364 lines
11 KiB
C++
364 lines
11 KiB
C++
/* This file is part of Mapnik (c++ mapping toolkit)
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* Copyright (C) 2006 Artem Pavlenko
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*
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* Mapnik is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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//$Id$
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// stl
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#include <iostream>
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// qt
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#include <QtGui>
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#include <QSplitter>
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#include <QTreeView>
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#include <QListView>
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#include <QTabWidget>
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#include <QList>
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#include <QItemDelegate>
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#include <QSlider>
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// mapnik
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#include <mapnik/load_map.hpp>
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#include "mainwindow.hpp"
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#include "layerlistmodel.hpp"
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#include "styles_model.hpp"
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#include "layerwidget.hpp"
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#include "layerdelegate.hpp"
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#include "about_dialog.hpp"
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MainWindow::MainWindow()
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: filename_(),
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default_extent_(-20037508.3428,-20037508.3428,20037508.3428,20037508.3428)
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{
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mapWidget_ = new MapWidget(this);
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QSplitter *splitter = new QSplitter(this);
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QTabWidget *tabWidget=new QTabWidget;
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layerTab_ = new LayerTab;
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layerTab_->setFocusPolicy(Qt::NoFocus);
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layerTab_->setIconSize(QSize(16,16));
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//LayerDelegate *delegate = new LayerDelegate(this);
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//layerTab_->setItemDelegate(delegate);
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//layerTab_->setItemDelegate(new QItemDelegate(this));
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//layerTab_->setViewMode(QListView::IconMode);
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layerTab_->setFlow(QListView::TopToBottom);
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tabWidget->addTab(layerTab_,tr("Layers"));
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// Styles tab
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styleTab_ = new StyleTab;
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tabWidget->addTab(styleTab_,tr("Styles"));
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splitter->addWidget(tabWidget);
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splitter->addWidget(mapWidget_);
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QList<int> list;
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list.push_back(200);
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list.push_back(600);
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splitter->setSizes(list);
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mapWidget_->setFocusPolicy(Qt::StrongFocus);
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mapWidget_->setFocus();
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//setCentralWidget(mapWidget_);
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setCentralWidget(splitter);
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createActions();
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createMenus();
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createToolBars();
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createContextMenu();
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setWindowTitle(tr("Mapnik Viewer"));
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status=new QStatusBar(this);
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status->showMessage(tr(""));
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setStatusBar(status);
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resize(800,600);
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//connect mapview to layerlist
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connect(mapWidget_, SIGNAL(mapViewChanged()),layerTab_, SLOT(update()));
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// slider
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connect(slider_,SIGNAL(valueChanged(int)),mapWidget_,SLOT(zoomToLevel(int)));
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//
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connect(layerTab_,SIGNAL(update_mapwidget()),mapWidget_,SLOT(updateMap()));
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}
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MainWindow::~MainWindow()
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{
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delete mapWidget_;
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}
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void MainWindow::closeEvent(QCloseEvent* event)
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{
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event->accept();
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}
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void MainWindow::createContextMenu()
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{
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layerTab_->setContextMenuPolicy(Qt::ActionsContextMenu);
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layerTab_->addAction(openAct);
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}
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void MainWindow::open(QString const& path)
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{
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if (path.isNull())
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{
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filename_ = QFileDialog::getOpenFileName(this,tr("Open Mapnik file"),
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currentPath,"*.xml");
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}
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else
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{
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filename_ = path;
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}
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if (!filename_.isEmpty())
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{
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load_map_file(filename_);
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//zoom_all();
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setWindowTitle(tr("%1 - Mapnik Viewer").arg(filename_));
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}
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}
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void MainWindow::reload()
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{
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if (!filename_.isEmpty())
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{
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mapnik::Envelope<double> bbox = mapWidget_->getMap()->getCurrentExtent();
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load_map_file(filename_);
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mapWidget_->zoomToBox(bbox);
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setWindowTitle(tr("%1 - *Reloaded*").arg(filename_));
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}
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}
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void MainWindow::save()
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{
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QString initialPath = QDir::currentPath() + "/untitled.xml";
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QString filename = QFileDialog::getSaveFileName(this, tr("Save"),
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initialPath,
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tr("%1 Files (*.xml)")
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.arg(QString("Mapnik definition")));
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if (!filename.isEmpty())
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{
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std::cout<<"saving "<< filename.toStdString() << std::endl;
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}
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}
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void MainWindow::load_map_file(QString const& filename)
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{
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std::cout<<"loading "<< filename.toStdString() << std::endl;
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try
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{
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unsigned width = mapWidget_->width();
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unsigned height = mapWidget_->height();
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boost::shared_ptr<mapnik::Map> map(new mapnik::Map(width,height));
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mapnik::load_map(*map,filename.toStdString());
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mapWidget_->setMap(map);
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mapWidget_->zoomToBox(default_extent_);
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layerTab_->setModel(new LayerListModel(map,this));
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styleTab_->setModel(new StyleModel(map,this));
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}
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catch (...)
