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Diffstat (limited to 'src/pdfquick/qquickpdfselection_p.h')
-rw-r--r-- | src/pdfquick/qquickpdfselection_p.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/pdfquick/qquickpdfselection_p.h b/src/pdfquick/qquickpdfselection_p.h new file mode 100644 index 000000000..b364a6c03 --- /dev/null +++ b/src/pdfquick/qquickpdfselection_p.h @@ -0,0 +1,148 @@ +/**************************************************************************** +** +** Copyright (C) 2020 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 QQUICKPDFSELECTION_P_H +#define QQUICKPDFSELECTION_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 <QtPdfQuick/private/qtpdfquickglobal_p.h> +#include <QtPdfQuick/private/qquickpdfdocument_p.h> +#include <QPointF> +#include <QPolygonF> +#include <QVariant> +#include <QtQml/qqml.h> +#include <QtQuick/qquickitem.h> + +QT_BEGIN_NAMESPACE +class QPdfSelection; + +class Q_PDFQUICK_EXPORT QQuickPdfSelection : public QQuickItem +{ + Q_OBJECT + Q_PROPERTY(QQuickPdfDocument *document READ document WRITE setDocument NOTIFY documentChanged) + Q_PROPERTY(int page READ page WRITE setPage NOTIFY pageChanged) + Q_PROPERTY(qreal renderScale READ renderScale WRITE setRenderScale NOTIFY renderScaleChanged) + Q_PROPERTY(QPointF fromPoint READ fromPoint WRITE setFromPoint NOTIFY fromPointChanged) + Q_PROPERTY(QPointF toPoint READ toPoint WRITE setToPoint NOTIFY toPointChanged) + Q_PROPERTY(bool hold READ hold WRITE setHold NOTIFY holdChanged) + + Q_PROPERTY(QString text READ text NOTIFY textChanged) + Q_PROPERTY(QList<QPolygonF> geometry READ geometry NOTIFY selectedAreaChanged) + +public: + explicit QQuickPdfSelection(QQuickItem *parent = nullptr); + + QQuickPdfDocument *document() const; + void setDocument(QQuickPdfDocument * document); + int page() const; + void setPage(int page); + qreal renderScale() const; + void setRenderScale(qreal scale); + QPointF fromPoint() const; + void setFromPoint(QPointF fromPoint); + QPointF toPoint() const; + void setToPoint(QPointF toPoint); + bool hold() const; + void setHold(bool hold); + + QString text() const; + QList<QPolygonF> geometry() const; + + Q_INVOKABLE void clear(); + Q_INVOKABLE void selectAll(); +#if QT_CONFIG(clipboard) + Q_INVOKABLE void copyToClipboard() const; +#endif + +signals: + void documentChanged(); + void pageChanged(); + void renderScaleChanged(); + void fromPointChanged(); + void toPointChanged(); + void holdChanged(); + void textChanged(); + void selectedAreaChanged(); + +protected: +#if QT_CONFIG(im) + void keyReleaseEvent(QKeyEvent *ev) override; + void inputMethodEvent(QInputMethodEvent *event) override; + Q_INVOKABLE QVariant inputMethodQuery(Qt::InputMethodQuery query, const QVariant &argument) const; + QVariant inputMethodQuery(Qt::InputMethodQuery query) const override; +#endif + +private: + void resetPoints(); + void updateResults(); + void update(const QPdfSelection &sel, bool textAndGeometryOnly = false); + const QString &pageText() const; + +private: + QQuickPdfDocument *m_document = nullptr; + mutable QPointF m_hitPoint; + QPointF m_fromPoint; + mutable QPointF m_toPoint; + qreal m_renderScale = 1; + mutable qreal m_heightAtAnchor = 0; + mutable qreal m_heightAtCursor = 0; + QString m_text; // selected text + mutable QString m_pageText; // all text on the page + QList<QPolygonF> m_geometry; + int m_page = 0; + int m_fromCharIndex = -1; // same as anchor position + mutable int m_toCharIndex = -1; // same as cursor position + bool m_hold = false; + mutable bool m_pageTextDirty = true; + + Q_DISABLE_COPY(QQuickPdfSelection) +}; + +QT_END_NAMESPACE + +QML_DECLARE_TYPE(QQuickPdfSelection) + +#endif // QQUICKPDFSELECTION_P_H |