| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the Qt3Support module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** This file may be used under the terms of the GNU Lesser General Public |
| ** License version 2.1 as published by the Free Software Foundation and |
| ** appearing in the file LICENSE.LGPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU Lesser |
| ** General Public License version 2.1 requirements will be met: |
| ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
| ** |
| ** In addition, as a special exception, Nokia gives you certain additional |
| ** rights. These rights are described in the Nokia Qt LGPL Exception |
| ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU General |
| ** Public License version 3.0 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 3.0 requirements will be met: |
| ** http://www.gnu.org/copyleft/gpl.html. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef Q3TEXTEDIT_H |
| #define Q3TEXTEDIT_H |
| |
| #include <Qt3Support/q3scrollview.h> |
| #include <Qt3Support/q3stylesheet.h> |
| #include <Qt3Support/q3mimefactory.h> |
| #include <QtCore/qmap.h> |
| |
| QT_BEGIN_HEADER |
| |
| QT_BEGIN_NAMESPACE |
| |
| QT_MODULE(Qt3SupportLight) |
| |
| #ifndef QT_NO_TEXTEDIT |
| // uncomment below to enable optimization mode - also uncomment the |
| // optimDoAutoScroll() private slot since moc ignores #ifdefs.. |
| #define QT_TEXTEDIT_OPTIMIZATION |
| |
| class QPainter; |
| class Q3TextDocument; |
| class Q3TextCursor; |
| class QKeyEvent; |
| class QResizeEvent; |
| class QMouseEvent; |
| class QTimer; |
| class Q3TextString; |
| class QTextCommand; |
| class Q3TextParagraph; |
| class Q3TextFormat; |
| class QFont; |
| class QColor; |
| class Q3TextEdit; |
| class QTextBrowser; |
| class Q3TextString; |
| struct QUndoRedoInfoPrivate; |
| class Q3PopupMenu; |
| class Q3TextEditPrivate; |
| class Q3SyntaxHighlighter; |
| class Q3TextDrag; |
| |
| #ifdef QT_TEXTEDIT_OPTIMIZATION |
| class Q3TextEditOptimPrivate |
| { |
| public: |
| // Note: no left-tag has any value for leftTag or parent, and |
| // no right-tag has any formatting flags set. |
| enum TagType { Color = 0, Format = 1 }; |
| struct Tag { |
| TagType type:2; |
| bool bold:1; |
| bool italic:1; |
| bool underline:1; |
| int line; |
| int index; |
| Tag * leftTag; // ptr to left-tag in a left-right tag pair |
| Tag * parent; // ptr to parent left-tag in a nested tag |
| Tag * prev; |
| Tag * next; |
| QString tag; |
| }; |
| Q3TextEditOptimPrivate() |
| { |
| len = numLines = maxLineWidth = 0; |
| selStart.line = selStart.index = -1; |
| selEnd.line = selEnd.index = -1; |
| search.line = search.index = 0; |
| tags = lastTag = 0; |
| } |
| void clearTags() |
| { |
| Tag * itr = tags; |
| while (tags) { |
| itr = tags; |
| tags = tags->next; |
| delete itr; |
| } |
| tags = lastTag = 0; |
| tagIndex.clear(); |
| } |
| ~Q3TextEditOptimPrivate() |
| { |
| clearTags(); |
| } |
| int len; |
| int numLines; |
| int maxLineWidth; |
| struct Selection { |
| int line; |
| int index; |
| }; |
| Selection selStart, selEnd, search; |
| Tag * tags, * lastTag; |
| QMap<int, QString> lines; |
