/* * Compton - a compositor for X11 * * Based on `xcompmgr` - Copyright (c) 2003, Keith Packard * * Copyright (c) 2011-2013, Christopher Jeffrey * Copyright (c) 2014 Timothy Pearson <kb9vqf@pearsoncomputing.net> * See LICENSE for more information. * */ #include "compton.h" #include <ctype.h> // === Global constants === /// Name strings for window types. const char * const WINTYPES[NUM_WINTYPES] = { "unknown", "desktop", "dock", "toolbar", "menu", "utility", "splash", "dialog", "normal", "dropdown_menu", "popup_menu", "tooltip", "notify", "combo", "dnd", }; /// Names of VSync modes. const char * const VSYNC_STRS[NUM_VSYNC + 1] = { "none", // VSYNC_NONE "drm", // VSYNC_DRM "opengl", // VSYNC_OPENGL "opengl-oml", // VSYNC_OPENGL_OML "opengl-swc", // VSYNC_OPENGL_SWC "opengl-mswc", // VSYNC_OPENGL_MSWC NULL }; /// Names of backends. const char * const BACKEND_STRS[NUM_BKEND + 1] = { "xrender", // BKEND_XRENDER "glx", // BKEND_GLX "xr_glx_hybrid",// BKEND_XR_GLX_HYBRID NULL }; /// Function pointers to init VSync modes. static bool (* const (VSYNC_FUNCS_INIT[NUM_VSYNC]))(session_t *ps) = { [VSYNC_DRM ] = vsync_drm_init, [VSYNC_OPENGL ] = vsync_opengl_init, [VSYNC_OPENGL_OML ] = vsync_opengl_oml_init, [VSYNC_OPENGL_SWC ] = vsync_opengl_swc_init, [VSYNC_OPENGL_MSWC ] = vsync_opengl_mswc_init, }; /// Function pointers to wait for VSync. static int (* const (VSYNC_FUNCS_WAIT[NUM_VSYNC]))(session_t *ps) = { #ifdef CONFIG_VSYNC_DRM [VSYNC_DRM ] = vsync_drm_wait, #endif #ifdef CONFIG_VSYNC_OPENGL [VSYNC_OPENGL ] = vsync_opengl_wait, [VSYNC_OPENGL_OML ] = vsync_opengl_oml_wait, #endif }; /// Function pointers to deinitialize VSync. static void (* const (VSYNC_FUNCS_DEINIT[NUM_VSYNC]))(session_t *ps) = { #ifdef CONFIG_VSYNC_OPENGL [VSYNC_OPENGL_SWC ] = vsync_opengl_swc_deinit, [VSYNC_OPENGL_MSWC ] = vsync_opengl_mswc_deinit, #endif }; /// Names of root window properties that could point to a pixmap of /// background. const static char *background_props_str[] = { "_XROOTPMAP_ID", "_XSETROOT_ID", 0, }; // === Global variables === /// Pointer to current session, as a global variable. Only used by /// <code>error()</code> and <code>reset_enable()</code>, which could not /// have a pointer to current session passed in. session_t *ps_g = NULL; // === Execution control === struct sigaction usr_action; sigset_t block_mask; int my_exit_code = 3; void write_pid_file(pid_t pid) { #ifdef WRITE_PID_FILE const char *filename; const char *pidfile = "compton-tde.pid"; char uidstr[sizeof(uid_t)*8+1]; sprintf(uidstr, "%d", getuid()); int n = strlen(P_tmpdir)+strlen(uidstr)+strlen(pidfile)+3; filename = (char*)malloc(n*sizeof(char)+1); memset(filename,0,n); strcat(filename, P_tmpdir); strcat(filename, "/."); strcat(filename, uidstr); strcat(filename, "-"); strcat(filename, pidfile); /* now that we did all that by way of introduction...write the file! */ FILE *pFile; char buffer[255]; sprintf(buffer, "%d", pid); pFile = fopen(filename, "w"); if (pFile) { fwrite(buffer,1,strlen(buffer), pFile); fclose(pFile); } free(filename); filename = NULL; #endif } void delete_pid_file() { #ifdef WRITE_PID_FILE const char *filename; const char *pidfile = "compton-tde.pid"; char uidstr[sizeof(uid_t)*8+1]; sprintf(uidstr, "%d", getuid()); int n = strlen(P_tmpdir)+strlen(uidstr)+strlen(pidfile)+3; filename = (char*)malloc(n*sizeof(char)+1); memset(filename,0,n); strcat(filename, P_tmpdir); strcat(filename, "/."); strcat(filename, uidstr); strcat(filename, "-"); strcat(filename, pidfile); /* now that we did all that by way of introduction...delete the file! */ unlink(filename); free(filename); filename = NULL; #endif #if WORK_AROUND_FGLRX if ((my_exit_code == 3) && (restartOnSigterm)) { printf("compton-tde lost connection to X server, restarting...\n"); fflush(stdout); sleep(1); char me[2048]; int chars = readlink("/proc/self/exe", me, sizeof(me)); me[chars] = 0; me[2047] = 0; execl(me, basename(me), (char*)NULL); } #endif } void handle_siguser (int sig) { int uidnum; if (sig == SIGTERM) { my_exit_code=0; delete_pid_file(); exit(0); } if (sig == SIGUSR1) { char newuid[1024]; #ifndef NDEBUG printf("Enter the new user ID:\n"); fflush(stdout); #endif char *eof; newuid[0] = '\0'; newuid[sizeof(newuid)-1] = '\0'; eof = fgets(newuid, sizeof(newuid), stdin); uidnum = atoi(newuid); #ifndef NDEBUG printf("Setting compton-tde process uid to %d...\n", uidnum); fflush(stdout); #endif my_exit_code=4; delete_pid_file(); my_exit_code=3; setuid(uidnum); write_pid_file(getpid()); } else { uidnum = getuid(); } if ((sig == SIGUSR1) || (sig == SIGUSR2)) { get_cfg(ps_g, 0, 0, false); /* reload the configuration file */ /* set background/shadow picture using the new settings */ ps_g->cshadow_picture = solid_picture(ps_g, true, 1, ps_g->o.shadow_red, ps_g->o.shadow_green, ps_g->o.shadow_blue); /* regenerate shadows using the new settings */ init_alpha_picts(ps_g); init_filters(ps_g); } } // === Fading === /** * Get the time left before next fading point. * * In milliseconds. */ static int fade_timeout(session_t *ps) { int diff = ps->o.fade_delta - get_time_ms() + ps->fade_time; diff = normalize_i_range(diff, 0, ps->o.fade_delta * 2); return diff; } /** * Run fading on a window. * * @param steps steps of fading */ static void run_fade(session_t *ps, win *w, unsigned steps) { // If we have reached target opacity, return if (w->opacity == w->opacity_tgt) { return; } #ifdef DEBUG_FADE if (w->fade) { printf_dbgf("(%#010lx): run_fade opacity: %u target: %u\n", w->id, w->opacity, w->opacity_tgt); } #endif if (!w->fade) { w->opacity = w->opacity_tgt; } else if (steps) { // Use double below because opacity_t will probably overflow during // calculations if (w->opacity < w->opacity_tgt) w->opacity = normalize_d_range( (double) w->opacity + (double) ps->o.fade_in_step * steps, 0.0, w->opacity_tgt); else w->opacity = normalize_d_range( (double) w->opacity - (double) ps->o.fade_out_step * steps, w->opacity_tgt, OPAQUE); } if (w->opacity != w->opacity_tgt) { ps->idling = false; } } /** * Set fade callback of a window, and possibly execute the previous * callback. * * @param exec_callback whether the previous callback is to be executed */ static void set_fade_callback(session_t *ps, win *w, void (*callback) (session_t *ps, win *w), bool exec_callback) { void (*old_callback) (session_t *ps, win *w) = w->fade_callback; w->fade_callback = callback; // Must be the last line as the callback could destroy w! if (exec_callback && old_callback) { #ifdef DEBUG_FADE printf_dbgf("(%#010lx): exec callback\n", w->id); #endif old_callback(ps, w); // Although currently no callback function affects window state on // next paint, it could, in the future ps->idling = false; } } // === Shadows === static double __attribute__((const)) gaussian(double r, double x, double y) { return ((1 / (sqrt(2 * M_PI * r))) * exp((- (x * x + y * y)) / (2 * r * r))); } static conv * make_gaussian_map(double r) { conv *c; int size = ((int) ceil((r * 3)) + 1) & ~1; int center = size / 2; int x, y; double t; double g; c = malloc(sizeof(conv) + size * size * sizeof(double)); c->size = size; c->data = (double *) (c + 1); t = 0.0; for (y = 0; y < size; y++) { for (x = 0; x < size; x++) { g = gaussian(r, x - center, y - center); t += g; c->data[y * size + x] = g; } } for (y = 0; y < size; y++) { for (x = 0; x < size; x++) { c->data[y * size + x] /= t; } } return c; } /* * A picture will help * * -center 0 width width+center * -center +-----+-------------------+-----+ * | | | | * | | | | * 0 +-----+-------------------+-----+ * | | | | * | | | | * | | | | * height +-----+-------------------+-----+ * | | | | * height+ | | | | * center +-----+-------------------+-----+ */ static unsigned char sum_gaussian(conv *map, double opacity, int x, int y, int width, int height) { int fx, fy; double *g_data; double *g_line = map->data; int g_size = map->size; int center = g_size / 2; int fx_start, fx_end; int fy_start, fy_end; double v; /* * Compute set of filter values which are "in range", * that's the set with: * 0 <= x + (fx-center) && x + (fx-center) < width && * 0 <= y + (fy-center) && y + (fy-center) < height * * 0 <= x + (fx - center) x + fx - center < width * center - x <= fx fx < width + center - x */ fx_start = center - x; if (fx_start < 0) fx_start = 0; fx_end = width + center - x; if (fx_end > g_size) fx_end = g_size; fy_start = center - y; if (fy_start < 0) fy_start = 0; fy_end = height + center - y; if (fy_end > g_size) fy_end = g_size; g_line = g_line + fy_start * g_size + fx_start; v = 0; for (fy = fy_start; fy < fy_end; fy++) { g_data = g_line; g_line += g_size; for (fx = fx_start; fx < fx_end; fx++) { v += *g_data++; } } if (v > 1) v = 1; return ((unsigned char) (v * opacity * 255.0)); } /* precompute shadow corners and sides to save time for large windows */ static void presum_gaussian(session_t *ps, conv *map) { int center = map->size / 2; int opacity, x, y; ps->cgsize = map->size; if (ps->shadow_corner) free(ps->shadow_corner); if (ps->shadow_top) free(ps->shadow_top); ps->shadow_corner = malloc((ps->cgsize + 1) * (ps->cgsize + 1) * 26); ps->shadow_top = malloc((ps->cgsize + 1) * 26); for (x = 0; x <= ps->cgsize; x++) { ps->shadow_top[25 * (ps->cgsize + 1) + x] = sum_gaussian(map, 1, x - center, center, ps->cgsize * 2, ps->cgsize * 2); for (opacity = 0; opacity < 25; opacity++) { ps->shadow_top[opacity * (ps->cgsize + 1) + x] = ps->shadow_top[25 * (ps->cgsize + 1) + x] * opacity / 25; } for (y = 0; y <= x; y++) { ps->shadow_corner[25 * (ps->cgsize + 1) * (ps->cgsize + 1) + y * (ps->cgsize + 1) + x] = sum_gaussian(map, 1, x - center, y - center, ps->cgsize * 2, ps->cgsize * 2); ps->shadow_corner[25 * (ps->cgsize + 1) * (ps->cgsize + 1) + x * (ps->cgsize + 1) + y] = ps->shadow_corner[25 * (ps->cgsize + 1) * (ps->cgsize + 1) + y * (ps->cgsize + 1) + x]; for (opacity = 0; opacity < 25; opacity++) { ps->shadow_corner[opacity * (ps->cgsize + 1) * (ps->cgsize + 1) + y * (ps->cgsize + 1) + x] = ps->shadow_corner[opacity * (ps->cgsize + 1) * (ps->cgsize + 1) + x * (ps->cgsize + 1) + y] = ps->shadow_corner[25 * (ps->cgsize + 1) * (ps->cgsize + 1) + y * (ps->cgsize + 1) + x] * opacity / 25; } } } } static XImage * make_shadow(session_t *ps, double opacity, int width, int height) { XImage *ximage; unsigned char *data; int ylimit, xlimit; int swidth = width + ps->cgsize; int sheight = height + ps->cgsize; int center = ps->cgsize / 2; int x, y; unsigned char d; int x_diff; int opacity_int = (int)(opacity * 25); data = malloc(swidth * sheight * sizeof(unsigned char)); if (!data) return 0; ximage = XCreateImage(ps->dpy, ps->vis, 8, ZPixmap, 0, (char *) data, swidth, sheight, 8, swidth * sizeof(char)); if (!ximage) { free(data); return 0; } /* * Build the gaussian in sections */ /* * center (fill the complete data array) */ // If clear_shadow is enabled and the border & corner shadow (which // later will be filled) could entirely cover the area of the shadow // that will be displayed, do not bother filling other pixels. If it // can't, we must fill the other pixels here. /* if (!(clear_shadow && ps->o.shadow_offset_x <= 0 && ps->o.shadow_offset_x >= -ps->cgsize && ps->o.shadow_offset_y <= 0 && ps->o.shadow_offset_y >= -ps->cgsize)) { */ if (ps->cgsize > 0) { d = ps->shadow_top[opacity_int * (ps->cgsize + 1) + ps->cgsize]; } else { d = sum_gaussian(ps->gaussian_map, opacity, center, center, width, height); } memset(data, d, sheight * swidth); // } /* * corners */ ylimit = ps->cgsize; if (ylimit > sheight / 2) ylimit = (sheight + 1) / 2; xlimit = ps->cgsize; if (xlimit > swidth / 2) xlimit = (swidth + 1) / 2; for (y = 0; y < ylimit; y++) { for (x = 0; x < xlimit; x++) { if (xlimit == ps->cgsize && ylimit == ps->cgsize) { d = ps->shadow_corner[opacity_int * (ps->cgsize + 1) * (ps->cgsize + 1) + y * (ps->cgsize + 1) + x]; } else { d = sum_gaussian(ps->gaussian_map, opacity, x - center, y - center, width, height); } data[y * swidth + x] = d; data[(sheight - y - 1) * swidth + x] = d; data[(sheight - y - 1) * swidth + (swidth - x - 1)] = d; data[y * swidth + (swidth - x - 1)] = d; } } /* * top/bottom */ x_diff = swidth - (ps->cgsize * 2); if (x_diff > 0 && ylimit > 0) { for (y = 0; y < ylimit; y++) { if (ylimit == ps->cgsize) { d = ps->shadow_top[opacity_int * (ps->cgsize + 1) + y]; } else { d = sum_gaussian(ps->gaussian_map, opacity, center, y - center, width, height); } memset(&data[y * swidth + ps->cgsize], d, x_diff); memset(&data[(sheight - y - 1) * swidth + ps->cgsize], d, x_diff); } } /* * sides */ for (x = 0; x < xlimit; x++) { if (xlimit == ps->cgsize) { d = ps->shadow_top[opacity_int * (ps->cgsize + 1) + x]; } else { d = sum_gaussian(ps->gaussian_map, opacity, x - center, center, width, height); } for (y = ps->cgsize; y < sheight - ps->cgsize; y++) { data[y * swidth + x] = d; data[y * swidth + (swidth - x - 1)] = d; } } /* if (clear_shadow) { // Clear the region in the shadow that the window would cover based // on shadow_offset_{x,y} user provides int xstart = normalize_i_range(- (int) ps->o.shadow_offset_x, 0, swidth); int xrange = normalize_i_range(width - (int) ps->o.shadow_offset_x, 0, swidth) - xstart; int ystart = normalize_i_range(- (int) ps->o.shadow_offset_y, 0, sheight); int yend = normalize_i_range(height - (int) ps->o.shadow_offset_y, 0, sheight); int y; for (y = ystart; y < yend; y++) { memset(&data[y * swidth + xstart], 0, xrange); } } */ return ximage; } /** * Generate shadow <code>Picture</code> for a window. */ static bool win_build_shadow(session_t *ps, win *w, double opacity) { const int width = w->widthb; const int height = w->heightb; XImage *shadow_image = NULL; Pixmap shadow_pixmap = None, shadow_pixmap_argb = None; Picture shadow_picture = None, shadow_picture_argb = None; GC gc = None; shadow_image = make_shadow(ps, opacity, width, height); if (!shadow_image) return None; shadow_pixmap = XCreatePixmap(ps->dpy, ps->root, shadow_image->width, shadow_image->height, 8); shadow_pixmap_argb = XCreatePixmap(ps->dpy, ps->root, shadow_image->width, shadow_image->height, 32); if (!shadow_pixmap || !shadow_pixmap_argb) goto shadow_picture_err; shadow_picture = XRenderCreatePicture(ps->dpy, shadow_pixmap, XRenderFindStandardFormat(ps->dpy, PictStandardA8), 0, 0); shadow_picture_argb = XRenderCreatePicture(ps->dpy, shadow_pixmap_argb, XRenderFindStandardFormat(ps->dpy, PictStandardARGB32), 0, 0); if (!shadow_picture || !shadow_picture_argb) goto shadow_picture_err; gc = XCreateGC(ps->dpy, shadow_pixmap, 0, 0); if (!gc) goto shadow_picture_err; XPutImage(ps->dpy, shadow_pixmap, gc, shadow_image, 0, 0, 0, 0, shadow_image->width, shadow_image->height); XRenderComposite(ps->dpy, PictOpSrc, ps->cshadow_picture, shadow_picture, shadow_picture_argb, 0, 0, 0, 0, 0, 0, shadow_image->width, shadow_image->height); assert(!w->shadow_paint.pixmap); w->shadow_paint.pixmap = shadow_pixmap_argb; assert(!w->shadow_paint.pict); w->shadow_paint.pict = shadow_picture_argb; // Sync it once and only once xr_sync(ps, w->shadow_paint.pixmap, NULL); XFreeGC(ps->dpy, gc); XDestroyImage(shadow_image); XFreePixmap(ps->dpy, shadow_pixmap); XRenderFreePicture(ps->dpy, shadow_picture); return true; shadow_picture_err: if (shadow_image) XDestroyImage(shadow_image); if (shadow_pixmap) XFreePixmap(ps->dpy, shadow_pixmap); if (shadow_pixmap_argb) XFreePixmap(ps->dpy, shadow_pixmap_argb); if (shadow_picture) XRenderFreePicture(ps->dpy, shadow_picture); if (shadow_picture_argb) XRenderFreePicture(ps->dpy, shadow_picture_argb); if (gc) XFreeGC(ps->dpy, gc); return false; } /** * Generate a 1x1 <code>Picture</code> of a particular color. */ static Picture solid_picture(session_t *ps, bool argb, double a, double r, double g, double b) { Pixmap pixmap; Picture picture; XRenderPictureAttributes pa; XRenderColor c; pixmap = XCreatePixmap(ps->dpy, ps->root, 1, 1, argb ? 32 : 8); if (!pixmap) return None; pa.repeat = True; picture = XRenderCreatePicture(ps->dpy, pixmap, XRenderFindStandardFormat(ps->dpy, argb ? PictStandardARGB32 : PictStandardA8), CPRepeat, &pa); if (!picture) { XFreePixmap(ps->dpy, pixmap); return None; } c.alpha = a * 0xffff; c.red = r * 0xffff; c.green = g * 0xffff; c.blue = b * 0xffff; XRenderFillRectangle(ps->dpy, PictOpSrc, picture, &c, 0, 0, 1, 1); XFreePixmap(ps->dpy, pixmap); return picture; } // === Error handling === static void discard_ignore(session_t *ps, unsigned long sequence) { while (ps->ignore_head) { if ((long) (sequence - ps->ignore_head->sequence) > 0) { ignore_t *next = ps->ignore_head->next; free(ps->ignore_head); ps->ignore_head = next; if (!ps->ignore_head) { ps->ignore_tail = &ps->ignore_head; } } else { break; } } } static void set_ignore(session_t *ps, unsigned long sequence) { if (ps->o.show_all_xerrors) return; ignore_t *i = malloc(sizeof(ignore_t)); if (!i) return; i->sequence = sequence; i->next = 0; *ps->ignore_tail = i; ps->ignore_tail = &i->next; } static int should_ignore(session_t *ps, unsigned long sequence) { discard_ignore(ps, sequence); return ps->ignore_head && ps->ignore_head->sequence == sequence; } // === Windows === /** * Get a specific attribute of a window. * * Returns a blank structure if the returned type and format does not * match the requested type and format. * * @param ps current session * @param w window * @param atom atom of attribute to fetch * @param length length to read * @param rtype atom of the requested type * @param rformat requested format * @return a <code>winprop_t</code> structure containing the attribute * and number of items. A blank one on failure. */ winprop_t wid_get_prop_adv(const session_t *ps, Window w, Atom atom, long offset, long length, Atom rtype, int rformat) { Atom type = None; int format = 0; unsigned long nitems = 0, after = 0; unsigned char *data = NULL; if (Success == XGetWindowProperty(ps->dpy, w, atom, offset, length, False, rtype, &type, &format, &nitems, &after, &data) && nitems && (AnyPropertyType == type || type == rtype) && (!rformat || format == rformat) && (8 == format || 16 == format || 32 == format)) { return (winprop_t) { .data.p8 = data, .nitems = nitems, .type = type, .format = format, }; } cxfree(data); return (winprop_t) { .data.p8 = NULL, .nitems = 0, .type = AnyPropertyType, .format = 0 }; } /** * Check if a window has rounded corners. */ static void win_rounded_corners(session_t *ps, win *w) { w->rounded_corners = false; if (!w->bounding_shaped) return; // Fetch its bounding region if (!w->border_size) w->border_size = border_size(ps, w, true); // Quit if border_size() returns None if (!w->border_size) return; // Determine the minimum width/height of a rectangle that could mark // a window as having rounded corners unsigned short minwidth = max_i(w->widthb * (1 - ROUNDED_PERCENT), w->widthb - ROUNDED_PIXELS); unsigned short minheight = max_i(w->heightb * (1 - ROUNDED_PERCENT), w->heightb - ROUNDED_PIXELS); // Get the rectangles in the bounding region int nrects = 0, i; XRectangle *rects = XFixesFetchRegion(ps->dpy, w->border_size, &nrects); if (!rects) return; // Look for a rectangle large enough for this window be considered // having rounded corners for (i = 0; i < nrects; ++i) if (rects[i].width >= minwidth && rects[i].height >= minheight) { w->rounded_corners = true; break; } cxfree(rects); } /** * Add a pattern to a condition linked list. */ static bool condlst_add(session_t *ps, c2_lptr_t **pcondlst, const char *pattern) { if (!pattern) return false; #ifdef CONFIG_C2 if (!c2_parse(ps, pcondlst, pattern)) exit(1); #else printf_errfq(1, "(): Condition support not compiled in."); #endif return true; } /** * Determine the event mask for a window. */ static long determine_evmask(session_t *ps, Window wid, win_evmode_t mode) { long evmask = NoEventMask; win *w = NULL; // Check if it's a mapped frame window if (WIN_EVMODE_FRAME == mode || ((w = find_win(ps, wid)) && IsViewable == w->a.map_state)) { evmask |= PropertyChangeMask; if (ps->o.track_focus && !ps->o.use_ewmh_active_win) evmask |= FocusChangeMask; } // Check if it's a mapped client window if (WIN_EVMODE_CLIENT == mode || ((w = find_toplevel(ps, wid)) && IsViewable == w->a.map_state)) { if (ps->o.frame_opacity || ps->o.track_wdata || ps->track_atom_lst || ps->o.detect_client_opacity) evmask |= PropertyChangeMask; } return evmask; } /** * Find out the WM frame of a client window by querying X. * * @param ps current session * @param wid window ID * @return struct _win object of the found window, NULL if not found */ static win * find_toplevel2(session_t *ps, Window wid) { win *w = NULL; // We traverse through its ancestors to find out the frame while (wid && wid != ps->root && !(w = find_win(ps, wid))) { Window troot; Window parent; Window *tchildren; unsigned tnchildren; // XQueryTree probably fails if you run compton when X is somehow // initializing (like add it in .xinitrc). In this case // just leave it alone. if (!XQueryTree(ps->dpy, wid, &troot, &parent, &tchildren, &tnchildren)) { parent = 0; break; } cxfree(tchildren); wid = parent; } return w; } /** * Recheck currently focused window and set its <code>w->focused</code> * to true. * * @param ps current session * @return struct _win of currently focused window, NULL if not found */ static win * recheck_focus(session_t *ps) { // Use EWMH _NET_ACTIVE_WINDOW if enabled if (ps->o.use_ewmh_active_win) { update_ewmh_active_win(ps); return ps->active_win; } // Determine the currently focused window so we can apply appropriate // opacity on it Window wid = 0; int revert_to; XGetInputFocus(ps->dpy, &wid, &revert_to); win *w = find_win_all(ps, wid); #ifdef DEBUG_EVENTS print_timestamp(ps); printf_dbgf("(): %#010lx (%#010lx \"%s\") focused.