From f396a2bebc9c365527c5c6e4d4d489879e8bbea4 Mon Sep 17 00:00:00 2001
From: Victor Kareh <vkareh@vkareh.net>
Date: Wed, 30 Aug 2017 15:13:58 -0400
Subject: Store a window flag when user resizes from tiled

Use that flag to retain the correct window size when performing other
operations. Reset when re-tiling.
---
 src/core/constraints.c    | 8 +++++++-
 src/core/keybindings.c    | 1 +
 src/core/window-private.h | 1 +
 src/core/window.c         | 6 ++++++
 4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/core/constraints.c b/src/core/constraints.c
index 783449d3..99b0aefa 100644
--- a/src/core/constraints.c
+++ b/src/core/constraints.c
@@ -929,7 +929,13 @@ constrain_tiling (MetaWindow         *window,
           break;
         }
 
-      /* Maintain current tile size for all other user-initiated alternatives */
+      /* Mark window as being resized from a tiled state */
+      window->tile_resized = TRUE;
+    }
+
+  if (window->tile_resized)
+    {
+      /* Maintain current tile size for user-resized windows */
       target_size.x = info->orig.x;
       target_size.width = info->orig.width;
     }
diff --git a/src/core/keybindings.c b/src/core/keybindings.c
index f4eb01b1..fd17b49d 100644
--- a/src/core/keybindings.c
+++ b/src/core/keybindings.c
@@ -3109,6 +3109,7 @@ handle_toggle_tiled (MetaDisplay *display,
   else if (meta_window_can_tile (window))
     {
       window->tile_mode = mode;
+      window->tile_resized = FALSE;
       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
diff --git a/src/core/window-private.h b/src/core/window-private.h
index e449b172..e775a59e 100644
--- a/src/core/window-private.h
+++ b/src/core/window-private.h
@@ -146,6 +146,7 @@ struct _MetaWindow
    * this is the current mode. If not, it is the mode which will be
    * requested after the window grab is released */
   guint tile_mode : 2;
+  guint tile_resized : 1;
 
   /* The last "full" maximized/unmaximized state. We need to keep track of
    * that to toggle between normal/tiled or maximized/tiled states. */
diff --git a/src/core/window.c b/src/core/window.c
index 1bb3bb76..546600dd 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -476,6 +476,7 @@ meta_window_new_with_attrs (MetaDisplay       *display,
   window->require_titlebar_visible = TRUE;
   window->on_all_workspaces = FALSE;
   window->tile_mode = META_TILE_NONE;
+  window->tile_resized = FALSE;
   window->tile_monitor_number = -1;
   window->shaded = FALSE;
   window->initially_iconic = FALSE;
@@ -7032,6 +7033,7 @@ update_move (MetaWindow  *window,
       /* Check if the cursor is in a position which triggers tiling
        * and set tile_mode accordingly.
        */
+      MetaTileMode tile_mode = window->tile_mode;
       if (meta_window_can_tile (window) &&
           x >= monitor->rect.x && x < (work_area.x + shake_threshold))
         window->tile_mode = META_TILE_LEFT;
@@ -7047,6 +7049,10 @@ update_move (MetaWindow  *window,
 
       if (window->tile_mode != META_TILE_NONE)
         window->tile_monitor_number = monitor->number;
+
+      /* Reset resized flag when changing tile mode */
+      if (tile_mode != window->tile_mode)
+        window->tile_resized = FALSE;
     }
 
   /* shake loose (unmaximize) maximized or tiled window if dragged beyond
-- 
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