| QMap<int, Tag *> tagIndex; |
| }; |
| #endif |
| |
| class Q_COMPAT_EXPORT Q3TextEdit : public Q3ScrollView |
| { |
| friend class Q3TextBrowser; |
| friend class Q3SyntaxHighlighter; |
| |
| Q_OBJECT |
| Q_ENUMS(WordWrap WrapPolicy) |
| Q_FLAGS(AutoFormattingFlag) |
| Q_PROPERTY(Qt::TextFormat textFormat READ textFormat WRITE setTextFormat) |
| Q_PROPERTY(QString text READ text WRITE setText) |
| Q_PROPERTY(QBrush paper READ paper WRITE setPaper) |
| Q_PROPERTY(bool linkUnderline READ linkUnderline WRITE setLinkUnderline) |
| Q_PROPERTY(QString documentTitle READ documentTitle) |
| Q_PROPERTY(int length READ length) |
| Q_PROPERTY(WordWrap wordWrap READ wordWrap WRITE setWordWrap) |
| Q_PROPERTY(int wrapColumnOrWidth READ wrapColumnOrWidth WRITE setWrapColumnOrWidth) |
| Q_PROPERTY(WrapPolicy wrapPolicy READ wrapPolicy WRITE setWrapPolicy) |
| Q_PROPERTY(bool hasSelectedText READ hasSelectedText) |
| Q_PROPERTY(QString selectedText READ selectedText) |
| Q_PROPERTY(int undoDepth READ undoDepth WRITE setUndoDepth) |
| Q_PROPERTY(bool overwriteMode READ isOverwriteMode WRITE setOverwriteMode) |
| Q_PROPERTY(bool modified READ isModified WRITE setModified DESIGNABLE false) |
| Q_PROPERTY(bool readOnly READ isReadOnly WRITE setReadOnly) |
| Q_PROPERTY(bool undoRedoEnabled READ isUndoRedoEnabled WRITE setUndoRedoEnabled) |
| Q_PROPERTY(int tabStopWidth READ tabStopWidth WRITE setTabStopWidth) |
| Q_PROPERTY(bool tabChangesFocus READ tabChangesFocus WRITE setTabChangesFocus) |
| Q_PROPERTY(AutoFormattingFlag autoFormatting READ autoFormatting WRITE setAutoFormatting) |
| |
| public: |
| enum WordWrap { |
| NoWrap, |
| WidgetWidth, |
| FixedPixelWidth, |
| FixedColumnWidth |
| }; |
| |
| enum WrapPolicy { |
| AtWordBoundary, |
| AtWhiteSpace = AtWordBoundary, // AtWhiteSpace is deprecated |
| Anywhere, |
| AtWordOrDocumentBoundary |
| }; |
| |
| enum AutoFormattingFlag { |
| AutoNone = 0, |
| AutoBulletList = 0x00000001, |
| AutoAll = 0xffffffff |
| }; |
| |
| Q_DECLARE_FLAGS(AutoFormatting, AutoFormattingFlag) |
| |
| enum KeyboardAction { |
| ActionBackspace, |
| ActionDelete, |
| ActionReturn, |
| ActionKill, |
| ActionWordBackspace, |
| ActionWordDelete |
| }; |
| |
| enum CursorAction { |
| MoveBackward, |
| MoveForward, |
| MoveWordBackward, |
| MoveWordForward, |
| MoveUp, |
| MoveDown, |
| MoveLineStart, |
| MoveLineEnd, |
| MoveHome, |
| MoveEnd, |
| MovePgUp, |
| MovePgDown |
| }; |
| |
| enum VerticalAlignment { |
| AlignNormal, |
| AlignSuperScript, |
| AlignSubScript |
| }; |
| |
| enum TextInsertionFlags { |
| RedoIndentation = 0x0001, |
| CheckNewLines = 0x0002, |
| RemoveSelected = 0x0004 |
| }; |
| |
| Q3TextEdit(const QString& text, const QString& context = QString(), |
| QWidget* parent=0, const char* name=0); |
| Q3TextEdit(QWidget* parent=0, const char* name=0); |
| virtual ~Q3TextEdit(); |
| |
| QString text() const; |
| QString text(int para) const; |
| Qt::TextFormat textFormat() const; |
| QString context() const; |
| QString documentTitle() const; |
| |
| void getSelection(int *paraFrom, int *indexFrom, |
| int *paraTo, int *indexTo, int selNum = 0) const; |
| virtual bool find(const QString &expr, bool cs, bool wo, bool forward = true, |
