static gboolean
init_multihead (GdkScreen *screen)
{
gboolean any_changed = FALSE;
if (!init_randr15 (screen, &any_changed) &&
!init_randr13 (screen, &any_changed))
init_no_multihead (screen, &any_changed);
return any_changed;
}
static void
init_multihead (GdkScreen *screen)
{
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
int opcode, firstevent, firsterror;
/* There are four different implementations of multihead support:
*
* 1. Fake Xinerama for debugging purposes
* 2. RandR 1.2
* 3. Solaris Xinerama
* 4. XFree86/Xorg Xinerama
*
* We use them in that order.
*/
if (init_fake_xinerama (screen))
return;
if (init_randr13 (screen))
return;
if (XQueryExtension (GDK_SCREEN_XDISPLAY (screen), "XINERAMA",
&opcode, &firstevent, &firsterror))
{
if (init_solaris_xinerama (screen))
return;
if (init_xfree_xinerama (screen))
return;
}
/* No multihead support of any kind for this screen */
x11_screen->n_monitors = 1;
x11_screen->monitors = g_new0 (GdkX11Monitor, 1);
x11_screen->primary_monitor = 0;
init_monitor_geometry (x11_screen->monitors, 0, 0,
WidthOfScreen (x11_screen->xscreen),
HeightOfScreen (x11_screen->xscreen));
}
