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/*
Copyright (C) 2001-2004 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.
$Id$
*/
#ifndef __gtk_ardour_region_view_h__
#define __gtk_ardour_region_view_h__
#include <vector>
#include <gtk--.h>
#include <gtk-canvas.h>
#include <sigc++/signal_system.h>
#include <ardour/region.h>
#include "time_axis_view_item.h"
#include "automation_line.h"
#include "enums.h"
#include "canvas-waveview.h"
namespace ARDOUR {
class AudioRegion;
class PeakData;
};
class AudioTimeAxisView;
class AudioRegionGainLine;
class AudioRegionEditor;
class GhostRegion;
class AutomationTimeAxisView;
class AudioRegionView : public TimeAxisViewItem
{
public:
AudioRegionView (GtkCanvasGroup *,
AudioTimeAxisView&,
ARDOUR::AudioRegion&,
double initial_samples_per_unit,
double amplitude_above_axis,
GdkColor& base_color,
bool wait_for_waves);
~AudioRegionView ();
ARDOUR::AudioRegion& region; // ok, let 'em have it
bool is_valid() const { return valid; }
void set_valid (bool yn) { valid = yn; }
std::string get_item_name();
void set_height (double);
void set_samples_per_unit (double);
bool set_duration (jack_nframes_t, void*);
void set_amplitude_above_axis (gdouble spp);
void move (double xdelta, double ydelta);
void raise ();
void raise_to_top ();
void lower ();
void lower_to_bottom ();
bool set_position(jack_nframes_t pos, void* src, double* delta = 0);
void temporarily_hide_envelope (); // dangerous
void unhide_envelope (); // dangerous
void set_envelope_visible (bool);
void set_waveform_visible (bool yn);
void set_waveform_shape (WaveformShape);
bool waveform_rectified() const { return _flags & WaveformRectified; }
bool waveform_visible() const { return _flags & WaveformVisible; }
bool envelope_visible() const { return _flags & EnvelopeVisible; }
void show_region_editor ();
void hide_region_editor();
void add_gain_point_event (GtkCanvasItem *item, GdkEvent *event);
void remove_gain_point_event (GtkCanvasItem *item, GdkEvent *event);
AudioRegionGainLine* get_gain_line() const { return gain_line; }
void region_changed (ARDOUR::Change);
void envelope_active_changed ();
static SigC::Signal1<void,AudioRegionView*> AudioRegionViewGoingAway;
SigC::Signal0<void> GoingAway;
GhostRegion* add_ghost (AutomationTimeAxisView&);
void remove_ghost (GhostRegion*);
void reset_fade_in_shape_width (jack_nframes_t);
void reset_fade_out_shape_width (jack_nframes_t);
void set_fade_in_active (bool);
void set_fade_out_active (bool);
uint32_t get_fill_color ();
virtual void entered ();
virtual void exited ();
private:
enum Flags {
EnvelopeVisible = 0x1,
WaveformVisible = 0x4,
WaveformRectified = 0x8
};
vector<GtkCanvasItem *> waves; /* waveviews */
vector<GtkCanvasItem *> tmp_waves; /* see ::create_waves()*/
GtkCanvasItem* sync_mark; /* polgyon for sync position */
GtkCanvasItem* no_wave_msg; /* text */
GtkCanvasItem* zero_line; /* simpleline */
GtkCanvasItem* fade_in_shape; /* polygon */
GtkCanvasItem* fade_out_shape; /* polygon */
GtkCanvasItem* fade_in_handle; /* simplerect */
GtkCanvasItem* fade_out_handle; /* simplerect */
AudioRegionGainLine* gain_line;
AudioRegionEditor *editor;
vector<ControlPoint *> control_points;
double _amplitude_above_axis;
double current_visible_sync_position;
uint32_t _flags;
uint32_t fade_color;
bool valid; /* see StreamView::redisplay_diskstream() */
double _pixel_width;
double _height;
bool in_destructor;
bool wait_for_waves;
void reset_fade_shapes ();
void reset_fade_in_shape ();
void reset_fade_out_shape ();
void fade_in_changed ();
void fade_out_changed ();
void fade_in_active_changed ();
void fade_out_active_changed ();
void region_resized (ARDOUR::Change);
void region_moved (void *);
void region_muted ();
void region_locked ();
void region_opacity ();
void region_layered ();
void region_renamed ();
void region_sync_changed ();
void region_scale_amplitude_changed ();
static gint _lock_toggle (GtkCanvasItem*, GdkEvent*, void*);
void lock_toggle ();
void create_waves ();
void create_one_wave (uint32_t, bool);
void manage_zero_line ();
void peaks_ready_handler (uint32_t);
void reset_name (gdouble width);
void set_flags (XMLNode *);
void store_flags ();
void set_colors ();
void compute_colors (GdkColor&);
void set_frame_color ();
void reset_width_dependent_items (double pixel_width);
void set_waveview_data_src();
vector<GtkCanvasWaveViewCache*> wave_caches;
vector<GhostRegion*> ghosts;
};
#endif /* __gtk_ardour_region_view_h__ */
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