diff -r 000000000000 -r 1918ee327afb src/qt3support/text/q3textedit.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qt3support/text/q3textedit.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,613 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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