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-/*
- Copyright (C) 2002-2010 Karl J. Runge <runge@karlrunge.com>
- All rights reserved.
-
-This file is part of x11vnc.
-
-x11vnc is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or (at
-your option) any later version.
-
-x11vnc is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with x11vnc; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
-or see <http://www.gnu.org/licenses/>.
-
-In addition, as a special exception, Karl J. Runge
-gives permission to link the code of its release of x11vnc with the
-OpenSSL project's "OpenSSL" library (or with modified versions of it
-that use the same license as the "OpenSSL" library), and distribute
-the linked executables. You must obey the GNU General Public License
-in all respects for all of the code used other than "OpenSSL". If you
-modify this file, you may extend this exception to your version of the
-file, but you are not obligated to do so. If you do not wish to do
-so, delete this exception statement from your version.
-*/
-
-/* -- x11vnc_defs.c -- */
-
-#include "x11vnc.h"
-
-int overlay_present = 0;
-
-int xrandr_base_event_type = 0;
-
-int xfixes_base_event_type = 0;
-int xtest_base_event_type = 0;
-#if LIBVNCSERVER_HAVE_LIBXTRAP
-XETC *trap_ctx = NULL;
-#endif
-int xtrap_base_event_type = 0;
-int xdamage_base_event_type = 0;
-
-/* date +'lastmod: %Y-%m-%d' */
-char lastmod[] = "0.9.13 lastmod: 2010-12-27";
-
-/* X display info */
-
-Display *dpy = NULL; /* the single display screen we connect to */
-int scr = 0;
-char *xauth_raw_data = NULL;
-int xauth_raw_len = 0;
-Window window = None, rootwin = None; /* polled window, root window (usu. same) */
-Visual *default_visual = NULL; /* the default visual (unless -visual) */
-int bpp = 0, depth = 0;
-int indexed_color = 0;
-int dpy_x = 0, dpy_y = 0; /* size of display */
-int fb_x = 0, fb_y = 0, fb_b = 0; /* fb size and bpp guesses at display */
-int off_x, off_y; /* offsets for -sid */
-int wdpy_x, wdpy_y; /* for actual sizes in case of -clip */
-int cdpy_x, cdpy_y, coff_x, coff_y; /* the -clip params */
-int button_mask = 0; /* button state and info */
-int button_mask_prev = 0;
-int num_buttons = -1;
-
-long xselectinput_rootwin = 0;
-
-unsigned int display_button_mask = 0;
-unsigned int display_mod_mask = 0;
-
-/* image structures */
-XImage *scanline = NULL;
-XImage *fullscreen = NULL;
-XImage **tile_row = NULL; /* for all possible row runs */
-XImage *snaprect = NULL; /* for XShmGetImage (fs_factor) */
-XImage *snap = NULL; /* the full snap fb */
-XImage *raw_fb_image = NULL; /* the raw fb */
-
-/* corresponding shm structures */
-XShmSegmentInfo scanline_shm;
-XShmSegmentInfo fullscreen_shm;
-XShmSegmentInfo *tile_row_shm; /* for all possible row runs */
-XShmSegmentInfo snaprect_shm;
-
-/* rfb screen info */
-rfbScreenInfoPtr screen = NULL;
-char *rfb_desktop_name = NULL;
-char *http_dir = NULL;
-char vnc_desktop_name[256];
-char *main_fb = NULL; /* our copy of the X11 fb */
-char *rfb_fb = NULL; /* same as main_fb unless transformation */
-char *fake_fb = NULL; /* used under -padgeom */
-char *snap_fb = NULL; /* used under -snapfb */
-char *cmap8to24_fb = NULL; /* used under -8to24 */
-char *rot_fb = NULL;
-char *raw_fb = NULL; /* when used should be main_fb */
-char *raw_fb_addr = NULL;
-int raw_fb_offset = 0;
-int raw_fb_shm = 0;
-int raw_fb_mmap = 0;
-int raw_fb_seek = 0;
-int raw_fb_fd = -1;
-int raw_fb_back_to_X = 0; /* kludge for testing rawfb -> X */
-
-int raw_fb_native_bpp = 0;
-int raw_fb_expand_bytes = 1;
-unsigned long raw_fb_native_red_mask = 0, raw_fb_native_green_mask = 0, raw_fb_native_blue_mask = 0;
-unsigned short raw_fb_native_red_max = 0, raw_fb_native_green_max = 0, raw_fb_native_blue_max = 0;
