You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
rosegarden/src/gui/editors/matrix/MatrixElement.h

136 lines
3.4 KiB

/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <richard.bown@ferventsoftware.com>
The moral rights of Guillaume Laurent, Chris Cannam, and Richard
Bown to claim authorship of this work have been asserted.
Other copyrights also apply to some parts of this work. Please
see the AUTHORS file and individual file headers for details.
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. See the file
COPYING included with this distribution for more information.
*/
#ifndef _RG_MATRIXELEMENT_H_
#define _RG_MATRIXELEMENT_H_
#include "base/ViewElement.h"
#include <tqbrush.h>
#include <tqcanvas.h>
#include "QCanvasMatrixRectangle.h"
class TQColor;
namespace Rosegarden
{
class Event;
class MatrixElement : public ViewElement
{
typedef std::vector <TQCanvasRectangle *> OverlapRectangles;
public:
MatrixElement(Event *event, bool drum);
virtual ~MatrixElement();
void setCanvas(TQCanvas* c);
/**
* Returns the actual x coordinate of the element on the canvas
*/
double getCanvasX() const { return m_canvasRect->x(); }
/**
* Returns the actual y coordinate of the element on the canvas
*/
double getCanvasY() const { return m_canvasRect->y(); }
double getCanvasZ() const { return m_canvasRect->z(); }
/**
* Sets the x coordinate of the element on the canvas
*/
void setCanvasX(double x) { m_canvasRect->setX(x); }
/**
* Sets the y coordinate of the element on the canvas
*/
void setCanvasY(double y) { m_canvasRect->setY(y); }
void setCanvasZ(double z) { m_canvasRect->setZ(z); }
/**
* Sets the width of the rectangle on the canvas
*/
void setWidth(int w) { m_canvasRect->setSize(w, m_canvasRect->height()); }
int getWidth() { return m_canvasRect->width(); }
/**
* Sets the height of the rectangle on the canvas
*/
void setHeight(int h) { m_canvasRect->setSize(m_canvasRect->width(), h); }
int getHeight() { return m_canvasRect->height(); }
/// Returns true if the wrapped event is a note
bool isNote() const;
/*
* Set the colour of the element
*/
void setColour(const TQColor &colour)
{ m_canvasRect->setBrush(TQBrush(colour)); }
/**
* Draws overlap rectangles (if any)
* (should not be called in drum mode)
*/
void drawOverlapRectangles();
/**
* Removes overlap rectangles if any
*/
void removeOverlapRectangles();
/**
* If element rectangle is currently visible gets its size and returns true.
* Returns false if element rectangle is undefined or not visible.
*/
bool getVisibleRectangle(TQRect &rectangle);
/**
* Redraw overlap rectangles of all matrix elements colliding with rect
*/
void redrawOverlaps(TQRect rect);
protected:
//--------------- Data members ---------------------------------
QCanvasMatrixRectangle *m_canvasRect;
OverlapRectangles *m_overlapRectangles;
};
typedef ViewElementList MatrixElementList;
}
#endif