ioncore/sizepolicy.h

   1 /*
   2  * ion/ioncore/sizepolicy.h
   3  *
   4  * Copyright (c) Tuomo Valkonen 1999-2007.
   5  *
   6  * Ion is free software; you can redistribute it and/or modify it under
   7  * the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  */
  11
  12 #ifndef ION_IONCORE_SIZEPOLICY_H
  13 #define ION_IONCORE_SIZEPOLICY_H
  14
  15 #include "common.h"
  16 #include "region.h"
  17
  18 /* Modifiers for some policies */
  19 #define SIZEPOLICY_VERT_NONE    0x0000
  20 #define SIZEPOLICY_VERT_TOP     0x0100
  21 #define SIZEPOLICY_VERT_BOTTOM  0x0200
  22 #define SIZEPOLICY_VERT_CENTER  0x0300
  23 #define SIZEPOLICY_VERT_MASK    0x0300
  24
  25 #define SIZEPOLICY_HORIZ_NONE   0x0000
  26 #define SIZEPOLICY_HORIZ_LEFT   0x0400
  27 #define SIZEPOLICY_HORIZ_RIGHT  0x0800
  28 #define SIZEPOLICY_HORIZ_CENTER 0x0c00
  29 #define SIZEPOLICY_HORIZ_MASK   0x0c00
  30
  31 #define SIZEPOLICY_SHRUNK       0x1000
  32
  33 /* The policies */
  34 #define SIZEPOLICY_MASK           0xff
  35 #define SIZEPOLICY_DEFAULT        0x00
  36 #define SIZEPOLICY_FULL_EXACT     0x01
  37 #define SIZEPOLICY_FULL_BOUNDS    0x02
  38 #define SIZEPOLICY_FREE           0x03
  39 #define SIZEPOLICY_GRAVITY        0x04 /* uses vert/horiz flags */
  40 #define SIZEPOLICY_FREE_GLUE      0x05 /* stateful; modifies v/h flags */
  41 #define SIZEPOLICY_STRETCH_LEFT   0x06
  42 #define SIZEPOLICY_STRETCH_RIGHT  0x07
  43 #define SIZEPOLICY_STRETCH_TOP    0x08
  44 #define SIZEPOLICY_STRETCH_BOTTOM 0x09
  45 #define SIZEPOLICY_UNCONSTRAINED  0x10
  46
  47 #define SIZEPOLICY_GRAVITY_NORTHWEST (SIZEPOLICY_GRAVITY|SIZEPOLICY_VERT_TOP|SIZEPOLICY_HORIZ_LEFT)
  48 #define SIZEPOLICY_GRAVITY_NORTH     (SIZEPOLICY_GRAVITY|SIZEPOLICY_VERT_TOP|SIZEPOLICY_HORIZ_CENTER)
  49 #define SIZEPOLICY_GRAVITY_NORTHEAST (SIZEPOLICY_GRAVITY|SIZEPOLICY_VERT_TOP|SIZEPOLICY_HORIZ_RIGHT)
  50 #define SIZEPOLICY_GRAVITY_WEST      (SIZEPOLICY_GRAVITY|SIZEPOLICY_VERT_CENTER|SIZEPOLICY_HORIZ_LEFT)
  51 #define SIZEPOLICY_GRAVITY_CENTER    (SIZEPOLICY_GRAVITY|SIZEPOLICY_VERT_CENTER|SIZEPOLICY_HORIZ_CENTER)
  52 #define SIZEPOLICY_GRAVITY_EAST      (SIZEPOLICY_GRAVITY|SIZEPOLICY_VERT_CENTER|SIZEPOLICY_HORIZ_RIGHT)
  53 #define SIZEPOLICY_GRAVITY_SOUTHWEST (SIZEPOLICY_GRAVITY|SIZEPOLICY_VERT_BOTTOM|SIZEPOLICY_HORIZ_LEFT)
  54 #define SIZEPOLICY_GRAVITY_SOUTH     (SIZEPOLICY_GRAVITY|SIZEPOLICY_VERT_BOTTOM|SIZEPOLICY_HORIZ_CENTER)
  55 #define SIZEPOLICY_GRAVITY_SOUTHEAST (SIZEPOLICY_GRAVITY|SIZEPOLICY_VERT_BOTTOM|SIZEPOLICY_HORIZ_RIGHT)
  56
  57 #define SIZEPOLICY_FREE_GLUE__NORTHWEST (SIZEPOLICY_FREE_GLUE|SIZEPOLICY_VERT_TOP|SIZEPOLICY_HORIZ_LEFT)
  58 #define SIZEPOLICY_FREE_GLUE__NORTH     (SIZEPOLICY_FREE_GLUE|SIZEPOLICY_VERT_TOP|SIZEPOLICY_HORIZ_CENTER)
  59 #define SIZEPOLICY_FREE_GLUE__NORTHEAST (SIZEPOLICY_FREE_GLUE|SIZEPOLICY_VERT_TOP|SIZEPOLICY_HORIZ_RIGHT)
  60 #define SIZEPOLICY_FREE_GLUE__WEST      (SIZEPOLICY_FREE_GLUE|SIZEPOLICY_VERT_CENTER|SIZEPOLICY_HORIZ_LEFT)
  61 #define SIZEPOLICY_FREE_GLUE__CENTER    (SIZEPOLICY_FREE_GLUE|SIZEPOLICY_VERT_CENTER|SIZEPOLICY_HORIZ_CENTER)
  62 #define SIZEPOLICY_FREE_GLUE__EAST      (SIZEPOLICY_FREE_GLUE|SIZEPOLICY_VERT_CENTER|SIZEPOLICY_HORIZ_RIGHT)
  63 #define SIZEPOLICY_FREE_GLUE__SOUTHWEST (SIZEPOLICY_FREE_GLUE|SIZEPOLICY_VERT_BOTTOM|SIZEPOLICY_HORIZ_LEFT)
  64 #define SIZEPOLICY_FREE_GLUE__SOUTH     (SIZEPOLICY_FREE_GLUE|SIZEPOLICY_VERT_BOTTOM|SIZEPOLICY_HORIZ_CENTER)
  65 #define SIZEPOLICY_FREE_GLUE__SOUTHEAST (SIZEPOLICY_FREE_GLUE|SIZEPOLICY_VERT_BOTTOM|SIZEPOLICY_HORIZ_RIGHT)
  66
  67 typedef uint WSizePolicy;
  68
  69
  70 extern void sizepolicy(WSizePolicy *szplcy, WRegion *reg,
  71                        const WRectangle *rq_geom, int rq_flags,
  72                        WFitParams *fp);
  73
  74
  75 bool string2sizepolicy(const char *szplcy, WSizePolicy *value);
  76
  77
  78 #endif /* ION_IONCORE_SIZEPOLICY_H */