gdk: introduce edge constraint states

These states will be consumed by GtkWindow in order to
have better edge management on tiling situations. Their
values are supplied by the compositor, and will be send
through and X11 Atom or a Wayland protocol extension.

https://bugzilla.gnome.org/show_bug.cgi?id=783669

diff --git a/gdk/gdkevents.h b/gdk/gdkevents.h
index e7ebcc2eeb16908ddc5c5d21b41d8a6d7a8efae7..f32e29a48c53723ad6f9be4b7b8fcf1b0cbbb87e 100644 (file)
--- a/gdk/gdkevents.h
+++ b/gdk/gdkevents.h
@@ -520,21 +520,38 @@ typedef enum
  * @GDK_WINDOW_STATE_ABOVE: the window is kept above other windows.
  * @GDK_WINDOW_STATE_BELOW: the window is kept below other windows.
  * @GDK_WINDOW_STATE_FOCUSED: the window is presented as focused (with active decorations).
- * @GDK_WINDOW_STATE_TILED: the window is in a tiled state, Since 3.10
+ * @GDK_WINDOW_STATE_TILED: the window is in a tiled state, Since 3.10. Since 3.22.23, this
+ *                          is deprecated in favor of per-edge information.
+ * @GDK_WINDOW_STATE_TOP_TILED: whether the top edge is tiled, Since 3.22.23
+ * @GDK_WINDOW_STATE_TOP_RESIZABLE: whether the top edge is resizable, Since 3.22.23
+ * @GDK_WINDOW_STATE_RIGHT_TILED: whether the right edge is tiled, Since 3.22.23
+ * @GDK_WINDOW_STATE_RIGHT_RESIZABLE: whether the right edge is resizable, Since 3.22.23
+ * @GDK_WINDOW_STATE_BOTTOM_TILED: whether the bottom edge is tiled, Since 3.22.23
+ * @GDK_WINDOW_STATE_BOTTOM_RESIZABLE: whether the bottom edge is resizable, Since 3.22.23
+ * @GDK_WINDOW_STATE_LEFT_TILED: whether the left edge is tiled, Since 3.22.23
+ * @GDK_WINDOW_STATE_LEFT_RESIZABLE: whether the left edge is resizable, Since 3.22.23
  *
  * Specifies the state of a toplevel window.
  */
 typedef enum
 {
-  GDK_WINDOW_STATE_WITHDRAWN  = 1 << 0,
-  GDK_WINDOW_STATE_ICONIFIED  = 1 << 1,
-  GDK_WINDOW_STATE_MAXIMIZED  = 1 << 2,
-  GDK_WINDOW_STATE_STICKY     = 1 << 3,
-  GDK_WINDOW_STATE_FULLSCREEN = 1 << 4,
-  GDK_WINDOW_STATE_ABOVE      = 1 << 5,
-  GDK_WINDOW_STATE_BELOW      = 1 << 6,
-  GDK_WINDOW_STATE_FOCUSED    = 1 << 7,
-  GDK_WINDOW_STATE_TILED      = 1 << 8
+  GDK_WINDOW_STATE_WITHDRAWN        = 1 << 0,
+  GDK_WINDOW_STATE_ICONIFIED        = 1 << 1,
+  GDK_WINDOW_STATE_MAXIMIZED        = 1 << 2,
+  GDK_WINDOW_STATE_STICKY           = 1 << 3,
+  GDK_WINDOW_STATE_FULLSCREEN       = 1 << 4,
+  GDK_WINDOW_STATE_ABOVE            = 1 << 5,
+  GDK_WINDOW_STATE_BELOW            = 1 << 6,
+  GDK_WINDOW_STATE_FOCUSED          = 1 << 7,
+  GDK_WINDOW_STATE_TILED            = 1 << 8,
+  GDK_WINDOW_STATE_TOP_TILED        = 1 << 9,
+  GDK_WINDOW_STATE_TOP_RESIZABLE    = 1 << 10,
+  GDK_WINDOW_STATE_RIGHT_TILED      = 1 << 11,
+  GDK_WINDOW_STATE_RIGHT_RESIZABLE  = 1 << 12,
+  GDK_WINDOW_STATE_BOTTOM_TILED     = 1 << 13,
+  GDK_WINDOW_STATE_BOTTOM_RESIZABLE = 1 << 14,
+  GDK_WINDOW_STATE_LEFT_TILED       = 1 << 15,
+  GDK_WINDOW_STATE_LEFT_RESIZABLE   = 1 << 16
 } GdkWindowState;
 
 /**