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tqscintilla/qt/qextscintillalexerpython.cpp

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// This module implements 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.
#include <tqcolor.h>
#include <tqfont.h>
#include <tqsettings.h>
#include "qextscintillalexerpython.h"
// The list of Python keywords that can be used by other friendly lexers.
const char *QextScintillaLexerPython::keywordClass =
"and assert break class continue def del elif else except exec "
"finally for from global if import in is lambda None not or pass "
"print raise return try while yield";
// The ctor.
QextScintillaLexerPython::QextScintillaLexerPython(TQObject *parent,
const char *name)
: QextScintillaLexer(parent,name), fold_comments(FALSE),
fold_quotes(FALSE), indent_warn(NoWarning)
{
}
// The dtor.
QextScintillaLexerPython::~QextScintillaLexerPython()
{
}
// Returns the language name.
const char *QextScintillaLexerPython::language() const
{
return "Python";
}
// Returns the lexer name.
const char *QextScintillaLexerPython::lexer() const
{
return "python";
}
// Return the set of characters that can start autocompletion.
const char *QextScintillaLexerPython::autoCompletionStartCharacters() const
{
return ".";
}
// Return the list of characters that can start a block.
const char *QextScintillaLexerPython::blockStart(int *style) const
{
if (style)
*style = Operator;
return ":";
}
// Return the number of lines to look back when auto-indenting.
int QextScintillaLexerPython::blockLookback() const
{
// This must be 0 otherwise de-indenting a Python block gets very
// difficult.
return 0;
}
// Return the style used for braces.
int QextScintillaLexerPython::braceStyle() const
{
return Operator;
}
// Returns the foreground colour of the text for a style.
TQColor QextScintillaLexerPython::color(int style) const
{
switch (style)
{
case Default:
return TQColor(0x80,0x80,0x80);
case Comment:
return TQColor(0x00,0x7f,0x00);
case Number:
return TQColor(0x00,0x7f,0x7f);
case DoubleQuotedString:
case SingleQuotedString:
return TQColor(0x7f,0x00,0x7f);
case Keyword:
return TQColor(0x00,0x00,0x7f);
case TripleSingleQuotedString:
case TripleDoubleQuotedString:
return TQColor(0x7f,0x00,0x00);
case ClassName:
return TQColor(0x00,0x00,0xff);
case FunctionMethodName:
return TQColor(0x00,0x7f,0x7f);
case Operator:
case Identifier:
break;
case CommentBlock:
return TQColor(0x7f,0x7f,0x7f);
case UnclosedString:
return TQColor(0x00,0x00,0x00);
case HighlightedIdentifier:
return TQColor(0x40,0x70,0x90);
case Decorator:
return TQColor(0x80,0x50,0x00);
}
return QextScintillaLexer::color(style);
}
// Returns the end-of-line fill for a style.
bool QextScintillaLexerPython::eolFill(int style) const
{
return (style == UnclosedString);
}
// Returns the font of the text for a style.
TQFont QextScintillaLexerPython::font(int style) const
{
TQFont f;
switch (style)
{
case Comment:
#if defined(Q_OS_WIN)
f = TQFont("Comic Sans MS",9);
#else
f = TQFont("Bitstream Vera Serif",9);
#endif
break;
case DoubleQuotedString:
case SingleQuotedString:
case UnclosedString:
#if defined(Q_OS_WIN)
f = TQFont("Courier New",10);
#else
f = TQFont("Bitstream Vera Sans Mono",9);
#endif
break;
case Keyword:
case ClassName:
case FunctionMethodName:
case Operator:
f = QextScintillaLexer::font(style);
f.setBold(TRUE);
break;
default:
f = QextScintillaLexer::font(style);
}
return f;
}
// Returns the set of keywords.
const char *QextScintillaLexerPython::keywords(int set) const
{
if (set != 1)
return 0;
return keywordClass;
}
// Returns the user name of a style.
