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Diffstat (limited to 'examples/pdfwidgets')
20 files changed, 1072 insertions, 0 deletions
diff --git a/examples/pdfwidgets/pdfviewer/doc/src/pdfviewer.qdoc b/examples/pdfwidgets/pdfviewer/doc/src/pdfviewer.qdoc new file mode 100644 index 000000000..9c7b3deed --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/doc/src/pdfviewer.qdoc @@ -0,0 +1,108 @@ +/**************************************************************************** +** +** Copyright (C) 2020 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:FDL$ +** 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. +** +** GNU Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: https://www.gnu.org/licenses/fdl-1.3.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +/*! + \example pdfviewer + \ingroup qtpdf-examples + + \title PDF Viewer Example + \brief Renders PDF documents. + + \image pdfviewer.png + + \e {PDF Viewer} demonstrates how to use the \l QPdfDocument class to render + PDF documents and the \l QPdfPageNavigation class to navigate them. + + Qt Creator and the integrated Qt Designer were used to create the example + UI and to connect it to the code. This affects the code, which might be + somewhat different to what you would typically write by hand. + For more information about using Qt Designer, see \l{Qt Designer Manual} + and \l{Qt Creator: Creating a Qt Widget Based Application}. + + \include examples-run.qdocinc + + \section1 Creating the Main Window + + The MainWindow class inherits the QMainWindow class: + + \quotefromfile pdfviewer/mainwindow.h + \skipto public QMainWindow + \printuntil ~MainWindow() + + The class declares public and private slots that match the actions of the + selectors: + + \printuntil on_actionContinuous_triggered() + + The actual layout of the main window is specified in a \c{.ui} file. The + widgets and actions are available at runtime in the \c ui member variable. + + \printuntil Ui:: + + The \c m_zoomSelector variable holds the zoom selector and the + \c m_pageSelector holds the page selector. The \c m_document + variable is an instance of the QPdfDocument class that contains + the PDF document. + + \printuntil } + + The actual setup of the different objects is done in the MainWindow + constructor: + + \quotefromfile pdfviewer/mainwindow.cpp + \skipto MainWindow:: + \printuntil { + + The constructor first calls \c setupUi() to construct the zoom and page + selectors according to the UI file. We set the maximum width of the + selectors. + + \printuntil addWidget(m_pageSelector) + + We use the \l QPdfPageNavigation class to handle the navigation through a + PDF document: + + \printuntil setPageNavigation + + We connect the \c zoomModeChanged and \c zoomFactor changed signals of the + PDF view to the functions that reset the zoom selector: + + \printuntil reset() + + We then load the PDF document to the viewer: + + \dots + \skipto pdfView + \printuntil ; + + Finally, we connect the \c zoomFactorChanged signal to the function that + sets the value of the zoom selector: + + \printuntil } + + \section1 Files and Attributions +*/ diff --git a/examples/pdfwidgets/pdfviewer/images/busy.png b/examples/pdfwidgets/pdfviewer/images/busy.png Binary files differnew file mode 100644 index 000000000..69056c479 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/images/busy.png diff --git a/examples/pdfwidgets/pdfviewer/images/fileopen.png b/examples/pdfwidgets/pdfviewer/images/fileopen.png Binary files differnew file mode 100644 index 000000000..33e0d6394 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/images/fileopen.png diff --git a/examples/pdfwidgets/pdfviewer/images/go-next-24.png b/examples/pdfwidgets/pdfviewer/images/go-next-24.png Binary files differnew file mode 100644 index 000000000..9a55ef3d8 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/images/go-next-24.png diff --git a/examples/pdfwidgets/pdfviewer/images/go-previous-24.png b/examples/pdfwidgets/pdfviewer/images/go-previous-24.png Binary