1fdfc2abfe
Change-Id: I02f2c620296fcd91d4967d58767ea33fc4e1e7dc Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
142 lines
4.5 KiB
C++
142 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QtWidgets>
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#include "iconpreviewarea.h"
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//! [0]
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IconPreviewArea::IconPreviewArea(QWidget *parent)
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: QWidget(parent)
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{
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QGridLayout *mainLayout = new QGridLayout;
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setLayout(mainLayout);
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stateLabels[0] = createHeaderLabel(tr("Off"));
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stateLabels[1] = createHeaderLabel(tr("On"));
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Q_ASSERT(NumStates == 2);
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modeLabels[0] = createHeaderLabel(tr("Normal"));
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modeLabels[1] = createHeaderLabel(tr("Active"));
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modeLabels[2] = createHeaderLabel(tr("Disabled"));
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modeLabels[3] = createHeaderLabel(tr("Selected"));
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Q_ASSERT(NumModes == 4);
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for (int j = 0; j < NumStates; ++j)
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mainLayout->addWidget(stateLabels[j], j + 1, 0);
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for (int i = 0; i < NumModes; ++i) {
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mainLayout->addWidget(modeLabels[i], 0, i + 1);
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for (int j = 0; j < NumStates; ++j) {
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pixmapLabels[i][j] = createPixmapLabel();
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mainLayout->addWidget(pixmapLabels[i][j], j + 1, i + 1);
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}
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}
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}
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//! [0]
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//! [1]
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void IconPreviewArea::setIcon(const QIcon &icon)
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{
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this->icon = icon;
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updatePixmapLabels();
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}
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//! [1]
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//! [2]
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void IconPreviewArea::setSize(const QSize &size)
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{
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if (size != this->size) {
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this->size = size;
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updatePixmapLabels();
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}
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}
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//! [2]
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//! [3]
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QLabel *IconPreviewArea::createHeaderLabel(const QString &text)
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{
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QLabel *label = new QLabel(tr("<b>%1</b>").arg(text));
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label->setAlignment(Qt::AlignCenter);
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return label;
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}
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//! [3]
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//! [4]
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QLabel *IconPreviewArea::createPixmapLabel()
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{
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QLabel *label = new QLabel;
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label->setEnabled(false);
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label->setAlignment(Qt::AlignCenter);
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label->setFrameShape(QFrame::Box);
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label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
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label->setBackgroundRole(QPalette::Base);
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label->setAutoFillBackground(true);
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label->setMinimumSize(132, 132);
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return label;
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}
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//! [4]
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//! [5]
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void IconPreviewArea::updatePixmapLabels()
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{
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for (int i = 0; i < NumModes; ++i) {
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QIcon::Mode mode;
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if (i == 0) {
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mode = QIcon::Normal;
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} else if (i == 1) {
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mode = QIcon::Active;
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} else if (i == 2) {
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mode = QIcon::Disabled;
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} else {
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mode = QIcon::Selected;
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}
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for (int j = 0; j < NumStates; ++j) {
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QIcon::State state = (j == 0) ? QIcon::Off : QIcon::On;
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QPixmap pixmap = icon.pixmap(size, mode, state);
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pixmapLabels[i][j]->setPixmap(pixmap);
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pixmapLabels[i][j]->setEnabled(!pixmap.isNull());
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}
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}
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}
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//! [5]
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