screen: Get monitor refresh rates from xrandr

linuxmint · Sep 8, 2018 · 1d38120 · 1d38120
1 parent fd0631a
commit 1d38120
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Showing 2 changed files with 10 additions and 2 deletions.
diff --git a/src/core/screen-private.h b/src/core/screen-private.h
@@ -48,6 +48,7 @@ struct _MetaMonitorInfo
   gboolean is_primary;
   gboolean in_fullscreen;
   XID output; /* The primary or first output for this crtc, None if no xrandr */
+  float refresh_rate;
 };
 
 typedef void (* MetaScreenWindowFunc) (MetaScreen *screen, MetaWindow *window,

diff --git a/src/core/screen.c b/src/core/screen.c
@@ -605,8 +605,8 @@ reload_monitor_infos (MetaScreen *screen)
     {
       XineramaScreenInfo *infos;
       int n_infos;
-      int i;
-      
+      int i, j;
+
       n_infos = 0;
       infos = XineramaQueryScreens (display->xdisplay, &n_infos);
 
@@ -657,6 +657,13 @@ reload_monitor_infos (MetaScreen *screen)
 
                 crtc = XRRGetCrtcInfo (display->xdisplay, resources, resources->crtcs[i]);
                 info = find_monitor_with_rect (screen, crtc->x, crtc->y, (int)crtc->width, (int)crtc->height);
+                for (j = 0; j < resources->nmode; j++)
+                  {
+                    if (resources->modes[j].id == crtc->mode)
+                      info->refresh_rate = (resources->modes[j].dotClock /
+                                            ((float)resources->modes[j].hTotal *
+                                            resources->modes[j].vTotal));
+                  }
                 if (info)
                   info->output = find_main_output_for_crtc (screen, resources, crtc);