lib/widget/rect.h

   1
   2 /** \file rect.h
   3  *  \brief Header: rectangular class
   4  */
   5
   6 #ifndef MC__WIDGET_RECT_H
   7 #define MC__WIDGET_RECT_H
   8
   9 /*** typedefs (not structures) and defined constants *********************************************/
  10
  11 #define RECT(x) ((WRect *)(x))
  12 #define CONST_RECT(x) ((const WRect *)(x))
  13
  14 /*** enums ***************************************************************************************/
  15
  16 /*** structures declarations (and typedefs of structures) ****************************************/
  17
  18 struct WRect;
  19 typedef struct WRect WRect;
  20
  21 struct WRect
  22 {
  23     int y;
  24     int x;
  25     int lines;
  26     int cols;
  27 };
  28
  29 /*** global variables defined in .c file *********************************************************/
  30
  31 /*** declarations of public functions ************************************************************/
  32
  33 WRect *rect_new (int y, int x, int lines, int cols);
  34 void rect_init (WRect * r, int y, int x, int lines, int cols);
  35 void rect_move (WRect * r, int dy, int dx);
  36 void rect_resize (WRect * r, int dl, int dc);
  37 void rect_grow (WRect * r, int dl, int dc);
  38 void rect_intersect (WRect * r, const WRect * r1);
  39 void rect_union (WRect * r, const WRect * r1);
  40 gboolean rects_are_overlapped (const WRect * r1, const WRect * r2);
  41 gboolean rects_are_equal (const WRect * r1, const WRect * r2);
  42
  43 /*** inline functions ****************************************************************************/
  44
  45 #endif /* MC__WIDGET_RECT_H */