files differnew file mode 100644 index 000000000..2ea769eb8 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/images/go-previous-24.png diff --git a/examples/pdfwidgets/pdfviewer/images/zoom-in-24.png b/examples/pdfwidgets/pdfviewer/images/zoom-in-24.png Binary files differnew file mode 100644 index 000000000..d29b142b6 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/images/zoom-in-24.png diff --git a/examples/pdfwidgets/pdfviewer/images/zoom-in-32.png b/examples/pdfwidgets/pdfviewer/images/zoom-in-32.png Binary files differnew file mode 100644 index 000000000..34d70af37 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/images/zoom-in-32.png diff --git a/examples/pdfwidgets/pdfviewer/images/zoom-out-24.png b/examples/pdfwidgets/pdfviewer/images/zoom-out-24.png Binary files differnew file mode 100644 index 000000000..19703474f --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/images/zoom-out-24.png diff --git a/examples/pdfwidgets/pdfviewer/images/zoom-out-32.png b/examples/pdfwidgets/pdfviewer/images/zoom-out-32.png Binary files differnew file mode 100644 index 000000000..b83220661 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/images/zoom-out-32.png diff --git a/examples/pdfwidgets/pdfviewer/main.cpp b/examples/pdfwidgets/pdfviewer/main.cpp new file mode 100644 index 000000000..20fa6f8cd --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/main.cpp @@ -0,0 +1,51 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "mainwindow.h" +#include <QApplication> +#include <QUrl> + +int main(int argc, char *argv[]) +{ + QApplication a(argc, argv); + MainWindow w; + QStringList args = a.arguments(); + w.show(); + if (args.length() > 1) + w.open(QUrl::fromLocalFile(args[1])); + + return a.exec(); +} diff --git a/examples/pdfwidgets/pdfviewer/mainwindow.cpp b/examples/pdfwidgets/pdfviewer/mainwindow.cpp new file mode 100644 index 000000000..5f9bf389f --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/mainwindow.cpp @@ -0,0 +1,162 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "mainwindow.h" +#include "ui_mainwindow.h" + +#include "pageselector.h" +#include "zoomselector.h" + +#include <QFileDialog> +#include <QMessageBox> +#include <QPdfBookmarkModel> +#include <QPdfDocument> +#include <QPdfPageNavigation> +#include <QtMath> + +const qreal zoomMultiplier = qSqrt(2.0); + +Q_LOGGING_CATEGORY(lcExample, "qt.examples.pdfviewer") + +MainWindow::MainWindow(QWidget *parent) + : QMainWindow(parent) + , ui(new Ui::MainWindow) + , m_zoomSelector(new ZoomSelector(this)) + , m_pageSelector(new PageSelector(this)) + , m_document(new QPdfDocument(this)) +{ + ui->setupUi(this); + + m_zoomSelector->setMaximumWidth(150); + ui->mainToolBar->insertWidget(ui->actionZoom_In, m_zoomSelector); + + m_pageSelector->setMaximumWidth(150); + ui->mainToolBar->addWidget(m_pageSelector); + + m_pageSelector->setPageNavigation(ui->pdfView->pageNavigation()); + + connect(m_zoomSelector, &ZoomSelector::zoomModeChanged, ui->pdfView, &QPdfView::setZoomMode); + connect(m_zoomSelector, &ZoomSelector::zoomFactorChanged, ui->pdfView, &QPdfView::setZoomFactor); + m_zoomSelector->reset(); + + QPdfBookmarkModel *bookmarkModel = new QPdfBookmarkModel(this); + bookmarkModel->setDocument(m_document); + + ui->bookmarkView->setModel(bookmarkModel); + connect(ui->bookmarkView, SIGNAL(activated(QModelIndex)), this, SLOT(bookmarkSelected(QModelIndex))); + + ui->tabWidget->setTabEnabled(1, false); // disable 'Pages' tab for now + + ui->pdfView->setDocument(m_document); + + connect(ui->pdfView, &QPdfView::zoomFactorChanged, + m_zoomSelector, &ZoomSelector::setZoomFactor); +} + +MainWindow::~MainWindow() +{ + delete ui; +} + +void MainWindow::open(const QUrl &docLocation) +{ + if (docLocation.isLocalFile()) { + m_document->load(docLocation.toLocalFile()); + const auto documentTitle = m_document->metaData(QPdfDocument::Title).toString(); + setWindowTitle(!documentTitle.isEmpty() ? documentTitle : QStringLiteral("PDF Viewer")); + } else { + qCDebug(lcExample) << docLocation << "is not