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livetrax/gtk2_ardour/region_view.h

195 lines
5.5 KiB
C++

/*
Copyright (C) 2001-2006 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.
*/
#ifndef __gtk_ardour_region_view_h__
#define __gtk_ardour_region_view_h__
#ifdef interface
#undef interface
#endif
#include <vector>
#include <sigc++/signal.h>
#include "ardour/region.h"
#include "ardour/beats_frames_converter.h"
#include "canvas/fwd.h"
#include "time_axis_view_item.h"
#include "automation_line.h"
#include "enums.h"
class TimeAxisView;
class RegionEditor;
class GhostRegion;
class AutomationTimeAxisView;
class AutomationRegionView;
namespace ArdourCanvas {
class Polygon;
class Text;
}
class RegionView : public TimeAxisViewItem
{
public:
RegionView (ArdourCanvas::Container* parent,
TimeAxisView& time_view,
boost::shared_ptr<ARDOUR::Region> region,
double samples_per_pixel,
uint32_t base_color,
bool automation = false);
RegionView (const RegionView& other);
RegionView (const RegionView& other, boost::shared_ptr<ARDOUR::Region> other_region);
~RegionView ();
virtual void init (bool wait_for_data);
boost::shared_ptr<ARDOUR::Region> region() const { return _region; }
bool is_valid() const { return valid; }
void set_valid (bool yn) { valid = yn; }
virtual void set_height (double);
virtual void set_samples_per_pixel (double);
virtual bool set_duration (framecnt_t, void*);
void move (double xdelta, double ydelta);
void raise_to_top ();
void lower_to_bottom ();
bool set_position(framepos_t pos, void* src, double* delta = 0);
virtual void show_region_editor ();
void hide_region_editor ();
virtual void region_changed (const PBD::PropertyChange&);
uint32_t get_fill_color () const;
virtual GhostRegion* add_ghost (TimeAxisView&) = 0;
void remove_ghost_in (TimeAxisView&);
void remove_ghost (GhostRegion*);
virtual void entered () {}
virtual void exited () {}
virtual void enable_display(bool yn) { _enable_display = yn; }
virtual void update_coverage_frames (LayerDisplay);
static PBD::Signal1<void,RegionView*> RegionViewGoingAway;
/** Called when a front trim is about to begin */
virtual void trim_front_starting () {}
bool trim_front (framepos_t, bool, const int32_t sub_num);
/** Called when a start trim has finished */
virtual void trim_front_ending () {}
bool trim_end (framepos_t, bool, const int32_t sub_num);
void move_contents (ARDOUR::frameoffset_t);
virtual void thaw_after_trim ();
void set_silent_frames (const ARDOUR::AudioIntervalResult&, double threshold);
void drop_silent_frames ();
void hide_silent_frames ();
struct PositionOrder {
bool operator()(const RegionView* a, const RegionView* b) {
return a->region()->position() < b->region()->position();
}
};
ARDOUR::MusicFrame snap_frame_to_frame (ARDOUR::frameoffset_t, bool ensure_snap = false) const;
protected:
/** Allows derived types to specify their visibility requirements
* to the TimeAxisViewItem parent class
*/
RegionView (ArdourCanvas::Container *,
TimeAxisView&,
boost::shared_ptr<ARDOUR::Region>,
double samples_per_pixel,
uint32_t basic_color,
bool recording,
TimeAxisViewItem::Visibility);
bool canvas_group_event (GdkEvent*);
virtual void region_resized (const PBD::PropertyChange&);
virtual void region_muted ();
void region_locked ();
void region_opacity ();
virtual void region_renamed ();
void region_sync_changed ();
std::string make_name () const;
static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
void lock_toggle ();
virtual void set_colors ();
virtual void set_sync_mark_color ();
virtual void reset_width_dependent_items (double pixel_width);
virtual void color_handler () {}
boost::shared_ptr<ARDOUR::Region> _region;
ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
ArdourCanvas::Line* sync_line; ///< polgyon for sync position
RegionEditor* editor;
std::vector<ControlPoint *> control_points;
double current_visible_sync_position;
bool valid; ///< see StreamView::redisplay_diskstream()
bool _enable_display; ///< see StreamView::redisplay_diskstream()
double _pixel_width;
bool in_destructor;
bool wait_for_data;
std::vector<GhostRegion*> ghosts;
/** a list of rectangles which are used in stacked display mode to colour
* different bits of regions according to whether or not they are the one
* that will be played at any given time.
*/
std::list<ArdourCanvas::Rectangle*> _coverage_frames;
/** a list of rectangles used to show silent segments
*/
std::list<ArdourCanvas::Rectangle*> _silent_frames;
/** a list of rectangles used to show the current silence threshold
*/
std::list<ArdourCanvas::Rectangle*> _silent_threshold_frames;
/** a text item to display strip silence statistics */
ArdourCanvas::Text* _silence_text;
};
#endif /* __gtk_ardour_region_view_h__ */