TQString QextScintillaLexerPython::description(int style) const
{
switch (style)
{
case Default:
return tr("Default");
case Comment:
return tr("Comment");
case Number:
return tr("Number");
case DoubleQuotedString:
return tr("Double-quoted string");
case SingleQuotedString:
return tr("Single-quoted string");
case Keyword:
return tr("Keyword");
case TripleSingleQuotedString:
return tr("Triple single-quoted string");
case TripleDoubleQuotedString:
return tr("Triple double-quoted string");
case ClassName:
return tr("Class name");
case FunctionMethodName:
return tr("Function or method name");
case Operator:
return tr("Operator");
case Identifier:
return tr("Identifier");
case CommentBlock:
return tr("Comment block");
case UnclosedString:
return tr("Unclosed string");
case HighlightedIdentifier:
return tr("Highlighted identifier");
case Decorator:
return tr("Decorator");
}
return TQString();
}
// Returns the background colour of the text for a style.
TQColor QextScintillaLexerPython::paper(int style) const
{
if (style == UnclosedString)
return TQColor(0xe0,0xc0,0xe0);
return QextScintillaLexer::paper(style);
}
// Refresh all properties.
void QextScintillaLexerPython::refreshProperties()
{
setCommentProp();
setQuotesProp();
setTabWhingeProp();
}
// Read properties from the settings.
bool QextScintillaLexerPython::readProperties(TQSettings &qs,const TQString &prefix)
{
int rc = TRUE, num;
bool ok, flag;
// Read the fold comments flag.
flag = qs.readBoolEntry(prefix + "foldcomments",FALSE,&ok);
if (ok)
fold_comments = flag;
else
rc = FALSE;
// Read the fold quotes flag.
flag = qs.readBoolEntry(prefix + "foldquotes",FALSE,&ok);
if (ok)
fold_quotes = flag;
else
rc = FALSE;
// Read the indentation warning.
num = qs.readNumEntry(prefix + "indentwarning",(int)NoWarning,&ok);
if (ok)
indent_warn = (IndentationWarning)num;
else
rc = FALSE;
return rc;
}
// Write properties to the settings.
bool QextScintillaLexerPython::writeProperties(TQSettings &qs,const TQString &prefix) const
{
int rc = TRUE;
// Write the fold comments flag.
if (!qs.writeEntry(prefix + "foldcomments",fold_comments))
rc = FALSE;
// Write the fold quotes flag.
if (!qs.writeEntry(prefix + "foldquotes",fold_quotes))
rc = FALSE;
// Write the indentation warning.
if (!qs.writeEntry(prefix + "indentwarning",(int)indent_warn))
rc = FALSE;
return rc;
}
// Return TRUE if comments can be folded.
bool QextScintillaLexerPython::foldComments() const
{
return fold_comments;
}
// Set if comments can be folded.
void QextScintillaLexerPython::setFoldComments(bool fold)
{
fold_comments = fold;
setCommentProp();
}
// Set the "fold.comment.python" property.
void QextScintillaLexerPython::setCommentProp()
{
emit propertyChanged("fold.comment.python",(fold_comments ? "1" : "0"));
}
// Return TRUE if quotes can be folded.
bool QextScintillaLexerPython::foldQuotes() const
{
return fold_quotes;
}
// Set if quotes can be folded.
void QextScintillaLexerPython::setFoldQuotes(bool fold)
{
fold_quotes = fold;
setQuotesProp();
}
// Set the "fold.quotes.python" property.
void QextScintillaLexerPython::setQuotesProp()
{
emit propertyChanged("fold.quotes.python",(fold_quotes ? "1" : "0"));
}
// Return the indentation warning.
QextScintillaLexerPython::IndentationWarning QextScintillaLexerPython::indentationWarning() const
{
return indent_warn;
}
// Set the indentation warning.
void QextScintillaLexerPython::setIndentationWarning(IndentationWarning warn)
{
indent_warn = warn;
setTabWhingeProp();
}
// Set the "tab.timmy.whinge.level" property.
void QextScintillaLexerPython::setTabWhingeProp()
{
emit propertyChanged("tab.timmy.whinge.level",TQString::number(indent_warn));
}