From 6753dea682b368198a1e3bd6dfbe4fa5e58298fa Mon Sep 17 00:00:00 2001
From: Ove Kaaven <ovek@transgaming.com>
Date: Fri, 27 Apr 2001 18:00:06 +0000
Subject: [PATCH] Reimplemented DXGrab with improvements; it no longer depends
 on XVidMode, and it releases the grab if the app exits full-screen
 DirectDraw.  Also made the UseDGA option available for AppDefaults
 configuration.

---
 dlls/x11drv/dga2.c        |  5 +++--
 dlls/x11drv/x11ddraw.c    | 27 +++++++++++++++++++++++++++
 dlls/x11drv/x11drv_main.c |  7 +++++++
 dlls/x11drv/xvidmode.c    |  4 ++++
 4 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/dlls/x11drv/dga2.c b/dlls/x11drv/dga2.c
index 9a1f62b3623..939cb6a15f5 100644
--- a/dlls/x11drv/dga2.c
+++ b/dlls/x11drv/dga2.c
@@ -18,10 +18,11 @@
 #include "wingdi.h"
 #include "ddrawi.h"
 #include "debugtools.h"
-#include "options.h"
 
 DEFAULT_DEBUG_CHANNEL(x11drv);
 
+extern int usedga;
+
 LPDDHALMODEINFO xf86dga2_modes;
 unsigned xf86dga2_mode_count;
 static XDGAMode* modes;
@@ -52,7 +53,7 @@ void X11DRV_XF86DGA2_Init(void)
   /* if in desktop mode, don't use DGA */
   if (X11DRV_GetXRootWindow() != DefaultRootWindow(display)) return;
 
-  if (!PROFILE_GetWineIniBool("x11drv", "UseDGA", 1)) return;
+  if (!usedga) return;
 
   if (!TSXDGAQueryExtension(display, &dga_event, &dga_error)) return;
 
diff --git a/dlls/x11drv/x11ddraw.c b/dlls/x11drv/x11ddraw.c
index 47f2ce98ba3..cad9e4df53e 100644
--- a/dlls/x11drv/x11ddraw.c
+++ b/dlls/x11drv/x11ddraw.c
@@ -18,10 +18,13 @@
 #include "wingdi.h"
 #include "ddrawi.h"
 #include "bitmap.h"
+#include "win.h"
 #include "debugtools.h"
 
 DEFAULT_DEBUG_CHANNEL(x11drv);
 
+extern int dxgrab;
+
 LPDDRAWI_DDRAWSURFACE_LCL X11DRV_DD_Primary;
 LPDDRAWI_DDRAWSURFACE_GBL X11DRV_DD_PrimaryGbl;
 HWND X11DRV_DD_PrimaryWnd;
@@ -43,6 +46,28 @@ static void SetPrimaryDIB(HBITMAP hBmp)
   }
 }
 
+static void GrabPointer(HWND hWnd)
+{
+  if (hWnd) {
+    WND *tmpWnd;
+    Window win;
+    /* find the X11 window that ddraw uses */
+    tmpWnd = WIN_FindWndPtr(hWnd);
+    win = X11DRV_WND_GetXWindow(tmpWnd);
+    TRACE("WND: %p win: %ld\n", tmpWnd, win);
+    WIN_ReleaseWndPtr(tmpWnd);
+    if (!win) {
+      TRACE("host off desktop\n");
+      tmpWnd = WIN_FindWndPtr(GetDesktopWindow());
+      win = X11DRV_WND_GetXWindow(tmpWnd);
+      TRACE("Owner WND: %p win: %ld\n", tmpWnd, win);
+      WIN_ReleaseWndPtr(tmpWnd);
+    }
+    TSXGrabPointer(display, win, True, 0, GrabModeAsync, GrabModeAsync, win, None, CurrentTime);
+  }
+  else TSXUngrabPointer(display, CurrentTime);
+}
+
 static DWORD PASCAL X11DRV_DDHAL_DestroyDriver(LPDDHAL_DESTROYDRIVERDATA data)
 {
   data->ddRVal = DD_OK;
@@ -57,6 +82,7 @@ static DWORD PASCAL X11DRV_DDHAL_CreateSurface(LPDDHAL_CREATESURFACEDATA data)
     X11DRV_DD_PrimaryGbl = X11DRV_DD_Primary->lpGbl;
     SetPrimaryDIB(GET_LPDDRAWSURFACE_GBL_MORE(X11DRV_DD_PrimaryGbl)->hKernelSurface);
     X11DRV_DD_UserClass = GlobalFindAtomA("WINE_DDRAW");
+    if (dxgrab) GrabPointer(X11DRV_DD_PrimaryWnd);
   }
   data->ddRVal = DD_OK;
   return DDHAL_DRIVER_NOTHANDLED;
@@ -94,6 +120,7 @@ static DWORD PASCAL X11DRV_DDHAL_DestroySurface(LPDDHAL_DESTROYSURFACEDATA data)
     X11DRV_DD_PrimaryGbl = NULL;
     SetPrimaryDIB(0);
     X11DRV_DD_UserClass = 0;
+    if (dxgrab) GrabPointer(0);
   }
   data->ddRVal = DD_OK;
   return DDHAL_DRIVER_HANDLED;
diff --git a/dlls/x11drv/x11drv_main.c b/dlls/x11drv/x11drv_main.c
index 014c0403b6e..631f801efab 100644
--- a/dlls/x11drv/x11drv_main.c
+++ b/dlls/x11drv/x11drv_main.c
@@ -56,6 +56,7 @@ unsigned int screen_width;
 unsigned int screen_height;
 unsigned int screen_depth;
 Window root_window;
+int dxgrab, usedga;
 
 unsigned int X11DRV_server_startticks;
 
@@ -207,6 +208,12 @@ static void setup_options(void)
         if (!IS_OPTION_FALSE(buffer[0])) desktop_geometry = strdup(buffer);
     }
 
+    if (!get_config_key( hkey, appkey, "DXGrab", buffer, sizeof(buffer) ))
+        dxgrab = IS_OPTION_TRUE( buffer[0] );
+
+    if (!get_config_key( hkey, appkey, "UseDGA", buffer, sizeof(buffer) ))
+        usedga = IS_OPTION_TRUE( buffer[0] );
+
     screen_depth = 0;
     if (!get_config_key( hkey, appkey, "ScreenDepth", buffer, sizeof(buffer) ))
         screen_depth = atoi(buffer);
diff --git a/dlls/x11drv/xvidmode.c b/dlls/x11drv/xvidmode.c
index 09fa8994ed1..40980fa50c9 100644
--- a/dlls/x11drv/xvidmode.c
+++ b/dlls/x11drv/xvidmode.c
@@ -116,7 +116,11 @@ void X11DRV_XF86VM_SetCurrentMode(int mode)
   if (!xf86vm_modes) return; /* no XVidMode */
 
   TSXF86VidModeSwitchToMode(display, DefaultScreen(display), modes[mode]);
+#if 0 /* it is said that SetViewPort causes problems with some X servers */
   TSXF86VidModeSetViewPort(display, DefaultScreen(display), 0, 0);
+#else
+  TSXWarpPointer(display, None, DefaultRootWindow(display), 0, 0, 0, 0, 0, 0);
+#endif
   TSXSync(display, False);
 }