QTfrontend/drawmapwidget.cpp
author unc0rr
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2011 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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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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#include <QFile>
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#include <QMessageBox>
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#include "drawmapwidget.h"
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DrawMapWidget::DrawMapWidget(QWidget *parent) :
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    QWidget(parent),
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    ui(new Ui::DrawMapWidget)
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{
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    ui->setupUi(this);
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    m_scene = 0;
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}
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DrawMapWidget::~DrawMapWidget()
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{
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    delete ui;
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}
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void DrawMapWidget::changeEvent(QEvent *e)
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{
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    QWidget::changeEvent(e);
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    switch (e->type()) {
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    case QEvent::LanguageChange:
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        ui->retranslateUi(this);
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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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void DrawMapWidget::setScene(DrawMapScene * scene)
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{
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    ui->graphicsView->setScene(scene);
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    m_scene = scene;
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}
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void DrawMapWidget::resizeEvent(QResizeEvent * event)
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{
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    Q_UNUSED(event);
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    if(ui->graphicsView && ui->graphicsView->scene())
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        ui->graphicsView->fitInView(ui->graphicsView->scene()->sceneRect(), Qt::KeepAspectRatio);
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}
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void DrawMapWidget::showEvent(QShowEvent * event)
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{
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    Q_UNUSED(event);
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    resizeEvent(0);
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}
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void DrawMapWidget::undo()
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{
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    if(m_scene) m_scene->undo();
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}
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void DrawMapWidget::clear()
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{
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    if(m_scene) m_scene->clearMap();
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}
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void DrawMapWidget::save(const QString & fileName)
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{
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    if(m_scene)
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    {
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        QFile file(fileName);
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        if(!file.open(QIODevice::WriteOnly))
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            QMessageBox::warning(this, tr("File error"), tr("Cannot open file '%1' for writing").arg(fileName));
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        else
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            file.write(qCompress(m_scene->encode()).toBase64());
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    }
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}
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void DrawMapWidget::load(const QString & fileName)
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{
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    if(m_scene)
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    {
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        QFile f(fileName);
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        if(!f.open(QIODevice::ReadOnly))
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            QMessageBox::warning(this, tr("File error"), tr("Cannot read file '%1'").arg(fileName));
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        else
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            m_scene->decode(qUncompress(QByteArray::fromBase64(f.readAll())));
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    }
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}