Allow to limit strip-inline controls (GUI optimization)
[ardour.git] / gtk2_ardour / region_selection.cc
index 59d74d933f3e199c57d6cc0af4b350294189dcb3..e5cc93a0b1f50c8b32e05d5a48c0198978da612f 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2006 Paul Davis 
+    Copyright (C) 2006 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -20,6 +20,8 @@
 
 #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"
 using namespace std;
 using namespace ARDOUR;
 using namespace PBD;
-using namespace sigc;
 
 /** Construct an empty RegionSelection.
  */
 RegionSelection::RegionSelection ()
 {
-       RegionView::RegionViewGoingAway.connect (mem_fun(*this, &RegionSelection::remove_it));
-
-       _current_start = 0;
-       _current_end = 0;
+       RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, boost::bind (&RegionSelection::remove_it, this, _1), gui_context());
 }
 
 /** Copy constructor.
@@ -44,13 +42,9 @@ RegionSelection::RegionSelection ()
  */
 RegionSelection::RegionSelection (const RegionSelection& other)
        : std::list<RegionView*>()
-       , sigc::trackable(other)
 {
-       RegionView::RegionViewGoingAway.connect (mem_fun(*this, &RegionSelection::remove_it));
+       RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, boost::bind (&RegionSelection::remove_it, this, _1), gui_context());
 
-       _current_start = other._current_start;
-       _current_end = other._current_end;
-       
        for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) {
                add (*i);
        }
@@ -65,10 +59,7 @@ RegionSelection::operator= (const RegionSelection& other)
        if (this != &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);
                }
@@ -83,9 +74,8 @@ void
 RegionSelection::clear_all()
 {
        clear();
+       pending.clear ();
        _bylayer.clear();
-       _current_start = 0;
-       _current_end = 0;
 }
 
 /**
@@ -97,26 +87,37 @@ bool RegionSelection::contains (RegionView* rv) const
        return find (begin(), end(), rv) != end();
 }
 
+bool RegionSelection::contains (boost::shared_ptr<ARDOUR::Region> region) const
+{
+       for (const_iterator r = begin (); r != end (); ++r) {
+               if ((*r)->region () == region) {
+                       return true;
+               }
+       }
+       return false;
+}
+
 /** Add a region to the selection.
  *  @param rv Region to add.
- *  @return false if we already had the region, otherwise true.
+ *  @return false if we already had the region or if it cannot be added,
+ *          otherwise true.
  */
 bool
 RegionSelection::add (RegionView* rv)
 {
+       if (!rv->region()->playlist()) {
+               /* not attached to a playlist - selection not allowed.
+                  This happens if the user tries to select a region
+                  during a capture pass.
+               */
+               return false;
+       }
+
        if (contains (rv)) {
                /* we already have it */
                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 */
@@ -148,54 +149,8 @@ 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 */
-                               
-                               nframes_t ref = max_frames;
-                               
-                               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;
        }
 
@@ -225,9 +180,9 @@ RegionSelection::add_to_layer (RegionView * rv)
 }
 
 struct RegionSortByTime {
-    bool operator() (const RegionView* a, const RegionView* b) const {
-           return a->region()->position() < b->region()->position();
-    }
+       bool operator() (const RegionView* a, const RegionView* b) const {
+               return a->region()->position() < b->region()->position();
+       }
 };
 
 
@@ -250,16 +205,16 @@ RegionSelection::by_position (list<RegionView*>& foo) const
 }
 
 struct RegionSortByTrack {
-    bool operator() (const RegionView* a, const RegionView* b) const {
-           
-           /* really, track and position */
-
-           if (a->get_trackview().order() == b->get_trackview().order()) {
-                   return a->region()->position() < b->region()->position();
-           } else {
-                   return a->get_trackview().order() < b->get_trackview().order();
-           }
-    }
+       bool operator() (const RegionView* a, const RegionView* b) const {
+
+               /* really, track and position */
+
+               if (a->get_time_axis_view().order() == b->get_time_axis_view().order()) {
+                       return a->region()->position() < b->region()->position();
+               } else {
+                       return a->get_time_axis_view().order() < b->get_time_axis_view().order();
+               }
+       }
 };
 
 
@@ -299,10 +254,72 @@ bool
 RegionSelection::involves (const TimeAxisView& tv) const
 {
        for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
-               if (&(*i)->get_trackview() == &tv) {
+               if (&(*i)->get_time_axis_view() == &tv) {
                        return true;
                }
        }
        return false;
 }
 
+samplepos_t
+RegionSelection::start () const
+{
+       samplepos_t s = max_samplepos;
+       for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
+               s = min (s, (*i)->region()->position ());
+       }
+
+       if (s == max_samplepos) {
+               return 0;
+       }
+
+       return s;
+}
+
+samplepos_t
+RegionSelection::end_sample () const
+{
+       samplepos_t e = 0;
+       for (RegionSelection::const_iterator i = begin(); i != end(); ++i) {
+               e = max (e, (*i)->region()->last_sample ());
+       }
+
+       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;
+}