\n", wid, (w ? w->id: None), (w ? w->name: NULL)); #endif // And we set the focus state here if (w) { win_set_focused(ps, w, true); return w; } return NULL; } static Bool determine_window_transparent_to_black(const session_t *ps, Window w); static Bool determine_window_transparent_to_desktop(const session_t *ps, Window w); static bool get_root_tile(session_t *ps) { /* if (ps->o.paint_on_overlay) { return ps->root_picture; } */ assert(!ps->root_tile_paint.pixmap); ps->root_tile_fill = false; bool fill = false; Pixmap pixmap = None; // Get the values of background attributes for (int p = 0; background_props_str[p]; p++) { winprop_t prop = wid_get_prop(ps, ps->root, get_atom(ps, background_props_str[p]), 1L, XA_PIXMAP, 32); if (prop.nitems) { pixmap = *prop.data.p32; fill = false; free_winprop(&prop); break; } free_winprop(&prop); } // Make sure the pixmap we got is valid if (pixmap && !validate_pixmap(ps, pixmap)) pixmap = None; // Create a pixmap if there isn't any if (!pixmap) { pixmap = XCreatePixmap(ps->dpy, ps->root, 1, 1, ps->depth); fill = true; } // Create Picture { XRenderPictureAttributes pa = { .repeat = True, }; ps->root_tile_paint.pict = XRenderCreatePicture( ps->dpy, pixmap, XRenderFindVisualFormat(ps->dpy, ps->vis), CPRepeat, &pa); } // Fill pixmap if needed if (fill) { XRenderColor c; c.red = c.green = c.blue = 0x8080; c.alpha = 0xffff; XRenderFillRectangle(ps->dpy, PictOpSrc, ps->root_tile_paint.pict, &c, 0, 0, 1, 1); } ps->root_tile_fill = fill; ps->root_tile_paint.pixmap = pixmap; #ifdef CONFIG_VSYNC_OPENGL if (BKEND_GLX == ps->o.backend) return glx_bind_pixmap(ps, &ps->root_tile_paint.ptex, ps->root_tile_paint.pixmap, 0, 0, 0); #endif return true; } /** * Paint root window content. */ static void paint_root(session_t *ps, XserverRegion reg_paint) { if (!ps->root_tile_paint.pixmap) get_root_tile(ps); win_render(ps, NULL, 0, 0, ps->root_width, ps->root_height, 1.0, reg_paint, NULL, ps->root_tile_paint.pict); } /** * Get a rectangular region a window occupies, excluding shadow. */ static XserverRegion win_get_region(session_t *ps, win *w, bool use_offset) { XRectangle r; r.x = (use_offset ? w->a.x: 0); r.y = (use_offset ? w->a.y: 0); r.width = w->widthb; r.height = w->heightb; return XFixesCreateRegion(ps->dpy, &r, 1); } /** * Get a rectangular region a window occupies, excluding frame and shadow. */ static XserverRegion win_get_region_noframe(session_t *ps, win *w, bool use_offset) { XRectangle r; r.x = (use_offset ? w->a.x: 0) + w->a.border_width + w->left_width; r.y = (use_offset ? w->a.y: 0) + w->a.border_width + w->top_width; r.width = max_i(w->a.width - w->left_width - w->right_width, 0); r.height = max_i(w->a.height - w->top_width - w->bottom_width, 0); if (r.width > 0 && r.height > 0) return XFixesCreateRegion(ps->dpy, &r, 1); else return XFixesCreateRegion(ps->dpy, NULL, 0); } /** * Get a rectangular region a window (and possibly its shadow) occupies. * * Note w->shadow and shadow geometry must be correct before calling this * function. */ static XserverRegion win_extents(session_t *ps, win *w) { XRectangle r; r.x = w->a.x; r.y = w->a.y; r.width = w->widthb; r.height = w->heightb; if (w->shadow) { XRectangle sr; sr.x = w->a.x + w->shadow_dx; sr.y = w->a.y + w->shadow_dy; sr.width = w->shadow_width; sr.height = w->shadow_height; if (sr.x < r.x) { r.width = (r.x + r.width) - sr.x; r.x = sr.x; } if (sr.y < r.y) { r.height = (r.y + r.height) - sr.y; r.y = sr.y; } if (sr.x + sr.width > r.x + r.width) { r.width = sr.x + sr.width - r.x; } if (sr.y + sr.height > r.y + r.height) { r.height = sr.y + sr.height - r.y; } } return XFixesCreateRegion(ps->dpy, &r, 1); } /** * Retrieve the bounding shape of a window. */ static XserverRegion border_size(session_t *ps, win *w, bool use_offset) { // Start with the window rectangular region XserverRegion fin = win_get_region(ps, w, use_offset); // Only request for a bounding region if the window is shaped if (w->bounding_shaped) { /* * if window doesn't exist anymore, this will generate an error * as well as not generate a region. Perhaps a better XFixes * architecture would be to have a request that copies instead * of creates, that way you'd just end up with an empty region * instead of an invalid XID. */ XserverRegion border = XFixesCreateRegionFromWindow( ps->dpy, w->id, WindowRegionBounding); if (!border) return fin; if (use_offset) { // Translate the region to the correct place XFixesTranslateRegion(ps->dpy, border, w->a.x + w->a.border_width, w->a.y + w->a.border_width); } // Intersect the bounding region we got with the window rectangle, to // make sure the bounding region is not bigger than the window // rectangle XFixesIntersectRegion(ps->dpy, fin, fin, border); XFixesDestroyRegion(ps->dpy, border); } return fin; } /** * Look for the client window of a particular window. */ static Window find_client_win(session_t *ps, Window w) { if (wid_has_prop(ps, w, ps->atom_client)) { return w; } Window *children; unsigned int nchildren; unsigned int i; Window ret = 0; if (!wid_get_children(ps, w, &children, &nchildren)) { return 0; } for (i = 0; i < nchildren; ++i) { if ((ret = find_client_win(ps, children[i]))) break; } cxfree(children); return ret; } /** * Retrieve frame extents from a window. */ static void get_frame_extents(session_t *ps, win *w, Window client) { w->left_width = 0; w->right_width = 0; w->top_width = 0; w->bottom_width = 0; winprop_t prop = wid_get_prop(ps, client, ps->atom_frame_extents, 4L, XA_CARDINAL, 32); if (4 == prop.nitems) { const long * const extents = prop.data.p32; w->left_width = extents[0]; w->right_width = extents[1]; w->top_width = extents[2]; w->bottom_width = extents[3]; if (ps->o.frame_opacity) update_reg_ignore_expire(ps, w); } #ifdef DEBUG_FRAME printf_dbgf("(%#010lx): %d, %d, %d, %d\n", w->id, w->left_width, w->right_width, w->top_width, w->bottom_width); #endif free_winprop(&prop); } /** * Get alpha <code>Picture</code> for an opacity in <code>double</code>. */ static inline Picture get_alpha_pict_d(session_t *ps, double o) { assert((round(normalize_d(o) / ps->o.alpha_step)) <= round(1.0 / ps->o.alpha_step)); return ps->alpha_picts[(int) (round(normalize_d(o) / ps->o.alpha_step))]; } /** * Get alpha <code>Picture</code> for an opacity in * <code>opacity_t</code>. */ static inline Picture get_alpha_pict_o(session_t *ps, opacity_t o) { return get_alpha_pict_d(ps, (double) o / OPAQUE); } static win * paint_preprocess(session_t *ps, win *list) { win *t = NULL, *next = NULL; // Fading step calculation time_ms_t steps = 0L; if (ps->fade_time) { steps = ((get_time_ms() - ps->fade_time) + FADE_DELTA_TOLERANCE * ps->o.fade_delta) / ps->o.fade_delta; } // Reset fade_time if unset, or there appears to be a time disorder if (!ps->fade_time || steps < 0L) { ps->fade_time = get_time_ms(); steps = 0L; } ps->fade_time += steps * ps->o.fade_delta; XserverRegion last_reg_ignore = None; bool unredir_possible = false; // Trace whether it's the highest window to paint bool is_highest = true; for (win *w = list; w; w = next) { bool to_paint = true; const winmode_t mode_old = w->mode; // In case calling the fade callback function destroys this window next = w->next; opacity_t opacity_old = w->opacity; // Data expiration { // Remove built shadow if needed if (w->flags & WFLAG_SIZE_CHANGE) free_paint(ps, &w->shadow_paint); // Destroy reg_ignore on all windows if they should expire if (ps->reg_ignore_expire) free_region(ps, &w->reg_ignore); } // Restore flags from last paint if the window is being faded out if (IsUnmapped == w->a.map_state) { win_set_shadow(ps, w, w->shadow_last); w->fade = w->fade_last; win_set_invert_color(ps, w, w->invert_color_last); win_set_blur_background(ps, w, w->blur_background_last); win_set_greyscale_background(ps, w, w->greyscale_background_last); } // Update window opacity target and dim state if asked if (WFLAG_OPCT_CHANGE & w->flags) { calc_opacity(ps, w); calc_dim(ps, w); } // Run fading run_fade(ps, w, steps); // Opacity will not change, from now on. // Give up if it's not damaged or invisible, or it's unmapped and its // pixmap is gone (for example due to a ConfigureNotify), or when it's // excluded if (!w->damaged || w->a.x + w->a.width < 1 || w->a.y + w->a.height < 1 || w->a.x >= ps->root_width || w->a.y >= ps->root_height || ((IsUnmapped == w->a.map_state || w->destroyed) && !w->paint.pixmap) || get_alpha_pict_o(ps, w->opacity) == ps->alpha_picts[0] || w->paint_excluded) to_paint = false; // to_paint will never change afterward // Determine mode as early as possible if (to_paint && (!w->to_paint || w->opacity != opacity_old)) win_determine_mode(ps, w); if (to_paint) { // Fetch bounding region if (!w->border_size) w->border_size = border_size(ps, w, true); // Fetch window extents if (!w->extents) w->extents = win_extents(ps, w); // Calculate frame_opacity { double frame_opacity_old = w->frame_opacity; if (ps->o.frame_opacity && 1.0 != ps->o.frame_opacity && win_has_frame(w)) w->frame_opacity = get_opacity_percent(w) * ps->o.frame_opacity; else w->frame_opacity = 0.0; // Destroy all reg_ignore above when frame opaque state changes on // SOLID mode if (w->to_paint && WMODE_SOLID == mode_old && (0.0 == frame_opacity_old) != (0.0 == w->frame_opacity)) ps->reg_ignore_expire = true; } // Calculate shadow opacity if (w->frame_opacity) w->shadow_opacity = ps->o.shadow_opacity * w->frame_opacity; else w->shadow_opacity = ps->o.shadow_opacity * get_opacity_percent(w); } // Add window to damaged area if its painting status changes // or opacity changes if (to_paint != w->to_paint || w->opacity != opacity_old) add_damage_win(ps, w); // Destroy all reg_ignore above when window mode changes if ((to_paint && WMODE_SOLID == w->mode) != (w->to_paint && WMODE_SOLID == mode_old)) ps->reg_ignore_expire = true; if (to_paint) { // Generate ignore region for painting to reduce GPU load if (ps->reg_ignore_expire || !w->to_paint) { free_region(ps, &w->reg_ignore); // If the window is solid, we add the window region to the // ignored region if (win_is_solid(ps, w)) { if (!w->frame_opacity) { if (w->border_size) w->reg_ignore = copy_region(ps, w->border_size); else w->reg_ignore = win_get_region(ps, w, true); } else { w->reg_ignore = win_get_region_noframe(ps, w, true); if (w->border_size) XFixesIntersectRegion(ps->dpy, w->reg_ignore, w->reg_ignore, w->border_size); } if (last_reg_ignore) XFixesUnionRegion(ps->dpy, w->reg_ignore, w->reg_ignore, last_reg_ignore); } // Otherwise we copy the last region over else if (last_reg_ignore) w->reg_ignore = copy_region(ps, last_reg_ignore); else w->reg_ignore = None; } last_reg_ignore = w->reg_ignore; // (Un)redirect screen // We could definitely unredirect the screen when there's no window to // paint, but this is typically unnecessary, may cause flickering when // fading is enabled, and could create inconsistency when the wallpaper // is not correctly set. if (ps->o.unredir_if_possible && is_highest && to_paint) { is_highest = false; if (win_is_solid(ps, w) && (!w->frame_opacity || !win_has_frame(w)) && win_is_fullscreen(ps, w) && !w->unredir_if_possible_excluded) unredir_possible = true; } // Reset flags w->flags = 0; } // Avoid setting w->to_paint if w is to be freed bool destroyed = (w->opacity_tgt == w->opacity && w->destroyed); if (to_paint) { w->prev_trans = t; t = w; } else { assert(w->destroyed == (w->fade_callback == destroy_callback)); check_fade_fin(ps, w); } if (!destroyed) { w->to_paint = to_paint; if (w->to_paint) { // Save flags w->shadow_last = w->shadow; w->fade_last = w->fade; w->invert_color_last = w->invert_color; w->blur_background_last = w->blur_background; w->greyscale_background_last = w->greyscale_background; } } } // If possible, unredirect all windows and stop painting if (UNSET != ps->o.redirected_force) unredir_possible = !ps->o.redirected_force; // If there's no window to paint, and the screen isn't redirected, // don't redirect it. if (ps->o.unredir_if_possible && is_highest && !ps->redirected) unredir_possible = true; if (unredir_possible) { if (ps->redirected) { if (!ps->o.unredir_if_possible_delay || ps->tmout_unredir_hit) redir_stop(ps); else if (!ps->tmout_unredir->enabled) { timeout_reset(ps, ps->tmout_unredir); ps->tmout_unredir->enabled = true; } } } else { ps->tmout_unredir->enabled = false; redir_start(ps); } return t; } /** * Paint the shadow of a window. */ static inline void win_paint_shadow(session_t *ps, win *w, XserverRegion reg_paint, const reg_data_t *pcache_reg) { // Bind shadow pixmap to GLX texture if needed paint_bind_tex(ps, &w->shadow_paint, 0, 0, 32, false); if (!paint_isvalid(ps, &w->shadow_paint)) { printf_errf("(%#010lx): Missing painting data. This is a bad sign.", w->id); return; } render(ps, 0, 0, w->a.x + w->shadow_dx, w->a.y + w->shadow_dy, w->shadow_width, w->shadow_height, w->shadow_opacity, true, false, w->shadow_paint.pict, w->shadow_paint.ptex, reg_paint, pcache_reg, NULL); } /** * Create an picture. */ static inline Picture xr_build_picture(session_t *ps, int wid, int hei, XRenderPictFormat *pictfmt) { if (!pictfmt) pictfmt = XRenderFindVisualFormat(ps->dpy, ps->vis); int depth = pictfmt->depth; Pixmap tmp_pixmap = XCreatePixmap(ps->dpy, ps->root, wid, hei, depth); if (!tmp_pixmap) return None; Picture tmp_picture = XRenderCreatePicture(ps->dpy, tmp_pixmap, pictfmt, 0, 0); free_pixmap(ps, &tmp_pixmap); return tmp_picture; } /** * @brief Blur an area on a buffer. * * @param ps current session * @param tgt_buffer a buffer as both source and destination * @param x x pos * @param y y pos * @param wid width * @param hei height * @param blur_kerns blur kernels, ending with a NULL, guaranteed to have at * least one kernel * @param reg_clip a clipping region to be applied on intermediate buffers * * @return true if successful, false otherwise */ static bool xr_blur_dst(session_t *ps, Picture tgt_buffer, int x, int y, int wid, int hei, XFixed **blur_kerns, XserverRegion reg_clip) { assert(blur_kerns[0]); // Directly copying from tgt_buffer to it does not work, so we create a // Picture in the middle. Picture tmp_picture = xr_build_picture(ps, wid, hei, NULL); if (!tmp_picture) { printf_errf("(): Failed to build intermediate Picture."); return false; } if (reg_clip && tmp_picture) XFixesSetPictureClipRegion(ps->dpy, tmp_picture, reg_clip, 0, 0); Picture src_pict = tgt_buffer, dst_pict = tmp_picture; for (int i = 0; blur_kerns[i]; ++i) { assert(i < MAX_BLUR_PASS - 1); XFixed *convolution_blur = blur_kerns[i]; int kwid = XFixedToDouble(convolution_blur[0]), khei = XFixedToDouble(convolution_blur[1]); bool rd_from_tgt = (tgt_buffer == src_pict); // Copy from source picture to destination. The filter must // be applied on source picture, to get the nearby pixels outside the // window. XRenderSetPictureFilter(ps->dpy, src_pict, XRFILTER_CONVOLUTION, convolution_blur, kwid * khei + 2); XRenderComposite(ps->dpy, PictOpSrc, src_pict, None, dst_pict, (rd_from_tgt ? x: 0), (rd_from_tgt ? y: 0), 0, 0, (rd_from_tgt ? 0: x), (rd_from_tgt ? 0: y), wid, hei); xrfilter_reset(ps, src_pict); { XserverRegion tmp = src_pict; src_pict = dst_pict; dst_pict = tmp; } } if (src_pict != tgt_buffer) XRenderComposite(ps->dpy, PictOpSrc, src_pict, None, tgt_buffer, 0, 0, 0, 0, x, y, wid, hei); free_picture(ps, &tmp_picture); return true; } /** * @brief Make an area on a buffer greyscale. * * @param ps current session * @param tgt_buffer a buffer as both source and destination * @param x x pos * @param y y pos * @param wid width * @param hei height * @param reg_clip a clipping region to be applied on intermediate buffers * * @return true if successful, false otherwise */ static bool xr_greyscale_dst(session_t *ps, Picture tgt_buffer, int x, int y, int wid, int hei, XserverRegion reg_clip) { // Directly copying from tgt_buffer to it does not work, so we create a // Picture in the middle. Picture tmp_picture = xr_build_picture(ps, wid, hei, NULL); if (!tmp_picture) { printf_errf("(): Failed to build intermediate Picture."); return false; } if (reg_clip && tmp_picture) XFixesSetPictureClipRegion(ps->dpy, tmp_picture, reg_clip, 0, 0); Picture src_pict = tgt_buffer, dst_pict = tmp_picture; XRenderComposite(ps->dpy, PictOpHSLLuminosity, src_pict, None, dst_pict, x, y, 0, 0, 0, 0, wid, hei); XserverRegion tmp = src_pict; src_pict = dst_pict; dst_pict = tmp; if (src_pict != tgt_buffer) XRenderComposite(ps->dpy, PictOpSrc, src_pict, None, tgt_buffer, 0, 0, 0, 0, x, y, wid, hei); free_picture(ps, &tmp_picture); return true; } /* * WORK-IN-PROGRESS! static void xr_take_screenshot(session_t *ps) { XImage *img = XGetImage(ps->dpy, get_tgt_window(ps), 0, 0, ps->root_width, ps->root_height, AllPlanes, XYPixmap); if (!img) { printf_errf("(): Failed to get XImage."); return NULL; } assert(0 == img->xoffset); } */ /** * Blur the background of a window. */ static inline void win_blur_background(session_t *ps, win *w, Picture tgt_buffer, XserverRegion reg_paint, const reg_data_t *pcache_reg) { const int x = w->a.x; const int y = w->a.y; const int wid = w->widthb; const int hei = w->heightb; double factor_center = 1.0; // Adjust blur strength according to window opacity, to make it appear // better during fading if (!ps->o.blur_background_fixed) { double pct = 1.0 - get_opacity_percent(w) * (1.0 - 1.0 / 9.0); factor_center = pct * 8.0 / (1.1 - pct); } switch (ps->o.backend) { case BKEND_XRENDER: case BKEND_XR_GLX_HYBRID: { // Normalize blur kernels for (int i = 0; i < MAX_BLUR_PASS; ++i) { XFixed *kern_src = ps->o.blur_kerns[i]; XFixed *kern_dst = ps->blur_kerns_cache[i]; assert(i < MAX_BLUR_PASS); if (!kern_src) { assert(!kern_dst); break; } assert(!kern_dst || (kern_src[0] == kern_dst[0] && kern_src[1] == kern_dst[1])); // Skip for fixed factor_center if the cache exists already if (ps->o.blur_background_fixed && kern_dst) continue; int kwid = XFixedToDouble(kern_src[0]), khei = XFixedToDouble(kern_src[1]); // Allocate cache space if needed if (!kern_dst) { kern_dst = malloc((kwid * khei + 2) * sizeof(XFixed)); if (!kern_dst) { printf_errf("(): Failed to allocate memory for blur kernel."); return; } ps->blur_kerns_cache[i] = kern_dst; } // Modify the factor of the center pixel kern_src[2 + (khei / 2) * kwid + kwid / 2] = XDoubleToFixed(factor_center); // Copy over memcpy(kern_dst, kern_src, (kwid * khei + 2) * sizeof(XFixed)); normalize_conv_kern(kwid, khei, kern_dst + 2); } // Minimize the region we try to blur, if the window itself is not // opaque, only the frame is. XserverRegion reg_noframe = None; if (win_is_solid(ps, w)) { XserverRegion reg_all = border_size(ps, w, false); reg_noframe = win_get_region_noframe(ps, w, false); XFixesSubtractRegion(ps->dpy, reg_noframe, reg_all, reg_noframe); free_region(ps, ®_all); } xr_blur_dst(ps, tgt_buffer, x, y, wid, hei, ps->blur_kerns_cache, reg_noframe); free_region(ps, ®_noframe); } break; #ifdef CONFIG_VSYNC_OPENGL_GLSL case BKEND_GLX: // TODO: Handle frame opacity glx_blur_dst(ps, x, y, wid, hei, ps->psglx->z - 0.5, factor_center, reg_paint, pcache_reg, &w->glx_blur_cache); break; #endif default: assert(0); } } /** * Set the background of a window to greyscale. */ static inline void win_greyscale_background(session_t *ps, win *w, Picture tgt_buffer, XserverRegion reg_paint, const reg_data_t *pcache_reg) { const int x = w->a.x; const int y = w->a.y; const int wid = w->widthb; const int hei = w->heightb; switch (ps->o.backend) { case BKEND_XRENDER: case BKEND_XR_GLX_HYBRID: { xr_greyscale_dst(ps, tgt_buffer, x, y, wid, hei, reg_paint); } break; #ifdef CONFIG_VSYNC_OPENGL_GLSL case BKEND_GLX: glx_greyscale_dst(ps, x, y, wid, hei, ps->psglx->z - 0.5, reg_paint, pcache_reg, &w->glx_greyscale_cache); break; #endif default: assert(0); } } static void render_(session_t *ps, int x, int y, int dx, int dy, int wid, int hei, double opacity, bool argb, bool neg, Picture pict, glx_texture_t *ptex, XserverRegion reg_paint, const reg_data_t *pcache_reg #ifdef CONFIG_VSYNC_OPENGL_GLSL , const glx_prog_main_t *pprogram #endif ) { switch (ps->o.backend) { case BKEND_XRENDER: case BKEND_XR_GLX_HYBRID: { Picture alpha_pict = get_alpha_pict_d(ps, opacity); if (alpha_pict != ps->alpha_picts[0]) { int op = ((!argb && !alpha_pict) ? PictOpSrc: PictOpOver); XRenderComposite(ps->dpy, op, pict, alpha_pict, ps->tgt_buffer.pict, x, y, 0, 0, dx, dy, wid, hei); } break; } #ifdef CONFIG_VSYNC_OPENGL case BKEND_GLX: glx_render(ps, ptex, x, y, dx, dy, wid, hei, ps->psglx->z, opacity, argb, neg, reg_paint, pcache_reg, pprogram); ps->psglx->z += 1; break; #endif default: assert(0); } } /** * Paint a window itself and dim it if asked. */ static inline void win_paint_win(session_t *ps, win *w, XserverRegion reg_paint, const reg_data_t *pcache_reg) { glx_mark(ps, w->id, true); // Fetch Pixmap if (!w->paint.pixmap && ps->has_name_pixmap) { set_ignore_next(ps); w->paint.pixmap = XCompositeNameWindowPixmap(ps->dpy, w->id); if (w->paint.pixmap) free_fence(ps, &w->fence); } Drawable draw = w->paint.pixmap; if (!draw) draw = w->id; // XRender: Build picture if (bkend_use_xrender(ps) && !w->paint.pict) { { XRenderPictureAttributes pa = { .subwindow_mode = IncludeInferiors, }; w->paint.pict = XRenderCreatePicture(ps->dpy, draw, w->pictfmt, CPSubwindowMode, &pa); } } if (IsViewable == w->a.map_state) xr_sync(ps, draw, &w->fence); // GLX: Build texture // Let glx_bind_pixmap() determine pixmap size, because if the user // is resizing windows, the width and height we get may not be up-to-date, // causing the jittering issue M4he reported in #7. if (!paint_bind_tex(ps, &w->paint, 0, 0, 0, (!ps->o.glx_no_rebind_pixmap && w->pixmap_damaged))) { printf_errf("(%#010lx): Failed to bind texture. Expect troubles.", w->id); } w->pixmap_damaged = false; if (!paint_isvalid(ps, &w->paint)) { printf_errf("(%#010lx): Missing painting data. This is a bad sign.", w->id); return; } const int x = w->a.x; const int y = w->a.y; const int wid = w->widthb; const int hei = w->heightb; Picture pict = w->paint.pict; // Invert window color, if required if (bkend_use_xrender(ps) && w->invert_color) { Picture newpict = xr_build_picture(ps, wid, hei, w->pictfmt); if (newpict) { // Apply clipping region to save some CPU if (reg_paint) { XserverRegion reg = copy_region(ps, reg_paint); XFixesTranslateRegion(ps->dpy, reg, -x, -y); XFixesSetPictureClipRegion(ps->dpy, newpict, 0, 0, reg); free_region(ps, ®); } XRenderComposite(ps->dpy, PictOpSrc, pict, None, newpict, 0, 0, 0, 0, 0, 0, wid, hei); XRenderComposite(ps->dpy, PictOpDifference, ps->white_picture, None, newpict, 0, 0, 0, 0, 0, 0, wid, hei); // We use an extra PictOpInReverse operation to get correct pixel // alpha. There could be a better solution. if (WMODE_ARGB == w->mode) XRenderComposite(ps->dpy, PictOpInReverse, pict, None, newpict, 0, 0, 0, 0, 0, 0, wid, hei); pict = newpict; } } const double dopacity = get_opacity_percent(w); if (!w->frame_opacity) { win_render(ps, w, 0, 0, wid, hei, dopacity, reg_paint, pcache_reg, pict); } else { // Painting parameters const int t = w->a.border_width + w->top_width; const int l = w->a.border_width + w->left_width; const int b = w->a.border_width + w->bottom_width; const int r = w->a.border_width + w->right_width; #define COMP_BDR(cx, cy, cwid, chei) \ win_render(ps, w, (cx), (cy), (cwid), (chei), w->frame_opacity, \ reg_paint, pcache_reg, pict) // The following complicated logic is required because some broken // window managers (I'm talking about you, Openbox!) that makes // top_width + bottom_width > height in some cases. // top int phei = min_i(t, hei); if (phei > 0) COMP_BDR(0, 0, wid, phei); if (hei > t) { phei = min_i(hei - t, b); // bottom if (phei > 0) COMP_BDR(0, hei - phei, wid, phei); phei = hei - t - phei; if (phei > 0) { int pwid = min_i(l, wid); // left if (pwid > 0) COMP_BDR(0, t, pwid, phei); if (wid > l) { pwid = min_i(wid - l, r); // right if (pwid > 0) COMP_BDR(wid - pwid, t, pwid, phei); pwid = wid - l - pwid; if (pwid > 0) { // body win_render(ps, w, l, t, pwid, phei, dopacity, reg_paint, pcache_reg, pict); } } } } } #undef COMP_BDR if (pict != w->paint.pict) free_picture(ps, &pict); // Dimming the window if needed if (w->dim) { double dim_opacity = ps->o.inactive_dim; if (!ps->o.inactive_dim_fixed) dim_opacity *= get_opacity_percent(w); switch (ps->o.backend) { case BKEND_XRENDER: case BKEND_XR_GLX_HYBRID: { unsigned short cval = 0xffff * dim_opacity; // Premultiply color XRenderColor color = { .red = 0, .green = 0, .blue = 0, .alpha = cval, }; XRectangle rect = { .x = x, .y = y, .width = wid, .height = hei, }; XRenderFillRectangles(ps->dpy, PictOpOver, ps->tgt_buffer.pict, &color, &rect, 1); } break; #ifdef CONFIG_VSYNC_OPENGL case BKEND_GLX: glx_dim_dst(ps, x, y, wid, hei, ps->psglx->z - 0.7, dim_opacity, reg_paint, pcache_reg); break; #endif } } glx_mark(ps, w->id, false); } /** * Rebuild cached <code>screen_reg</code>. */ static void rebuild_screen_reg(session_t *ps) { if (ps->screen_reg) XFixesDestroyRegion(ps->dpy, ps->screen_reg); ps->screen_reg = get_screen_region(ps); } /** * Rebuild <code>shadow_exclude_reg</code>. */ static void rebuild_shadow_exclude_reg(session_t *ps) { free_region(ps, &ps->shadow_exclude_reg); XRectangle rect = geom_to_rect(ps, &ps->o.shadow_exclude_reg_geom, NULL); ps->shadow_exclude_reg = rect_to_reg(ps, &rect); } static void paint_all(session_t *ps, XserverRegion region, XserverRegion region_real, win *t) { if (!region_real) region_real = region; #ifdef DEBUG_REPAINT static struct timespec last_paint = { 0 }; #endif XserverRegion reg_paint = None, reg_tmp = None, reg_tmp2 = None; #ifdef CONFIG_VSYNC_OPENGL if (bkend_use_glx(ps)) { glx_paint_pre(ps, ®ion); } #endif if (!region) { region_real = region = get_screen_region(ps); } else { // Remove the damaged area out of screen XFixesIntersectRegion(ps->dpy, region, region, ps->screen_reg); } #ifdef MONITOR_REPAINT // Note: MONITOR_REPAINT cannot work with DBE right now. // Picture old_tgt_buffer = ps->tgt_buffer.pict; ps->tgt_buffer.pict = ps->tgt_picture; #else if (!paint_isvalid(ps, &ps->tgt_buffer)) { // DBE painting mode: Directly paint to a Picture of the back buffer if (BKEND_XRENDER == ps->o.backend && ps->o.dbe) { ps->tgt_buffer.pict = XRenderCreatePicture(ps->dpy, ps->root_dbe, XRenderFindVisualFormat(ps->dpy, ps->vis), 0, 0); } // No-DBE painting mode: Paint to an intermediate Picture then paint // the Picture to root window else { if (!ps->tgt_buffer.pixmap) { free_paint(ps, &ps->tgt_buffer); ps->tgt_buffer.pixmap = XCreatePixmap(ps->dpy, ps->root, ps->root_width, ps->root_height, ps->depth); } if (BKEND_GLX != ps->o.backend) ps->tgt_buffer.pict = XRenderCreatePicture(ps->dpy, ps->tgt_buffer.pixmap, XRenderFindVisualFormat(ps->dpy, ps->vis), 0, 0); } } #endif if (BKEND_XRENDER == ps->o.backend) XFixesSetPictureClipRegion(ps->dpy, ps->tgt_picture, 0, 0, region_real); #ifdef MONITOR_REPAINT switch (ps->o.backend) { case BKEND_XRENDER: XRenderComposite(ps->dpy, PictOpSrc, ps->black_picture, None, ps->tgt_picture, 0, 0, 0, 0, 0, 0, ps->root_width, ps->root_height); break; case BKEND_GLX: case BKEND_XR_GLX_HYBRID: glClearColor(0.0f, 0.0f, 1.0f, 1.0f); glClear(GL_COLOR_BUFFER_BIT); glClearColor(0.0f, 0.0f, 0.0f, 1.0f); break; } #endif if (t && t->reg_ignore) { // Calculate the region upon which the root window is to be painted // based on the ignore region of the lowest window, if available reg_paint = reg_tmp = XFixesCreateRegion(ps->dpy, NULL, 0); XFixesSubtractRegion(ps->dpy, reg_paint, region, t->reg_ignore); } else { reg_paint = region; } set_tgt_clip(ps, reg_paint, NULL); paint_root(ps, reg_paint); // Create temporary regions for use during painting if (!reg_tmp) reg_tmp = XFixesCreateRegion(ps->dpy, NULL, 0); reg_tmp2 = XFixesCreateRegion(ps->dpy, NULL, 0); for (win *w = t; w; w = w->prev_trans) { // Painting shadow if (w->shadow) { // Lazy shadow building if (!w->shadow_paint.pixmap) win_build_shadow(ps, w, 1); // Shadow is to be painted based on the ignore region of current // window if (w->reg_ignore) { if (w == t) { // If it's the first cycle and reg_tmp2 is not ready, calculate // the paint region here reg_paint = reg_tmp; XFixesSubtractRegion(ps->dpy, reg_paint, region, w->reg_ignore); } else { // Otherwise, used the cached region during last cycle reg_paint = reg_tmp2; } XFixesIntersectRegion(ps->dpy, reg_paint, reg_paint, w->extents); } else { reg_paint = reg_tmp; XFixesIntersectRegion(ps->dpy, reg_paint, region, w->extents); } if (ps->shadow_exclude_reg) XFixesSubtractRegion(ps->dpy, reg_paint, reg_paint, ps->shadow_exclude_reg); // Might be worthwhile to crop the region to shadow border { XRectangle rec_shadow_border = { .x = w->a.x + w->shadow_dx, .y = w->a.y + w->shadow_dy, .width = w->shadow_width, .height = w->shadow_height }; XserverRegion reg_shadow = XFixesCreateRegion(ps->dpy, &rec_shadow_border, 1); XFixesIntersectRegion(ps->dpy, reg_paint, reg_paint, reg_shadow); free_region(ps, ®_shadow); } // Clear the shadow here instead of in make_shadow() for saving GPU // power and handling shaped windows if (ps->o.clear_shadow && w->border_size) XFixesSubtractRegion(ps->dpy, reg_paint, reg_paint, w->border_size); #ifdef CONFIG_XINERAMA if (ps->o.xinerama_shadow_crop && w->xinerama_scr >= 