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{
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std::cout << "Unexpected Exception\n";
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}
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}
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void MainWindow::zoom_all()
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{
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mapWidget_->defaultView();
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}
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void MainWindow::zoom_to_box()
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{
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mapWidget_->setTool(MapWidget::ZoomToBox);
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}
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void MainWindow::pan()
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{
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mapWidget_->setTool(MapWidget::Pan);
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}
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void MainWindow::info()
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{
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mapWidget_->setTool(MapWidget::Info);
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}
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void MainWindow::pan_left()
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{
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mapWidget_->panLeft();
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}
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void MainWindow::pan_right()
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{
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mapWidget_->panRight();
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}
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void MainWindow::pan_up()
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{
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mapWidget_->panUp();
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}
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void MainWindow::pan_down()
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{
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mapWidget_->panDown();
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}
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void MainWindow::about()
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{
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about_dialog dlg;
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dlg.exec();
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}
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void MainWindow::export_as()
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{
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QAction *action = qobject_cast<QAction *>(sender());
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QByteArray fileFormat = action->data().toByteArray();
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QString initialPath = QDir::currentPath() + "/map." + fileFormat;
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QString fileName = QFileDialog::getSaveFileName(this, tr("Export As"),
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initialPath,
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tr("%1 Files (*.%2);;All Files (*)")
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.arg(QString(fileFormat.toUpper()))
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.arg(QString(fileFormat)));
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if (!fileName.isEmpty())
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{
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QPixmap const& pix = mapWidget_->pixmap();
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pix.save(fileName);
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}
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}
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void MainWindow::print()
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{
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//Q_ASSERT(mapWidget_->pixmap());
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//QPrintDialog dialog(&printer, this);
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//if (dialog.exec()) {
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// QPainter painter(&printer);
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// QRect rect = painter.viewport();
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// QSize size = mapWidget_->pixmap()->size();
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// size.scale(rect.size(), Qt::KeepAspectRatio);
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// painter.setViewport(rect.x(), rect.y(), size.width(), size.height());
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// painter.setWindow(mapWidget_->pixmap()->rect());
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// painter.drawPixmap(0, 0, *mapWidget_->pixmap());
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//}
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}
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void MainWindow::createActions()
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{
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//exportAct = new QAction(tr("&Export as ..."),this);
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//exportAct->setShortcut(tr("Ctrl+E"));
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//connect(exportAct, SIGNAL(triggered()), this, SLOT(export_as()));
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zoomAllAct = new QAction(QIcon(":/images/home.png"),tr("Zoom All"),this);
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connect(zoomAllAct, SIGNAL(triggered()), this, SLOT(zoom_all()));
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zoomBoxAct = new QAction(QIcon(":/images/zoombox.png"),tr("Zoom To Box"),this);
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zoomBoxAct->setCheckable(true);
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connect(zoomBoxAct, SIGNAL(triggered()), this, SLOT(zoom_to_box()));
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panAct = new QAction(QIcon(":/images/pan.png"),tr("Pan"),this);
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panAct->setCheckable(true);
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connect(panAct, SIGNAL(triggered()), this, SLOT(pan()));
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infoAct = new QAction(QIcon(":/images/info.png"),tr("Info"),this);
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infoAct->setCheckable(true);
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connect(infoAct, SIGNAL(triggered()), this, SLOT(info()));
