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livetrax/gtk2_ardour/automation_streamview.cc
David Robillard 073a94350b Fix crash on dragging a region with a visible automation region that has no line.
git-svn-id: svn://localhost/ardour2/branches/3.0@3780 d708f5d6-7413-0410-9779-e7cbd77b26cf
2008-09-21 16:35:55 +00:00

223 lines
5.6 KiB
C++

/*
Copyright (C) 2001-2007 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.
*/
#include <cmath>
#include <cassert>
#include <utility>
#include <gtkmm.h>
#include <gtkmm2ext/gtk_ui.h>
#include <ardour/midi_playlist.h>
#include <ardour/midi_region.h>
#include <ardour/midi_source.h>
#include <ardour/midi_diskstream.h>
#include <ardour/midi_track.h>
#include <ardour/smf_source.h>
#include <ardour/region_factory.h>
#include "automation_streamview.h"
#include "region_view.h"
#include "automation_region_view.h"
#include "automation_time_axis.h"
#include "canvas-simplerect.h"
#include "region_selection.h"
#include "selection.h"
#include "public_editor.h"
#include "ardour_ui.h"
#include "rgb_macros.h"
#include "gui_thread.h"
#include "utils.h"
#include "simplerect.h"
#include "simpleline.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Editing;
AutomationStreamView::AutomationStreamView (AutomationTimeAxisView& tv)
: StreamView (*dynamic_cast<RouteTimeAxisView*>(tv.get_parent()),
new ArdourCanvas::Group(*tv.canvas_display))
, _controller(tv.controller())
, _automation_view(tv)
{
//canvas_rect->property_fill_color_rgba() = stream_base_color;
canvas_rect->property_outline_color_rgba() = RGBA_BLACK;
use_rec_regions = tv.editor.show_waveforms_recording ();
}
AutomationStreamView::~AutomationStreamView ()
{
}
RegionView*
AutomationStreamView::add_region_view_internal (boost::shared_ptr<Region> region, bool wfd, bool recording)
{
if ( ! region) {
cerr << "No region" << endl;
return NULL;
}
if (wfd) {
boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region);
if (mr)
mr->midi_source()->load_model();
}
const boost::shared_ptr<AutomationControl> control
= boost::dynamic_pointer_cast<AutomationControl>(
region->control(_controller->controllable()->parameter()));
boost::shared_ptr<AutomationList> list;
if (control) {
list = boost::dynamic_pointer_cast<AutomationList>(control->list());
assert(!control->list() || list);
}
AutomationRegionView *region_view;
std::list<RegionView *>::iterator i;
for (i = region_views.begin(); i != region_views.end(); ++i) {
if ((*i)->region() == region) {
/* great. we already have an AutomationRegionView for this Region. use it again. */
AutomationRegionView* arv = dynamic_cast<AutomationRegionView*>(*i);;
if (arv->line())
arv->line()->set_list (list);
(*i)->set_valid (true);
(*i)->enable_display(wfd);
display_region(arv);
return NULL;
}
}
region_view = new AutomationRegionView (canvas_group, _automation_view, region,
_controller->controllable()->parameter(), list,
_samples_per_unit, region_color);
region_view->init (region_color, false);
region_views.push_front (region_view);
/* follow global waveform setting */
if (wfd) {
region_view->enable_display(true);
//region_view->midi_region()->midi_source(0)->load_model();
}
display_region(region_view);
/* catch regionview going away */
region->GoingAway.connect (bind (mem_fun (*this, &AutomationStreamView::remove_region_view), region));
RegionViewAdded (region_view);
return region_view;
}
void
AutomationStreamView::display_region(AutomationRegionView* region_view)
{
region_view->line().reset();
}
void
AutomationStreamView::set_automation_state (AutoState state)
{
std::list<RegionView *>::iterator i;
for (i = region_views.begin(); i != region_views.end(); ++i) {
boost::shared_ptr<AutomationLine> line = ((AutomationRegionView*)(*i))->line();
if (line && line->the_list())
line->the_list()->set_automation_state (state);
}
}
void
AutomationStreamView::redisplay_diskstream ()
{
list<RegionView *>::iterator i, tmp;
for (i = region_views.begin(); i != region_views.end(); ++i)
(*i)->set_valid (false);
if (_trackview.is_track()) {
_trackview.get_diskstream()->playlist()->foreach_region (static_cast<StreamView*>(this), &StreamView::add_region_view);
}
for (i = region_views.begin(); i != region_views.end(); ) {
tmp = i;
tmp++;
if (!(*i)->is_valid()) {
delete *i;
region_views.erase (i);
} else {
(*i)->enable_display(true);
(*i)->set_height(height);
}
i = tmp;
}
/* now fix layering */
for (RegionViewList::iterator i = region_views.begin(); i != region_views.end(); ++i) {
region_layered (*i);
}
}
void
AutomationStreamView::setup_rec_box ()
{
}
void
AutomationStreamView::update_rec_regions (nframes_t start, nframes_t dur)
{
}
void
AutomationStreamView::rec_data_range_ready (jack_nframes_t start, jack_nframes_t dur)
{
// this is called from the butler thread for now
ENSURE_GUI_THREAD(bind (mem_fun (*this, &AutomationStreamView::rec_data_range_ready), start, dur));
this->update_rec_regions (start, dur);
}
void
AutomationStreamView::color_handler ()
{
/*if (_trackview.is_midi_track()) {
canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiTrackBase.get();
}
if (!_trackview.is_midi_track()) {
canvas_rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiBusBase.get();;
}*/
}