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Add support for _NET_WM_FULLSCREEN_MONITORS

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This patch adds the _NET_WM_FULLSCREEN_MONITORS hint as defined in EWMH which is based on Xinerama.
It's allowing a window to be displayed fullscreen on multiple monitors.

Issue mentioned at https://github.com/window-maker/wmaker/issues/8
Specs at https://specifications.freedesktop.org/wm-spec/1.5/ar01s06.html#idm45763309187776
GTK test program used https://bugzilla.gnome.org/show_bug.cgi?id=414476
This commit is contained in:
David Maciejak
2023-02-18 14:53:14 +08:00
committed by Carlos R. Mafra
parent ac75047aef
commit 4d658341d2
7 changed files with 139 additions and 2 deletions
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48
src/actions.c
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@@ -912,6 +912,54 @@ void wUnmaximizeWindow(WWindow *wwin)
WMPostNotificationName(WMNChangedState, wwin, "maximize");
}
#ifdef USE_XINERAMA
void wFullscreenMonitorsWindow(WWindow *wwin, unsigned long top, unsigned long bottom,
unsigned long left, unsigned long right)
{
int i;
long monitor;
WMRect rect1, rect2;
if ((int)top < wwin->screen_ptr->xine_info.count &&
(int)bottom < wwin->screen_ptr->xine_info.count &&
(int)left < wwin->screen_ptr->xine_info.count &&
(int)right < wwin->screen_ptr->xine_info.count) {
wwin->flags.fullscreen_monitors[0] = top;
wwin->flags.fullscreen_monitors[1] = bottom;
wwin->flags.fullscreen_monitors[2] = left;
wwin->flags.fullscreen_monitors[3] = right;
} else {
wwin->flags.fullscreen_monitors[0] = -1;
return;
}
wwin->flags.fullscreen = True;
wWindowConfigureBorders(wwin);
ChangeStackingLevel(wwin->frame->core, WMFullscreenLevel);
wwin->bfs_geometry.x = wwin->frame_x;
wwin->bfs_geometry.y = wwin->frame_y;
wwin->bfs_geometry.width = wwin->frame->core->width;
wwin->bfs_geometry.height = wwin->frame->core->height;
i = 0;
monitor = wwin->flags.fullscreen_monitors[i];
rect1 = wwin->screen_ptr->xine_info.screens[monitor];
for (i = 1; i <= 3; i++) {
monitor = wwin->flags.fullscreen_monitors[i];
rect2 = wwin->screen_ptr->xine_info.screens[monitor];
wGetRectUnion(&rect1, &rect2, &rect1);
}
wWindowConfigure(wwin, rect1.pos.x, rect1.pos.y, rect1.size.width, rect1.size.height);
wwin->screen_ptr->bfs_focused_window = wwin->screen_ptr->focused_window;
wSetFocusTo(wwin->screen_ptr, wwin);
WMPostNotificationName(WMNChangedState, wwin, "fullscreen");
}
#endif
void wFullscreenWindow(WWindow *wwin)
{
int head;