Work on handling selection.

Loggable.C

@@ -361,7 +361,6 @@ Loggable::flush ( void )
     if ( n > 1 )
         fprintf( _fp, "}\n" );
 
-
     fflush( _fp );
 }
 

Track.C

@@ -25,9 +25,7 @@
 #include <FL/fl_draw.H>
 
 
-Track_Widget * Track::_queued_widget = NULL;
-
-
+queue <Track_Widget *> Track::_delete_queue;
 
 
 
@@ -202,7 +200,7 @@ Track::handle ( int m )
 
             if ( r )
             {
-                int retval = r->handle( m );
+                int retval = r->dispatch( m );
 
                 if ( retval && m == FL_PUSH )
                     pushed = r;
@@ -210,11 +208,11 @@ Track::handle ( int m )
                 if ( retval && m == FL_RELEASE )
                     pushed = NULL;
 
-                if ( _queued_widget )
+                while ( _delete_queue.size() )
                 {
-//                    remove( _queued_widget );
-                    delete _queued_widget;
-                    _queued_widget = NULL;
+
+                    delete _delete_queue.front();
+                    _delete_queue.pop();
                     pushed = NULL;
                 }
 

Track.H

@@ -30,7 +30,8 @@
 #include <assert.h>
 
 #include <list>
-using std::list;
+#include <queue>
+using namespace std;
 
 class Region;
 class Track_Widget;
@@ -41,7 +42,7 @@ class Track : public Fl_Group, public Loggable
     Track *_prev;
     char *_name;
 
-    static Track_Widget * _queued_widget;
+    static queue <Track_Widget *> _delete_queue;
 
 protected:
 
@@ -118,9 +119,7 @@ public:
 
     void queue_delete ( Track_Widget *r )
         {
-            assert( ! _queued_widget );
-
-            _queued_widget = r;
+            _delete_queue.push( r );
         }
 
     virtual void snap ( Track_Widget *r );

Track_Widget.C

@@ -20,6 +20,7 @@
 #include "Track_Widget.H"
 
 list <Track_Widget *> Track_Widget::_selection;
+Track_Widget * Track_Widget::_current;
 
 void
 Track_Widget::draw_label ( const char *label, Fl_Align align )
@@ -76,13 +77,38 @@ Track_Widget::draw_label ( const char *label, Fl_Align align )
 
 }
 
+int
+Track_Widget::dispatch ( int m )
+{
+    Track_Widget::_current = this;
+
+    if ( selected() )
+    {
+        Loggable::block_start();
+
+        int r = 0;
+
+
+        for ( list <Track_Widget *>::iterator i = _selection.begin(); i != _selection.end(); i++ )
+            if ( *i != this )
+                r |= (*i)->handle( m );
+
+        r |= handle( m );
+
+        Loggable::block_end();
+
+        return r;
+    }
+    else
+        return handle( m );
+}
 
 /* base hanlde just does basic dragging */
 int
 Track_Widget::handle ( int m )
 {
-    static int ox, oy;
-    static bool dragging = false;
+/*     static int ox, oy; */
+/*     static bool dragging = false; */
 
     int X = Fl::event_x();
     int Y = Fl::event_y();
@@ -99,8 +125,9 @@ Track_Widget::handle ( int m )
             return 1;
         case FL_PUSH:
         {
-            ox = x() - X;
-            oy = y() - Y;
+
+/*             ox = x() - X; */
+/*             oy = y() - Y; */
 
             if ( Fl::event_state() & FL_CTRL &&
                  Fl::event_button() == 3 )
@@ -115,19 +142,30 @@ Track_Widget::handle ( int m )
             return 1;
         }
         case FL_RELEASE:
-            if ( dragging )
+            if ( _drag )
+            {
                 _log.release();
-            dragging = false;
+                delete _drag;
+                _drag = NULL;
+            }
+
             fl_cursor( FL_CURSOR_DEFAULT );
             return 1;
         case FL_DRAG:
         {
-            if ( ! dragging )
+            if ( ! _drag )
             {
-                dragging = true;
+                _drag = new Drag( x() - X, y() - Y );
+
                 _log.hold();
             }
 
+            const int ox = _drag->x;
+// _current->_drag->x;
+
+/*             const int ox = _drag->x; */
+/*             const int oy = _drag->y; */
+
             redraw();
 
             if ( timeline->ts_to_x( timeline->xoffset ) + ox + X > _track->x() )
@@ -137,7 +175,8 @@ Track_Widget::handle ( int m )
                 // _offset = timeline->x_to_ts( nx ) + timeline->xoffset;
                 offset( timeline->x_to_ts( nx ) + timeline->xoffset );
 
-                _track->snap( this );
+                if ( Track_Widget::_current == this )
+                    _track->snap( this );
             }
 
             //                  _track->redraw();

Track_Widget.H

@@ -31,7 +31,8 @@ using namespace std;
 class Track_Widget : public Loggable
 {
 
-    static list <Track_Widget *> _selection;
+    static list <Track_Widget *> _selection;                    /* all the widgets making up the selection */
+    static Track_Widget * _current;                             /* the widget initiating events that affect the selection */
 
 protected:
 
@@ -44,6 +45,17 @@ protected:
     Fl_Color _color;                                            /* color of waveform */
     Fl_Color _box_color;                                        /* color of background (box) */
 
+    struct Drag
+    {
+        /* mouse coords at start of drag */
+        int x;
+        int y;
+
+        Drag( int X, int Y ) : x( X ), y( Y ) {}
+    };
+
+    Drag *_drag;
+
 public:
 
     Track_Widget ( )
@@ -51,6 +63,8 @@ public:
             _track = NULL;
 
             _offset = _start = _end = 0;
+
+            _drag = NULL;
         }
 
     virtual ~Track_Widget ( )
@@ -85,6 +99,8 @@ public:
                 delete _selection.front();
         }
 
+    static Track_Widget *current ( void ) { return _current; }
+
     void
     offset ( nframes_t where )
         {
@@ -112,6 +128,8 @@ public:
         }
 
 
+    int dispatch ( int m );
+
     Fl_Group * parent ( void ) const { return _track; }
 
     int scroll_x ( void ) const { return timeline->ts_to_x( timeline->xoffset ); }