Beispiel #1
0
static void
process_monitors_change (GdkScreen *screen)
{
  GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
  gint		 n_monitors;
  gint		 primary_monitor;
  GdkX11Monitor	*monitors;
  gboolean changed;

  primary_monitor = x11_screen->primary_monitor;
  n_monitors = x11_screen->n_monitors;
  monitors = x11_screen->monitors;

  x11_screen->n_monitors = 0;
  x11_screen->monitors = NULL;

  init_multihead (screen);

  changed =
    !compare_monitors (monitors, n_monitors,
		       x11_screen->monitors, x11_screen->n_monitors) ||
    x11_screen->primary_monitor != primary_monitor;


  free_monitors (monitors, n_monitors);

  if (changed)
    g_signal_emit_by_name (screen, "monitors-changed");
}
Beispiel #2
0
static void
deinit_multihead (GdkScreen *screen)
{
  GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);

  free_monitors (x11_screen->monitors, x11_screen->n_monitors);

  x11_screen->n_monitors = 0;
  x11_screen->monitors = NULL;
}
Beispiel #3
0
static void
deinit_multihead (GdkScreen *screen)
{
  GdkScreenGix *screen_gix = GDK_SCREEN_GIX (screen);

  free_monitors (screen_gix->monitors, screen_gix->n_monitors);

  screen_gix->n_monitors = 0;
  screen_gix->monitors = NULL;
}
Beispiel #4
0
static void
deinit_multihead (GdkScreen *screen)
{
  GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);

  free_monitors (x11_screen->monitors, x11_screen->n_monitors);
  g_clear_pointer (&x11_screen->xinerama_matches, g_hash_table_destroy);

  x11_screen->n_monitors = 0;
  x11_screen->monitors = NULL;
}
Beispiel #5
0
/* Synchronize the contents of si->ssi to the current state of the monitors.
   Doesn't change anything if nothing has changed; otherwise, alters and
   reuses existing saver_screen_info structs as much as possible.
   Returns True if anything changed.
 */
Bool
update_screen_layout (saver_info *si)
{
  monitor **monitors = scan_monitors (si);
  int count = 0;
  int good_count = 0;
  int i, j;
  int seen_screens[100] = { 0, };

  if (! layouts_differ_p (monitors, si->monitor_layout))
    {
      free_monitors (monitors);
      return False;
    }

  free_monitors (si->monitor_layout);
  si->monitor_layout = monitors;
  check_monitor_sanity (si->monitor_layout);

  while (monitors[count])
    {
      if (monitors[count]->sanity == S_SANE)
        good_count++;
      count++;
    }

  if (si->ssi_count == 0)
    {
      si->ssi_count = 10;
      si->screens = (saver_screen_info *)
        calloc (sizeof(*si->screens), si->ssi_count);
    }

  if (si->ssi_count <= good_count)
    {
      si->ssi_count = good_count + 10;
      si->screens = (saver_screen_info *)
        realloc (si->screens, sizeof(*si->screens) * si->ssi_count);
      memset (si->screens + si->nscreens, 0, 
              sizeof(*si->screens) * (si->ssi_count - si->nscreens));
    }

  if (! si->screens) abort();

  si->nscreens = good_count;

  /* Regenerate the list of GL visuals as needed. */
  if (si->best_gl_visuals)
    free (si->best_gl_visuals);
  si->best_gl_visuals = 0;

  for (i = 0, j = 0; i < count; i++)
    {
      monitor *m = monitors[i];
      saver_screen_info *ssi = &si->screens[j];
      Screen *old_screen = ssi->screen;
      int sn;
      if (monitors[i]->sanity != S_SANE) continue;

      ssi->global = si;
      ssi->number = j;

      sn = screen_number (m->screen);
      ssi->screen = m->screen;
      ssi->real_screen_number = sn;
      ssi->real_screen_p = (seen_screens[sn] == 0);
      seen_screens[sn]++;

      ssi->default_visual =
	get_visual_resource (ssi->screen, "visualID", "VisualID", False);
      ssi->current_visual = ssi->default_visual;
      ssi->current_depth = visual_depth (ssi->screen, ssi->current_visual);