0) XFixesIntersectRegion(ps->dpy, reg_paint, reg_paint, ps->xinerama_scr_regs[w->xinerama_scr]); #endif // Detect if the region is empty before painting { reg_data_t cache_reg = REG_DATA_INIT; if (region == reg_paint || !is_region_empty(ps, reg_paint, &cache_reg)) { set_tgt_clip(ps, reg_paint, &cache_reg); win_paint_shadow(ps, w, reg_paint, &cache_reg); } free_reg_data(&cache_reg); } } // Calculate the region based on the reg_ignore of the next (higher) // window and the bounding region reg_paint = reg_tmp; if (w->prev_trans && w->prev_trans->reg_ignore) { XFixesSubtractRegion(ps->dpy, reg_paint, region, w->prev_trans->reg_ignore); // Copy the subtracted region to be used for shadow painting in next // cycle XFixesCopyRegion(ps->dpy, reg_tmp2, reg_paint); if (w->border_size) XFixesIntersectRegion(ps->dpy, reg_paint, reg_paint, w->border_size); } else { if (w->border_size) XFixesIntersectRegion(ps->dpy, reg_paint, region, w->border_size); else reg_paint = region; } { reg_data_t cache_reg = REG_DATA_INIT; if (!is_region_empty(ps, reg_paint, &cache_reg)) { set_tgt_clip(ps, reg_paint, &cache_reg); /* Here we redraw the background of the transparent window if we want to do anything special (i.e. anything other than showing the windows and desktop prestacked behind of the window). For example, if you want to blur the background or show another background pixmap entirely here is the place to do it; simply draw the new background onto ps->tgt_buffer.pict before continuing! */ switch (ps->o.backend) { case BKEND_XRENDER: case BKEND_XR_GLX_HYBRID: { if (w->show_root_tile) { XRenderComposite (ps->dpy, PictOpSrc, ps->root_tile_paint.pict, None, ps->tgt_buffer.pict, w->a.x, w->a.y, w->a.x, w->a.y, w->a.x, w->a.y, w->widthb, w->heightb); } else if (w->show_black_background) { XRenderComposite (ps->dpy, PictOpSrc, ps->black_picture, None, ps->tgt_buffer.pict, w->a.x, w->a.y, w->a.x, w->a.y, w->a.x, w->a.y, w->widthb, w->heightb); } break; } #ifdef CONFIG_VSYNC_OPENGL case BKEND_GLX: { if (w->show_root_tile) { glx_render(ps, ps->root_tile_paint.ptex, w->a.x, w->a.y, w->a.x, w->a.y, w->widthb, w->heightb, ps->psglx->z, 1.0, false, false, reg_paint, &cache_reg, NULL); } else if (w->show_black_background) { glx_render_specified_color(ps, 0, w->a.x, w->a.y, w->widthb, w->heightb, ps->psglx->z, reg_paint, &cache_reg); } break; } #endif } // Blur window background if (w->blur_background && (!win_is_solid(ps, w) || (ps->o.blur_background_frame && w->frame_opacity))) { win_blur_background(ps, w, ps->tgt_buffer.pict, reg_paint, &cache_reg); } // Set window background to greyscale if (w->greyscale_background && (!win_is_solid(ps, w))) { win_greyscale_background(ps, w, ps->tgt_buffer.pict, reg_paint, &cache_reg); } // Painting the window win_paint_win(ps, w, reg_paint, &cache_reg); } free_reg_data(&cache_reg); } } // Free up all temporary regions XFixesDestroyRegion(ps->dpy, reg_tmp); XFixesDestroyRegion(ps->dpy, reg_tmp2); // Do this as early as possible if (!ps->o.dbe) set_tgt_clip(ps, None, NULL); if (ps->o.vsync) { // Make sure all previous requests are processed to achieve best // effect XSync(ps->dpy, False); #ifdef CONFIG_VSYNC_OPENGL if (glx_has_context(ps)) { if (ps->o.vsync_use_glfinish) glFinish(); else glFlush(); glXWaitX(); } #endif } // Wait for VBlank. We could do it aggressively (send the painting // request and XFlush() on VBlank) or conservatively (send the request // only on VBlank). if (!ps->o.vsync_aggressive) vsync_wait(ps); switch (ps->o.backend) { case BKEND_XRENDER: // DBE painting mode, only need to swap the buffer if (ps->o.dbe) { XdbeSwapInfo swap_info = { .swap_window = get_tgt_window(ps), // Is it safe to use XdbeUndefined? .swap_action = XdbeCopied }; XdbeSwapBuffers(ps->dpy, &swap_info, 1); } // No-DBE painting mode else if (ps->tgt_buffer.pict != ps->tgt_picture) { XRenderComposite( ps->dpy, PictOpSrc, ps->tgt_buffer.pict, None, ps->tgt_picture, 0, 0, 0, 0, 0, 0, ps->root_width, ps->root_height); } break; #ifdef CONFIG_VSYNC_OPENGL case BKEND_XR_GLX_HYBRID: XSync(ps->dpy, False); if (ps->o.vsync_use_glfinish) glFinish(); else glFlush(); glXWaitX(); assert(ps->tgt_buffer.pixmap); xr_sync(ps, ps->tgt_buffer.pixmap, &ps->tgt_buffer_fence); paint_bind_tex_real(ps, &ps->tgt_buffer, ps->root_width, ps->root_height, ps->depth, !ps->o.glx_no_rebind_pixmap); // See #163 xr_sync(ps, ps->tgt_buffer.pixmap, &ps->tgt_buffer_fence); if (ps->o.vsync_use_glfinish) glFinish(); else glFlush(); glXWaitX(); glx_render(ps, ps->tgt_buffer.ptex, 0, 0, 0, 0, ps->root_width, ps->root_height, 0, 1.0, false, false, region_real, NULL, NULL); // No break here! case BKEND_GLX: if (ps->o.glx_use_copysubbuffermesa) glx_swap_copysubbuffermesa(ps, region_real); else glXSwapBuffers(ps->dpy, get_tgt_window(ps)); break; #endif default: assert(0); } glx_mark_frame(ps); if (ps->o.vsync_aggressive) vsync_wait(ps); XFlush(ps->dpy); #ifdef CONFIG_VSYNC_OPENGL if (glx_has_context(ps)) { glFlush(); glXWaitX(); } #endif XFixesDestroyRegion(ps->dpy, region); #ifdef DEBUG_REPAINT print_timestamp(ps); struct timespec now = get_time_timespec(); struct timespec diff = { 0 }; timespec_subtract(&diff, &now, &last_paint); printf("[ %5ld:%09ld ] ", diff.tv_sec, diff.tv_nsec); last_paint = now; printf("paint:"); for (win *w = t; w; w = w->prev_trans) printf(" %#010lx", w->id); putchar('\n'); fflush(stdout); #endif // Check if fading is finished on all painted windows { win *pprev = NULL; for (win *w = t; w; w = pprev) { pprev = w->prev_trans; check_fade_fin(ps, w); } } } static void add_damage(session_t *ps, XserverRegion damage) { // Ignore damage when screen isn't redirected if (!ps->redirected) free_region(ps, &damage); if (!damage) return; if (ps->all_damage) { XFixesUnionRegion(ps->dpy, ps->all_damage, ps->all_damage, damage); XFixesDestroyRegion(ps->dpy, damage); } else { ps->all_damage = damage; } } static void repair_win(session_t *ps, win *w) { if (IsViewable != w->a.map_state) return; XserverRegion parts; if (!w->damaged) { parts = win_extents(ps, w); set_ignore_next(ps); XDamageSubtract(ps->dpy, w->damage, None, None); } else { parts = XFixesCreateRegion(ps->dpy, 0, 0); set_ignore_next(ps); XDamageSubtract(ps->dpy, w->damage, None, parts); XFixesTranslateRegion(ps->dpy, parts, w->a.x + w->a.border_width, w->a.y + w->a.border_width); } w->damaged = true; w->pixmap_damaged = true; // Why care about damage when screen is unredirected? // We will force full-screen repaint on redirection. if (!ps->redirected) return; // Remove the part in the damage area that could be ignored if (!ps->reg_ignore_expire && w->prev_trans && w->prev_trans->reg_ignore) XFixesSubtractRegion(ps->dpy, parts, parts, w->prev_trans->reg_ignore); add_damage(ps, parts); } static wintype_t wid_get_prop_wintype(session_t *ps, Window wid) { set_ignore_next(ps); winprop_t prop = wid_get_prop(ps, wid, ps->atom_win_type, 32L, XA_ATOM, 32); for (unsigned i = 0; i < prop.nitems; ++i) { for (wintype_t j = 1; j < NUM_WINTYPES; ++j) { if (ps->atoms_wintypes[j] == (Atom) prop.data.p32[i]) { free_winprop(&prop); return j; } } } free_winprop(&prop); return WINTYPE_UNKNOWN; } static void map_win(session_t *ps, Window id) { // Unmap overlay window if it got mapped but we are currently not // in redirected state. if (ps->overlay && id == ps->overlay && !ps->redirected) { XUnmapWindow(ps->dpy, ps->overlay); XFlush(ps->dpy); } win *w = find_win(ps, id); #ifdef DEBUG_EVENTS printf_dbgf("(%#010lx \"%s\"): %p\n", id, (w ? w->name: NULL), w); #endif // Don't care about window mapping if it's an InputOnly window // Try avoiding mapping a window twice if (!w || InputOnly == w->a.class || IsViewable == w->a.map_state) return; assert(!win_is_focused_real(ps, w)); w->a.map_state = IsViewable; cxinerama_win_upd_scr(ps, w); // Call XSelectInput() before reading properties so that no property // changes are lost XSelectInput(ps->dpy, id, determine_evmask(ps, id, WIN_EVMODE_FRAME)); // Notify compton when the shape of a window changes if (ps->shape_exists) { XShapeSelectInput(ps->dpy, id, ShapeNotifyMask); } // Make sure the XSelectInput() requests are sent XFlush(ps->dpy); /* This needs to be here since we don't get PropertyNotify when unmapped */ w->opacity = wid_get_opacity_prop(ps, w->id, OPAQUE); w->show_root_tile = determine_window_transparent_to_desktop(ps, id); w->show_black_background = determine_window_transparent_to_black(ps, id); // Update window mode here to check for ARGB windows win_determine_mode(ps, w); // Detect client window here instead of in add_win() as the client // window should have been prepared at this point if (!w->client_win) { win_recheck_client(ps, w); } else { // Re-mark client window here win_mark_client(ps, w, w->client_win); } assert(w->client_win); #ifdef DEBUG_WINTYPE printf_dbgf("(%#010lx): type %s\n", w->id, WINTYPES[w->window_type]); #endif // Detect if the window is shaped or has rounded corners win_update_shape_raw(ps, w); // FocusIn/Out may be ignored when the window is unmapped, so we must // recheck focus here if (ps->o.track_focus) recheck_focus(ps); // Update window focus state win_update_focused(ps, w); // Update opacity and dim state win_update_opacity_prop(ps, w); w->flags |= WFLAG_OPCT_CHANGE; // Check for _TDE_WM_WINDOW_SHADOW if (ps->o.respect_prop_shadow) win_update_prop_shadow_raw(ps, w); // Many things above could affect shadow win_determine_shadow(ps, w); // Set fading state w->in_openclose = true; set_fade_callback(ps, w, finish_map_win, true); win_determine_fade(ps, w); if (w->fade) { // Make sure the new window fades in properly w->opacity = 0; } win_determine_blur_background(ps, w); win_determine_greyscale_background(ps, w); w->damaged = false; /* if any configure events happened while the window was unmapped, then configure the window to its correct place */ if (w->need_configure) { configure_win(ps, &w->queue_configure); } #ifdef CONFIG_DBUS // Send D-Bus signal if (ps->o.dbus) { cdbus_ev_win_mapped(ps, w); } #endif #ifdef DEBUG_FADE printf_dbgf("(%#010lx): map_win opacity: %u target: %u\n", w->id, w->opacity, w->opacity_tgt); #endif } static void finish_map_win(session_t *ps, win *w) { w->in_openclose = false; #ifdef DEBUG_FADE printf_dbgf("(%#010lx)\n", w->id); #endif if (ps->o.no_fading_openclose) { win_determine_fade(ps, w); } #ifdef DEBUG_FADE printf_dbgf("(%#010lx): finish_map_win opacity: %u target: %u\n", w->id, w->opacity, w->opacity_tgt); printf_dbgf("(%#010lx): end\n", w->id); #endif } static void finish_unmap_win(session_t *ps, win *w) { w->damaged = false; w->in_openclose = false; update_reg_ignore_expire(ps, w); if (w->extents != None) { /* destroys region */ add_damage(ps, w->extents); w->extents = None; } free_wpaint(ps, w); free_region(ps, &w->border_size); free_paint(ps, &w->shadow_paint); } static void unmap_callback(session_t *ps, win *w) { finish_unmap_win(ps, w); } static void unmap_win(session_t *ps, win *w) { if (!w || IsUnmapped == w->a.map_state) return; // One last synchronization if (w->paint.pixmap) xr_sync(ps, w->paint.pixmap, &w->fence); free_fence(ps, &w->fence); // Set focus out win_set_focused(ps, w, false); w->a.map_state = IsUnmapped; // Fading out w->flags |= WFLAG_OPCT_CHANGE; set_fade_callback(ps, w, unmap_callback, false); w->in_openclose = true; win_determine_fade(ps, w); // Validate pixmap if we have to do fading if (w->fade) win_validate_pixmap(ps, w); // don't care about properties anymore win_ev_stop(ps, w); #ifdef CONFIG_DBUS // Send D-Bus signal if (ps->o.dbus) { cdbus_ev_win_unmapped(ps, w); } #endif } static opacity_t wid_get_opacity_prop(session_t *ps, Window wid, opacity_t def) { opacity_t val = def; winprop_t prop = wid_get_prop(ps, wid, ps->atom_opacity, 1L, XA_CARDINAL, 32); if (prop.nitems) val = *prop.data.p32; free_winprop(&prop); return val; } static double get_opacity_percent(win *w) { return ((double) w->opacity) / OPAQUE; } static Bool get_window_transparency_filter_greyscale(const session_t *ps, Window w) { Atom actual; int format; unsigned long n, left; unsigned char *data; int result = XGetWindowProperty (ps->dpy, w, ps->atom_win_type_tde_transparency_filter_greyscale, 0L, 1L, False, XA_ATOM, &actual, &format, &n, &left, &data); if (result == Success && data != None && format == 32 ) { Atom a; a = *(long*)data; XFree ( (void *) data); return True; } return False; } static Bool get_window_transparent_to_desktop(const session_t *ps, Window w) { Atom actual; int format; unsigned long n, left; unsigned char *data; int result = XGetWindowProperty (ps->dpy, w, ps->atom_win_type_tde_transparent_to_desktop, 0L, 1L, False, XA_ATOM, &actual, &format, &n, &left, &data); if (result == Success && data != None && format == 32 ) { Atom a; a = *(long*)data; XFree ( (void *) data); return True; } return False; } static Bool get_window_transparent_to_black(const session_t *ps, Window w) { Atom actual; int format; unsigned long n, left; unsigned char *data; int result = XGetWindowProperty (ps->dpy, w, ps->atom_win_type_tde_transparent_to_black, 0L, 1L, False, XA_ATOM, &actual, &format, &n, &left, &data); if (result == Success && data != None && format == 32 ) { Atom a; a = *(long*)data; XFree ( (void *) data); return True; } return False; } static Bool determine_window_transparent_to_desktop (const session_t *ps, Window w) { Window root_return, parent_return; Window *children = NULL; unsigned int nchildren, i; Bool type; type = get_window_transparent_to_desktop (ps, w); if (type == True) { return True; } if (!XQueryTree (ps->dpy, w, &root_return, &parent_return, &children, &nchildren)) { /* XQueryTree failed. */ if (children) XFree ((void *)children); return False; } for (i = 0;i < nchildren;i++) { type = determine_window_transparent_to_desktop (ps, children[i]); if (type == True) return True; } if (children) XFree ((void *)children); return False; } static Bool determine_window_transparent_to_black (const session_t *ps, Window w) { Window root_return, parent_return; Window *children = NULL; unsigned int nchildren, i; Bool type; Bool ret = False; type = get_window_transparent_to_black (ps, w); if (type == True) { return True; } if (!XQueryTree (ps->dpy, w, &root_return, &parent_return, &children, &nchildren)) { /* XQueryTree failed. */ if (children) { XFree ((void *)children); } return False; } for (i = 0;i < nchildren;i++) { type = determine_window_transparent_to_black (ps, children[i]); if (type == True) { ret = True; break; } } if (children) { XFree ((void *)children); } return ret; } static void win_determine_mode(session_t *ps, win *w) { winmode_t mode = WMODE_SOLID; if (w->pictfmt && w->pictfmt->type == PictTypeDirect && w->pictfmt->direct.alphaMask) { mode = WMODE_ARGB; } else if (w->opacity != OPAQUE) { mode = WMODE_TRANS; } else { mode = WMODE_SOLID; } w->mode = mode; } /** * Calculate and set the opacity of a window. * * If window is inactive and inactive_opacity_override is set, the * priority is: (Simulates the old behavior) * * inactive_opacity > _NET_WM_WINDOW_OPACITY (if not opaque) * > window type default opacity * * Otherwise: * * _NET_WM_WINDOW_OPACITY (if not opaque) * > window type default opacity (if not opaque) * > inactive_opacity * * @param ps current session * @param w struct _win object representing the window */ static void calc_opacity(session_t *ps, win *w) { opacity_t opacity = OPAQUE; if (w->destroyed || IsViewable != w->a.map_state) { #ifdef DEBUG_FADE printf_dbgf("(%#010lx): calc_opacity forcing full transparency\n"); #endif opacity = 0; } else { // Try obeying opacity property and window type opacity firstly if (OPAQUE == (opacity = w->opacity_prop) && OPAQUE == (opacity = w->opacity_prop_client)) { opacity = ps->o.wintype_opacity[w->window_type] * OPAQUE; } // Respect inactive_opacity in some cases if (ps->o.inactive_opacity && false == w->focused && (OPAQUE == opacity || ps->o.inactive_opacity_override)) { opacity = ps->o.inactive_opacity; } // Respect active_opacity only when the window is physically focused if (OPAQUE == opacity && ps->o.active_opacity && win_is_focused_real(ps, w)) opacity = ps->o.active_opacity; } #ifdef DEBUG_FADE printf_dbgf("(%#010lx): calc_opacity opacity: %u\n", w->id, opacity); #endif w->opacity_tgt = opacity; } /** * Determine whether a window is to be dimmed. */ static void calc_dim(session_t *ps, win *w) { bool dim; // Make sure we do nothing if the window is unmapped / destroyed if (w->destroyed || IsViewable != w->a.map_state) return; if (ps->o.inactive_dim && !(w->focused)) { dim = true; } else { dim = false; } if (dim != w->dim) { w->dim = dim; add_damage_win(ps, w); } } /** * Determine if a window should fade on opacity change. */ static void win_determine_fade(session_t *ps, win *w) { if (UNSET != w->fade_force) { #ifdef DEBUG_FADE printf_dbgf("(%#010lx): fade forced\n", w->id); #endif w->fade = w->fade_force; } else if (ps->o.no_fading_openclose && (w->in_openclose || w->destroyed)) { #ifdef DEBUG_FADE printf_dbgf("(): no_fading_openclose and in_openclose\n"); #endif w->fade = false; } else if (ps->o.no_fading_opacitychange && (!w->in_openclose)) { #ifdef DEBUG_FADE printf_dbgf("(): no_fading_opacitychange and !in_openclose\n"); #endif w->fade = false; } else if (ps->o.no_fading_destroyed_argb && w->destroyed && WMODE_ARGB == w->mode && w->client_win && w->client_win != w->id) { #ifdef DEBUG_FADE printf_dbgf("(): no_fading_destroyed_argb\n"); #endif w->fade = false; // Prevent it from being overwritten by last-paint value w->fade_last = false; } // Ignore other possible causes of fading state changes after window // gets unmapped else if (IsViewable != w->a.map_state) { #ifdef DEBUG_FADE printf_dbgf("(): ignored: !IsViewable\n"); #endif } else if (win_match(ps, w, ps->o.fade_blacklist, &w->cache_fblst)) { w->fade = false; } else if (ps->o.wintype_fade[w->window_type] != NULL) { w->fade = ps->o.wintype_fade[w->window_type]; #ifdef DEBUG_FADE printf_dbgf("(%#010lx): via wintype_fade[%s]\n", w->id, WINTYPES[w->window_type]); #endif } else { #ifdef DEBUG_FADE printf_dbgf("(): fallthrough\n"); #endif } #ifdef DEBUG_FADE printf_dbgf("(%#010lx): fade = %d\n", w->id, w->fade ? w->fade : NULL); #endif } /** * Update window-shape. */ static void win_update_shape_raw(session_t *ps, win *w) { if (ps->shape_exists) { w->bounding_shaped = wid_bounding_shaped(ps, w->id); if (w->bounding_shaped && ps->o.detect_rounded_corners) win_rounded_corners(ps, w); } } /** * Update window-shape related information. */ static void win_update_shape(session_t *ps, win *w) { if (ps->shape_exists) { // bool bounding_shaped_old = w->bounding_shaped; win_update_shape_raw(ps, w); win_on_factor_change(ps, w); /* // If clear_shadow state on the window possibly changed, destroy the old // shadow_pict if (ps->o.clear_shadow && w->bounding_shaped != bounding_shaped_old) free_paint(ps, &w->shadow_paint); */ } } /** * Reread _TDE_WM_WINDOW_SHADOW property from a window. * * The property must be set on the outermost window, usually the WM frame. */ static void win_update_prop_shadow_raw(session_t *ps, win *w) { winprop_t prop = wid_get_prop(ps, w->id, ps->atom_compton_shadow, 1, XA_CARDINAL, 32); if (!prop.nitems) { w->prop_shadow = -1; } else { w->prop_shadow = *prop.data.p32; } free_winprop(&prop); } /** * Reread _TDE_WM_WINDOW_SHADOW property from a window and update related * things. */ static void win_update_prop_shadow(session_t *ps, win *w) { long attr_shadow_old = w->prop_shadow; win_update_prop_shadow_raw(ps, w); if (w->prop_shadow != attr_shadow_old) win_determine_shadow(ps, w); } static void win_set_shadow(session_t *ps, win *w, bool shadow_new) { if (w->shadow == shadow_new) return; w->shadow = shadow_new; // Window extents need update on shadow state change // Shadow geometry currently doesn't change on shadow state change // calc_shadow_geometry(ps, w); if (w->extents) { // Mark the old extents as damaged if the shadow is removed if (!w->shadow) add_damage(ps, w->extents); else free_region(ps, &w->extents); w->extents = win_extents(ps, w); // Mark the new extents as damaged if the shadow is added if (w->shadow) add_damage_win(ps, w); } } /** * Determine if a window should have shadow, and update things depending * on shadow state. */ static void win_determine_shadow(session_t *ps, win *w) { bool shadow_new = w->shadow; if (UNSET != w->shadow_force) shadow_new = w->shadow_force; else if (IsViewable == w->a.map_state) shadow_new = (ps->o.wintype_shadow[w->window_type] && !win_match(ps, w, ps->o.shadow_blacklist, &w->cache_sblst) && !(ps->o.shadow_ignore_shaped && w->bounding_shaped && !w->rounded_corners) && !(ps->o.respect_prop_shadow && 0 == w->prop_shadow)); win_set_shadow(ps, w, shadow_new); } static void win_set_invert_color(session_t *ps, win *w, bool invert_color_new) { if (w->invert_color == invert_color_new) return; w->invert_color = invert_color_new; add_damage_win(ps, w); } /** * Determine if a window should have color inverted. */ static void win_determine_invert_color(session_t *ps, win *w) { bool invert_color_new = w->invert_color; if (UNSET != w->invert_color_force) invert_color_new = w->invert_color_force; else if (IsViewable == w->a.map_state) invert_color_new = win_match(ps, w, ps->o.invert_color_list, &w->cache_ivclst); win_set_invert_color(ps, w, invert_color_new); } static void win_set_blur_background(session_t *ps, win *w, bool blur_background_new) { if (w->blur_background == blur_background_new) return; w->blur_background = blur_background_new; // Only consider window damaged if it's previously painted with background // blurred if (!win_is_solid(ps, w) || (ps->o.blur_background_frame && w->frame_opacity)) add_damage_win(ps, w); } /** * Determine if a window should have background blurred. */ static void win_determine_blur_background(session_t *ps, win *w) { if (IsViewable != w->a.map_state) return; bool blur_background_new = ps->o.blur_background && !win_match(ps, w, ps->o.blur_background_blacklist, &w->cache_bbblst); win_set_blur_background(ps, w, blur_background_new); } static void win_set_greyscale_background(session_t *ps, win *w, bool greyscale_background_new) { if (w->greyscale_background == greyscale_background_new) return; w->greyscale_background = greyscale_background_new; // Only consider window damaged if it's previously painted with background // set to greyscale if (!win_is_solid(ps, w)) add_damage_win(ps, w); } /** * Determine if a window should have a greyscale background. */ static void win_determine_greyscale_background(session_t *ps, win *w) { if (IsViewable != w->a.map_state) return; bool greyscale_background_new = (get_window_transparency_filter_greyscale(ps, w) || (ps->o.greyscale_background && !win_match(ps, w, ps->o.greyscale_background_blacklist, &w->cache_bbblst))); win_set_greyscale_background(ps, w, greyscale_background_new); } /** * Update window opacity according to opacity rules. */ static void win_update_opacity_rule(session_t *ps, win *w) { if (IsViewable != w->a.map_state) return; #ifdef CONFIG_C2 // If long is 32-bit, unfortunately there's no way could we express "unset", // so we just entirely don't distinguish "unset" and OPAQUE opacity_t opacity = OPAQUE; void *val = NULL; if (c2_matchd(ps, w, ps->o.opacity_rules, &w->cache_oparule, &val)) opacity = ((double) (long) val) / 100.0 * OPAQUE; if (opacity == w->opacity_set) return; if (OPAQUE != opacity) wid_set_opacity_prop(ps, w->id, opacity); else if (OPAQUE != w->opacity_set) wid_rm_opacity_prop(ps, w->id); w->opacity_set = opacity; #endif } /** * Function to be called on window type changes. */ static void win_on_wtype_change(session_t *ps, win *w) { win_determine_shadow(ps, w); win_determine_fade(ps, w); win_update_focused(ps, w); if (ps->o.invert_color_list) win_determine_invert_color(ps, w); if (ps->o.opacity_rules) win_update_opacity_rule(ps, w); } /** * Function to be called on window data changes. */ static void win_on_factor_change(session_t *ps, win *w) { if (ps->o.shadow_blacklist) win_determine_shadow(ps, w); if (ps->o.fade_blacklist) win_determine_fade(ps, w); if (ps->o.invert_color_list) win_determine_invert_color(ps, w); if (ps->o.focus_blacklist) win_update_focused(ps, w); if (ps->o.blur_background_blacklist) win_determine_blur_background(ps, w); if (ps->o.greyscale_background_blacklist) win_determine_greyscale_background(ps, w); if (ps->o.opacity_rules) win_update_opacity_rule(ps, w); if (IsViewable == w->a.map_state && ps->o.paint_blacklist) w->paint_excluded = win_match(ps, w, ps->o.paint_blacklist, &w->cache_pblst); if (IsViewable == w->a.map_state && ps->o.unredir_if_possible_blacklist) w->unredir_if_possible_excluded = win_match(ps, w, ps->o.unredir_if_possible_blacklist, &w->cache_uipblst); } /** * Process needed window updates. */ static void win_upd_run(session_t *ps, win *w, win_upd_t *pupd) { if (pupd->shadow) { win_determine_shadow(ps, w); pupd->shadow = false; } if (pupd->fade) { win_determine_fade(ps, w); pupd->fade = false; } if (pupd->invert_color) { win_determine_invert_color(ps, w); pupd->invert_color = false; } if (pupd->focus) { win_update_focused(ps, w); pupd->focus = false; } } /** * Update cache data in struct _win that depends on window size. */ static void calc_win_size(session_t *ps, win *w) { w->widthb = w->a.width + w->a.border_width * 2; w->heightb = w->a.height + w->a.border_width * 2; calc_shadow_geometry(ps, w); w->flags |= WFLAG_SIZE_CHANGE; } /** * Calculate and update geometry of the shadow of a window. */ static void calc_shadow_geometry(session_t *ps, win *w) { static const int shadowRadius = 100; w->shadow_dx = (((- ps->o.shadow_radius * 7 / 5) - ps->o.shadow_offset_x * shadowRadius / 100) * w->shadow_size) / 100; w->shadow_dy = (((- ps->o.shadow_radius * 7 / 5) - ps->o.shadow_offset_y * shadowRadius / 100) * w->shadow_size) / 100; w->shadow_width = w->widthb + ps->gaussian_map->size; w->shadow_height = w->heightb + ps->gaussian_map->size; } /** * Update window type. */ static void win_upd_wintype(session_t *ps, win *w) { const wintype_t wtype_old = w->window_type; // Detect window type here w->window_type = wid_get_prop_wintype(ps, w->client_win); // Conform to EWMH standard, if _NET_WM_WINDOW_TYPE is not present, take // override-redirect windows or windows without WM_TRANSIENT_FOR as // _NET_WM_WINDOW_TYPE_NORMAL, otherwise as _NET_WM_WINDOW_TYPE_DIALOG. if (WINTYPE_UNKNOWN == w->window_type) { if (w->a.override_redirect || !wid_has_prop(ps, w->client_win, ps->atom_transient)) w->window_type = WINTYPE_NORMAL; else w->window_type = WINTYPE_DIALOG; } if (w->window_type != wtype_old) win_on_wtype_change(ps, w); } /** * Mark a window as the client window of another. * * @param ps current session * @param w struct _win of the parent window * @param client window ID of the client window */ static void win_mark_client(session_t *ps, win *w, Window client) { w->client_win = client; // If the window isn't mapped yet, stop here, as the function will be // called in map_win() if (IsViewable != w->a.map_state) return; XSelectInput(ps->dpy, client, determine_evmask(ps, client, WIN_EVMODE_CLIENT)); // Make sure the XSelectInput() requests are sent XFlush(ps->dpy); win_upd_wintype(ps, w); // Get frame widths. The window is in damaged area already. if (ps->o.frame_opacity) get_frame_extents(ps, w, client); // Get window group if (ps->o.track_leader) win_update_leader(ps, w); // Get window name and class if we are tracking them if (ps->o.track_wdata) { win_get_name(ps, w); win_get_class(ps, w); win_get_role(ps, w); } // Update everything related to conditions win_on_factor_change(ps, w); // Update window focus state win_update_focused(ps, w); } /** * Unmark current client window of a window. * * @param ps current session * @param w struct _win of the parent window */ static void win_unmark_client(session_t *ps, win *w) { Window client = w->client_win; w->client_win = None; // Recheck event mask XSelectInput(ps->dpy, client, determine_evmask(ps, client, WIN_EVMODE_UNKNOWN)); } /** * Recheck client window of a window. * * @param ps current session * @param w struct _win of the parent window */ static void win_recheck_client(session_t *ps, win *w) { // Initialize wmwin to false w->wmwin = false; // Look for the client window // Always recursively look for a window with WM_STATE, as Fluxbox // sets override-redirect flags on all frame windows. Window cw = find_client_win(ps, w->id); #ifdef DEBUG_CLIENTWIN if (cw) printf_dbgf("(%#010lx): client %#010lx\n", w->id, cw); #endif // Set a window's client window to itself if we couldn't find a // client window if (!cw) { cw = w->id; w->wmwin = !w->a.override_redirect; #ifdef DEBUG_CLIENTWIN printf_dbgf("(%#010lx): client self (%s)\n", w->id, (w->wmwin ? "wmwin": "override-redirected")); #endif } // Unmark the old one if (w->client_win && w->client_win != cw) win_unmark_client(ps, w); // Mark the new one win_mark_client(ps, w, cw); } static bool add_win(session_t *ps, Window id, Window prev) { const static win win_def = { .next = NULL, .prev_trans = NULL, .id = None, .a = { }, #ifdef CONFIG_XINERAMA .xinerama_scr = -1, #endif .pictfmt = NULL, .mode = WMODE_TRANS, .damaged = false, .damage = None, .pixmap_damaged = false, .paint = PAINT_INIT, .border_size = None, .extents = None, .flags = 0, .need_configure = false, .queue_configure = { }, .reg_ignore = None, .widthb = 0, .heightb = 0, .destroyed = false, .bounding_shaped = false, .rounded_corners = false, .to_paint = false, .in_openclose = false, .client_win = None, .window_type = WINTYPE_UNKNOWN, .wmwin = false, .leader = None, .cache_leader = None, .focused = false, .focused_force = UNSET, .name = NULL, .class_instance = NULL, .class_general = NULL, .role = NULL, .cache_sblst = NULL, .cache_fblst = NULL, .cache_fcblst = NULL, .cache_ivclst = NULL, .cache_bbblst = NULL, .cache_oparule = NULL, .opacity = 0, .opacity_tgt = 0, .opacity_prop = OPAQUE, .opacity_prop_client = OPAQUE, .opacity_set = OPAQUE, .fade = false, .fade_force = UNSET, .fade_callback = NULL, .frame_opacity = 0.0, .left_width = 0, .right_width = 0, .top_width = 0, .bottom_width = 0, .shadow = false, .shadow_force = UNSET, .shadow_opacity = 0.0, .shadow_dx = 0, .shadow_dy = 0, .shadow_width = 0, .shadow_height = 0, .shadow_size = 100, .shadow_paint = PAINT_INIT, .prop_shadow = -1, .dim = false, .invert_color = false, .invert_color_force = UNSET, .blur_background = false, .greyscale_background = false, .show_black_background = false, .show_root_tile = false, }; // Reject overlay window and already added windows if (id == ps->overlay || find_win(ps, id)) { return false; } // Allocate and initialize the new win structure win *new = malloc(sizeof(win)); #ifdef DEBUG_EVENTS printf_dbgf("(%#010lx): %p\n", id, new); #endif if (!new) { printf_errf("(%#010lx): Failed to allocate memory for the new window.", id); return false; } memcpy(new, &win_def, sizeof(win)); // Find window insertion point win **p = NULL; if (prev) { for (p = &ps->list; *p; p = &(*p)->next) { if ((*p)->id == prev && !(*p)->destroyed) break; } } else { p = &ps->list; } // Fill structure new->id = id; set_ignore_next(ps); if (!XGetWindowAttributes(ps->dpy, id, &new->a) || IsUnviewable == new->a.map_state) { // Failed to get window attributes probably means the window is gone // already. IsUnviewable means the window is already reparented // elsewhere. free(new); return false; } // Delay window mapping int map_state = new->a.map_state; assert(IsViewable == map_state || IsUnmapped == map_state); new->a.map_state = IsUnmapped; if (InputOutput == new->a.class) { // Get window picture format new->pictfmt = XRenderFindVisualFormat(ps->dpy, new->a.visual); // Create Damage for window set_ignore_next(ps); new->damage = XDamageCreate(ps->dpy, id, XDamageReportNonEmpty); } calc_win_size(ps, new); new->next = *p; *p = new; #ifdef CONFIG_DBUS // Send D-Bus signal if (ps->o.dbus) { cdbus_ev_win_added(ps, new); } #endif if (IsViewable == map_state) { map_win(ps, id); } return true; } static void restack_win(session_t *ps, win *w, Window new_above) { Window old_above; update_reg_ignore_expire(ps, w); if (w->next) { old_above = w->next->id; } else { old_above = None; } if (old_above != new_above) { win **prev = NULL, **prev_old = NULL; // unhook for (prev = &ps->list; *prev; prev = &(*prev)->next) { if ((*prev) == w) break; } prev_old = prev; bool found = false; // rehook for (prev = &ps->list; *prev; prev = &(*prev)->next) { if ((*prev)->id == new_above && !(*prev)->destroyed) { found = true; break; } } if (new_above && !found) { printf_errf("(%#010lx, %#010lx): " "Failed to found new above window.", w->id, new_above); return; } *prev_old = w->next; w->next = *prev; *prev = w; #ifdef DEBUG_RESTACK { const char *desc; char *window_name = NULL; bool to_free; win* c = ps->list; printf_dbgf("(%#010lx, %#010lx): " "Window stack modified. Current stack:\n", w->id, new_above); for (; c; c = c->next) { window_name = "(Failed to get title)"; to_free = ev_window_name(ps, c->id, &window_name); desc = ""; if (c->destroyed) desc = "(D) "; printf("%#010lx \"%s\" %s", c->id, window_name, desc); if (c->next) printf("-> "); if (to_free) { cxfree(window_name); window_name = NULL; } } fputs("\n", stdout); } #endif } } static bool init_filters(session_t *ps); static void configure_win(session_t *ps, XConfigureEvent *ce) { // On root window changes if (ce->window == ps->root) { free_paint(ps, &ps->tgt_buffer); ps->root_width = ce->width; ps->root_height = ce->height; rebuild_screen_reg(ps); rebuild_shadow_exclude_reg(ps); free_all_damage_last(ps); // Re-redirect screen if required if (ps->o.reredir_on_root_change && ps->redirected) { redir_stop(ps); redir_start(ps); } #ifdef CONFIG_VSYNC_OPENGL // Reinitialize GLX on root change if (ps->o.glx_reinit_on_root_change && ps->psglx) { if (!glx_reinit(ps, bkend_use_glx(ps))) printf_errf("(): Failed to reinitialize GLX, troubles ahead."); if (BKEND_GLX == ps->o.backend && !init_filters(ps)) printf_errf("(): Failed to initialize filters."); } // GLX root change callback if (BKEND_GLX == ps->o.backend) glx_on_root_change(ps); #endif force_repaint(ps); return; } // Other window changes win *w = find_win(ps, ce->window); XserverRegion damage = None; if (!w) return; if (w->a.map_state == IsUnmapped) { /* save the configure event for when the window maps */ w->need_configure = true; w->queue_configure = *ce; restack_win(ps, w, ce->above); } else { if (!(w->need_configure)) { restack_win(ps, w, ce->above); } bool factor_change = false; // Windows restack (including window restacks happened when this // window is not mapped) could mess up all reg_ignore ps->reg_ignore_expire = true; w->need_configure = false; damage = XFixesCreateRegion(ps->dpy, 0, 0); if (w->extents != None) { XFixesCopyRegion(ps->dpy, damage, w->extents); } // If window geometry did not change, don't free extents here if (w->a.x != ce->x || w->a.y != ce->y || w->a.width != ce->width || w->a.height != ce->height || w->a.border_width != ce->border_width) { factor_change = true; free_region(ps, &w->extents); free_region(ps, &w->border_size); } w->a.x = ce->x; w->a.y = ce->y; if (w->a.width != ce->width || w->a.height != ce->height || w->a.border_width != ce->border_width) free_wpaint(ps, w); if (w->a.width != ce->width || w->a.height != ce->height || w->a.border_width != ce->border_width) { w->a.width = ce->width; w->a.height = ce->height; w->a.border_width = ce->border_width; calc_win_size(ps, w); // Rounded corner detection is affected by window size if (ps->shape_exists && ps->o.shadow_ignore_shaped && ps->o.detect_rounded_corners && w->bounding_shaped) win_update_shape(ps, w); } if (damage) { XserverRegion extents = win_extents(ps, w); XFixesUnionRegion(ps->dpy, damage, damage, extents); XFixesDestroyRegion(ps->dpy, extents); add_damage(ps, damage); } if (factor_change) { cxinerama_win_upd_scr(ps, w); win_on_factor_change(ps, w); } } // override_redirect flag cannot be changed after window creation, as far // as I know, so there's no point to re-match windows here. w->a.override_redirect = ce->override_redirect; } static void circulate_win(session_t *ps, XCirculateEvent *ce) { win *w = find_win(ps, ce->window); Window new_above; if (!w) return; if (ce->place == PlaceOnTop) { new_above = ps->list->id; } else { new_above = None; } restack_win(ps, w, new_above); } static void finish_destroy_win(session_t *ps, Window id) { win **prev = NULL, *w = NULL; #ifdef DEBUG_EVENTS printf_dbgf("(%#010lx): Starting...\n", id); #endif for (prev = &ps->list; (w = *prev); prev = &w->next) { if (w->id == id && w->destroyed) { #ifdef DEBUG_EVENTS printf_dbgf("(%#010lx \"%s\"): %p\n", id, w->name, w); #endif finish_unmap_win(ps, w); *prev = w->next; // Clear active_win if it's pointing to the destroyed window if (w == ps->active_win) ps->active_win = NULL; free_win_res(ps, w); // Drop w from all prev_trans to avoid accessing freed memory in // repair_win() for (win *w2 = ps->list; w2; w2 = w2->next) if (w == w2->prev_trans) w2->prev_trans = NULL; free(w); break; } } } static void destroy_callback(session_t *ps, win *w) { finish_destroy_win(ps, w->id); } static void destroy_win(session_t *ps, Window id) { win *w = find_win(ps, id); #ifdef DEBUG_EVENTS printf_dbgf("(%#010lx \"%s\"): %p\n", id, (w ? w->name: NULL), w); #endif if (w) { unmap_win(ps, w); w->destroyed = true; if (ps->o.no_fading_destroyed_argb) win_determine_fade(ps, w); // Set fading callback set_fade_callback(ps, w, destroy_callback, false); #ifdef CONFIG_DBUS // Send D-Bus signal if (ps->o.dbus) { cdbus_ev_win_destroyed(ps, w); } #endif } } static inline void root_damaged(session_t *ps) { if (ps->root_tile_paint.pixmap) { XClearArea(ps->dpy, ps->root, 0, 0, 0, 0, true); // if (ps->root_picture != ps->root_tile) { free_root_tile(ps); /* } if (root_damage) { XserverRegion parts = XFixesCreateRegion(ps->dpy, 0, 0); XDamageSubtract(ps->dpy, root_damage, None, parts); add_damage(ps, parts); } */ } // Mark screen damaged force_repaint(ps); } static void damage_win(session_t *ps, XDamageNotifyEvent *de) { /* if (ps->root == de->drawable) { root_damaged(); return; } */ win *w = find_win(ps, de->drawable); if (!w) return; repair_win(ps, w); } /** * Xlib error handler function. */ static int xerror(Display __attribute__((unused)) *dpy, XErrorEvent *ev) { session_t * const ps = ps_g; int o = 0; const char *name = "Unknown"; if (should_ignore(ps, ev->serial)) { return 0; } if (ev->request_code == ps->composite_opcode && ev->minor_code == X_CompositeRedirectSubwindows) { fprintf(stderr, "Another composite manager is already running\n"); exit(1); } #define CASESTRRET2(s) case s: name = #s; break o = ev->error_code - ps->xfixes_error; switch (o) { CASESTRRET2(BadRegion); } o = ev->error_code - ps->damage_error; switch (o) { CASESTRRET2(BadDamage); } o = ev->error_code - ps->render_error; switch (o) { CASESTRRET2(BadPictFormat); CASESTRRET2(BadPicture); CASESTRRET2(BadPictOp); CASESTRRET2(BadGlyphSet); CASESTRRET2(BadGlyph); } #ifdef CONFIG_VSYNC_OPENGL if (ps->glx_exists) { o = ev->error_code - ps->glx_error; switch (o) { CASESTRRET2(GLX_BAD_SCREEN); CASESTRRET2(GLX_BAD_ATTRIBUTE); CASESTRRET2(GLX_NO_EXTENSION); CASESTRRET2(GLX_BAD_VISUAL); CASESTRRET2(GLX_BAD_CONTEXT); CASESTRRET2(GLX_BAD_VALUE); CASESTRRET2(GLX_BAD_ENUM); } } #endif #ifdef CONFIG_XSYNC if (ps->xsync_exists) { o = ev->error_code - ps->xsync_error; switch (o) { CASESTRRET2(XSyncBadCounter); CASESTRRET2(XSyncBadAlarm); CASESTRRET2(XSyncBadFence); } } #endif switch (ev->error_code) { CASESTRRET2(BadAccess); CASESTRRET2(BadAlloc); CASESTRRET2(BadAtom); CASESTRRET2(BadColor); CASESTRRET2(BadCursor); CASESTRRET2(BadDrawable); CASESTRRET2(BadFont); CASESTRRET2(BadGC); CASESTRRET2(BadIDChoice); CASESTRRET2(BadImplementation); CASESTRRET2(BadLength); CASESTRRET2(BadMatch); CASESTRRET2(BadName); CASESTRRET2(BadPixmap); CASESTRRET2(BadRequest); CASESTRRET2(BadValue); CASESTRRET2(BadWindow); } #undef CASESTRRET2 print_timestamp(ps); { char buf[BUF_LEN] = ""; XGetErrorText(ps->dpy, ev->error_code, buf, BUF_LEN); printf("error %4d %-12s request %4d minor %4d serial %6lu: \"%s\"\n", ev->error_code, name, ev->request_code, ev->minor_code, ev->serial, buf); } // print_backtrace(); return 0; } static void expose_root(session_t *ps, XRectangle *rects, int nrects) { free_all_damage_last(ps); XserverRegion region = XFixesCreateRegion(ps->dpy, rects, nrects); add_damage(ps, region); } /** * Get the value of a type-<code>Window</code> property of a window. * * @return the value if successful, 0 otherwise */ static Window wid_get_prop_window(session_t *ps, Window wid, Atom aprop) { // Get the attribute Window p = None; winprop_t prop = wid_get_prop(ps, wid, aprop, 1L, XA_WINDOW, 32); // Return it if (prop.nitems) { p = *prop.data.p32; } free_winprop(&prop); return p; } /** * Update focused state of a window. */ static void win_update_focused(session_t *ps, win *w) { bool focused_old = w->focused; if (UNSET != w->focused_force) { w->focused = w->focused_force; } else { w->focused = win_is_focused_real(ps, w); // Use wintype_focus, and treat WM windows and override-redirected // windows specially if (ps->o.wintype_focus[w->window_type] || (ps->o.mark_wmwin_focused && w->wmwin) || (ps->o.mark_ovredir_focused && w->id == w->client_win && !w->wmwin) || (IsViewable == w->a.map_state && win_match(ps, w, ps->o.focus_blacklist, &w->cache_fcblst))) w->focused = true; // If window grouping detection is enabled, mark the window active if // its group is if (ps->o.track_leader && ps->active_leader && win_get_leader(ps, w) == ps->active_leader) { w->focused = true; } } if (w->focused != focused_old) w->flags |= WFLAG_OPCT_CHANGE; } /** * Set real focused state of a window. */ static void win_set_focused(session_t *ps, win *w, bool focused) { // Unmapped windows will have their focused state reset on map if (IsUnmapped == w->a.map_state) return; if (win_is_focused_real(ps, w) == focused) return; if (focused) { if (ps->active_win) win_set_focused(ps, ps->active_win, false); ps->active_win = w; } else if (w == ps->active_win) ps->active_win = NULL; assert(win_is_focused_real(ps, w) == focused); win_on_focus_change(ps, w); } /** * Handle window focus change. */ static void win_on_focus_change(session_t *ps, win *w) { // If window grouping detection is enabled if (ps->o.track_leader) { Window leader = win_get_leader(ps, w); // If the window gets focused, replace the old active_leader if (win_is_focused_real(ps, w) && leader != ps->active_leader) { Window active_leader_old = ps->active_leader; ps->active_leader = leader; group_update_focused(ps, active_leader_old); group_update_focused(ps, leader); } // If the group get unfocused, remove it from active_leader else if (!win_is_focused_real(ps, w) && leader && leader == ps->active_leader && !group_is_focused(ps, leader)) { ps->active_leader = None; group_update_focused(ps, leader); } // The window itself must be updated anyway win_update_focused(ps, w); } // Otherwise, only update the window itself else { win_update_focused(ps, w); } // Update everything related to conditions win_on_factor_change(ps, w); #ifdef CONFIG_DBUS // Send D-Bus signal if (ps->o.dbus) { if (win_is_focused_real(ps, w)) cdbus_ev_win_focusin(ps, w); else cdbus_ev_win_focusout(ps, w); } #endif } /** * Update leader of a window. */ static void win_update_leader(session_t *ps, win *w) { Window leader = None; // Read the leader properties if (ps->o.detect_transient && !leader) leader = wid_get_prop_window(ps, w->client_win, ps->atom_transient); if (ps->o.detect_client_leader && !leader) leader = wid_get_prop_window(ps, w->client_win, ps->atom_client_leader); win_set_leader(ps, w, leader); #ifdef DEBUG_LEADER printf_dbgf("(%#010lx): client %#010lx, leader %#010lx, cache %#010lx\n", w->id, w->client_win, w->leader, win_get_leader(ps, w)); #endif } /** * Set leader of a window. */ static void win_set_leader(session_t *ps, win *w, Window nleader) { // If the leader changes if (w->leader != nleader) { Window cache_leader_old = win_get_leader(ps, w); w->leader = nleader; // Forcefully do this to deal with the case when a child window // gets mapped before parent, or when the window is a waypoint clear_cache_win_leaders(ps); // Update the old and new window group and active_leader if the window // could affect their state. Window cache_leader = win_get_leader(ps, w); if (win_is_focused_real(ps, w) && cache_leader_old != cache_leader) { ps->active_leader = cache_leader; group_update_focused(ps, cache_leader_old); group_update_focused(ps, cache_leader); } // Otherwise, at most the window itself is affected else { win_update_focused(ps, w); } // Update everything related to conditions win_on_factor_change(ps, w); } } /** * Internal function of win_get_leader(). */ static Window win_get_leader_raw(session_t *ps, win *w, int recursions) { // Rebuild the cache if needed if (!w->cache_leader && (w->client_win || w->leader)) { // Leader defaults to client window if (!(w->cache_leader = w->leader)) w->cache_leader = w->client_win; // If the leader of this window isn't itself, look for its ancestors if (w->cache_leader && w->cache_leader != w->client_win) { win *wp = find_toplevel(ps, w->cache_leader); if (wp) { // Dead loop? if (recursions > WIN_GET_LEADER_MAX_RECURSION) return None; w->cache_leader = win_get_leader_raw(ps, wp, recursions + 1); } } } return w->cache_leader; } /** * Get the value of a text property of a window. */ bool wid_get_text_prop(session_t *ps, Window wid, Atom prop, char ***pstrlst, int *pnstr) { XTextProperty text_prop = { NULL, None, 0, 0 }; if (!(XGetTextProperty(ps->dpy, wid, &text_prop, prop) && text_prop.value)) return false; if (Success != XmbTextPropertyToTextList(ps->dpy, &text_prop, pstrlst, pnstr) || !*pnstr) { *pnstr = 0; if (*pstrlst) XFreeStringList(*pstrlst); cxfree(text_prop.value); return false; } cxfree(text_prop.value); return true; } /** * Get the name of a window from window ID. */ static bool wid_get_name(session_t *ps, Window wid, char **name) { XTextProperty text_prop = { NULL, None, 0, 0 }; char **strlst = NULL; int nstr = 0; if (!(wid_get_text_prop(ps, wid, ps->atom_name_ewmh, &strlst, &nstr))) { #ifdef DEBUG_WINDATA printf_dbgf("(%#010lx): _NET_WM_NAME unset, falling back to WM_NAME.\n", wid); #endif if (!(XGetWMName(ps->dpy, wid, &text_prop) && text_prop.value)) { return false; } if (Success != XmbTextPropertyToTextList(ps->dpy, &text_prop, &strlst, &nstr) || !nstr || !strlst) { if (strlst) XFreeStringList(strlst); cxfree(text_prop.value); return false; } cxfree(text_prop.value); } *name = mstrcpy(strlst[0]); XFreeStringList(strlst); return true; } /** * Get the role of a window from window ID. */ static bool wid_get_role(session_t *ps, Window wid, char **role) { char **strlst = NULL; int nstr = 0; if (!wid_get_text_prop(ps, wid, ps->atom_role, &strlst, &nstr)) { return false; } *role = mstrcpy(strlst[0]); XFreeStringList(strlst); return true; } /** * Retrieve a string property of a window and update its <code>win</code> * structure. */ static int win_get_prop_str(session_t *ps, win *w, char **tgt, bool (*func_wid_get_prop_str)(session_t *ps, Window wid, char **tgt)) { int ret = -1; char *prop_old = *tgt; // Can't do anything if there's no client window if (!w->client_win) return false; // Get the property ret = func_wid_get_prop_str(ps, w->client_win, tgt); // Return -1 if func_wid_get_prop_str() failed, 0 if the property // doesn't change, 1 if it changes if (!ret) ret = -1; else if (prop_old && !strcmp(*tgt, prop_old)) ret = 0; else ret = 1; // Keep the old property if there's no new one if (*tgt != prop_old) free(prop_old); return ret; } /** * Retrieve the <code>WM_CLASS</code> of a window and update its * <code>win</code> structure. */ static bool win_get_class(session_t *ps, win *w) { char **strlst = NULL; int nstr = 0; // Can't do anything if there's no client window if (!w->client_win) return false; // Free and reset old strings free(w->class_instance); free(w->class_general); w->class_instance = NULL; w->class_general = NULL; // Retrieve the property string list if (!wid_get_text_prop(ps, w->client_win, ps->atom_class, &strlst, &nstr)) return false; // Copy the strings if successful w->class_instance = mstrcpy(strlst[0]); if (nstr > 1) w->class_general = mstrcpy(strlst[1]); XFreeStringList(strlst); #ifdef DEBUG_WINDATA printf_dbgf("(%#010lx): client = %#010lx, " "instance = \"%s\", general = \"%s\"\n", w->id, w->client_win, w->class_instance, w->class_general); #endif return true; } /** * Force a full-screen repaint. */ void force_repaint(session_t *ps) { assert(ps->screen_reg); XserverRegion reg = None; if (ps->screen_reg && (reg = copy_region(ps, ps->screen_reg))) { ps->ev_received = true; add_damage(ps, reg); } } #ifdef CONFIG_DBUS /** @name DBus hooks */ ///@{ /** * Set w->shadow_force of a window. */ void win_set_shadow_force(session_t *ps, win *w, switch_t val) { if (val != w->shadow_force) { w->shadow_force = val; win_determine_shadow(ps, w); ps->ev_received = true; } } /** * Set w->fade_force of a window. */ void win_set_fade_force(session_t *ps, win *w, switch_t val) { if (val != w->fade_force) { w->fade_force = val; win_determine_fade(ps, w); ps->ev_received = true; } } /** * Set w->focused_force of a window. */ void win_set_focused_force(session_t *ps, win *w, switch_t val) { if (val != w->focused_force) { w->focused_force = val; win_update_focused(ps, w); ps->ev_received = true; } } /** * Set w->invert_color_force of a window. */ void win_set_invert_color_force(session_t *ps, win *w, switch_t val) { if (val != w->invert_color_force) { w->invert_color_force = val; win_determine_invert_color(ps, w); ps->ev_received = true; } } /** * Enable focus tracking. */ void opts_init_track_focus(session_t *ps) { // Already tracking focus if (ps->o.track_focus) return; ps->o.track_focus = true; if (!ps->o.use_ewmh_active_win) { // Start listening to FocusChange events for (win *w = ps->list; w; w = w->next) if (IsViewable == w->a.map_state) XSelectInput(ps->dpy, w->id, determine_evmask(ps, w->id, WIN_EVMODE_FRAME)); } // Recheck focus recheck_focus(ps); } /** * Set no_fading_openclose option. */ void opts_set_no_fading_openclose(session_t *ps, bool newval) { if (newval != ps->o.no_fading_openclose) { ps->o.no_fading_openclose = newval; for (win *w = ps->list; w; w = w->next) win_determine_fade(ps, w); ps->ev_received = true; } } /** * Set no_fading_opacitychange option. */ void opts_set_no_fading_opacitychange(session_t *ps, bool newval) { if (newval != ps->o.no_fading_opacitychange) { ps->o.no_fading_opacitychange = newval; for (win *w = ps->list; w; w = w->next) win_determine_fade(ps, w); ps->ev_received = true; } } //!