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-rw-r--r--examples/pdfwidgets/pdfviewer/mainwindow.cpp17
-rw-r--r--examples/pdfwidgets/pdfviewer/mainwindow.h3
-rw-r--r--src/pdf/qpdfdocument.cpp17
-rw-r--r--src/pdf/qpdfdocument.h1
-rw-r--r--src/pdfwidgets/CMakeLists.txt1
-rw-r--r--src/pdfwidgets/qpdfpageselector.cpp105
-rw-r--r--src/pdfwidgets/qpdfpageselector.h44
-rw-r--r--src/pdfwidgets/qpdfpageselector_p.h42
8 files changed, 222 insertions, 8 deletions
diff --git a/examples/pdfwidgets/pdfviewer/mainwindow.cpp b/examples/pdfwidgets/pdfviewer/mainwindow.cpp
index 02caffa48..d7527a8d5 100644
--- a/examples/pdfwidgets/pdfviewer/mainwindow.cpp
+++ b/examples/pdfwidgets/pdfviewer/mainwindow.cpp
@@ -8,10 +8,10 @@
#include <QFileDialog>
#include <QMessageBox>
-#include <QSpinBox>
#include <QPdfBookmarkModel>
#include <QPdfDocument>
#include <QPdfPageNavigator>
+#include <QPdfPageSelector>
#include <QStandardPaths>
#include <QtMath>
@@ -23,7 +23,7 @@ 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_document(new QPdfDocument(this))
{
ui->setupUi(this);
@@ -32,9 +32,10 @@ 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);
+ connect(m_pageSelector, &QPdfPageSelector::valueChanged, this, &MainWindow::pageSelected);
+ m_pageSelector->setDocument(m_document);
auto nav = ui->pdfView->pageNavigator();
- connect(nav, &QPdfPageNavigator::currentPageChanged, m_pageSelector, &QSpinBox::setValue);
+ connect(nav, &QPdfPageNavigator::currentPageChanged, m_pageSelector, &QPdfPageSelector::setValue);
connect(nav, &QPdfPageNavigator::backAvailableChanged, ui->actionBack, &QAction::setEnabled);
connect(nav, &QPdfPageNavigator::forwardAvailableChanged, ui->actionForward, &QAction::setEnabled);
@@ -65,10 +66,7 @@ void MainWindow::open(const QUrl &docLocation)
{
if (docLocation.isLocalFile()) {
m_document->load(docLocation.toLocalFile());
- const auto documentTitle = m_document->metaData(QPdfDocument::MetaDataField::Title).toString();
- setWindowTitle(!documentTitle.isEmpty() ? documentTitle : QStringLiteral("PDF Viewer"));
pageSelected(0);
- m_pageSelector->setMaximum(m_document->pageCount() - 1);
} else {
const QString message = tr("%1 is not a valid local file").arg(docLocation.toString());
qCDebug(lcExample).noquote() << message;
@@ -91,6 +89,11 @@ void MainWindow::pageSelected(int page)
{
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->text(), QString::number(page + 1), QString::number(m_document->pageCount())));
}
void MainWindow::on_actionOpen_triggered()
diff --git a/examples/pdfwidgets/pdfviewer/mainwindow.h b/examples/pdfwidgets/pdfviewer/mainwindow.h
index 958e11061..2827fb2b6 100644
--- a/examples/pdfwidgets/pdfviewer/mainwindow.h
+++ b/examples/pdfwidgets/pdfviewer/mainwindow.h
@@ -16,6 +16,7 @@ class MainWindow;
class QFileDialog;
class QPdfDocument;
+class QPdfPageSelector;
class QPdfView;
class QSpinBox;
QT_END_NAMESPACE
@@ -53,7 +54,7 @@ private slots:
private:
Ui::MainWindow *ui;
ZoomSelector *m_zoomSelector;
- QSpinBox *m_pageSelector;
+ QPdfPageSelector *m_pageSelector;
QFileDialog *m_fileDialog = nullptr;
QPdfDocument *m_document;
diff --git a/src/pdf/qpdfdocument.cpp b/src/pdf/qpdfdocument.cpp
index 268389f4a..a6aed4bfe 100644
--- a/src/pdf/qpdfdocument.cpp
+++ b/src/pdf/qpdfdocument.cpp
@@ -783,6 +783,8 @@ QAbstractListModel *QPdfDocument::pageModel()
If the document does not have custom page numbering, this function returns
\c {page + 1}.
