Method selectCanvas

mainwindow.cpp:279–298

}

void MainWindow::selectCanvas(MyCanvas *canvas){
    if(!curCanvas){
        ui->displayLayout->removeWidget(defaultPage);
        defaultPage->hide();
        ui->displayLayout->addWidget(canvas);
        canvas->show();
    }
    else{
        ui->displayLayout->removeWidget(curCanvas);
        curCanvas->hide();
        ui->displayLayout->addWidget(canvas);
        canvas->show();
    }
    curCanvas = canvas;
    canvas->settingPage()->setParent(ui->mainWidget);
    curSettingsPage = canvas->settingPage();
    canvasTitle->setText(curCanvas->name());
    canvasTitle->setMaximumWidth(QFontMetrics(QFont("Corbel Light", 24)).size(Qt::TextSingleLine, canvasTitle->text()).width() + 10);
    canvasDesc->setText(curCanvas->description());
}

void MainWindow::deleteCanvas(MyCanvas *canvas){
    int index = canvasList.indexOf(canvas);