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X11, GdkScreen: properly implement init_randr15 including output name

Browse Source 
https://bugzilla.gnome.org/show_bug.cgi?id=762319
This commit is contained in:
Marco Trevisan (Treviño)
2016-02-20 01:31:59 +01:00
committed by Matthias Clasen
parent 079e90b780
commit 1dda932109
1 changed files with 53 additions and 3 deletions
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56
gdk/x11/gdkscreen-x11.c
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@ -621,6 +621,10 @@ init_randr15 (GdkScreen *screen)
GdkX11Display *display_x11 = GDK_X11_DISPLAY (display); GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen); GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
XRRMonitorInfo *rr_monitors; XRRMonitorInfo *rr_monitors;
XRRScreenResources *resources;
RROutput output;
RROutput first_output = None;
gboolean randr12_compat = FALSE;
int num_rr_monitors; int num_rr_monitors;
int i; int i;
GArray *monitors; GArray *monitors;
@ -629,6 +633,11 @@ init_randr15 (GdkScreen *screen)
if (!display_x11->have_randr15) if (!display_x11->have_randr15)
return FALSE; return FALSE;
resources = XRRGetScreenResourcesCurrent (x11_screen->xdisplay,
x11_screen->xroot_window);
if (!resources)
return FALSE;
rr_monitors = XRRGetMonitors (x11_screen->xdisplay, rr_monitors = XRRGetMonitors (x11_screen->xdisplay,
x11_screen->xroot_window, x11_screen->xroot_window,
True, True,
@ -638,8 +647,25 @@ init_randr15 (GdkScreen *screen)
monitors = g_array_sized_new (FALSE, TRUE, sizeof (GdkX11Monitor), monitors = g_array_sized_new (FALSE, TRUE, sizeof (GdkX11Monitor),
num_rr_monitors); num_rr_monitors);
for (i = 0; i < num_rr_monitors; i++) for (i = 0; i < num_rr_monitors; i++)
{ {
output = rr_monitors[i].outputs[0];
XRROutputInfo *output_info =
XRRGetOutputInfo (x11_screen->xdisplay, resources, output);
/* Non RandR1.2+ X driver have output name "default" */
randr12_compat |= !g_strcmp0 (output_info->name, "default");
if (output_info->connection == RR_Disconnected)
{
XRRFreeOutputInfo (output_info);
continue;
}
if (first_output == None)
first_output = output;
GdkX11Monitor monitor; GdkX11Monitor monitor;
init_monitor_geometry (&monitor, init_monitor_geometry (&monitor,
rr_monitors[i].x, rr_monitors[i].x,
@ -649,28 +675,52 @@ init_randr15 (GdkScreen *screen)
monitor.width_mm = rr_monitors[i].mwidth; monitor.width_mm = rr_monitors[i].mwidth;
monitor.height_mm = rr_monitors[i].mheight; monitor.height_mm = rr_monitors[i].mheight;
monitor.output = rr_monitors[i].outputs[0]; monitor.output = output;
monitor.output_name = g_strndup (output_info->name, output_info->nameLen);
if (rr_monitors[i].primary) if (rr_monitors[i].primary)
primary_output = monitor.output; primary_output = monitor.output;
g_array_append_val (monitors, monitor); g_array_append_val (monitors, monitor);
XRRFreeOutputInfo (output_info);
} }
XRRFreeMonitors (rr_monitors); XRRFreeMonitors (rr_monitors);
/* non RandR 1.2+ X driver doesn't return any usable multihead data */
if (randr12_compat)
{
guint n_monitors = monitors->len;
free_monitors ((GdkX11Monitor *)g_array_free (monitors, FALSE),
n_monitors);
return FALSE;
}
g_array_sort (monitors, g_array_sort (monitors,
(GCompareFunc) monitor_compare_function); (GCompareFunc) monitor_compare_function);
x11_screen->n_monitors = monitors->len; x11_screen->n_monitors = monitors->len;
x11_screen->monitors = (GdkX11Monitor *) g_array_free (monitors, FALSE); x11_screen->monitors = (GdkX11Monitor *) g_array_free (monitors, FALSE);
x11_screen->primary_monitor = 0; x11_screen->primary_monitor = 0;
for (i = 0; i < x11_screen->n_monitors; i++) for (i = 0; i < x11_screen->n_monitors; ++i)
{ {
if (x11_screen->monitors[i].output == primary_output) if (x11_screen->monitors[i].output == primary_output)
{ {
x11_screen->primary_monitor = i; x11_screen->primary_monitor = i;
break; break;
} }
/* No RandR1.3+ available or no primary set, fall back to prefer LVDS as primary if present */
if (primary_output == None &&
g_ascii_strncasecmp (x11_screen->monitors[i].output_name, "LVDS", 4) == 0)
{
x11_screen->primary_monitor = i;
break;
}
/* No primary specified and no LVDS found */
if (x11_screen->monitors[i].output == first_output)
x11_screen->primary_monitor = i;
} }
return x11_screen->n_monitors > 0; return x11_screen->n_monitors > 0;