a valid local file"; + QMessageBox::critical(this, tr("Failed to open"), tr("%1 is not a valid local file").arg(docLocation.toString())); + } + qCDebug(lcExample) << docLocation; +} + +void MainWindow::bookmarkSelected(const QModelIndex &index) +{ + if (!index.isValid()) + return; + + const int page = index.data(QPdfBookmarkModel::PageNumberRole).toInt(); + ui->pdfView->pageNavigation()->setCurrentPage(page); +} + +void MainWindow::on_actionOpen_triggered() +{ + QUrl toOpen = QFileDialog::getOpenFileUrl(this, tr("Choose a PDF"), QUrl(), "Portable Documents (*.pdf)"); + if (toOpen.isValid()) + open(toOpen); +} + +void MainWindow::on_actionQuit_triggered() +{ + QApplication::quit(); +} + +void MainWindow::on_actionAbout_triggered() +{ + QMessageBox::about(this, tr("About PdfViewer"), + tr("An example using QPdfDocument")); +} + +void MainWindow::on_actionAbout_Qt_triggered() +{ + QMessageBox::aboutQt(this); +} + +void MainWindow::on_actionZoom_In_triggered() +{ + ui->pdfView->setZoomFactor(ui->pdfView->zoomFactor() * zoomMultiplier); +} + +void MainWindow::on_actionZoom_Out_triggered() +{ + ui->pdfView->setZoomFactor(ui->pdfView->zoomFactor() / zoomMultiplier); +} + +void MainWindow::on_actionPrevious_Page_triggered() +{ + ui->pdfView->pageNavigation()->goToPreviousPage(); +} + +void MainWindow::on_actionNext_Page_triggered() +{ + ui->pdfView->pageNavigation()->goToNextPage(); +} + +void MainWindow::on_actionContinuous_triggered() +{ + ui->pdfView->setPageMode(ui->actionContinuous->isChecked() ? QPdfView::MultiPage : QPdfView::SinglePage); +} diff --git a/examples/pdfwidgets/pdfviewer/mainwindow.h b/examples/pdfwidgets/pdfviewer/mainwindow.h new file mode 100644 index 000000000..afdfcade4 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/mainwindow.h @@ -0,0 +1,90 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef MAINWINDOW_H +#define MAINWINDOW_H + +#include <QLoggingCategory> +#include <QMainWindow> + +Q_DECLARE_LOGGING_CATEGORY(lcExample) + +QT_BEGIN_NAMESPACE +namespace Ui { +class MainWindow; +} + +class QPdfDocument; +class QPdfView; +QT_END_NAMESPACE + +class PageSelector; +class ZoomSelector; + +class MainWindow : public QMainWindow +{ + Q_OBJECT + +public: + explicit MainWindow(QWidget *parent = nullptr); + ~MainWindow(); + +public slots: + void open(const QUrl &docLocation); + +private slots: + void bookmarkSelected(const QModelIndex &index); + + // action handlers + void on_actionOpen_triggered(); + void on_actionQuit_triggered(); + void on_actionAbout_triggered(); + void on_actionAbout_Qt_triggered(); + void on_actionZoom_In_triggered(); + void on_actionZoom_Out_triggered(); + void on_actionPrevious_Page_triggered(); + void on_actionNext_Page_triggered(); + void on_actionContinuous_triggered(); + +private: + Ui::MainWindow *ui; + ZoomSelector *m_zoomSelector; + PageSelector *m_pageSelector; + + QPdfDocument *m_document; +}; + +#endif // MAINWINDOW_H diff --git a/examples/pdfwidgets/pdfviewer/mainwindow.ui b/examples/pdfwidgets/pdfviewer/mainwindow.ui new file mode 100644 index 000000000..2651525a5 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/mainwindow.ui @@ -0,0 +1,281 @@ +<?xml version="1.0" encoding="UTF-8"?> +<ui version="4.0"> + <class>MainWindow</class> + <widget class="QMainWindow" name="MainWindow"> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>700</width> + <height>600</height> + </rect> + </property> + <property name="windowTitle"> + <string>PDF Viewer</string> + </property> + <property name="unifiedTitleAndToolBarOnMac"> + <bool>true</bool> + </property> + <widget class="QWidget" name="centralWidget"> + <layout class="QVBoxLayout" name="verticalLayout"> + <property name="spacing"> + <number>0</number> + </property> + <property name="leftMargin"> + <number>0</number> + </property> + <property name="topMargin"> + <number>0</number> + </property> + <property name="rightMargin"> + <number>0</number> + </property> + <property name="bottomMargin"> + <number>0</number> + </property> + <item> + <widget