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gdk_display_get_monitor_at_window: Check for offscreen windows

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And get the embedder before continuing, as the backend-specific
get_monitor_at_window () only knows about its own windows.

In order to check for offscreen windows, we introduce a new function
gdk_window_is_impl_offscreen (). Unlike gdk_window_is_offscreen (),
it doesn't rely on the window_type field, but actually checks whether
GDK_WINDOW_IMPL_GET_CLASS (window->impl) is GdkOffscreenWindow.

See previous commit for informations.
This commit is contained in:
Luca Bacci 2023-12-13 12:27:32 +01:00
parent 0c72ce94ea
commit 6982415c9f
3 changed files with 14 additions and 0 deletions
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2
gdk/gdk-private.h
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@ -31,6 +31,8 @@ gboolean gdk_display_get_debug_updates (GdkDisplay *display);
void gdk_display_set_debug_updates (GdkDisplay *display,
gboolean debug_updates);
gboolean gdk_window_is_impl_offscreen (GdkWindow *window);
const gchar * gdk_get_desktop_startup_id (void);
const gchar * gdk_get_desktop_autostart_id (void);

3
gdk/gdkdisplay.c
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@ -2710,6 +2710,9 @@ gdk_display_get_monitor_at_window (GdkDisplay *display,
g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
if (window && gdk_window_is_impl_offscreen (window))
window = gdk_offscreen_window_get_embedder (window);
class = GDK_DISPLAY_GET_CLASS (display);
if (class->get_monitor_at_window)
{

9
gdk/gdkoffscreenwindow.c
View File

@ -780,3 +780,12 @@ gdk_offscreen_window_class_init (GdkOffscreenWindowClass *klass)
impl_class->delete_property = NULL;
impl_class->get_scale_factor = gdk_offscreen_window_get_scale_factor;
}
gboolean
gdk_window_is_impl_offscreen (GdkWindow *window)
{
g_return_val_if_fail (GDK_IS_WINDOW (window), FALSE);
return GDK_IS_OFFSCREEN_WINDOW (window->impl);
}