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+/****************************************************************************
+**
+** Definition of the TQTextEdit class
+**
+** Created : 990101
+**
+** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
+**
+** This file is part of the widgets module of the TQt GUI Toolkit.
+**
+** This file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free TQt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at sales@trolltech.com.
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
+** included in the packaging of this file. Licensees holding valid TQt
+** Commercial licenses may use this file in accordance with the TQt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#ifndef TQTEXTEDIT_H
+#define TQTEXTEDIT_H
+
+#ifndef QT_H
+#include "ntqscrollview.h"
+#include "ntqstylesheet.h"
+#include "ntqptrvector.h"
+#include "ntqvaluelist.h"
+#include "ntqptrlist.h"
+#endif // QT_H
+
+#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 TQPainter;
+class TQTextDocument;
+class TQTextCursor;
+class TQKeyEvent;
+class TQResizeEvent;
+class TQMouseEvent;
+class TQTimer;
+class TQTextString;
+class TQTextCommand;
+class TQTextParagraph;
+class TQTextFormat;
+class TQFont;
+class TQColor;
+class TQTextEdit;
+class TQTextBrowser;
+class TQTextString;
+struct TQUndoRedoInfoPrivate;
+class TQPopupMenu;
+class TQTextEditPrivate;
+class TQSyntaxHighlighter;
+
+#ifdef QT_TEXTEDIT_OPTIMIZATION
+class TQTextEditOptimPrivate
+{
+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;
+ TQString tag;
+ };
+ TQTextEditOptimPrivate()
+ {
+ 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();
+ }
+ ~TQTextEditOptimPrivate()
+ {
+ clearTags();
+ }
+ int len;
+ int numLines;
+ int maxLineWidth;
+ struct Selection {
+ int line;
+ int index;
+ };
+ Selection selStart, selEnd, search;
+ Tag * tags, * lastTag;
+ TQMap<int, TQString> lines;
+ TQMap<int, Tag *> tagIndex;
+};
+#endif
+
+class Q_EXPORT TQTextEdit : public TQScrollView
+{
+ friend class TQTextBrowser;
+ friend class TQSyntaxHighlighter;
+
+ Q_OBJECT
+ Q_ENUMS( WordWrap WrapPolicy )
+ Q_SETS( AutoFormatting )
+ Q_PROPERTY( TextFormat textFormat READ textFormat WRITE setTextFormat )
+ Q_PROPERTY( TQString text READ text WRITE setText )
+ Q_PROPERTY( TQBrush paper READ paper WRITE setPaper )
+ Q_PROPERTY( bool linkUnderline READ linkUnderline WRITE setLinkUnderline )
+ Q_PROPERTY( TQString 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( TQString 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( AutoFormatting autoFormatting READ autoFormatting WRITE setAutoFormatting )
+
+public:
+ enum WordWrap {
+ NoWrap,
+ WidgetWidth,
+ FixedPixelWidth,
+ FixedColumnWidth
+ };
+
+ enum WrapPolicy {
+ AtWordBoundary,
+ AtWhiteSpace = AtWordBoundary, // AtWhiteSpace is deprecated
+ Anywhere,
+ AtWordOrDocumentBoundary
+ };
+
+ enum AutoFormatting {
+ AutoNone = 0,
+ AutoBulletList = 0x00000001,
+ AutoAll = 0xffffffff
+ };
+
+ 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,
+ AsIMCompositionText = 0x0008, // internal use
+ WithIMSelection = 0x0010 // internal use
+ };
+
+ TQTextEdit( const TQString& text, const TQString& context = TQString::null,
+ TQWidget* parent=0, const char* name=0);
+ TQTextEdit( TQWidget* parent=0, const char* name=0 );
+ virtual ~TQTextEdit();
+ void setPalette( const TQPalette & );
+
+ TQString text() const;
+ TQString text( int para ) const;
+ TextFormat textFormat() const;
+ TQString context() const;
+ TQString documentTitle() const;
+
+ void getSelection( int *paraFrom, int *indexFrom,
+ int *paraTo, int *indexTo, int selNum = 0 ) const;
+ virtual bool find( const TQString &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;
