Diffstat (limited to 'core/apps/textedit/qtextedit.h') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | core/apps/textedit/qtextedit.h | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/core/apps/textedit/qtextedit.h b/core/apps/textedit/qtextedit.h new file mode 100644 index 0000000..b29a728 --- a/dev/null +++ b/core/apps/textedit/qtextedit.h @@ -0,0 +1,282 @@ +/********************************************************************** +** Copyright (C) 2000 Trolltech AS. All rights reserved. +** +** This file is part of Qtopia Environment. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#ifndef QTEXTEDIT_H +#define QTEXTEDIT_H + +#include <qscrollview.h> +#include <qstylesheet.h> +#include <qpainter.h> + +class QPainter; +class QTextDocument; +class QTextCursor; +class QKeyEvent; +class QResizeEvent; +class QMouseEvent; +class QTimer; +class QTextString; +class QVBox; +class QListBox; +class QTextCommand; +class QTextParag; +class QTextFormat; +class QFont; +class QColor; + +class QTextEdit : public QScrollView +{ + Q_OBJECT + +public: + QTextEdit( QWidget *parent, const QString &fn, bool tabify = FALSE ); + QTextEdit( QWidget *parent = 0, const char *name = 0 ); + virtual ~QTextEdit(); + +#if defined(QTEXTEDIT_OPEN_API) + QTextDocument *document() const; + QTextCursor *textCursor() const; +#endif + + QString text() const; + QString text( int parag, bool formatted = FALSE ) const; + Qt::TextFormat textFormat() const; + QString fileName() const; + + void cursorPosition( int ¶g, int &index ); + void selection( int ¶g_from, int &index_from, + int ¶g_to, int &index_to ); + virtual bool find( const QString &expr, bool cs, bool wo, bool forward = TRUE, + int *parag = 0, int *index = 0 ); + void insert( const QString &text, bool indent = FALSE, bool checkNewLine = FALSE ); + + int paragraphs() const; + int lines() const; + int linesOfParagraph( int parag ) const; + int lineOfChar( int parag, int chr ); + + bool isModified() const; + + bool italic() const; + bool bold() const; + bool underline() const; + QString family() const; + int pointSize() const; + QColor color() const; + QFont font() const; + int alignment() const; + int maxLines() const; + + const QStyleSheet* styleSheet() const; + void setStyleSheet( const QStyleSheet* styleSheet ); + + void setPaper( const QBrush& pap); + QBrush paper() const; + + void setLinkColor( const QColor& ); + QColor linkColor() const; + + void setLinkUnderline( bool ); + bool linkUnderline() const; + + void setMimeSourceFactory( const QMimeSourceFactory* factory ); + const QMimeSourceFactory* mimeSourceFactory() const; + + int heightForWidth( int w ) const; + + void append( const QString& text ); + + bool hasSelectedText() const; + QString selectedText() const; + + QString context() const; + + QString documentTitle() const; + + void scrollToAnchor( const QString& name ); + QString anchorAt(const QPoint& pos); + +public slots: + virtual void undo(); + virtual void redo(); + + virtual void cut(); + virtual void copy(); + virtual void paste(); + + 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 setFont( const QFont &f ); + + virtual void setAlignment( int ); + + virtual void setParagType( QStyleSheetItem::DisplayMode, int listStyle ); + + virtual void setTextFormat( Qt::TextFormat f ); + virtual void setText( const QString &txt, const QString &context = QString::null ) { setText( txt, context, FALSE ); } + virtual void setText( const QString &txt, const QString &context, bool tabify ); + + virtual void load( const QString &fn ) { load( fn, FALSE ); } + virtual void load( const QString &fn, bool tabify ); + virtual void save( bool untabify = FALSE ) { save( QString::null, untabify ); } + virtual