-unsigned short raw_fb_native_red_shift = 0, raw_fb_native_green_shift = 0, raw_fb_native_blue_shift = 0;
-
-int rfb_bytes_per_line = 0;
-int main_bytes_per_line = 0;
-int rot_bytes_per_line = 0;
-unsigned long main_red_mask = 0, main_green_mask = 0, main_blue_mask = 0;
-unsigned short main_red_max = 0, main_green_max = 0, main_blue_max = 0;
-unsigned short main_red_shift = 0, main_green_shift = 0, main_blue_shift = 0;
-
-int raw_fb_bytes_per_line = 0;
-
-/* scaling parameters */
-char *scale_str = NULL;
-double scale_fac_x = 1.0;
-double scale_fac_y = 1.0;
-int scaling = 0;
-int scaling_blend = 1; /* for no blending option (very course) */
-int scaling_nomult4 = 0; /* do not require width = n * 4 */
-int scaling_pad = 0; /* pad out scaled sizes to fit denominator */
-int scaling_interpolate = 0; /* use interpolation scheme when shrinking */
-int scaled_x = 0, scaled_y = 0; /* dimensions of scaled display */
-int scale_numer = 0, scale_denom = 0; /* n/m */
-char *rotating_str = NULL;
-int rotating = 0;
-int rotating_same = 0;
-int rotating_cursors = 0;
-
-/* scale cursor */
-char *scale_cursor_str = NULL;
-double scale_cursor_fac_x = 1.0;
-double scale_cursor_fac_y = 1.0;
-int scaling_cursor = 0;
-int scaling_cursor_blend = 1;
-int scaling_cursor_interpolate = 0;
-int scale_cursor_numer = 0, scale_cursor_denom = 0;
-
-/* size of the basic tile unit that is polled for changes: */
-int tile_x = 32;
-int tile_y = 32;
-int ntiles, ntiles_x = 0, ntiles_y = 0;
-
-/* arrays that indicate changed or checked tiles. */
-unsigned char *tile_has_diff = NULL, *tile_tried = NULL, *tile_copied = NULL;
-unsigned char *tile_has_xdamage_diff = NULL, *tile_row_has_xdamage_diff = NULL;
-
-/* times of recent events */
-time_t last_event = 0, last_input = 0, last_client = 0, last_open_xdisplay = 0;
-time_t last_local_input = 0;
-time_t last_keyboard_input = 0, last_pointer_input = 0;
-time_t last_fb_bytes_sent = 0;
-double last_keyboard_time = 0.0;
-double last_pointer_time = 0.0;
-double last_pointer_click_time = 0.0;
-double last_pointer_motion_time = 0.0;
-double last_key_to_button_remap_time = 0.0;
-double last_copyrect = 0.0;
-double last_copyrect_fix = 0.0;
-double last_wireframe = 0.0;
-double servertime_diff = 0.0;
-double x11vnc_start = 0.0;
-double x11vnc_current = 0.0;
-double g_now = 0.0;
-
-double last_get_wm_frame_time = 0.0;
-Window last_get_wm_frame = None;
-double last_bs_restore = 0.0;
-double last_su_restore = 0.0;
-double last_bs_save = 0.0;
-double last_su_save = 0.0;
-
-int hack_val = 0;
-
-/* last client to move pointer */
-rfbClientPtr last_pointer_client = NULL;
-rfbClientPtr latest_client = NULL;
-double last_client_gone = 0.0;
-double last_new_client = 0.0;
-
-int waited_for_client = 0;
-int findcreatedisplay = 0;
-char *terminal_services_daemon = NULL;
-
-int client_count = 0;
-int clients_served = 0;
-int client_normal_count = 0;
-
-/* more transient kludge variables: */
-int cursor_x = 0, cursor_y = 0; /* x and y from the viewer(s) */
-int button_change_x = 0, button_change_y = 0;
-int got_user_input = 0;
-int got_pointer_input = 0;
-int got_local_pointer_input = 0;
-int got_pointer_calls = 0;
-int got_keyboard_input = 0;
-int got_keyboard_calls = 0;
-int urgent_update = 0;
-int last_keyboard_keycode = 0;
-rfbBool last_rfb_down = FALSE;
-rfbBool last_rfb_key_accepted = FALSE;
-rfbKeySym last_rfb_keysym = 0;
-double last_rfb_keytime = 0.0;
-double last_rfb_key_injected = 0.0;
-double last_rfb_ptr_injected = 0.0;
-int fb_copy_in_progress = 0;
-int drag_in_progress = 0;
-int shut_down = 0;
-int do_copy_screen = 0;
-time_t damage_time = 0;
-int damage_delay = 0;
-
-int program_pid = 0;
-char *program_name = NULL;
-char *program_cmdline = NULL;
-
-struct utsname UT;
-
-