Add support for full screen window state using the NETWM protocol

[Dmitry Timoshkov]

Hello,

this patch works for me with Internet Explorer and Diablo II demo.

Changelog:
    Add support for full screen window state using the NETWM protocol.

diff -up cvs/hq/wine/dlls/x11drv/winpos.c wine/dlls/x11drv/winpos.c
--- cvs/hq/wine/dlls/x11drv/winpos.c	2006-06-06 17:38:00.000000000 +0900
+++ wine/dlls/x11drv/winpos.c	2006-06-16 17:49:37.000000000 +0900
@@ -78,6 +78,9 @@ WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD     9   /* size via keyboard */
 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD    10   /* move via keyboard */
 
+#define _NET_WM_STATE_REMOVE  0
+#define _NET_WM_STATE_ADD     1
+#define _NET_WM_STATE_TOGGLE  2
 
 /***********************************************************************
  *           X11DRV_Expose
@@ -520,6 +523,43 @@ void X11DRV_SetWindowStyle( HWND hwnd, D
 
 
 /***********************************************************************
+ *     update_fullscreen_state
+ *
+ * Use the NETWM protocol to set the fullscreen state.
+ * This only works for mapped windows.
+ */
+static void update_fullscreen_state( Display *display, struct x11drv_win_data *data )
+{
+    XEvent xev;
+    BOOL on = FALSE;
+
+    if (data->whole_rect.left <= 0 && data->whole_rect.right >= screen_width &&
+        data->whole_rect.top <= 0 && data->whole_rect.bottom >= screen_height)
+        on = TRUE;
+
+    TRACE("setting fullscreen state for hwnd %p to %s\n", data->hwnd, on ? "true" : "false");
+
+    wine_tsx11_lock();
+
+    if (data->whole_window)
+    {
+        xev.xclient.type = ClientMessage;
+        xev.xclient.window = data->whole_window;
+        xev.xclient.message_type = x11drv_atom(_NET_WM_STATE);
+        xev.xclient.serial = 0;
+        xev.xclient.display = display;
+        xev.xclient.send_event = True;
+        xev.xclient.format = 32;
+        xev.xclient.data.l[0] = on ? _NET_WM_STATE_ADD : _NET_WM_STATE_REMOVE;
+        xev.xclient.data.l[1] = x11drv_atom(_NET_WM_STATE_FULLSCREEN);
+        xev.xclient.data.l[2] = 0;
+        XSendEvent(display, root_window, False, SubstructureRedirectMask | SubstructureNotifyMask, &xev);
+    }
+    wine_tsx11_unlock();
+}
+
+
+/***********************************************************************
  *           X11DRV_set_window_pos
  *
  * Set a window position and Z order.
@@ -670,6 +710,7 @@ BOOL X11DRV_set_window_pos( HWND hwnd, H
                     XMapWindow( display, data->whole_window );
                     wine_tsx11_unlock();
                 }
+                update_fullscreen_state( display, data );
             }
         }
     }
diff -up cvs/hq/wine/dlls/x11drv/x11drv.h wine/dlls/x11drv/x11drv.h
--- cvs/hq/wine/dlls/x11drv/x11drv.h	2006-06-14 16:29:44.000000000 +0900
+++ wine/dlls/x11drv/x11drv.h	2006-06-16 16:27:03.000000000 +0900
@@ -565,6 +565,8 @@ enum x11drv_atoms
     XATOM_DndSelection,
     XATOM__MOTIF_WM_HINTS,
     XATOM__KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR,
+    XATOM__NET_WM_STATE,
+    XATOM__NET_WM_STATE_FULLSCREEN,
     XATOM__NET_WM_MOVERESIZE,
     XATOM__NET_WM_PID,
     XATOM__NET_WM_PING,
diff -up cvs/hq/wine/dlls/x11drv/x11drv_main.c wine/dlls/x11drv/x11drv_main.c
--- cvs/hq/wine/dlls/x11drv/x11drv_main.c	2006-06-14 16:29:44.000000000 +0900
+++ wine/dlls/x11drv/x11drv_main.c	2006-06-16 16:14:20.000000000 +0900
@@ -127,6 +127,8 @@ static const char * const atom_names[NB_
     "DndSelection",
     "_MOTIF_WM_HINTS",
     "_KDE_NET_WM_SYSTEM_TRAY_WINDOW_FOR",
+    "_NET_WM_STATE",
+    "_NET_WM_STATE_FULLSCREEN",
     "_NET_WM_MOVERESIZE",
     "_NET_WM_PID",
     "_NET_WM_PING",