Fix resize handling when enabling and disabling full-screen mode.

[u/mdw/putty] / windows / window.c

diff --git a/windows/window.c b/windows/window.c
index 7cd306d..f0006f0 100644 (file)
--- a/windows/window.c
+++ b/windows/window.c
@@ -1973,6 +1973,7 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
     static int ignore_clip = FALSE;
     static int need_backend_resize = FALSE;
     static int fullscr_on_max = FALSE;
+    static int processed_resize = FALSE;
     static UINT last_mousemove = 0;
 
     switch (message) {
@@ -2756,13 +2757,36 @@ static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
                          cfg.win_name_always ? window_name : icon_name);
        if (wParam == SIZE_RESTORED || wParam == SIZE_MAXIMIZED)
            SetWindowText(hwnd, window_name);
-        if (wParam == SIZE_RESTORED)
+        if (wParam == SIZE_RESTORED) {
+            processed_resize = FALSE;
             clear_full_screen();
+            if (processed_resize) {
+                /*
+                 * Inhibit normal processing of this WM_SIZE; a
+                 * secondary one was triggered just now by
+                 * clear_full_screen which contained the correct
+                 * client area size.
+                 */
+                return 0;
+            }
+        }
         if (wParam == SIZE_MAXIMIZED && fullscr_on_max) {
             fullscr_on_max = FALSE;
+            processed_resize = FALSE;
             make_full_screen();
+            if (processed_resize) {
+                /*
+                 * Inhibit normal processing of this WM_SIZE; a
+                 * secondary one was triggered just now by
+                 * make_full_screen which contained the correct client
+                 * area size.
+                 */
+                return 0;
+            }
         }
 
+        processed_resize = TRUE;
+
        if (cfg.resize_action == RESIZE_DISABLED) {
            /* A resize, well it better be a minimize. */
            reset_window(-1);