QtIntroduction/mainwindow.cpp at master · devorbitpc/QtIntroduction · GitHub

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// ===========================================================================
/// <summary>
/// mainwindow.cpp
/// QtIntroduction
/// created by Mehrdad Soleimanimajd on 10.09.2019
/// </summary>
/// <created>ʆϒʅ, 10.09.2019</created>
/// <changed>ʆϒʅ, 27.06.2023</changed>
// ===========================================================================

#include "mainwindow.h"
#include "./ui_mainwindow.h"


MainWindow::MainWindow ()
    : appStyle ( nullptr ), windowScreenShot ( nullptr )
{
    try
    {

        QWidget* widget = new QWidget;
        setCentralWidget ( widget );

        QWidget* menuBar = new QWidget;
        menuBar->setSizePolicy ( QSizePolicy::Expanding, QSizePolicy::Expanding );

        QWidget* statusBar = new QWidget;
        statusBar->setSizePolicy ( QSizePolicy::Expanding, QSizePolicy::Expanding );

        QVBoxLayout* layout = new QVBoxLayout;
        layout->setContentsMargins ( 2, 2, 2, 2 );

        layout->addWidget ( menuBar );
        layout->addWidget ( statusBar );
        widget->setLayout ( layout );

        createActions ();
        createMenus ();

        //QString message { "Menus can be chosen! :)" };
        //QString message = tr ( "Menus can be chosen! :)" );
        //statusBar ()->showMessage ( message );

        setWindowTitle ( tr ( "Qt GUI" ) );
        setMinimumSize ( 240, 160 );
        resize ( 480, 320 );

        appStyle = new AppStyle;

        this->centralWidget ()->setStyleSheet ( appStyle->theme.form );
        this->menuBar ()->setStyleSheet ( appStyle->theme.menu );
        this->statusBar ()->setStyleSheet ( appStyle->theme.status );

    }
    catch (const std::exception& ex)
    {

    }
}


MainWindow::~MainWindow ()
{
    if (windowScreenShot)
        delete windowScreenShot;

    if (appStyle)
        delete appStyle;
}


void MainWindow::themeOne ( void )
{
    if (!actionTheme->isChecked ())
    {
        actionTheme->toggled ( false );
        setStyle ( 0 );
    } else
    {
        actionTheme->toggled ( true );
        setStyle ( 1 );
    }
};


void MainWindow::screenShot ( void )
{
    if (!windowScreenShot)
    {
        windowScreenShot = new ScreenShot ( this->centralWidget (), appStyle );
        windowScreenShot->move ( QApplication::primaryScreen ()->availableGeometry ().topLeft () + QPoint ( 50, 50 ) );
        windowScreenShot->show ();
    } else
        if (windowScreenShot->getInitialized ())
        {
            windowScreenShot->show ();
        }
};


void MainWindow::createActions ( void )
{
    actionScreenShot = new QAction ( tr ( "ScreenShot" ), this );
    connect ( actionScreenShot, &QAction::triggered, this, &MainWindow::screenShot );

    actionTheme = new QAction ( tr ( "Theme" ), this );
    actionTheme->setShortcut ( QKeySequence::AddTab ); // Ctrl+T
    actionTheme->setCheckable ( true );
    actionTheme->setStatusTip ( tr ( "Set the application theme" ) );
    connect ( actionTheme, &QAction::triggered, this, &MainWindow::themeOne );
};


void MainWindow::createMenus ( void )
{
    menuFile = menuBar ()->addMenu ( tr ( "&File" ) );
    menuFile->addAction ( actionScreenShot );

    menuView = menuBar ()->addMenu ( tr ( "&View" ) );
    menuView->addAction ( actionTheme );
};


//#ifndef QT_NO_CONTEXTMENU
//void MainWindow::contextMenuEvent ( QContextMenuEvent* event )
//{
//  QMenu menu ( this );
//  menu.addAction ( actionTheme );
//  menu.exec ( event->globalPos () );
//};
//#endif // QT_NO_CONTEXTMENU


void MainWindow::setStyle ( unsigned char index )
{

    appStyle->set ( index );

    if (appStyle->getLoaded ())
    {
        this->centralWidget ()->setStyleSheet ( appStyle->theme.form );
        this->menuBar ()->setStyleSheet ( appStyle->theme.menu );
        this->statusBar ()->setStyleSheet ( appStyle->theme.status );

        if (windowScreenShot)
        {
            windowScreenShot->updateStyle ();
        }
    }

};