From: Luca Bacci <luca.bacci982@gmail.com>
Date: Fri, 7 Oct 2022 16:15:29 +0000 (+0200)
Subject: GdkWin32: Fix resizes with native decorations
X-Git-Tag: archive/raspbian/4.12.3+ds-1+rpi1~1^2^2^2~22^2~9^2~35^2
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=acd7d739f554035d4757373664dc9bb4a8ffbde3;p=gtk4.git

GdkWin32: Fix resizes with native decorations

Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/5142
Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/5088
Fixes https://gitlab.gnome.org/GNOME/gtk/-/issues/5090
---

diff --git a/gdk/win32/gdkevents-win32.c b/gdk/win32/gdkevents-win32.c
index 60fd778a4a..382f134abd 100644
--- a/gdk/win32/gdkevents-win32.c
+++ b/gdk/win32/gdkevents-win32.c
@@ -2990,6 +2990,8 @@ gdk_event_translate (MSG *msg,
       }
 #endif
 
+      impl = GDK_WIN32_SURFACE (window);
+
       /* Break grabs on unmap or minimize */
       if (windowpos->flags & SWP_HIDEWINDOW ||
 	  ((windowpos->flags & SWP_STATECHANGED) && IsIconic (msg->hwnd)))
@@ -3050,9 +3052,18 @@ gdk_event_translate (MSG *msg,
 	  !(windowpos->flags & SWP_NOCLIENTSIZE) ||
 	  (windowpos->flags & SWP_SHOWWINDOW))
 	{
-	  if (!IsIconic (msg->hwnd) &&
-	      !GDK_SURFACE_DESTROYED (window))
-	    gdk_surface_request_layout (window);
+          if (!IsIconic (msg->hwnd) && !GDK_SURFACE_DESTROYED (window))
+            {
+              if (!_gdk_win32_surface_lacks_wm_decorations (window) &&
+                  !(windowpos->flags & SWP_NOCLIENTSIZE) &&
+                  window->width == impl->next_layout.configured_width &&
+                  window->height == impl->next_layout.configured_height)
+                {
+                  impl->inhibit_configure = TRUE;
+                }
+
+              gdk_surface_request_layout (window);
+            }
 	}
 
       if ((windowpos->flags & SWP_HIDEWINDOW) &&