class="QWidget" name="widget" native="true"> + <layout class="QVBoxLayout" name="verticalLayout_2"> + <property name="spacing"> + <number>0</number> + </property> + <property name="leftMargin"> + <number>0</number> + </property> + <property name="topMargin"> + <number>0</number> + </property> + <property name="rightMargin"> + <number>0</number> + </property> + <property name="bottomMargin"> + <number>0</number> + </property> + <item> + <widget class="QSplitter" name="splitter"> + <property name="orientation"> + <enum>Qt::Horizontal</enum> + </property> + <widget class="QTabWidget" name="tabWidget"> + <property name="sizePolicy"> + <sizepolicy hsizetype="Preferred" vsizetype="Expanding"> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="tabPosition"> + <enum>QTabWidget::West</enum> + </property> + <property name="currentIndex"> + <number>0</number> + </property> + <property name="documentMode"> + <bool>false</bool> + </property> + <widget class="QWidget" name="bookmarkTab"> + <attribute name="title"> + <string>Bookmarks</string> + </attribute> + <layout class="QVBoxLayout" name="verticalLayout_3"> + <property name="spacing"> + <number>0</number> + </property> + <property name="leftMargin"> + <number>2</number> + </property> + <property name="topMargin"> + <number>2</number> + </property> + <property name="rightMargin"> + <number>2</number> + </property> + <property name="bottomMargin"> + <number>2</number> + </property> + <item> + <widget class="QTreeView" name="bookmarkView"> + <property name="sizePolicy"> + <sizepolicy hsizetype="Preferred" vsizetype="Expanding"> + <horstretch>0</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + <property name="headerHidden"> + <bool>true</bool> + </property> + </widget> + </item> + </layout> + </widget> + <widget class="QWidget" name="pagesTab"> + <attribute name="title"> + <string>Pages</string> + </attribute> + </widget> + </widget> + <widget class="QPdfView" name="pdfView" native="true"> + <property name="sizePolicy"> + <sizepolicy hsizetype="Expanding" vsizetype="Expanding"> + <horstretch>10</horstretch> + <verstretch>0</verstretch> + </sizepolicy> + </property> + </widget> + </widget> + </item> + </layout> + </widget> + </item> + </layout> + </widget> + <widget class="QMenuBar" name="menuBar"> + <property name="geometry"> + <rect> + <x>0</x> + <y>0</y> + <width>700</width> + <height>22</height> + </rect> + </property> + <widget class="QMenu" name="menuFile"> + <property name="title"> + <string>File</string> + </property> + <addaction name="actionOpen"/> + <addaction name="actionQuit"/> + </widget> + <widget class="QMenu" name="menuHelp"> + <property name="title"> + <string>Help</string> + </property> + <addaction name="actionAbout"/> + <addaction name="actionAbout_Qt"/> + </widget> + <widget class="QMenu" name="menuView"> + <property name="title"> + <string>View</string> + </property> + <addaction name="actionZoom_In"/> + <addaction name="actionZoom_Out"/> + <addaction name="actionPrevious_Page"/> + <addaction name="actionNext_Page"/> + <addaction name="separator"/> + <addaction name="actionContinuous"/> + </widget> + <addaction name="menuFile"/> + <addaction name="menuView"/> + <addaction name="menuHelp"/> + </widget> + <widget class="QToolBar" name="mainToolBar"> + <property name="movable"> + <bool>false</bool> + </property> + <property name="floatable"> + <bool>false</bool> + </property> + <attribute name="toolBarArea"> + <enum>TopToolBarArea</enum> + </attribute> + <attribute name="toolBarBreak"> + <bool>false</bool> + </attribute> + <addaction name="actionOpen"/> + <addaction name="separator"/> + <addaction name="actionZoom_Out"/> + <addaction name="actionZoom_In"/> + <addaction name="separator"/> + </widget> + <widget class="QStatusBar" name="statusBar"/> + <action name="actionOpen"> + <property name="icon"> + <iconset resource="resources.qrc"> + <normaloff>:/icons/images/fileopen.png</normaloff>:/icons/images/fileopen.png</iconset> + </property> + <property name="text"> + <string>Open...