146 lines
3.9 KiB
C++
146 lines
3.9 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_actionzoompan.h"
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#include <QAction>
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#include <QMouseEvent>
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#include "rs_graphicview.h"
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#include "rs_dialogfactory.h"
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#include "rs_graphicview.h"
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#include "rs_commands.h"
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#include "rs_commandevent.h"
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#include "rs_debug.h"
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RS_ActionZoomPan::RS_ActionZoomPan(RS_EntityContainer& container,
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RS_GraphicView& graphicView)
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:RS_ActionInterface("Zoom Panning", container, graphicView) {}
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void RS_ActionZoomPan::init(int status) {
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RS_ActionInterface::init(status);
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snapMode.clear();
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snapMode.restriction = RS2::RestrictNothing;
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//v1 = v2 = RS_Vector(false);
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x1 = y1 = x2 = y2 = -1;
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//graphicView->saveView();
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setStatus(SetPanStart);
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updateMouseButtonHints();
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}
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void RS_ActionZoomPan::trigger() {
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/*if (v1.valid && v2.valid) {
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graphicView->zoomPan(v2-v1);
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v1 = v2;
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}*/
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if (getStatus()==SetPanning && (abs(x2-x1)>7 || abs(y2-y1)>7)) {
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graphicView->zoomPan(x2-x1, y2-y1);
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x1 = x2;
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y1 = y2;
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}
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if(getStatus()==SetPanEnd)
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{
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finish(false);
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graphicView->setPanning(false);
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graphicView->redraw();
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}
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}
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void RS_ActionZoomPan::mouseMoveEvent(QMouseEvent* e) {
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//v2 = snapPoint(e);
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x2 = e->x();
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y2 = e->y();
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//if (getStatus()==1 && graphicView->toGuiDX((v2-v1).magnitude())>10) {
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if (getStatus()==SetPanning ) {
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if (abs(x2-x1)>7 || abs(y2-y1)>7) {
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trigger();
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}
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}
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}
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void RS_ActionZoomPan::mousePressEvent(QMouseEvent* e) {
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if (e->button()==Qt::MiddleButton ||
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e->button()==Qt::LeftButton) {
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//v1 = snapPoint(e);
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x1 = e->x();
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y1 = e->y();
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setStatus(SetPanning);
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graphicView->setPanning(true);
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}
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}
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void RS_ActionZoomPan::mouseReleaseEvent(QMouseEvent* e) {
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switch (e->button()) {
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case Qt::MiddleButton:
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case Qt::RightButton:
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setStatus(SetPanEnd);
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break;
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default:
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setStatus(SetPanStart);
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}
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trigger();
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//RS_DEBUG->print("RS_ActionZoomPan::mousePressEvent(): %f %f", v1.x, v1.y);
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}
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void RS_ActionZoomPan::updateMouseButtonHints()
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{
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switch (getStatus()) {
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case SetPanStart:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Click and drag to pan zoom"),
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tr("Cancel"));
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break;
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case SetPanning:
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RS_DIALOGFACTORY->updateMouseWidget(tr("Zoom panning"),
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tr("Cancel"));
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break;
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default:
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RS_DIALOGFACTORY->updateMouseWidget();
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}
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}
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void RS_ActionZoomPan::updateMouseCursor() {
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switch (getStatus()){
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case SetPanStart:
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graphicView->setMouseCursor(RS2::OpenHandCursor);
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break;
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case SetPanning:
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graphicView->setMouseCursor(RS2::ClosedHandCursor);
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break;
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default:
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break;
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}
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}
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// EOF
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