add interface HasColumns and its appropriate implementations

2012-09-13 18:24:57 +02:00
parent 31b06470d1
commit cfe738b2f7
10 changed files with 230 additions and 242 deletions
--- a/src/interfaces.h
+++ b/src/interfaces.h
@@ -50,4 +50,13 @@ struct HasSongs
 	virtual MPD::SongList getSelectedSongs() = 0;
 };

+struct HasColumns
+{
+	virtual bool previousColumnAvailable() = 0;
+	virtual void previousColumn() = 0;
+	
+	virtual bool nextColumnAvailable() = 0;
+	virtual void nextColumn() = 0;
+};
+
 #endif // _INTERFACES_H