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-rw-r--r--kwin/events.cpp211
1 files changed, 211 insertions, 0 deletions
diff --git a/kwin/events.cpp b/kwin/events.cpp
index ba6321a7c..a30e915e1 100644
--- a/kwin/events.cpp
+++ b/kwin/events.cpp
@@ -1078,6 +1078,217 @@ int qtToX11State( Qt::ButtonState state )
// for the decoration window cannot be (easily) intercepted as X11 events
bool Client::eventFilter( TQObject* o, TQEvent* e )
{
+ if (o == shadowWidget)
+ {
+ if (e->type() == TQEvent::MouseButtonRelease)
+ {
+ int buttonMask, buttonPressed, x, y, x_root, y_root;
+ unsigned int mask;
+ TQMouseEvent *qe = (TQMouseEvent *)e;
+ Window inner_window, parent_window, pointer_window, root_window;
+ XButtonEvent xe;
+
+ removeShadow();
+ switch (qe->button())
+ {
+ case Qt::MidButton:
+ buttonMask = Button2Mask;
+ buttonPressed = Button2;
+ break;
+ case Qt::RightButton:
+ buttonMask = Button3Mask;
+ buttonPressed = Button3;
+ break;
+ default:
+ buttonMask = Button1Mask;
+ buttonPressed = Button1;
+ break;
+ }
+
+ // find the window under the cursor that should receive the
+ // simulated events
+ root_window = qt_xrootwin();
+ XQueryPointer(qt_xdisplay(), root_window, &root_window,
+ &pointer_window, &x_root, &y_root, &x, &y, &mask);
+
+ if (pointer_window != None)
+ {
+ // Save the child window immediately under the window
+ // decoration, if any. This is so that we can send an event to
+ // the immediate descendant of a window's window decoration,
+ // which causes KWin to refocus windows properly
+ parent_window = pointer_window;
+ XQueryPointer(qt_xdisplay(), parent_window, &root_window,
+ &pointer_window, &x_root, &y_root, &x, &y, &mask);
+ inner_window = pointer_window;
+
+ while (pointer_window != None)
+ {
+ // Recursively query for the child window under the pointer,
+ // using the returned child window as the parent window for
+ // the subsequent query. When no child window is left, we've
+ // found the child that will receive the simulated event
+ parent_window = pointer_window;
+ XQueryPointer(qt_xdisplay(), parent_window, &root_window,
+ &pointer_window, &x_root, &y_root, &x, &y, &mask);
+ }
+ pointer_window = parent_window;
+ }
+ else
+ inner_window = None;
+
+ // simulate a mouse button press
+ xe.type = ButtonPress;
+ xe.display = qt_xdisplay();
+ xe.root = qt_xrootwin();
+ xe.subwindow = None;
+ xe.time = CurrentTime;
+ xe.x = x;
+ xe.y = y;
+ xe.x_root = x_root;
+ xe.y_root = y_root;
+ xe.state = 0;
+ xe.button = buttonPressed;
+ xe.same_screen = True;
+ if (inner_window != None && inner_window != pointer_window)
+ {
+ xe.window = inner_window;
+ XSendEvent(qt_xdisplay(), inner_window, True, ButtonPressMask,
+ (XEvent *)&xe);
+ }
+ xe.window = pointer_window;
+ XSendEvent(qt_xdisplay(), pointer_window, True, ButtonPressMask,
+ (XEvent *)&xe);
+
+ // simulate a mouse button release
+ xe.type = ButtonRelease;
+ xe.display = qt_xdisplay();
+ xe.root = qt_xrootwin();
+ xe.subwindow = None;
+ xe.time = CurrentTime;
+ xe.x = x;
+ xe.y = y;
+ xe.x_root = x_root;
+ xe.y_root = y_root;
+ xe.state = buttonMask;
+ xe.button = buttonPressed;
+ xe.same_screen = True;
+ if (inner_window != None && inner_window != pointer_window)
+ {
+ xe.window = inner_window;
+ XSendEvent(qt_xdisplay(), inner_window, True, ButtonReleaseMask,
+ (XEvent *)&xe);
+ }
+ xe.window = pointer_window;
