491 lines
10 KiB
C++
491 lines
10 KiB
C++
/*
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Copyright (C) 2001-2006 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: regionview.cc 691 2006-07-23 12:03:19Z drobilla $
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*/
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#include <cmath>
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#include <cassert>
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#include <algorithm>
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#include <gtkmm.h>
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#include <gtkmm2ext/gtk_ui.h>
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#include <ardour/playlist.h>
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#include <ardour/audioregion.h>
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#include <ardour/audiosource.h>
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#include <ardour/audio_diskstream.h>
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#include "streamview.h"
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#include "region_view.h"
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#include "route_time_axis.h"
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#include "simplerect.h"
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#include "simpleline.h"
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#include "waveview.h"
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#include "public_editor.h"
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#include "region_editor.h"
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#include "ghostregion.h"
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#include "route_time_axis.h"
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#include "utils.h"
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#include "rgb_macros.h"
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#include "gui_thread.h"
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#include "i18n.h"
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using namespace sigc;
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Editing;
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using namespace ArdourCanvas;
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static const int32_t sync_mark_width = 9;
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sigc::signal<void,RegionView*> RegionView::RegionViewGoingAway;
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RegionView::RegionView (ArdourCanvas::Group* parent,
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TimeAxisView& tv,
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boost::shared_ptr<ARDOUR::Region> r,
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double spu,
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Gdk::Color& basic_color)
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: TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(),
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TimeAxisViewItem::Visibility (TimeAxisViewItem::ShowNameText|
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TimeAxisViewItem::ShowNameHighlight|
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TimeAxisViewItem::ShowFrame))
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, _region (r)
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, sync_mark(0)
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, no_wave_msg(0)
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, editor(0)
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, current_visible_sync_position(0.0)
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, valid(false)
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, _pixel_width(1.0)
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, _height(1.0)
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, in_destructor(false)
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, wait_for_data(false)
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{
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}
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RegionView::RegionView (ArdourCanvas::Group* parent,
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TimeAxisView& tv,
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boost::shared_ptr<ARDOUR::Region> r,
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double spu,
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Gdk::Color& basic_color,
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TimeAxisViewItem::Visibility visibility)
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: TimeAxisViewItem (r->name(), *parent, tv, spu, basic_color, r->position(), r->length(), visibility)
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, _region (r)
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, sync_mark(0)
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, no_wave_msg(0)
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, editor(0)
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, current_visible_sync_position(0.0)
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, valid(false)
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, _pixel_width(1.0)
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, _height(1.0)
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, in_destructor(false)
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, wait_for_data(false)
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{
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}
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void
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RegionView::init (Gdk::Color& basic_color, bool wfd)
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{
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editor = 0;
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valid = true;
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in_destructor = false;
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_height = 0;
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wait_for_data = wfd;
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compute_colors (basic_color);
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name_highlight->set_data ("regionview", this);
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if (name_text) {
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name_text->set_data ("regionview", this);
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}
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/* an equilateral triangle */
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ArdourCanvas::Points shape;
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shape.push_back (Gnome::Art::Point (-((sync_mark_width-1)/2), 1));
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shape.push_back (Gnome::Art::Point ((sync_mark_width - 1)/2, 1));
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shape.push_back (Gnome::Art::Point (0, sync_mark_width - 1));
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shape.push_back (Gnome::Art::Point (-((sync_mark_width-1)/2), 1));
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sync_mark = new ArdourCanvas::Polygon (*group);
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sync_mark->property_points() = shape;
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sync_mark->property_fill_color_rgba() = fill_color;
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sync_mark->hide();
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reset_width_dependent_items ((double) _region->length() / samples_per_unit);
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set_height (trackview.height);
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_region->StateChanged.connect (mem_fun(*this, &RegionView::region_changed));
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group->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_event), group, this));
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name_highlight->signal_event().connect (bind (mem_fun (PublicEditor::instance(), &PublicEditor::canvas_region_view_name_highlight_event), name_highlight, this));
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set_colors ();
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ColorChanged.connect (mem_fun (*this, &RegionView::color_handler));
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/* XXX sync mark drag? */
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}
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RegionView::~RegionView ()
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{
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in_destructor = true;
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for (vector<GhostRegion*>::iterator g = ghosts.begin(); g != ghosts.end(); ++g) {
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delete *g;
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}
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if (editor) {
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delete editor;
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}
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}
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gint
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RegionView::_lock_toggle (ArdourCanvas::Item* item, GdkEvent* ev, void* arg)
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{
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switch (ev->type) {
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case GDK_BUTTON_RELEASE:
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static_cast<RegionView*>(arg)->lock_toggle ();
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return TRUE;
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break;
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default:
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break;
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}
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return FALSE;
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}
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void
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RegionView::lock_toggle ()
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{
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_region->set_locked (!_region->locked());
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}
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void
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RegionView::region_changed (Change what_changed)
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{
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ENSURE_GUI_THREAD (bind (mem_fun(*this, &RegionView::region_changed), what_changed));
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if (what_changed & BoundsChanged) {
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region_resized (what_changed);
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region_sync_changed ();
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}
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if (what_changed & Region::MuteChanged) {
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region_muted ();
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}
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if (what_changed & Region::OpacityChanged) {
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region_opacity ();
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}
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if (what_changed & ARDOUR::NameChanged) {
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region_renamed ();
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}
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if (what_changed & Region::SyncOffsetChanged) {
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region_sync_changed ();
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}
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if (what_changed & Region::LayerChanged) {
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region_layered ();
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}
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if (what_changed & Region::LockChanged) {
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region_locked ();
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}
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}
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void
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RegionView::region_locked ()
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{
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/* name will show locked status */
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region_renamed ();
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}
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void
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RegionView::region_resized (Change what_changed)
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{
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double unit_length;
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if (what_changed & ARDOUR::PositionChanged) {
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set_position (_region->position(), 0);
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}
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if (what_changed & Change (StartChanged|LengthChanged)) {
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set_duration (_region->length(), 0);
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unit_length = _region->length() / samples_per_unit;
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for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
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(*i)->set_duration (unit_length);
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}
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}
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}
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void
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RegionView::reset_width_dependent_items (double pixel_width)
