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user32: A window may be notified with WM_CAPTURECHANGED about itself if SetCapture() is called twice. 

Signed-off-by: Christopher Thielen <cthielen@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Christopher Thielen 2016-01-31 20:32:51 -08:00 committed by Alexandre Julliard
parent 85faafc0e3
commit 9bb87cc71c
2 changed files with 29 additions and 1 deletions
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2
dlls/user32/input.c
View File

@ -108,7 +108,7 @@ BOOL set_capture_window( HWND hwnd, UINT gui_flags, HWND *prev_ret )
{
USER_Driver->pSetCapture( hwnd, gui_flags );
if (previous && previous != hwnd)
if (previous)
SendMessageW( previous, WM_CAPTURECHANGED, 0, (LPARAM)hwnd );
if (prev_ret) *prev_ret = previous;

28
dlls/user32/tests/msg.c
View File

@ -15125,6 +15125,33 @@ else
flush_sequence();
}
static const struct message DoubleSetCaptureSeq[] =
{
{ WM_CAPTURECHANGED, sent },
{ 0 }
};
static void test_DoubleSetCapture(void)
{
HWND hwnd;
hwnd = CreateWindowExA(0, "TestWindowClass", "Test DoubleSetCapture",
WS_OVERLAPPEDWINDOW | WS_VISIBLE,
100, 100, 200, 200, 0, 0, 0, NULL);
ok (hwnd != 0, "Failed to create overlapped window\n");
ShowWindow( hwnd, SW_SHOW );
UpdateWindow( hwnd );
flush_events();
flush_sequence();
SetCapture( hwnd );
SetCapture( hwnd );
ok_sequence(DoubleSetCaptureSeq, "SetCapture( hwnd ) twice", FALSE);
DestroyWindow(hwnd);
}
static void init_funcs(void)
{
HMODULE hKernel32 = GetModuleHandleA("kernel32.dll");
@ -15265,6 +15292,7 @@ START_TEST(msg)
test_layered_window();
test_TrackPopupMenu();
test_TrackPopupMenuEmpty();
test_DoubleSetCapture();
/* keep it the last test, under Windows it tends to break the tests
* which rely on active/foreground windows being correct.
*/