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display: Redraw the arrangement area widget when outputs change

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This ensures the arrangement area always reflects the current
changes.
This commit is contained in:
Rui Matos 2017-08-21 15:24:52 +02:00
parent e4dc2995a3
commit 90cf23a70a
1 changed files with 23 additions and 0 deletions
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23
panels/display/cc-display-panel.c
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@ -1333,6 +1333,27 @@ make_single_output_ui (CcDisplayPanel *panel)
return make_scrollable (vbox);
}
static void
monitor_output_changes (GtkWidget *area,
CcDisplayPanel *panel)
{
CcDisplayPanelPrivate *priv = panel->priv;
const gchar *signals[] = { "rotation", "mode", "primary", "active", "scale" };
GList *outputs, *l;
guint i;
outputs = cc_display_config_get_monitors (priv->current_config);
for (l = outputs; l; l = l->next)
{
CcDisplayMonitor *output = l->data;
for (i = 0; i < G_N_ELEMENTS (signals); ++i)
{
g_signal_connect_object (output, signals[i], G_CALLBACK (gtk_widget_queue_draw),
area, G_CONNECT_SWAPPED);
}
}
}
static GtkWidget *
make_arrangement_row (CcDisplayPanel *panel)
{
@ -1346,6 +1367,8 @@ make_arrangement_row (CcDisplayPanel *panel)
g_signal_connect (area, "viewport_changed",
G_CALLBACK (on_viewport_changed), panel);
monitor_output_changes (area, panel);
row = g_object_new (CC_TYPE_LIST_BOX_ROW, NULL);
gtk_container_add (GTK_CONTAINER (row), area);