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    Copyright (C) 2003 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
    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 __ardour_marker_time_axis_h__
#define __ardour_marker_time_axis_h__

#include <string>
#include <libgnomecanvas/libgnomecanvas.h>

#include "ardour_dialog.h"
#include "route_ui.h"
#include "enums.h"
#include "time_axis_view.h"
#include "canvas.h"
#include "visual_time_axis.h"

namespace ARDOUR {
      class Session;
namespace ARDOUR {
      class Menu;

class PublicEditor;
class ImageFrameView ;
class ImageFrameTimeAxisView ;
class MarkerTimeAxisView ;
class MarkerView ;

 * MarkerTimeAxis defines a visual time axis for holding marker items associated with other time axis, and time axis items.
 * The intention of this time axis is to allow markers with duration to be arranged on the time line
 * to add additional timing information to items on an associated time axis, for instance the addition
 * of effect duration and timings
00053 class MarkerTimeAxis : public VisualTimeAxis
            // Constructor / Desctructor
             * Constructs a new MarkerTimeAxis
             * @param ed the PublicEditor
             * @param sess the current session
             * @param canvas the parent canvas item
             * @param name the name/id of this time axis
             * @param tav the associated track view that this MarkerTimeAxis is marking up
            MarkerTimeAxis(PublicEditor& ed, ARDOUR::Session& sess, ArdourCanvas::Canvas& canvas, const string & name, TimeAxisView* tav) ;
             * Destructor
             * Responsible for destroying any marker items upon this time axis
            virtual ~MarkerTimeAxis() ;
            // ui methods & data
             * Sets the height of this TrackView to one of the defined TrackHeights
             * @param h the number of pixels to set the height to
            virtual void set_height(uint32_t h) ;
             * Sets the number of samples per unit that are used.
             * This is used to determine the sizes of items upon this time axis
             * @param spu the number of samples per unit
            virtual void set_samples_per_unit(double spu) ;
             * Show the popup edit menu
             * @param button the mouse button pressed
             * @param time when to show the popup
             * @param clicked_mv the MarkerView that the event ocured upon, or 0 if none
             * @param with_item true if an item has been selected upon the time axis, used to set context menu
            void popup_marker_time_axis_edit_menu(int button, int32_t time, MarkerView* clicked_mv, bool with_item) ;
            // Parent/Child helper object accessors

             * Returns the view helper of this TimeAxis
             * @return the view helper of this TimeAxis
            MarkerTimeAxisView* get_view() ;
             * Returns the TimeAxisView that this markerTimeAxis is marking up
             * @return the TimeAXisView that this MarkerTimeAxis is marking
            TimeAxisView* get_marked_time_axis() ;

             * convenience method to select a new track color and apply it to the view and view items
            void select_track_color() ;
             * Handles the building of the popup menu
            virtual void build_display_menu() ;
             * handles the building of the MarkerView sub menu
            void build_marker_menu() ;

            /** The associated TimeAxis that this MarkerTimeAxis is marking up */
00144             TimeAxisView* marked_time_axis ;
            /** Our time axis view helper */
00147             MarkerTimeAxisView *view ;

            /** the popup menu available by clicking upon this time axis */         
00150             Gtk::Menu *marker_menu ;
            /** specialized sub menu available when clicking upon and item upon this time axis */
00153             Gtk::Menu *marker_item_menu ;
} ; /* class MarkerTimeAxis */

#endif /* __ardour_imageframe_time_axis_h__ */

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