[gtk+/wip/gbsneto/edge-constraints-gtk4: 1/5] gdk: introduce edge constraint states

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 65e98609b8e71ddbbf17f8a6e593a509830099e1
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Aug 17 00:23:07 2017 -0300

    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

 gdk/gdkevents.h |   37 +++++++++++++++++++++++++++----------
 1 files changed, 27 insertions(+), 10 deletions(-)
---
diff --git a/gdk/gdkevents.h b/gdk/gdkevents.h
index 405ccc1..782da58 100644
--- 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 3.22.21, this
+ *                          is deprecated in favor of per-edge information.
+ * @GDK_WINDOW_STATE_TOP_TILED: whether the top edge is tiled, Since 3.22.21
+ * @GDK_WINDOW_STATE_TOP_RESIZABLE: whether the top edge is resizable, Since 3.22.21
+ * @GDK_WINDOW_STATE_RIGHT_TILED: whether the right edge is tiled, Since 3.22.21
+ * @GDK_WINDOW_STATE_RIGHT_RESIZABLE: whether the right edge is resizable, Since 3.22.21
+ * @GDK_WINDOW_STATE_BOTTOM_TILED: whether the bottom edge is tiled, Since 3.22.21
+ * @GDK_WINDOW_STATE_BOTTOM_RESIZABLE: whether the bottom edge is resizable, Since 3.22.21
+ * @GDK_WINDOW_STATE_LEFT_TILED: whether the left edge is tiled, Since 3.22.21
+ * @GDK_WINDOW_STATE_LEFT_RESIZABLE: whether the left edge is resizable, Since 3.22.21
  *
  * 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;
 
 /**