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livetrax/gtk2_ardour/marker_time_axis.h

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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
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 __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
*/
class MarkerTimeAxis : public VisualTimeAxis
{
public:
//---------------------------------------------------------------------------------------//
// 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 std::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() ;
private:
/**
* 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 */
TimeAxisView* marked_time_axis ;
/** Our time axis view helper */
MarkerTimeAxisView *view ;
/** the popup menu available by clicking upon this time axis */
Gtk::Menu *marker_menu ;
/** specialized sub menu available when clicking upon and item upon this time axis */
Gtk::Menu *marker_item_menu ;
} ; /* class MarkerTimeAxis */
#endif /* __ardour_imageframe_time_axis_h__ */