[gnome-panel/wip/geiger/geometry: 3/8] panel-toplevel: replace deprecated functions

[Sebastian Geiger <segeiger src gnome org>]

commit e0276da57ab0a30cf30da61cf68c5695c956731c
Author: Sebastian Geiger <sbastig gmx net>
Date:   Fri Feb 16 23:36:53 2018 +0100

    panel-toplevel: replace deprecated functions

 gnome-panel/panel-toplevel.c |   24 +++++++++++++++---------
 1 files changed, 15 insertions(+), 9 deletions(-)
---
diff --git a/gnome-panel/panel-toplevel.c b/gnome-panel/panel-toplevel.c
index 9d3b59c..12a4883 100644
--- a/gnome-panel/panel-toplevel.c
+++ b/gnome-panel/panel-toplevel.c
@@ -342,11 +342,16 @@ panel_toplevel_find_empty_spot (GdkScreen        *screen,
        GSList   *li;
        int       i;
        gboolean  found_a_spot = FALSE;
+       GdkDisplay *display;
+       gint     n_monitors;
 
        *monitor = 0;
        *orientation = PANEL_ORIENTATION_TOP;
 
-       filled_spots = g_new0 (int, panel_multiscreen_monitors (screen));
+       display = gdk_display_get_default ();
+       n_monitors = gdk_display_get_n_monitors (display);
+
+       filled_spots = g_new0 (int, n_monitors);
 
        for (li = panel_toplevel_list_toplevels (); li != NULL; li = li->next) {
                PanelToplevel *toplevel = li->data;
@@ -360,7 +365,7 @@ panel_toplevel_find_empty_spot (GdkScreen        *screen,
                filled_spots[toplevel_monitor] |= panel_toplevel_get_orientation (toplevel);
        }
 
-       for (i = 0; i < panel_multiscreen_monitors (screen); i++) {
+       for (i = 0; i < n_monitors; i++) {
                /* These are ordered based on "priority" of the
                   orientation when picking it */
                if ( ! (filled_spots[i] & PANEL_ORIENTATION_TOP)) {
@@ -4796,20 +4801,20 @@ panel_toplevel_set_monitor_internal (PanelToplevel *toplevel,
 static void
 panel_toplevel_update_monitor (PanelToplevel *toplevel)
 {
-       GdkScreen *screen;
+       GdkDisplay *display;
 
-       screen = gtk_window_get_screen (GTK_WINDOW (toplevel));
+       display = gdk_display_get_default ();
 
        /* If we were not using the configured monitor, can we use it now? */
        if ((toplevel->priv->configured_monitor != -1) &&
            (toplevel->priv->configured_monitor != toplevel->priv->monitor) &&
-           toplevel->priv->configured_monitor < panel_multiscreen_monitors (screen)) {
+           toplevel->priv->configured_monitor < gdk_display_get_n_monitors (display)) {
                panel_toplevel_set_monitor_internal (toplevel,
                                                     toplevel->priv->configured_monitor,
                                                     FALSE);
 
        /* else, can we still use the monitor we were using? */
-       } else if (toplevel->priv->monitor >= panel_multiscreen_monitors (screen)) {
+       } else if (toplevel->priv->monitor >= gdk_display_get_n_monitors (display)) {
                panel_toplevel_set_monitor_internal (toplevel,
                                                     0,
                                                     FALSE);
@@ -4820,7 +4825,7 @@ void
 panel_toplevel_set_monitor (PanelToplevel *toplevel,
                            int            monitor)
 {
-       GdkScreen *screen;
+       GdkDisplay *display;
 
        g_return_if_fail (PANEL_IS_TOPLEVEL (toplevel));
 
@@ -4834,8 +4839,9 @@ panel_toplevel_set_monitor (PanelToplevel *toplevel,
         * when logging in after having used a multiscreen environment.
         * We will put the panel on the monitor 0 for this session, and it will
         * move back to the right monitor next time. */
-       screen = gtk_window_get_screen (GTK_WINDOW (toplevel));
-       if (monitor < panel_multiscreen_monitors (screen))
+       display = gdk_display_get_default ();
+
+       if (monitor < gdk_display_get_n_monitors (display))
                panel_toplevel_set_monitor_internal (toplevel, monitor, TRUE);
 
        panel_toplevel_apply_delayed_settings_queue (toplevel);