strut.h

   1 /*
   2  * strut.h - strut management header
   3  *
   4  * Copyright © 2009 Julien Danjou <julien@danjou.info>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  */
  21
  22 #ifndef AWESOME_STRUT_H
  23 #define AWESOME_STRUT_H
  24
  25 #include <lua.h>
  26 #include <stdint.h>
  27 #include <stdbool.h>
  28
  29 /* Strut */
  30 typedef struct
  31 {
  32     uint16_t left, right, top, bottom;
  33     uint16_t left_start_y, left_end_y;
  34     uint16_t right_start_y, right_end_y;
  35     uint16_t top_start_x, top_end_x;
  36     uint16_t bottom_start_x, bottom_end_x;
  37 } strut_t;
  38
  39 /** Check if a strut has information.
  40  * \param strut A strut structure.
  41  * \return A boolean value, true if the strut has strut information.
  42  */
  43 static inline bool
  44 strut_has_value(strut_t *strut)
  45 {
  46     return (strut->left
  47             || strut->right
  48             || strut->top
  49             || strut->bottom
  50             || strut->left_start_y
  51             || strut->left_end_y
  52             || strut->right_start_y
  53             || strut->right_end_y
  54             || strut->top_start_x
  55             || strut->top_end_x
  56             || strut->bottom_start_x
  57             || strut->bottom_end_x);
  58 }
  59
  60 int luaA_pushstrut(lua_State *, strut_t);
  61 void luaA_tostrut(lua_State *, int, strut_t *);
  62
  63 #endif
  64 // vim: filetype=c:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80