+
+ \sa pageIndexForLabel()
*/
QString QPdfDocument::pageLabel(int page)
{
@@ -797,6 +799,21 @@ QString QPdfDocument::pageLabel(int page)
}
/*!
+ Returns the index of the page that has the \a label, or \c -1 if not found.
+
+ \sa pageLabel()
+*/
+int QPdfDocument::pageIndexForLabel(const QString &label)
+{
+ const auto trimmed = label.trimmed();
+ for (int i = 0; i < d->pageCount; ++i) {
+ if (pageLabel(i) == trimmed)
+ return i;
+ }
+ return -1;
+}
+
+/*!
Renders the \a page into a QImage of size \a imageSize according to the
provided \a renderOptions.
diff --git a/src/pdf/qpdfdocument.h b/src/pdf/qpdfdocument.h
index 5f55ed29c..8355246ae 100644
--- a/src/pdf/qpdfdocument.h
+++ b/src/pdf/qpdfdocument.h
@@ -89,6 +89,7 @@ public:
Q_INVOKABLE QSizeF pagePointSize(int page) const;
Q_INVOKABLE QString pageLabel(int page);
+ Q_INVOKABLE int pageIndexForLabel(const QString &label);
QAbstractListModel *pageModel();
diff --git a/src/pdfwidgets/CMakeLists.txt b/src/pdfwidgets/CMakeLists.txt
index d374315e3..592409b66 100644
--- a/src/pdfwidgets/CMakeLists.txt
+++ b/src/pdfwidgets/CMakeLists.txt
@@ -5,6 +5,7 @@ find_package(Qt6 ${PROJECT_VERSION} CONFIG REQUIRED COMPONENTS Core Gui Widgets)
qt_internal_add_module(PdfWidgets
SOURCES
+ qpdfpageselector.cpp qpdfpageselector.h qpdfpageselector_p.h
qpdfview.cpp qpdfview.h qpdfview_p.h
qtpdfwidgetsglobal.h
LIBRARIES
diff --git a/src/pdfwidgets/qpdfpageselector.cpp b/src/pdfwidgets/qpdfpageselector.cpp
new file mode 100644
index 000000000..72ab28355
--- /dev/null
+++ b/src/pdfwidgets/qpdfpageselector.cpp
@@ -0,0 +1,105 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#include "qpdfpageselector.h"
+#include "qpdfpageselector_p.h"
+
+#include <QPdfDocument>
+
+QT_BEGIN_NAMESPACE
+
+QPdfPageSelectorPrivate::QPdfPageSelectorPrivate(QPdfPageSelector *q)
+ : q_ptr(q)
+{
+}
+
+void QPdfPageSelectorPrivate::documentStatusChanged()
+{
+ Q_Q(QPdfPageSelector);
+ if (!document.isNull() && document->status() == QPdfDocument::Status::Ready) {
+ q->setMaximum(document->pageCount());
+ q->setValue(0);
+ }
+}
+
+/*!
+ \class QPdfPageSelector
+ \inmodule QtPdf
+ \brief A QSpinBox for selecting a PDF page.
+
+ QPdfPageSelector is a QSpinBox specialized for selecting a page label
+ from a QPdfDocument.
+
+ \sa QPdfDocument::pageLabel()
+*/
+
+/*!
+ Constructs a PDF page selector with parent widget \a parent.
+*/
+QPdfPageSelector::QPdfPageSelector(QWidget *parent)
+ : QSpinBox(parent)
+ , d_ptr(new QPdfPageSelectorPrivate(this))
+{
+}
+
+/*!
+ Destroys the page selector.
+*/
+QPdfPageSelector::~QPdfPageSelector()
+{
+}
+
+/*!
+ \property QPdfPageSelector::document
+
+ This property holds the document to be viewed.
