[PATCH 1/2] winex11: Read _NET_SUPPORTED atom list on process attach.

[Rémi Bernon]

From: Rémi Bernon

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=57453
---
 dlls/winex11.drv/window.c | 33 ++++++++++++++-------------------
 1 file changed, 14 insertions(+), 19 deletions(-)

diff --git a/dlls/winex11.drv/window.c b/dlls/winex11.drv/window.c
index dee8bec18d0..6228d2e0409 100644
--- a/dlls/winex11.drv/window.c
+++ b/dlls/winex11.drv/window.c
@@ -104,6 +104,10 @@ static XContext host_window_context = 0;
 static Time last_user_time;
 static Window user_time_window;

+/* list of _NET_SUPPORTED atoms */
+static Atom *net_supported;
+static int net_supported_count;
+
 static const WCHAR whole_window_prop[] =
     {'_','_','w','i','n','e','_','x','1','1','_','w','h','o','l','e','_','w','i','n','d','o','w',0};
 static const WCHAR clip_window_prop[] =
@@ -3260,26 +3264,9 @@ LRESULT X11DRV_WindowMessage( HWND hwnd, UINT msg, WPARAM wp, LPARAM lp )
 /***********************************************************************
  *              is_netwm_supported
  */
-static BOOL is_netwm_supported( Display *display, Atom atom )
+static BOOL is_netwm_supported( Atom atom )
 {
-    static Atom *net_supported;
-    static int net_supported_count = -1;
     int i;
-
-    if (net_supported_count == -1)
-    {
-        Atom type;
-        int format;
-        unsigned long count, remaining;
-
-        if (!XGetWindowProperty( display, DefaultRootWindow(display), x11drv_atom(_NET_SUPPORTED), 0,
-                                 ~0UL, False, XA_ATOM, &type, &format, &count,
-                                 &remaining, (unsigned char **)&net_supported ))
-            net_supported_count = get_property_size( format, count ) / sizeof(Atom);
-        else
-            net_supported_count = 0;
-    }
-
     for (i = 0; i < net_supported_count; i++)
         if (net_supported[i] == atom) return TRUE;
     return FALSE;
@@ -3364,7 +3351,7 @@ LRESULT X11DRV_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam, const POINT

if (NtUserGetWindowLongW( hwnd, GWL_STYLE ) & WS_MAXIMIZE) goto failed;

-    if (!is_netwm_supported( data->display, x11drv_atom(_NET_WM_MOVERESIZE) ))
+    if (!is_netwm_supported( x11drv_atom(_NET_WM_MOVERESIZE) ))
     {
         TRACE( "_NET_WM_MOVERESIZE not supported\n" );
         goto failed;
@@ -3410,6 +3397,14 @@ void X11DRV_FlashWindowEx( FLASHWINFO *pfinfo )

void init_win_context(void)
 {
+    unsigned long count, remaining;
+    int format;
+    Atom type;
+
+    if (!XGetWindowProperty( gdi_display, DefaultRootWindow( gdi_display ), x11drv_atom(_NET_SUPPORTED), 0, 65536 / sizeof(CARD32),
+                             False, XA_ATOM, &type, &format, &count, &remaining, (unsigned char **)&net_supported ))
+        net_supported_count = get_property_size( format, count ) / sizeof(Atom);
+
     init_recursive_mutex( &win_data_mutex );

winContext = XUniqueContext();