ef65fd2510
git-svn-id: svn://localhost/ardour2/trunk@1855 d708f5d6-7413-0410-9779-e7cbd77b26cf
435 lines
11 KiB
C++
435 lines
11 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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*/
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#include <cmath>
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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/region.h>
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#include <ardour/source.h>
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#include <ardour/diskstream.h>
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#include <ardour/track.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 "canvas-waveview.h"
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#include "canvas-simplerect.h"
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#include "region_selection.h"
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#include "selection.h"
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#include "public_editor.h"
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#include "ardour_ui.h"
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#include "rgb_macros.h"
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#include "gui_thread.h"
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#include "utils.h"
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#include "color.h"
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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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StreamView::StreamView (RouteTimeAxisView& tv)
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: _trackview (tv)
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, canvas_group(new ArdourCanvas::Group(*_trackview.canvas_display))
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, canvas_rect(new ArdourCanvas::SimpleRect (*canvas_group))
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, _samples_per_unit(_trackview.editor.get_current_zoom())
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, rec_updating(false)
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, rec_active(false)
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, use_rec_regions(tv.editor.show_waveforms_recording())
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, region_color(_trackview.color())
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, stream_base_color(0xFFFFFFFF)
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, layers(1)
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, last_rec_data_frame(0)
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{
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/* set_position() will position the group */
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canvas_rect = new ArdourCanvas::SimpleRect (*canvas_group);
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canvas_rect->property_x1() = 0.0;
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canvas_rect->property_y1() = 0.0;
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canvas_rect->property_x2() = _trackview.editor.frame_to_pixel (max_frames);
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canvas_rect->property_y2() = (double) tv.height;
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canvas_rect->property_outline_what() = (guint32) (0x1|0x2|0x8); // outline ends and bottom
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// (Fill/Outline colours set in derived classes)
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canvas_rect->signal_event().connect (bind (mem_fun (_trackview.editor, &PublicEditor::canvas_stream_view_event), canvas_rect, &_trackview));
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if (_trackview.is_track()) {
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_trackview.track()->DiskstreamChanged.connect (mem_fun (*this, &StreamView::diskstream_changed));
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_trackview.session().TransportStateChange.connect (mem_fun (*this, &StreamView::transport_changed));
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_trackview.get_diskstream()->RecordEnableChanged.connect (mem_fun (*this, &StreamView::rec_enable_changed));
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_trackview.session().RecordStateChanged.connect (mem_fun (*this, &StreamView::sess_rec_enable_changed));
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}
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ColorChanged.connect (mem_fun (*this, &StreamView::color_handler));
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}
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StreamView::~StreamView ()
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{
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undisplay_diskstream ();
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delete canvas_group;
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}
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void
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StreamView::attach ()
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{
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if (_trackview.is_track()) {
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display_diskstream (_trackview.get_diskstream());
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}
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}
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int
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StreamView::set_position (gdouble x, gdouble y)
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{
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canvas_group->property_x() = x;
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canvas_group->property_y() = y;
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return 0;
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}
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int
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StreamView::set_height (double h)
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{
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/* limit the values to something sane-ish */
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if (h < 10.0 || h > 1000.0) {
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return -1;
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}
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if (canvas_rect->property_y2() == h) {
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return 0;
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}
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height = h;
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update_contents_y_position_and_height ();
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return 0;
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}
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int
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StreamView::set_samples_per_unit (gdouble spp)
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{
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RegionViewList::iterator i;
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if (spp < 1.0) {
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return -1;
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}
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_samples_per_unit = spp;
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for (i = region_views.begin(); i != region_views.end(); ++i) {
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(*i)->set_samples_per_unit (spp);
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}
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for (vector<RecBoxInfo>::iterator xi = rec_rects.begin(); xi != rec_rects.end(); ++xi) {
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RecBoxInfo &recbox = (*xi);
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gdouble xstart = _trackview.editor.frame_to_pixel ( recbox.start );
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gdouble xend = _trackview.editor.frame_to_pixel ( recbox.start + recbox.length );
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recbox.rectangle->property_x1() = xstart;
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recbox.rectangle->property_x2() = xend;
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}
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return 0;
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}
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void
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StreamView::add_region_view (boost::shared_ptr<Region> r)
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{
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add_region_view_internal (r, true);
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update_contents_y_position_and_height ();
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}
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void
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StreamView::remove_region_view (boost::weak_ptr<Region> weak_r)
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{
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ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::remove_region_view), weak_r));
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boost::shared_ptr<Region> r (weak_r.lock());
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if (!r) {
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return;
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}
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for (list<RegionView *>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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if (((*i)->region()) == r) {
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delete *i;
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region_views.erase (i);
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break;
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}
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}
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}
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void
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StreamView::undisplay_diskstream ()
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{
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for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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delete *i;
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}
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region_views.clear();
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}
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void
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StreamView::display_diskstream (boost::shared_ptr<Diskstream> ds)
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{
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playlist_change_connection.disconnect();
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playlist_changed (ds);
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playlist_change_connection = ds->PlaylistChanged.connect (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
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}
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void
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StreamView::playlist_modified_weak (boost::weak_ptr<Diskstream> ds)
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{
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boost::shared_ptr<Diskstream> sp (ds.lock());
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if (!sp) {
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return;
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}
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playlist_modified (sp);
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}
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void
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StreamView::playlist_modified (boost::shared_ptr<Diskstream> ds)
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{
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/* we do not allow shared_ptr<T> to be bound to slots */
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ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_modified_weak), ds));
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/* update layers count and the y positions and heights of our regions */
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layers = ds->playlist()->top_layer() + 1;
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update_contents_y_position_and_height ();
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redisplay_diskstream ();
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}
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void
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StreamView::playlist_changed (boost::shared_ptr<Diskstream> ds)
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{
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/* XXX: binding to a shared_ptr, is this ok? */
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ENSURE_GUI_THREAD (bind (mem_fun (*this, &StreamView::playlist_changed), ds));
