change session construction so that the the monitor bus config is derived (once)...

[ardour.git] / gtk2_ardour / interactive-item.h

diff --git a/gtk2_ardour/interactive-item.h b/gtk2_ardour/interactive-item.h
index 1e8db12e4b78cb8d7e5dffdda5894d1d6585f004..0efe2fea69f81ca9288f6f88c40aad9c0aeed2eb 100644 (file)
--- a/gtk2_ardour/interactive-item.h
+++ b/gtk2_ardour/interactive-item.h
@@ -20,6 +20,9 @@
 #ifndef __ardour_interactive_item_h__
 #define __ardour_interactive_item_h__
 
+#include <libgnomecanvasmm/text.h>
+#include "simplerect.h"
+
 namespace Gnome {
 namespace Canvas {
 
@@ -31,9 +34,58 @@ namespace Canvas {
  */
 class InteractiveItem {
 public:
+       virtual ~InteractiveItem() {}
+
        virtual bool on_event(GdkEvent* ev) = 0;
 };
 
+/** A canvas text that forwards events to its parent.
+ */
+class InteractiveText : public Text, public InteractiveItem {
+public:
+       InteractiveText(Group& parent, InteractiveItem* parent_item, double x, double y, const Glib::ustring& text)
+               : Text(parent, x, y, text)
+               , _parent_item(parent_item)
+       {}
+
+       InteractiveText(Group& parent, InteractiveItem* parent_item)
+               : Text(parent)
+               , _parent_item(parent_item)
+       {}
+
+       bool on_event(GdkEvent* ev) {
+               if(_parent_item) {
+                       return _parent_item->on_event(ev);
+               } else {
+                       return false;
+               }
+       }
+
+protected:
+       InteractiveItem* _parent_item;
+};
+
+class InteractiveRect: public SimpleRect, public InteractiveItem
+{
+public:
+       InteractiveRect(Group& parent, InteractiveItem* parent_item,
+                       double x1, double y1, double x2, double y2)
+               : SimpleRect(parent, x1, y1, x2, y2)
+               , _parent_item(parent_item)
+       {}
+
+       bool on_event(GdkEvent* ev) {
+               if (_parent_item) {
+                       return _parent_item->on_event(ev);
+               } else {
+                       return false;
+               }
+       }
+
+
+protected:
+       InteractiveItem* _parent_item;
+};
 
 } /* namespace Canvas */
 } /* namespace Gnome */