| int *para = 0, int *index = 0); |
| |
| int paragraphs() const; |
| int lines() const; |
| int linesOfParagraph(int para) const; |
| int lineOfChar(int para, int chr); |
| int length() const; |
| QRect paragraphRect(int para) const; |
| int paragraphAt(const QPoint &pos) const; |
| int charAt(const QPoint &pos, int *para) const; |
| int paragraphLength(int para) const; |
| |
| Q3StyleSheet* styleSheet() const; |
| #ifndef QT_NO_MIME |
| Q3MimeSourceFactory* mimeSourceFactory() const; |
| #endif |
| QBrush paper() const; |
| bool linkUnderline() const; |
| |
| int heightForWidth(int w) const; |
| |
| bool hasSelectedText() const; |
| QString selectedText() const; |
| bool isUndoAvailable() const; |
| bool isRedoAvailable() const; |
| |
| WordWrap wordWrap() const; |
| int wrapColumnOrWidth() const; |
| WrapPolicy wrapPolicy() const; |
| |
| int tabStopWidth() const; |
| |
| QString anchorAt(const QPoint& pos, Qt::AnchorAttribute a = Qt::AnchorHref); |
| |
| QSize sizeHint() const; |
| |
| bool isReadOnly() const { return readonly; } |
| |
| void getCursorPosition(int *parag, int *index) const; |
| |
| bool isModified() const; |
| bool italic() const; |
| bool bold() const; |
| bool underline() const; |
| QString family() const; |
| int pointSize() const; |
| QColor color() const; |
| QFont font() const; |
| QFont currentFont() const; |
| int alignment() const; |
| VerticalAlignment verticalAlignment() const; |
| int undoDepth() const; |
| |
| // do not use, will go away |
| virtual bool getFormat(int para, int index, QFont *font, QColor *color, VerticalAlignment *verticalAlignment); |
| // do not use, will go away |
| virtual bool getParagraphFormat(int para, QFont *font, QColor *color, |
| VerticalAlignment *verticalAlignment, int *alignment, |
| Q3StyleSheetItem::DisplayMode *displayMode, |
| Q3StyleSheetItem::ListStyle *listStyle, |
| int *listDepth); |
| |
| |
| bool isOverwriteMode() const { return overWrite; } |
| QColor paragraphBackgroundColor(int para) const; |
| |
| bool isUndoRedoEnabled() const; |
| bool eventFilter(QObject *o, QEvent *e); |
| bool tabChangesFocus() const; |
| |
| void setAutoFormatting(AutoFormatting); |
| AutoFormatting autoFormatting() const; |
| Q3SyntaxHighlighter *syntaxHighlighter() const; |
| |
| public Q_SLOTS: |
| #ifndef QT_NO_MIME |
| virtual void setMimeSourceFactory(Q3MimeSourceFactory* factory); |
| #endif |
| virtual void setStyleSheet(Q3StyleSheet* styleSheet); |
| virtual void scrollToAnchor(const QString& name); |
| virtual void setPaper(const QBrush& pap); |
| virtual void setLinkUnderline(bool); |
| |
| virtual void setWordWrap(Q3TextEdit::WordWrap mode); |
| virtual void setWrapColumnOrWidth(int); |
| virtual void setWrapPolicy(Q3TextEdit::WrapPolicy policy); |
| |
| virtual void copy(); |
| virtual void append(const QString& text); |
| |
| void setText(const QString &txt) { setText(txt, QString()); } |
| virtual void setText(const QString &txt, const QString &context); |
| virtual void setTextFormat(Qt::TextFormat f); |
| |
| virtual void selectAll(bool select = true); |
| virtual void setTabStopWidth(int ts); |
