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[ardour.git] / gtk2_ardour / region_selection.cc

diff --git a/gtk2_ardour/region_selection.cc b/gtk2_ardour/region_selection.cc
index 16f89e5eab2b05e648eee823c15d94029c93c622..3161b01007b0f54e3c88eb6f9c840556f2b1f5bc 100644 (file)
--- a/gtk2_ardour/region_selection.cc
+++ b/gtk2_ardour/region_selection.cc
@@ -21,6 +21,7 @@
 #include "ardour/region.h"
 
 #include "gui_thread.h"
+#include "midi_region_view.h"
 #include "region_view.h"
 #include "region_selection.h"
 #include "time_axis_view.h"
@@ -33,10 +34,7 @@ using namespace PBD;
  */
 RegionSelection::RegionSelection ()
 {
-       RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, ui_bind (&RegionSelection::remove_it, this, _1), gui_context());
-
-       _current_start = 0;
-       _current_end = 0;
+       RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, boost::bind (&RegionSelection::remove_it, this, _1), gui_context());
 }
 
 /** Copy constructor.
@@ -45,10 +43,7 @@ RegionSelection::RegionSelection ()
 RegionSelection::RegionSelection (const RegionSelection& other)
        : std::list<RegionView*>()
 {
-       RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, ui_bind (&RegionSelection::remove_it, this, _1), gui_context());
-
-       _current_start = other._current_start;
-       _current_end = other._current_end;
+       RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, boost::bind (&RegionSelection::remove_it, this, _1), gui_context());
 
        for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) {
                add (*i);
@@ -65,9 +60,6 @@ RegionSelection::operator= (const RegionSelection& other)
 
                clear_all();
 
-               _current_start = other._current_start;
-               _current_end = other._current_end;
-
                for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) {
                        add (*i);
                }
@@ -82,9 +74,8 @@ void
 RegionSelection::clear_all()
 {
        clear();
+       pending.clear ();
        _bylayer.clear();
-       _current_start = 0;
-       _current_end = 0;
 }
 
 /**
@@ -98,7 +89,7 @@ bool RegionSelection::contains (RegionView* rv) const
 
 /** Add a region to the selection.
  *  @param rv Region to add.
- *  @return false if we already had the region or if it cannot be added, 
+ *  @return false if we already had the region or if it cannot be added,
  *          otherwise true.
  */
 bool
@@ -117,14 +108,6 @@ RegionSelection::add (RegionView* rv)
                return false;
        }
 
-       if (rv->region()->first_frame() < _current_start || empty()) {
-               _current_start = rv->region()->first_frame();
-       }
-
-       if (rv->region()->last_frame() > _current_end || empty()) {
-               _current_end = rv->region()->last_frame();
-       }
-
        push_back (rv);
 
        /* add to layer sorted list */
@@ -156,54 +139,8 @@ RegionSelection::remove (RegionView* rv)
 
                // remove from layer sorted list
                _bylayer.remove (rv);
-
-               if (size() == 1) {
-
-                       /* this is the last one, so when we delete it
-                          we will be empty.
-                       */
-
-                       _current_start = 0;
-                       _current_end = 0;
-
-               } else {
-
-                       boost::shared_ptr<Region> region ((*r)->region());
-
-                       if (region->first_frame() == _current_start) {
-
-                               /* reset current start */
-
-                               framepos_t ref = max_framepos;
-
-                               for (RegionSelection::iterator i = begin (); i != end(); ++i) {
-                                       if (region->first_frame() < ref) {
-                                               ref = region->first_frame();
-                                       }
-                               }
-
-                               _current_start = ref;
-
-                       }
-
-                       if (region->last_frame() == _current_end) {
-
-                               /* reset current end */
-
-                               nframes_t ref = 0;
-
-                               for (RegionSelection::iterator i = begin (); i != end(); ++i) {
-                                       if (region->first_frame() > ref) {
-                                               ref = region->first_frame();
-                                       }
-                               }
-
-                               _current_end = ref;
-                       }
-               }
-
+               pending.remove (rv->region()->id());
                erase (r);
-
                return true;
        }
 
@@ -314,3 +251,65 @@ RegionSelection::involves (const TimeAxisView& tv) const
        return false;
 }
 
+framepos_t
+RegionSelection::start () const
+{
+       framepos_t s = max_framepos;
+       for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
+               s = min (s, (*i)->region()->position ());
+       }
+
+       if (s == max_framepos) {
+               return 0;
+       }
+
+       return s;
+}
+
+framepos_t
+RegionSelection::end_frame () const
+{
+       framepos_t e = 0;
+       for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
+               e = max (e, (*i)->region()->last_frame ());
+       }
+
+       return e;
+}
+
+/** @return the playlists that the regions in the selection are on */
+set<boost::shared_ptr<Playlist> >
+RegionSelection::playlists () const
+{
+       set<boost::shared_ptr<Playlist> > pl;
+       for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
+               pl.insert ((*i)->region()->playlist ());
+       }
+
+       return pl;
+}
+
+size_t
+RegionSelection::n_midi_regions () const
+{
+       size_t count = 0;
+
+       for (const_iterator r = begin(); r != end(); ++r) {
+               MidiRegionView* const mrv = dynamic_cast<MidiRegionView*> (*r);
+               if (mrv) {
+                       ++count;
+               }
+       }
+
+       return count;
+}
+
+ARDOUR::RegionList
+RegionSelection::regionlist () const
+{
+       ARDOUR::RegionList rl;
+       for (const_iterator r = begin (); r != end (); ++r) {
+               rl.push_back ((*r)->region ());
+       }
+       return rl;
+}