Mostly Cosmetic/Design changes to bring trunk and midi branch closer

git-svn-id: svn://localhost/ardour2/branches/midi@733 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 140 insertions, 0 deletions

diff --git a/gtk2_ardour/region_view.h b/gtk2_ardour/region_view.h
new file mode 100644
index 0000000000..d2d2c22760
--- /dev/null
+++ b/gtk2_ardour/region_view.h
@@ -0,0 +1,140 @@
+/*
+    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__
+
+#include <vector>
+
+#include <libgnomecanvasmm.h>
+#include <libgnomecanvasmm/polygon.h>
+#include <sigc++/signal.h>
+#include <ardour/region.h>
+
+#include "time_axis_view_item.h"
+#include "automation_line.h"
+#include "enums.h"
+#include "waveview.h"
+#include "canvas.h"
+#include "color.h"
+
+class TimeAxisView;
+class RegionEditor;
+class GhostRegion;
+class AutomationTimeAxisView;
+
+class RegionView : public TimeAxisViewItem
+{
+  public:
+	RegionView (ArdourCanvas::Group* parent, 
+	            TimeAxisView&        time_view,
+	            ARDOUR::Region&      region,
+	            double               samples_per_unit,
+	            Gdk::Color&          basic_color);
+
+	~RegionView ();
+	
+	virtual void init (Gdk::Color& base_color, bool wait_for_data);
+    
+	ARDOUR::Region& region() const { return _region; }
+	
+	bool is_valid() const    { return valid; }
+    void set_valid (bool yn) { valid = yn; }
+
+    virtual void set_height (double) = 0;
+    virtual void set_samples_per_unit (double);
+    virtual bool set_duration (jack_nframes_t, void*);
+
+    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);
+
+    virtual void show_region_editor () = 0;
+    virtual void hide_region_editor();
+
+    virtual void region_changed (ARDOUR::Change);
+
+    virtual GhostRegion* add_ghost (AutomationTimeAxisView&) = 0;
+    void                 remove_ghost (GhostRegion*);
+
+    uint32_t get_fill_color ();
+
+    virtual void entered () {}
+    virtual void exited () {}
+    
+	static sigc::signal<void,RegionView*> RegionViewGoingAway;
+    sigc::signal<void>                    GoingAway;
+
+  protected:
+
+    /** Allows derived types to specify their visibility requirements
+     * to the TimeAxisViewItem parent class
+	 */
+    RegionView (ArdourCanvas::Group *, 
+	            TimeAxisView&,
+	            ARDOUR::Region&,
+	            double      samples_per_unit,
+	            Gdk::Color& basic_color,
+	            TimeAxisViewItem::Visibility);
+    
+	ARDOUR::Region& _region;
+    
+    ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position 
+    ArdourCanvas::Text*    no_wave_msg;
+
+    RegionEditor *editor;
+
+    vector<ControlPoint *> control_points;
+    double current_visible_sync_position;
+
+    bool     valid; ///< see StreamView::redisplay_diskstream() 
+    double  _pixel_width;
+    double  _height;
+    bool    in_destructor;
+
+    bool             wait_for_data;
+	sigc::connection data_ready_connection;
+
+    virtual void region_resized (ARDOUR::Change);
+    void         region_moved (void *);
+    virtual void region_muted ();
+    void         region_locked ();
+    void         region_opacity ();
+    void         region_layered ();
+    void         region_renamed ();
+    void         region_sync_changed ();
+
+    static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
+    void        lock_toggle ();
+
+    virtual void set_colors ();
+    virtual void compute_colors (Gdk::Color&);
+    virtual void set_frame_color ();
+    virtual void reset_width_dependent_items (double pixel_width);
+
+    vector<GhostRegion*> ghosts;
+    
+    virtual void color_handler (ColorID, uint32_t) {}
+};
+
+#endif /* __gtk_ardour_region_view_h__ */