/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the documentation of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ //! [0] w->setWindowState(w->windowState() ^ Qt::WindowFullScreen); //! [0] //! [1] w->setWindowState((w->windowState() & ~Qt::WindowMinimized) | Qt::WindowActive); //! [1] //! [2] width = baseSize().width() + i * sizeIncrement().width(); height = baseSize().height() + j * sizeIncrement().height(); //! [2] //! [3] aWidget->window()->setWindowTitle("New Window Title"); //! [3] //! [4] QFont font("Helvetica", 12, QFont::Bold); setFont(font); //! [4] //! [5] QFont font; font.setBold(false); setFont(font); //! [5] //! [6] setCursor(Qt::IBeamCursor); //! [6] //! [7] QPixmap pixmap(widget->size()); widget->render(&pixmap); //! [7] //! [8] QPainter painter(this); ... painter.end(); myWidget->render(this); //! [8] //! [9] setTabOrder(a, b); // a to b setTabOrder(b, c); // a to b to c setTabOrder(c, d); // a to b to c to d //! [9] //! [10] // WRONG setTabOrder(c, d); // c to d setTabOrder(a, b); // a to b AND c to d setTabOrder(b, c); // a to b to c, but not c to d //! [10] //! [11] void MyWidget::closeEvent(QCloseEvent *event) { QSettings settings("MyCompany", "MyApp"); settings.setValue("geometry", saveGeometry()); QWidget::closeEvent(event); } //! [11] //! [12] QSettings settings("MyCompany", "MyApp"); myWidget->restoreGeometry(settings.value("myWidget/geometry").toByteArray()); //! [12] //! [13] setUpdatesEnabled(false); bigVisualChanges(); setUpdatesEnabled(true); //! [13]