@} #endif #ifdef DEBUG_EVENTS static int ev_serial(XEvent *ev) { if ((ev->type & 0x7f) != KeymapNotify) { return ev->xany.serial; } return NextRequest(ev->xany.display); } static const char * ev_name(session_t *ps, XEvent *ev) { static char buf[128]; switch (ev->type & 0x7f) { CASESTRRET(FocusIn); CASESTRRET(FocusOut); CASESTRRET(CreateNotify); CASESTRRET(ConfigureNotify); CASESTRRET(DestroyNotify); CASESTRRET(MapNotify); CASESTRRET(UnmapNotify); CASESTRRET(ReparentNotify); CASESTRRET(CirculateNotify); CASESTRRET(Expose); CASESTRRET(PropertyNotify); CASESTRRET(ClientMessage); } if (isdamagenotify(ps, ev)) return "Damage"; if (ps->shape_exists && ev->type == ps->shape_event) return "ShapeNotify"; #ifdef CONFIG_XSYNC if (ps->xsync_exists) { int o = ev->type - ps->xsync_event; switch (o) { CASESTRRET(CounterNotify); CASESTRRET(AlarmNotify); } } #endif sprintf(buf, "Event %d", ev->type); return buf; } static Window ev_window(session_t *ps, XEvent *ev) { switch (ev->type) { case FocusIn: case FocusOut: return ev->xfocus.window; case CreateNotify: return ev->xcreatewindow.window; case ConfigureNotify: return ev->xconfigure.window; case DestroyNotify: return ev->xdestroywindow.window; case MapNotify: return ev->xmap.window; case UnmapNotify: return ev->xunmap.window; case ReparentNotify: return ev->xreparent.window; case CirculateNotify: return ev->xcirculate.window; case Expose: return ev->xexpose.window; case PropertyNotify: return ev->xproperty.window; case ClientMessage: return ev->xclient.window; default: if (isdamagenotify(ps, ev)) { return ((XDamageNotifyEvent *)ev)->drawable; } if (ps->shape_exists && ev->type == ps->shape_event) { return ((XShapeEvent *) ev)->window; } return 0; } } static inline const char * ev_focus_mode_name(XFocusChangeEvent* ev) { switch (ev->mode) { CASESTRRET(NotifyNormal); CASESTRRET(NotifyWhileGrabbed); CASESTRRET(NotifyGrab); CASESTRRET(NotifyUngrab); } return "Unknown"; } static inline const char * ev_focus_detail_name(XFocusChangeEvent* ev) { switch (ev->detail) { CASESTRRET(NotifyAncestor); CASESTRRET(NotifyVirtual); CASESTRRET(NotifyInferior); CASESTRRET(NotifyNonlinear); CASESTRRET(NotifyNonlinearVirtual); CASESTRRET(NotifyPointer); CASESTRRET(NotifyPointerRoot); CASESTRRET(NotifyDetailNone); } return "Unknown"; } static inline void ev_focus_report(XFocusChangeEvent* ev) { printf(" { mode: %s, detail: %s }\n", ev_focus_mode_name(ev), ev_focus_detail_name(ev)); } #endif // === Events === /** * Determine whether we should respond to a <code>FocusIn/Out</code> * event. */ /* inline static bool ev_focus_accept(XFocusChangeEvent *ev) { return NotifyNormal == ev->mode || NotifyUngrab == ev->mode; } */ static inline void ev_focus_in(session_t *ps, XFocusChangeEvent *ev) { #ifdef DEBUG_EVENTS ev_focus_report(ev); #endif recheck_focus(ps); } inline static void ev_focus_out(session_t *ps, XFocusChangeEvent *ev) { #ifdef DEBUG_EVENTS ev_focus_report(ev); #endif recheck_focus(ps); } inline static void ev_create_notify(session_t *ps, XCreateWindowEvent *ev) { assert(ev->parent == ps->root); add_win(ps, ev->window, 0); } inline static void ev_configure_notify(session_t *ps, XConfigureEvent *ev) { #ifdef DEBUG_EVENTS printf(" { send_event: %d, " " above: %#010lx, " " override_redirect: %d }\n", ev->send_event, ev->above, ev->override_redirect); #endif configure_win(ps, ev); } inline static void ev_destroy_notify(session_t *ps, XDestroyWindowEvent *ev) { destroy_win(ps, ev->window); } inline static void ev_map_notify(session_t *ps, XMapEvent *ev) { map_win(ps, ev->window); } inline static void ev_unmap_notify(session_t *ps, XUnmapEvent *ev) { win *w = find_win(ps, ev->window); if (w) unmap_win(ps, w); } inline static void ev_reparent_notify(session_t *ps, XReparentEvent *ev) { #ifdef DEBUG_EVENTS printf_dbg(" { new_parent: %#010lx, override_redirect: %d }\n", ev->parent, ev->override_redirect); #endif if (ev->parent == ps->root) { add_win(ps, ev->window, 0); } else { destroy_win(ps, ev->window); // Reset event mask in case something wrong happens XSelectInput(ps->dpy, ev->window, determine_evmask(ps, ev->window, WIN_EVMODE_UNKNOWN)); // Check if the window is an undetected client window // Firstly, check if it's a known client window if (!find_toplevel(ps, ev->window)) { // If not, look for its frame window win *w_top = find_toplevel2(ps, ev->parent); // If found, and the client window has not been determined, or its // frame may not have a correct client, continue if (w_top && (!w_top->client_win || w_top->client_win == w_top->id)) { // If it has WM_STATE, mark it the client window if (wid_has_prop(ps, ev->window, ps->atom_client)) { w_top->wmwin = false; win_unmark_client(ps, w_top); win_mark_client(ps, w_top, ev->window); } // Otherwise, watch for WM_STATE on it else { XSelectInput(ps->dpy, ev->window, determine_evmask(ps, ev->window, WIN_EVMODE_UNKNOWN) | PropertyChangeMask); } } } } } inline static void ev_circulate_notify(session_t *ps, XCirculateEvent *ev) { circulate_win(ps, ev); } inline static void ev_expose(session_t *ps, XExposeEvent *ev) { if (ev->window == ps->root || (ps->overlay && ev->window == ps->overlay)) { int more = ev->count + 1; if (ps->n_expose == ps->size_expose) { if (ps->expose_rects) { ps->expose_rects = realloc(ps->expose_rects, (ps->size_expose + more) * sizeof(XRectangle)); ps->size_expose += more; } else { ps->expose_rects = malloc(more * sizeof(XRectangle)); ps->size_expose = more; } } ps->expose_rects[ps->n_expose].x = ev->x; ps->expose_rects[ps->n_expose].y = ev->y; ps->expose_rects[ps->n_expose].width = ev->width; ps->expose_rects[ps->n_expose].height = ev->height; ps->n_expose++; if (ev->count == 0) { expose_root(ps, ps->expose_rects, ps->n_expose); ps->n_expose = 0; } } } /** * Update current active window based on EWMH _NET_ACTIVE_WIN. * * Does not change anything if we fail to get the attribute or the window * returned could not be found. */ static void update_ewmh_active_win(session_t *ps) { // Search for the window Window wid = wid_get_prop_window(ps, ps->root, ps->atom_ewmh_active_win); win *w = find_win_all(ps, wid); // Mark the window focused. No need to unfocus the previous one. if (w) win_set_focused(ps, w, true); } inline static void ev_property_notify(session_t *ps, XPropertyEvent *ev) { #ifdef DEBUG_EVENTS { // Print out changed atom char *name = XGetAtomName(ps->dpy, ev->atom); printf_dbg(" { atom = %s }\n", name); cxfree(name); } #endif if (ps->root == ev->window) { if (ps->o.track_focus && ps->o.use_ewmh_active_win && ps->atom_ewmh_active_win == ev->atom) { update_ewmh_active_win(ps); } else { // Destroy the root "image" if the wallpaper probably changed for (int p = 0; background_props_str[p]; p++) { if (ev->atom == get_atom(ps, background_props_str[p])) { root_damaged(ps); break; } } } // Unconcerned about any other proprties on root window return; } // If WM_STATE changes if (ev->atom == ps->atom_client) { // Check whether it could be a client window if (!find_toplevel(ps, ev->window)) { // Reset event mask anyway XSelectInput(ps->dpy, ev->window, determine_evmask(ps, ev->window, WIN_EVMODE_UNKNOWN)); win *w_top = find_toplevel2(ps, ev->window); // Initialize client_win as early as possible if (w_top && (!w_top->client_win || w_top->client_win == w_top->id) && wid_has_prop(ps, ev->window, ps->atom_client)) { w_top->wmwin = false; win_unmark_client(ps, w_top); win_mark_client(ps, w_top, ev->window); } } } // If _NET_WM_WINDOW_TYPE changes... God knows why this would happen, but // there are always some stupid applications. (#144) if (ev->atom == ps->atom_win_type) { win *w = NULL; if ((w = find_toplevel(ps, ev->window))) win_upd_wintype(ps, w); } // If _NET_WM_OPACITY changes if (ev->atom == ps->atom_opacity) { win *w = NULL; if ((w = find_win(ps, ev->window))) w->opacity_prop = wid_get_opacity_prop(ps, w->id, OPAQUE); else if (ps->o.detect_client_opacity && (w = find_toplevel(ps, ev->window))) w->opacity_prop_client = wid_get_opacity_prop(ps, w->client_win, OPAQUE); if (w) { w->flags |= WFLAG_OPCT_CHANGE; } } // If frame extents property changes if (ps->o.frame_opacity && ev->atom == ps->atom_frame_extents) { win *w = find_toplevel(ps, ev->window); if (w) { get_frame_extents(ps, w, ev->window); // If frame extents change, the window needs repaint add_damage_win(ps, w); } } // If name changes if (ps->o.track_wdata && (ps->atom_name == ev->atom || ps->atom_name_ewmh == ev->atom)) { win *w = find_toplevel(ps, ev->window); if (w && 1 == win_get_name(ps, w)) { win_on_factor_change(ps, w); } } // If class changes if (ps->o.track_wdata && ps->atom_class == ev->atom) { win *w = find_toplevel(ps, ev->window); if (w) { win_get_class(ps, w); win_on_factor_change(ps, w); } } // If role changes if (ps->o.track_wdata && ps->atom_role == ev->atom) { win *w = find_toplevel(ps, ev->window); if (w && 1 == win_get_role(ps, w)) { win_on_factor_change(ps, w); } } // If _TDE_WM_WINDOW_SHADOW changes if (ps->o.respect_prop_shadow && ps->atom_compton_shadow == ev->atom) { win *w = find_win(ps, ev->window); if (w) win_update_prop_shadow(ps, w); } // If a leader property changes if ((ps->o.detect_transient && ps->atom_transient == ev->atom) || (ps->o.detect_client_leader && ps->atom_client_leader == ev->atom)) { win *w = find_toplevel(ps, ev->window); if (w) { win_update_leader(ps, w); } } // Check for other atoms we are tracking for (latom_t *platom = ps->track_atom_lst; platom; platom = platom->next) { if (platom->atom == ev->atom) { win *w = find_win(ps, ev->window); if (!w) w = find_toplevel(ps, ev->window); if (w) win_on_factor_change(ps, w); break; } } } inline static void ev_damage_notify(session_t *ps, XDamageNotifyEvent *ev) { damage_win(ps, ev); } inline static void ev_shape_notify(session_t *ps, XShapeEvent *ev) { win *w = find_win(ps, ev->window); if (!w || IsUnmapped == w->a.map_state) return; /* * Empty border_size may indicated an * unmapped/destroyed window, in which case * seemingly BadRegion errors would be triggered * if we attempt to rebuild border_size */ if (w->border_size) { // Mark the old border_size as damaged add_damage(ps, w->border_size); w->border_size = border_size(ps, w, true); // Mark the new border_size as damaged add_damage(ps, copy_region(ps, w->border_size)); } // Redo bounding shape detection and rounded corner detection win_update_shape(ps, w); update_reg_ignore_expire(ps, w); } #ifdef CONFIG_XRANDR /** * Handle ScreenChangeNotify events from X RandR extension. */ static void ev_screen_change_notify(session_t *ps, XRRScreenChangeNotifyEvent __attribute__((unused)) *ev) { if (ps->o.xinerama_shadow_crop) cxinerama_upd_scrs(ps); if (ps->o.sw_opti && !ps->o.refresh_rate) { update_refresh_rate(ps); if (!ps->refresh_rate) { fprintf(stderr, "ev_screen_change_notify(): Refresh rate detection " "failed, --sw-opti disabled."); ps->o.sw_opti = false; } } } #endif // CONFIG_XRANDR #if defined(DEBUG_EVENTS) || defined(DEBUG_RESTACK) /** * Get a window's name from window ID. */ static bool ev_window_name(session_t *ps, Window wid, char **name) { bool to_free = false; *name = ""; if (wid) { *name = "(Failed to get title)"; if (ps->root == wid) *name = "(Root window)"; else if (ps->overlay == wid) *name = "(Overlay)"; else { win *w = find_win(ps, wid); if (!w) w = find_toplevel(ps, wid); if (w && w->name) *name = w->name; else if (!(w && w->client_win && (to_free = wid_get_name(ps, w->client_win, name)))) to_free = wid_get_name(ps, wid, name); } } return to_free; } #endif static void ev_handle(session_t *ps, XEvent *ev) { if ((ev->type & 0x7f) != KeymapNotify) { discard_ignore(ps, ev->xany.serial); } #ifdef DEBUG_EVENTS if (!isdamagenotify(ps, ev)) { Window wid = ev_window(ps, ev); char *window_name = NULL; bool to_free = false; to_free = ev_window_name(ps, wid, &window_name); print_timestamp(ps); printf("event %10.10s serial %#010x window %#010lx \"%s\"\n", ev_name(ps, ev), ev_serial(ev), wid, window_name); if (to_free) { cxfree(window_name); window_name = NULL; } } #endif switch (ev->type) { case FocusIn: ev_focus_in(ps, (XFocusChangeEvent *)ev); break; case FocusOut: ev_focus_out(ps, (XFocusChangeEvent *)ev); break; case CreateNotify: ev_create_notify(ps, (XCreateWindowEvent *)ev); break; case ConfigureNotify: ev_configure_notify(ps, (XConfigureEvent *)ev); break; case DestroyNotify: ev_destroy_notify(ps, (XDestroyWindowEvent *)ev); break; case MapNotify: ev_map_notify(ps, (XMapEvent *)ev); break; case UnmapNotify: ev_unmap_notify(ps, (XUnmapEvent *)ev); break; case ReparentNotify: ev_reparent_notify(ps, (XReparentEvent *)ev); break; case CirculateNotify: ev_circulate_notify(ps, (XCirculateEvent *)ev); break; case Expose: ev_expose(ps, (XExposeEvent *)ev); break; case PropertyNotify: ev_property_notify(ps, (XPropertyEvent *)ev); break; default: if (ps->shape_exists && ev->type == ps->shape_event) { ev_shape_notify(ps, (XShapeEvent *) ev); break; } #ifdef CONFIG_XRANDR if (ps->randr_exists && ev->type == (ps->randr_event + RRScreenChangeNotify)) { ev_screen_change_notify(ps, (XRRScreenChangeNotifyEvent *) ev); break; } #endif // CONFIG_XRANDR if (isdamagenotify(ps, ev)) { ev_damage_notify(ps, (XDamageNotifyEvent *) ev); break; } } } // === Main === /** * Print usage text and exit. */ static void usage(int ret) { #define WARNING_DISABLED " (DISABLED AT COMPILE TIME)" #define WARNING const static char *usage_text = "compton (" COMPTON_VERSION ")\n" "usage: compton [options]\n" "Options:\n" "\n" "-d display\n" " Which display should be managed.\n" "-r radius\n" " The blur radius for shadows. (default 12)\n" "-o opacity\n" " The translucency for shadows. (default .75)\n" "-l left-offset\n" " The left offset for shadows. (default -15)\n" "-t top-offset\n" " The top offset for shadows. (default -15)\n" "-I fade-in-step\n" " Opacity change between steps while fading in. (default 0.028)\n" "-O fade-out-step\n" " Opacity change between steps while fading out. (default 0.03)\n" "-D fade-delta-time\n" " The time between steps in a fade in milliseconds. (default 10)\n" "-m opacity\n" " The opacity for menus. (default 1.0)\n" "-c\n" " Enabled client-side shadows on windows.\n" "-C\n" " Avoid drawing shadows on dock/panel windows.\n" "-z\n" " Zero the part of the shadow's mask behind the window (experimental).\n" "-f\n" " Fade windows in/out when opening/closing and when opacity\n" " changes, unless --no-fading-openclose is used.\n" "-F\n" " Equals -f. Deprecated.\n" "-i opacity\n" " Opacity of inactive windows. (0.1 - 1.0)\n" "-e opacity\n" " Opacity of window titlebars and borders. (0.1 - 1.0)\n" "-G\n" " Don't draw shadows on DND windows\n" "-b\n" " Daemonize process.\n" "-S\n" " Enable synchronous operation (for debugging).\n" "--show-all-xerrors\n" " Show all X errors (for debugging).\n" "-v\n" " Print version Number and exit\\n" "--config path\n" " Look for configuration file at the path.\n" "--write-pid-path path\n" " Write process ID to a file.\n" "--shadow-red value\n" " Red color value of shadow (0.0 - 1.0, defaults to 0).\n" "--shadow-green value\n" " Green color value of shadow (0.0 - 1.0, defaults to 0).\n" "--shadow-blue value\n" " Blue color value of shadow (0.0 - 1.0, defaults to 0).\n" "--inactive-opacity-override\n" " Inactive opacity set by -i overrides value of _NET_WM_OPACITY.\n" "--inactive-dim value\n" " Dim inactive windows. (0.0 - 1.0, defaults to 0)\n" "--active-opacity opacity\n" " Default opacity for active windows. (0.0 - 1.0)\n" "--mark-wmwin-focused\n" " Try to detect WM windows and mark them as active.\n" "--shadow-exclude condition\n" " Exclude conditions for shadows.\n" "--fade-exclude condition\n" " Exclude conditions for fading.\n" "--mark-ovredir-focused\n" " Mark windows that have no WM frame as active.\n" "--no-fading-openclose\n" " Do not fade on window open/close.\n" "--no-fading-destroyed-argb\n" " Do not fade destroyed ARGB windows with WM frame. Workaround of bugs\n" " in Openbox, Fluxbox, etc.\n" "--no-fading-opacitychange\n" " Do not fade on window opacity change.\n" "--shadow-ignore-shaped\n" " Do not paint shadows on shaped windows. (Deprecated, use\n" " --shadow-exclude \'bounding_shaped\' or\n" " --shadow-exclude \'bounding_shaped && !rounded_corners\' instead.)\n" "--detect-rounded-corners\n" " Try to detect windows with rounded corners and don't consider\n" " them shaped windows. Affects --shadow-ignore-shaped,\n" " --unredir-if-possible, and possibly others. You need to turn this\n" " on manually if you want to match against rounded_corners in\n" " conditions.\n" "--detect-client-opacity\n" " Detect _NET_WM_OPACITY on client windows, useful for window\n" " managers not passing _NET_WM_OPACITY of client windows to frame\n" " windows.\n" #ifndef CONFIG_XRANDR #define WARNING " (AUTODETECTION DISABLED AT COMPILE TIME)" #else #define WARNING #endif "--refresh-rate val\n" " Specify refresh rate of the screen. If not specified or 0, compton\n" " will try detecting this with X RandR extension."WARNING"\n" "--vsync vsync-method\n" " Set VSync method. There are up to 4 VSync methods currently available.\n" " none = No VSync\n" #undef WARNING #ifndef CONFIG_VSYNC_DRM #define WARNING WARNING_DISABLED #else #define WARNING #endif " drm = VSync with DRM_IOCTL_WAIT_VBLANK. May only work on some\n" " drivers." WARNING "\n" #undef WARNING #ifndef CONFIG_VSYNC_OPENGL #define WARNING WARNING_DISABLED #else #define WARNING #endif " opengl = Try to VSync with SGI_video_sync OpenGL extension. Only\n" " work on some drivers." WARNING"\n" " opengl-oml = Try to VSync with OML_sync_control OpenGL extension.\n" " Only work on some drivers. Experimental." WARNING"\n" " opengl-swc = Try to VSync with SGI_swap_control OpenGL extension.\n" " Only work on some drivers. Works only with GLX backend.\n" " Does not actually control paint timing, only buffer swap is\n" " affected, so it doesn't have the effect of --sw-opti unlike\n" " other methods." WARNING "\n" " opengl-mswc = Try to VSync with MESA_swap_control OpenGL\n" " extension. Basically the same as opengl-swc above, except the\n" " extension we use." WARNING "\n" "--vsync-aggressive\n" " Attempt to send painting request before VBlank and do XFlush()\n" " during VBlank. This switch may be lifted out at any moment.\n" "--alpha-step val\n" " X Render backend: Step for pregenerating alpha pictures. \n" " 0.01 - 1.0. Defaults to 0.03.\n" "--dbe\n" " Enable DBE painting mode, intended to use with VSync to\n" " (hopefully) eliminate tearing.\n" "--paint-on-overlay\n" " Painting on X Composite overlay window.\n" "--sw-opti\n" " Limit compton to repaint at most once every 1 / refresh_rate\n" " second to boost performance.\n" "--use-ewmh-active-win\n" " Use _NET_WM_ACTIVE_WINDOW on the root window to determine which\n" " window is focused instead of using FocusIn/Out events.\n" "--respect-prop-shadow\n" " Respect _TDE_WM_WINDOW_SHADOW. This a prototype-level feature, which\n" " you must not rely on.\n" "--unredir-if-possible\n" " Unredirect all windows if a full-screen opaque window is\n" " detected, to maximize performance for full-screen windows.\n" "--unredir-if-possible-delay ms\n" " Delay before unredirecting the window, in milliseconds.\n" " Defaults to 0.\n" "--unredir-if-possible-exclude condition\n" " Conditions of windows that shouldn't be considered full-screen\n" " for unredirecting screen.\n" "--focus-exclude condition\n" " Specify a list of conditions of windows that should always be\n" " considered focused.\n" "--inactive-dim-fixed\n" " Use fixed inactive dim value.\n" "--detect-transient\n" " Use WM_TRANSIENT_FOR to group windows, and consider windows in\n" " the same group focused at the same time.\n" "--detect-client-leader\n" " Use WM_CLIENT_LEADER to group windows, and consider windows in\n" " the same group focused at the same time. WM_TRANSIENT_FOR has\n" " higher priority if --detect-transient is enabled, too.\n" "--blur-background\n" " Blur background of semi-transparent / ARGB windows. Bad in\n" " performance. The switch name may change without prior\n" " notifications.\n" "--blur-background-frame\n" " Blur background of windows when the window frame is not opaque.\n" " Implies --blur-background. Bad in performance. The switch name\n" " may change.\n" "--blur-background-fixed\n" " Use fixed blur strength instead of adjusting according to window\n" " opacity.\n" "--blur-kern matrix\n" " Specify the blur convolution kernel, with the following format:\n" " WIDTH,HEIGHT,ELE1,ELE2,ELE3,ELE4,ELE5...\n" " The element in the center must not be included, it will be forever\n" " 1.0 or changing based on opacity, depending on whether you have\n" " --blur-background-fixed.\n" " A 7x7 Gaussian blur kernel looks like:\n" " --blur-kern '7,7,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003,0.000102,0.003494,0.029143,0.059106,0.029143,0.003494,0.000102,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.001723,0.059106,0.493069,0.493069,0.059106,0.001723,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.000102,0.003494,0.029143,0.059106,0.029143,0.003494,0.000102,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003'\n" " Up to 4 blur kernels may be specified, separated with semicolon, for\n" " multi-pass blur.\n" " May also be one the predefined kernels: 3x3box (default), 5x5box,\n" " 7x7box, 3x3gaussian, 5x5gaussian, 7x7gaussian, 9x9gaussian,\n" " 11x11gaussian.\n" "--blur-background-exclude condition\n" " Exclude conditions for background blur.\n" "--greyscale-background\n" " Set background of semi-transparent / ARGB windows to greyscale.\n" " The switch name may change without prior notifications.\n" "--greyscale-background-exclude condition\n" " Exclude conditions for greyscale background.\n" "--resize-damage integer\n" " Resize damaged region by a specific number of pixels. A positive\n" " value enlarges it while a negative one shrinks it. Useful for\n" " fixing the line corruption issues of blur. May or may not\n" " work with --glx-no-stencil. Shrinking doesn't function correctly.\n" "--invert-color-include condition\n" " Specify a list of conditions of windows that should be painted with\n" " inverted color. Resource-hogging, and is not well tested.\n" "--opacity-rule opacity:condition\n" " Specify a list of opacity rules, in the format \"PERCENT:PATTERN\",\n" " like \'50:name *= \"Firefox\"'. compton-trans is recommended over\n" " this. Note we do not distinguish 100% and unset, and we don't make\n" " any guarantee about possible conflicts with other programs that set\n" " _NET_WM_WINDOW_OPACITY on frame or client windows.\n" "--shadow-exclude-reg geometry\n" " Specify a X geometry that describes the region in which shadow\n" " should not be painted in, such as a dock window region.\n" " Use --shadow-exclude-reg \'x10+0-0\', for example, if the 10 pixels\n" " on the bottom of the screen should not have shadows painted on.\n" #undef WARNING #ifndef CONFIG_XINERAMA #define WARNING WARNING_DISABLED #else #define WARNING #endif "--xinerama-shadow-crop\n" " Crop shadow of a window fully on a particular Xinerama screen to the\n" " screen." WARNING "\n" "--backend backend\n" " Choose backend. Possible choices are xrender, glx, and\n" " xr_glx_hybrid" WARNING ".\n" "--glx-no-stencil\n" " GLX backend: Avoid using stencil buffer. Might cause issues\n" " when rendering transparent content. My tests show a 15% performance\n" " boost.\n" "--glx-copy-from-front\n" " GLX backend: Copy unmodified regions from front buffer instead of\n" " redrawing them all. My tests with nvidia-drivers show a 5% decrease\n" " in performance when the whole screen is modified, but a 30% increase\n" " when only 1/4 is. My tests on nouveau show terrible slowdown. Could\n" " work with --glx-swap-method but not --glx-use-copysubbuffermesa.\n" "--glx-use-copysubbuffermesa\n" " GLX backend: Use MESA_copy_sub_buffer to do partial screen update.\n" " My tests on nouveau shows a 200% performance boost when only 1/4 of\n" " the screen is updated. May break VSync and is not available on some\n" " drivers. Overrides --glx-copy-from-front.\n" "--glx-no-rebind-pixmap\n" " GLX backend: Avoid rebinding pixmap on window damage. Probably\n" " could improve performance on rapid window content changes, but is\n" " known to break things on some drivers (LLVMpipe, xf86-video-intel,\n" " etc.).\n" "--glx-swap-method undefined/copy/exchange/3/4/5/6/buffer-age\n" " GLX backend: GLX buffer swap method we assume. Could be\n" " undefined (0), copy (1), exchange (2), 3-6, or buffer-age (-1).\n" " \"undefined\" is the slowest and the safest, and the default value.\n" " 1 is fastest, but may fail on some drivers, 2-6 are gradually slower\n" " but safer (6 is still faster than 0). -1 means auto-detect using\n" " GLX_EXT_buffer_age, supported by some drivers. Useless with\n" " --glx-use-copysubbuffermesa.\n" "--glx-use-gpushader4\n" " GLX backend: Use GL_EXT_gpu_shader4 for some optimization on blur\n" " GLSL code. My tests on GTX 670 show no noticeable effect.\n" "--xrender-sync\n" " Attempt to synchronize client applications' draw calls with XSync(),\n" " used on GLX backend to ensure up-to-date window content is painted.\n" #undef WARNING #ifndef CONFIG_XSYNC #define WARNING WARNING_DISABLED #else #define WARNING #endif "--xrender-sync-fence\n" " Additionally use X Sync fence to sync clients' draw calls. Needed\n" " on nvidia-drivers with GLX backend for some users." WARNING "\n" #undef WARNING #ifndef CONFIG_DBUS #define WARNING WARNING_DISABLED #else #define WARNING #endif "--glx-fshader-win shader\n" " GLX backend: Use specified GLSL fragment shader for rendering window\n" " contents.