[1/2] explorer: Store current display mode in the registry on startup. Try 2.

[Dmitry Timoshkov]

Hello,

as suggested by Alexandre this version of the patch saves current display
mode only in the case of using X11 root window for now.

Changelog:
    [1/2] explorer: Store current display mode in the registry on startup.
---
 programs/explorer/desktop.c |   16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletions(-)

diff --git a/programs/explorer/desktop.c b/programs/explorer/desktop.c
index 7f2e23f..7bc8568 100644
--- a/programs/explorer/desktop.c
+++ b/programs/explorer/desktop.c
@@ -38,7 +38,7 @@ static BOOL using_root;
 /* window procedure for the desktop window */
 static LRESULT WINAPI desktop_wnd_proc( HWND hwnd, UINT message, WPARAM wp, LPARAM lp )
 {
-    WINE_TRACE( "got msg %x wp %lx lp %lx\n", message, wp, lp );
+    WINE_TRACE( "got msg %04x wp %lx lp %lx\n", message, wp, lp );
 
     switch(message)
     {
@@ -174,6 +174,20 @@ void manage_desktop( char *arg )
         initialize_diskarbitration();
         initialize_hal();
         initialize_systray();
+
+        if (using_root)
+        {
+            DEVMODEW dmW;
+            /* Store current display mode in the registry */
+            if (EnumDisplaySettingsExW( NULL, ENUM_CURRENT_SETTINGS, &dmW, 0 ))
+            {
+                WINE_TRACE( "Current display mode %ux%u %u bpp %u Hz\n", dmW.dmPelsWidth,
+                            dmW.dmPelsHeight, dmW.dmBitsPerPel, dmW.dmDisplayFrequency );
+                ChangeDisplaySettingsExW( NULL, &dmW, 0,
+                                          CDS_GLOBAL | CDS_NORESET | CDS_UPDATEREGISTRY,
+                                          NULL );
+            }
+        }
     }
     else
     {
-- 
1.5.3.4