Add change stack signal

src/window/overview-page/overview-view.c

@@ -91,12 +91,35 @@ G_DEFINE_TYPE (PicplannerOverview, picplanner_overview, GTK_TYPE_BOX)
  * Catch all signals from the buttons and emit a signal which can be used by
  * picplanner-window to change the stack page.
  */
+static guint signal_button_pressed;
 void
 change_stack_page (GtkButton *self,
                    gpointer user_data)
 {
+  int stack_page = 0;
+  PicplannerOverview *overview = user_data;
+
+  if (self == GTK_BUTTON(overview->switch_to_sun_stack))
+    {
+      g_print("Button Sun\n");
+      stack_page = 1;
+    }
+  else if (self == GTK_BUTTON(overview->switch_to_moon_stack))
+    {
+      g_print("Button Moon\n");
+      stack_page = 2;
+    }
+  else if (self == GTK_BUTTON(overview->switch_to_milky_way_stack))
+    {
+      g_print("Button Milky Way\n");
+      stack_page = 3;
+    }
 
 
+  g_signal_emit (overview,
+                 signal_button_pressed,
+                 0, NULL,
+                 stack_page);
 }
 
 
@@ -771,6 +794,14 @@ picplanner_overview_init (PicplannerOverview *overview)
                     "clicked",
                     G_CALLBACK (change_stack_page),
                     overview);
+  g_signal_connect (G_OBJECT (overview->switch_to_moon_stack),
+                    "clicked",
+                    G_CALLBACK (change_stack_page),
+                    overview);
+  g_signal_connect (G_OBJECT (overview->switch_to_milky_way_stack),
+                    "clicked",
+                    G_CALLBACK (change_stack_page),
+                    overview);
 
 
   /*
@@ -812,6 +843,13 @@ picplanner_overview_class_init (PicplannerOverviewClass *class)
   gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), PicplannerOverview, label_azimuth_moon);
   gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), PicplannerOverview, label_azimuth_milky_way);
   gtk_widget_class_bind_template_child (GTK_WIDGET_CLASS (class), PicplannerOverview, basic_information);
+
+  signal_button_pressed = g_signal_new ("change-stack",
+                                        G_OBJECT_CLASS_TYPE (class),
+                                        G_SIGNAL_RUN_LAST,
+                                        0, NULL, NULL, NULL,
+                                        G_TYPE_NONE,
+                                        1, G_TYPE_INT);
 }
 
 PicplannerOverview *

src/window/picplanner-window.c

@@ -76,6 +76,16 @@ struct _PicplannerWindow
 
 G_DEFINE_TYPE (PicplannerWindow, picplanner_window, ADW_TYPE_APPLICATION_WINDOW)
 
+/*
+ * Change the stack page after a button is pressed in the overview dialog
+ */
+static void
+change_stack_page (GtkWidget *self,
+                   int stack_page,
+                   gpointer user_data)
+{
+  g_print("Page: %d\n", stack_page);
+}
 
 /*
  * Function used after the user selects a search result
@@ -659,6 +669,11 @@ picplanner_window_init (PicplannerWindow *window)
                     G_CALLBACK (input_changed),
                     window);
 
+  g_signal_connect (G_OBJECT (window->overview_box),
+                    "change-stack",
+                    G_CALLBACK (change_stack_page),
+                    window);
+
   /*
    * Initialisation of values needed to detect when a user input ends
    */