libs/fvwmrect.h

   1 /* Copyright (C) 2001  Dominik Vogt
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation; either version 2 of the License, or
   6  * (at your option) any later version.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  16  */
  17
  18 #ifndef FVWMRECT_H
  19 #define FVWMRECT_H
  20
  21 /* ---------------------------- included header files ----------------------- */
  22
  23 /* ---------------------------- global definitions -------------------------- */
  24
  25 /* ---------------------------- global macros ------------------------------- */
  26
  27 /* ---------------------------- type definitions ---------------------------- */
  28
  29 typedef struct
  30 {
  31         int x;
  32         int y;
  33         int width;
  34         int height;
  35 } rectangle;
  36
  37 typedef struct
  38 {
  39         int x;
  40         int y;
  41 } position;
  42
  43 typedef struct
  44 {
  45         int width;
  46         int height;
  47 } size_rect;
  48
  49 typedef struct
  50 {
  51         size_rect top_left;
  52         size_rect bottom_right;
  53         size_rect total_size;
  54 } size_borders;
  55
  56 /* ---------------------------- exported variables (globals) ---------------- */
  57
  58 /* ---------------------------- interface functions ------------------------- */
  59
  60 /* Returns 1 if the given rectangles intersect and 0 otherwise */
  61 int fvwmrect_do_rectangles_intersect(rectangle *r, rectangle *s);
  62 /* Subtracts the values in s2_ from the ones in s1_g and stores the result in
  63  * diff_g. */
  64 void fvwmrect_subtract_rectangles(
  65         rectangle *rdiff, rectangle *r1, rectangle *r2);
  66 /* Returns 1 is the rectangles are identical and 0 if not */
  67 int fvwmrect_rectangles_equal(
  68         rectangle *r1, rectangle *r2);
  69 int fvwmrect_move_into_rectangle(
  70         rectangle *move_rec, rectangle *target_rec);
  71 int fvwmrect_intersect_xrectangles(
  72         XRectangle *r1, XRectangle *r2);
  73
  74 #endif /* FVWMRECT_H */