From 9bc67c084fddceb2a1a3ab122a9bd1ebae8bccaf Mon Sep 17 00:00:00 2001
From: Zwarf <zwarf@mail.de>
Date: Wed, 19 Jul 2023 22:42:47 +0200
Subject: [PATCH] Add back button

---
 src/window/overview-page/overview-view.c |  3 +--
 src/window/picplanner-window.c           | 29 ++++++++++++++++++++----
 src/window/picplanner-window.ui          | 16 ++++++++++---
 3 files changed, 39 insertions(+), 9 deletions(-)

diff --git a/src/window/overview-page/overview-view.c b/src/window/overview-page/overview-view.c
index 21995ca..1bf0a62 100644
--- a/src/window/overview-page/overview-view.c
+++ b/src/window/overview-page/overview-view.c
@@ -118,8 +118,7 @@ change_stack_page (GtkButton *self,
 
   g_signal_emit (overview,
                  signal_button_pressed,
-                 0, NULL,
-                 stack_page);
+                 0, stack_page);
 }
 
 
diff --git a/src/window/picplanner-window.c b/src/window/picplanner-window.c
index 26d35de..af314d6 100644
--- a/src/window/picplanner-window.c
+++ b/src/window/picplanner-window.c
@@ -45,7 +45,6 @@ struct _PicplannerWindow
   GtkWidget         *search_bar;      /* Search bar for the location */
   GtkWidget         *search_entry;    /* The search entry inside the search bar */
   GtkWidget         *search_button;   /* The search button in the header bar so show the search bar */
-  GtkWidget         *map_button;      /* The map button in the header bar to show the map fullscreen */
   GtkWidget         *location_button; /* Button in the header bar to start the GPS search of the device location */
   GtkWidget         *overview_box;    /* The overview page */
   GtkWidget         *sun_box;         /* The sun page */
@@ -53,8 +52,8 @@ struct _PicplannerWindow
   GtkWidget         *milky_way_box;   /* The milky way page */
   GtkWidget         *north_entry;     /* SpinButton for North coordinates */
   GtkWidget         *east_entry;      /* SpinButton for East coordinates */
-  GtkWidget         *overview_page;
   GtkWidget         *time_picker;
+  GtkWidget         *back_button;     /* Go back to the overview page */
 
   /* Search functionality */
   GtkWidget         *search_result_box; /* ListBox containing search results */
@@ -84,7 +83,24 @@ change_stack_page (GtkWidget *self,
                    int stack_page,
                    gpointer user_data)
 {
-  g_print("Page: %d\n", stack_page);
+  (void) self;
+  PicplannerWindow *window = user_data;
+  if (stack_page == 1)
+    gtk_stack_set_visible_child_name (GTK_STACK(window->stack), "sun");
+  else if (stack_page == 2)
+    gtk_stack_set_visible_child_name (GTK_STACK(window->stack), "moon");
+  else if (stack_page == 3)
+    gtk_stack_set_visible_child_name (GTK_STACK(window->stack), "milkyway");
+}
+/*
+ * TODO: Hide and show back button
+ */
+static void
+change_stack_page_back (GtkWidget *self,
+                        gpointer user_data)
+{
+  PicplannerWindow *window = user_data;
+  gtk_stack_set_visible_child_name (GTK_STACK(window->stack), "overview");
 }
 
 /*
@@ -592,8 +608,8 @@ picplanner_window_class_init (PicplannerWindowClass *klass)
   gtk_widget_class_bind_template_child (widget_class, PicplannerWindow, east_entry);
   gtk_widget_class_bind_template_child (widget_class, PicplannerWindow, search_result_box);
   gtk_widget_class_bind_template_child (widget_class, PicplannerWindow, search_results_scroll);
-  gtk_widget_class_bind_template_child (widget_class, PicplannerWindow, overview_page);
   gtk_widget_class_bind_template_child (widget_class, PicplannerWindow, time_picker);
+  gtk_widget_class_bind_template_child (widget_class, PicplannerWindow, back_button);
 
   gtk_widget_class_bind_template_callback (widget_class, search_location);
 }
@@ -674,6 +690,11 @@ picplanner_window_init (PicplannerWindow *window)
                     G_CALLBACK (change_stack_page),
                     window);
 
+  g_signal_connect (G_OBJECT (window->back_button),
+                    "clicked",
+                    G_CALLBACK (change_stack_page_back),
+                    window);
+
   /*
    * Initialisation of values needed to detect when a user input ends
    */
diff --git a/src/window/picplanner-window.ui b/src/window/picplanner-window.ui
index e244028..b56d3ab 100644
--- a/src/window/picplanner-window.ui
+++ b/src/window/picplanner-window.ui
@@ -44,6 +44,12 @@
               <object class="TimePicker" id="time_picker">
 							</object>
             </property>
+            <child type="start">
+              <object class="GtkToggleButton" id="back_button">
+                <property name="icon-name">go-previous-symbolic</property>
+                <property name="tooltip-text">Overview</property>
+              </object>
+            </child>
             <child type="start">
               <object class="GtkToggleButton" id="search_button">
                 <property name="icon-name">edit-find-symbolic</property>
@@ -185,27 +191,31 @@
             <property name="width-request">360</property>
             <child>
               <object class="GtkStackPage" id="overview_page">
+                <property name="name">overview</property>
                 <property name="title" translatable="yes">Overview</property>
                 <property name="icon-name">emoji-recent-symbolic</property>
                 <property name="child">overview_box</property>
               </object>
             </child>
             <child>
-              <object class="GtkStackPage">
+              <object class="GtkStackPage" id="sun_page">
+                <property name="name">sun</property>
                 <property name="title" translatable="yes">Sun</property>
                 <property name="icon-name">weather-clear-symbolic</property>
                 <property name="child">sun_box</property>
               </object>
             </child>
             <child>
-              <object class="GtkStackPage">
+              <object class="GtkStackPage" id="moon_page">
+                <property name="name">moon</property>
                 <property name="title" translatable="yes">Moon</property>
                 <property name="icon-name">weather-clear-night-symbolic</property>
                 <property name="child">moon_box</property>
               </object>
             </child>
             <child>
-              <object class="GtkStackPage">
+              <object class="GtkStackPage" id="milky_way_page">
+                <property name="name">milkyway</property>
                 <property name="title" translatable="yes">Milky Way</property>
                 <property name="icon-name">milky-way-symbolic</property>
                 <property name="child">milky_way_box</property>