ControlStrip.cpp Example Filedemos/embedded/anomaly/src/ControlStrip.cpp/**************************************************************************** ** ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the demos of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** GNU Lesser General Public License Usage ** This file may be used under the terms of the GNU Lesser General Public ** License version 2.1 as published by the Free Software Foundation and ** appearing in the file LICENSE.LGPL included in the packaging of this ** file. Please review the following information to ensure the GNU Lesser ** General Public License version 2.1 requirements will be met: ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU General ** Public License version 3.0 as published by the Free Software Foundation ** and appearing in the file LICENSE.GPL included in the packaging of this ** file. Please review the following information to ensure the GNU General ** Public License version 3.0 requirements will be met: ** http://www.gnu.org/copyleft/gpl.html. ** ** Other Usage ** Alternatively, this file may be used in accordance with the terms and ** conditions contained in a signed written agreement between you and Nokia. ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "ControlStrip.h" #include <QtCore> #include <QtGui> ControlStrip::ControlStrip(QWidget *parent) : QWidget(parent) { menuPixmap.load(":/images/edit-find.png"); backPixmap.load(":/images/go-previous.png"); forwardPixmap.load(":/images/go-next.png"); closePixmap.load(":/images/button-close.png"); } QSize ControlStrip::sizeHint() const { return minimumSizeHint(); } QSize ControlStrip::minimumSizeHint() const { return QSize(320, 48); } void ControlStrip::mousePressEvent(QMouseEvent *event) { int h = height(); int spacing = qMin(h, (width() - h * 4) / 3); int x = event->pos().x(); if (x < h) { emit menuClicked(); event->accept(); return; } if (x > width() - h) { emit closeClicked(); event->accept(); return; } if ((x < width() - (h + spacing)) && (x > width() - (h * 2 + spacing))) { emit forwardClicked(); event->accept(); return; } if ((x < width() - (h * 2 + spacing * 2)) && (x > width() - (h * 3 + spacing * 2))) { emit backClicked(); event->accept(); return; } } void ControlStrip::paintEvent(QPaintEvent *event) { int h = height(); int spacing = qMin(h, (width() - h * 4) / 3); int s = (height() - menuPixmap.height()) / 2; QPainter p(this); p.fillRect(event->rect(), QColor(32, 32, 32, 192)); p.setCompositionMode(QPainter::CompositionMode_SourceOver); p.drawPixmap(s, s, menuPixmap); p.drawPixmap(width() - h + s, s, closePixmap); p.drawPixmap(width() - (h * 2 + spacing) + s, s, forwardPixmap); p.drawPixmap(width() - (h * 3 + spacing * 2) + s, s, backPixmap); p.end(); } |