+ TQRect paragraphRect( int para ) const;
+ int paragraphAt( const TQPoint &pos ) const;
+ int charAt( const TQPoint &pos, int *para ) const;
+ int paragraphLength( int para ) const;
+
+ TQStyleSheet* styleSheet() const;
+#ifndef QT_NO_MIME
+ TQMimeSourceFactory* mimeSourceFactory() const;
+#endif
+ TQBrush paper() const;
+ bool linkUnderline() const;
+
+ int heightForWidth( int w ) const;
+
+ bool hasSelectedText() const;
+ TQString selectedText() const;
+ bool isUndoAvailable() const;
+ bool isRedoAvailable() const;
+
+ WordWrap wordWrap() const;
+ int wrapColumnOrWidth() const;
+ WrapPolicy wrapPolicy() const;
+
+ int tabStopWidth() const;
+
+ TQString anchorAt( const TQPoint& pos );
+ TQString anchorAt( const TQPoint& pos, AnchorAttribute a );
+
+ TQSize 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;
+ TQString family() const;
+ int pointSize() const;
+ TQColor color() const;
+ TQFont font() const;
+ TQFont currentFont() const;
+ int alignment() const;
+ int undoDepth() const;
+
+ // do not use, will go away
+ virtual bool getFormat( int para, int index, TQFont *font, TQColor *color, VerticalAlignment *verticalAlignment );
+ // do not use, will go away
+ virtual bool getParagraphFormat( int para, TQFont *font, TQColor *color,
+ VerticalAlignment *verticalAlignment, int *alignment,
+ TQStyleSheetItem::DisplayMode *displayMode,
+ TQStyleSheetItem::ListStyle *listStyle,
+ int *listDepth );
+
+
+ bool isOverwriteMode() const { return overWrite; }
+ TQColor paragraphBackgroundColor( int para ) const;
+
+ bool isUndoRedoEnabled() const;
+ bool eventFilter( TQObject *o, TQEvent *e );
+ bool tabChangesFocus() const;
+
+ void setAutoFormatting( uint features );
+ uint autoFormatting() const;
+ TQSyntaxHighlighter *syntaxHighlighter() const;
+
+public slots:
+ void setEnabled( bool );
+#ifndef QT_NO_MIME
+ virtual void setMimeSourceFactory( TQMimeSourceFactory* factory );
+#endif
+ virtual void setStyleSheet( TQStyleSheet* styleSheet );
+ virtual void scrollToAnchor( const TQString& name );
+ virtual void setPaper( const TQBrush& pap );
+ virtual void setLinkUnderline( bool );
+
+ virtual void setWordWrap( WordWrap mode );
+ virtual void setWrapColumnOrWidth( int );
+ virtual void setWrapPolicy( WrapPolicy policy );
+
+ virtual void copy();
+ virtual void append( const TQString& text );
+
+ void setText( const TQString &txt ) { setText( txt, TQString::null ); }
+ virtual void setText( const TQString &txt, const TQString &context );
+ virtual void setTextFormat( 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 TQCString &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 TQString &f );
+ virtual void setPointSize( int s );
+ virtual void setColor( const TQColor &c );
+ virtual void setFont( const TQFont &f );
+ virtual void setVerticalAlignment( VerticalAlignment a );
+ virtual void setAlignment( int a );
+
+ // do not use, will go away
+ virtual void setParagType( TQStyleSheetItem::DisplayMode dm, TQStyleSheetItem::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 TQColor &back, bool invertText );
+ virtual void setModified( bool m );
+ virtual void resetFormat();
+ virtual void setUndoDepth( int d );
+ virtual void setFormat( TQTextFormat *f, int flags );
+ virtual void ensureCursorVisible();
+ virtual void placeCursor( const TQPoint &pos, TQTextCursor *c = 0 );
+ virtual void moveCursor( CursorAction action, bool select );
+ virtual void doKeyboardAction( KeyboardAction action );
+ virtual void removeSelectedText( int selNum = 0 );
+ virtual void removeSelection( int selNum = 0 );
+ virtual void setCurrentFont( const TQFont &f );
+ virtual void setOverwriteMode( bool b ) { overWrite = b; }
+
+ virtual void scrollToBottom();
