130 lines
3.3 KiB
C++
130 lines
3.3 KiB
C++
/*
|
|
timeline-widget.hpp - Declaration of the timeline widget
|
|
|
|
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.
|
|
|
|
*/
|
|
/** @file timeline-widget.hpp
|
|
** This file contains the definition of timeline widget
|
|
*/
|
|
|
|
#ifndef TIMELINE_WIDGET_HPP
|
|
#define TIMELINE_WIDGET_HPP
|
|
|
|
#include "../gtk-lumiera.hpp"
|
|
#include "timeline/header-container.hpp"
|
|
#include "timeline/timeline-body.hpp"
|
|
#include "timeline/timeline-ruler.hpp"
|
|
#include "timeline/track.hpp"
|
|
#include "timeline/video-track.hpp"
|
|
|
|
namespace lumiera {
|
|
namespace gui {
|
|
namespace widgets {
|
|
|
|
class TimelineWidget : public Gtk::Table
|
|
{
|
|
public:
|
|
TimelineWidget();
|
|
|
|
~TimelineWidget();
|
|
|
|
/* ===== Data Access ===== */
|
|
public:
|
|
/**
|
|
* Gets the time offset. This is the time value displaid at the
|
|
* left-hand edge of the timeline body area.
|
|
*/
|
|
gavl_time_t get_time_offset() const;
|
|
|
|
/**
|
|
* Sets the time offset. This is the time value displaid at the
|
|
* left-hand edge of the timeline body area.
|
|
*/
|
|
void set_time_offset(gavl_time_t time_offset);
|
|
|
|
/**
|
|
* Gets the time scale value.
|
|
* @return The scale factor, which is the number of microseconds per
|
|
* screen pixel.
|
|
*/
|
|
int64_t get_time_scale() const;
|
|
|
|
/**
|
|
* Sets the time scale value.
|
|
* @param time_scale The scale factor, which is the number of
|
|
* microseconds per screen pixel. This value must be greater than
|
|
* zero
|
|
*/
|
|
void set_time_scale(int64_t time_scale);
|
|
|
|
/* ===== Events ===== */
|
|
protected:
|
|
void on_scroll();
|
|
|
|
void on_size_allocate(Gtk::Allocation& allocation);
|
|
|
|
/* ===== Internals ===== */
|
|
protected:
|
|
|
|
void update_tracks();
|
|
|
|
void update_scroll();
|
|
|
|
int get_y_scroll_offset() const;
|
|
|
|
/**
|
|
* Scrolls the view horizontally as a proportion of the view area.
|
|
* @param shift_size The size of the shift in 1/16ths of the view
|
|
* width.
|
|
**/
|
|
void shift_view(int shift_size);
|
|
|
|
protected:
|
|
int64_t timeScale;
|
|
gavl_time_t maxTime, minTime;
|
|
|
|
int totalHeight;
|
|
|
|
timeline::VideoTrack video1;
|
|
timeline::VideoTrack video2;
|
|
std::vector<timeline::Track*> tracks;
|
|
|
|
timeline::HeaderContainer *headerContainer;
|
|
timeline::TimelineBody *body;
|
|
timeline::TimelineRuler ruler;
|
|
|
|
Gtk::Adjustment horizontalAdjustment, verticalAdjustment;
|
|
Gtk::HScrollbar horizontalScroll;
|
|
Gtk::VScrollbar verticalScroll;
|
|
|
|
/* ===== Constants ===== */
|
|
protected:
|
|
static const int TrackPadding;
|
|
static const int HeaderWidth;
|
|
|
|
friend class timeline::TimelineBody;
|
|
friend class timeline::HeaderContainer;
|
|
};
|
|
|
|
} // namespace widgets
|
|
} // namespace gui
|
|
} // namespace lumiera
|
|
|
|
#endif // TIMELINE_WIDGET_HPP
|
|
|