| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtWidgets module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL21$ |
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| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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| ** |
| ****************************************************************************/ |
| |
| #ifndef QWIDGETTEXTCONTROL_P_H |
| #define QWIDGETTEXTCONTROL_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 <QtGui/qtextdocument.h> |
| #include <QtGui/qtextoption.h> |
| #include <QtGui/qtextcursor.h> |
| #include <QtGui/qtextformat.h> |
| #include <QtWidgets/qtextedit.h> |
| #include <QtWidgets/qmenu.h> |
| #include <QtCore/qrect.h> |
| #include <QtGui/qabstracttextdocumentlayout.h> |
| #include <QtGui/qtextdocumentfragment.h> |
| #include <QtGui/qclipboard.h> |
| #include <QtCore/qmimedata.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| class QStyleSheet; |
| class QTextDocument; |
| class QMenu; |
| class QWidgetTextControlPrivate; |
| class QAbstractScrollArea; |
| class QEvent; |
| class QTimerEvent; |
| |
| class Q_WIDGETS_EXPORT QWidgetTextControl : public QObject |
| { |
| Q_OBJECT |
| Q_DECLARE_PRIVATE(QWidgetTextControl) |
| #ifndef QT_NO_TEXTHTMLPARSER |
| Q_PROPERTY(QString html READ toHtml WRITE setHtml NOTIFY textChanged USER true) |
| #endif |
| Q_PROPERTY(bool overwriteMode READ overwriteMode WRITE setOverwriteMode) |
| Q_PROPERTY(bool acceptRichText READ acceptRichText WRITE setAcceptRichText) |
| Q_PROPERTY(int cursorWidth READ cursorWidth WRITE setCursorWidth) |
| Q_PROPERTY(Qt::TextInteractionFlags textInteractionFlags READ textInteractionFlags WRITE setTextInteractionFlags) |
| Q_PROPERTY(bool openExternalLinks READ openExternalLinks WRITE setOpenExternalLinks) |
| Q_PROPERTY(bool ignoreUnusedNavigationEvents READ ignoreUnusedNavigationEvents WRITE setIgnoreUnusedNavigationEvents) |
| public: |
| explicit QWidgetTextControl(QObject *parent = 0); |
| explicit QWidgetTextControl(const QString &text, QObject *parent = 0); |
| explicit QWidgetTextControl(QTextDocument *doc, QObject *parent = 0); |
| virtual ~QWidgetTextControl(); |
| |
| void setDocument(QTextDocument *document); |
| QTextDocument *document() const; |
| |
| void setTextCursor(const QTextCursor &cursor); |
| QTextCursor textCursor() const; |
| |
| void setTextInteractionFlags(Qt::TextInteractionFlags flags); |
| Qt::TextInteractionFlags textInteractionFlags() const; |
| |
| void mergeCurrentCharFormat(const QTextCharFormat &modifier); |
| |
| void setCurrentCharFormat(const QTextCharFormat &format); |
| QTextCharFormat currentCharFormat() const; |
| |
| bool find(const QString &exp, QTextDocument::FindFlags options = 0); |
| #ifndef QT_NO_REGEXP |
| bool find(const QRegExp &exp, QTextDocument::FindFlags options = 0); |
| #endif |
| |
| QString toPlainText() const; |
| #ifndef QT_NO_TEXTHTMLPARSER |
| QString toHtml() const; |
| #endif |
| |
| virtual void ensureCursorVisible(); |
| |
| Q_INVOKABLE virtual QVariant loadResource(int type, const QUrl &name); |
| #ifndef QT_NO_CONTEXTMENU |
| QMenu *createStandardContextMenu(const QPointF &pos, QWidget *parent); |
| #endif |
| |
| QTextCursor cursorForPosition(const QPointF &pos) const; |
| QRectF cursorRect(const QTextCursor &cursor) const; |
| QRectF cursorRect() const; |
| QRectF selectionRect(const QTextCursor &cursor) const; |
| QRectF selectionRect() const; |
| |
| virtual QString anchorAt(const QPointF &pos) const; |
| QPointF anchorPosition(const QString &name) const; |
| |
| QString anchorAtCursor() const; |
| |
| bool overwriteMode() const; |
| void setOverwriteMode(bool overwrite); |
| |
| int cursorWidth() const; |
| void setCursorWidth(int width); |
| |
| bool acceptRichText() const; |
| void setAcceptRichText(bool accept); |
| |
| #ifndef QT_NO_TEXTEDIT |
| void setExtraSelections(const QList<QTextEdit::ExtraSelection> &selections); |
| QList<QTextEdit::ExtraSelection> extraSelections() const; |
| #endif |
| |
| void setTextWidth(qreal width); |
| qreal textWidth() const; |
| QSizeF size() const; |
| |
| void setOpenExternalLinks(bool open); |
| bool openExternalLinks() const; |
| |
| void setIgnoreUnusedNavigationEvents(bool ignore); |
| bool ignoreUnusedNavigationEvents() const; |
| |
| void moveCursor(QTextCursor::MoveOperation op, QTextCursor::MoveMode mode = QTextCursor::MoveAnchor); |
