tools/drawMapTest/mainwindow.cpp
author Mitchell Kember <mk12360@gmail.com>
Fri, 30 Nov 2012 20:00:53 -0500
changeset 8149 237802cf4610
parent 4477 63a21fac8bf7
permissions -rw-r--r--
Google Code-in: Center help text field Modifies the grid layout slightly so that the help text which appears when hovering over certain elements is centered with respect to the window, even when there are more buttons on one side. https://google-melange.appspot.com/gci/task/view/google/gci2012/7968226
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#include <QFileDialog>
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#include "mainwindow.h"
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#include "ui_mainwindow.h"
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#include "drawmapscene.h"
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MainWindow::MainWindow(QWidget *parent) :
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    QMainWindow(parent),
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    ui(new Ui::MainWindow)
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{
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    ui->setupUi(this);
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    scene = new DrawMapScene(this);
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    //ui->graphicsView->setScene(scene);
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    ui->drawMapWidget->setScene(scene);
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    connect(ui->pbUndo, SIGNAL(clicked()), scene, SLOT(undo()));
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    connect(scene, SIGNAL(pathChanged()), this, SLOT(scene_pathChanged()));
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}
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MainWindow::~MainWindow()
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{
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    delete ui;
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}
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void MainWindow::changeEvent(QEvent *e)
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{
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    QMainWindow::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 MainWindow::scene_pathChanged()
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{
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    QString str = scene->encode().toBase64();
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    ui->plainTextEdit->setPlainText(str);
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    ui->sbBytes->setValue(str.size());
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}
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void MainWindow::on_pbSave_clicked()
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{
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    QString fileName = QFileDialog::getSaveFileName(this, tr("Save map"), ".");
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    if(!fileName.isEmpty())
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    {
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        QFile f(fileName);
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        f.open(QIODevice::WriteOnly);
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        f.write(scene->encode());
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    }
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}
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void MainWindow::on_pbLoad_clicked()
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{
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    QString fileName = QFileDialog::getOpenFileName(this, tr("Open map file"), ".");
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    if(!fileName.isEmpty())
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    {
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        QFile f(fileName);
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        f.open(QIODevice::ReadOnly);
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        QByteArray data = f.readAll();
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        scene->decode(data);
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    }
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}