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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* ifdef HAVE_CONFIG_H */
#include "ecore_x_private.h"
#include "ecore_x_randr.h"
static Eina_Bool _randr_available = EINA_FALSE;
#ifdef ECORE_XRANDR
static int _randr_major, _randr_minor;
int _randr_version;
#define RANDR_1_1 ((1 << 16) | 1)
#define RANDR_1_2 ((1 << 16) | 2)
#define RANDR_1_3 ((1 << 16) | 3)
#define RANDR_VALIDATE_ROOT(screen, \
root) ((screen = \
XRRRootToScreen(_ecore_x_disp, \
root)) != -1)
#define Ecore_X_Randr_Unset -1
XRRScreenResources *(*_ecore_x_randr_get_screen_resources)(Display * dpy,
Window window);
#endif /* ifdef ECORE_XRANDR */
void
_ecore_x_randr_init(void)
{
#ifdef ECORE_XRANDR
_randr_major = 1;
_randr_minor = 3;
_randr_version = 0;
_ecore_x_randr_get_screen_resources = NULL;
if (XRRQueryVersion(_ecore_x_disp, &_randr_major, &_randr_minor))
{
_randr_version = (_randr_major << 16) | _randr_minor;
if (_randr_version >= RANDR_1_3)
_ecore_x_randr_get_screen_resources = XRRGetScreenResourcesCurrent;
else if (_randr_version == RANDR_1_2)
_ecore_x_randr_get_screen_resources = XRRGetScreenResources;
_randr_available = EINA_TRUE;
}
else
_randr_available = EINA_FALSE;
#else
_randr_available = EINA_FALSE;
#endif
}
/*
* @brief query whether randr is available or not
* @return EINA_TRUE, if extension is available, else EINA_FALSE
*/
EAPI Eina_Bool
ecore_x_randr_query(void)
{
return _randr_available;
}
/*
* @return version of the RandRR extension supported by the server or,
* in case RandRR extension is not available, Ecore_X_Randr_Unset (=-1).
* bit version information: 31 MAJOR 16 | 15 MINOR 0
*/
EAPI int
ecore_x_randr_version_get(void)
{
#ifdef ECORE_XRANDR
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if (_randr_available)
{
return _randr_version;
}
else
{
return Ecore_X_Randr_Unset;
}
#else
return -1;
#endif
}
Eina_Bool
_ecore_x_randr_root_validate(Ecore_X_Window root)
{
#ifdef ECORE_XRANDR
Ecore_X_Randr_Screen scr = -1;
if (root && RANDR_VALIDATE_ROOT(scr, root))
return EINA_TRUE;
else
return EINA_FALSE;
#else
return EINA_FALSE;
#endif
}
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