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/helpers.h
+++ b/src/helpers.h
@@ -28,6 +28,11 @@
 #include "status.h"
 #include "utility/wide_string.h"

+inline HasColumns *hasColumns(BasicScreen *screen)
+{
+	return dynamic_cast<HasColumns *>(screen);
+}
+
 inline HasSongs *hasSongs(BasicScreen *screen)
 {
 	return dynamic_cast<HasSongs *>(screen);