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List:       wine-devel
Subject:    [PATCH v3] user32: Send the WM_NCCALCSIZE message with wparam TRUE when creating a window.
From:       Haoyang Chen <chenhaoyang () uniontech ! com>
Date:       2020-12-31 8:57:59
Message-ID: f458d248-9467-923a-aa10-67e733a9dffe () uniontech ! com
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["0001-user32-Send-the-WM_NCCALCSIZE-message-with-wparam-TR.patch" (text/x-patch)]

From e68c919f202e641e4944eaaa0a6ef781a5f601e6 Mon Sep 17 00:00:00 2001
From: Haoyang Chen <chenhaoyang@uniontech.com>
Date: Thu, 31 Dec 2020 16:40:52 +0800
Subject: [PATCH] user32: Send the WM_NCCALCSIZE message with wparam TRUE when
 creating a window.

If the application processes the WM_NCCALCSIZE message with wparam TRUE
to re-size the client/non-client area, the drawing of the client and
non-client areas is abnormal.

Signed-off-by: Haoyang Chen <chenhaoyang@uniontech.com>
---
 dlls/user32/win.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/user32/win.c b/dlls/user32/win.c
index 680defc2071..f4f2c76d8b7 100644
--- a/dlls/user32/win.c
+++ b/dlls/user32/win.c
@@ -1717,6 +1717,11 @@ HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module,
             /* ShowWindow won't activate child windows */
             SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
         }
+
+        /* Send wparam is TRUE WM_NCCALCSIZE message to update the window rectangle */
+        if (sw == SW_SHOW && cs->style & WS_CAPTION)
+            SetWindowPos( hwnd, 0, rect.left, rect.top, rect.right - rect.left,
+                    rect.bottom - rect.top, SWP_NOACTIVATE|SWP_FRAMECHANGED);
     }
 
     /* Call WH_SHELL hook */
-- 
2.20.1



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