Make MUTTER_DEBUG_XINERAMA override active Xinerama

It seems a bit cleaner to make the MUTTER_DEBUG_XINERAMA variable
that sets up fake Xinerama take effect even if Xinerama is active;
this means we don't count on Xinerama (or Xrandr if we switch tot
that) special casing the case of one monitor.

http://bugzilla.gnome.org/show_bug.cgi?id=593404
This commit is contained in:
Owen W. Taylor 2009-08-13 18:57:35 -04:00
parent d042dba4d6
commit 20b02e738c

View File

@ -328,8 +328,27 @@ reload_xinerama_infos (MetaScreen *screen)
screen->display->xinerama_cache_invalidated = TRUE;
if (g_getenv ("MUTTER_DEBUG_XINERAMA"))
{
meta_topic (META_DEBUG_XINERAMA,
"Pretending a single monitor has two Xinerama screens\n");
screen->xinerama_infos = g_new (MetaXineramaScreenInfo, 2);
screen->n_xinerama_infos = 2;
screen->xinerama_infos[0].number = 0;
screen->xinerama_infos[0].rect = screen->rect;
screen->xinerama_infos[0].rect.width = screen->rect.width / 2;
screen->xinerama_infos[1].number = 1;
screen->xinerama_infos[1].rect = screen->rect;
screen->xinerama_infos[1].rect.x = screen->rect.width / 2;
screen->xinerama_infos[1].rect.width = screen->rect.width / 2;
}
#ifdef HAVE_XFREE_XINERAMA
if (XineramaIsActive (display->xdisplay))
if (screen->n_xinerama_infos == 0 &&
XineramaIsActive (display->xdisplay))
{
XineramaScreenInfo *infos;
int n_infos;
@ -370,7 +389,7 @@ reload_xinerama_infos (MetaScreen *screen)
meta_XFree (infos);
}
else
else if (screen->n_xinerama_infos > 0)
{
meta_topic (META_DEBUG_XINERAMA,
"No XFree86 Xinerama extension or XFree86 Xinerama inactive on display %s\n",
@ -446,34 +465,14 @@ reload_xinerama_infos (MetaScreen *screen)
*/
if (screen->n_xinerama_infos == 0)
{
if (g_getenv ("MUTTER_DEBUG_XINERAMA"))
{
meta_topic (META_DEBUG_XINERAMA,
"Pretending a single monitor has two Xinerama screens\n");
meta_topic (META_DEBUG_XINERAMA,
"No Xinerama screens, using default screen info\n");
screen->xinerama_infos = g_new (MetaXineramaScreenInfo, 2);
screen->n_xinerama_infos = 2;
screen->xinerama_infos = g_new (MetaXineramaScreenInfo, 1);
screen->n_xinerama_infos = 1;
screen->xinerama_infos[0].number = 0;
screen->xinerama_infos[0].rect = screen->rect;
screen->xinerama_infos[0].rect.width = screen->rect.width / 2;
screen->xinerama_infos[1].number = 1;
screen->xinerama_infos[1].rect = screen->rect;
screen->xinerama_infos[1].rect.x = screen->rect.width / 2;
screen->xinerama_infos[1].rect.width = screen->rect.width / 2;
}
else
{
meta_topic (META_DEBUG_XINERAMA,
"No Xinerama screens, using default screen info\n");
screen->xinerama_infos = g_new (MetaXineramaScreenInfo, 1);
screen->n_xinerama_infos = 1;
screen->xinerama_infos[0].number = 0;
screen->xinerama_infos[0].rect = screen->rect;
}
screen->xinerama_infos[0].number = 0;
screen->xinerama_infos[0].rect = screen->rect;
}
g_assert (screen->n_xinerama_infos > 0);