Stefan Dösinger : d3d8/tests: Work around focus-follows-mouse test failures.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 724f68c4553c1e88d065bc97be53e4c437be2511
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=724f68c4553c1e88d065bc97b...

Author: Stefan Dösinger <stefan(a)codeweavers.com>
Date:   Mon Dec 18 21:39:29 2017 +0100

d3d8/tests: Work around focus-follows-mouse test failures.

Signed-off-by: Stefan Dösinger <stefan(a)codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/d3d8/tests/device.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dlls/d3d8/tests/device.c b/dlls/d3d8/tests/device.c
index 915ab8b..8743a24 100644
--- a/dlls/d3d8/tests/device.c
+++ b/dlls/d3d8/tests/device.c
@@ -2888,7 +2888,11 @@ static void test_wndproc(void)
     hr = reset_device(device, &device_desc);
     ok(SUCCEEDED(hr), "Failed to reset device, hr %#x.\n", hr);
 
-    ShowWindow(device_window, SW_HIDE);
+    /* Remove the WS_VISIBLE flag to test hidden windows. This is enough to trigger d3d's hidden
+     * window codepath, but does not actually hide the window without a SetWindowPos(SWP_FRAMECHANGED)
+     * call. This way we avoid focus changes and random failures on focus follows mouse WMs. */
+    device_style = GetWindowLongA(device_window, GWL_STYLE);
+    SetWindowLongA(device_window, GWL_STYLE, device_style & ~WS_VISIBLE);
     flush_events();
 
     expect_messages = focus_loss_messages_hidden;