| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL3$ |
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| ** GNU Lesser General Public License Usage |
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| ** |
| ** GNU General Public License Usage |
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| ** General Public License version 2.0 or later as published by the Free |
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| ****************************************************************************/ |
| |
| #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 <QPointF> |
| #include <QPolygonF> |
| #include <QVariant> |
| #include <QtQml/qqml.h> |
| #include <QtQuick/qquickitem.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QPdfSelection; |
| class QQuickPdfDocument; |
| |
| class 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(QVector<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; |
| QVector<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 |
| QVector<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 |