[PATCH 2/4] uxtheme/tests: Test WM_ERASEBKGND return value from custom dialog procedures.
Zhiyi Zhang
zzhang at codeweavers.com
Thu Mar 24 04:05:59 CDT 2022
Signed-off-by: Zhiyi Zhang <zzhang at codeweavers.com>
---
dlls/uxtheme/tests/system.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/dlls/uxtheme/tests/system.c b/dlls/uxtheme/tests/system.c
index 93b6f1aa8f7..1308d54264b 100644
--- a/dlls/uxtheme/tests/system.c
+++ b/dlls/uxtheme/tests/system.c
@@ -1614,6 +1614,7 @@ static const struct message empty_seq[] =
static HWND dialog_child;
static DWORD dialog_init_flag;
+static BOOL handle_WM_ERASEBKGND;
static BOOL handle_WM_CTLCOLORSTATIC;
static INT_PTR CALLBACK test_EnableThemeDialogTexture_proc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp)
@@ -1639,6 +1640,15 @@ static INT_PTR CALLBACK test_EnableThemeDialogTexture_proc(HWND hwnd, UINT msg,
EnableThemeDialogTexture(hwnd, dialog_init_flag);
return TRUE;
+ case WM_ERASEBKGND:
+ {
+ if (!handle_WM_ERASEBKGND)
+ return FALSE;
+
+ SetWindowLongPtrW(hwnd, DWLP_MSGRESULT, 0);
+ return TRUE;
+ }
+
case WM_CTLCOLORSTATIC:
return (INT_PTR)(handle_WM_CTLCOLORSTATIC ? GetSysColorBrush(COLOR_MENU) : 0);
@@ -1876,6 +1886,13 @@ static void test_EnableThemeDialogTexture(void)
GetSysColorBrush(COLOR_MENU), brush);
handle_WM_CTLCOLORSTATIC = FALSE;
+ /* Test that the dialog procedure should take precedence over DefDlgProc() for WM_ERASEBKGND */
+ handle_WM_ERASEBKGND = TRUE;
+ lr = SendMessageW(dialog, WM_ERASEBKGND, (WPARAM)child_hdc, 0);
+ todo_wine
+ ok(lr == 0, "Expected 0, got %#lx.\n", lr);
+ handle_WM_ERASEBKGND = FALSE;
+
/* Test that dialog doesn't have theme handle opened for itself */
ok(GetWindowTheme(dialog) == NULL, "Expected NULL theme handle.\n");
--
2.32.0
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