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Diffstat (limited to 'examples/pdfwidgets/pdfviewer/pageselector.cpp')
| -rw-r--r-- | examples/pdfwidgets/pdfviewer/pageselector.cpp | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/examples/pdfwidgets/pdfviewer/pageselector.cpp b/examples/pdfwidgets/pdfviewer/pageselector.cpp deleted file mode 100644 index 28bff1359..000000000 --- a/examples/pdfwidgets/pdfviewer/pageselector.cpp +++ /dev/null @@ -1,125 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtPDF module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "pageselector.h" - -#include <QHBoxLayout> -#include <QLabel> -#include <QLineEdit> -#include <QPdfPageNavigation> -#include <QToolButton> - -PageSelector::PageSelector(QWidget *parent) - : QWidget(parent) - , m_pageNavigation(nullptr) -{ - QHBoxLayout *layout = new QHBoxLayout(this); - - m_previousPageButton = new QToolButton(this); - m_previousPageButton->setText("<"); - m_previousPageButton->setEnabled(false); - - m_pageNumberEdit = new QLineEdit(this); - m_pageNumberEdit->setAlignment(Qt::AlignRight); - - m_pageCountLabel = new QLabel(this); - m_pageCountLabel->setText("0"); - - m_nextPageButton = new QToolButton(this); - m_nextPageButton->setText(">"); - m_nextPageButton->setEnabled(false); - - layout->addWidget(m_previousPageButton); - layout->addWidget(m_pageNumberEdit); - layout->addWidget(m_pageCountLabel); - layout->addWidget(m_nextPageButton); -} - -void PageSelector::setPageNavigation(QPdfPageNavigation *pageNavigation) -{ - m_pageNavigation = pageNavigation; - - connect(m_previousPageButton, &QToolButton::clicked, m_pageNavigation, &QPdfPageNavigation::goToPreviousPage); - connect(m_pageNavigation, &QPdfPageNavigation::canGoToPreviousPageChanged, m_previousPageButton, &QToolButton::setEnabled); - - connect(m_pageNavigation, &QPdfPageNavigation::currentPageChanged, this, &PageSelector::onCurrentPageChanged); - connect(m_pageNavigation, &QPdfPageNavigation::pageCountChanged, this, [this](int pageCount){ m_pageCountLabel->setText(QString::fromLatin1("/ %1").arg(pageCount)); }); - - connect(m_pageNumberEdit, &QLineEdit::editingFinished, this, &PageSelector::pageNumberEdited); - - connect(m_nextPageButton, &QToolButton::clicked, m_pageNavigation, &QPdfPageNavigation::goToNextPage); - connect(m_pageNavigation, &QPdfPageNavigation::canGoToNextPageChanged, m_nextPageButton, &QToolButton::setEnabled); - - onCurrentPageChanged(m_pageNavigation->currentPage()); -} - -void PageSelector::onCurrentPageChanged(int page) -{ - if (m_pageNavigation->pageCount() == 0) - m_pageNumberEdit->setText(QString::number(0)); - else - m_pageNumberEdit->setText(QString::number(page + 1)); -} - -void PageSelector::pageNumberEdited() -{ - if (!m_pageNavigation) - return; - - const QString text = m_pageNumberEdit->text(); - - bool ok = false; - const int pageNumber = text.toInt(&ok); - - if (!ok) - onCurrentPageChanged(m_pageNavigation->currentPage()); - else - m_pageNavigation->setCurrentPage(qBound(0, pageNumber - 1, m_pageNavigation->pageCount() - 1)); -} |