From 9d89b0be7d5d997790cc89f5bb68527c8ff23932 Mon Sep 17 00:00:00 2001
From: Søren Sandmann Pedersen <ssp@redhat.com>
Date: Thu, 8 Dec 2011 21:15:04 -0500
Subject: Disable decorations

---
 main.c   |  3 +++
 window.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 60 insertions(+), 3 deletions(-)

diff --git a/main.c b/main.c
index 973499f..98cb9b1 100644
--- a/main.c
+++ b/main.c
@@ -83,6 +83,9 @@ main ()
 	ws_window_copy_from_image (window, image, 0, 0, 0, h - 20, w, 20);
 	pixman_image_unref (image);
 
+	ws_window_resize (window, 700, 700);
+	ws_window_move (window, 600, 200);
+	
 	ws_window_finish (&window, 1);
     }
 
diff --git a/window.c b/window.c
index 11b7135..03195e9 100644
--- a/window.c
+++ b/window.c
@@ -2,6 +2,7 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <assert.h>
+#include <string.h>
 #include "window.h"
 #include "list.h"
 
@@ -341,6 +342,8 @@ process_configure_notify (ws_t *ws, XEvent *event)
 	Window child_window;
 	Display *dpy = window->ws->display;
 
+	printf ("new untranslated: %d %d\n",
+		event->xconfigure.x, event->xconfigure.y);
 	XTranslateCoordinates (
 	    dpy, window->xid, RootWindow (dpy, 0), 0, 0, &new_x, &new_y,
 	    &child_window);
@@ -354,6 +357,8 @@ process_configure_notify (ws_t *ws, XEvent *event)
     new_width = event->xconfigure.width;
     new_height = event->xconfigure.height;
 
+    printf ("new: %d %d %d %d\n", new_x, new_y, new_width, new_height);
+    
     /* If we are configure to a new size, then notify the user */
     config_type = 0;
 
@@ -577,6 +582,34 @@ ws_process (ws_t *ws)
     }
 }
 
+typedef struct
+{
+    unsigned long flags;
+    unsigned long functions;
+    unsigned long decorations;
+    long input_mode;
+    unsigned long status;
+} motif_hints_t;
+
+#define MWM_HINTS_DECORATIONS   (1 << 1)
+
+static void
+disable_decorations (window_t *window)
+{
+    Display *dpy = window->ws->display;
+    Atom atom = XInternAtom (dpy, "_MOTIF_WM_HINTS", FALSE);
+    motif_hints_t hints;
+
+    memset (&hints, 0, sizeof (hints));
+    hints.flags = MWM_HINTS_DECORATIONS;
+    hints.decorations = 0;
+    
+    XChangeProperty (dpy, window->xid,
+		     atom, atom, 32, PropModeReplace,
+		     (unsigned char *)&hints,
+		     sizeof (motif_hints_t) / sizeof (long));
+}
+
 /* Window */
 window_t *
 ws_create_window (ws_t           *ws,
@@ -619,7 +652,9 @@ ws_create_window (ws_t           *ws,
     list_init (&window->event_queue);
 
     window->motion_notify_time = 0;
-    
+
+    disable_decorations (window);
+
     return window;
 }
 
@@ -659,10 +694,29 @@ ws_window_move_resize (window_t *window,
 		       int	 width,
 		       int	 height)
 {
+    int need = 0;
+
+    if (x != window->x || y != window->y)
+	need |= 1;
+    if (width != get_width (window) || height != get_height (window))
+	need |= 2;
+    
     update_local_geometry (window, x, y, width, height);
 
-    XMoveResizeWindow (
-	window->ws->display, window->xid, x, y, width, height);
+    switch (need)
+    {
+    case 0:
+	break;
+    case 1:
+	XMoveWindow (window->ws->display, window->xid, x, y);
+	break;
+    case 2:
+	XResizeWindow (window->ws->display, window->xid, width, height);
+	break;
+    case 3:
+	XMoveResizeWindow (window->ws->display, window->xid, x, y, width, height);
+	break;
+    }
 }
 
 void
-- 
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