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-rw-r--r--examples/pdfwidgets/pdfviewer/mainwindow.cpp176
1 files changed, 101 insertions, 75 deletions
diff --git a/examples/pdfwidgets/pdfviewer/mainwindow.cpp b/examples/pdfwidgets/pdfviewer/mainwindow.cpp
index 25bdaf25e..ce19359fc 100644
--- a/examples/pdfwidgets/pdfviewer/mainwindow.cpp
+++ b/examples/pdfwidgets/pdfviewer/mainwindow.cpp
@@ -1,64 +1,22 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include "mainwindow.h"
#include "ui_mainwindow.h"
+#include "searchresultdelegate.h"
#include "zoomselector.h"
#include <QFileDialog>
+#include <QLineEdit>
#include <QMessageBox>
-#include <QSpinBox>
#include <QPdfBookmarkModel>
#include <QPdfDocument>
-#include <QPdfNavigationStack>
+#include <QPdfPageNavigator>
+#include <QPdfPageSelector>
+#include <QPdfSearchModel>
+#include <QShortcut>
+#include <QStandardPaths>
#include <QtMath>
const qreal zoomMultiplier = qSqrt(2.0);
@@ -69,7 +27,9 @@ MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, ui(new Ui::MainWindow)
, m_zoomSelector(new ZoomSelector(this))
- , m_pageSelector(new QSpinBox(this))
+ , m_pageSelector(new QPdfPageSelector(this))
+ , m_searchModel(new QPdfSearchModel(this))
+ , m_searchField(new QLineEdit(this))
, m_document(new QPdfDocument(this))
{
ui->setupUi(this);
@@ -78,11 +38,12 @@ MainWindow::MainWindow(QWidget *parent)
ui->mainToolBar->insertWidget(ui->actionZoom_In, m_zoomSelector);
ui->mainToolBar->insertWidget(ui->actionForward, m_pageSelector);
- connect(m_pageSelector, &QSpinBox::valueChanged, this, &MainWindow::pageSelected);
- auto nav = ui->pdfView->pageNavigation();
- connect(nav, &QPdfNavigationStack::currentPageChanged, m_pageSelector, &QSpinBox::setValue);
- connect(nav, &QPdfNavigationStack::backAvailableChanged, ui->actionBack, &QAction::setEnabled);
- connect(nav, &QPdfNavigationStack::forwardAvailableChanged, ui->actionForward, &QAction::setEnabled);
+ connect(m_pageSelector, &QPdfPageSelector::currentPageChanged, this, &MainWindow::pageSelected);
+ m_pageSelector->setDocument(m_document);
+ auto nav = ui->pdfView->pageNavigator();
+ connect(nav, &QPdfPageNavigator::currentPageChanged, m_pageSelector, &QPdfPageSelector::setCurrentPage);
+ connect(nav, &QPdfPageNavigator::backAvailableChanged, ui->actionBack, &QAction::setEnabled);
+ connect(nav, &QPdfPageNavigator::forwardAvailableChanged, ui->actionForward, &QAction::setEnabled);
connect(m_zoomSelector, &ZoomSelector::zoomModeChanged, ui->pdfView, &QPdfView::setZoomMode);
connect(m_zoomSelector, &ZoomSelector::zoomFactorChanged, ui->pdfView, &QPdfView::setZoomFactor);
@@ -92,9 +53,26 @@ MainWindow::MainWindow(QWidget *parent)
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
+ connect(ui->bookmarkView, &QAbstractItemView::activated, this, &MainWindow::bookmarkSelected);
+
+ ui->thumbnailsView->setModel(m_document->pageModel());
+
+ m_searchModel->setDocument(m_document);
+ ui->pdfView->setSearchModel(m_searchModel);
+ ui->searchToolBar->insertWidget(ui->actionFindPrevious, m_searchField);
+ connect(new QShortcut(QKeySequence::Find, this), &QShortcut::activated, this, [this]() {
+ m_searchField->setFocus(Qt::ShortcutFocusReason);
+ });
+ m_searchField->setPlaceholderText(tr("Find in document"));
+ m_searchField->setMaximumWidth(400);
+ connect(m_searchField, &QLineEdit::textEdited, this, [this](const QString &text) {
+ m_searchModel->setSearchString(text);
+ ui->tabWidget->setCurrentWidget(ui->searchResultsTab);
+ });
+ ui->searchResultsView->setModel(m_searchModel);
+ ui->searchResultsView->setItemDelegate(new SearchResultDelegate(this));
+ connect(ui->searchResultsView->selectionModel(), &QItemSelectionModel::currentChanged,
+ this, &MainWindow::searchResultSelected);
ui->pdfView->setDocument(m_document);
@@ -111,13 +89,11 @@ 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"));
pageSelected(0);
- m_pageSelector->setMaximum(m_document->pageCount() - 1);
} 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()));
