ocarina: Listen for LIBRARY_REFRESH callback

I eventually want to add songs to the songlist, but for now it is enough
to wait for this callback.

include/ocarina/library.h

@@ -2,5 +2,6 @@
 #define OCARINA_LIBRARY_H
 
 void library_init();
+void ocarina_library_refresh();
 
 #endif /* OCARINA_LIBRARY_H */

ocarina/callback.cpp

@@ -3,6 +3,7 @@
 #include <libsaria/print.h>
 #include <ocarina/ocarina.h>
 #include <ocarina/button.h>
+#include <ocarina/library.h>
 
 void cb_play()
 {
@@ -24,6 +25,12 @@ void cb_idle_task_queued()
 	ocarina_idle_add();
 }
 
+void cb_library_refresh()
+{
+	println("Ocarina LIBRARY_REFRESH callback!");
+	ocarina_library_refresh();
+}
+
 static void add_callback(callback_t type, void (* func)())
 {
 	register_callback(type, func);
@@ -35,4 +42,5 @@ void setup_callbacks()
 	add_callback(PLAY, cb_play);
 	add_callback(PAUSE, cb_pause);
 	add_callback(IDLE_TASK_QUEUED, cb_idle_task_queued);
+	add_callback(IDLE_TASK_QUEUED, cb_library_refresh);
 }

ocarina/library.cpp

@@ -5,13 +5,13 @@
 #include "songlist/songlist.h"
 
 static SongList library_list;
-static GtkWidget *label;
 
 void library_init()
 {
-	library_list.init();
-	label = gtk_label_new("Library");
-	gtk_label_set_angle(GTK_LABEL(label), 90);
-	gtk_widget_show(label);
-	add_page(label, library_list.get_window(), true);
+	library_list.init("Library");
+	add_page(library_list.get_label(), library_list.get_window(), true);
+}
+
+void ocarina_library_refresh()
+{
 }

ocarina/songlist/songlist.cpp

@@ -15,16 +15,25 @@ SongList::~SongList()
  * I need an init() function to set up the scrolled window AFTER
  * the gtk_init() function has been called.
  */
-void SongList::init()
+void SongList::init(string text)
 {
 	window = gtk_scrolled_window_new(NULL, NULL);
 	gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(window),
 				       GTK_POLICY_AUTOMATIC,
 				       GTK_POLICY_AUTOMATIC);
 	gtk_widget_show(window);
+
+	label = gtk_label_new(text.c_str());
+	gtk_label_set_angle(GTK_LABEL(label), 90);
+	gtk_widget_show(label);
 }
 
 GtkWidget *SongList::get_window()
 {
 	return window;
 }
+
+GtkWidget *SongList::get_label()
+{
+	return label;
+}

ocarina/songlist/songlist.h

@@ -3,17 +3,22 @@
 
 #include <ocarina/gtk.h>
 
+#include <string>
+using namespace std;
+
 class SongList
 {
 	private:
 		GtkWidget *window;
+		GtkWidget *label;
 
 	public:
 		SongList();
 		~SongList();
 
-		void init();
+		void init(string);
 		GtkWidget *get_window();
+		GtkWidget *get_label();
 };
 
 #endif /* OCARINA_SONGLIST_H */