      /* If the screen changed (or if this is the first time) we need
         a new toplevel shell for this screen's depth.
       */
      if (ssi->screen != old_screen)
        initialize_screen_root_widget (ssi);

      ssi->poll_mouse_last_root_x = -1;
      ssi->poll_mouse_last_root_y = -1;

      ssi->x      = m->x;
      ssi->y      = m->y;
      ssi->width  = m->width;
      ssi->height = m->height;

# ifndef DEBUG_MULTISCREEN
      {
        saver_preferences *p = &si->prefs;
        if (p->debug_p
#  ifdef QUAD_MODE
            && !p->quad_p
#  endif
            )
          ssi->width /= 2;
      }
# endif

      j++;
    }

  si->default_screen = &si->screens[0];
  return True;
}
Beispiel #6
0
static gboolean
init_randr13 (GdkScreen *screen)
{
#ifdef HAVE_RANDR
  GdkDisplay *display = gdk_screen_get_display (screen);
  GdkX11Display *display_x11 = GDK_X11_DISPLAY (display);
  GdkX11Screen *x11_screen = GDK_X11_SCREEN (screen);
  Display *dpy = GDK_SCREEN_XDISPLAY (screen);
  XRRScreenResources *resources;
  RROutput primary_output;
  RROutput first_output = None;
  int i;
  GArray *monitors;
  gboolean randr12_compat = FALSE;

  if (!display_x11->have_randr13)
      return FALSE;

  resources = XRRGetScreenResourcesCurrent (x11_screen->xdisplay,
				            x11_screen->xroot_window);
  if (!resources)
    return FALSE;

  monitors = g_array_sized_new (FALSE, TRUE, sizeof (GdkX11Monitor),
                                resources->noutput);

  for (i = 0; i < resources->noutput; ++i)
    {
      XRROutputInfo *output =
	XRRGetOutputInfo (dpy, resources, resources->outputs[i]);

      /* Non RandR1.2 X driver have output name "default" */
      randr12_compat |= !g_strcmp0 (output->name, "default");

      if (output->connection == RR_Disconnected)
        {
          XRRFreeOutputInfo (output);
          continue;
        }

      if (output->crtc)
	{
	  GdkX11Monitor monitor;
	  XRRCrtcInfo *crtc = XRRGetCrtcInfo (dpy, resources, output->crtc);

	  monitor.geometry.x = crtc->x;
	  monitor.geometry.y = crtc->y;
	  monitor.geometry.width = crtc->width;
	  monitor.geometry.height = crtc->height;

	  monitor.output = resources->outputs[i];
	  monitor.width_mm = output->mm_width;
	  monitor.height_mm = output->mm_height;
	  monitor.output_name = g_strdup (output->name);
	  /* FIXME: need EDID parser */
	  monitor.manufacturer = NULL;

	  g_array_append_val (monitors, monitor);

          XRRFreeCrtcInfo (crtc);
	}

      XRRFreeOutputInfo (output);
    }

  if (resources->noutput > 0)
    first_output = resources->outputs[0];

  XRRFreeScreenResources (resources);

  /* 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,
                (GCompareFunc) monitor_compare_function);
  x11_screen->n_monitors = monitors->len;
  x11_screen->monitors = (GdkX11Monitor *)g_array_free (monitors, FALSE);

  x11_screen->primary_monitor = 0;

  primary_output = XRRGetOutputPrimary (x11_screen->xdisplay,
                                        x11_screen->xroot_window);

  for (i = 0; i < x11_screen->n_monitors; ++i)
    {
      if (x11_screen->monitors[i].output == primary_output)
	{
	  x11_screen->primary_monitor = i;
	  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;
#endif

  return FALSE;
}