</string> + </property> + <property name="shortcut"> + <string>Ctrl+O</string> + </property> + </action> + <action name="actionQuit"> + <property name="text"> + <string>Quit</string> + </property> + <property name="shortcut"> + <string>Ctrl+Q</string> + </property> + </action> + <action name="actionAbout"> + <property name="text"> + <string>About</string> + </property> + </action> + <action name="actionAbout_Qt"> + <property name="text"> + <string>About Qt</string> + </property> + </action> + <action name="actionZoom_In"> + <property name="icon"> + <iconset resource="resources.qrc"> + <normaloff>:/icons/images/zoom-in-24.png</normaloff>:/icons/images/zoom-in-24.png</iconset> + </property> + <property name="text"> + <string>Zoom In</string> + </property> + <property name="shortcut"> + <string>Ctrl+=</string> + </property> + </action> + <action name="actionZoom_Out"> + <property name="icon"> + <iconset resource="resources.qrc"> + <normaloff>:/icons/images/zoom-out-24.png</normaloff>:/icons/images/zoom-out-24.png</iconset> + </property> + <property name="text"> + <string>Zoom Out</string> + </property> + <property name="shortcut"> + <string>Ctrl+-</string> + </property> + </action> + <action name="actionPrevious_Page"> + <property name="text"> + <string>Previous Page</string> + </property> + <property name="shortcut"> + <string>PgUp</string> + </property> + </action> + <action name="actionNext_Page"> + <property name="text"> + <string>Next Page</string> + </property> + <property name="shortcut"> + <string>PgDown</string> + </property> + </action> + <action name="actionContinuous"> + <property name="checkable"> + <bool>true</bool> + </property> + <property name="text"> + <string>Continuous</string> + </property> + </action> + </widget> + <layoutdefault spacing="6" margin="11"/> + <customwidgets> + <customwidget> + <class>QPdfView</class> + <extends>QWidget</extends> + <header location="global">qpdfview.h</header> + <container>1</container> + </customwidget> + </customwidgets> + <resources> + <include location="resources.qrc"/> + </resources> + <connections/> +</ui> diff --git a/examples/pdfwidgets/pdfviewer/pageselector.cpp b/examples/pdfwidgets/pdfviewer/pageselector.cpp new file mode 100644 index 000000000..cd3c4ba0e --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/pageselector.cpp @@ -0,0 +1,111 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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)); +} diff --git a/examples/pdfwidgets/pdfviewer/pageselector.h b/examples/pdfwidgets/pdfviewer/pageselector.h new file mode 100644 index 000000000..7a7283f99 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/pageselector.h @@ -0,0 +1,72 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef PAGESELECTOR_H +#define PAGESELECTOR_H + +#include <QWidget> + +QT_BEGIN_NAMESPACE +class QLabel; +class QLineEdit; +class QPdfDocument; +class QPdfPageNavigation; +class QToolButton; +QT_END_NAMESPACE + +class PageSelector : public QWidget +{ + Q_OBJECT + +public: + explicit PageSelector(QWidget *parent = nullptr); + + void setPageNavigation(QPdfPageNavigation *pageNavigation); + +private slots: + void onCurrentPageChanged(int page); + void pageNumberEdited(); + +private: + QPdfPageNavigation *m_pageNavigation; + + QLineEdit *m_pageNumberEdit; + QLabel *m_pageCountLabel; + QToolButton *m_previousPageButton; + QToolButton *m_nextPageButton; +}; + +#endif // PAGESELECTOR_H diff --git a/examples/pdfwidgets/pdfviewer/pdfviewer.pro b/examples/pdfwidgets/pdfviewer/pdfviewer.pro new file mode 100644 index 000000000..ad0607ea5 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/pdfviewer.pro @@ -0,0 +1,23 @@ +TEMPLATE = app +TARGET = pdfviewer +QT += core gui widgets pdfwidgets + +SOURCES += \ + main.cpp \ + mainwindow.cpp \ + pageselector.cpp \ + zoomselector.cpp + +HEADERS += \ + mainwindow.h \ + pageselector.h \ + zoomselector.h + +FORMS += \ + mainwindow.ui + +RESOURCES += \ + resources.qrc + +target.path = $$[QT_INSTALL_EXAMPLES]/pdfwidgets/pdfviewer +INSTALLS += target diff --git