make the canvas as big as the window

1 files changed, 3 insertions, 1 deletions

diff --git a/xlib.c b/xlib.c
index 4d8d039..1aa7717 100644
--- a/xlib.c
+++ b/xlib.c
@@ -54,9 +54,11 @@ RunesWindow *runes_window_create()
 cairo_surface_t *runes_surface_create(RunesWindow *w)
 {
     Visual *vis;
+    XWindowAttributes attrs;
 
+    XGetWindowAttributes(w->dpy, w->w, &attrs);
     vis = DefaultVisual(w->dpy, DefaultScreen(w->dpy));
-    return cairo_xlib_surface_create(w->dpy, w->w, vis, 240, 80);
+    return cairo_xlib_surface_create(w->dpy, w->w, vis, attrs.width, attrs.height);
 }
 
 void runes_window_prepare_input(RunesWindow *w)