Merge pull request #4600 from andreesteve/xfullscreen

X11: Fix fullscreen toggle

diff --cc client/X11/xf_client.c
Simple merge

diff --cc client/X11/xf_monitor.c
Simple merge

diff --cc client/X11/xf_window.c
index 2b639f5,fabc1d8..813cf8e
--- 1/client/X11/xf_window.c
--- 2/client/X11/xf_window.c
+++ b/client/X11/xf_window.c
@@@ -158,12 -153,12 +158,15 @@@ void xf_SetWindowFullscreen(xfContext* 
        int startX, startY;
        UINT32 width = window->width;
        UINT32 height = window->height;
+       /* xfc->decorations is set by caller depending on settings and whether it is fullscreen or not */
        window->decorations = xfc->decorations;
+       /* show/hide decorations (e.g. title bar) as guided by xfc->decorations */
        xf_SetWindowDecorations(xfc, window->handle, window->decorations);
+       DEBUG_X11(TAG, "X window decoration set to %d", (int)window->decorations);
  
 +      if (xfc->floatbar)
 +              xf_floatbar_toggle_visibility(xfc, fullscreen);
 +
        if (fullscreen)
        {
                xfc->savedWidth = xfc->window->width;