Initial import of gtk2_ardour.

git-svn-id: svn://localhost/trunk/ardour2@24 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 171 insertions, 0 deletions

diff --git a/gtk2_ardour/streamview.h b/gtk2_ardour/streamview.h
new file mode 100644
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+++ b/gtk2_ardour/streamview.h
@@ -0,0 +1,171 @@
+/*
+    Copyright (C) 2001 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 __ardour_streamview_h__
+#define __ardour_streamview_h__
+
+#include <list>
+#include <map>
+#include <cmath>
+
+#include <gtk--.h>
+#include <gtk-canvas.h>
+
+#include <ardour/location.h>
+#include "enums.h"
+
+namespace ARDOUR {
+	class Route;
+	class DiskStream;
+	class Crossfade;
+	class PeakData;
+	class AudioRegion;
+	class Source;
+}
+
+struct RecBoxInfo {
+	GtkCanvasItem* rectangle;
+	jack_nframes_t start;
+	jack_nframes_t length;
+};
+
+class PublicEditor;
+class Selectable;
+class AudioTimeAxisView;
+class AudioRegionView;
+class AudioRegionSelection;
+class CrossfadeView;
+class Selection;
+
+class StreamView : public SigC::Object
+{
+  public:
+	StreamView (AudioTimeAxisView&);
+	~StreamView ();
+
+	void set_waveform_shape (WaveformShape);
+
+	AudioTimeAxisView& trackview() { return _trackview; }
+
+	void set_zoom_all();
+
+	int set_height (gdouble);
+	int set_position (gdouble x, gdouble y);
+
+	int set_samples_per_unit (gdouble spp);
+	gdouble get_samples_per_unit () { return _samples_per_unit; }
+
+	int set_amplitude_above_axis (gdouble app);
+	gdouble get_amplitude_above_axis () { return _amplitude_above_axis; }
+
+	void set_show_waveforms (bool yn);
+	void set_show_waveforms_recording (bool yn) { use_rec_regions = yn; }
+
+	GtkCanvasItem* canvas_item() { return canvas_group; }
+
+	SigC::Signal1<void,AudioRegionView*> AudioRegionViewAdded;
+
+	enum ColorTarget {
+		RegionColor,
+		StreamBaseColor
+	};
+
+	void apply_color (GdkColor&, ColorTarget t);
+	void set_selected_regionviews (AudioRegionSelection&);
+	void get_selectables (jack_nframes_t start, jack_nframes_t end, list<Selectable* >&);
+	void get_inverted_selectables (Selection&, list<Selectable* >& results);
+	GdkColor get_region_color () const { return region_color; }
+
+	void foreach_regionview (SigC::Slot1<void,AudioRegionView*> slot);
+	void foreach_crossfadeview (void (CrossfadeView::*pmf)(void));
+
+	void attach ();
+	
+	void region_layered (AudioRegionView*);
+	
+	AudioRegionView* find_view (const ARDOUR::AudioRegion&);
+
+	void show_all_xfades ();
+	void hide_all_xfades ();
+	void hide_xfades_involving (AudioRegionView&);
+	void reveal_xfades_involving (AudioRegionView&);
+
+  private:
+	AudioTimeAxisView& _trackview;
+
+	GtkCanvasItem* canvas_group;
+	GtkCanvasItem* canvas_rect; /* frame around the whole thing */
+
+	typedef list<AudioRegionView* > AudioRegionViewList;
+	AudioRegionViewList region_views;
+
+	typedef list<CrossfadeView*> CrossfadeViewList;
+	CrossfadeViewList crossfade_views;
+
+	double _samples_per_unit;
+	double _amplitude_above_axis;
+
+	SigC::Connection screen_update_connection;
+	vector<RecBoxInfo> rec_rects;
+	list<ARDOUR::AudioRegion* > rec_regions;
+	bool rec_updating;
+	bool rec_active;
+	bool use_rec_regions;
+	list<SigC::Connection> peak_ready_connections;
+	jack_nframes_t last_rec_peak_frame;
+	map<ARDOUR::Source*, bool> rec_peak_ready_map;
+	
+	void update_rec_box ();
+	void transport_changed();
+	void rec_enable_changed(void*  src = 0);
+	void sess_rec_enable_changed();
+	void setup_rec_box ();
+	void rec_peak_range_ready (jack_nframes_t start, jack_nframes_t cnt, ARDOUR::Source* src); 
+	void update_rec_regions ();
+	
+	void add_region_view (ARDOUR::Region*);
+	void add_region_view_internal (ARDOUR::Region*, bool wait_for_waves);
+	void remove_region_view (ARDOUR::Region* );
+	void remove_rec_region (ARDOUR::Region*);
+	void remove_audio_region_view (ARDOUR::AudioRegion* );
+	void remove_audio_rec_region (ARDOUR::AudioRegion*);
+
+	void display_diskstream (ARDOUR::DiskStream* );
+	void undisplay_diskstream ();
+	void redisplay_diskstream ();
+	void diskstream_changed (void* );
+	void playlist_state_changed (ARDOUR::Change);
+	void playlist_changed (ARDOUR::DiskStream* );
+	void playlist_modified ();
+
+	bool crossfades_visible;
+	void add_crossfade (ARDOUR::Crossfade*);
+	void remove_crossfade (ARDOUR::Crossfade*);
+
+	/* XXX why are these different? */
+	
+	GdkColor region_color;
+	uint32_t stream_base_color;
+
+	vector<SigC::Connection> playlist_connections;
+	SigC::Connection playlist_change_connection;
+};
+
+#endif /* __ardour_streamview_h__ */