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
#include <QFileDialog>
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include "drawmapscene.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
scene = new DrawMapScene(this);
//ui->graphicsView->setScene(scene);
ui->drawMapWidget->setScene(scene);
connect(ui->pbUndo, SIGNAL(clicked()), scene, SLOT(undo()));
connect(scene, SIGNAL(pathChanged()), this, SLOT(scene_pathChanged()));
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::changeEvent(QEvent *e)
{
QMainWindow::changeEvent(e);
switch (e->type()) {
case QEvent::LanguageChange:
ui->retranslateUi(this);
break;
default:
break;
}
}
void MainWindow::scene_pathChanged()
{
QString str = scene->encode().toBase64();
ui->plainTextEdit->setPlainText(str);
ui->sbBytes->setValue(str.size());
}
void MainWindow::on_pbSave_clicked()
{
QString fileName = QFileDialog::getSaveFileName(this, tr("Save map"), ".");
if(!fileName.isEmpty())
{
QFile f(fileName);
f.open(QIODevice::WriteOnly);
f.write(scene->encode());
}
}
void MainWindow::on_pbLoad_clicked()
{
QString fileName = QFileDialog::getOpenFileName(this, tr("Open map file"), ".");
if(!fileName.isEmpty())
{
QFile f(fileName);
f.open(QIODevice::ReadOnly);
QByteArray data = f.readAll();
scene->decode(data);
}
}