[tkreuzer] 50370: [WIN32K] Reset monitor size after mode switch. patch by rafalh <rafalh1992 at o2 dor pl> See issue #5727 for more details.

Author: tkreuzer
Date: Wed Jan 12 14:02:54 2011
New Revision: 50370

URL: http://svn.reactos.org/svn/reactos?rev=50370&view=rev
Log:
[WIN32K]
Reset monitor size after mode switch. patch by rafalh <rafalh1992 at o2 dor pl>

See issue #5727 for more details.

Modified:
    trunk/reactos/subsystems/win32/win32k/include/monitor.h
    trunk/reactos/subsystems/win32/win32k/ntuser/display.c
    trunk/reactos/subsystems/win32/win32k/ntuser/monitor.c

Modified: trunk/reactos/subsystems/win32/win32k/include/monitor.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/inc...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/include/monitor.h [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/include/monitor.h [iso-8859-1] Wed Jan 12 14:02:54 2011
@@ -40,6 +40,7 @@

NTSTATUS IntAttachMonitor(PDEVOBJ *pGdiDevice, ULONG DisplayNumber);
 NTSTATUS IntDetachMonitor(PDEVOBJ *pGdiDevice);
+NTSTATUS IntResetMonitorSize(IN PDEVOBJ *pGdiDevice);
 PMONITOR FASTCALL UserGetMonitorObject(IN HMONITOR);
 PMONITOR FASTCALL IntGetPrimaryMonitor(VOID);

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/display.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ntu...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/display.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/display.c [iso-8859-1] Wed Jan 12 14:02:54 2011
@@ -765,6 +765,9 @@

//IntvGetDeviceCaps(&PrimarySurface, &GdiHandleTable->DevCaps);

+        /* Set new size of the monitor */
+        IntResetMonitorSize(ppdev);
+
         /* Remove all cursor clipping */
         UserClipCursor(NULL);

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/monitor.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ntu...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/monitor.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/monitor.c [iso-8859-1] Wed Jan 12 14:02:54 2011
@@ -246,6 +246,51 @@
     return STATUS_SUCCESS;
 }

+/* IntResetMonitorSize
+ *
+ * Reset size of the monitor using atached device
+ *
+ * Arguments
+ *
+ *   PMONITOR
+ *      pGdiDevice  Pointer to the PDEVOBJ, which size has changed
+ *
+ * Return value
+ *   Returns a NTSTATUS
+ */
+NTSTATUS
+IntResetMonitorSize(IN PDEVOBJ *pGdiDevice)
+{
+	PMONITOR Monitor;
+
+    for (Monitor = gMonitorList; Monitor != NULL; Monitor = Monitor->Next)
+    {
+        if (Monitor->GdiDevice == pGdiDevice)
+            break;
+    }
+
+    if (Monitor == NULL)
+    {
+        /* no monitor for given device found */
+        return STATUS_INVALID_PARAMETER;
+    }
+
+    Monitor->rcMonitor.left  = 0;
+    Monitor->rcMonitor.top   = 0;
+    Monitor->rcMonitor.right  = Monitor->rcMonitor.left + Monitor->GdiDevice->gdiinfo.ulHorzRes;
+    Monitor->rcMonitor.bottom = Monitor->rcMonitor.top + Monitor->GdiDevice->gdiinfo.ulVertRes;
+    Monitor->rcWork = Monitor->rcMonitor;
+
+    if (Monitor->hrgnMonitor)
+        REGION_FreeRgnByHandle(Monitor->hrgnMonitor);
+
+    Monitor->hrgnMonitor = IntSysCreateRectRgnIndirect( &Monitor->rcMonitor );
+
+    IntGdiSetRegionOwner(Monitor->hrgnMonitor, GDI_OBJ_HMGR_PUBLIC);
+
+    return STATUS_SUCCESS;
+}
+
 /* IntGetPrimaryMonitor
  *
  * Returns a PMONITOR for the primary monitor