+/* -*- indent-tabs-mode: nil; tab-width: 4; c-basic-offset: 4; -*-
+
+ geom.h for the Openbox window manager
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ See the COPYING file for a copy of the GNU General Public License.
+*/
+
#ifndef __geom_h
#define __geom_h
-typedef struct Point {
+#include <glib.h>
+
+typedef struct _GravityCoord {
+ gint pos;
+ gint denom;
+ gboolean center;
+ gboolean opposite;
+} GravityCoord;
+
+typedef struct _GravityPoint {
+ GravityCoord x;
+ GravityCoord y;
+} GravityPoint;
+
+#define GRAVITY_COORD_SET(c, p, cen, opp) \
+ (c).pos = (p), (c).center = (cen), (c).opposite = (opp)
+
+
+typedef struct _Point {
int x;
int y;
} Point;
#define POINT_SET(pt, nx, ny) (pt).x = (nx), (pt).y = (ny)
+#define POINT_EQUAL(p1, p2) ((p1).x == (p2).x && (p1).y == (p2).y)
-typedef struct Size {
+typedef struct _Size {
int width;
int height;
} Size;
#define SIZE_SET(sz, w, h) (sz).width = (w), (sz).height = (h)
-typedef struct Rect {
+typedef struct _Rect {
int x;
int y;
int width;
int height;
} Rect;
+#define RECT_LEFT(r) ((r).x)
+#define RECT_TOP(r) ((r).y)
+#define RECT_RIGHT(r) ((r).x + (r).width - 1)
+#define RECT_BOTTOM(r) ((r).y + (r).height - 1)
+
+#define RECT_AREA(r) ((r).width * (r).height)
+
#define RECT_SET_POINT(r, nx, ny) \
- (r).x = (ny), (r).y = (ny)
+ (r).x = (nx), (r).y = (ny)
#define RECT_SET_SIZE(r, w, h) \
(r).width = (w), (r).height = (h)
#define RECT_SET(r, nx, ny, w, h) \
(r).x = (nx), (r).y = (ny), (r).width = (w), (r).height = (h)
#define RECT_EQUAL(r1, r2) ((r1).x == (r2).x && (r1).y == (r2).y && \
- (r1).width == (r2).width && \
+ (r1).width == (r2).width && \
(r1).height == (r2).height)
+#define RECT_EQUAL_DIMS(r, x, y, w, h) \
+ ((r).x == (x) && (r).y == (y) && (r).width == (w) && (r).height == (h))
+
+#define RECT_TO_DIMS(r, x, y, w, h) \
+ (x) = (r).x, (y) = (r).y, (w) = (r).width, (h) = (r).height
-#define RECT_CONTAINS(r, x, y) \
- ((x) >= (r).x && (x) < (r).x + (r).width && \
- (y) >= (r).y && (y) < (r).y + (r).height)
+#define RECT_CONTAINS(r, px, py) \
+ ((px) >= (r).x && (px) < (r).x + (r).width && \
+ (py) >= (r).y && (py) < (r).y + (r).height)
#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)
-typedef struct Strut {
+/* 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), \
+ (r).width = MIN((a).x + (a).width - 1, \
+ (b).x + (b).width - 1) - (r).x + 1, \
+ (r).height = MIN((a).y + (a).height - 1, \
+ (b).y + (b).height - 1) - (r).y + 1)
+
+typedef struct _Strut {
int left;
int top;
int right;
int bottom;
} Strut;
+typedef struct _StrutPartial {
+ int left;
+ int top;
+ int right;
+ int bottom;
+
+ int left_start, left_end;
+ int top_start, top_end;
+ int right_start, right_end;
+ int bottom_start, bottom_end;
+} StrutPartial;
+
#define STRUT_SET(s, l, t, r, b) \
(s).left = (l), (s).top = (t), (s).right = (r), (s).bottom = (b)
+#define STRUT_PARTIAL_SET(s, l, t, r, b, ls, le, ts, te, rs, re, bs, be) \
+ (s).left = (l), (s).top = (t), (s).right = (r), (s).bottom = (b), \
+ (s).left_start = (ls), (s).left_end = (le), \
+ (s).top_start = (ts), (s).top_end = (te), \
+ (s).right_start = (rs), (s).right_end = (re), \
+ (s).bottom_start = (bs), (s).bottom_end = (be)
+
#define STRUT_ADD(s1, s2) \
(s1).left = MAX((s1).left, (s2).left), \
(s1).right = MAX((s1).right, (s2).right), \
(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 && \
+ (s1).right == (s2).right && \
+ (s1).bottom == (s2).bottom)
+
+#define PARTIAL_STRUT_EQUAL(s1, s2) \
+ ((s1).left == (s2).left && \
+ (s1).top == (s2).top && \
+ (s1).right == (s2).right && \
+ (s1).bottom == (s2).bottom && \
+ (s1).left_start == (s2).left_start && \
+ (s1).left_end == (s2).left_end && \
+ (s1).top_start == (s2).top_start && \
+ (s1).top_end == (s2).top_end && \
+ (s1).right_start == (s2).right_start && \
+ (s1).right_end == (s2).right_end && \
+ (s1).bottom_start == (s2).bottom_start && \
+ (s1).bottom_end == (s2).bottom_end)
+
+#define RANGES_INTERSECT(r1x, r1w, r2x, r2w) \
+ (r1w && r2w && r1x < r2x + r2w && r1x + r1w > r2x)
+
#endif
projects / dana / openbox.git / blobdiff