Initial import of qscintilla from 2007

1 files changed, 407 insertions, 0 deletions

diff --git a/qt/qextscintillalexerpython.cpp b/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 QScintilla.
+// 
+// This copy of QScintilla 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.
+// 
+// QScintilla 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
+// QScintilla; see the file LICENSE.  If not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#include <qcolor.h>
+#include <qfont.h>
+#include <qsettings.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(QObject *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.
+QColor QextScintillaLexerPython::color(int style) const
+{
+	switch (style)
+	{
+	case Default:
+		return QColor(0x80,0x80,0x80);
+
+	case Comment:
+		return QColor(0x00,0x7f,0x00);
+
+	case Number:
+		return QColor(0x00,0x7f,0x7f);
+
+	case DoubleQuotedString:
+	case SingleQuotedString:
+		return QColor(0x7f,0x00,0x7f);
+
+	case Keyword:
+		return QColor(0x00,0x00,0x7f);
+
+	case TripleSingleQuotedString:
+	case TripleDoubleQuotedString:
+		return QColor(0x7f,0x00,0x00);
+
+	case ClassName:
+		return QColor(0x00,0x00,0xff);
+
+	case FunctionMethodName:
+		return QColor(0x00,0x7f,0x7f);
+
+	case Operator:
+	case Identifier:
+		break;
+
+	case CommentBlock:
+		return QColor(0x7f,0x7f,0x7f);
+
+	case UnclosedString:
+		return QColor(0x00,0x00,0x00);
+
+	case HighlightedIdentifier:
+		return QColor(0x40,0x70,0x90);
+
+	case Decorator:
+		return QColor(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.
+QFont QextScintillaLexerPython::font(int style) const
+{
+	QFont f;
+
+	switch (style)
+	{
+	case Comment:
+#if defined(Q_OS_WIN)
+		f = QFont("Comic Sans MS",9);
+#else
+		f = QFont("Bitstream Vera Serif",9);
+#endif
+		break;
+
+	case DoubleQuotedString:
+	case SingleQuotedString:
+	case UnclosedString:
+#if defined(Q_OS_WIN)
+		f = QFont("Courier New",10);
+#else
+		f = QFont("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.
+QString 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 QString::null;
+}
+
+
+// Returns the background colour of the text for a style.
+QColor QextScintillaLexerPython::paper(int style) const
+{
+	if (style == UnclosedString)
+		return QColor(0xe0,0xc0,0xe0);
+
+	return QextScintillaLexer::paper(style);
+}
+
+
+// Refresh all properties.
+void QextScintillaLexerPython::refreshProperties()
+{
+	setCommentProp();
+	setQuotesProp();
+	setTabWhingeProp();
+}
+
+
+// Read properties from the settings.
+bool QextScintillaLexerPython::readProperties(QSettings &qs,const QString &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(QSettings &qs,const QString &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",QString::number(indent_warn));
+}