gui: Ban tracks with the "delete" key

Press the delete key on the collection tab to ban all selected tracks.

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

gui/collection.cpp

@@ -2,6 +2,7 @@
  * Copyright 2014 (c) Anna Schumaker.
  */
 #include <deck.h>
+#include <playlist.h>
 #include <tabs.h>
 
 
@@ -10,6 +11,7 @@ public:
 	CollectionTab();
 	~CollectionTab();
 	void on_post_init();
+	bool on_key_press_event(const std::string &);
 };
 
 
@@ -35,6 +37,20 @@ void CollectionTab :: on_post_init()
 	tab_init_random();
 }
 
+bool CollectionTab :: on_key_press_event(const std::string &key)
+{
+	std::vector<unsigned int> ids;
+
+	if (key != "Delete")
+		return Tab :: on_key_press_event(key);
+
+	tab_selected_ids(ids);
+	for (unsigned int i = 0; i < ids.size(); i++)
+		playlist :: add("Banned", ids[i]);
+
+	return true;
+}
+
 
 
 static CollectionTab *collection_tab;

gui/tabs.cpp

@@ -139,25 +139,29 @@ void Tab :: tab_focus_search()
 	tab_search->grab_focus();
 }
 
-void Tab :: tab_queue_add(Playqueue *pq)
+void Tab :: tab_selected_ids(std::vector<unsigned int> &ids)
 {
 	Glib::RefPtr<Gtk::TreeSelection> sel = tab_treeview->get_selection();
 	std::vector<Gtk::TreeModel::Path> rows = sel->get_selected_rows();
+	Gtk::TreeModel::Path path;
 
 	for (unsigned int i = 0; i < rows.size(); i++) {
-		Gtk::TreeModel::Path path = tab_filter->convert_path_to_child_path(rows[i]);
-		unsigned int track_id = tab_model->path_to_id(path);
-		pq->add(track_id);
+		path = tab_filter->convert_path_to_child_path(rows[i]);
+		ids.push_back(tab_model->path_to_id(path));
 	}
+}
 
-	sel->unselect_all();
+void Tab :: tab_queue_add(Playqueue *pq)
+{
+	std::vector<unsigned int> ids;
+
+	tab_selected_ids(ids);
+	for (unsigned int i = 0; i < ids.size(); i++)
+		pq->add(ids[i]);
 }
 
 bool Tab :: tab_queue_selected(bool random)
 {
-	if (tab_treeview->get_selection()->count_selected_rows() == 0)
-		return false;
-
 	if (deck :: size() >= 10)
 		return true;
 
@@ -168,11 +172,8 @@ bool Tab :: tab_queue_selected(bool random)
 
 bool Tab :: tab_add_to_queue(unsigned int n)
 {
-	if (tab_treeview->get_selection()->count_selected_rows() == 0)
-		return false;
-
 	if (n >= deck :: size())
-		return false;
+		return true;
 
 	Playqueue *pq = deck :: get(n);
 	tab_queue_add(pq);

include/tabs.h

@@ -58,6 +58,7 @@ public:
 	void tab_runtime_changed();
 	void tab_display_sorting();
 	void tab_focus_search();
+	void tab_selected_ids(std::vector<unsigned int> &);
 	void tab_queue_add(Playqueue *);
 	bool tab_queue_selected(bool);
 	bool tab_add_to_queue(unsigned int);