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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+
+#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("<b>%1</b>").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]