+
+ void insert( const TQString &text, uint insertionFlags = CheckNewLines | RemoveSelected ); // ## virtual in 4.0
+
+ // obsolete
+ virtual void insert( const TQString &text, bool, bool = TRUE, bool = TRUE );
+
+ virtual void insertAt( const TQString &text, int para, int index );
+ virtual void removeParagraph( int para );
+ virtual void insertParagraph( const TQString &text, int para );
+
+ virtual void setParagraphBackgroundColor( int para, const TQColor &bg );
+ virtual void clearParagraphBackground( int para );
+
+ virtual void setUndoRedoEnabled( bool b );
+ void setTabChangesFocus( bool b ); // ### make virtual in 4.0
+
+#ifdef QT_TEXTEDIT_OPTIMIZATION
+ void polish();
+ void setMaxLogLines( int numLines );
+ int maxLogLines();
+#endif
+
+signals:
+ void textChanged();
+ void selectionChanged();
+ void copyAvailable( bool );
+ void undoAvailable( bool yes );
+ void redoAvailable( bool yes );
+ void currentFontChanged( const TQFont &f );
+ void currentColorChanged( const TQColor &c );
+ void currentAlignmentChanged( int a );
+ void currentVerticalAlignmentChanged( VerticalAlignment a );
+ void cursorPositionChanged( TQTextCursor *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( TQPainter *p, int cx, int cy, int cw, int ch );
+ bool event( TQEvent *e );
+ void keyPressEvent( TQKeyEvent *e );
+ void resizeEvent( TQResizeEvent *e );
+ void viewportResizeEvent( TQResizeEvent* );
+ void contentsMousePressEvent( TQMouseEvent *e );
+ void contentsMouseMoveEvent( TQMouseEvent *e );
+ void contentsMouseReleaseEvent( TQMouseEvent *e );
+ void contentsMouseDoubleClickEvent( TQMouseEvent *e );
+#ifndef QT_NO_WHEELEVENT
+ void contentsWheelEvent( TQWheelEvent *e );
+#endif
+ void imStartEvent( TQIMEvent * );
+ void imComposeEvent( TQIMEvent * );
+ void imEndEvent( TQIMEvent * );
+#ifndef QT_NO_DRAGANDDROP
+ void contentsDragEnterEvent( TQDragEnterEvent *e );
+ void contentsDragMoveEvent( TQDragMoveEvent *e );
+ void contentsDragLeaveEvent( TQDragLeaveEvent *e );
+ void contentsDropEvent( TQDropEvent *e );
+#endif
+ void contentsContextMenuEvent( TQContextMenuEvent *e );
+ bool sendMouseEventToInputContext( TQMouseEvent *e );
+ bool focusNextPrevChild( bool next );
+ TQTextDocument *document() const;
+ TQTextCursor *textCursor() const;
+ void setDocument( TQTextDocument *doc );
+ virtual TQPopupMenu *createPopupMenu( const TQPoint& pos );
+ virtual TQPopupMenu *createPopupMenu();
+ void drawCursor( bool visible );
+
+ void windowActivationChange( bool );
+
+protected slots:
+ virtual void doChangeInterval();
+ void sliderReleased(); // ### make virtual in 4.0
+#if (QT_VERSION >= 0x040000)
+#error "Some functions need to be changed to virtual for TQt 4.0"
+#endif
+
+private slots:
+ void formatMore();
+ void doResize();
+ void autoScrollTimerDone();
+ void blinkCursor();
+ void setModified();
+ void startDrag();
+ void documentWidthChanged( int w );
+ void clipboardChanged();
+
+private:
+ struct Q_EXPORT UndoRedoInfo {
+ enum Type { Invalid, Insert, Delete, Backspace, Return, RemoveSelected, Format, Style, IME };
+
+ UndoRedoInfo( TQTextDocument *dc );
+ ~UndoRedoInfo();
+ void clear();
+ bool valid() const;
+
+ TQUndoRedoInfoPrivate *d;
+ int id;
+ int index;
+ int eid;
+ int eindex;
+ TQTextFormat *format;
+ int flags;
+ Type type;
+ TQTextDocument *doc;
+ TQByteArray styleInformation;
+ };
+
+private:
+ void updateCursor( const TQPoint & pos );
+ void handleMouseMove( const TQPoint& pos );
+ void drawContents( TQPainter * );
+ virtual bool linksEnabled() const { return FALSE; }
+ void init();
+ void checkUndoRedoInfo( UndoRedoInfo::Type t );
+ void updateCurrentFormat();
+ bool handleReadOnlyKeyEvent( TQKeyEvent *e );