+ XSendEvent(qt_xdisplay(), pointer_window, True, ButtonReleaseMask,
+ (XEvent *)&xe);
+
+ drawDelayedShadow();
+
+ return true;
+ }
+ else if (e->type() == TQEvent::Wheel)
+ {
+ int x, y, x_root, y_root;
+ unsigned int buttonMask, buttonPressed, mask;
+ TQWheelEvent *wheelEvent = (TQWheelEvent *)e;
+ Window inner_window, parent_window, pointer_window,
+ root_window;
+ XButtonEvent xe;
+
+ removeShadow();
+
+ // state and button parameters passed to XSendEvent depend on the
+ // direction in which the mouse wheel was rolled
+ buttonMask = wheelEvent->delta() > 0 ? Button4Mask : Button5Mask;
+ buttonPressed = wheelEvent->delta() > 0 ? Button4 : Button5;
+
+ // find the window under the cursor that should receive the
+ // simulated events
+ root_window = qt_xrootwin();
+ XQueryPointer(qt_xdisplay(), root_window, &root_window,
+ &pointer_window, &x_root, &y_root, &x, &y, &mask);
+
+ if (pointer_window != None)
+ {
+ // Save the child window immediately under the window
+ // decoration, if any. This is so that we can send an event to
+ // the immediate descendant of a window's window decoration,
+ // which causes KWin to refocus windows properly
+ parent_window = pointer_window;
+ XQueryPointer(qt_xdisplay(), parent_window, &root_window,
+ &pointer_window, &x_root, &y_root, &x, &y, &mask);
+ inner_window = pointer_window;
+
+ while (pointer_window != None)
+ {
+ // Recursively query for the child window under the pointer,
+ // using the returned child window as the parent window for
+ // the subsequent query. When no child window is left, we've
+ // found the child that will receive the simulated event
+ parent_window = pointer_window;
+ XQueryPointer(qt_xdisplay(), parent_window, &root_window,
+ &pointer_window, &x_root, &y_root, &x, &y, &mask);
+ }
+ pointer_window = parent_window;
+ }
+ else
+ inner_window = None;
+
+ // simulate a mouse button press
+ xe.type = ButtonPress;
+ xe.display = qt_xdisplay();
+ xe.root = qt_xrootwin();
+ xe.subwindow = None;
+ xe.time = CurrentTime;
+ xe.x = x;
+ xe.y = y;
+ xe.x_root = x_root;
+ xe.y_root = y_root;
+ xe.state = 0;
+ xe.same_screen = True;
+ if (inner_window != None && inner_window != pointer_window)
+ {
+ xe.button = buttonPressed;
+ xe.window = inner_window;
+ XSendEvent(qt_xdisplay(), inner_window, True, ButtonPressMask,
+ (XEvent *)&xe);
+ }
+ xe.button = buttonPressed;
+ xe.window = pointer_window;
+ XSendEvent(qt_xdisplay(), pointer_window, True, ButtonPressMask,
+ (XEvent *)&xe);
+
+ // simulate a mouse button release
+ xe.type = ButtonRelease;
+ xe.display = qt_xdisplay();
+ xe.root = qt_xrootwin();
+ xe.subwindow = None;
+ xe.time = CurrentTime;
+ xe.x = x;
+ xe.y = y;
+ xe.x_root = x_root;
+ xe.y_root = y_root;
+ xe.same_screen = True;
+ if (inner_window != None && inner_window != pointer_window)
+ {
+ xe.window = inner_window;
+ xe.state = buttonMask;
+ xe.button = buttonPressed;
+ XSendEvent(qt_xdisplay(), inner_window, True, ButtonReleaseMask,
+ (XEvent *)&xe);
+ }
+ xe.state = buttonMask;
+ xe.button = buttonPressed;
+ xe.window = pointer_window;
+ XSendEvent(qt_xdisplay(), pointer_window, True, ButtonReleaseMask,
+ (XEvent *)&xe);
+
+ drawDelayedShadow();
+
+ return true;
+ }
+ }
if( decoration == NULL
|| o != decoration->widget())
return false;
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-14 22:44:22 +0000