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Fix for bug #255, Implement undo/redo when changing the region start position 

in the Audio region editor, also added for when changing the end and length clocks.


git-svn-id: svn://localhost/ardour2/trunk@1120 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Tim Mayberry 2006-11-13 00:50:28 +00:00
parent 3b42be5d40
commit 2dafaad193
1 changed files with 41 additions and 4 deletions
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45
gtk2_ardour/audio_region_editor.cc
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@ -18,7 +18,10 @@
$Id$
*/
#include <pbd/memento_command.h>
#include <ardour/audioregion.h>
#include <ardour/playlist.h>
#include <ardour/utils.h>
#include <gtkmm2ext/utils.h>
#include <gtkmm2ext/stop_signal.h>
@ -282,7 +285,7 @@ AudioRegionEditor::breleased (GdkEventButton* ev, Gtk::SpinButton* but, void (Au
void
AudioRegionEditor::connect_editor_events ()
{
name_entry.signal_changed().connect (mem_fun(*this, &AudioRegionEditor::name_entry_changed));
name_entry.signal_changed().connect (mem_fun(*this, &AudioRegionEditor::name_entry_changed));
start_clock.ValueChanged.connect (mem_fun(*this, &AudioRegionEditor::start_clock_changed));
end_clock.ValueChanged.connect (mem_fun(*this, &AudioRegionEditor::end_clock_changed));
@ -303,13 +306,35 @@ AudioRegionEditor::connect_editor_events ()
void
AudioRegionEditor::start_clock_changed ()
{
_region->set_position (start_clock.current_time(), this);
_session.begin_reversible_command (_("change region start position"));
Playlist* const pl = _region->playlist();
if (pl) {
XMLNode &before = pl->get_state();
_region->set_position (start_clock.current_time(), this);
XMLNode &after = pl->get_state();
_session.add_command(new MementoCommand<Playlist>(*pl, &before, &after));
}
_session.commit_reversible_command ();
}
void
AudioRegionEditor::end_clock_changed ()
{
_region->trim_end (end_clock.current_time(), this);
_session.begin_reversible_command (_("change region end position"));
Playlist* const pl = _region->playlist();
if (pl) {
XMLNode &before = pl->get_state();
_region->trim_end (end_clock.current_time(), this);
XMLNode &after = pl->get_state();
_session.add_command(new MementoCommand<Playlist>(*pl, &before, &after));
}
_session.commit_reversible_command ();
end_clock.set (_region->position() + _region->length(), true);
}
@ -318,7 +343,19 @@ void
AudioRegionEditor::length_clock_changed ()
{
nframes_t frames = length_clock.current_time();
_region->trim_end (_region->position() + frames, this);
_session.begin_reversible_command (_("change region length"));
Playlist* const pl = _region->playlist();
if (pl) {
XMLNode &before = pl->get_state();
_region->trim_end (_region->position() + frames, this);
XMLNode &after = pl->get_state();
_session.add_command(new MementoCommand<Playlist>(*pl, &before, &after));
}
_session.commit_reversible_command ();
length_clock.set (_region->length());
}