Gabriel Ivăncescu : ddraw: Check the foreground window in addition to the device state in ddraw_update_lost_surfaces().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 992e3055b53b00ca290d8ffbec4923f155fe5726
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=992e3055b53b00ca290d8ffbec4923f155fe5726

Author: Gabriel Ivăncescu <gabrielopcode at gmail.com>
Date:   Thu Jul 30 17:00:29 2020 +0430

ddraw: Check the foreground window in addition to the device state in ddraw_update_lost_surfaces().

Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ddraw/ddraw.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/dlls/ddraw/ddraw.c b/dlls/ddraw/ddraw.c
index 3cbde6ea84..d7545e5c82 100644
--- a/dlls/ddraw/ddraw.c
+++ b/dlls/ddraw/ddraw.c
@@ -4975,6 +4975,19 @@ void ddraw_update_lost_surfaces(struct ddraw *ddraw)
 {
     struct ddraw_surface *surface;
 
+    /* Railroad Tycoon 2 tries to restore surfaces from within a
+     * WM_QUERYNEWPALETTE message handler and expects it to succeed. We
+     * haven't received the WM_ACTIVATEAPP message by that point, so the
+     * device state is still DDRAW_DEVICE_STATE_LOST, even though we are in
+     * the foreground. */
+    if (ddraw->device_state == DDRAW_DEVICE_STATE_LOST)
+    {
+        HWND window = ddraw->focuswindow ? ddraw->focuswindow : ddraw->dest_window;
+
+        if (window && GetForegroundWindow() == window)
+            ddraw->device_state = DDRAW_DEVICE_STATE_NOT_RESTORED;
+    }
+
     if (ddraw->device_state != DDRAW_DEVICE_STATE_NOT_RESTORED)
         return;