113 lines
2.6 KiB
C++
113 lines
2.6 KiB
C++
/****************************************************************************
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**
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** This file is part of the LibreCAD project, a 2D CAD program
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**
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file gpl-2.0.txt included in the
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** packaging of this file.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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** This copyright notice MUST APPEAR in all copies of the script!
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**
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**********************************************************************/
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#ifndef RS_CLIPBOARD_H
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#define RS_CLIPBOARD_H
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#include <iosfwd>
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#include "rs_graphic.h"
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#define RS_CLIPBOARD RS_Clipboard::instance()
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class RS_Block;
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class RS_Layer;
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class RS_Entity;
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/**
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* LibreCAD internal clipboard. We don't use the system clipboard for
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* better portaility.
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* Implemented as singleton.
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*
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* @author Andrew Mustun
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*/
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class RS_Clipboard {
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protected:
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RS_Clipboard() {
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}
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public:
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/**
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* @return Instance to the unique clipboard object.
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*/
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static RS_Clipboard* instance() {
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if (uniqueInstance==NULL) {
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uniqueInstance = new RS_Clipboard();
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}
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return uniqueInstance;
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}
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void clear();
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void addBlock(RS_Block* b);
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bool hasBlock(const QString& name);
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int countBlocks() {
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return graphic.countBlocks();
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}
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RS_Block* blockAt(int i) {
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return graphic.blockAt(i);
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}
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void addLayer(RS_Layer* l);
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bool hasLayer(const QString& name);
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int countLayers() {
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return graphic.countLayers();
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}
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RS_Layer* layerAt(int i) {
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return graphic.layerAt(i);
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}
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void addEntity(RS_Entity* e);
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unsigned count() {
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return graphic.count();
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}
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RS_Entity* entityAt(unsigned i) {
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return graphic.entityAt(i);
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}
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RS_Entity* firstEntity() {
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return graphic.firstEntity();
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}
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RS_Entity* nextEntity() {
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return graphic.nextEntity();
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}
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RS_Graphic* getGraphic() {
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return &graphic;
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}
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friend std::ostream& operator << (std::ostream& os, RS_Clipboard& cb);
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protected:
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static RS_Clipboard* uniqueInstance;
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RS_Graphic graphic;
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};
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#endif
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