137 lines
4.0 KiB
C++
137 lines
4.0 KiB
C++
/*
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Copyright (C) 2003 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __gtk_ardour_marker_view_h__
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#define __gtk_ardour_marker_view_h__
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#include <string>
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#include "time_axis_view_item.h"
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#include "canvas.h"
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namespace Gdk {
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class Color;
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}
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class MarkerTimeAxisView ;
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class ImageFrameView ;
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/**
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* MarkerView defines a marker item that may be placed upon a MarkerTimeAxis.
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*
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* The aim of the MarkerView is to provide additional timing details for visual based time axis.
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* The MarkerView item is associated with one other TimeAxisViewItem and has a start and a duration.
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*/
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class MarkerView : public TimeAxisViewItem
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{
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public:
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//---------------------------------------------------------------------------------------//
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// Constructor / Desctructor
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/**
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* Constructs a new MarkerView
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*
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* @param parent the parent canvas item
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* @param tv the parent TimeAxisView of this item
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* @param marked the Item that this item is to be assciated (marking) with
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* @param spu the current samples per unit
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* @param base_color
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* @param mark_type the marker type/name text, eg fade out, pan up etc.
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* @param mark_id unique name/id of this item
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* @param start the start time of this item
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* @param duration the duration of this item
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*/
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MarkerView(ArdourCanvas::Group *parent,
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TimeAxisView *tv,
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ImageFrameView* marked,
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double spu,
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Gdk::Color& base_color,
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std::string mark_type,
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std::string mark_id,
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nframes_t start,
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nframes_t duration) ;
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/**
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* Destructor
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* Destroys this Marker Item and removes the association between itself and the item it is marking.
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*/
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~MarkerView() ;
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static sigc::signal<void,MarkerView*> GoingAway;
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//---------------------------------------------------------------------------------------//
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// Marker Type Methods
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/**
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* Sets the marker Type text of this this MarkerItem, eg fade_out, pan up etc.
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*
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* @param type_text the marker type text of this item
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*/
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void set_mark_type_text(std::string type_text) ;
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/**
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* Returns the marker Type of this this MarkerItem, eg fade_out, pan up etc.
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*
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* @return the marker type text of this item
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*/
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std::string get_mark_type_text() const ;
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//---------------------------------------------------------------------------------------//
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// Marked Item Methods
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/**
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* Returns the time axis item being marked by this item
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*
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* @return the time axis item being marked by this item
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*/
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ImageFrameView* get_marked_item() ;
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/**
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* Sets the time axis item being marker by this item
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*
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* @param item the time axis item to be marked by this item
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* @return the previously marked item, or 0 if no previous marked item exists
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*/
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ImageFrameView* set_marked_item(ImageFrameView* item) ;
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//---------------------------------------------------------------------------------//
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// Emitted Signals
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/** Emitted when the mark type text is changed */
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sigc::signal<void,std::string,void*> MarkTypeChanged ;
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/** Emitted when the Marked Item is changed */
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sigc::signal<void,ImageFrameView*,void*> MarkedItemChanged ;
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protected:
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private:
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/** the unique name/id of this item */
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std::string mark_type_text ;
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/* a pointer to the time axis item this marker is assoiated(marking up) with */
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ImageFrameView* marked_item ;
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} ; /* class MarkerView */
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#endif /* __gtk_ardour_imageframe_view_h__ */
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