131 lines
3.5 KiB
C++
131 lines
3.5 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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#include "rs_previewactioninterface.h"
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#include "rs_graphicview.h"
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#include "rs_preview.h"
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#include "rs_debug.h"
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/**
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* Constructor.
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*
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* Sets the entity container on which the action class inherited
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* from this interface operates.
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*/
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RS_PreviewActionInterface::RS_PreviewActionInterface(const char* name,
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RS_EntityContainer& container,
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RS_GraphicView& graphicView) :
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RS_ActionInterface(name, container, graphicView)
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,preview(new RS_Preview(&container))
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// ,offset(new RS_Vector{})
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{
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RS_DEBUG->print("RS_PreviewActionInterface::RS_PreviewActionInterface: Setting up action with preview: \"%s\"", name);
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// preview is linked to the container for getting access to
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// document settings / dictionary variables
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preview->setLayer(NULL);
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hasPreview = true;
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RS_DEBUG->print("RS_PreviewActionInterface::RS_PreviewActionInterface: Setting up action with preview: \"%s\": OK", name);
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}
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/** Destructor */
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RS_PreviewActionInterface::~RS_PreviewActionInterface() {
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deletePreview();
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}
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void RS_PreviewActionInterface::init(int status) {
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deletePreview();
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RS_ActionInterface::init(status);
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}
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void RS_PreviewActionInterface::finish(bool updateTB) {
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deletePreview();
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RS_ActionInterface::finish(updateTB);
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}
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void RS_PreviewActionInterface::suspend() {
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RS_ActionInterface::suspend();
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deletePreview();
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}
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void RS_PreviewActionInterface::resume() {
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RS_ActionInterface::resume();
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drawPreview();
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}
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void RS_PreviewActionInterface::trigger() {
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RS_ActionInterface::trigger();
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deletePreview();
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}
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/**
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* Deletes the preview from the screen.
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*/
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void RS_PreviewActionInterface::deletePreview() {
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if (hasPreview){
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//avoid deleting NULL or empty preview
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preview->clear();
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hasPreview=false;
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}
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if(!graphicView->isCleanUp()){
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graphicView->getOverlayContainer(RS2::ActionPreviewEntity)->clear();
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}
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}
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/**
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* Draws / deletes the current preview.
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*/
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void RS_PreviewActionInterface::drawPreview() {
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// RVT_PORT How does offset work?? painter->setOffset(offset);
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RS_EntityContainer *container=graphicView->getOverlayContainer(RS2::ActionPreviewEntity);
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container->clear();
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container->setOwner(false); // Little hack for now so we don't delete the preview twice
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container->addEntity(preview.get());
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graphicView->redraw(RS2::RedrawOverlay);
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hasPreview=true;
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}
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