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/* disconnect from old playlist */
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for (vector<sigc::connection>::iterator i = playlist_connections.begin(); i != playlist_connections.end(); ++i) {
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(*i).disconnect();
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}
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playlist_connections.clear();
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undisplay_diskstream ();
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/* draw it */
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redisplay_diskstream ();
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/* catch changes */
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playlist_connections.push_back (ds->playlist()->Modified.connect (bind (mem_fun (*this, &StreamView::playlist_modified_weak), ds)));
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/* update layers count and the y positions and heights of our regions */
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layers = ds->playlist()->top_layer() + 1;
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update_contents_y_position_and_height ();
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}
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void
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StreamView::diskstream_changed ()
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{
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Track *t;
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if ((t = _trackview.track()) != 0) {
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Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun (*this, &StreamView::display_diskstream), t->diskstream()));
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} else {
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Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::undisplay_diskstream));
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}
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}
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void
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StreamView::apply_color (Gdk::Color& color, ColorTarget target)
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{
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list<RegionView *>::iterator i;
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switch (target) {
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case RegionColor:
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region_color = color;
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for (i = region_views.begin(); i != region_views.end(); ++i) {
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(*i)->set_color (region_color);
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}
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break;
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case StreamBaseColor:
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stream_base_color = RGBA_TO_UINT (
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color.get_red_p(), color.get_green_p(), color.get_blue_p(), 255);
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canvas_rect->property_fill_color_rgba() = stream_base_color;
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break;
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}
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}
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void
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StreamView::region_layered (RegionView* rv)
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{
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rv->get_canvas_group()->lower_to_bottom();
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/* don't ever leave it at the bottom, since then it doesn't
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get events - the parent group does instead ...
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*/
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/* this used to be + 1, but regions to the left ended up below
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..something.. and couldn't receive events. why? good question.
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*/
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rv->get_canvas_group()->raise (rv->region()->layer() + 2);
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}
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void
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StreamView::rec_enable_changed ()
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{
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Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
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}
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void
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StreamView::sess_rec_enable_changed ()
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{
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Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
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}
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void
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StreamView::transport_changed()
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{
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Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &StreamView::setup_rec_box));
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}
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void
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StreamView::update_rec_box ()
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{
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if (rec_active && rec_rects.size() > 0) {
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/* only update the last box */
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RecBoxInfo & rect = rec_rects.back();
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nframes_t at = _trackview.get_diskstream()->current_capture_end();
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double xstart;
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double xend;
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switch (_trackview.track()->mode()) {
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case Normal:
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rect.length = at - rect.start;
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xstart = _trackview.editor.frame_to_pixel (rect.start);
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xend = _trackview.editor.frame_to_pixel (at);
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break;
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case Destructive:
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rect.length = 2;
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xstart = _trackview.editor.frame_to_pixel (_trackview.get_diskstream()->current_capture_start());
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xend = _trackview.editor.frame_to_pixel (at);
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break;
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}
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rect.rectangle->property_x1() = xstart;
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rect.rectangle->property_x2() = xend;
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}
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}
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RegionView*
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StreamView::find_view (boost::shared_ptr<const Region> region)
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{
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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if ((*i)->region() == region) {
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return *i;
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}
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}
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return 0;
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}
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void
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StreamView::foreach_regionview (sigc::slot<void,RegionView*> slot)
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{
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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slot (*i);
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}
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}
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void
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StreamView::set_selected_regionviews (RegionSelection& regions)
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{
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bool selected;
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// cerr << _trackview.name() << " (selected = " << regions.size() << ")" << endl;
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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selected = false;
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for (RegionSelection::iterator ii = regions.begin(); ii != regions.end(); ++ii) {
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if (*i == *ii) {
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selected = true;
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}
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}
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// cerr << "\tregion " << (*i)->region().name() << " selected = " << selected << endl;
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(*i)->set_selected (selected);
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}
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}
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void
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StreamView::get_selectables (nframes_t start, nframes_t end, list<Selectable*>& results)
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{
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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if ((*i)->region()->coverage(start, end) != OverlapNone) {
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results.push_back (*i);
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}
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}
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}
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void
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StreamView::get_inverted_selectables (Selection& sel, list<Selectable*>& results)
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{
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for (list<RegionView*>::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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if (!sel.regions.contains (*i)) {
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results.push_back (*i);
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}
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}
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}
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void
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StreamView::update_contents_y_position_and_height ()
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{
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canvas_rect->property_y2() = height;
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const double lh = height / layers;
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for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
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switch (layer_display) {
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case Overlaid:
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(*i)->set_y_position_and_height (0, height);
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break;
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case Stacked:
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double const y = (*i)->region()->layer() * lh;
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(*i)->set_y_position_and_height (y, lh);
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break;
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}
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}
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for (vector<RecBoxInfo>::iterator i = rec_rects.begin(); i != rec_rects.end(); ++i) {
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i->rectangle->property_y2() = height - 1.0;
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}
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}
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void
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StreamView::set_layer_display (LayerDisplay d)
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{
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layer_display = d;
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update_contents_y_position_and_height ();
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}
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