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 /*
   6  * Xinerama code
   7  */
   8
   9 #ifdef HAVE_CONFIG_H
  10 # include <config.h>
  11 #endif
  12
  13 #include "Ecore.h"
  14 #include "ecore_x_private.h"
  15 #include "Ecore_X.h"
  16 #include "Ecore_X_Atoms.h"
  17
  18 #ifdef ECORE_XINERAMA
  19 static XineramaScreenInfo *_xin_info = NULL;
  20 static int _xin_scr_num = 0;
  21 #endif
  22
  23 EAPI int
  24 ecore_x_xinerama_screen_count_get(void)
  25 {
  26 #ifdef ECORE_XINERAMA
  27    int event_base, error_base;
  28
  29    LOGFN(__FILE__, __LINE__, __FUNCTION__);
  30    if (_xin_info) XFree(_xin_info);
  31    _xin_info = NULL;
  32    if (XineramaQueryExtension(_ecore_x_disp, &event_base, &error_base))
  33      {
  34         _xin_info = XineramaQueryScreens(_ecore_x_disp, &_xin_scr_num);
  35         if (_xin_info) return _xin_scr_num;
  36      }
  37 #endif
  38    return 0;
  39 }
  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) *x = _xin_info[i].x_org;
  55                   if (y) *y = _xin_info[i].y_org;
  56                   if (w) *w = _xin_info[i].width;
  57                   if (h) *h = _xin_info[i].height;
  58                   return 1;
  59                }
  60           }
  61      }
  62 #endif
  63    if (x) *x = 0;
  64    if (y) *y = 0;
  65    if (w) *w = DisplayWidth(_ecore_x_disp, 0);
  66    if (h) *h = DisplayHeight(_ecore_x_disp, 0);
  67    return 0;
  68 }