+ void makeParagVisible( TQTextParagraph *p );
+ void normalCopy();
+ void copyToClipboard();
+#ifndef QT_NO_MIME
+ TQCString pickSpecial(TQMimeSource* ms, bool always_ask, const TQPoint&);
+ TQTextDrag *dragObject( TQWidget *parent = 0 ) const;
+#endif
+#ifndef QT_NO_MIMECLIPBOARD
+ void pasteSpecial(const TQPoint&);
+#endif
+ void setFontInternal( const TQFont &f );
+
+ virtual void emitHighlighted( const TQString & ) {}
+ virtual void emitLinkClicked( const TQString & ) {}
+
+ void readFormats( TQTextCursor &c1, TQTextCursor &c2, TQTextString &text, bool fillStyles = FALSE );
+ void clearUndoRedo();
+ void paintDocument( bool drawAll, TQPainter *p, int cx = -1, int cy = -1, int cw = -1, int ch = -1 );
+ void moveCursor( CursorAction action );
+ void ensureFormatted( TQTextParagraph *p );
+ void placeCursor( const TQPoint &pos, TQTextCursor *c, bool link );
+ void updateMicroFocusHint();
+
+#ifdef QT_TEXTEDIT_OPTIMIZATION
+ bool checkOptimMode();
+ TQString optimText() const;
+ void optimSetText( const TQString &str );
+ void optimAppend( const TQString &str );
+ void optimInsert( const TQString &str, int line, int index );
+ void optimDrawContents( TQPainter * p, int cx, int cy, int cw, int ch );
+ void optimMousePressEvent( TQMouseEvent * e );
+ void optimMouseReleaseEvent( TQMouseEvent * e );
+ void optimMouseMoveEvent( TQMouseEvent * e );
+ int optimCharIndex( const TQString &str, int mx ) const;
+ void optimSelectAll();
+ void optimRemoveSelection();
+ void optimSetSelection( int startLine, int startIdx, int endLine,
+ int endIdx );
+ bool optimHasSelection() const;
+ TQString optimSelectedText() const;
+ bool optimFind( const TQString & str, bool, bool, bool, int *, int * );
+ void optimParseTags( TQString * str, int lineNo = -1, int indexOffset = 0 );
+ TQTextEditOptimPrivate::Tag * optimPreviousLeftTag( int line );
+ void optimSetTextFormat( TQTextDocument *, TQTextCursor *, TQTextFormat * f,
+ int, int, TQTextEditOptimPrivate::Tag * t );
+ TQTextEditOptimPrivate::Tag * optimAppendTag( int index, const TQString & tag );
+ TQTextEditOptimPrivate::Tag * optimInsertTag( int line, int index, const TQString & tag );
+ void optimCheckLimit( const TQString& str );
+ bool optimHasBoldMetrics( int line );
+
+private slots:
+ void optimDoAutoScroll();
+#endif // QT_TEXTEDIT_OPTIMIZATION
+
+private:
+#ifndef QT_NO_CLIPBOARD
+ void pasteSubType( const TQCString &subtype, TQMimeSource *m );
+#endif
+
+private:
+ TQTextDocument *doc;
+ TQTextCursor *cursor;
+ TQTimer *formatTimer, *scrollTimer, *changeIntervalTimer, *blinkTimer, *dragStartTimer;
+ TQTextParagraph *lastFormatted;
+ int interval;
+ UndoRedoInfo undoRedoInfo;
+ TQTextFormat *currentFormat;
+ int currentAlignment;
+ TQPoint oldMousePos, mousePos;
+ TQPoint dragStartPos;
+ TQString onLink;
+ WordWrap wrapMode;
+ WrapPolicy wPolicy;
+ int wrapWidth;
+ TQString pressedLink;
+ TQTextEditPrivate *d;
+ bool inDoubleClick : 1;
+ bool mousePressed : 1;
+ bool cursorVisible : 1;
+ bool blinkCursorVisible : 1;
+ bool readOnly : 1;
+ bool modified : 1;
+ bool mightStartDrag : 1;
+ bool inDnD : 1;
+ bool readonly : 1;
+ bool undoEnabled : 1;
+ bool overWrite : 1;
+
+private: // Disabled copy constructor and operator=
+#if defined(Q_DISABLE_COPY)
+ TQTextEdit( const TQTextEdit & );
+ TQTextEdit &operator=( const TQTextEdit & );
+#endif
+};
+
+inline TQTextDocument *TQTextEdit::document() const
+{
+ return doc;
+}
+
+inline TQTextCursor *TQTextEdit::textCursor() const
+{
+ return cursor;
+}
+
+inline void TQTextEdit::setCurrentFont( const TQFont &f )
+{
+ TQTextEdit::setFontInternal( f );
+}
+
+#endif //QT_NO_TEXTEDIT
+#endif //TQTEXTVIEW_H
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