softkeys.cpp Example File

widgets/softkeys/softkeys.cpp
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** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the examples of the Qt Toolkit.
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#include "softkeys.h"

MainWindow::MainWindow(QWidget *parent)
    : QMainWindow(parent)
{
    central = new QWidget(this);
    central->setContextMenuPolicy(Qt::NoContextMenu); // explicitly forbid usage of context menu so actions item is not shown menu
    setCentralWidget(central);

    // Create text editor and set softkeys to it
    textEditor= new QTextEdit(tr("Navigate in UI to see context sensitive softkeys in action"), this);
    QAction* clear = new QAction(tr("Clear"), this);
    clear->setSoftKeyRole(QAction::NegativeSoftKey);

    textEditor->addAction(clear);

    ok = new QAction(tr("Ok"), this);
    ok->setSoftKeyRole(QAction::PositiveSoftKey);
    connect(ok, SIGNAL(triggered()), this, SLOT(okPressed()));

    cancel = new QAction(tr("Cancel"), this);
    cancel->setSoftKeyRole(QAction::NegativeSoftKey);
    connect(cancel, SIGNAL(triggered()), this, SLOT(cancelPressed()));

    infoLabel = new QLabel(tr(""), this);
    infoLabel->setContextMenuPolicy(Qt::NoContextMenu);

    toggleButton = new QPushButton(tr("Custom"), this);
    toggleButton->setContextMenuPolicy(Qt::NoContextMenu);
    toggleButton->setCheckable(true);

    modeButton = new QPushButton(tr("Loop SK window type"), this);
    modeButton->setContextMenuPolicy(Qt::NoContextMenu);

    modeLabel = new QLabel(tr("Normal maximized"), this);
    modeLabel->setContextMenuPolicy(Qt::NoContextMenu);

    pushButton = new QPushButton(tr("File Dialog"), this);
    pushButton->setContextMenuPolicy(Qt::NoContextMenu);

    QComboBox* comboBox = new QComboBox(this);
    comboBox->setContextMenuPolicy(Qt::NoContextMenu);
    comboBox->insertItems(0, QStringList()
     << QApplication::translate("MainWindow", "Selection1", 0, QApplication::UnicodeUTF8)
     << QApplication::translate("MainWindow", "Selection2", 0, QApplication::UnicodeUTF8)
     << QApplication::translate("MainWindow", "Selection3", 0, QApplication::UnicodeUTF8)
    );

    layout = new QGridLayout;
    layout->addWidget(textEditor, 0, 0, 1, 2);
    layout->addWidget(infoLabel, 1, 0, 1, 2);
    layout->addWidget(toggleButton, 2, 0);
    layout->addWidget(pushButton, 2, 1);
    layout->addWidget(comboBox, 3, 0, 1, 2);
    layout->addWidget(modeButton, 4, 0, 1, 2);
    layout->addWidget(modeLabel, 5, 0, 1, 2);
    central->setLayout(layout);

    fileMenu = menuBar()->addMenu(tr("&File"));
    exit = new QAction(tr("&Exit"), this);
    fileMenu->addAction(exit);

    connect(clear, SIGNAL(triggered()), this, SLOT(clearTextEditor()));
    connect(pushButton, SIGNAL(clicked()), this, SLOT(openDialog()));
    connect(exit, SIGNAL(triggered()), this, SLOT(exitApplication()));
    connect(toggleButton, SIGNAL(clicked()), this, SLOT(setCustomSoftKeys()));
    connect(modeButton, SIGNAL(clicked()), this, SLOT(setMode()));
    pushButton->setFocus();
}

MainWindow::~MainWindow()
{
}

void MainWindow::clearTextEditor()
{
    textEditor->setText(tr(""));
}

void MainWindow::openDialog()
{
    QFileDialog::getOpenFileName(this);
}

void MainWindow::addSoftKeys()
{
    addAction(ok);
    addAction(cancel);
}

void MainWindow::setCustomSoftKeys()
{
    if (toggleButton->isChecked()) {
        infoLabel->setText(tr("Custom softkeys set"));
        addSoftKeys();
        }
    else {
        infoLabel->setText(tr("Custom softkeys removed"));
        removeAction(ok);
        removeAction(cancel);
    }
}

void MainWindow::setMode()
{
    if(isMaximized()) {
        showFullScreen();
        modeLabel->setText(tr("Normal Fullscreen"));
    } else {
        Qt::WindowFlags flags = windowFlags();
        if(flags & Qt::WindowSoftkeysRespondHint) {
            flags |= Qt::WindowSoftkeysVisibleHint;
            flags &= ~Qt::WindowSoftkeysRespondHint;
            setWindowFlags(flags); // Hides visible window
            showFullScreen();
            modeLabel->setText(tr("Fullscreen with softkeys"));
        } else if(flags & Qt::WindowSoftkeysVisibleHint) {
            flags &= ~Qt::WindowSoftkeysVisibleHint;
            flags &= ~Qt::WindowSoftkeysRespondHint;
            setWindowFlags(flags); // Hides visible window
            showMaximized();
            modeLabel->setText(tr("Normal Maximized"));
        } else {
            flags &= ~Qt::WindowSoftkeysVisibleHint;
            flags |= Qt::WindowSoftkeysRespondHint;
            setWindowFlags(flags); // Hides visible window
            showFullScreen();
            modeLabel->setText(tr("Fullscreen with SK respond"));
        }
    }
}

void MainWindow::exitApplication()
{
    qApp->exit();
}

void MainWindow::okPressed()
{
    infoLabel->setText(tr("OK pressed"));
}

void MainWindow::cancelPressed()
{
    infoLabel->setText(tr("Cancel pressed"));
}

© 2016 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.