| |
| bool canPaste() const; |
| |
| void setCursorIsFocusIndicator(bool b); |
| bool cursorIsFocusIndicator() const; |
| |
| void setDragEnabled(bool enabled); |
| bool isDragEnabled() const; |
| |
| bool isWordSelectionEnabled() const; |
| void setWordSelectionEnabled(bool enabled); |
| |
| void print(QPagedPaintDevice *printer) const; |
| |
| virtual int hitTest(const QPointF &point, Qt::HitTestAccuracy accuracy) const; |
| virtual QRectF blockBoundingRect(const QTextBlock &block) const; |
| QAbstractTextDocumentLayout::PaintContext getPaintContext(QWidget *widget) const; |
| |
| public Q_SLOTS: |
| void setPlainText(const QString &text); |
| void setHtml(const QString &text); |
| |
| #ifndef QT_NO_CLIPBOARD |
| void cut(); |
| void copy(); |
| void paste(QClipboard::Mode mode = QClipboard::Clipboard); |
| #endif |
| |
| void undo(); |
| void redo(); |
| |
| void clear(); |
| void selectAll(); |
| |
| void insertPlainText(const QString &text); |
| #ifndef QT_NO_TEXTHTMLPARSER |
| void insertHtml(const QString &text); |
| #endif |
| |
| void append(const QString &text); |
| void appendHtml(const QString &html); |
| void appendPlainText(const QString &text); |
| |
| void adjustSize(); |
| |
| Q_SIGNALS: |
| void textChanged(); |
| void undoAvailable(bool b); |
| void redoAvailable(bool b); |
| void currentCharFormatChanged(const QTextCharFormat &format); |
| void copyAvailable(bool b); |
| void selectionChanged(); |
| void cursorPositionChanged(); |
| |
| // control signals |
| void updateRequest(const QRectF &rect = QRectF()); |
| void documentSizeChanged(const QSizeF &); |
| void blockCountChanged(int newBlockCount); |
| void visibilityRequest(const QRectF &rect); |
| void microFocusChanged(); |
| void linkActivated(const QString &link); |
| void linkHovered(const QString &); |
| void modificationChanged(bool m); |
| |
| public: |
| // control properties |
| QPalette palette() const; |
| void setPalette(const QPalette &pal); |
| |
| virtual void processEvent(QEvent *e, const QMatrix &matrix, QWidget *contextWidget = 0); |
| void processEvent(QEvent *e, const QPointF &coordinateOffset = QPointF(), QWidget *contextWidget = 0); |
| |
| // control methods |
| void drawContents(QPainter *painter, const QRectF &rect = QRectF(), QWidget *widget = 0); |
| |
| void setFocus(bool focus, Qt::FocusReason = Qt::OtherFocusReason); |
| |
| virtual QVariant inputMethodQuery(Qt::InputMethodQuery property, QVariant argument) const; |
| |
| virtual QMimeData *createMimeDataFromSelection() const; |
| virtual bool canInsertFromMimeData(const QMimeData *source) const; |
| virtual void insertFromMimeData(const QMimeData *source); |
| |
| bool setFocusToAnchor(const QTextCursor &newCursor); |
| bool setFocusToNextOrPreviousAnchor(bool next); |
| bool findNextPrevAnchor(const QTextCursor& from, bool next, QTextCursor& newAnchor); |
| |
| protected: |
| virtual void timerEvent(QTimerEvent *e) Q_DECL_OVERRIDE; |
| |
| virtual bool event(QEvent *e) Q_DECL_OVERRIDE; |
| |
| private: |
| Q_DISABLE_COPY(QWidgetTextControl) |
| Q_PRIVATE_SLOT(d_func(), void _q_updateCurrentCharFormatAndSelection()) |
| Q_PRIVATE_SLOT(d_func(), void _q_emitCursorPosChanged(const QTextCursor &)) |
| Q_PRIVATE_SLOT(d_func(), void _q_deleteSelected()) |
| Q_PRIVATE_SLOT(d_func(), void _q_copyLink()) |
| Q_PRIVATE_SLOT(d_func(), void _q_updateBlock(const QTextBlock &)) |
| Q_PRIVATE_SLOT(d_func(), void _q_documentLayoutChanged()) |
| Q_PRIVATE_SLOT(d_func(), void _q_contentsChanged(int, int, int)) |
| }; |
| |
| |
| #ifndef QT_NO_CONTEXTMENU |
| class QUnicodeControlCharacterMenu : public QMenu |
| { |
| Q_OBJECT |
| public: |
| QUnicodeControlCharacterMenu(QObject *editWidget, QWidget *parent); |
| |
| private Q_SLOTS: |
| void menuActionTriggered(); |
| |
| private: |
| QObject *editWidget; |
| }; |
| #endif // QT_NO_CONTEXTMENU |
| |
| |
| // also used by QLabel |
| class QTextEditMimeData : public QMimeData |
| { |
| public: |
| inline QTextEditMimeData(const QTextDocumentFragment &aFragment) : fragment(aFragment) {} |
| |
| virtual QStringList formats() const Q_DECL_OVERRIDE; |
| protected: |
| virtual QVariant retrieveData(const QString &mimeType, QVariant::Type type) const Q_DECL_OVERRIDE; |
| private: |
| void setup() const; |
| |
| mutable QTextDocumentFragment fragment; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QWidgetTextControl_H |