| virtual void zoomIn(int range); |
| virtual void zoomIn() { zoomIn(1); } |
| virtual void zoomOut(int range); |
| virtual void zoomOut() { zoomOut(1); } |
| virtual void zoomTo(int size); |
| |
| virtual void sync(); |
| virtual void setReadOnly(bool b); |
| |
| virtual void undo(); |
| virtual void redo(); |
| virtual void cut(); |
| virtual void paste(); |
| #ifndef QT_NO_CLIPBOARD |
| virtual void pasteSubType(const QByteArray &subtype); |
| #endif |
| virtual void clear(); |
| virtual void del(); |
| virtual void indent(); |
| virtual void setItalic(bool b); |
| virtual void setBold(bool b); |
| virtual void setUnderline(bool b); |
| virtual void setFamily(const QString &f); |
| virtual void setPointSize(int s); |
| virtual void setColor(const QColor &c); |
| virtual void setVerticalAlignment(Q3TextEdit::VerticalAlignment a); |
| virtual void setAlignment(int a); |
| |
| // do not use, will go away |
| virtual void setParagType(Q3StyleSheetItem::DisplayMode dm, Q3StyleSheetItem::ListStyle listStyle); |
| |
| virtual void setCursorPosition(int parag, int index); |
| virtual void setSelection(int parag_from, int index_from, int parag_to, int index_to, int selNum = 0); |
| virtual void setSelectionAttributes(int selNum, const QColor &back, bool invertText); |
| virtual void setModified(bool m); |
| virtual void resetFormat(); |
| virtual void setUndoDepth(int d); |
| virtual void setFormat(Q3TextFormat *f, int flags); |
| virtual void ensureCursorVisible(); |
| virtual void placeCursor(const QPoint &pos, Q3TextCursor *c = 0); |
| virtual void moveCursor(Q3TextEdit::CursorAction action, bool select); |
| virtual void doKeyboardAction(Q3TextEdit::KeyboardAction action); |
| virtual void removeSelectedText(int selNum = 0); |
| virtual void removeSelection(int selNum = 0); |
| virtual void setCurrentFont(const QFont &f); |
| virtual void setOverwriteMode(bool b) { overWrite = b; } |
| |
| virtual void scrollToBottom(); |
| |
| virtual void insert(const QString &text, uint insertionFlags = CheckNewLines | RemoveSelected); |
| |
| // obsolete |
| virtual void insert(const QString &text, bool, bool = true, bool = true); |
| |
| virtual void insertAt(const QString &text, int para, int index); |
| virtual void removeParagraph(int para); |
| virtual void insertParagraph(const QString &text, int para); |
| |
| virtual void setParagraphBackgroundColor(int para, const QColor &bg); |
| virtual void clearParagraphBackground(int para); |
| |
| virtual void setUndoRedoEnabled(bool b); |
| virtual void setTabChangesFocus(bool b); |
| |
| #ifdef QT_TEXTEDIT_OPTIMIZATION |
| void polishEvent(QEvent*); |
| void setMaxLogLines(int numLines); |
| int maxLogLines() const; |
| #endif |
| |
| Q_SIGNALS: |
| void textChanged(); |
| void selectionChanged(); |
| void copyAvailable(bool); |
| void undoAvailable(bool yes); |
| void redoAvailable(bool yes); |
| void currentFontChanged(const QFont &f); |
| void currentColorChanged(const QColor &c); |
| void currentAlignmentChanged(int a); |
| void currentVerticalAlignmentChanged(Q3TextEdit::VerticalAlignment a); |
| void cursorPositionChanged(Q3TextCursor *c); |
| void cursorPositionChanged(int para, int pos); |
