added aux_clear_window() for xlib compatibility, in spite of misgivings

2 files changed, 13 insertions, 0 deletions

diff --git a/aux/xcb_aux.c b/aux/xcb_aux.c
index f152669..3602afa 100644
--- a/aux/xcb_aux.c
+++ b/aux/xcb_aux.c
@@ -323,3 +323,13 @@ xcb_aux_set_line_attributes_checked (xcb_connection_t *dpy,
     XCB_AUX_ADD_PARAM(&mask, &gv, join_style, joinstyle);
     return xcb_aux_change_gc_checked(dpy, gc, mask, &gv);
 }
+
+/* Adapted from Xlib */
+/* XXX It would be wiser for apps just to call
+   clear_area() directly. */
+xcb_void_cookie_t
+xcb_aux_clear_window(xcb_connection_t *  dpy,
+		     xcb_window_t        w)
+{
+    return xcb_clear_area(dpy, 0, w, 0, 0, 0, 0);
+}
diff --git a/aux/xcb_aux.h b/aux/xcb_aux.h
index fce1f9e..952b0c3 100644
--- a/aux/xcb_aux.h
+++ b/aux/xcb_aux.h
@@ -188,6 +188,9 @@ xcb_aux_set_line_attributes_checked (xcb_connection_t *dpy,
 				     int32_t capstyle,
 				     int32_t joinstyle);
 
+xcb_void_cookie_t
+xcb_aux_clear_window(xcb_connection_t *  dpy,
+		     xcb_window_t        w);
 
 #ifdef __cplusplus
 }