void save( const QString &fn, bool untabify = FALSE ); + + virtual void setCursorPosition( int parag, int index ); + virtual void setSelection( int parag_from, int index_from, + int parag_to, int index_to ); + + virtual void setModified( bool m ); + virtual void selectAll( bool select ); + + virtual void setMaxLines( int l ); + virtual void resetFormat(); + +signals: + void currentFontChanged( const QFont &f ); + void currentColorChanged( const QColor &c ); + void currentAlignmentChanged( int ); + void textChanged(); + void highlighted( const QString& ); + void linkClicked( const QString& ); + +protected: + void setFormat( QTextFormat *f, int flags ); + void drawContents( QPainter *p, int cx, int cy, int cw, int ch ); + void keyPressEvent( QKeyEvent *e ); + void resizeEvent( QResizeEvent *e ); + void contentsMousePressEvent( QMouseEvent *e ); + void contentsMouseMoveEvent( QMouseEvent *e ); + void contentsMouseReleaseEvent( QMouseEvent *e ); + void contentsMouseDoubleClickEvent( QMouseEvent *e ); +#ifndef QT_NO_DRAGANDDROP + void contentsDragEnterEvent( QDragEnterEvent *e ); + void contentsDragMoveEvent( QDragMoveEvent *e ); + void contentsDragLeaveEvent( QDragLeaveEvent *e ); + void contentsDropEvent( QDropEvent *e ); +#endif + bool eventFilter( QObject *o, QEvent *e ); + bool focusNextPrevChild( bool next ); +#if !defined(QTEXTEDIT_OPEN_API) + QTextDocument *document() const; + QTextCursor *textCursor() const; +#endif + +private slots: + void formatMore(); + void doResize(); + void doAutoScroll(); + void doChangeInterval(); + void blinkCursor(); + void setModified(); + void startDrag(); + +private: + enum MoveDirection { + MoveLeft, + MoveRight, + MoveUp, + MoveDown, + MoveHome, + MoveEnd, + MovePgUp, + MovePgDown + }; + enum KeyboardAction { + ActionBackspace, + ActionDelete, + ActionReturn + }; + + struct UndoRedoInfo { + enum Type { Invalid, Insert, Delete, Backspace, Return, RemoveSelected }; + UndoRedoInfo( QTextDocument *d ) : type( Invalid ), doc( d ) + { text = QString::null; id = -1; index = -1; } + void clear(); + inline bool valid() const { return !text.isEmpty() && id >= 0&& index >= 0; } + + QString text; + int id; + int index; + Type type; + QTextDocument *doc; + }; + +private: + virtual bool isReadOnly() const { return FALSE; } + virtual bool linksEnabled() const { return TRUE; } + void init(); + void ensureCursorVisible(); + void drawCursor( bool visible ); + void placeCursor( const QPoint &pos, QTextCursor *c = 0 ); + void moveCursor( int direction, bool shift, bool control ); + void moveCursor( int direction, bool control ); + void removeSelectedText(); + void doKeyboardAction( int action ); + bool doCompletion(); + void checkUndoRedoInfo( UndoRedoInfo::Type t ); + void repaintChanged(); + void updateCurrentFormat(); + void handleReadOnlyKeyEvent( QKeyEvent *e ); + void makeParagVisible( QTextParag *p ); + +private: + QTextDocument *doc; + QTextCursor *cursor; + bool drawAll; + bool mousePressed; + QTimer *formatTimer, *scrollTimer, *changeIntervalTimer, *blinkTimer, *dragStartTimer, *resizeTimer; + QTextParag *lastFormatted; + int interval; + QVBox *completionPopup; + QListBox *completionListBox; + int completionOffset; + UndoRedoInfo undoRedoInfo; + QTextFormat *currentFormat; + QPainter painter; + int currentAlignment; + bool inDoubleClick; + QPoint oldMousePos, mousePos; + QPixmap *buf_pixmap; + bool cursorVisible, blinkCursorVisible; + bool readOnly, modified, mightStartDrag; + QPoint dragStartPos; + int mLines; + bool firstResize; + QString onLink; + +}; + +inline QTextDocument *QTextEdit::document() const +{ + return doc; +} + +inline QTextCursor *QTextEdit::textCursor() const +{ + return cursor; +} + +#endif |