| void returnPressed(); |
| void modificationChanged(bool m); |
| void clicked(int parag, int index); |
| void doubleClicked(int parag, int index); |
| |
| protected: |
| void repaintChanged(); |
| void updateStyles(); |
| void drawContents(QPainter *p, int cx, int cy, int cw, int ch); |
| bool event(QEvent *e); |
| void changeEvent(QEvent *); |
| void keyPressEvent(QKeyEvent *e); |
| void resizeEvent(QResizeEvent *e); |
| void viewportResizeEvent(QResizeEvent*); |
| void contentsMousePressEvent(QMouseEvent *e); |
| void contentsMouseMoveEvent(QMouseEvent *e); |
| void contentsMouseReleaseEvent(QMouseEvent *e); |
| void contentsMouseDoubleClickEvent(QMouseEvent *e); |
| #ifndef QT_NO_WHEELEVENT |
| void contentsWheelEvent(QWheelEvent *e); |
| #endif |
| void inputMethodEvent(QInputMethodEvent *); |
| #ifndef QT_NO_DRAGANDDROP |
| void contentsDragEnterEvent(QDragEnterEvent *e); |
| void contentsDragMoveEvent(QDragMoveEvent *e); |
| void contentsDragLeaveEvent(QDragLeaveEvent *e); |
| void contentsDropEvent(QDropEvent *e); |
| #endif |
| void contentsContextMenuEvent(QContextMenuEvent *e); |
| bool focusNextPrevChild(bool next); |
| Q3TextDocument *document() const; |
| Q3TextCursor *textCursor() const; |
| void setDocument(Q3TextDocument *doc); |
| virtual Q3PopupMenu *createPopupMenu(const QPoint& pos); |
| virtual Q3PopupMenu *createPopupMenu(); |
| void drawCursor(bool visible); |
| |
| protected Q_SLOTS: |
| virtual void doChangeInterval(); |
| virtual void sliderReleased(); |
| |
| private Q_SLOTS: |
| void formatMore(); |
| void doResize(); |
| void autoScrollTimerDone(); |
| void blinkCursor(); |
| void setModified(); |
| void startDrag(); |
| void documentWidthChanged(int w); |
| void clipboardChanged(); |
| |
| private: |
| struct Q_COMPAT_EXPORT UndoRedoInfo { |
| enum Type { Invalid, Insert, Delete, Backspace, Return, RemoveSelected, Format, Style, IME }; |
| |
| UndoRedoInfo(Q3TextDocument *dc); |
| ~UndoRedoInfo(); |
| void clear(); |
| bool valid() const; |
| |
| QUndoRedoInfoPrivate *d; |
| int id; |
| int index; |
| int eid; |
| int eindex; |
| Q3TextFormat *format; |
| int flags; |
| Type type; |
| Q3TextDocument *doc; |
| QByteArray styleInformation; |
| }; |
| |
| private: |
| void updateCursor(const QPoint & pos); |
| void handleMouseMove(const QPoint& pos); |
| void drawContents(QPainter *); |
| virtual bool linksEnabled() const { return false; } |
| void init(); |
| void checkUndoRedoInfo(UndoRedoInfo::Type t); |
| void updateCurrentFormat(); |
| bool handleReadOnlyKeyEvent(QKeyEvent *e); |
| void makeParagVisible(Q3TextParagraph *p); |
| void normalCopy(); |
| void copyToClipboard(); |
| #ifndef QT_NO_MIME |
| QByteArray pickSpecial(QMimeSource* ms, bool always_ask, const QPoint&); |
| Q3TextDrag *dragObject(QWidget *parent = 0) const; |
| #endif |
| #ifndef QT_NO_MIMECLIPBOARD |
| void pasteSpecial(const QPoint&); |
| #endif |
| void setFontInternal(const QFont &f); |
| |
| virtual void emitHighlighted(const QString &) {} |
| virtual void emitLinkClicked(const QString &) {} |
| |
| void readFormats(Q3TextCursor &c1, Q3TextCursor &c2, Q3TextString &text, bool fillStyles = false); |
