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136 lines
3.4 KiB
136 lines
3.4 KiB
/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* copyright (C) 2002-2007 *
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* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
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***************************************************************************/
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#ifndef SETLINEWIDGET_H
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#define SETLINEWIDGET_H
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#include <tqcanvas.h>
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class UMLView;
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class ObjectWidget;
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/**
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* @short Widget class for graphical representation of sequence lines
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* @author Paul Hensgen
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* Bugs and comments to uml-devel@lists.sf.net or http://bugs.trinitydesktop.org
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*/
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class SeqLineWidget : public TQCanvasLine {
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public:
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/**
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* Constructor.
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*/
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SeqLineWidget( UMLView * pView, ObjectWidget * pObject );
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/**
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* Destructor.
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*/
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~SeqLineWidget();
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/**
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* Return whether on seq. line.
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* Takes into account destruction box if shown.
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*
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* @param p The point to investigate.
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* @return Non-zero if point is on this sequence line.
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*/
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int onWidget(const TQPoint & p);
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/**
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* Clean up anything before deletion.
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*/
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void cleanup();
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/**
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* Set up destruction box.
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*/
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void setupDestructionBox();
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/**
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* Set the start point of the line.
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*
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* @param startX X coordinate of the start point.
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* @param startY Y coordinate of the start point.
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*/
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void setStartPoint( int startX, int startY );
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/**
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* Gets the length of the line.
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*
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* @return Length of the line.
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*/
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int getLineLength() {
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return m_nLengthY;
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}
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/**
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* Returns the @ref ObjectWidget associated with this sequence line.
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*
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* @return Pointer to the associated ObjectWidget.
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*/
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ObjectWidget * getObjectWidget() {
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return m_pObject;
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}
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/**
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* Sets the y position of the bottom of the vertical line.
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*
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* @param yPosition The y coordinate for the bottom of the line.
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*/
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void setEndOfLine(int yPosition);
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protected:
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/**
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* Clean up destruction box.
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*/
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void cleanupDestructionBox();
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/**
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* Move destruction box.
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*/
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void moveDestructionBox();
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/**
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* ObjectWidget associated with this sequence line.
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*/
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ObjectWidget * m_pObject;
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/**
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* View displayed on.
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*/
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UMLView * m_pView;
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/// The destruction box.
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struct DestructionBox {
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TQCanvasLine * line1;
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TQCanvasLine * line2;
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void setLine1Points(TQRect rect) {
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line1->setPoints( rect.x(), rect.y(),
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rect.x() + rect.width(), rect.y() + rect.height() );
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}
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void setLine2Points(TQRect rect) {
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line2->setPoints( rect.x(), rect.y() + rect.height(),
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rect.x() + rect.width(), rect.y() );
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}
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} m_DestructionBox;
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/**
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* The length of the line.
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*/
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int m_nLengthY;
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/**
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* Margin used for mouse clicks.
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*/
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static int const m_nMouseDownEpsilonX;
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};
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#endif
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