src/lib/ecore_x/xlib/ecore_x_xinerama.c

   1 /*
   2  * Xinerama code
   3  */
   4
   5 #ifdef HAVE_CONFIG_H
   6 # include <config.h>
   7 #endif /* ifdef HAVE_CONFIG_H */
   8
   9 #include "Ecore.h"
  10 #include "ecore_x_private.h"
  11 #include "Ecore_X.h"
  12 #include "Ecore_X_Atoms.h"
  13
  14 #ifdef ECORE_XINERAMA
  15 static XineramaScreenInfo *_xin_info = NULL;
  16 static int _xin_scr_num = 0;
  17 #endif /* ifdef ECORE_XINERAMA */
  18
  19 EAPI int
  20 ecore_x_xinerama_screen_count_get(void)
  21 {
  22 #ifdef ECORE_XINERAMA
  23    int event_base, error_base;
  24
  25    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  26    if (_xin_info)
  27       XFree(_xin_info);
  28
  29    _xin_info = NULL;
  30    if (XineramaQueryExtension(_ecore_x_disp, &event_base, &error_base))
  31      {
  32         _xin_info = XineramaQueryScreens(_ecore_x_disp, &_xin_scr_num);
  33         if (_xin_info)
  34            return _xin_scr_num;
  35      }
  36
  37 #endif /* ifdef ECORE_XINERAMA */
  38    return 0;
  39 } /* ecore_x_xinerama_screen_count_get */
  40
  41 EAPI int
  42 ecore_x_xinerama_screen_geometry_get(int screen, int *x, int *y, int *w, int *h)
  43 {
  44    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  45 #ifdef ECORE_XINERAMA
  46    if (_xin_info)
  47      {
  48         int i;
  49
  50         for (i = 0; i < _xin_scr_num; i++)
  51           {
  52              if (_xin_info[i].screen_number == screen)
  53                {
  54                   if (x)
  55                      *x = _xin_info[i].x_org;
  56
  57                   if (y)
  58                      *y = _xin_info[i].y_org;
  59
  60                   if (w)
  61                      *w = _xin_info[i].width;
  62
  63                   if (h)
  64                      *h = _xin_info[i].height;
  65
  66                   return 1;
  67                }
  68           }
  69      }
  70
  71 #endif /* ifdef ECORE_XINERAMA */
  72    if (x)
  73       *x = 0;
  74
  75    if (y)
  76       *y = 0;
  77
  78    if (w)
  79       *w = DisplayWidth(_ecore_x_disp, 0);
  80
  81    if (h)
  82       *h = DisplayHeight(_ecore_x_disp, 0);
  83
  84    return 0;
  85 } /* ecore_x_xinerama_screen_geometry_get */
  86