Add remove-selected binding. Work on transactions.

Audio_Track.H

@@ -35,5 +35,6 @@ public:
 
     int handle ( int m );
     void dump ( void );
+    void remove_selected ( void );
 
 };

Timeline.C

@@ -412,6 +412,23 @@ Timeline::handle ( int m )
 
     switch ( m )
     {
+        case FL_KEYBOARD:
+        {
+            switch ( Fl::event_key() )
+            {
+                case FL_Delete:
+                {
+                    for ( int i = tracks->children(); i--; )
+                    {
+                        Track_Header *t = (Track_Header*)tracks->child( i );
+
+                        t->track()->remove_selected();
+                    }
+                    return 1;
+                }
+
+            }
+        }
 
 /*         case FL_MOUSEWHEEL: */
 /*         { */

Track.C

@@ -82,6 +82,25 @@ Track::remove ( Track_Widget *r )
 }
 
 
+void
+Track::remove_selected ( void )
+{
+    Loggable::block_start();
+
+    for ( list <Track_Widget *>::iterator r = _widgets.begin(); r != _widgets.end(); )
+        if ( (*r)->selected() )
+        {
+            Track_Widget *t = *r;
+            _widgets.erase( r++ );
+            delete t;
+        }
+        else
+            ++r;
+
+    Loggable::block_end();
+}
+
+
 Track_Widget *
 Track::event_widget ( void )
 {

Track.H

@@ -112,6 +112,8 @@ public:
     void remove ( Track_Widget *r );
     void add ( Track_Widget *r );
 
+    void remove_selected ( void );
+
     const list <Track_Widget *> widgets ( void ) const { return _widgets; }
 
     void queue_delete ( Track_Widget *r )

Track_Header.H

@@ -48,6 +48,8 @@ private:
 
     int _size;
 
+    enum { AUDIO } _type;
+
 public:
 
     Fl_Input * name_field;
@@ -198,6 +200,7 @@ public:
     static int width();
 
     void track( Track * t );
+    Track * track ( void ) { return _track; }
 
     int handle ( int m )
         {

Track_Widget.H

@@ -59,6 +59,8 @@ public:
             _track->remove( this );
         }
 
+    bool selected ( void ) { return _selected; }
+
     Fl_Group * parent ( void ) const { return _track; }
 
     int scroll_x ( void ) const { return timeline->ts_to_x( timeline->xoffset ); }