Don't report an error when the user cancels a time stretch operation.

[ardour.git] / gtk2_ardour / editor_tempodisplay.cc

diff --git a/gtk2_ardour/editor_tempodisplay.cc b/gtk2_ardour/editor_tempodisplay.cc
index 5bec1d0f7b7f397ed9fbb93ed0e3c00c2bbd3834..fd598b8c817d739f8bd6e4a65c596fac08bca4b1 100644 (file)
--- a/gtk2_ardour/editor_tempodisplay.cc
+++ b/gtk2_ardour/editor_tempodisplay.cc
@@ -49,7 +49,6 @@
 #include "i18n.h"
 
 using namespace std;
-using namespace sigc;
 using namespace ARDOUR;
 using namespace PBD;
 using namespace Gtk;
@@ -94,26 +93,27 @@ Editor::draw_metric_marks (const Metrics& metrics)
 }
 
 void
-Editor::tempo_map_changed (Change ignored)
+Editor::tempo_map_changed (const PropertyChange& ignored)
 {
-       if (!session) {
+       if (!_session) {
                return;
        }
 
-       ENSURE_GUI_THREAD (*this, &Editor::tempo_map_changed, ignored)
+       ENSURE_GUI_THREAD (*this, &Editor::tempo_map_changed, ignored);
 
-       if (tempo_lines)
+       if (tempo_lines) {
                tempo_lines->tempo_map_changed();
+       }
 
        compute_current_bbt_points(leftmost_frame, leftmost_frame + current_page_frames());
-       session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
+       _session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
        redraw_measures ();
 }
 
 void
 Editor::redisplay_tempo (bool immediate_redraw)
 {
-       if (!session) {
+       if (!_session) {
                return;
        }
 
@@ -135,14 +135,14 @@ Editor::redisplay_tempo (bool immediate_redraw)
 void
 Editor::compute_current_bbt_points (nframes_t leftmost, nframes_t rightmost)
 {
-       if (!session) {
+       if (!_session) {
                return;
        }
 
        BBT_Time previous_beat, next_beat; // the beats previous to the leftmost frame and after the rightmost frame
 
-       session->bbt_time(leftmost, previous_beat);
-       session->bbt_time(rightmost, next_beat);
+       _session->bbt_time(leftmost, previous_beat);
+       _session->bbt_time(rightmost, next_beat);
 
        if (previous_beat.beats > 1) {
                previous_beat.beats -= 1;
@@ -152,7 +152,7 @@ Editor::compute_current_bbt_points (nframes_t leftmost, nframes_t rightmost)
        }
        previous_beat.ticks = 0;
 
-       if (session->tempo_map().meter_at(rightmost).beats_per_bar () > next_beat.beats + 1) {
+       if (_session->tempo_map().meter_at(rightmost).beats_per_bar () > next_beat.beats + 1) {
                next_beat.beats += 1;
        } else {
                next_beat.bars += 1;
@@ -163,7 +163,7 @@ Editor::compute_current_bbt_points (nframes_t leftmost, nframes_t rightmost)
        delete current_bbt_points;
        current_bbt_points = 0;
 
-       current_bbt_points = session->tempo_map().get_points (session->tempo_map().frame_time (previous_beat), session->tempo_map().frame_time (next_beat) + 1);
+       current_bbt_points = _session->tempo_map().get_points (_session->tempo_map().frame_time (previous_beat), _session->tempo_map().frame_time (next_beat) + 1);
 }
 
 void
@@ -183,7 +183,7 @@ Editor::redraw_measures ()
 void
 Editor::draw_measures ()
 {
-       if (session == 0 || _show_measures == false ||
+       if (_session == 0 || _show_measures == false ||
            !current_bbt_points || current_bbt_points->empty()) {
                return;
        }
@@ -198,11 +198,11 @@ Editor::draw_measures ()
 void
 Editor::mouse_add_new_tempo_event (nframes64_t frame)
 {
-       if (session == 0) {
+       if (_session == 0) {
                return;
        }
 
-       TempoMap& map(session->tempo_map());
+       TempoMap& map(_session->tempo_map());
        TempoDialog tempo_dialog (map, frame, _("add"));
 
        tempo_dialog.set_position (Gtk::WIN_POS_MOUSE);
@@ -231,7 +231,7 @@ Editor::mouse_add_new_tempo_event (nframes64_t frame)
         XMLNode &before = map.get_state();
        map.add_tempo (Tempo (bpm,nt), requested);
         XMLNode &after = map.get_state();
-       session->add_command(new MementoCommand<TempoMap>(map, &before, &after));
+       _session->add_command(new MementoCommand<TempoMap>(map, &before, &after));
        commit_reversible_command ();
 
