gui: Click columns to sort

I set up a 3-second timeout to decrement the count.  When the count is
at 0, I reset sorting on the playlist.

Signed-off-by: Anna Schumaker <schumaker.anna@gmail.com>

gui/model.cpp

@@ -34,6 +34,16 @@ void PlayqueueModel::on_row_deleted(unsigned int row)
 	row_deleted(path);
 }
 
+void PlayqueueModel::on_row_changed(unsigned int row)
+{
+	Gtk::TreePath path;
+	Gtk::TreeIter iter;
+
+	path.push_back(row);
+	stamp++;
+	row_changed(path, iter);
+}
+
 void PlayqueueModel::on_path_selected(const Gtk::TreePath &path)
 {
 	audio :: load_trackid(queue->operator[](path[0]));

gui/ocarina6.glade

@@ -700,6 +700,7 @@ Manager</property>
           <object class="GtkBox" id="box12">
             <property name="visible">True</property>
             <property name="can_focus">False</property>
+            <property name="homogeneous">True</property>
             <child>
               <object class="GtkProgressBar" id="o_idle_progress">
                 <property name="can_focus">False</property>
@@ -722,6 +723,18 @@ Manager</property>
                 <property name="position">1</property>
               </packing>
             </child>
+            <child>
+              <object class="GtkLabel" id="o_sorting_indicator">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="xalign">1</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">2</property>
+              </packing>
+            </child>
             <child>
               <object class="GtkLabel" id="o_queue_time">
                 <property name="visible">True</property>
@@ -732,7 +745,7 @@ Manager</property>
                 <property name="expand">False</property>
                 <property name="fill">True</property>
                 <property name="padding">5</property>
-                <property name="position">2</property>
+                <property name="position">3</property>
               </packing>
             </child>
           </object>

gui/tabs.cpp

@@ -13,6 +13,7 @@
 
 class OcarinaPage;
 static std::map<Playqueue *, OcarinaPage *> tab_map;
+static unsigned int sort_timeout_count = 0;
 
 static class QueueColumns : public Gtk::TreeModelColumnRecord {
 public:
@@ -32,6 +33,22 @@ public:
 	Gtk::TreeModelColumn<std::string> q_col_played;
 } queue_cols;
 static unsigned int q_col_width[] = { 20, 300, 60, 100, 100, 45, 100, 60, 1 };
+static sort_t q_col_sorts[] = {
+		SORT_TRACK, SORT_TITLE, SORT_LENGTH,
+		SORT_ARTIST, SORT_ALBUM, SORT_YEAR,
+		SORT_GENRE, SORT_COUNT, SORT_PLAYED
+};
+
+static void dec_sort_timeout()
+{
+	if (sort_timeout_count > 0)
+		sort_timeout_count--;
+	if (sort_timeout_count == 0) {
+		Gtk::Label *label;
+		get_builder()->get_widget("o_sorting_indicator", label);
+		label->set_text("");
+	}
+}
 
 
 
@@ -112,9 +129,11 @@ public:
 
 	void on_row_inserted(unsigned int);
 	void on_row_deleted(unsigned int);
+	void on_row_changed(unsigned int);
 	void on_runtime_changed();
 	void on_random_toggled();
 	void on_row_activated(const Gtk::TreePath &, Gtk::TreeViewColumn *);
+	void on_column_clicked(unsigned int);
 };
 
 
@@ -182,6 +201,10 @@ void OcarinaPage::setup_columns()
 		columns[i]->set_resizable();
 		columns[i]->set_fixed_width(q_col_width[i]);
 		columns[i]->set_sizing(Gtk::TREE_VIEW_COLUMN_FIXED);
+		columns[i]->set_clickable();
+		columns[i]->signal_clicked().connect(sigc::bind<unsigned int> (
+			sigc::mem_fun(*this, &OcarinaPage::on_column_clicked),
+			i));
 	}
 }
 
@@ -220,6 +243,13 @@ void OcarinaPage::on_row_deleted(unsigned int row)
 		on_runtime_changed();
 }
 
+void OcarinaPage::on_row_changed(unsigned int row)
+{
+	model->on_row_changed(row);
+	if (is_current_tab())
+		on_runtime_changed();
+}
+
 void OcarinaPage::on_runtime_changed()
 {
 	Gtk::Label *label;
@@ -240,6 +270,21 @@ void OcarinaPage::on_row_activated(const Gtk::TreePath &path, Gtk::TreeViewColum
 	model->on_path_selected(path);
 }
 
+void OcarinaPage::on_column_clicked(unsigned int col_index)
+{
+	Gtk::Label *sorting;
+	get_builder()->get_widget("o_sorting_indicator", sorting);
+	sorting->set_text("<sorting>");
+
+	if (sort_timeout_count == 0)
+		model->queue->reset_sort(q_col_sorts[col_index]);
+	else
+		model->queue->add_sort(q_col_sorts[col_index]);
+	sort_timeout_count++;
+	Glib::signal_timeout().connect_seconds_once(
+					sigc::ptr_fun(dec_sort_timeout), 3);
+}
+
 
 
 
@@ -262,6 +307,14 @@ static void on_track_deleted(Playqueue *pq, unsigned int row)
 		it->second->on_row_deleted(row);
 }
 
+static void on_track_changed(Playqueue *pq, unsigned int row)
+{
+	std::map<Playqueue *, OcarinaPage *>::iterator it;
+	it = tab_map.find(pq);
+	if (it != tab_map.end())
+		it->second->on_row_changed(row);
+}
+
 static void on_switch_page(Gtk::Widget *page, int num)
 {
 	Gtk::Label *label;
@@ -277,6 +330,8 @@ static void on_switch_page(Gtk::Widget *page, int num)
 		tab->on_runtime_changed();
 		label->show();
 	}
+
+	sort_timeout_count = 0;
 }
 
 void init_tabs()
@@ -286,8 +341,9 @@ void init_tabs()
 
 	new OcarinaPage("History", "document-open-recent", audio::get_recent_pq(), 0);
 	new OcarinaPage("Collection", "media-optical", deck::get_library_pq(), PQ_RANDOM);
-	get_callbacks()->on_queue_track_add = on_track_added;
+	get_callbacks()->on_queue_track_add     = on_track_added;
-	get_callbacks()->on_queue_track_del = on_track_deleted;
+	get_callbacks()->on_queue_track_del     = on_track_deleted;
+	get_callbacks()->on_queue_track_changed = on_track_changed;
 
 	notebook->signal_switch_page().connect(sigc::ptr_fun(on_switch_page));
 	notebook->set_current_page(0);

include/ocarina.h

@@ -41,6 +41,7 @@ public:
 
 	void on_row_inserted(unsigned int);
 	void on_row_deleted(unsigned int);
+	void on_row_changed(unsigned int);
 	void on_path_selected(const Gtk::TreePath &);
 };