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184 lines
4.5 KiB
184 lines
4.5 KiB
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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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_CONTROLRULER_H_
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#define _RG_CONTROLRULER_H_
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#include "base/Segment.h"
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#include "gui/general/RosegardenCanvasView.h"
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#include <tqcolor.h>
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#include <tqpoint.h>
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#include <tqstring.h>
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#include <utility>
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class TQWidget;
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class TQWheelEvent;
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class TQScrollBar;
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class TQPopupMenu;
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class TQMouseEvent;
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class TQContextMenuEvent;
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class TQCanvasRectangle;
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class TQCanvas;
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namespace Rosegarden
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{
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class ControlTool;
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class ControlSelector;
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class ControlItem;
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class TextFloat;
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class Segment;
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class RulerScale;
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class EventSelection;
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class EditViewBase;
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/**
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* ControlRuler : base class for Control Rulers
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*/
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class ControlRuler : public RosegardenCanvasView, public SegmentObserver
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{
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Q_OBJECT
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TQ_OBJECT
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friend class ControlItem;
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public:
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ControlRuler(Segment*,
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RulerScale*,
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EditViewBase* parentView,
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TQCanvas*,
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TQWidget* tqparent=0, const char* name=0, WFlags f=0);
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virtual ~ControlRuler();
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virtual TQString getName() = 0;
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int getMaxItemValue() { return m_maxItemValue; }
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void setMaxItemValue(int val) { m_maxItemValue = val; }
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void clear();
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void setControlTool(ControlTool*);
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int applyTool(double x, int val);
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TQCanvasRectangle* getSelectionRectangle() { return m_selectionRect; }
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RulerScale* getRulerScale() { return m_rulerScale; }
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// SegmentObserver interface
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virtual void segmentDeleted(const Segment *);
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static const int DefaultRulerHeight;
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static const int MinItemHeight;
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static const int MaxItemHeight;
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static const int ItemHeightRange;
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void flipForwards();
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void flipBackwards();
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void setMainHorizontalScrollBar(TQScrollBar* s ) { m_mainHorizontalScrollBar = s; }
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signals:
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void stateChange(const TQString&, bool);
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public slots:
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/// override RosegardenCanvasView - we don't want to change the main hscrollbar
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virtual void slotUpdate();
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virtual void slotUpdateElementsHPos();
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protected:
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virtual void contentsMousePressEvent(TQMouseEvent*);
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virtual void contentsMouseReleaseEvent(TQMouseEvent*);
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virtual void contentsMouseMoveEvent(TQMouseEvent*);
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virtual void contentsWheelEvent(TQWheelEvent*);
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virtual void contentsContextMenuEvent(TQContextMenuEvent*);
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virtual TQScrollBar* getMainHorizontalScrollBar();
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virtual void computeStaffOffset() {};
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virtual void layoutItem(ControlItem*);
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// Stacking of the SegmentItems on the canvas
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//
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std::pair<int, int> getZMinMax();
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virtual void init() = 0;
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virtual void drawBackground() = 0;
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int valueToHeight(long val);
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long heightToValue(int height);
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TQColor valueToColour(int max, int val);
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void clearSelectedItems();
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void updateSelection();
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void setMenuName(TQString menuName) { m_menuName = menuName; }
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void createMenu();
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//--------------- Data members ---------------------------------
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EditViewBase* m_parentEditView;
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TQScrollBar* m_mainHorizontalScrollBar;
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RulerScale* m_rulerScale;
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EventSelection* m_eventSelection;
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Segment* m_segment;
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ControlItem* m_currentItem;
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TQCanvasItemList m_selectedItems;
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ControlTool *m_tool;
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int m_maxItemValue;
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double m_staffOffset;
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double m_currentX;
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TQPoint m_lastEventPos;
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bool m_itemMoved;
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bool m_selecting;
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ControlSelector* m_selector;
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TQCanvasRectangle* m_selectionRect;
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TQString m_menuName;
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TQPopupMenu* m_menu;
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TextFloat *m_numberFloat;
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bool m_hposUpdatePending;
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};
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}
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#endif
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