158 lines
3.2 KiB
C++
158 lines
3.2 KiB
C++
/*
|
|
timeline-state.cpp - Implementation of the timeline state object
|
|
|
|
Copyright (C) Lumiera.org
|
|
2008, Joel Holdsworth <joel@airwebreathe.org.uk>
|
|
|
|
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 "timeline-state.hpp"
|
|
|
|
using namespace boost;
|
|
using namespace Gtk;
|
|
using namespace sigc;
|
|
using namespace lumiera;
|
|
|
|
namespace gui {
|
|
namespace widgets {
|
|
namespace timeline {
|
|
|
|
TimelineState::TimelineState(
|
|
boost::shared_ptr<model::Sequence> source_sequence) :
|
|
sequence(source_sequence),
|
|
viewWindow(Time(0), 1),
|
|
selectionStart(0),
|
|
selectionEnd(0),
|
|
playbackPeriodStart(0),
|
|
playbackPeriodEnd(0),
|
|
playbackPoint(Time(GAVL_TIME_UNDEFINED))
|
|
{
|
|
REQUIRE(sequence);
|
|
|
|
viewWindow.set_time_scale(GAVL_TIME_SCALE / 200);
|
|
set_selection(Time(2000000), Time(4000000));
|
|
}
|
|
|
|
boost::shared_ptr<model::Sequence>
|
|
TimelineState::get_sequence() const
|
|
{
|
|
return sequence;
|
|
}
|
|
|
|
TimelineViewWindow&
|
|
TimelineState::get_view_window()
|
|
{
|
|
return viewWindow;
|
|
}
|
|
|
|
Time
|
|
TimelineState::get_selection_start() const
|
|
{
|
|
return selectionStart;
|
|
}
|
|
|
|
Time
|
|
TimelineState::get_selection_end() const
|
|
{
|
|
return selectionEnd;
|
|
}
|
|
|
|
void
|
|
TimelineState::set_selection(Time start, Time end,
|
|
bool reset_playback_period)
|
|
{
|
|
if(start < end)
|
|
{
|
|
selectionStart = start;
|
|
selectionEnd = end;
|
|
}
|
|
else
|
|
{
|
|
// The selection is back-to-front, flip it round
|
|
selectionStart = end;
|
|
selectionEnd = start;
|
|
}
|
|
|
|
if(reset_playback_period)
|
|
{
|
|
playbackPeriodStart = selectionStart;
|
|
playbackPeriodEnd = selectionEnd;
|
|
}
|
|
|
|
selectionChangedSignal.emit();
|
|
}
|
|
|
|
Time
|
|
TimelineState::get_playback_period_start() const
|
|
{
|
|
return playbackPeriodStart;
|
|
}
|
|
|
|
Time
|
|
TimelineState::get_playback_period_end() const
|
|
{
|
|
return playbackPeriodEnd;
|
|
}
|
|
|
|
void
|
|
TimelineState::set_playback_period(Time start, Time end)
|
|
{
|
|
|
|
if(start < end)
|
|
{
|
|
playbackPeriodStart = start;
|
|
playbackPeriodEnd = end;
|
|
}
|
|
else
|
|
{
|
|
// The period is back-to-front, flip it round
|
|
playbackPeriodStart = end;
|
|
playbackPeriodEnd = start;
|
|
}
|
|
|
|
playbackChangedSignal.emit();
|
|
}
|
|
|
|
void
|
|
TimelineState::set_playback_point(Time point)
|
|
{
|
|
playbackPoint = point;
|
|
playbackChangedSignal.emit();
|
|
}
|
|
|
|
Time
|
|
TimelineState::get_playback_point() const
|
|
{
|
|
return playbackPoint;
|
|
}
|
|
|
|
sigc::signal<void>
|
|
TimelineState::selection_changed_signal() const
|
|
{
|
|
return selectionChangedSignal;
|
|
}
|
|
|
|
sigc::signal<void>
|
|
TimelineState::playback_changed_signal() const
|
|
{
|
|
return playbackChangedSignal;
|
|
}
|
|
|
|
} // namespace timeline
|
|
} // namespace widgets
|
|
} // namespace gui
|
|
|