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livetrax/gtk2_ardour/marker_view.cc

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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.
*/
#include <gtkmm.h>
#include "imageframe_time_axis.h"
#include "imageframe_view.h"
#include "canvas-simplerect.h"
#include "public_editor.h"
#include "marker_view.h"
using namespace ARDOUR ;
PBD::Signal1<void,MarkerView*> MarkerView::CatchDeletion
//---------------------------------------------------------------------------------------//
// Constructor / Desctructor
/**
* Constructs a new MarkerView
*
* @param parent the parent canvas item
* @param tv the parent TimeAxisView of this item
* @param tavi the TimeAxisViewItem that this item is to be assciated (marking) with
* @param spu the current samples per unit
* @param base_color
* @param mark_type the marker type/name text, eg fade out, pan up etc.
* @param mark_id unique name/id of this item
* @param start the start time of this item
* @param duration the duration of this item
*/
MarkerView::MarkerView(ArdourCanvas::Group *parent,
TimeAxisView* tv,
ImageFrameView* marked,
double spu,
Gdk::Color& basic_color,
std::string mark_type,
std::string mark_id,
nframes_t start,
nframes_t duration)
: TimeAxisViewItem(mark_id, *parent,*tv,spu,basic_color,start,duration)
{
mark_type_text = mark_type ;
marked_item = marked ;
// set the canvas item text to the marker type, not the id
set_name_text(mark_type_text) ;
// hook up our canvas events
if (frame_handle_start) {
frame_handle_start->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_markerview_start_handle_event), frame_handle_start, this));
frame_handle_end->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_markerview_end_handle_event), frame_handle_end, this));
}
group->signal_event().connect (sigc::bind (sigc::mem_fun (PublicEditor::instance(), &PublicEditor::canvas_markerview_item_view_event), group, this));
set_position(start, this) ;
set_duration(duration, this) ;
}
/**
* Destructor
* Destroys this Marker Item and removes the association between itself and the item it is marking.
*/
MarkerView::~MarkerView()
{
// remove the association our marked may still have to us
if(marked_item)
{
marked_item->remove_marker_view_item(this, this) ;
}
}
//---------------------------------------------------------------------------------------//
// Marker Type Methods
/**
* Sets the marker Type text of this this MarkerItem, eg fade_out, pan up etc.
*
* @param type_text the marker type text of this item
*/
void
MarkerView::set_mark_type_text(std::string type_text)
{
mark_type_text = type_text ;
MarkTypeChanged(mark_type_text, this) ; /* EMIT_SIGNAL */
}
/**
* Returns the marker Type of this this MarkerItem, eg fade_out, pan up etc.
*
* @return the marker type text of this item
*/
std::string
MarkerView::get_mark_type_text() const
{
return(mark_type_text) ;
}
//---------------------------------------------------------------------------------------//
// Marked Item Methods
ImageFrameView*
MarkerView::set_marked_item(ImageFrameView* item)
{
ImageFrameView* temp = marked_item ;
marked_item = item ;
MarkedItemChanged(marked_item, this) ; /* EMIT_SIGNAL */
return(temp) ;
}
ImageFrameView*
MarkerView::get_marked_item()
{
return(marked_item) ;
}