| void clearUndoRedo(); |
| void paintDocument(bool drawAll, QPainter *p, int cx = -1, int cy = -1, int cw = -1, int ch = -1); |
| void moveCursor(CursorAction action); |
| void ensureFormatted(Q3TextParagraph *p); |
| void placeCursor(const QPoint &pos, Q3TextCursor *c, bool link); |
| QVariant inputMethodQuery(Qt::InputMethodQuery query) const; |
| |
| #ifdef QT_TEXTEDIT_OPTIMIZATION |
| bool checkOptimMode(); |
| QString optimText() const; |
| void optimSetText(const QString &str); |
| void optimAppend(const QString &str); |
| void optimInsert(const QString &str, int line, int index); |
| void optimDrawContents(QPainter * p, int cx, int cy, int cw, int ch); |
| void optimMousePressEvent(QMouseEvent * e); |
| void optimMouseReleaseEvent(QMouseEvent * e); |
| void optimMouseMoveEvent(QMouseEvent * e); |
| int optimCharIndex(const QString &str, int mx) const; |
| void optimSelectAll(); |
| void optimRemoveSelection(); |
| void optimSetSelection(int startLine, int startIdx, int endLine, |
| int endIdx); |
| bool optimHasSelection() const; |
| QString optimSelectedText() const; |
| bool optimFind(const QString & str, bool, bool, bool, int *, int *); |
| void optimParseTags(QString * str, int lineNo = -1, int indexOffset = 0); |
| Q3TextEditOptimPrivate::Tag * optimPreviousLeftTag(int line); |
| void optimSetTextFormat(Q3TextDocument *, Q3TextCursor *, Q3TextFormat * f, |
| int, int, Q3TextEditOptimPrivate::Tag * t); |
| Q3TextEditOptimPrivate::Tag * optimAppendTag(int index, const QString & tag); |
| Q3TextEditOptimPrivate::Tag * optimInsertTag(int line, int index, const QString & tag); |
| void optimCheckLimit(const QString& str); |
| bool optimHasBoldMetrics(int line); |
| |
| private Q_SLOTS: |
| void optimDoAutoScroll(); |
| #endif // QT_TEXTEDIT_OPTIMIZATION |
| |
| private: |
| #ifndef QT_NO_CLIPBOARD |
| void pasteSubType(const QByteArray &subtype, QMimeSource *m); |
| #endif |
| |
| private: |
| Q_DISABLE_COPY(Q3TextEdit) |
| |
| Q3TextDocument *doc; |
| Q3TextCursor *cursor; |
| QTimer *formatTimer, *scrollTimer, *changeIntervalTimer, *blinkTimer, *dragStartTimer; |
| Q3TextParagraph *lastFormatted; |
| int interval; |
| UndoRedoInfo undoRedoInfo; |
| Q3TextFormat *currentFormat; |
| int currentAlignment; |
| QPoint oldMousePos, mousePos; |
| QPoint dragStartPos; |
| QString onLink; |
| WordWrap wrapMode; |
| WrapPolicy wPolicy; |
| int wrapWidth; |
| QString pressedLink; |
| Q3TextEditPrivate *d; |
| bool inDoubleClick : 1; |
| bool mousePressed : 1; |
| bool cursorVisible : 1; |
| bool blinkCursorVisible : 1; |
| bool modified : 1; |
| bool mightStartDrag : 1; |
| bool inDnD : 1; |
| bool readonly : 1; |
| bool undoEnabled : 1; |
| bool overWrite : 1; |
| }; |
| |
| Q_DECLARE_OPERATORS_FOR_FLAGS(Q3TextEdit::AutoFormatting) |
| |
| inline Q3TextDocument *Q3TextEdit::document() const |
| { |
| return doc; |
| } |
| |
| inline Q3TextCursor *Q3TextEdit::textCursor() const |
| { |
| return cursor; |
| } |
| |
| inline void Q3TextEdit::setCurrentFont(const QFont &f) |
| { |
| Q3TextEdit::setFontInternal(f); |
| } |
| |
| #endif // QT_NO_TEXTEDIT |
| |
| QT_END_NAMESPACE |
| |
| QT_END_HEADER |
| |
| #endif // Q3TEXTEDIT_H |