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livetrax/gtk2_ardour/region_view.h
2023-06-28 13:44:59 -06:00

261 lines
7.5 KiB
C++

/*
* Copyright (C) 2006-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2007-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2007-2019 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2015-2017 Nick Mainsbridge <mainsbridge@gmail.com>
* Copyright (C) 2016-2019 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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 "canvas/fwd.h"
#include "time_axis_view_item.h"
#include "automation_line.h"
#include "enums.h"
#include "marker.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,
const std::shared_ptr<ARDOUR::Region>& region,
double samples_per_pixel,
uint32_t base_color,
bool automation = false);
RegionView (const RegionView& other);
RegionView (const RegionView& other, const std::shared_ptr<ARDOUR::Region>& other_region);
~RegionView ();
virtual void set_selected (bool yn);
virtual void init (bool what_changed);
std::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 (Temporal::timecnt_t const &, void*);
void move (double xdelta, double ydelta);
void visual_layer_on_top();
void raise_to_top ();
void lower_to_bottom ();
bool set_position(Temporal::timepos_t const & pos, void* src, double* delta = 0);
virtual void show_region_editor ();
void hide_region_editor ();
virtual void region_changed (const PBD::PropertyChange&);
virtual GhostRegion* add_ghost (TimeAxisView&) = 0;
void remove_ghost_in (TimeAxisView&);
void remove_ghost (GhostRegion*);
virtual void entered () {}
virtual void exited () {}
bool display_enabled() const;
void redisplay (bool view_only = true) {
_redisplay (view_only);
}
virtual void tempo_map_changed () {
_redisplay (true);
}
struct DisplaySuspender {
DisplaySuspender (RegionView& rv, bool just_view = false) : region_view (rv), view_only (just_view) {
region_view.disable_display ();
}
DisplaySuspender (DisplaySuspender const & other) : region_view (other.region_view), view_only (other.view_only) {
region_view.disable_display ();
}
~DisplaySuspender () {
region_view.enable_display (view_only);
}
RegionView& region_view;
bool view_only;
};
virtual void update_coverage_frame (LayerDisplay);
static PBD::Signal1<void,RegionView*> RegionViewGoingAway;
/** Called when a front trim is about to begin */
virtual void trim_front_starting () {}
bool trim_front (Temporal::timepos_t const &, bool);
/** Called when a start trim has finished */
virtual void trim_front_ending () {}
bool trim_end (Temporal::timepos_t const &, bool);
void move_contents (Temporal::timecnt_t const &);
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();
}
};
Temporal::timecnt_t snap_region_time_to_region_time (Temporal::timecnt_t const &, bool ensure_snap = false) const;
void update_visibility ();
ARDOUR::CueMarker find_model_cue_marker (ArdourMarker*);
void drop_cue_marker (ArdourMarker*);
protected:
/** Allows derived types to specify their visibility requirements
* to the TimeAxisViewItem parent class
*/
RegionView (ArdourCanvas::Container *,
TimeAxisView&,
const std::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 () {}
virtual void parameter_changed (std::string const&);
void maybe_raise_cue_markers ();
Temporal::timecnt_t region_relative_distance (Temporal::timecnt_t const &, Temporal::TimeDomain desired_time_domain);
std::shared_ptr<ARDOUR::Region> _region;
ArdourCanvas::Polygon* sync_mark; ///< polygon for sync position
ArdourCanvas::Line* sync_line; ///< polygon for sync position
RegionEditor* editor;
std::vector<ControlPoint *> control_points;
double current_visible_sync_position;
bool valid; ///< see StreamView::redisplay_diskstream()
uint32_t _disable_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_frame;
/** 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_samples;
/** a text item to display strip silence statistics */
ArdourCanvas::Text* _silence_text;
private:
void update_xrun_markers ();
std::list<std::pair<samplepos_t, ArdourCanvas::Arrow*> > _xrun_markers;
bool _xrun_markers_visible;
void update_cue_markers ();
struct ViewCueMarker {
ArdourMarker* view_marker;
ARDOUR::CueMarker model_marker;
ViewCueMarker (ArdourMarker* m, ARDOUR::CueMarker const & c) : view_marker (m), model_marker (c) {}
~ViewCueMarker();
};
typedef std::list<ViewCueMarker*> ViewCueMarkers;
ViewCueMarkers _cue_markers;
bool _cue_markers_visible;
virtual void _redisplay (bool) = 0;
private:
friend struct DisplaySuspender;
void enable_display (bool view_only);
void disable_display();
};
#endif /* __gtk_ardour_region_view_h__ */