/*
- 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 "region_view.h"
#include "region_selection.h"
+#include "time_axis_view.h"
+using namespace std;
using namespace ARDOUR;
using namespace PBD;
-using namespace sigc;
-
-
-bool
-RegionComparator::operator() (const RegionView* a, const RegionView* b) const
-{
- if (a == b) {
- return false;
- } else {
- return a < b;
- }
-}
+/** Construct an empty RegionSelection.
+ */
RegionSelection::RegionSelection ()
{
- _current_start = 0;
- _current_end = 0;
+ RegionView::RegionViewGoingAway.connect (death_connection, MISSING_INVALIDATOR, ui_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, ui_bind (&RegionSelection::remove_it, this, _1), gui_context());
for (RegionSelection::const_iterator i = other.begin(); i != other.end(); ++i) {
- add (*i, false);
+ 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, false);
+ add (*i);
}
-
- _current_start = other._current_start;
- _current_end = other._current_end;
}
return *this;
}
+/** Empty this RegionSelection.
+ */
void
RegionSelection::clear_all()
{
_bylayer.clear();
}
-bool RegionSelection::contains (RegionView* rv)
+/**
+ * @param rv RegionView.
+ * @return true if this selection contains rv.
+ */
+bool RegionSelection::contains (RegionView* rv) const
{
- if (this->find (rv) != end()) {
- return true;
- }
- else {
- return false;
- }
-
+ return find (begin(), end(), rv) != end();
}
-void
-RegionSelection::add (RegionView* rv, bool dosort)
+/** 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 (this->find (rv) != end()) {
+ 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;
+ return false;
}
- rv->RegionViewGoingAway.connect (mem_fun(*this, &RegionSelection::remove_it));
+ push_back (rv);
- 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();
- }
-
- insert (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 = this->find (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 */
-
- jack_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 */
-
- jack_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)
{
}
struct RegionSortByTime {
- bool operator() (const RegionView* a, const RegionView* b) {
+ bool operator() (const RegionView* a, const RegionView* b) const {
return a->region()->position() < b->region()->position();
}
};
+/**
+ * @param foo List which will be filled with the selection's regions
+ * sorted by position.
+ */
void
RegionSelection::by_position (list<RegionView*>& foo) const
{
foo.sort (sorter);
return;
}
+
+struct RegionSortByTrack {
+ 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();
+ }
+ }
+};
+
+
+/**
+ * @param List which will be filled with the selection's regions
+ * sorted by track and position.
+ */
+void
+RegionSelection::by_track (list<RegionView*>& foo) const
+{
+ list<RegionView*>::const_iterator i;
+ RegionSortByTrack sorter;
+
+ for (i = _bylayer.begin(); i != _bylayer.end(); ++i) {
+ foo.push_back (*i);
+ }
+
+ foo.sort (sorter);
+ return;
+}
+
+/**
+ * @param Sort the selection by position and track.
+ */
+void
+RegionSelection::sort_by_position_and_track ()
+{
+ RegionSortByTrack sorter;
+ 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_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()->position () + (*i)->region()->length ());
+ }
+
+ return e;
+}