84 lines
1.7 KiB
C++
84 lines
1.7 KiB
C++
#include "mainwindow.h"
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#include "./ui_mainwindow.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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this->setCentralWidget(ui->textEdit);
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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::on_actionNew_triggered()
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{
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currentFile.clear();
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ui->textEdit->setText(QString());
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}
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void MainWindow::on_actionOpen_triggered()
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{
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QString filename = QFileDialog::getOpenFileName(this, "Open the file");
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QFile file(filename);
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currentFile = filename;
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if (!file.open(QIODevice::ReadOnly | QFile::Text)) {
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QMessageBox::warning(this, "Warning", "Cannot open file : " + file.errorString());
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return;
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}
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setWindowTitle(filename);
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QTextStream in(&file);
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QString text = in.readAll();
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ui->textEdit->setText(text);
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file.close();
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}
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void MainWindow::on_actionSave_as_triggered()
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{
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QString filename = QFileDialog::getSaveFileName(this, "Save as");
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QFile file(filename);
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if (!file.open(QFile::WriteOnly | QFile::Text)) {
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QMessageBox::warning(this, "Warning", "Cannot save file : " + file.errorString());
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return;
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}
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currentFile = filename;
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setWindowTitle(filename);
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QTextStream out(&file);
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QString text = ui->textEdit->toPlainText();
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out << text;
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file.close();
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}
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void MainWindow::on_actionExit_triggered()
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{
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QApplication::quit();
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}
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void MainWindow::on_actionCopy_triggered()
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{
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ui->textEdit->copy();
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}
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void MainWindow::on_actionPaste_triggered()
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{
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ui->textEdit->paste();
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}
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void MainWindow::on_actionCut_triggered()
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{
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ui->textEdit->cut();
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}
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void MainWindow::on_actionUndo_triggered()
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{
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ui->textEdit->undo();
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}
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void MainWindow::on_actionRedo_triggered()
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{
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ui->textEdit->redo();
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}
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