        //map.dump (cerr);
@@ -240,12 +240,12 @@ Editor::mouse_add_new_tempo_event (nframes64_t frame)
 void
 Editor::mouse_add_new_meter_event (nframes64_t frame)
 {
-       if (session == 0) {
+       if (_session == 0) {
                return;
        }
 
 
-       TempoMap& map(session->tempo_map());
+       TempoMap& map(_session->tempo_map());
        MeterDialog meter_dialog (map, frame, _("add"));
 
        meter_dialog.set_position (Gtk::WIN_POS_MOUSE);
@@ -273,7 +273,7 @@ Editor::mouse_add_new_meter_event (nframes64_t frame)
        begin_reversible_command (_("add meter mark"));
         XMLNode &before = map.get_state();
        map.add_meter (Meter (bpb, note_type), requested);
-       session->add_command(new MementoCommand<TempoMap>(map, &before, &map.get_state()));
+       _session->add_command(new MementoCommand<TempoMap>(map, &before, &map.get_state()));
        commit_reversible_command ();
 
        //map.dump (cerr);
@@ -322,10 +322,10 @@ Editor::edit_meter_section (MeterSection* section)
        double note_type = meter_dialog.get_note_type ();
 
        begin_reversible_command (_("replace tempo mark"));
-        XMLNode &before = session->tempo_map().get_state();
-       session->tempo_map().replace_meter (*section, Meter (bpb, note_type));
-        XMLNode &after = session->tempo_map().get_state();
-       session->add_command(new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
+        XMLNode &before = _session->tempo_map().get_state();
+       _session->tempo_map().replace_meter (*section, Meter (bpb, note_type));
+        XMLNode &after = _session->tempo_map().get_state();
+       _session->add_command(new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
        commit_reversible_command ();
 }
 
@@ -352,15 +352,15 @@ Editor::edit_tempo_section (TempoSection* section)
        bpm = max (0.01, bpm);
 
        cerr << "Editing tempo section to be at " << when << endl;
-       session->tempo_map().dump (cerr);
+       _session->tempo_map().dump (cerr);
        begin_reversible_command (_("replace tempo mark"));
-       XMLNode &before = session->tempo_map().get_state();
-       session->tempo_map().replace_tempo (*section, Tempo (bpm,nt));
-       session->tempo_map().dump (cerr);
-       session->tempo_map().move_tempo (*section, when);
-       session->tempo_map().dump (cerr);
-       XMLNode &after = session->tempo_map().get_state();
-       session->add_command (new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
+       XMLNode &before = _session->tempo_map().get_state();
+       _session->tempo_map().replace_tempo (*section, Tempo (bpm,nt));
+       _session->tempo_map().dump (cerr);
+       _session->tempo_map().move_tempo (*section, when);
+       _session->tempo_map().dump (cerr);
+       XMLNode &after = _session->tempo_map().get_state();
+       _session->add_command (new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
        commit_reversible_command ();
 }
 
@@ -406,10 +406,10 @@ gint
 Editor::real_remove_tempo_marker (TempoSection *section)
 {
        begin_reversible_command (_("remove tempo mark"));
-       XMLNode &before = session->tempo_map().get_state();
-       session->tempo_map().remove_tempo (*section);
-       XMLNode &after = session->tempo_map().get_state();
-       session->add_command(new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
+       XMLNode &before = _session->tempo_map().get_state();
+       _session->tempo_map().remove_tempo (*section);
+       XMLNode &after = _session->tempo_map().get_state();
+       _session->add_command(new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
        commit_reversible_command ();
 
        return FALSE;
@@ -440,10 +440,10 @@ gint
 Editor::real_remove_meter_marker (MeterSection *section)
 {
        begin_reversible_command (_("remove tempo mark"));
-       XMLNode &before = session->tempo_map().get_state();
-       session->tempo_map().remove_meter (*section);
-       XMLNode &after = session->tempo_map().get_state();
-       session->add_command(new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
+       XMLNode &before = _session->tempo_map().get_state();
+       _session->tempo_map().remove_meter (*section);
+       XMLNode &after = _session->tempo_map().get_state();
+       _session->add_command(new MementoCommand<TempoMap>(_session->tempo_map(), &before, &after));
        commit_reversible_command ();
 
        return FALSE;