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// This defines the interface to the QextScintillaLexerPython class.
//
// Copyright (c) 2006
// Riverbank Computing Limited <info@riverbankcomputing.co.uk>
//
// This file is part of TQScintilla.
//
// This copy of TQScintilla is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option) any
// later version.
//
// TQScintilla is supplied in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
// details.
//
// You should have received a copy of the GNU General Public License along with
// TQScintilla; see the file LICENSE. If not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifndef TQEXTSCINTILLALEXERPYTHON_H
#define TQEXTSCINTILLALEXERPYTHON_H
#include <tqobject.h>
#include <qextscintillaglobal.h>
#include <qextscintillalexer.h>
//! \brief The QextScintillaLexerPython class encapsulates the Scintilla Python
//! lexer.
class TQEXTSCINTILLA_EXPORT QextScintillaLexerPython : public QextScintillaLexer
{
Q_OBJECT
TQ_OBJECT
public:
//! This enum defines the meanings of the different styles used by the
//! Python lexer.
enum {
//! The default.
Default = 0,
//! \deprecated White space.
WhiteSpace = Default,
//! A comment.
Comment = 1,
//! A number.
Number = 2,
//! A double-quoted string.
DoubleQuotedString = 3,
//! A single-quoted string.
SingleQuotedString = 4,
//! A keyword.
Keyword = 5,
//! A triple single-quoted string.
TripleSingleQuotedString = 6,
//! A triple double-quoted string.
TripleDoubleQuotedString = 7,
//! The name of a class.
ClassName = 8,
//! The name of a function or method.
FunctionMethodName = 9,
//! An operator.
Operator = 10,
//! An identifier
Identifier = 11,
//! A comment block.
CommentBlock = 12,
//! The end of a line where a string is not closed.
UnclosedString = 13,
//! A highlighted identifier. These are defined by keyword set
//! 2. Reimplement keywords() to define keyword set 2.
HighlightedIdentifier = 14,
//! A decorator.
Decorator = 15
};
//! This enum defines the different conditions that can cause
//! indentations to be displayed as being bad.
enum IndentationWarning {
//! Bad indentation is not displayed differently.
NoWarning = 0,
//! The indentation is inconsistent when compared to the
//! previous line, ie. it is made up of a different combination
//! of tabs and/or spaces.
Inconsistent = 1,
//! The indentation is made up of spaces followed by tabs.
TabsAfterSpaces = 2,
//! The indentation contains spaces.
Spaces = 3,
//! The indentation contains tabs.
Tabs = 4
};
//! Construct a QextScintillaLexerPython with parent \a parent and name
//! \a name. \a parent is typically the QextScintilla instance.
QextScintillaLexerPython(TQObject *parent = 0,const char *name = 0);
//! Destroys the QextScintillaLexerPython instance.
virtual ~QextScintillaLexerPython();
//! Returns the name of the language.
const char *language() const;
//! Returns the name of the lexer. Some lexers support a number of
//! languages.
const char *lexer() const;
//! \internal Returns the characters that can start auto-completion.
const char *autoCompletionStartCharacters() const;
//! \internal Returns the number of lines prior to the current one when
//! determining the scope of a block when auto-indenting.
int blockLookback() const;
//! \internal Returns a space separated list of words or characters in
//! a particular style that define the start of a block for
//! auto-indentation. The styles is returned via \a style.
const char *blockStart(int *style = 0) const;
//! \internal Returns the style used for braces for brace matching.
int braceStyle() const;
//! Returns the foreground colour of the text for style number
//! \a style.
//!
//! \sa paper()
TQColor color(int style) const;
//! Returns the end-of-line fill for style number \a style.
bool eolFill(int style) const;
//! Returns the font for style number \a style.
TQFont font(int style) const;
//! Returns the set of keywords for the keyword set \a set recognised
//! by the lexer as a space separated string.
const char *keywords(int set) const;
//! Returns the descriptive name for style number \a style. If the
//! style is invalid for this language then TQString() is returned.
//! This is intended to be used in user preference dialogs.
TQString description(int style) const;
//! Returns the background colour of the text for style number
//! \a style.
//!
//! \sa color()
TQColor paper(int style) const;
//! Causes all properties to be refreshed by emitting the
//! propertyChanged() signal as required.
void refreshProperties();
//! Returns TRUE if indented comment blocks can be folded.
//!
//! \sa setFoldComments()
bool foldComments() const;
//! Returns TRUE if triple quoted strings can be folded.
//!
//! \sa setFoldQuotes()
bool foldQuotes() const;
//! Returns the condition that will cause bad indentations to be
//! displayed.
//!
//! \sa setIndentationWarning()
IndentationWarning indentationWarning() const;
public slots:
//! If \a fold is TRUE then indented comment blocks can be folded. The
//! default is FALSE.
//!
//! \sa foldComments()
virtual void setFoldComments(bool fold);
//! If \a fold is TRUE then triple quoted strings can be folded. The
//! default is FALSE.
//!
//! \sa foldQuotes()
virtual void setFoldQuotes(bool fold);
//! Sets the condition that will cause bad indentations to be
//! displayed.
//!
//! \sa indentationWarning()
virtual void setIndentationWarning(IndentationWarning warn);
protected:
//! The lexer's properties are read from the settings \a qs. \a prefix
//! (which has a trailing '/') should be used as a prefix to the key of
//! each setting. TRUE is returned if there is no error.
//!
bool readProperties(TQSettings &qs,const TQString &prefix);
//! The lexer's properties are written to the settings \a qs.
//! \a prefix (which has a trailing '/') should be used as a prefix to
//! the key of each setting. TRUE is returned if there is no error.
//!
bool writeProperties(TQSettings &qs,const TQString &prefix) const;
private:
void setCommentProp();
void setQuotesProp();
void setTabWhingeProp();
bool fold_comments;
bool fold_quotes;
IndentationWarning indent_warn;
friend class QextScintillaLexerHTML;
static const char *keywordClass;
#if defined(TQ_DISABLE_COPY)
QextScintillaLexerPython(const QextScintillaLexerPython &);
QextScintillaLexerPython &operator=(const QextScintillaLexerPython &);
#endif
};
#endif
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