a/examples/pdfwidgets/pdfviewer/resources.qrc b/examples/pdfwidgets/pdfviewer/resources.qrc new file mode 100644 index 000000000..02d9655b4 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/resources.qrc @@ -0,0 +1,12 @@ +<RCC> + <qresource prefix="/icons"> + <file>images/fileopen.png</file> + <file>images/go-next-24.png</file> + <file>images/go-previous-24.png</file> + <file>images/zoom-in-24.png</file> + <file>images/zoom-in-32.png</file> + <file>images/zoom-out-24.png</file> + <file>images/zoom-out-32.png</file> + <file>images/busy.png</file> + </qresource> +</RCC> diff --git a/examples/pdfwidgets/pdfviewer/zoomselector.cpp b/examples/pdfwidgets/pdfviewer/zoomselector.cpp new file mode 100644 index 000000000..0205489aa --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/zoomselector.cpp @@ -0,0 +1,97 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "zoomselector.h" + +#include <QLineEdit> + +ZoomSelector::ZoomSelector(QWidget *parent) + : QComboBox(parent) +{ + setEditable(true); + + addItem(QLatin1String("Fit Width")); + addItem(QLatin1String("Fit Page")); + addItem(QLatin1String("12%")); + addItem(QLatin1String("25%")); + addItem(QLatin1String("33%")); + addItem(QLatin1String("50%")); + addItem(QLatin1String("66%")); + addItem(QLatin1String("75%")); + addItem(QLatin1String("100%")); + addItem(QLatin1String("125%")); + addItem(QLatin1String("150%")); + addItem(QLatin1String("200%")); + addItem(QLatin1String("400%")); + + connect(this, static_cast<void(QComboBox::*)(const QString &)>(&QComboBox::currentIndexChanged), + this, &ZoomSelector::onCurrentTextChanged); + + connect(lineEdit(), &QLineEdit::editingFinished, + this, [this](){onCurrentTextChanged(lineEdit()->text()); }); +} + +void ZoomSelector::setZoomFactor(qreal zoomFactor) +{ + setCurrentText(QString::number(qRound(zoomFactor * 100)) + QLatin1String("%")); +} + +void ZoomSelector::reset() +{ + setCurrentIndex(8); // 100% +} + +void ZoomSelector::onCurrentTextChanged(const QString &text) +{ + if (text == QLatin1String("Fit Width")) { + emit zoomModeChanged(QPdfView::FitToWidth); + } else if (text == QLatin1String("Fit Page")) { + emit zoomModeChanged(QPdfView::FitInView); + } else { + qreal factor = 1.0; + + QString withoutPercent(text); + withoutPercent.remove(QLatin1Char('%')); + + bool ok = false; + const int zoomLevel = withoutPercent.toInt(&ok); + if (ok) + factor = zoomLevel / 100.0; + + emit zoomModeChanged(QPdfView::CustomZoom); + emit zoomFactorChanged(factor); + } +} diff --git a/examples/pdfwidgets/pdfviewer/zoomselector.h b/examples/pdfwidgets/pdfviewer/zoomselector.h new file mode 100644 index 000000000..c58d09970 --- /dev/null +++ b/examples/pdfwidgets/pdfviewer/zoomselector.h @@ -0,0 +1,63 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). +** Contact: http://www.qt.io/licensing/ +** +** This file is part of the QtPDF module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL3$ +** 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 http://www.qt.io/terms-conditions. For further +** information use the contact form at http://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or later 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 2.0 requirements will be +** met: http://www.gnu.org/licenses/gpl-2.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef ZOOMSELECTOR_H +#define ZOOMSELECTOR_H + +#include <QComboBox> +#include <QPdfView> + +class ZoomSelector : public QComboBox +{ + Q_OBJECT + +public: + explicit ZoomSelector(QWidget *parent = nullptr); + +public slots: + void setZoomFactor(qreal zoomFactor); + + void reset(); + +signals: + void zoomModeChanged(QPdfView::ZoomMode zoomMode); + void zoomFactorChanged(qreal zoomFactor); + +private slots: + void onCurrentTextChanged(const QString &text); +}; + +#endif // ZOOMSELECTOR_H diff --git a/examples/pdfwidgets/pdfwidgets.pro b/examples/pdfwidgets/pdfwidgets.pro new file mode 100644 index 000000000..a12dc5b86 --- /dev/null +++ b/examples/pdfwidgets/pdfwidgets.pro @@ -0,0 +1,2 @@ +TEMPLATE = subdirs +SUBDIRS += pdfviewer |