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toolsGroup=new QActionGroup(this);
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toolsGroup->addAction(zoomBoxAct);
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toolsGroup->addAction(panAct);
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toolsGroup->addAction(infoAct);
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zoomBoxAct->setChecked(true);
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openAct=new QAction(tr("Open Map definition"),this);
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connect(openAct,SIGNAL(triggered()),this,SLOT(open()));
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saveAct=new QAction(tr("Save Map definition"),this);
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connect(saveAct,SIGNAL(triggered()),this,SLOT(save()));
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panLeftAct = new QAction(QIcon(":/images/left.png"),tr("&Pan Left"),this);
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connect(panLeftAct, SIGNAL(triggered()), this, SLOT(pan_left()));
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panRightAct = new QAction(QIcon(":/images/right.png"),tr("&Pan Right"),this);
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connect(panRightAct, SIGNAL(triggered()), this, SLOT(pan_right()));
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panUpAct = new QAction(QIcon(":/images/up.png"),tr("&Pan Up"),this);
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connect(panUpAct, SIGNAL(triggered()), this, SLOT(pan_up()));
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panDownAct = new QAction(QIcon(":/images/down.png"),tr("&Pan Down"),this);
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connect(panDownAct, SIGNAL(triggered()), this, SLOT(pan_down()));
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reloadAct = new QAction(QIcon(":/images/reload.png"),tr("Reload"),this);
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connect(reloadAct, SIGNAL(triggered()), this, SLOT(reload()));
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foreach (QByteArray format, QImageWriter::supportedImageFormats())
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{
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QString text = tr("%1...").arg(QString(format).toUpper());
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QAction *action = new QAction(text, this);
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action->setData(format);
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connect(action, SIGNAL(triggered()), this, SLOT(export_as()));
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exportAsActs.append(action);
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}
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printAct = new QAction(QIcon(":/images/print.png"),tr("&Print ..."),this);
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printAct->setShortcut(tr("Ctrl+E"));
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connect(printAct, SIGNAL(triggered()), this, SLOT(print()));
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exitAct = new QAction(tr("E&xit"), this);
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exitAct->setShortcut(tr("Ctrl+Q"));
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connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
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aboutAct = new QAction(QIcon(":/images/about.png"),tr("&About"), this);
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connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
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}
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void MainWindow::createMenus()
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{
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exportMenu = new QMenu(tr("&Export As"), this);
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foreach (QAction *action, exportAsActs)
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exportMenu->addAction(action);
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fileMenu = new QMenu(tr("&File"),this);
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fileMenu->addAction(openAct);
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fileMenu->addAction(saveAct);
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fileMenu->addMenu(exportMenu);
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fileMenu->addAction(printAct);
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fileMenu->addSeparator();
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fileMenu->addAction(exitAct);
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menuBar()->addMenu(fileMenu);
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helpMenu = new QMenu(tr("&Help"), this);
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helpMenu->addAction(aboutAct);
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menuBar()->addMenu(helpMenu);
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}
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void MainWindow::createToolBars()
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{
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fileToolBar = addToolBar(tr("Actions"));
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fileToolBar->addAction(zoomAllAct);
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fileToolBar->addAction(zoomBoxAct);
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fileToolBar->addAction(panAct);
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fileToolBar->addAction(panLeftAct);
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fileToolBar->addAction(panRightAct);
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fileToolBar->addAction(panUpAct);
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fileToolBar->addAction(panDownAct);
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fileToolBar->addAction(infoAct);
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fileToolBar->addAction(reloadAct);
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fileToolBar->addAction(printAct);
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slider_ = new QSlider(Qt::Horizontal,fileToolBar);
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slider_->setRange(1,18);
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slider_->setTickPosition(QSlider::TicksBelow);
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slider_->setTickInterval(1);
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slider_->setTracking(false);
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fileToolBar->addWidget(slider_);
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fileToolBar->addAction(aboutAct);
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}
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