Rework tiling code based off Consortium

Taken from
https://github.com/SolusOS-discontinued/consortium/commit/b463e03f5bdeab307ceee6b969c681f29537c76d

1 files changed, 43 insertions, 0 deletions

diff --git a/src/core/keybindings.c b/src/core/keybindings.c
index 83dc4f93..8176b96f 100644
--- a/src/core/keybindings.c
+++ b/src/core/keybindings.c
@@ -1394,6 +1394,10 @@ process_mouse_move_resize_grab (MetaDisplay *display,
 
   if (keysym == XK_Escape)
     {
+      /* Restore the original tile mode */
+      window->tile_mode = display->grab_tile_mode;
+      window->tile_monitor_number = display->grab_tile_monitor_number;
+
       /* End move or resize and restore to original state.  If the
        * window was a maximized window that had been "shaken loose" we
        * need to remaximize it.  In normal cases, we need to do a
@@ -1405,6 +1409,8 @@ process_mouse_move_resize_grab (MetaDisplay *display,
         meta_window_maximize (window,
                               META_MAXIMIZE_HORIZONTAL |
                               META_MAXIMIZE_VERTICAL);
+      else if (window->tile_mode == META_TILE_LEFT || window->tile_mode == META_TILE_RIGHT)
+        meta_window_tile (window);
       else if (!display->grab_wireframe_active)
         meta_window_move_resize (display->grab_window,
                                  TRUE,
@@ -3016,6 +3022,43 @@ handle_toggle_above       (MetaDisplay    *display,
     meta_window_make_above (window);
 }
 
+/* TODO: actually use this keybinding, without messing up the existing keybinding schema */
+static void
+handle_toggle_tiled (MetaDisplay *display,
+                     MetaScreen *screen,
+                     MetaWindow *window,
+                     XEvent *event,
+                     MetaKeyBinding *binding)
+{
+  MetaTileMode mode = binding->handler->data;
+
+  if ((META_WINDOW_TILED_LEFT (window) && mode == META_TILE_LEFT) ||
+      (META_WINDOW_TILED_RIGHT (window) && mode == META_TILE_RIGHT))
+    {
+      window->tile_mode = META_TILE_NONE;
+
+      if (window->saved_maximize)
+        meta_window_maximize (window, META_MAXIMIZE_VERTICAL |
+                                      META_MAXIMIZE_HORIZONTAL);
+      else
+        meta_window_unmaximize (window, META_MAXIMIZE_VERTICAL |
+                                        META_MAXIMIZE_HORIZONTAL);
+    }
+  else if (meta_window_can_tile (window))
+    {
+      window->tile_mode = mode;
+      window->tile_monitor_number = meta_screen_get_xinerama_for_window (window->screen, window)->number;
+      /* Maximization constraints beat tiling constraints, so if the window
+       * is maximized, tiling won't have any effect unless we unmaximize it
+       * horizontally first; rather than calling meta_window_unmaximize(),
+       * we just set the flag and rely on meta_window_tile() syncing it to
+       * save an additional roundtrip.
+       */
+      window->maximized_horizontally = FALSE;
+      meta_window_tile (window);
+    }
+}
+
 static void
 handle_toggle_maximized    (MetaDisplay    *display,
                            MetaScreen     *screen,