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{
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TimeAxisViewItem::reset_width_dependent_items (pixel_width);
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_pixel_width = pixel_width;
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}
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void
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RegionView::region_layered ()
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{
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RouteTimeAxisView *rtv = dynamic_cast<RouteTimeAxisView*>(&get_time_axis_view());
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assert(rtv);
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rtv->view()->region_layered (this);
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}
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void
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RegionView::region_muted ()
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{
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set_frame_color ();
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region_renamed ();
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}
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void
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RegionView::region_opacity ()
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{
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set_frame_color ();
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}
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void
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RegionView::raise ()
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{
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_region->raise ();
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}
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void
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RegionView::raise_to_top ()
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{
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_region->raise_to_top ();
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}
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void
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RegionView::lower ()
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{
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_region->lower ();
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}
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void
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RegionView::lower_to_bottom ()
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{
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_region->lower_to_bottom ();
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}
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bool
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RegionView::set_position (nframes_t pos, void* src, double* ignored)
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{
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double delta;
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bool ret;
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if (!(ret = TimeAxisViewItem::set_position (pos, this, &delta))) {
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return false;
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}
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if (ignored) {
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*ignored = delta;
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}
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if (delta) {
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for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
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(*i)->group->move (delta, 0.0);
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}
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}
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return ret;
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}
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void
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RegionView::set_samples_per_unit (gdouble spu)
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{
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TimeAxisViewItem::set_samples_per_unit (spu);
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for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
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(*i)->set_samples_per_unit (spu);
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(*i)->set_duration (_region->length() / samples_per_unit);
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}
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region_sync_changed ();
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}
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bool
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RegionView::set_duration (nframes_t frames, void *src)
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{
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if (!TimeAxisViewItem::set_duration (frames, src)) {
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return false;
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}
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for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
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(*i)->set_duration (_region->length() / samples_per_unit);
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}
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return true;
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}
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void
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RegionView::compute_colors (Gdk::Color& basic_color)
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{
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TimeAxisViewItem::compute_colors (basic_color);
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}
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void
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RegionView::set_colors ()
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{
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TimeAxisViewItem::set_colors ();
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if (sync_mark) {
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sync_mark->property_fill_color_rgba() = fill_color;
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}
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}
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void
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RegionView::set_frame_color ()
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{
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if (_region->opaque()) {
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fill_opacity = 230;
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} else {
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fill_opacity = 100;
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}
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TimeAxisViewItem::set_frame_color ();
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}
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void
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RegionView::hide_region_editor()
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{
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if (editor) {
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editor->hide_all ();
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}
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}
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void
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RegionView::region_renamed ()
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{
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string str;
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if (_region->locked()) {
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str += '>';
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str += _region->name();
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str += '<';
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} else {
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str = _region->name();
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}
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if (_region->speed_mismatch (trackview.session().frame_rate())) {
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str = string ("*") + str;
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}
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if (_region->muted()) {
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str = string ("!") + str;
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}
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set_item_name (str, this);
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set_name_text (str);
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reset_width_dependent_items (_pixel_width);
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}
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void
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RegionView::region_sync_changed ()
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{
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if (sync_mark == 0) {
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return;
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}
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int sync_dir;
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nframes_t sync_offset;
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sync_offset = _region->sync_offset (sync_dir);
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/* this has to handle both a genuine change of position, a change of samples_per_unit,
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and a change in the bounds of the _region->
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*/
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if (sync_offset == 0) {
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/* no sync mark - its the start of the region */
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sync_mark->hide();
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} else {
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if ((sync_dir < 0) || ((sync_dir > 0) && (sync_offset > _region->length()))) {
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/* no sync mark - its out of the bounds of the region */
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sync_mark->hide();
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} else {
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/* lets do it */
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Points points;
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//points = sync_mark->property_points().get_value();
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double offset = sync_offset / samples_per_unit;
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points.push_back (Gnome::Art::Point (offset - ((sync_mark_width-1)/2), 1));
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points.push_back (Gnome::Art::Point (offset + ((sync_mark_width-1)/2), 1));
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points.push_back (Gnome::Art::Point (offset, sync_mark_width - 1));
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points.push_back (Gnome::Art::Point (offset - ((sync_mark_width-1)/2), 1));
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sync_mark->property_points().set_value (points);
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sync_mark->show();
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}
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}
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}
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void
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RegionView::move (double x_delta, double y_delta)
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{
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if (_region->locked() || (x_delta == 0 && y_delta == 0)) {
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return;
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}
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get_canvas_group()->move (x_delta, y_delta);
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/* note: ghosts never leave their tracks so y_delta for them is always zero */
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for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
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(*i)->group->move (x_delta, 0.0);
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}
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}
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void
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RegionView::remove_ghost (GhostRegion* ghost)
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{
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if (in_destructor) {
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return;
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}
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for (vector<GhostRegion*>::iterator i = ghosts.begin(); i != ghosts.end(); ++i) {
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if (*i == ghost) {
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ghosts.erase (i);
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break;
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}
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}
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}
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uint32_t
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RegionView::get_fill_color ()
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{
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return fill_color;
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}
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