+*/
+void QPdfPageSelector::setDocument(QPdfDocument *document)
+{
+ Q_D(QPdfPageSelector);
+
+ if (d->document == document)
+ return;
+
+ if (d->document)
+ disconnect(d->documentStatusChangedConnection);
+
+ d->document = document;
+ emit documentChanged(d->document);
+
+ if (d->document)
+ d->documentStatusChangedConnection =
+ connect(d->document.data(), &QPdfDocument::statusChanged, this,
+ [d](){ d->documentStatusChanged(); });
+
+ d->documentStatusChanged();
+}
+
+QPdfDocument *QPdfPageSelector::document() const
+{
+ Q_D(const QPdfPageSelector);
+
+ return d->document;
+}
+
+int QPdfPageSelector::valueFromText(const QString &text) const
+{
+ Q_D(const QPdfPageSelector);
+ if (d->document.isNull())
+ return 0;
+
+ return d->document->pageIndexForLabel(text);
+}
+
+QString QPdfPageSelector::textFromValue(int value) const
+{
+ Q_D(const QPdfPageSelector);
+ if (d->document.isNull())
+ return {};
+
+ return d->document->pageLabel(value);
+}
+
+QT_END_NAMESPACE
+
+#include "moc_qpdfpageselector.cpp"
diff --git a/src/pdfwidgets/qpdfpageselector.h b/src/pdfwidgets/qpdfpageselector.h
new file mode 100644
index 000000000..bc2e352f7
--- /dev/null
+++ b/src/pdfwidgets/qpdfpageselector.h
@@ -0,0 +1,44 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QPDFPAGESELECTOR_H
+#define QPDFPAGESELECTOR_H
+
+#include <QtPdfWidgets/qtpdfwidgetsglobal.h>
+#include <QtWidgets/qspinbox.h>
+
+QT_BEGIN_NAMESPACE
+
+class QPdfDocument;
+class QPdfPageNavigator;
+class QPdfPageSelectorPrivate;
+
+class Q_PDF_WIDGETS_EXPORT QPdfPageSelector : public QSpinBox
+{
+ Q_OBJECT
+
+ Q_PROPERTY(QPdfDocument* document READ document WRITE setDocument NOTIFY documentChanged)
+
+public:
+ QPdfPageSelector() : QPdfPageSelector(nullptr) {}
+ explicit QPdfPageSelector(QWidget *parent);
+ ~QPdfPageSelector();
+
+ void setDocument(QPdfDocument *document);
+ QPdfDocument *document() const;
+
+Q_SIGNALS:
+ void documentChanged(QPdfDocument *document);
+
+protected:
+ int valueFromText(const QString &text) const override;
+ QString textFromValue(int value) const override;
+
+private:
+ Q_DECLARE_PRIVATE(QPdfPageSelector)
+ QScopedPointer<QPdfPageSelectorPrivate> d_ptr;
+};
+
+QT_END_NAMESPACE
+
+#endif // QPDFPAGESELECTOR_H
diff --git a/src/pdfwidgets/qpdfpageselector_p.h b/src/pdfwidgets/qpdfpageselector_p.h
new file mode 100644
index 000000000..b2cd6ecf7
--- /dev/null
+++ b/src/pdfwidgets/qpdfpageselector_p.h
@@ -0,0 +1,42 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QPDFPAGESELECTOR_P_H
+#define QPDFPAGESELECTOR_P_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is not part of the Qt API. It exists purely as an
+// implementation detail. This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include "qpdfpageselector.h"
+
+#include <QPointer>
+
+QT_BEGIN_NAMESPACE
+
+class QPdfPageRenderer;
+
+class QPdfPageSelectorPrivate
+{
+ Q_DECLARE_PUBLIC(QPdfPageSelector)
+
+public:
+ QPdfPageSelectorPrivate(QPdfPageSelector *q);
+
+ void documentStatusChanged();
+
+ QPdfPageSelector *q_ptr;
+ QPointer<QPdfDocument> document;
+ QMetaObject::Connection documentStatusChangedConnection;
+};
+
+QT_END_NAMESPACE
+
+#endif // QPDFPAGESELECTOR_P_H
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-14 07:27:03 +0000