[libwnck/wip/warnings2: 6/6] tasklist: don't use deprecated GdkScreen API

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 1f2b6396ad9735d6c53b1daee2c48c76de11afcd
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Apr 27 14:06:49 2017 +0300

    tasklist: don't use deprecated GdkScreen API

 libwnck/tasklist.c |   55 +++++++++++++++++++++++++++++++--------------------
 1 files changed, 33 insertions(+), 22 deletions(-)
---
diff --git a/libwnck/tasklist.c b/libwnck/tasklist.c
index 1ac68c1..d601ff9 100644
--- a/libwnck/tasklist.c
+++ b/libwnck/tasklist.c
@@ -225,7 +225,7 @@ struct _WnckTasklistPrivate
   guint startup_sequence_timeout;
 #endif
 
-  gint monitor_num;
+  GdkMonitor *monitor;
   GdkRectangle monitor_geometry;
   GtkReliefStyle relief;
   GtkOrientation orientation;
@@ -587,7 +587,7 @@ wnck_tasklist_init (WnckTasklist *tasklist)
   tasklist->priv->grouping = WNCK_TASKLIST_AUTO_GROUP;
   tasklist->priv->grouping_limit = DEFAULT_GROUPING_LIMIT;
 
-  tasklist->priv->monitor_num = -1;
+  tasklist->priv->monitor = NULL;
   tasklist->priv->monitor_geometry.width = -1; /* invalid value */
   tasklist->priv->relief = GTK_RELIEF_NORMAL;
   tasklist->priv->orientation = GTK_ORIENTATION_HORIZONTAL;
@@ -2168,12 +2168,19 @@ tasklist_include_window_impl (WnckTasklist *tasklist,
       wnck_window_get_state (win) & WNCK_WINDOW_STATE_SKIP_TASKLIST)
     return FALSE;
 
-  if (tasklist->priv->monitor_num != -1)
+  if (tasklist->priv->monitor != NULL)
     {
+      GdkDisplay *display;
+      GdkMonitor *monitor;
+
       wnck_window_get_geometry (win, &x, &y, &w, &h);
+
       /* Don't include the window if its center point is not on the same monitor */
-      if (gdk_screen_get_monitor_at_point (_wnck_screen_get_gdk_screen (tasklist->priv->screen),
-                                           x + w / 2, y + h / 2) != tasklist->priv->monitor_num)
+
+      display = gdk_display_get_default ();
+      monitor = gdk_display_get_monitor_at_point (display, x + w / 2, y + h / 2);
+
+      if (monitor != tasklist->priv->monitor)
         return FALSE;
     }
 
@@ -2246,24 +2253,23 @@ wnck_tasklist_update_lists (WnckTasklist *tasklist)
        * only show windows from this monitor if there is more than one tasklist running
        */
       if (tasklist_instances == NULL || tasklist_instances->next == NULL)
-       {
-         tasklist->priv->monitor_num = -1;
+        {
+          tasklist->priv->monitor = NULL;
         }
       else
-       {
-         int monitor_num;
+        {
+          GdkDisplay *display;
+          GdkMonitor *monitor;
 
-         monitor_num = gdk_screen_get_monitor_at_window (_wnck_screen_get_gdk_screen 
(tasklist->priv->screen),
-                                                         tasklist_window);
+          display = gdk_display_get_default ();
+          monitor = gdk_display_get_monitor_at_window (display, tasklist_window);
 
-         if (monitor_num != tasklist->priv->monitor_num)
-           {
-             tasklist->priv->monitor_num = monitor_num;
-             gdk_screen_get_monitor_geometry (_wnck_screen_get_gdk_screen (tasklist->priv->screen),
-                                              tasklist->priv->monitor_num,
-                                              &tasklist->priv->monitor_geometry);
-           }
-       }
+          if (monitor != tasklist->priv->monitor)
+            {
+              tasklist->priv->monitor = monitor;
+              gdk_monitor_get_geometry (monitor, &tasklist->priv->monitor_geometry);
+            }
+        }
     }
 
   l = windows = wnck_screen_get_windows (tasklist->priv->screen);
@@ -2566,7 +2572,7 @@ wnck_tasklist_window_changed_geometry (WnckWindow   *window,
    * the tasklist itself possibly changed monitor.
    */
   monitor_changed = FALSE;
-  if (tasklist->priv->monitor_num != -1 &&
+  if (tasklist->priv->monitor != NULL &&
       (wnck_window_get_state (window) & WNCK_WINDOW_STATE_SKIP_TASKLIST) &&
       tasklist_window != NULL)
     {
@@ -2574,8 +2580,13 @@ wnck_tasklist_window_changed_geometry (WnckWindow   *window,
       wnck_window_get_geometry (window, &x, &y, &w, &h);
       if (!POINT_IN_RECT (x + w / 2, y + h / 2, tasklist->priv->monitor_geometry))
         {
-          monitor_changed = (gdk_screen_get_monitor_at_window (_wnck_screen_get_gdk_screen 
(tasklist->priv->screen),
-                                                               tasklist_window) != 
tasklist->priv->monitor_num);
+          GdkDisplay *display;
+          GdkMonitor *monitor;
+
+          display = gdk_display_get_default ();
+          monitor = gdk_display_get_monitor_at_window (display, tasklist_window);
+
+          monitor_changed = (monitor != tasklist->priv->monitor);
         }
     }