
/*
 * CINELERRA
 * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
 * 
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 */

#include "canvastools.h"
#include "mwindowgui.h"
#include "trackcanvas.h"



CanvasTool::CanvasTool(MWindow *mwindow, 
		TrackCanvas *trackcanvas,
		Edit *edit,
		int x,
		int y,
		VFrame **data)
 : BC_Button(x, y, data)
{
	this->mwindow = mwindow;
	this->trackcanvas = trackcanvas;
	this->edit = edit;
	visible = 1;
}

CanvasTool::~CanvasTool()
{
}




CanvasTools::CanvasTools(MWindow *mwindow,
		TrackCanvas *trackcanvas)
 : ArrayList<CanvasTool*>()
{
	this->mwindow = mwindow;
	this->trackcanvas = trackcanvas;
}

CanvasTools::~CanvasTools()
{
	remove_all_objects();
}

void CanvasTools::decrease_visible()
{
	for(int i = 0; i < total; i++)
		values[i]->visible--;
}

void CanvasTools::delete_invisible()
{
	for(int i = total - 1; i >= 0; i--)
		if(values[i]->visible < 1)
		{
			delete values[i];
			remove(values[i]);
		}	
}

// Region is visible on track canvas
int CanvasTools::visible(int x, int y, int w, int h)
{
	return MWindowGUI::visible(x, x + w, 0, trackcanvas->get_w()) &&
		MWindowGUI::visible(y, y + h, 0, trackcanvas->get_h());
}