\n" "--force-win-blend\n" " Force all windows to be painted with blending. Useful if you have a\n" " --glx-fshader-win that could turn opaque pixels transparent.\n" "--dbus\n" " Enable remote control via D-Bus. See the D-BUS API section in the\n" " man page for more details." WARNING "\n" "--benchmark cycles\n" " Benchmark mode. Repeatedly paint until reaching the specified cycles.\n" "--benchmark-wid window-id\n" " Specify window ID to repaint in benchmark mode. If omitted or is 0,\n" " the whole screen is repainted.\n" ; FILE *f = (ret ? stderr: stdout); fputs(usage_text, f); #undef WARNING #undef WARNING_DISABLED exit(ret); } /** * Register a window as symbol, and initialize GLX context if wanted. */ static bool register_cm(session_t *ps) { assert(!ps->reg_win); ps->reg_win = XCreateSimpleWindow(ps->dpy, ps->root, 0, 0, 1, 1, 0, None, None); if (!ps->reg_win) { printf_errf("(): Failed to create window."); return false; } // Unredirect the window if it's redirected, just in case if (ps->redirected) XCompositeUnredirectWindow(ps->dpy, ps->reg_win, CompositeRedirectManual); { XClassHint *h = XAllocClassHint(); if (h) { h->res_name = "compton"; h->res_class = "xcompmgr"; } Xutf8SetWMProperties(ps->dpy, ps->reg_win, "xcompmgr", "xcompmgr", NULL, 0, NULL, NULL, h); cxfree(h); } // Set _NET_WM_PID { long pid = getpid(); if (!XChangeProperty(ps->dpy, ps->reg_win, get_atom(ps, "_NET_WM_PID"), XA_CARDINAL, 32, PropModeReplace, (unsigned char *) &pid, 1)) { printf_errf("(): Failed to set _NET_WM_PID."); } } // Set COMPTON_VERSION if (!wid_set_text_prop(ps, ps->reg_win, get_atom(ps, "COMPTON_VERSION"), COMPTON_VERSION)) { printf_errf("(): Failed to set COMPTON_VERSION."); } // Acquire X Selection _NET_WM_CM_S? if (!ps->o.no_x_selection) { unsigned len = strlen(REGISTER_PROP) + 2; int s = ps->scr; while (s >= 10) { ++len; s /= 10; } Window w; Atom a; static char net_wm_cm[] = "_NET_WM_CM_Sxx"; snprintf (net_wm_cm, sizeof (net_wm_cm), "_NET_WM_CM_S%d", ps->scr); a = XInternAtom (ps->dpy, net_wm_cm, False); char *buf = malloc(len); snprintf(buf, len, REGISTER_PROP "%d", ps->scr); buf[len - 1] = '\0'; // setting this causes compton to abort on TDE login // XSetSelectionOwner(ps->dpy, get_atom(ps, buf), ps->reg_win, 0); free(buf); } return true; } /** * Reopen streams for logging. */ static bool ostream_reopen(session_t *ps, const char *path) { if (!path) path = ps->o.logpath; if (!path) path = "/dev/null"; bool success = freopen(path, "a", stdout); success = freopen(path, "a", stderr) && success; if (!success) printf_errfq(1, "(%s): freopen() failed.", path); return success; } /** * Fork program to background and disable all I/O streams. */ static inline bool fork_after(session_t *ps) { if (getppid() == 1) return true; #ifdef CONFIG_VSYNC_OPENGL // GLX context must be released and reattached on fork if (glx_has_context(ps) && !glXMakeCurrent(ps->dpy, None, NULL)) { printf_errf("(): Failed to detach GLx context."); return false; } #endif int pid = fork(); if (-1 == pid) { printf_errf("(): fork() failed."); return false; } if (pid > 0) _exit(0); setsid(); #ifdef CONFIG_VSYNC_OPENGL if (glx_has_context(ps) && !glXMakeCurrent(ps->dpy, get_tgt_window(ps), ps->psglx->context)) { printf_errf("(): Failed to make GLX context current."); return false; } #endif // Mainly to suppress the _FORTIFY_SOURCE warning bool success = freopen("/dev/null", "r", stdin); if (!success) { printf_errf("(): freopen() failed."); return false; } success = ostream_reopen(ps, NULL); return success; } /** * Write PID to a file. */ static inline bool write_pid(session_t *ps) { if (!ps->o.write_pid_path) return true; FILE *f = fopen(ps->o.write_pid_path, "w"); if (unlikely(!f)) { printf_errf("(): Failed to write PID to \"%s\".", ps->o.write_pid_path); return false; } fprintf(f, "%ld\n", (long) getpid()); fclose(f); return true; } /** * Parse a long number. */ static inline bool parse_long(const char *s, long *dest) { const char *endptr = NULL; long val = strtol(s, (char **) &endptr, 0); if (!endptr || endptr == s) { printf_errf("(\"%s\"): Invalid number.", s); return false; } while (isspace(*endptr)) ++endptr; if (*endptr) { printf_errf("(\"%s\"): Trailing characters.", s); return false; } *dest = val; return true; } /** * Parse a floating-point number in matrix. */ static inline const char * parse_matrix_readnum(const char *src, double *dest) { char *pc = NULL; double val = strtod(src, &pc); if (!pc || pc == src) { printf_errf("(\"%s\"): No number found.", src); return src; } while (*pc && (isspace(*pc) || ',' == *pc)) ++pc; *dest = val; return pc; } /** * Parse a matrix. */ static inline XFixed * parse_matrix(session_t *ps, const char *src, const char **endptr) { int wid = 0, hei = 0; const char *pc = NULL; XFixed *matrix = NULL; // Get matrix width and height { double val = 0.0; if (src == (pc = parse_matrix_readnum(src, &val))) goto parse_matrix_err; src = pc; wid = val; if (src == (pc = parse_matrix_readnum(src, &val))) goto parse_matrix_err; src = pc; hei = val; } // Validate matrix width and height if (wid <= 0 || hei <= 0) { printf_errf("(): Invalid matrix width/height."); goto parse_matrix_err; } if (!(wid % 2 && hei % 2)) { printf_errf("(): Width/height not odd."); goto parse_matrix_err; } if (wid > 16 || hei > 16) { printf_errf("(): Matrix width/height too large."); goto parse_matrix_err; } // Allocate memory matrix = calloc(wid * hei + 2, sizeof(XFixed)); if (!matrix) { printf_errf("(): Failed to allocate memory for matrix."); goto parse_matrix_err; } // Read elements { int skip = hei / 2 * wid + wid / 2; bool hasneg = false; for (int i = 0; i < wid * hei; ++i) { // Ignore the center element if (i == skip) { matrix[2 + i] = XDoubleToFixed(0); continue; } double val = 0; if (src == (pc = parse_matrix_readnum(src, &val))) goto parse_matrix_err; src = pc; if (val < 0) hasneg = true; matrix[2 + i] = XDoubleToFixed(val); } if (BKEND_XRENDER == ps->o.backend && hasneg) printf_errf("(): A convolution kernel with negative values " "may not work properly under X Render backend."); } // Detect trailing characters for ( ;*pc && ';' != *pc; ++pc) if (!isspace(*pc) && ',' != *pc) { printf_errf("(): Trailing characters in matrix string."); goto parse_matrix_err; } // Jump over spaces after ';' if (';' == *pc) { ++pc; while (*pc && isspace(*pc)) ++pc; } // Require an end of string if endptr is not provided, otherwise // copy end pointer to endptr if (endptr) *endptr = pc; else if (*pc) { printf_errf("(): Only one matrix expected."); goto parse_matrix_err; } // Fill in width and height matrix[0] = XDoubleToFixed(wid); matrix[1] = XDoubleToFixed(hei); return matrix; parse_matrix_err: free(matrix); return NULL; } /** * Parse a convolution kernel. */ static inline XFixed * parse_conv_kern(session_t *ps, const char *src, const char **endptr) { return parse_matrix(ps, src, endptr); } /** * Parse a list of convolution kernels. */ static bool parse_conv_kern_lst(session_t *ps, const char *src, XFixed **dest, int max) { static const struct { const char *name; const char *kern_str; } CONV_KERN_PREDEF[] = { { "3x3box", "3,3,1,1,1,1,1,1,1,1," }, { "5x5box", "5,5,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1," }, { "7x7box", "7,7,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1," }, { "3x3gaussian", "3,3,0.243117,0.493069,0.243117,0.493069,0.493069,0.243117,0.493069,0.243117," }, { "5x5gaussian", "5,5,0.003493,0.029143,0.059106,0.029143,0.003493,0.029143,0.243117,0.493069,0.243117,0.029143,0.059106,0.493069,0.493069,0.059106,0.029143,0.243117,0.493069,0.243117,0.029143,0.003493,0.029143,0.059106,0.029143,0.003493," }, { "7x7gaussian", "7,7,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003,0.000102,0.003493,0.029143,0.059106,0.029143,0.003493,0.000102,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.001723,0.059106,0.493069,0.493069,0.059106,0.001723,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.000102,0.003493,0.029143,0.059106,0.029143,0.003493,0.000102,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003," }, { "9x9gaussian", "9,9,0.000000,0.000000,0.000001,0.000006,0.000012,0.000006,0.000001,0.000000,0.000000,0.000000,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003,0.000000,0.000001,0.000102,0.003493,0.029143,0.059106,0.029143,0.003493,0.000102,0.000001,0.000006,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.000006,0.000012,0.001723,0.059106,0.493069,0.493069,0.059106,0.001723,0.000012,0.000006,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.000006,0.000001,0.000102,0.003493,0.029143,0.059106,0.029143,0.003493,0.000102,0.000001,0.000000,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003,0.000000,0.000000,0.000000,0.000001,0.000006,0.000012,0.000006,0.000001,0.000000,0.000000," }, { "11x11gaussian", "11,11,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000001,0.000006,0.000012,0.000006,0.000001,0.000000,0.000000,0.000000,0.000000,0.000000,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003,0.000000,0.000000,0.000000,0.000001,0.000102,0.003493,0.029143,0.059106,0.029143,0.003493,0.000102,0.000001,0.000000,0.000000,0.000006,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.000006,0.000000,0.000000,0.000012,0.001723,0.059106,0.493069,0.493069,0.059106,0.001723,0.000012,0.000000,0.000000,0.000006,0.000849,0.029143,0.243117,0.493069,0.243117,0.029143,0.000849,0.000006,0.000000,0.000000,0.000001,0.000102,0.003493,0.029143,0.059106,0.029143,0.003493,0.000102,0.000001,0.000000,0.000000,0.000000,0.000003,0.000102,0.000849,0.001723,0.000849,0.000102,0.000003,0.000000,0.000000,0.000000,0.000000,0.000000,0.000001,0.000006,0.000012,0.000006,0.000001,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000," }, }; for (int i = 0; i < sizeof(CONV_KERN_PREDEF) / sizeof(CONV_KERN_PREDEF[0]); ++i) if (!strcmp(CONV_KERN_PREDEF[i].name, src)) return parse_conv_kern_lst(ps, CONV_KERN_PREDEF[i].kern_str, dest, max); int i = 0; const char *pc = src; // Free old kernels for (i = 0; i < max; ++i) { free(dest[i]); dest[i] = NULL; } // Continue parsing until the end of source string i = 0; while (pc && *pc && i < max - 1) { if (!(dest[i++] = parse_conv_kern(ps, pc, &pc))) return false; } if (*pc) { printf_errf("(): Too many blur kernels!"); return false; } return true; } /** * Parse a X geometry. */ static inline bool parse_geometry(session_t *ps, const char *src, geometry_t *dest) { geometry_t geom = { .wid = -1, .hei = -1, .x = -1, .y = -1 }; long val = 0L; char *endptr = NULL; #define T_STRIPSPACE() do { \ while (*src && isspace(*src)) ++src; \ if (!*src) goto parse_geometry_end; \ } while(0) T_STRIPSPACE(); // Parse width // Must be base 10, because "0x0..." may appear if (!('+' == *src || '-' == *src)) { val = strtol(src, &endptr, 10); if (endptr && src != endptr) { geom.wid = val; assert(geom.wid >= 0); src = endptr; } T_STRIPSPACE(); } // Parse height if ('x' == *src) { ++src; val = strtol(src, &endptr, 10); if (endptr && src != endptr) { geom.hei = val; if (geom.hei < 0) { printf_errf("(\"%s\"): Invalid height.", src); return false; } src = endptr; } T_STRIPSPACE(); } // Parse x if ('+' == *src || '-' == *src) { val = strtol(src, &endptr, 10); if (endptr && src != endptr) { geom.x = val; if ('-' == *src && geom.x <= 0) geom.x -= 2; src = endptr; } T_STRIPSPACE(); } // Parse y if ('+' == *src || '-' == *src) { val = strtol(src, &endptr, 10); if (endptr && src != endptr) { geom.y = val; if ('-' == *src && geom.y <= 0) geom.y -= 2; src = endptr; } T_STRIPSPACE(); } if (*src) { printf_errf("(\"%s\"): Trailing characters.", src); return false; } parse_geometry_end: *dest = geom; return true; } /** * Parse a list of opacity rules. */ static inline bool parse_rule_opacity(session_t *ps, const char *src) { #ifdef CONFIG_C2 // Find opacity value char *endptr = NULL; long val = strtol(src, &endptr, 0); if (!endptr || endptr == src) { printf_errf("(\"%s\"): No opacity specified?", src); return false; } if (val > 100 || val < 0) { printf_errf("(\"%s\"): Opacity %ld invalid.", src, val); return false; } // Skip over spaces while (*endptr && isspace(*endptr)) ++endptr; if (':' != *endptr) { printf_errf("(\"%s\"): Opacity terminator not found.", src); return false; } ++endptr; // Parse pattern // I hope 1-100 is acceptable for (void *) return c2_parsed(ps, &ps->o.opacity_rules, endptr, (void *) val); #else printf_errf("(\"%s\"): Condition support not compiled in.", src); return false; #endif } #ifdef CONFIG_LIBCONFIG /** * Get a file stream of the configuration file to read. * * Follows the XDG specification to search for the configuration file. */ static FILE * open_config_file(char *cpath, char **ppath) { const static char *config_filename = "/compton-tde.conf"; const static char *config_filename_legacy = "/.compton-tde.conf"; const static char *config_home_suffix = "/.config"; const static char *config_system_dir = "/etc/xdg"; char *dir = NULL, *home = NULL; char *path = cpath; FILE *f = NULL; if (path) { f = fopen(path, "r"); if (f && ppath) *ppath = path; return f; } // Check user configuration file in $XDG_CONFIG_HOME firstly if (!((dir = getenv("XDG_CONFIG_HOME")) && strlen(dir))) { if (!((home = getenv("HOME")) && strlen(home))) return NULL; path = mstrjoin3(home, config_home_suffix, config_filename); } else path = mstrjoin(dir, config_filename); f = fopen(path, "r"); if (f && ppath) *ppath = path; else free(path); if (f) return f; // Then check user configuration file in $HOME if ((home = getenv("HOME")) && strlen(home)) { path = mstrjoin(home, config_filename_legacy); f = fopen(path, "r"); if (f && ppath) *ppath = path; else free(path); if (f) return f; } // Check system configuration file in $XDG_CONFIG_DIRS at last if ((dir = getenv("XDG_CONFIG_DIRS")) && strlen(dir)) { char *part = strtok(dir, ":"); while (part) { path = mstrjoin(part, config_filename); f = fopen(path, "r"); if (f && ppath) *ppath = path; else free(path); if (f) return f; part = strtok(NULL, ":"); } } else { path = mstrjoin(config_system_dir, config_filename); f = fopen(path, "r"); if (f && ppath) *ppath = path; else free(path); if (f) return f; } return NULL; } /** * Parse a condition list in configuration file. */ static inline void parse_cfg_condlst(session_t *ps, const config_t *pcfg, c2_lptr_t **pcondlst, const char *name) { config_setting_t *setting = config_lookup(pcfg, name); if (setting) { // Parse an array of options if (config_setting_is_array(setting)) { int i = config_setting_length(setting); while (i--) condlst_add(ps, pcondlst, config_setting_get_string_elem(setting, i)); } // Treat it as a single pattern if it's a string else if (CONFIG_TYPE_STRING == config_setting_type(setting)) { condlst_add(ps, pcondlst, config_setting_get_string(setting)); } } } /** * Parse an opacity rule list in configuration file. */ static inline void parse_cfg_condlst_opct(session_t *ps, const config_t *pcfg, const char *name) { config_setting_t *setting = config_lookup(pcfg, name); if (setting) { // Parse an array of options if (config_setting_is_array(setting)) { int i = config_setting_length(setting); while (i--) if (!parse_rule_opacity(ps, config_setting_get_string_elem(setting, i))) exit(1); } // Treat it as a single pattern if it's a string else if (CONFIG_TYPE_STRING == config_setting_type(setting)) { parse_rule_opacity(ps, config_setting_get_string(setting)); } } } /** * Parse a configuration file from default location. */ static void parse_config(session_t *ps, struct options_tmp *pcfgtmp) { char *path = NULL; FILE *f; config_t cfg; int ival = 0; double dval = 0.0; // libconfig manages string memory itself, so no need to manually free // anything const char *sval = NULL; f = open_config_file(ps->o.config_file, &path); if (!f) { if (ps->o.config_file) { printf_errfq(1, "(): Failed to read configuration file \"%s\".", ps->o.config_file); free(ps->o.config_file); ps->o.config_file = NULL; } return; } config_init(&cfg); #ifndef CONFIG_LIBCONFIG_LEGACY { // dirname() could modify the original string, thus we must pass a // copy char *path2 = mstrcpy(path); char *parent = dirname(path2); if (parent) config_set_include_dir(&cfg, parent); free(path2); } #endif if (CONFIG_FALSE == config_read(&cfg, f)) { printf("Error when reading configuration file \"%s\", line %d: %s\n", path, config_error_line(&cfg), config_error_text(&cfg)); config_destroy(&cfg); free(path); return; } config_set_auto_convert(&cfg, 1); if (path != ps->o.config_file) { free(ps->o.config_file); ps->o.config_file = path; } // Get options from the configuration file. We don't do range checking // right now. It will be done later // -D (fade_delta) if (lcfg_lookup_int(&cfg, "fade-delta", &ival)) ps->o.fade_delta = ival; // -I (fade_in_step) if (config_lookup_float(&cfg, "fade-in-step", &dval)) ps->o.fade_in_step = normalize_d(dval) * OPAQUE; // -O (fade_out_step) if (config_lookup_float(&cfg, "fade-out-step", &dval)) ps->o.fade_out_step = normalize_d(dval) * OPAQUE; // -r (shadow_radius) lcfg_lookup_int(&cfg, "shadow-radius", &ps->o.shadow_radius); // -o (shadow_opacity) config_lookup_float(&cfg, "shadow-opacity", &ps->o.shadow_opacity); // -l (shadow_offset_x) lcfg_lookup_int(&cfg, "shadow-offset-x", &ps->o.shadow_offset_x); // -t (shadow_offset_y) lcfg_lookup_int(&cfg, "shadow-offset-y", &ps->o.shadow_offset_y); // -i (inactive_opacity) if (config_lookup_float(&cfg, "inactive-opacity", &dval)) ps->o.inactive_opacity = normalize_d(dval) * OPAQUE; // --active_opacity if (config_lookup_float(&cfg, "active-opacity", &dval)) ps->o.active_opacity = normalize_d(dval) * OPAQUE; // -e (frame_opacity) config_lookup_float(&cfg, "frame-opacity", &ps->o.frame_opacity); // -z (clear_shadow) lcfg_lookup_bool(&cfg, "clear-shadow", &ps->o.clear_shadow); // -c (shadow_enable) if (config_lookup_bool(&cfg, "shadow", &ival) && ival) wintype_arr_enable(ps->o.wintype_shadow); // -C (no_dock_shadow) lcfg_lookup_bool(&cfg, "no-dock-shadow", &pcfgtmp->no_dock_shadow); // -G (no_dnd_shadow) lcfg_lookup_bool(&cfg, "no-dnd-shadow", &pcfgtmp->no_dnd_shadow); // -m (menu_opacity) config_lookup_float(&cfg, "menu-opacity", &pcfgtmp->menu_opacity); // -f (fading_enable) if (config_lookup_bool(&cfg, "fading", &ival) && ival) wintype_arr_enable(ps->o.wintype_fade); // --no-fading-open-close lcfg_lookup_bool(&cfg, "no-fading-openclose", &ps->o.no_fading_openclose); // --no-fading-destroyed-argb lcfg_lookup_bool(&cfg, "no-fading-destroyed-argb", &ps->o.no_fading_destroyed_argb); // --no-fading-opacitychange lcfg_lookup_bool(&cfg, "no-fading-opacitychange", &ps->o.no_fading_opacitychange); // --shadow-red config_lookup_float(&cfg, "shadow-red", &ps->o.shadow_red); // --shadow-green config_lookup_float(&cfg, "shadow-green", &ps->o.shadow_green); // --shadow-blue config_lookup_float(&cfg, "shadow-blue", &ps->o.shadow_blue); // --shadow-exclude-reg if (config_lookup_string(&cfg, "shadow-exclude-reg", &sval) && !parse_geometry(ps, sval, &ps->o.shadow_exclude_reg_geom)) exit(1); // --inactive-opacity-override lcfg_lookup_bool(&cfg, "inactive-opacity-override", &ps->o.inactive_opacity_override); // --inactive-dim config_lookup_float(&cfg, "inactive-dim", &ps->o.inactive_dim); // --mark-wmwin-focused lcfg_lookup_bool(&cfg, "mark-wmwin-focused", &ps->o.mark_wmwin_focused); // --mark-ovredir-focused lcfg_lookup_bool(&cfg, "mark-ovredir-focused", &ps->o.mark_ovredir_focused); // --shadow-ignore-shaped lcfg_lookup_bool(&cfg, "shadow-ignore-shaped", &ps->o.shadow_ignore_shaped); // --detect-rounded-corners lcfg_lookup_bool(&cfg, "detect-rounded-corners", &ps->o.detect_rounded_corners); // --xinerama-shadow-crop lcfg_lookup_bool(&cfg, "xinerama-shadow-crop", &ps->o.xinerama_shadow_crop); // --detect-client-opacity lcfg_lookup_bool(&cfg, "detect-client-opacity", &ps->o.detect_client_opacity); // --refresh-rate lcfg_lookup_int(&cfg, "refresh-rate", &ps->o.refresh_rate); // --vsync if (config_lookup_string(&cfg, "vsync", &sval) && !parse_vsync(ps, sval)) exit(1); // --backend if (config_lookup_string(&cfg, "backend", &sval) && !parse_backend(ps, sval)) exit(1); // --alpha-step config_lookup_float(&cfg, "alpha-step", &ps->o.alpha_step); // --dbe lcfg_lookup_bool(&cfg, "dbe", &ps->o.dbe); // --paint-on-overlay lcfg_lookup_bool(&cfg, "paint-on-overlay", &ps->o.paint_on_overlay); // --sw-opti lcfg_lookup_bool(&cfg, "sw-opti", &ps->o.sw_opti); // --use-ewmh-active-win lcfg_lookup_bool(&cfg, "use-ewmh-active-win", &ps->o.use_ewmh_active_win); // --unredir-if-possible lcfg_lookup_bool(&cfg, "unredir-if-possible", &ps->o.unredir_if_possible); // --unredir-if-possible-delay if (lcfg_lookup_int(&cfg, "unredir-if-possible-delay", &ival)) ps->o.unredir_if_possible_delay = ival; // --inactive-dim-fixed lcfg_lookup_bool(&cfg, "inactive-dim-fixed", &ps->o.inactive_dim_fixed); // --detect-transient lcfg_lookup_bool(&cfg, "detect-transient", &ps->o.detect_transient); // --detect-client-leader lcfg_lookup_bool(&cfg, "detect-client-leader", &ps->o.detect_client_leader); // --shadow-exclude parse_cfg_condlst(ps, &cfg, &ps->o.shadow_blacklist, "shadow-exclude"); // --fade-exclude parse_cfg_condlst(ps, &cfg, &ps->o.fade_blacklist, "fade-exclude"); // --focus-exclude parse_cfg_condlst(ps, &cfg, &ps->o.focus_blacklist, "focus-exclude"); // --invert-color-include parse_cfg_condlst(ps, &cfg, &ps->o.invert_color_list, "invert-color-include"); // --blur-background-exclude parse_cfg_condlst(ps, &cfg, &ps->o.blur_background_blacklist, "blur-background-exclude"); // --greyscale-background-exclude parse_cfg_condlst(ps, &cfg, &ps->o.greyscale_background_blacklist, "greyscale-background-exclude"); // --opacity-rule parse_cfg_condlst_opct(ps, &cfg, "opacity-rule"); // --unredir-if-possible-exclude parse_cfg_condlst(ps, &cfg, &ps->o.unredir_if_possible_blacklist, "unredir-if-possible-exclude"); // --blur-background lcfg_lookup_bool(&cfg, "blur-background", &ps->o.blur_background); // --greyscale-background lcfg_lookup_bool(&cfg, "greyscale-background", &ps->o.greyscale_background); // --blur-background-frame lcfg_lookup_bool(&cfg, "blur-background-frame", &ps->o.blur_background_frame); // --blur-background-fixed lcfg_lookup_bool(&cfg, "blur-background-fixed", &ps->o.blur_background_fixed); // --blur-kern if (config_lookup_string(&cfg, "blur-kern", &sval) && !parse_conv_kern_lst(ps, sval, ps->o.blur_kerns, MAX_BLUR_PASS)) exit(1); // --resize-damage lcfg_lookup_int(&cfg, "resize-damage", &ps->o.resize_damage); // --glx-no-stencil lcfg_lookup_bool(&cfg, "glx-no-stencil", &ps->o.glx_no_stencil); // --glx-copy-from-front lcfg_lookup_bool(&cfg, "glx-copy-from-front", &ps->o.glx_copy_from_front); // --glx-use-copysubbuffermesa lcfg_lookup_bool(&cfg, "glx-use-copysubbuffermesa", &ps->o.glx_use_copysubbuffermesa); // --glx-no-rebind-pixmap lcfg_lookup_bool(&cfg, "glx-no-rebind-pixmap", &ps->o.glx_no_rebind_pixmap); // --glx-swap-method if (config_lookup_string(&cfg, "glx-swap-method", &sval) && !parse_glx_swap_method(ps, sval)) exit(1); // --glx-use-gpushader4 lcfg_lookup_bool(&cfg, "glx-use-gpushader4", &ps->o.glx_use_gpushader4); // --xrender-sync lcfg_lookup_bool(&cfg, "xrender-sync", &ps->o.xrender_sync); // --xrender-sync-fence lcfg_lookup_bool(&cfg, "xrender-sync-fence", &ps->o.xrender_sync_fence); // Wintype settings { wintype_t i; for (i = 0; i < NUM_WINTYPES; ++i) { char *str = mstrjoin("wintypes.", WINTYPES[i]); config_setting_t *setting = config_lookup(&cfg, str); free(str); if (setting) { if (config_setting_lookup_bool(setting, "shadow", &ival)) ps->o.wintype_shadow[i] = (bool) ival; if (config_setting_lookup_bool(setting, "fade", &ival)) ps->o.wintype_fade[i] = (bool) ival; if (config_setting_lookup_bool(setting, "focus", &ival)) ps->o.wintype_focus[i] = (bool) ival; config_setting_lookup_float(setting, "opacity", &ps->o.wintype_opacity[i]); } } } config_destroy(&cfg); // Adjust shadow offsets ps->o.shadow_offset_x = ((-ps->o.shadow_radius * 7 / 5) - ps->o.shadow_offset_x * ps->o.shadow_radius / 100); ps->o.shadow_offset_y = ((-ps->o.shadow_radius * 7 / 5) - ps->o.shadow_offset_y * ps->o.shadow_radius / 100); } #endif /** * Process arguments and configuration files. */ static void get_cfg(session_t *ps, int argc, char *const *argv, bool first_pass) { const static char *shortopts = "D:I:O:d:r:o:m:l:t:i:e:hvscnfFCaSzGb"; const static struct option longopts[] = { { "help", no_argument, NULL, 'h' }, { "config", required_argument, NULL, 256 }, { "shadow-radius", required_argument, NULL, 'r' }, { "shadow-opacity", required_argument, NULL, 'o' }, { "shadow-offset-x", required_argument, NULL, 'l' }, { "shadow-offset-y", required_argument, NULL, 't' }, { "fade-in-step", required_argument, NULL, 'I' }, { "fade-out-step", required_argument, NULL, 'O' }, { "fade-delta", required_argument, NULL, 'D' }, { "menu-opacity", required_argument, NULL, 'm' }, { "shadow", no_argument, NULL, 'c' }, { "no-dock-shadow", no_argument, NULL, 'C' }, { "clear-shadow", no_argument, NULL, 'z' }, { "fading", no_argument, NULL, 'f' }, { "inactive-opacity", required_argument, NULL, 'i' }, { "frame-opacity", required_argument, NULL, 'e' }, { "daemon", no_argument, NULL, 'b' }, { "no-dnd-shadow", no_argument, NULL, 'G' }, { "shadow-red", required_argument, NULL, 257 }, { "shadow-green", required_argument, NULL, 258 }, { "shadow-blue", required_argument, NULL, 259 }, { "inactive-opacity-override", no_argument, NULL, 260 }, { "inactive-dim", required_argument, NULL, 261 }, { "mark-wmwin-focused", no_argument, NULL, 262 }, { "shadow-exclude", required_argument, NULL, 263 }, { "mark-ovredir-focused", no_argument, NULL, 264 }, { "no-fading-openclose", no_argument, NULL, 265 }, { "shadow-ignore-shaped", no_argument, NULL, 266 }, { "detect-rounded-corners", no_argument, NULL, 267 }, { "detect-client-opacity", no_argument, NULL, 268 }, { "refresh-rate", required_argument, NULL, 269 }, { "vsync", required_argument, NULL, 270 }, { "alpha-step", required_argument, NULL, 271 }, { "dbe", no_argument, NULL, 272 }, { "paint-on-overlay", no_argument, NULL, 273 }, { "sw-opti", no_argument, NULL, 274 }, { "vsync-aggressive", no_argument, NULL, 275 }, { "use-ewmh-active-win", no_argument, NULL, 276 }, { "respect-prop-shadow", no_argument, NULL, 277 }, { "unredir-if-possible", no_argument, NULL, 278 }, { "focus-exclude", required_argument, NULL, 279 }, { "inactive-dim-fixed", no_argument, NULL, 280 }, { "detect-transient", no_argument, NULL, 281 }, { "detect-client-leader", no_argument, NULL, 282 }, { "blur-background", no_argument, NULL, 283 }, { "blur-background-frame", no_argument, NULL, 284 }, { "blur-background-fixed", no_argument, NULL, 285 }, { "dbus", no_argument, NULL, 286 }, { "logpath", required_argument, NULL, 287 }, { "invert-color-include", required_argument, NULL, 288 }, { "opengl", no_argument, NULL, 289 }, { "backend", required_argument, NULL, 290 }, { "glx-no-stencil", no_argument, NULL, 291 }, { "glx-copy-from-front", no_argument, NULL, 292 }, { "benchmark", required_argument, NULL, 293 }, { "benchmark-wid", required_argument, NULL, 294 }, { "glx-use-copysubbuffermesa", no_argument, NULL, 295 }, { "blur-background-exclude", required_argument, NULL, 296 }, { "active-opacity", required_argument, NULL, 297 }, { "glx-no-rebind-pixmap", no_argument, NULL, 298 }, { "glx-swap-method", required_argument, NULL, 299 }, { "fade-exclude", required_argument, NULL, 300 }, { "blur-kern", required_argument, NULL, 301 }, { "resize-damage", required_argument, NULL, 302 }, { "glx-use-gpushader4", no_argument, NULL, 303 }, { "opacity-rule", required_argument, NULL, 304 }, { "shadow-exclude-reg", required_argument, NULL, 305 }, { "paint-exclude", required_argument, NULL, 306 }, { "xinerama-shadow-crop", no_argument, NULL, 307 }, { "unredir-if-possible-exclude", required_argument, NULL, 308 }, { "unredir-if-possible-delay", required_argument, NULL, 309 }, { "write-pid-path", required_argument, NULL, 310 }, { "vsync-use-glfinish", no_argument, NULL, 311 }, { "xrender-sync", no_argument, NULL, 312 }, { "xrender-sync-fence", no_argument, NULL, 313 }, { "show-all-xerrors", no_argument, NULL, 314 }, { "no-fading-destroyed-argb", no_argument, NULL, 315 }, { "force-win-blend", no_argument, NULL, 316 }, { "glx-fshader-win", required_argument, NULL, 317 }, { "version", no_argument, NULL, 318 }, { "no-x-selection", no_argument, NULL, 319 }, { "no-name-pixmap", no_argument, NULL, 320 }, { "no-fading-opacitychange", no_argument, NULL, 321 }, { "reredir-on-root-change", no_argument, NULL, 731 }, { "glx-reinit-on-root-change", no_argument, NULL, 732 }, { "greyscale-background", no_argument, NULL, 733 }, { "greyscale-background-exclude", required_argument, NULL, 734 }, // Must terminate with a NULL entry { NULL, 0, NULL, 0 }, }; int o = 0, longopt_idx = -1, i = 0; if (first_pass) { // Pre-parse the commandline arguments to check for --config and invalid // switches // Must reset optind to 0 here in case we reread the commandline // arguments optind = 1; while (-1 != (o = getopt_long(argc, argv, shortopts, longopts, &longopt_idx))) { if (256 == o) ps->o.config_file = mstrcpy(optarg); else if ('d' == o) ps->o.display = mstrcpy(optarg); else if ('S' == o) ps->o.synchronize = true; else if (314 == o) ps->o.show_all_xerrors = true; else if (318 == o) { printf("%s\n", COMPTON_VERSION); exit(0); } else if (320 == o) ps->o.no_name_pixmap = true; else if ('?' == o || ':' == o) usage(1); } // Check for abundant positional arguments if (optind < argc) printf_errfq(1, "(): compton doesn't accept positional arguments."); return; } struct options_tmp cfgtmp = { .no_dock_shadow = false, .no_dnd_shadow = false, .menu_opacity = 1.0, }; bool shadow_enable = false, fading_enable = false; char *lc_numeric_old = mstrcpy(setlocale(LC_NUMERIC, NULL)); for (i = 0; i < NUM_WINTYPES; ++i) { ps->o.wintype_fade[i] = false; ps->o.wintype_shadow[i] = true; ps->o.wintype_opacity[i] = 1.0; } // Enforce LC_NUMERIC locale "C" here to make sure dots are recognized // instead of commas in atof(). setlocale(LC_NUMERIC, "C"); #ifdef CONFIG_LIBCONFIG parse_config(ps, &cfgtmp); #endif // Parse commandline arguments. Range checking will be done later. optind = 1; while (-1 != (o = getopt_long(argc, argv, shortopts, longopts, &longopt_idx))) { long val = 0; switch (o) { #define P_CASEBOOL(idx, option) case idx: ps->o.option = true; break #define P_CASELONG(idx, option) \ case idx: \ if (!parse_long(optarg, &val)) exit(1); \ ps->o.option = val; \ break // Short options case 'h': usage(0); break; case 'v': fprintf (stderr, "%s v%-3.2f\n", argv[0], _TDE_COMP_MGR_VERSION_); my_exit_code=0; exit (0); case 'd': case 'S': case 314: case 318: case 320: break; P_CASELONG('D', fade_delta); case 'I': ps->o.fade_in_step = normalize_d(atof(optarg)) * OPAQUE; break; case 'O': ps->o.fade_out_step = normalize_d(atof(optarg)) * OPAQUE; break; case 'c': shadow_enable = true; break; case 'C': cfgtmp.no_dock_shadow = true; break; case 'G': cfgtmp.no_dnd_shadow = true; break; case 'm': cfgtmp.menu_opacity = atof(optarg); break; case 'f': case 'F': fading_enable = true; break; P_CASELONG('r', shadow_radius); case 'o': ps->o.shadow_opacity = atof(optarg); break; P_CASELONG('l', shadow_offset_x); P_CASELONG('t', shadow_offset_y); case 'i': ps->o.inactive_opacity = (normalize_d(atof(optarg)) * OPAQUE); break; case 'e': ps->o.frame_opacity = atof(optarg); break; P_CASEBOOL('z', clear_shadow); case 'n': case 'a': case 's': printf_errfq(1, "(): -n, -a, and -s have been removed."); break; P_CASEBOOL('b', fork_after_register); // Long options case 256: // --config break; case 257: // --shadow-red ps->o.shadow_red = atof(optarg); break; case 258: // --shadow-green ps->o.shadow_green = atof(optarg); break; case 259: // --shadow-blue ps->o.shadow_blue = atof(optarg); break; P_CASEBOOL(260, inactive_opacity_override); case 261: // --inactive-dim ps->o.inactive_dim = atof(optarg); break; P_CASEBOOL(262, mark_wmwin_focused); case 263: // --shadow-exclude condlst_add(ps, &ps->o.shadow_blacklist, optarg); break; P_CASEBOOL(264, mark_ovredir_focused); P_CASEBOOL(265, no_fading_openclose); P_CASEBOOL(266, shadow_ignore_shaped); P_CASEBOOL(267, detect_rounded_corners); P_CASEBOOL(268, detect_client_opacity); P_CASELONG(269, refresh_rate); case 270: // --vsync if (!parse_vsync(ps, optarg)) exit(1); break; case 271: // --alpha-step ps->o.alpha_step = atof(optarg); break; P_CASEBOOL(272, dbe); P_CASEBOOL(273, paint_on_overlay); P_CASEBOOL(274, sw_opti); P_CASEBOOL(275, vsync_aggressive); P_CASEBOOL(276, use_ewmh_active_win); P_CASEBOOL(277, respect_prop_shadow); P_CASEBOOL(278, unredir_if_possible); case 279: // --focus-exclude condlst_add(ps, &ps->o.focus_blacklist, optarg); break; P_CASEBOOL(280, inactive_dim_fixed); P_CASEBOOL(281, detect_transient); P_CASEBOOL(282, detect_client_leader); P_CASEBOOL(283, blur_background); P_CASEBOOL(284, blur_background_frame); P_CASEBOOL(285, blur_background_fixed); P_CASEBOOL(286, dbus); case 287: // --logpath ps->o.logpath = mstrcpy(optarg); break; case 288: // --invert-color-include condlst_add(ps, &ps->o.invert_color_list, optarg); break; case 289: // --opengl ps->o.backend = BKEND_GLX; break; case 290: // --backend if (!parse_backend(ps, optarg)) exit(1); break; P_CASEBOOL(291, glx_no_stencil); P_CASEBOOL(292, glx_copy_from_front); P_CASELONG(293, benchmark); case 294: // --benchmark-wid ps->o.benchmark_wid = strtol(optarg, NULL, 0); break; P_CASEBOOL(295, glx_use_copysubbuffermesa); case 296: // --blur-background-exclude condlst_add(ps, &ps->o.blur_background_blacklist, optarg); break; case 297: // --active-opacity ps->o.active_opacity = (normalize_d(atof(optarg)) * OPAQUE); break; P_CASEBOOL(298, glx_no_rebind_pixmap); case 299: // --glx-swap-method if (!parse_glx_swap_method(ps, optarg)) exit(1); break; case 300: // --fade-exclude condlst_add(ps, &ps->o.fade_blacklist, optarg); break; case 301: // --blur-kern if (!parse_conv_kern_lst(ps, optarg, ps->o.blur_kerns, MAX_BLUR_PASS)) exit(1); break; P_CASELONG(302, resize_damage); P_CASEBOOL(303, glx_use_gpushader4); case 304: // --opacity-rule if (!parse_rule_opacity(ps, optarg)) exit(1); break; case 305: // --shadow-exclude-reg if (!parse_geometry(ps, optarg, &ps->o.shadow_exclude_reg_geom)) exit(1); break; case 306: // --paint-exclude condlst_add(ps, &ps->o.paint_blacklist, optarg); break; P_CASEBOOL(307, xinerama_shadow_crop); case 308: // --unredir-if-possible-exclude condlst_add(ps, &ps->o.unredir_if_possible_blacklist, optarg); break; P_CASELONG(309, unredir_if_possible_delay); case 310: // --write-pid-path ps->o.write_pid_path = mstrcpy(optarg); break; P_CASEBOOL(311, vsync_use_glfinish); P_CASEBOOL(312, xrender_sync); P_CASEBOOL(313, xrender_sync_fence); P_CASEBOOL(315, no_fading_destroyed_argb); P_CASEBOOL(316, force_win_blend); case 317: ps->o.glx_fshader_win_str = mstrcpy(optarg); break; P_CASEBOOL(319, no_x_selection); P_CASEBOOL(321, no_fading_opacitychange); P_CASEBOOL(731, reredir_on_root_change); P_CASEBOOL(732, glx_reinit_on_root_change); P_CASEBOOL(733, greyscale_background); case 734: // --greyscale-background-exclude condlst_add(ps, &ps->o.greyscale_background_blacklist, optarg); break; default: usage(1); break; #undef P_CASEBOOL } } // Restore LC_NUMERIC setlocale(LC_NUMERIC, lc_numeric_old); free(lc_numeric_old); // Range checking and option assignments ps->o.fade_delta = max_i(ps->o.fade_delta, 1); ps->o.shadow_radius = max_i(ps->o.shadow_radius, 1); ps->o.shadow_red = normalize_d(ps->o.shadow_red); ps->o.shadow_green = normalize_d(ps->o.shadow_green); ps->o.shadow_blue = normalize_d(ps->o.shadow_blue); ps->o.inactive_dim = normalize_d(ps->o.inactive_dim); ps->o.frame_opacity = normalize_d(ps->o.frame_opacity); ps->o.shadow_opacity = normalize_d(ps->o.shadow_opacity); cfgtmp.menu_opacity = normalize_d(cfgtmp.menu_opacity); ps->o.refresh_rate = normalize_i_range(ps->o.refresh_rate, 0, 300); ps->o.alpha_step = normalize_d_range(ps->o.alpha_step, 0.01, 1.0); if (OPAQUE == ps->o.inactive_opacity) { ps->o.inactive_opacity = 0; } if (OPAQUE == ps->o.active_opacity) { ps->o.active_opacity = 0; } if (shadow_enable) wintype_arr_enable(ps->o.wintype_shadow); ps->o.wintype_shadow[WINTYPE_DESKTOP] = false; if (cfgtmp.no_dock_shadow) ps->o.wintype_shadow[WINTYPE_DOCK] = false; if (cfgtmp.no_dnd_shadow) ps->o.wintype_shadow[WINTYPE_DND] = false; if (fading_enable) wintype_arr_enable(ps->o.wintype_fade); if (1.0 != cfgtmp.menu_opacity) { ps->o.wintype_opacity[WINTYPE_DROPDOWN_MENU] = cfgtmp.menu_opacity; ps->o.wintype_opacity[WINTYPE_POPUP_MENU] = cfgtmp.menu_opacity; } // --blur-background-frame implies --blur-background if (ps->o.blur_background_frame) ps->o.blur_background = true; if (ps->o.xrender_sync_fence) ps->o.xrender_sync = true; // Other variables determined by options // Determine whether we need to track focus changes if (ps->o.inactive_opacity || ps->o.active_opacity || ps->o.inactive_dim) { ps->o.track_focus = true; } // Determine whether we track window grouping if (ps->o.detect_transient || ps->o.detect_client_leader) { ps->o.track_leader = true; } // Fill default blur kernel if (ps->o.blur_background && !ps->o.blur_kerns[0]) { // Convolution filter parameter (box blur) // gaussian or binomial filters are definitely superior, yet looks // like they aren't supported as of xorg-server-1.13.0 const static XFixed convolution_blur[] = { // Must convert to XFixed with XDoubleToFixed() // Matrix size XDoubleToFixed(3), XDoubleToFixed(3), // Matrix XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1), XDoubleToFixed(1), }; ps->o.blur_kerns[0] = malloc(sizeof(convolution_blur)); if (!ps->o.blur_kerns[0]) { printf_errf("(): Failed to allocate memory for convolution kernel."); exit(1); } memcpy(ps->o.blur_kerns[0], &convolution_blur, sizeof(convolution_blur)); } rebuild_shadow_exclude_reg(ps); if (ps->o.resize_damage < 0) printf_errf("(): Negative --resize-damage does not work correctly."); } /** * Fetch all required atoms and save them to a session. */ static void init_atoms(session_t *ps) { ps->atom_opacity = get_atom(ps, "_NET_WM_WINDOW_OPACITY"); ps->atom_frame_extents = get_atom(ps, "_NET_FRAME_EXTENTS"); ps->atom_client = get_atom(ps, "WM_STATE"); ps->atom_name = XA_WM_NAME; ps->atom_name_ewmh = get_atom(ps, "_NET_WM_NAME"); ps->atom_class = XA_WM_CLASS; ps->atom_role = get_atom(ps, "WM_WINDOW_ROLE"); ps->atom_transient = XA_WM_TRANSIENT_FOR; ps->atom_client_leader = get_atom(ps, "WM_CLIENT_LEADER"); ps->atom_ewmh_active_win = get_atom(ps, "_NET_ACTIVE_WINDOW"); ps->atom_compton_shadow = get_atom(ps, "_TDE_WM_WINDOW_SHADOW"); ps->atom_win_type = get_atom(ps, "_NET_WM_WINDOW_TYPE"); ps->atoms_wintypes[WINTYPE_UNKNOWN] = 0; ps->atoms_wintypes[WINTYPE_DESKTOP] = get_atom(ps, "_NET_WM_WINDOW_TYPE_DESKTOP"); ps->atoms_wintypes[WINTYPE_DOCK] = get_atom(ps, "_NET_WM_WINDOW_TYPE_DOCK"); ps->atoms_wintypes[WINTYPE_TOOLBAR] = get_atom(ps, "_NET_WM_WINDOW_TYPE_TOOLBAR"); ps->atoms_wintypes[WINTYPE_MENU] = get_atom(ps, "_NET_WM_WINDOW_TYPE_MENU"); ps->atoms_wintypes[WINTYPE_UTILITY] = get_atom(ps, "_NET_WM_WINDOW_TYPE_UTILITY"); ps->atoms_wintypes[WINTYPE_SPLASH] = get_atom(ps, "_NET_WM_WINDOW_TYPE_SPLASH"); ps->atoms_wintypes[WINTYPE_DIALOG] = get_atom(ps, "_NET_WM_WINDOW_TYPE_DIALOG"); ps->atoms_wintypes[WINTYPE_NORMAL] = get_atom(ps, "_NET_WM_WINDOW_TYPE_NORMAL"); ps->atoms_wintypes[WINTYPE_DROPDOWN_MENU] = get_atom(ps, "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU"); ps->atoms_wintypes[WINTYPE_POPUP_MENU] = get_atom(ps, "_NET_WM_WINDOW_TYPE_POPUP_MENU"); ps->atoms_wintypes[WINTYPE_TOOLTIP] = get_atom(ps, "_NET_WM_WINDOW_TYPE_TOOLTIP"); ps->atoms_wintypes[WINTYPE_NOTIFY] = get_atom(ps, "_NET_WM_WINDOW_TYPE_NOTIFICATION"); ps->atoms_wintypes[WINTYPE_COMBO] = get_atom(ps, "_NET_WM_WINDOW_TYPE_COMBO"); ps->atoms_wintypes[WINTYPE_DND] = get_atom(ps, "_NET_WM_WINDOW_TYPE_DND"); ps->atom_win_type_tde_transparent_to_black = get_atom(ps, "_TDE_TRANSPARENT_TO_BLACK"); ps->atom_win_type_tde_transparent_to_desktop = get_atom(ps, "_TDE_TRANSPARENT_TO_DESKTOP"); ps->atom_win_type_tde_transparency_filter_greyscale = get_atom(ps, "_TDE_TRANSPARENCY_FILTER_GREYSCALE"); } #ifdef CONFIG_XRANDR /** * Update refresh rate info with X Randr extension. */ static void update_refresh_rate(session_t *ps) { XRRScreenConfiguration* randr_info; if (!(randr_info = XRRGetScreenInfo(ps->dpy, ps->root))) return; ps->refresh_rate = XRRConfigCurrentRate(randr_info); XRRFreeScreenConfigInfo(randr_info); if (ps->refresh_rate) ps->refresh_intv = US_PER_SEC / ps->refresh_rate; else ps->refresh_intv = 0; } #endif // CONFIG_XRANDR /** * Initialize refresh-rated based software optimization. * * @return true for success, false otherwise */ static bool swopti_init(session_t *ps) { // Prepare refresh rate // Check if user provides one ps->refresh_rate = ps->o.refresh_rate; if (ps->refresh_rate) ps->refresh_intv = US_PER_SEC / ps->refresh_rate; #ifdef CONFIG_XRANDR // Auto-detect refresh rate otherwise if (!ps->refresh_rate && ps->randr_exists) { update_refresh_rate(ps); } #endif // CONFIG_XRANDR // Turn off vsync_sw if we can't get the refresh rate if (!ps->refresh_rate) return false; return true; } /** * Modify a struct timeval timeout value to render at a fixed pace. * * @param ps current session * @param[in,out] ptv pointer to the timeout */ static void swopti_handle_timeout(session_t *ps, struct timeval *ptv) { if (!ptv) return; // Get the microsecond offset of the time when the we reach the timeout // I don't think a 32-bit long could overflow here. long offset = (ptv->tv_usec + get_time_timeval().tv_usec - ps->paint_tm_offset) % ps->refresh_intv; if (offset < 0) offset += ps->refresh_intv; assert(offset >= 0 && offset < ps->refresh_intv); // If the target time is sufficiently close to a refresh time, don't add // an offset, to avoid certain blocking conditions. if (offset < SWOPTI_TOLERANCE || offset > ps->refresh_intv - SWOPTI_TOLERANCE) return; // Add an offset so we wait until the next refresh after timeout ptv->tv_usec += ps->refresh_intv - offset; if (ptv->tv_usec > US_PER_SEC) { ptv->tv_usec -= US_PER_SEC; ++ptv->tv_sec; } } /** * Initialize DRM VSync. * * @return true for success, false otherwise */ static bool vsync_drm_init(session_t *ps) { #ifdef CONFIG_VSYNC_DRM // Should we always open card0? if (ps->drm_fd < 0 && (ps->drm_fd = open("/dev/dri/card0", O_RDWR)) < 0) { printf_errf("(): Failed to open device."); return false; } if (vsync_drm_wait(ps)) return false; return true; #else printf_errf("(): Program not compiled with DRM VSync support."); return false; #endif } #ifdef CONFIG_VSYNC_DRM /** * Wait for next VSync, DRM method. * * Stolen from: https://github.com/MythTV/mythtv/blob/master/mythtv/libs/libmythtv/vsync.cpp */ static int vsync_drm_wait(session_t *ps) { int ret = -1; drm_wait_vblank_t vbl; vbl.request.type = _DRM_VBLANK_RELATIVE, vbl.request.sequence = 1; do { ret = ioctl(ps->drm_fd, DRM_IOCTL_WAIT_VBLANK, &vbl); vbl.request.type &= ~_DRM_VBLANK_RELATIVE; } while (ret && errno == EINTR); if (ret) fprintf(stderr, "vsync_drm_wait(): VBlank ioctl did not work, " "unimplemented in this drmver?\n"); return ret; } #endif /** * Initialize OpenGL VSync. * * Stolen from: http://git.tuxfamily.org/?p=ccm/cairocompmgr.git;a=commitdiff;h=efa4ceb97da501e8630ca7f12c99b1dce853c73e * Possible original source: http://www.inb.uni-luebeck.de/~boehme/xvideo_sync.html * * @return true for success, false otherwise */ static bool vsync_opengl_init(session_t *ps) { #ifdef CONFIG_VSYNC_OPENGL if (!ensure_glx_context(ps)) return false; // Get video sync functions if (!ps->psglx->glXGetVideoSyncSGI) ps->psglx->glXGetVideoSyncSGI = (f_GetVideoSync) glXGetProcAddress((const GLubyte *) "glXGetVideoSyncSGI"); if (!ps->psglx->glXWaitVideoSyncSGI) ps->psglx->glXWaitVideoSyncSGI = (f_WaitVideoSync) glXGetProcAddress((const GLubyte *) "glXWaitVideoSyncSGI"); if (!ps->psglx->glXWaitVideoSyncSGI || !ps->psglx->glXGetVideoSyncSGI) { printf_errf("(): Failed to get glXWait/GetVideoSyncSGI function."); return false; } return true; #else printf_errf("(): Program not compiled with OpenGL VSync support."); return false; #endif } static bool vsync_opengl_oml_init(session_t *ps) { #ifdef CONFIG_VSYNC_OPENGL if (!ensure_glx_context(ps)) return false; // Get video sync functions if (!ps->psglx->glXGetSyncValuesOML) ps->psglx->glXGetSyncValuesOML = (f_GetSyncValuesOML) glXGetProcAddress ((const GLubyte *) "glXGetSyncValuesOML"); if (!ps->psglx->glXWaitForMscOML) ps->psglx->glXWaitForMscOML = (f_WaitForMscOML) glXGetProcAddress ((const GLubyte *) "glXWaitForMscOML"); if (!ps->psglx->glXGetSyncValuesOML || !ps->psglx->glXWaitForMscOML) { printf_errf("(): Failed to get OML_sync_control functions."); return false; } return true; #else printf_errf("(): Program not compiled with OpenGL VSync support."); return false; #endif } static bool vsync_opengl_swc_init(session_t *ps) { #ifdef CONFIG_VSYNC_OPENGL if (!ensure_glx_context(ps)) return false; if (!bkend_use_glx(ps)) { printf_errf("(): I'm afraid glXSwapIntervalSGI wouldn't help if you are " "not using GLX backend. You could try, nonetheless."); } // Get video sync functions if (!ps->psglx->glXSwapIntervalProc) ps->psglx->glXSwapIntervalProc = (f_SwapIntervalSGI) glXGetProcAddress ((const GLubyte *) "glXSwapIntervalSGI"); if (!ps->psglx->glXSwapIntervalProc) { printf_errf("(): Failed to get SGI_swap_control function."); return false; } ps->psglx->glXSwapIntervalProc(1); return true; #else printf_errf("(): Program not compiled with OpenGL VSync support."); return false; #endif } static bool vsync_opengl_mswc_init(session_t *ps) { #ifdef CONFIG_VSYNC_OPENGL if (!ensure_glx_context(ps)) return false; if (!bkend_use_glx(ps)) { printf_errf("(): I'm afraid glXSwapIntervalMESA wouldn't help if you are " "not using GLX backend. You could try, nonetheless."); } // Get video sync functions if (!ps->psglx->glXSwapIntervalMESAProc) ps->psglx->glXSwapIntervalMESAProc = (f_SwapIntervalMESA) glXGetProcAddress ((const GLubyte *) "glXSwapIntervalMESA"); if (!ps->psglx->glXSwapIntervalMESAProc) { printf_errf("(): Failed to get MESA_swap_control function."); return false; } ps->psglx->glXSwapIntervalMESAProc(1); return true; #else printf_errf("(): Program not compiled with OpenGL VSync support."); return false; #endif } #ifdef CONFIG_VSYNC_OPENGL /** * Wait for next VSync, OpenGL method. */ static int vsync_opengl_wait(session_t *ps) { unsigned vblank_count = 0; ps->psglx->glXGetVideoSyncSGI(&vblank_count); ps->psglx->glXWaitVideoSyncSGI(2, (vblank_count + 1) % 2, &vblank_count); // I see some code calling glXSwapIntervalSGI(1) afterwards, is it required? return 0; } /** * Wait for next VSync, OpenGL OML method. * * https://mail.gnome.org/archives/clutter-list/2012-November/msg00031.html */ static int vsync_opengl_oml_wait(session_t *ps) { int64_t ust = 0, msc = 0, sbc = 0; ps->psglx->glXGetSyncValuesOML(ps->dpy, ps->reg_win, &ust, &msc, &sbc); ps->psglx->glXWaitForMscOML(ps->dpy, ps->reg_win, 0, 2, (msc + 1) % 2, &ust, &msc, &sbc); return 0; } static void vsync_opengl_swc_deinit(session_t *ps) { // The standard says it doesn't accept 0, but in fact it probably does if (glx_has_context(ps) && ps->psglx->glXSwapIntervalProc) ps->psglx->glXSwapIntervalProc(0); } static void vsync_opengl_mswc_deinit(session_t *ps) { if (glx_has_context(ps) && ps->psglx->glXSwapIntervalMESAProc) ps->psglx->glXSwapIntervalMESAProc(0); } #endif /** * Initialize current VSync method. */ bool vsync_init(session_t *ps) { if (ps->o.vsync && VSYNC_FUNCS_INIT[ps->o.vsync] && !VSYNC_FUNCS_INIT[ps->o.vsync](ps)) { ps->o.vsync = VSYNC_NONE; return false; } else return true; } /** * Wait for next VSync. */ static void vsync_wait(session_t *ps) { if (!ps->o.vsync) return; if (VSYNC_FUNCS_WAIT[ps->o.vsync]) VSYNC_FUNCS_WAIT[ps->o.vsync](ps); } /** * Deinitialize current VSync method. */ void vsync_deinit(session_t *ps) { if (ps->o.vsync && VSYNC_FUNCS_DEINIT[ps->o.vsync]) VSYNC_FUNCS_DEINIT[ps->o.vsync](ps); } /** * Pregenerate alpha pictures. */ static void init_alpha_picts(session_t *ps) { int i; int num = round(1.0 / ps->o.alpha_step) + 1; ps->alpha_picts = malloc(sizeof(Picture) * num); for (i = 0; i < num; ++i) { double o = i * ps->o.alpha_step; if ((1.0 - o) > ps->o.alpha_step) ps->alpha_picts[i] = solid_picture(ps, false, o, 0, 0, 0); else ps->alpha_picts[i] = None; } } /** * Initialize double buffer. */ static bool init_dbe(session_t *ps) { if (!(ps->root_dbe = XdbeAllocateBackBufferName(ps->dpy, (ps->o.paint_on_overlay ? ps->overlay: ps->root), XdbeCopied))) { printf_errf("(): Failed to create double buffer. Double buffering " "cannot work."); return false; } return true; } /** * Initialize X composite overlay window. */ static bool init_overlay(session_t *ps) { ps->overlay = XCompositeGetOverlayWindow(ps->dpy, ps->root); if (ps->overlay) { // Set window region of the overlay window, code stolen from // compiz-0.8.8 XserverRegion region = XFixesCreateRegion(ps->dpy, NULL, 0); XFixesSetWindowShapeRegion(ps->dpy, ps->overlay, ShapeBounding, 0, 0, 0); XFixesSetWindowShapeRegion(ps->dpy, ps->overlay, ShapeInput, 0, 0, region); XFixesDestroyRegion(ps->dpy, region); // Listen to Expose events on the overlay XSelectInput(ps->dpy, ps->overlay, ExposureMask); // Retrieve DamageNotify on root window if we are painting on an // overlay // root_damage = XDamageCreate(ps->dpy, root, XDamageReportNonEmpty); // Unmap overlay, firstly. But this typically does not work because // the window isn't created yet. // XUnmapWindow(ps->dpy, ps->overlay); // XFlush(ps->dpy); } else { fprintf(stderr, "Cannot get X Composite overlay window. Falling " "back to painting on root window.\n"); ps->o.paint_on_overlay = false; } #ifdef DEBUG_REDIR printf_dbgf("(): overlay = %#010lx\n", ps->overlay); #endif return ps->overlay; } /** * Query needed X Render / OpenGL filters to check for their existence. */ static bool init_filters(session_t *ps) { // Blur filter if (ps->o.blur_background || ps->o.blur_background_frame) { switch (ps->o.backend) { case BKEND_XRENDER: case BKEND_XR_GLX_HYBRID: { // Query filters XFilters *pf = XRenderQueryFilters(ps->dpy, get_tgt_window(ps)); if (pf) { for (int i = 0; i < pf->nfilter; ++i) { // Convolution filter if (!strcmp(pf->filter[i], XRFILTER_CONVOLUTION)) ps->xrfilter_convolution_exists = true; } } cxfree(pf); // Turn features off if any required filter is not present if (!ps->xrfilter_convolution_exists) { printf_errf("(): X Render convolution filter unsupported by your X server. Background blur is not possible."); return false; } break; } #ifdef CONFIG_VSYNC_OPENGL case BKEND_GLX: { if (!glx_init_blur(ps)) return false; } #endif } } return true; } /** * Redirect all windows. */ static void redir_start(session_t *ps) { if (!ps->redirected) { #ifdef DEBUG_REDIR print_timestamp(ps); printf_dbgf("(): Screen redirected.