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livetrax/gtk2_ardour/editor_mixer.cc
David Robillard 82232f06ba Merged with trunk R861
Possible new bugs - not very thoroughly tested, but at least functional at first glance


git-svn-id: svn://localhost/ardour2/branches/midi@870 d708f5d6-7413-0410-9779-e7cbd77b26cf
2006-08-29 21:21:48 +00:00

311 lines
7.5 KiB
C++

/*
Copyright (C) 2003-2004 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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#include <gtkmm2ext/utils.h>
#include <ardour/audioengine.h>
#include "editor.h"
#include "mixer_strip.h"
#include "ardour_ui.h"
#include "selection.h"
#include "audio_time_axis.h"
#include "actions.h"
#include "i18n.h"
void
Editor::editor_mixer_button_toggled ()
{
Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
if (act) {
Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
show_editor_mixer (tact->get_active());
}
}
void
Editor::cms_deleted ()
{
current_mixer_strip = 0;
}
void
Editor::show_editor_mixer (bool yn)
{
if (yn) {
if (current_mixer_strip == 0) {
if (selection->tracks.empty()) {
if (track_views.empty()) {
return;
}
for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
AudioTimeAxisView* atv;
if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
*session,
atv->route(), false);
current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::cms_deleted));
break;
}
}
} else {
for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
AudioTimeAxisView* atv;
if ((atv = dynamic_cast<AudioTimeAxisView*> (*i)) != 0) {
current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
*session,
atv->route(), false);
current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::cms_deleted));
break;
}
}
}
if (current_mixer_strip == 0) {
return;
}
}
if (current_mixer_strip->get_parent() == 0) {
current_mixer_strip->set_embedded (true);
current_mixer_strip->Hiding.connect (mem_fun(*this, &Editor::current_mixer_strip_hidden));
current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::current_mixer_strip_removed));
current_mixer_strip->set_width (editor_mixer_strip_width);
global_hpacker.pack_start (*current_mixer_strip, Gtk::PACK_SHRINK );
global_hpacker.reorder_child (*current_mixer_strip, 0);
current_mixer_strip->show_all ();
}
} else {
if (current_mixer_strip) {
editor_mixer_strip_width = current_mixer_strip->get_width ();
if (current_mixer_strip->get_parent() != 0) {
global_hpacker.remove (*current_mixer_strip);
}
}
}
}
void
Editor::set_selected_mixer_strip (TimeAxisView& view)
{
AudioTimeAxisView* at;
bool show = false;
if (!session || (at = dynamic_cast<AudioTimeAxisView*>(&view)) == 0) {
return;
}
if (current_mixer_strip) {
/* might be nothing to do */
if (current_mixer_strip->route() == at->route()) {
return;
}
if (current_mixer_strip->get_parent()) {
show = true;
}
delete current_mixer_strip;
current_mixer_strip = 0;
}
current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
*session,
at->route());
current_mixer_strip->GoingAway.connect (mem_fun(*this, &Editor::cms_deleted));
if (show) {
show_editor_mixer (true);
}
}
void
Editor::update_current_screen ()
{
if (session && engine.running()) {
jack_nframes_t frame;
frame = session->audible_frame();
/* only update if the playhead is on screen or we are following it */
if (_follow_playhead) {
playhead_cursor->canvas_item.show();
if (frame != last_update_frame) {
const jack_nframes_t page_width = current_page_frames();
// Percentage width of the visible range to use as a scroll interval
// Idea: snap this to the nearest bar/beat/tick/etc, would make scrolling much
// less jarring when zoomed in.. and it would be fun to watch :)
static const double scroll_pct = 3.0/4.0;
const jack_nframes_t rightmost_frame = leftmost_frame + page_width;
const jack_nframes_t scroll_interval = (jack_nframes_t)(page_width * scroll_pct);
const jack_nframes_t padding = (jack_nframes_t)floor((page_width-scroll_interval) / 2.0);
if (frame < leftmost_frame + padding || frame > rightmost_frame - padding) {
if (session->transport_speed() < 0) {
if (frame > scroll_interval) {
center_screen (frame - scroll_interval/2);
} else {
center_screen (scroll_interval);
}
} else {
center_screen(frame + scroll_interval/2);
}
}
playhead_cursor->set_position (frame);
}
} else {
if (frame != last_update_frame) {
if (frame < leftmost_frame || frame > leftmost_frame + current_page_frames()) {
playhead_cursor->canvas_item.hide();
} else {
playhead_cursor->set_position (frame);
}
}
}
last_update_frame = frame;
if (current_mixer_strip) {
current_mixer_strip->fast_update ();
}
}
}
void
Editor::current_mixer_strip_removed ()
{
if (current_mixer_strip) {
/* it is being deleted */
current_mixer_strip = 0;
}
}
void
Editor::current_mixer_strip_hidden ()
{
for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
AudioTimeAxisView* tmp;
if ((tmp = dynamic_cast<AudioTimeAxisView*>(*i)) != 0) {
if (tmp->route() == current_mixer_strip->route()) {
(*i)->set_selected (false);
break;
}
}
}
Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
if (act) {
Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
tact->set_active (false);
}
}
void
Editor::session_going_away ()
{
for (vector<sigc::connection>::iterator i = session_connections.begin(); i != session_connections.end(); ++i) {
(*i).disconnect ();
}
stop_scrolling ();
selection->clear ();
cut_buffer->clear ();
clicked_regionview = 0;
clicked_axisview = 0;
clicked_routeview = 0;
clicked_crossfadeview = 0;
entered_regionview = 0;
entered_track = 0;
latest_regionview = 0;
last_update_frame = 0;
drag_info.item = 0;
last_canvas_frame = 0;
/* hide all tracks */
hide_all_tracks (false);
/* rip everything out of the list displays */
region_list_clear (); // no clear() method in gtkmm 1.2
route_display_model->clear ();
named_selection_model->clear ();
group_model->clear ();
edit_cursor_clock.set_session (0);
zoom_range_clock.set_session (0);
nudge_clock.set_session (0);
/* put editor/mixer toggle button in off position and disable until a new session is loaded */
editor_mixer_button.set_active(false);
editor_mixer_button.set_sensitive(false);
/* clear tempo/meter rulers */
remove_metric_marks ();
hide_measures ();
clear_marker_display ();
if (current_bbt_points) {
delete current_bbt_points;
current_bbt_points = 0;
}
/* mixer strip will be deleted all by itself
when its route is deleted.
*/
current_mixer_strip = 0;
set_title (_("ardour: editor"));
session = 0;
}