From 47d455dd55be855e4cc691c32f687f723d9247ee Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kpovmodeler/pmcontrolpoint.h | 190 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 190 insertions(+) create mode 100644 kpovmodeler/pmcontrolpoint.h (limited to 'kpovmodeler/pmcontrolpoint.h') diff --git a/kpovmodeler/pmcontrolpoint.h b/kpovmodeler/pmcontrolpoint.h new file mode 100644 index 00000000..8d3e9e66 --- /dev/null +++ b/kpovmodeler/pmcontrolpoint.h @@ -0,0 +1,190 @@ +//-*-C++-*- +/* +************************************************************************** + description + -------------------- + copyright : (C) 2000-2001 by Andreas Zehender + email : zehender@kde.org +************************************************************************** + +************************************************************************** +* * +* 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. * +* * +**************************************************************************/ + + +#ifndef PMCONTROLPOINT_H +#define PMCONTROLPOINT_H + +#ifdef HAVE_CONFIG_H +#include +#endif + +#include "pmvector.h" +#include +#include + +class KConfig; + +/** + * Interface between the graphical views and the PMObject. + * + * PMControlPoint is the interface between graphical view and PMObjects that + * can be changed graphically with the mouse. A @ref PMObject has a + * PMControlPoint for each changeable attribute. + * + * There is one subclass for each change behavior like 3dpoint, normal vector, + * radius, rotation ... + * + * Each control point has an id to be indentified by the PMObject. The id has + * to be unique within a PMObject. + */ + +class PMControlPoint +{ +public: + /** + * Creates a PMControlPoint with an id and a description. + */ + PMControlPoint( int id, const QString& description ); + /** + * Deletes the PMControlPoint + */ + virtual ~PMControlPoint( ); + + /** + * Starts a graphical change at 3d cursor position startPoint. viewNormal + * is the normal vector of the view + */ + void startChange( const PMVector& startPoint, const PMVector& viewNormal ); + /** + * Graphical change with 3d end cursor position endPoint + */ + void change( const PMVector& endPoint ); + /** + * Snaps the control point to the grid + */ + virtual void snapToGrid( ) = 0; + + /** + * 3d coordinates of the control point for rendering*/ + virtual PMVector position( ) const { return PMVector( ); } + /** + * Returns true if the point should be displayed (rendered) + */ + virtual bool display( ) const { return true; } + /** + * Returns the id of the control point + */ + int id( ) const { return m_id; } + /** + * Type of the control point + * + * CPPoint: The control point is displayed as point, the mouse cursor + * has to be over the control point to be active (e.g. 3DControlPoint) + * + * CPCross: The control point is displayed as cross, the control point + * can be changed with the mouse in the whole view (e.g. Translation) + */ + enum PMCPDisplayType { CPPoint = 0, CPCross = 1 }; + /** + * Returns the type of the control point (see @ref PMCPDisplayType) + */ + virtual PMCPDisplayType displayType( ) const { return CPPoint; }; + /** + * Returns the description + */ + QString description( ) const { return m_description; } + /** + * Selects/deselects the control point + */ + void setSelected( bool yes ) { m_bSelected = yes; } + /** + * Returns true if the control point is selected + */ + bool selected( ) const { return m_bSelected; } + + /** + * Returns true, if the control point was changed and sets the + * changed flag to false. + */ + bool changed( ); + + /** + * Returns true if an extra line should be displayed in addition to + * the view structure + */ + virtual bool hasExtraLine( ) const { return false; } + /** + * Returns the start point of the extra line + */ + virtual PMVector extraLineStart( ) const { return PMVector( 0, 0, 0 ); } + /** + * Returns the end point of the extra line + */ + virtual PMVector extraLineEnd( ) const { return PMVector( 0, 0, 0 ); } + + /** + * Returns the grid distance for 3d points, vectors and movements + */ + static double moveGrid( ) { return s_moveGrid; } + /** + * Sets the grid distance + */ + static void setMoveGrid( double d ); + /** + * Returns the grid distance rotations + */ + static double rotateGrid( ) { return s_rotateGrid; } + /** + * Sets the grid distance + */ + static void setRotateGrid( double d ); + /** + * Returns the grid distance for scales + */ + static double scaleGrid( ) { return s_scaleGrid; } + /** + * Sets the grid distance + */ + static void setScaleGrid( double d ); + + static void saveConfig( KConfig* cfg ); + static void restoreConfig( KConfig* cfg ); + +protected: + /** + * Called when a graphical change was started + */ + virtual void graphicalChangeStarted( ) = 0; + /** + * Called when the control point was changed + */ + virtual void graphicalChange( const PMVector& startPoint, + const PMVector& viewNormal, + const PMVector& endPoint ) = 0; + /** + * Sets the changed flag + */ + void setChanged( ) { m_bChanged = true; } +private: + int m_id; + PMVector m_startPoint; + PMVector m_normalVector; + bool m_bChanged; + bool m_bSelected; + QString m_description; + + static double s_moveGrid; + static double s_rotateGrid; + static double s_scaleGrid; +}; + +typedef QPtrList PMControlPointList; +typedef QPtrListIterator PMControlPointListIterator; + +#endif -- cgit v1.2.1