qt5base-lts/examples/opengl/hellogl2/mainwindow.cpp
Christian Ehrlicher b0042601ed Cleanup QtOpenGL examples
Cleanup the OpenGL examples
 - use nullptr (clang-tidy)
 - use member-initialization
 - avoid redundant checks for != nullptr when deleting a pointer

Change-Id: I3e4702690ed79e71c3e952d51ceef83b907b45b7
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
2019-09-30 22:16:27 +02:00

78 lines
3.1 KiB
C++

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#include "mainwindow.h"
#include "window.h"
#include <QMenuBar>
#include <QMenu>
#include <QMessageBox>
MainWindow::MainWindow()
{
QMenuBar *menuBar = new QMenuBar;
QMenu *menuWindow = menuBar->addMenu(tr("&Window"));
QAction *addNew = new QAction(menuWindow);
addNew->setText(tr("Add new"));
menuWindow->addAction(addNew);
connect(addNew, &QAction::triggered, this, &MainWindow::onAddNew);
setMenuBar(menuBar);
onAddNew();
}
void MainWindow::onAddNew()
{
if (!centralWidget())
setCentralWidget(new Window(this));
else
QMessageBox::information(nullptr, tr("Cannot add new window"),
tr("Already occupied. Undock first."));
}