/**************************************************************************** ** ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples 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 Nokia Corporation and its Subsidiary(-ies) 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." ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include "iconpreviewarea.h" //! [0] IconPreviewArea::IconPreviewArea(QWidget *parent) : QWidget(parent) { QGridLayout *mainLayout = new QGridLayout; setLayout(mainLayout); stateLabels[0] = createHeaderLabel(tr("Off")); stateLabels[1] = createHeaderLabel(tr("On")); Q_ASSERT(NumStates == 2); modeLabels[0] = createHeaderLabel(tr("Normal")); modeLabels[1] = createHeaderLabel(tr("Active")); modeLabels[2] = createHeaderLabel(tr("Disabled")); modeLabels[3] = createHeaderLabel(tr("Selected")); Q_ASSERT(NumModes == 4); for (int j = 0; j < NumStates; ++j) mainLayout->addWidget(stateLabels[j], j + 1, 0); for (int i = 0; i < NumModes; ++i) { mainLayout->addWidget(modeLabels[i], 0, i + 1); for (int j = 0; j < NumStates; ++j) { pixmapLabels[i][j] = createPixmapLabel(); mainLayout->addWidget(pixmapLabels[i][j], j + 1, i + 1); } } } //! [0] //! [1] void IconPreviewArea::setIcon(const QIcon &icon) { this->icon = icon; updatePixmapLabels(); } //! [1] //! [2] void IconPreviewArea::setSize(const QSize &size) { if (size != this->size) { this->size = size; updatePixmapLabels(); } } //! [2] //! [3] QLabel *IconPreviewArea::createHeaderLabel(const QString &text) { QLabel *label = new QLabel(tr("%1").arg(text)); label->setAlignment(Qt::AlignCenter); return label; } //! [3] //! [4] QLabel *IconPreviewArea::createPixmapLabel() { QLabel *label = new QLabel; label->setEnabled(false); label->setAlignment(Qt::AlignCenter); label->setFrameShape(QFrame::Box); label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); label->setBackgroundRole(QPalette::Base); label->setAutoFillBackground(true); label->setMinimumSize(132, 132); return label; } //! [4] //! [5] void IconPreviewArea::updatePixmapLabels() { for (int i = 0; i < NumModes; ++i) { QIcon::Mode mode; if (i == 0) { mode = QIcon::Normal; } else if (i == 1) { mode = QIcon::Active; } else if (i == 2) { mode = QIcon::Disabled; } else { mode = QIcon::Selected; } for (int j = 0; j < NumStates; ++j) { QIcon::State state = (j == 0) ? QIcon::Off : QIcon::On; QPixmap pixmap = icon.pixmap(size, mode, state); pixmapLabels[i][j]->setPixmap(pixmap); pixmapLabels[i][j]->setEnabled(!pixmap.isNull()); } } } //! [5]