+ const QString message = tr("%1 is not a valid local file").arg(docLocation.toString());
+ qCDebug(lcExample).noquote() << message;
+ QMessageBox::critical(this, tr("Failed to open"), message);
}
qCDebug(lcExample) << docLocation;
}
@@ -129,20 +105,46 @@ void MainWindow::bookmarkSelected(const QModelIndex &index)
const int page = index.data(int(QPdfBookmarkModel::Role::Page)).toInt();
const qreal zoomLevel = index.data(int(QPdfBookmarkModel::Role::Level)).toReal();
- ui->pdfView->pageNavigation()->jump(page, {}, zoomLevel);
+ ui->pdfView->pageNavigator()->jump(page, {}, zoomLevel);
}
void MainWindow::pageSelected(int page)
{
- auto nav = ui->pdfView->pageNavigation();
+ auto nav = ui->pdfView->pageNavigator();
nav->jump(page, {}, nav->currentZoom());
+ const auto documentTitle = m_document->metaData(QPdfDocument::MetaDataField::Title).toString();
+ setWindowTitle(!documentTitle.isEmpty() ? documentTitle : QStringLiteral("PDF Viewer"));
+ setWindowTitle(tr("%1: page %2 (%3 of %4)")
+ .arg(documentTitle.isEmpty() ? u"PDF Viewer"_qs : documentTitle,
+ m_pageSelector->currentPageLabel(), QString::number(page + 1), QString::number(m_document->pageCount())));
+}
+
+void MainWindow::searchResultSelected(const QModelIndex &current, const QModelIndex &previous)
+{
+ Q_UNUSED(previous);
+ if (!current.isValid())
+ return;
+
+ const int page = current.data(int(QPdfSearchModel::Role::Page)).toInt();
+ const QPointF location = current.data(int(QPdfSearchModel::Role::Location)).toPointF();
+ ui->pdfView->pageNavigator()->jump(page, location);
+ ui->pdfView->setCurrentSearchResultIndex(current.row());
}
void MainWindow::on_actionOpen_triggered()
{
- QUrl toOpen = QFileDialog::getOpenFileUrl(this, tr("Choose a PDF"), QUrl(), "Portable Documents (*.pdf)");
- if (toOpen.isValid())
- open(toOpen);
+ if (m_fileDialog == nullptr) {
+ m_fileDialog = new QFileDialog(this, tr("Choose a PDF"),
+ QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation));
+ m_fileDialog->setAcceptMode(QFileDialog::AcceptOpen);
+ m_fileDialog->setMimeTypeFilters({"application/pdf"});
+ }
+
+ if (m_fileDialog->exec() == QDialog::Accepted) {
+ const QUrl toOpen = m_fileDialog->selectedUrls().constFirst();
+ if (toOpen.isValid())
+ open(toOpen);
+ }
}
void MainWindow::on_actionQuit_triggered()
@@ -173,27 +175,51 @@ void MainWindow::on_actionZoom_Out_triggered()
void MainWindow::on_actionPrevious_Page_triggered()
{
- auto nav = ui->pdfView->pageNavigation();
+ auto nav = ui->pdfView->pageNavigator();
nav->jump(nav->currentPage() - 1, {}, nav->currentZoom());
}
void MainWindow::on_actionNext_Page_triggered()
{
- auto nav = ui->pdfView->pageNavigation();
+ auto nav = ui->pdfView->pageNavigator();
nav->jump(nav->currentPage() + 1, {}, nav->currentZoom());
}
+void MainWindow::on_thumbnailsView_activated(const QModelIndex &index)
+{
+ auto nav = ui->pdfView->pageNavigator();
+ nav->jump(index.row(), {}, nav->currentZoom());
+}
+
void MainWindow::on_actionContinuous_triggered()
{
- ui->pdfView->setPageMode(ui->actionContinuous->isChecked() ? QPdfView::MultiPage : QPdfView::SinglePage);
+ ui->pdfView->setPageMode(ui->actionContinuous->isChecked() ?
+ QPdfView::PageMode::MultiPage :
+ QPdfView::PageMode::SinglePage);
}
void MainWindow::on_actionBack_triggered()
{
- ui->pdfView->pageNavigation()->back();
+ ui->pdfView->pageNavigator()->back();
}
void MainWindow::on_actionForward_triggered()
{
- ui->pdfView->pageNavigation()->forward();
+ ui->pdfView->pageNavigator()->forward();
+}
+
+void MainWindow::on_actionFindNext_triggered()
+{
+ int next = ui->searchResultsView->currentIndex().row() + 1;
+ if (next >= m_searchModel->rowCount({}))
+ next = 0;
+ ui->searchResultsView->setCurrentIndex(m_searchModel->index(next));
+}
+
+void MainWindow::on_actionFindPrevious_triggered()
+{
+ int prev = ui->searchResultsView->currentIndex().row() - 1;
+ if (prev < 0)
+ prev = m_searchModel->rowCount({}) - 1;
+ ui->searchResultsView->setCurrentIndex(m_searchModel->index(prev));
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-30 11:36:17 +0000