src/lib/ecore_x/xlib/ecore_x_xinerama.c

   1 /*
   2  * vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
   3  */
   4 /*
   5  * Xinerama code
   6  */
   7 #include "Ecore.h"
   8 #include "ecore_x_private.h"
   9 #include "Ecore_X.h"
  10 #include "Ecore_X_Atoms.h"
  11
  12 #ifdef ECORE_XINERAMA
  13 static XineramaScreenInfo *_xin_info = NULL;
  14 static int _xin_scr_num = 0;
  15 #endif
  16
  17 EAPI int
  18 ecore_x_xinerama_screen_count_get(void)
  19 {
  20 #ifdef ECORE_XINERAMA
  21    int event_base, error_base;
  22
  23    if (_xin_info) XFree(_xin_info);
  24    _xin_info = NULL;
  25    if (XineramaQueryExtension(_ecore_x_disp, &event_base, &error_base))
  26      {
  27         _xin_info = XineramaQueryScreens(_ecore_x_disp, &_xin_scr_num);
  28         if (_xin_info) return _xin_scr_num;
  29      }
  30 #endif
  31    return 0;
  32 }
  33
  34 EAPI int
  35 ecore_x_xinerama_screen_geometry_get(int screen, int *x, int *y, int *w, int *h)
  36 {
  37 #ifdef ECORE_XINERAMA
  38    if (_xin_info)
  39      {
  40         int i;
  41
  42         for (i = 0; i < _xin_scr_num; i++)
  43           {
  44              if (_xin_info[i].screen_number == screen)
  45                {
  46                   if (x) *x = _xin_info[i].x_org;
  47                   if (y) *y = _xin_info[i].y_org;
  48                   if (w) *w = _xin_info[i].width;
  49                   if (h) *h = _xin_info[i].height;
  50                   return 1;
  51                }
  52           }
  53      }
  54 #endif
  55    if (x) *x = 0;
  56    if (y) *y = 0;
  57    if (w) *w = DisplayWidth(_ecore_x_disp, 0);
  58    if (h) *h = DisplayHeight(_ecore_x_disp, 0);
  59    return 0;
  60 }