\n"); #endif // Map overlay window. Done firstly according to this: // https://bugzilla.gnome.org/show_bug.cgi?id=597014 if (ps->overlay) XMapWindow(ps->dpy, ps->overlay); XCompositeRedirectSubwindows(ps->dpy, ps->root, CompositeRedirectManual); /* // Unredirect GL context window as this may have an effect on VSync: // < http://dri.freedesktop.org/wiki/CompositeSwap > XCompositeUnredirectWindow(ps->dpy, ps->reg_win, CompositeRedirectManual); if (ps->o.paint_on_overlay && ps->overlay) { XCompositeUnredirectWindow(ps->dpy, ps->overlay, CompositeRedirectManual); } */ // Must call XSync() here XSync(ps->dpy, False); ps->redirected = true; // Repaint the whole screen force_repaint(ps); } } /** * Get the poll time. */ static time_ms_t timeout_get_poll_time(session_t *ps) { const time_ms_t now = get_time_ms(); time_ms_t wait = TIME_MS_MAX; // Traverse throught the timeout linked list for (timeout_t *ptmout = ps->tmout_lst; ptmout; ptmout = ptmout->next) { if (ptmout->enabled) { time_ms_t newrun = timeout_get_newrun(ptmout); if (newrun <= now) { wait = 0; break; } else { time_ms_t newwait = newrun - now; if (newwait < wait) wait = newwait; } } } return wait; } /** * Insert a new timeout. */ timeout_t * timeout_insert(session_t *ps, time_ms_t interval, bool (*callback)(session_t *ps, timeout_t *ptmout), void *data) { const static timeout_t tmout_def = { .enabled = true, .data = NULL, .callback = NULL, .firstrun = 0L, .lastrun = 0L, .interval = 0L, }; const time_ms_t now = get_time_ms(); timeout_t *ptmout = malloc(sizeof(timeout_t)); if (!ptmout) printf_errfq(1, "(): Failed to allocate memory for timeout."); memcpy(ptmout, &tmout_def, sizeof(timeout_t)); ptmout->interval = interval; ptmout->firstrun = now; ptmout->lastrun = now; ptmout->data = data; ptmout->callback = callback; ptmout->next = ps->tmout_lst; ps->tmout_lst = ptmout; return ptmout; } /** * Drop a timeout. * * @return true if we have found the timeout and removed it, false * otherwise */ bool timeout_drop(session_t *ps, timeout_t *prm) { timeout_t **pplast = &ps->tmout_lst; for (timeout_t *ptmout = ps->tmout_lst; ptmout; pplast = &ptmout->next, ptmout = ptmout->next) { if (prm == ptmout) { *pplast = ptmout->next; free(ptmout); return true; } } return false; } /** * Clear all timeouts. */ static void timeout_clear(session_t *ps) { timeout_t *ptmout = ps->tmout_lst; timeout_t *next = NULL; while (ptmout) { next = ptmout->next; free(ptmout); ptmout = next; } } /** * Run timeouts. * * @return true if we have ran a timeout, false otherwise */ static bool timeout_run(session_t *ps) { const time_ms_t now = get_time_ms(); bool ret = false; timeout_t *pnext = NULL; for (timeout_t *ptmout = ps->tmout_lst; ptmout; ptmout = pnext) { pnext = ptmout->next; if (ptmout->enabled) { const time_ms_t max = now + (time_ms_t) (ptmout->interval * TIMEOUT_RUN_TOLERANCE); time_ms_t newrun = timeout_get_newrun(ptmout); if (newrun <= max) { ret = true; timeout_invoke(ps, ptmout); } } } return ret; } /** * Invoke a timeout. */ void timeout_invoke(session_t *ps, timeout_t *ptmout) { const time_ms_t now = get_time_ms(); ptmout->lastrun = now; // Avoid modifying the timeout structure after running timeout, to // make it possible to remove timeout in callback if (ptmout->callback) ptmout->callback(ps, ptmout); } /** * Reset a timeout to initial state. */ void timeout_reset(session_t *ps, timeout_t *ptmout) { ptmout->firstrun = ptmout->lastrun = get_time_ms(); } /** * Unredirect all windows. */ static void redir_stop(session_t *ps) { if (ps->redirected) { #ifdef DEBUG_REDIR print_timestamp(ps); printf_dbgf("(): Screen unredirected.\n"); #endif // Destroy all Pictures as they expire once windows are unredirected // If we don't destroy them here, looks like the resources are just // kept inaccessible somehow for (win *w = ps->list; w; w = w->next) free_wpaint(ps, w); XCompositeUnredirectSubwindows(ps->dpy, ps->root, CompositeRedirectManual); // Unmap overlay window if (ps->overlay) XUnmapWindow(ps->dpy, ps->overlay); // Must call XSync() here XSync(ps->dpy, False); ps->redirected = false; } } /** * Unredirection timeout callback. */ static bool tmout_unredir_callback(session_t *ps, timeout_t *tmout) { ps->tmout_unredir_hit = true; tmout->enabled = false; return true; } /** * Main loop. */ static bool mainloop(session_t *ps) { // Don't miss timeouts even when we have a LOT of other events! timeout_run(ps); // Process existing events // Sometimes poll() returns 1 but no events are actually read, // causing XNextEvent() to block, I have no idea what's wrong, so we // check for the number of events here. if (XEventsQueued(ps->dpy, QueuedAfterReading)) { XEvent ev = { }; XNextEvent(ps->dpy, &ev); ev_handle(ps, &ev); ps->ev_received = true; return true; } #ifdef CONFIG_DBUS if (ps->o.dbus) { cdbus_loop(ps); } #endif if (ps->reset) return false; // Calculate timeout struct timeval *ptv = NULL; { // Consider ev_received firstly if (ps->ev_received || ps->o.benchmark) { ptv = malloc(sizeof(struct timeval)); ptv->tv_sec = 0L; ptv->tv_usec = 0L; } // Then consider fading timeout else if (!ps->idling) { ptv = malloc(sizeof(struct timeval)); *ptv = ms_to_tv(fade_timeout(ps)); } // Software optimization is to be applied on timeouts that require // immediate painting only if (ptv && ps->o.sw_opti) swopti_handle_timeout(ps, ptv); // Don't continue looping for 0 timeout if (ptv && timeval_isempty(ptv)) { free(ptv); return false; } // Now consider the waiting time of other timeouts time_ms_t tmout_ms = timeout_get_poll_time(ps); if (tmout_ms < TIME_MS_MAX) { if (!ptv) { ptv = malloc(sizeof(struct timeval)); *ptv = ms_to_tv(tmout_ms); } else if (timeval_ms_cmp(ptv, tmout_ms) > 0) { *ptv = ms_to_tv(tmout_ms); } } // Don't continue looping for 0 timeout if (ptv && timeval_isempty(ptv)) { free(ptv); return false; } } // Polling fds_poll(ps, ptv); free(ptv); ptv = NULL; return true; } static void cxinerama_upd_scrs(session_t *ps) { #ifdef CONFIG_XINERAMA free_xinerama_info(ps); if (!ps->o.xinerama_shadow_crop || !ps->xinerama_exists) return; if (!XineramaIsActive(ps->dpy)) return; ps->xinerama_scrs = XineramaQueryScreens(ps->dpy, &ps->xinerama_nscrs); // Just in case the shit hits the fan... if (!ps->xinerama_nscrs) { cxfree(ps->xinerama_scrs); ps->xinerama_scrs = NULL; return; } ps->xinerama_scr_regs = allocchk(malloc(sizeof(XserverRegion *) * ps->xinerama_nscrs)); for (int i = 0; i < ps->xinerama_nscrs; ++i) { const XineramaScreenInfo * const s = &ps->xinerama_scrs[i]; XRectangle r = { .x = s->x_org, .y = s->y_org, .width = s->width, .height = s->height }; ps->xinerama_scr_regs[i] = XFixesCreateRegion(ps->dpy, &r, 1); } #endif } /** * Initialize a session. * * @param ps_old old session, from which the function will take the X * connection, then free it * @param argc number of commandline arguments * @param argv commandline arguments */ static session_t * session_init(session_t *ps_old, int argc, char **argv) { const static session_t s_def = { .dpy = NULL, .scr = 0, .vis = NULL, .depth = 0, .root = None, .root_height = 0, .root_width = 0, // .root_damage = None, .overlay = None, .root_tile_fill = false, .root_tile_paint = PAINT_INIT, .screen_reg = None, .tgt_picture = None, .tgt_buffer = PAINT_INIT, .root_dbe = None, .reg_win = None, .o = { .config_file = NULL, .display = NULL, .backend = BKEND_XRENDER, .glx_no_stencil = false, .glx_copy_from_front = false, #ifdef CONFIG_VSYNC_OPENGL_GLSL .glx_prog_win = GLX_PROG_MAIN_INIT, #endif .mark_wmwin_focused = false, .mark_ovredir_focused = false, .fork_after_register = false, .synchronize = false, .detect_rounded_corners = false, .paint_on_overlay = false, .resize_damage = 0, .unredir_if_possible = false, .unredir_if_possible_blacklist = NULL, .unredir_if_possible_delay = 0, .redirected_force = UNSET, .stoppaint_force = UNSET, .dbus = false, .benchmark = 0, .benchmark_wid = None, .logpath = NULL, .refresh_rate = 0, .sw_opti = false, .vsync = VSYNC_NONE, .dbe = false, .vsync_aggressive = false, .wintype_shadow = { false }, .shadow_red = 0.0, .shadow_green = 0.0, .shadow_blue = 0.0, .shadow_radius = 12, .shadow_offset_x = 0, .shadow_offset_y = 0, .shadow_opacity = .75, .clear_shadow = false, .shadow_blacklist = NULL, .shadow_ignore_shaped = false, .respect_prop_shadow = false, .xinerama_shadow_crop = false, .wintype_fade = { false }, .fade_in_step = 0.028 * OPAQUE, .fade_out_step = 0.03 * OPAQUE, .fade_delta = 10, .no_fading_openclose = false, .no_fading_destroyed_argb = false, .no_fading_opacitychange = false, .fade_blacklist = NULL, .wintype_opacity = { 0.0 }, .inactive_opacity = 0, .inactive_opacity_override = false, .active_opacity = 0, .frame_opacity = 0.0, .detect_client_opacity = false, .alpha_step = 0.03, .blur_background = false, .blur_background_frame = false, .blur_background_fixed = false, .blur_background_blacklist = NULL, .blur_kerns = { NULL }, .greyscale_background = false, .inactive_dim = 0.0, .inactive_dim_fixed = false, .invert_color_list = NULL, .opacity_rules = NULL, .wintype_focus = { false }, .use_ewmh_active_win = false, .focus_blacklist = NULL, .detect_transient = false, .detect_client_leader = false, .track_focus = false, .track_wdata = false, .track_leader = false, }, .pfds_read = NULL, .pfds_write = NULL, .pfds_except = NULL, .nfds_max = 0, .tmout_lst = NULL, .all_damage = None, .all_damage_last = { None }, .time_start = { 0, 0 }, .redirected = false, .alpha_picts = NULL, .reg_ignore_expire = false, .idling = false, .fade_time = 0L, .ignore_head = NULL, .ignore_tail = NULL, .reset = false, .expose_rects = NULL, .size_expose = 0, .n_expose = 0, .list = NULL, .active_win = NULL, .active_leader = None, .black_picture = None, .cshadow_picture = None, .white_picture = None, .gaussian_map = NULL, .cgsize = 0, .shadow_corner = NULL, .shadow_top = NULL, .refresh_rate = 0, .refresh_intv = 0UL, .paint_tm_offset = 0L, #ifdef CONFIG_VSYNC_DRM .drm_fd = -1, #endif .xfixes_event = 0, .xfixes_error = 0, .damage_event = 0, .damage_error = 0, .render_event = 0, .render_error = 0, .composite_event = 0, .composite_error = 0, .composite_opcode = 0, .has_name_pixmap = false, .shape_exists = false, .shape_event = 0, .shape_error = 0, #ifdef CONFIG_XRANDR .randr_exists = 0, .randr_event = 0, .randr_error = 0, #endif // CONFIG_XRANDR #ifdef CONFIG_VSYNC_OPENGL .glx_exists = false, .glx_event = 0, .glx_error = 0, #endif .dbe_exists = false, .xrfilter_convolution_exists = false, .atom_opacity = None, .atom_frame_extents = None, .atom_client = None, .atom_name = None, .atom_name_ewmh = None, .atom_class = None, .atom_role = None, .atom_transient = None, .atom_ewmh_active_win = None, .atom_compton_shadow = None, .atom_win_type = None, .atom_win_type_tde_transparent_to_black = None, .atom_win_type_tde_transparent_to_desktop = None, .atom_win_type_tde_transparency_filter_greyscale = None, .atoms_wintypes = { 0 }, .track_atom_lst = NULL, #ifdef CONFIG_DBUS .dbus_conn = NULL, .dbus_service = NULL, #endif }; // Allocate a session and copy default values into it session_t *ps = malloc(sizeof(session_t)); memcpy(ps, &s_def, sizeof(session_t)); ps_g = ps; ps->ignore_tail = &ps->ignore_head; gettimeofday(&ps->time_start, NULL); wintype_arr_enable(ps->o.wintype_focus); ps->o.wintype_focus[WINTYPE_UNKNOWN] = false; ps->o.wintype_focus[WINTYPE_NORMAL] = false; ps->o.wintype_focus[WINTYPE_UTILITY] = false; // First pass get_cfg(ps, argc, argv, true); // Inherit old Display if possible, primarily for resource leak checking if (ps_old && ps_old->dpy) ps->dpy = ps_old->dpy; // Open Display if (!ps->dpy) { ps->dpy = XOpenDisplay(ps->o.display); if (!ps->dpy) { printf_errfq(1, "(): Can't open display."); } } XSetErrorHandler(xerror); if (ps->o.synchronize) { XSynchronize(ps->dpy, 1); } ps->scr = DefaultScreen(ps->dpy); ps->root = RootWindow(ps->dpy, ps->scr); ps->vis = DefaultVisual(ps->dpy, ps->scr); ps->depth = DefaultDepth(ps->dpy, ps->scr); // Start listening to events on root earlier to catch all possible // root geometry changes XSelectInput(ps->dpy, ps->root, SubstructureNotifyMask | ExposureMask | StructureNotifyMask | PropertyChangeMask); XFlush(ps->dpy); ps->root_width = DisplayWidth(ps->dpy, ps->scr); ps->root_height = DisplayHeight(ps->dpy, ps->scr); if (!XRenderQueryExtension(ps->dpy, &ps->render_event, &ps->render_error)) { fprintf(stderr, "No render extension\n"); exit(1); } if (!XQueryExtension(ps->dpy, COMPOSITE_NAME, &ps->composite_opcode, &ps->composite_event, &ps->composite_error)) { fprintf(stderr, "No composite extension\n"); exit(1); } { int composite_major = 0, composite_minor = 0; XCompositeQueryVersion(ps->dpy, &composite_major, &composite_minor); if (!ps->o.no_name_pixmap && (composite_major > 0 || composite_minor >= 2)) { ps->has_name_pixmap = true; } } if (!XDamageQueryExtension(ps->dpy, &ps->damage_event, &ps->damage_error)) { fprintf(stderr, "No damage extension\n"); exit(1); } if (!XFixesQueryExtension(ps->dpy, &ps->xfixes_event, &ps->xfixes_error)) { fprintf(stderr, "No XFixes extension\n"); exit(1); } // Build a safe representation of display name { char *display_repr = DisplayString(ps->dpy); if (!display_repr) display_repr = "unknown"; display_repr = mstrcpy(display_repr); // Convert all special characters in display_repr name to underscore { char *pdisp = display_repr; while (*pdisp) { if (!isalnum(*pdisp)) *pdisp = '_'; ++pdisp; } } ps->o.display_repr = display_repr; } // Second pass get_cfg(ps, argc, argv, false); // Query X Shape if (XShapeQueryExtension(ps->dpy, &ps->shape_event, &ps->shape_error)) { ps->shape_exists = true; } if (ps->o.xrender_sync_fence) { #ifdef CONFIG_XSYNC // Query X Sync if (XSyncQueryExtension(ps->dpy, &ps->xsync_event, &ps->xsync_error)) { // TODO: Fencing may require version >= 3.0? int major_version_return = 0, minor_version_return = 0; if (XSyncInitialize(ps->dpy, &major_version_return, &minor_version_return)) ps->xsync_exists = true; } if (!ps->xsync_exists) { printf_errf("(): X Sync extension not found. No X Sync fence sync is " "possible."); exit(1); } #else printf_errf("(): X Sync support not compiled in. --xrender-sync-fence " "can't work."); exit(1); #endif } // Query X RandR if ((ps->o.sw_opti && !ps->o.refresh_rate) || ps->o.xinerama_shadow_crop) { #ifdef CONFIG_XRANDR if (XRRQueryExtension(ps->dpy, &ps->randr_event, &ps->randr_error)) ps->randr_exists = true; else printf_errf("(): No XRandR extension, automatic screen change " "detection impossible."); #else // CONFIG_XRANDR printf_errf("(): Xrandr support not compiled in."); #endif // CONFIG_XRANDR } // Query X DBE extension if (ps->o.dbe) { int dbe_ver_major = 0, dbe_ver_minor = 0; if (XdbeQueryExtension(ps->dpy, &dbe_ver_major, &dbe_ver_minor)) if (dbe_ver_major >= 1) ps->dbe_exists = true; else fprintf(stderr, "DBE extension version too low. Double buffering " "impossible.\n"); else { fprintf(stderr, "No DBE extension. Double buffering impossible.\n"); } if (!ps->dbe_exists) ps->o.dbe = false; } // Query X Xinerama extension if (ps->o.xinerama_shadow_crop) { #ifdef CONFIG_XINERAMA int xinerama_event = 0, xinerama_error = 0; if (XineramaQueryExtension(ps->dpy, &xinerama_event, &xinerama_error)) ps->xinerama_exists = true; #else printf_errf("(): Xinerama support not compiled in."); #endif } rebuild_screen_reg(ps); // Overlay must be initialized before double buffer, and before creation // of OpenGL context. if (ps->o.paint_on_overlay) init_overlay(ps); // Initialize DBE if (ps->o.dbe && BKEND_XRENDER != ps->o.backend) { printf_errf("(): DBE couldn't be used on GLX backend."); ps->o.dbe = false; } if (ps->o.dbe && !init_dbe(ps)) exit(1); // Initialize OpenGL as early as possible if (bkend_use_glx(ps)) { #ifdef CONFIG_VSYNC_OPENGL if (!glx_init(ps, true)) exit(1); #else printf_errfq(1, "(): GLX backend support not compiled in."); #endif } // Initialize window GL shader if (BKEND_GLX == ps->o.backend && ps->o.glx_fshader_win_str) { #ifdef CONFIG_VSYNC_OPENGL_GLSL if (!glx_load_prog_main(ps, NULL, ps->o.glx_fshader_win_str, &ps->o.glx_prog_win)) exit(1); #else printf_errf("(): GLSL supported not compiled in, can't load shader."); exit(1); #endif } // Initialize software optimization if (ps->o.sw_opti) ps->o.sw_opti = swopti_init(ps); #ifdef CONFIG_XRANDR // Monitor screen changes if vsync_sw is enabled and we are using // an auto-detected refresh rate, or when Xinerama features are enabled if (ps->randr_exists && ((ps->o.sw_opti && !ps->o.refresh_rate) || ps->o.xinerama_shadow_crop)) XRRSelectInput(ps->dpy, ps->root, RRScreenChangeNotifyMask); #else if( (ps->o.sw_opti && !ps->o.refresh_rate) ) { printf_errf("(): Xrandr support not compiled in. Plese specify --refrash-rate manually"); } if (ps->o.xinerama_shadow_crop) { printf_errf("(): due to Xrandr support not compiled in." " Xinerama features may malfunction on changing screen size."); } #endif // CONFIG_XRANDR // Initialize VSync if (!vsync_init(ps)) exit(1); cxinerama_upd_scrs(ps); // Create registration window if (!ps->reg_win && !register_cm(ps)) exit(1); init_atoms(ps); init_alpha_picts(ps); ps->gaussian_map = make_gaussian_map(ps->o.shadow_radius); presum_gaussian(ps, ps->gaussian_map); { XRenderPictureAttributes pa; pa.subwindow_mode = IncludeInferiors; ps->root_picture = XRenderCreatePicture(ps->dpy, ps->root, XRenderFindVisualFormat(ps->dpy, ps->vis), CPSubwindowMode, &pa); if (ps->o.paint_on_overlay) { ps->tgt_picture = XRenderCreatePicture(ps->dpy, ps->overlay, XRenderFindVisualFormat(ps->dpy, ps->vis), CPSubwindowMode, &pa); } else { ps->tgt_picture = ps->root_picture; } } // Initialize filters, must be preceded by OpenGL context creation if (!init_filters(ps)) exit(1); ps->black_picture = solid_picture(ps, true, 1, 0, 0, 0); ps->white_picture = solid_picture(ps, true, 1, 1, 1, 1); // Generates another Picture for shadows if the color is modified by // user if (!ps->o.shadow_red && !ps->o.shadow_green && !ps->o.shadow_blue) { ps->cshadow_picture = ps->black_picture; } else { ps->cshadow_picture = solid_picture(ps, true, 1, ps->o.shadow_red, ps->o.shadow_green, ps->o.shadow_blue); } fds_insert(ps, ConnectionNumber(ps->dpy), POLLIN); ps->tmout_unredir = timeout_insert(ps, ps->o.unredir_if_possible_delay, tmout_unredir_callback, NULL); ps->tmout_unredir->enabled = false; XGrabServer(ps->dpy); { Window root_return, parent_return; Window *children; unsigned int nchildren; XQueryTree(ps->dpy, ps->root, &root_return, &parent_return, &children, &nchildren); for (unsigned i = 0; i < nchildren; i++) { add_win(ps, children[i], i ? children[i-1] : None); } cxfree(children); } if (ps->o.track_focus) { recheck_focus(ps); } XUngrabServer(ps->dpy); // ALWAYS flush after XUngrabServer()! XFlush(ps->dpy); // Initialize DBus if (ps->o.dbus) { #ifdef CONFIG_DBUS cdbus_init(ps); if (!ps->dbus_conn) { cdbus_destroy(ps); ps->o.dbus = false; } #else printf_errfq(1, "(): DBus support not compiled in!"); #endif } // Fork to background, if asked if (ps->o.fork_after_register) { if (!fork_after(ps)) { session_destroy(ps); return NULL; } } write_pid(ps); // Free the old session if (ps_old) free(ps_old); return ps; } /** * Destroy a session. * * Does not close the X connection or free the <code>session_t</code> * structure, though. * * @param ps session to destroy */ static void session_destroy(session_t *ps) { redir_stop(ps); // Stop listening to events on root window XSelectInput(ps->dpy, ps->root, 0); #ifdef CONFIG_DBUS // Kill DBus connection if (ps->o.dbus) cdbus_destroy(ps); free(ps->dbus_service); #endif // Free window linked list { win *next = NULL; for (win *w = ps->list; w; w = next) { // Must be put here to avoid segfault next = w->next; if (IsViewable == w->a.map_state && !w->destroyed) win_ev_stop(ps, w); free_win_res(ps, w); free(w); } ps->list = NULL; } // Free alpha_picts { const int max = round(1.0 / ps->o.alpha_step) + 1; for (int i = 0; i < max; ++i) free_picture(ps, &ps->alpha_picts[i]); free(ps->alpha_picts); ps->alpha_picts = NULL; } #ifdef CONFIG_C2 // Free blacklists free_wincondlst(&ps->o.shadow_blacklist); free_wincondlst(&ps->o.fade_blacklist); free_wincondlst(&ps->o.focus_blacklist); free_wincondlst(&ps->o.invert_color_list); free_wincondlst(&ps->o.blur_background_blacklist); free_wincondlst(&ps->o.greyscale_background_blacklist); free_wincondlst(&ps->o.opacity_rules); free_wincondlst(&ps->o.paint_blacklist); free_wincondlst(&ps->o.unredir_if_possible_blacklist); #endif // Free tracked atom list { latom_t *next = NULL; for (latom_t *this = ps->track_atom_lst; this; this = next) { next = this->next; free(this); } ps->track_atom_lst = NULL; } // Free ignore linked list { ignore_t *next = NULL; for (ignore_t *ign = ps->ignore_head; ign; ign = next) { next = ign->next; free(ign); } // Reset head and tail ps->ignore_head = NULL; ps->ignore_tail = &ps->ignore_head; } // Free cshadow_picture and black_picture if (ps->cshadow_picture == ps->black_picture) ps->cshadow_picture = None; else free_picture(ps, &ps->cshadow_picture); free_picture(ps, &ps->black_picture); free_picture(ps, &ps->white_picture); // Free tgt_{buffer,picture} and root_picture if (ps->tgt_buffer.pict == ps->tgt_picture) ps->tgt_buffer.pict = None; if (ps->tgt_picture == ps->root_picture) ps->tgt_picture = None; else free_picture(ps, &ps->tgt_picture); free_fence(ps, &ps->tgt_buffer_fence); free_picture(ps, &ps->root_picture); free_paint(ps, &ps->tgt_buffer); // Free other X resources free_root_tile(ps); free_region(ps, &ps->screen_reg); free_region(ps, &ps->all_damage); for (int i = 0; i < CGLX_MAX_BUFFER_AGE; ++i) free_region(ps, &ps->all_damage_last[i]); free(ps->expose_rects); free(ps->shadow_corner); free(ps->shadow_top); free(ps->gaussian_map); free(ps->o.config_file); free(ps->o.write_pid_path); free(ps->o.display); free(ps->o.display_repr); free(ps->o.logpath); for (int i = 0; i < MAX_BLUR_PASS; ++i) { free(ps->o.blur_kerns[i]); free(ps->blur_kerns_cache[i]); } free(ps->pfds_read); free(ps->pfds_write); free(ps->pfds_except); free(ps->o.glx_fshader_win_str); free_xinerama_info(ps); #ifdef CONFIG_VSYNC_OPENGL glx_destroy(ps); #endif // Free double buffer if (ps->root_dbe) { XdbeDeallocateBackBufferName(ps->dpy, ps->root_dbe); ps->root_dbe = None; } #ifdef CONFIG_VSYNC_DRM // Close file opened for DRM VSync if (ps->drm_fd >= 0) { close(ps->drm_fd); ps->drm_fd = -1; } #endif // Release overlay window if (ps->overlay) { XCompositeReleaseOverlayWindow(ps->dpy, ps->overlay); ps->overlay = None; } // Free reg_win if (ps->reg_win) { XDestroyWindow(ps->dpy, ps->reg_win); ps->reg_win = None; } // Flush all events XSync(ps->dpy, True); #ifdef DEBUG_XRC // Report about resource leakage xrc_report_xid(); #endif // Free timeouts ps->tmout_unredir = NULL; timeout_clear(ps); if (ps == ps_g) ps_g = NULL; } /* static inline void dump_img(session_t *ps) { int len = 0; unsigned char *d = glx_take_screenshot(ps, &len); write_binary_data("/tmp/dump.raw", d, len); free(d); } */ /** * Do the actual work. * * @param ps current session */ static void session_run(session_t *ps) { win *t; if (ps->o.sw_opti) ps->paint_tm_offset = get_time_timeval().tv_usec; ps->reg_ignore_expire = true; t = paint_preprocess(ps, ps->list); if (ps->redirected) paint_all(ps, None, None, t); // Initialize idling ps->idling = false; // Main loop while (!ps->reset) { ps->ev_received = false; while (mainloop(ps)) continue; if (ps->o.benchmark) { if (ps->o.benchmark_wid) { win *w = find_win(ps, ps->o.benchmark_wid); if (!w) { printf_errf("(): Couldn't find specified benchmark window."); session_destroy(ps); exit(1); } add_damage_win(ps, w); } else { force_repaint(ps); } } // idling will be turned off during paint_preprocess() if needed ps->idling = true; t = paint_preprocess(ps, ps->list); ps->tmout_unredir_hit = false; // If the screen is unredirected, free all_damage to stop painting if (!ps->redirected || ON == ps->o.stoppaint_force) free_region(ps, &ps->all_damage); XserverRegion all_damage_orig = None; if (ps->o.resize_damage > 0) all_damage_orig = copy_region(ps, ps->all_damage); resize_region(ps, ps->all_damage, ps->o.resize_damage); if (ps->all_damage && !is_region_empty(ps, ps->all_damage, NULL)) { static int paint = 0; paint_all(ps, ps->all_damage, all_damage_orig, t); ps->reg_ignore_expire = false; paint++; if (ps->o.benchmark && paint >= ps->o.benchmark) exit(0); XSync(ps->dpy, False); ps->all_damage = None; } free_region(ps, &all_damage_orig); if (ps->idling) ps->fade_time = 0L; } } /** * Turn on the program reset flag. * * This will result in compton resetting itself after next paint. */ static void reset_enable(int __attribute__((unused)) signum) { session_t * const ps = ps_g; ps->reset = true; } /** * The function that everybody knows. */ int main(int argc, char **argv) { // Set locale so window names with special characters are interpreted // correctly setlocale(LC_ALL, ""); // Initialize signal handlers sigfillset(&block_mask); usr_action.sa_handler = handle_siguser; usr_action.sa_mask = block_mask; usr_action.sa_flags = 0; sigaction(SIGUSR1, &usr_action, NULL); sigaction(SIGUSR2, &usr_action, NULL); sigaction(SIGTERM, &usr_action, NULL); // Main loop session_t *ps_old = ps_g; while (1) { ps_g = session_init(ps_old, argc, argv); if (!ps_g) { printf_errf("(): Failed to create new session."); return 1; } /* Under no circumstances should these two lines EVER be moved earlier in main() than this point */ atexit(delete_pid_file); write_pid_file(getpid()); session_run(ps_g); ps_old = ps_g; session_destroy(ps_g); } free(ps_g); return 0; }