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136 lines
3.4 KiB
136 lines
3.4 KiB
/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#ifndef _RG_MATRIXELEMENT_H_
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#define _RG_MATRIXELEMENT_H_
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#include "base/ViewElement.h"
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#include <tqbrush.h>
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#include <tqcanvas.h>
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#include "QCanvasMatrixRectangle.h"
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class TQColor;
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namespace Rosegarden
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{
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class Event;
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class MatrixElement : public ViewElement
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{
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typedef std::vector <TQCanvasRectangle *> OverlapRectangles;
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public:
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MatrixElement(Event *event, bool drum);
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virtual ~MatrixElement();
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void setCanvas(TQCanvas* c);
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/**
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* Returns the actual x coordinate of the element on the canvas
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*/
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double getCanvasX() const { return m_canvasRect->x(); }
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/**
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* Returns the actual y coordinate of the element on the canvas
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*/
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double getCanvasY() const { return m_canvasRect->y(); }
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double getCanvasZ() const { return m_canvasRect->z(); }
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/**
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* Sets the x coordinate of the element on the canvas
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*/
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void setCanvasX(double x) { m_canvasRect->setX(x); }
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/**
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* Sets the y coordinate of the element on the canvas
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*/
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void setCanvasY(double y) { m_canvasRect->setY(y); }
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void setCanvasZ(double z) { m_canvasRect->setZ(z); }
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/**
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* Sets the width of the rectangle on the canvas
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*/
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void setWidth(int w) { m_canvasRect->setSize(w, m_canvasRect->height()); }
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int getWidth() { return m_canvasRect->width(); }
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/**
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* Sets the height of the rectangle on the canvas
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*/
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void setHeight(int h) { m_canvasRect->setSize(m_canvasRect->width(), h); }
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int getHeight() { return m_canvasRect->height(); }
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/// Returns true if the wrapped event is a note
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bool isNote() const;
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/*
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* Set the colour of the element
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*/
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void setColour(const TQColor &colour)
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{ m_canvasRect->setBrush(TQBrush(colour)); }
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/**
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* Draws overlap rectangles (if any)
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* (should not be called in drum mode)
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*/
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void drawOverlapRectangles();
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/**
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* Removes overlap rectangles if any
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*/
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void removeOverlapRectangles();
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/**
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* If element rectangle is currently visible gets its size and returns true.
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* Returns false if element rectangle is undefined or not visible.
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*/
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bool getVisibleRectangle(TQRect &rectangle);
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/**
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* Redraw overlap rectangles of all matrix elements colliding with rect
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*/
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void redrawOverlaps(TQRect rect);
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protected:
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//--------------- Data members ---------------------------------
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QCanvasMatrixRectangle *m_canvasRect;
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OverlapRectangles *m_overlapRectangles;
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};
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typedef ViewElementList MatrixElementList;
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}
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#endif
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