/*
- 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
#include <algorithm>
-#include <ardour/region.h>
+#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 ()
{
- _current_start = 0;
- _current_end = 0;
+ RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, boost::bind (&RegionSelection::remove_it, this, _1), gui_context());
}
+/** Copy constructor.
+ * @param other RegionSelection to copy.
+ */
RegionSelection::RegionSelection (const RegionSelection& other)
+ : std::list<RegionView*>()
{
+ 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);
}
- _current_start = other._current_start;
- _current_end = other._current_end;
}
-
-
+/** operator= to set a RegionSelection to be the same as another.
+ * @param other Other RegionSelection.
+ */
RegionSelection&
RegionSelection::operator= (const RegionSelection& other)
{
if (this != &other) {
clear_all();
-
+
for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) {
add (*i);
}
-
- _current_start = other._current_start;
- _current_end = other._current_end;
}
return *this;
}
+/** Empty this RegionSelection.
+ */
void
RegionSelection::clear_all()
{
clear();
+ pending.clear ();
_bylayer.clear();
- _current_start = 0;
- _current_end = 0;
}
+/**
+ * @param rv RegionView.
+ * @return true if this selection contains rv.
+ */
bool RegionSelection::contains (RegionView* rv) const
{
return find (begin(), end(), rv) != end();
}
+/** 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,
+ * 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;
}
- rv->RegionViewGoingAway.connect (mem_fun(*this, &RegionSelection::remove_it));
-
- 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
+ /* add to layer sorted list */
add_to_layer (rv);
return true;
}
+/** Remove a region from the selection.
+ * @param rv Region to remove.
+ */
void
RegionSelection::remove_it (RegionView *rv)
{
remove (rv);
}
+/** Remove a region from the selection.
+ * @param rv Region to remove.
+ * @return true if the region was in the selection, false if not.
+ */
bool
RegionSelection::remove (RegionView* rv)
{
- RegionSelection::iterator i;
-
- if ((i = find (begin(), end(), rv)) != end()) {
+ RegionSelection::iterator r;
- erase (i);
+ if ((r = find (begin(), end(), rv)) != end()) {
// remove from layer sorted list
_bylayer.remove (rv);
-
- if (empty()) {
-
- _current_start = 0;
- _current_end = 0;
-
- } else {
-
- boost::shared_ptr<Region> region ((*i)->region());
-
- if (region->first_frame() == _current_start) {
-
- /* reset current start */
-
- nframes_t ref = max_frames;
-
- for (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 (i = begin (); i != end(); ++i) {
- if (region->first_frame() > ref) {
- ref = region->first_frame();
- }
- }
-
- _current_end = ref;
- }
- }
+ erase (r);
return true;
}
return false;
}
+/** Add a region to the list sorted by layer.
+ * @param rv Region to add.
+ */
void
RegionSelection::add_to_layer (RegionView * rv)
{
};
+/**
+ * @param foo List which will be filled with the selection's regions
+ * sorted by position.
+ */
void
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) {
+ if (a->get_time_axis_view().order() == b->get_time_axis_view().order()) {
return a->region()->position() < b->region()->position();
} else {
- return a->get_trackview().order < b->get_trackview().order;
+ return a->get_time_axis_view().order() < b->get_time_axis_view().order();
}
}
};
-
+
+
+/**
+ * @param List which will be filled with the selection's regions
+ * sorted by track and position.
+ */
void
RegionSelection::by_track (list<RegionView*>& foo) const
{
return;
}
+/**
+ * @param Sort the selection by position and track.
+ */
void
RegionSelection::sort_by_position_and_track ()
{
sort (sorter);
}
+/**
+ * @param tv Track.
+ * @return true if any of the selection's regions are on tv.
+ */
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;
}
-
+
+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;
+}