Tutorial by Examples

#ifndef MYCOMPAREFILEDIALOG_H #define MYCOMPAREFILEDIALOG_H #include <QtWidgets/QDialog> class MyCompareFileDialog : public QDialog { Q_OBJECT public: MyCompareFileDialog(QWidget *parent = 0); ~MyCompareFileDialog(); }; #endif // MYCOMPAREFILEDIALOG_H

#include "MyCompareFileDialog.h" #include <QLabel> MyCompareFileDialog::MyCompareFileDialog(QWidget *parent) : QDialog(parent) { setWindowTitle("Compare Files"); setWindowFlags(Qt::Dialog); setWindowModality(Qt::WindowModal); resize(300, 100); ...

#ifndef MAINWINDOW_H #define MAINWINDOW_H #include <QMainWindow> namespace Ui { class MainWindow; } class MyCompareFileDialog; class MainWindow : public QMainWindow { Q_OBJECT public: explicit MainWindow(QWidget *parent = 0); ~MainWindow(); private: Ui...

#include "mainwindow.h" #include "ui_mainwindow.h" #include "mycomparefiledialog.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWindow) { ui->setupUi(this); myDialog = new MyCompareFileDialog(this); ...

#include "mainwindow.h" #include <QApplication> int main(int argc, char *argv[]) { QApplication a(argc, argv); MainWindow w; w.show(); return a.exec(); }

<?xml version="1.0" encoding="UTF-8"?> <ui version="4.0"> <class>MainWindow</class> <widget class="QMainWindow" name="MainWindow"> <property name="geometry"> <rect> <x>0</x...