X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=openbox%2Fgeom.h;h=e9ecf9d266a515c72bd2b9acbe87a3cfeeb54942;hb=d0013c0861e29433de10a849032382534c8e1659;hp=91dd48eb2301de62f5f1e8ac625ae669279cc042;hpb=335e8acbfc5d2824f1fd2cb67a5add8e1ed40b06;p=chaz%2Fopenbox

diff --git a/openbox/geom.h b/openbox/geom.h
index 91dd48eb..e9ecf9d2 100644
--- a/openbox/geom.h
+++ b/openbox/geom.h
@@ -1,7 +1,8 @@
 /* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
 
    geom.h for the Openbox window manager
-   Copyright (c) 2003        Ben Jansens
+   Copyright (c) 2006        Mikael Magnusson
+   Copyright (c) 2003-2007   Dana Jansens
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -62,10 +63,13 @@ typedef struct _Rect {
 #define RECT_CONTAINS_RECT(r, o) \
     ((o).x >= (r).x && (o).x + (o).width <= (r).x + (r).width && \
      (o).y >= (r).y && (o).y + (o).height <= (r).y + (r).height)
+
+/* Returns true if Rect r and o intersect */
 #define RECT_INTERSECTS_RECT(r, o) \
     ((o).x < (r).x + (r).width && (o).x + (o).width > (r).x && \
      (o).y < (r).y + (r).height && (o).y + (o).height > (r).y)
 
+/* Sets Rect r to be the intersection of Rect a and b. */
 #define RECT_SET_INTERSECTION(r, a, b) \
     ((r).x = MAX((a).x, (b).x), \
      (r).y = MAX((a).y, (b).y), \
@@ -109,6 +113,9 @@ typedef struct _StrutPartial {
     (s1).top = MAX((s1).top, (s2).top), \
     (s1).bottom = MAX((s1).bottom, (s2).bottom)
 
+#define STRUT_EXISTS(s1) \
+    ((s1).left || (s1).top || (s1).right || (s1).bottom)
+
 #define STRUT_EQUAL(s1, s2) \
     ((s1).left == (s2).left && \
      (s1).top == (s2).top && \