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// This module implements the QextScintillaLexerCSS 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 "qextscintillalexercss.h"


// The ctor.
QextScintillaLexerCSS::QextScintillaLexerCSS(TQObject *parent,const char *name)
	: QextScintillaLexer(parent,name), fold_comments(FALSE),
	  fold_compact(TRUE)
{
}


// The dtor.
QextScintillaLexerCSS::~QextScintillaLexerCSS()
{
}


// Returns the language name.
const char *QextScintillaLexerCSS::language() const
{
	return "CSS";
}


// Returns the lexer name.
const char *QextScintillaLexerCSS::lexer() const
{
	return "css";
}


// Return the list of characters that can start a block.
const char *QextScintillaLexerCSS::blockStart(int *style) const
{
	if (style)
		*style = Operator;

	return "{";
}


// Return the list of characters that can end a block.
const char *QextScintillaLexerCSS::blockEnd(int *style) const
{
	if (style)
		*style = Operator;

	return "}";
}


// Return the string of characters that comprise a word.
const char *QextScintillaLexerCSS::wordCharacters() const
{
	return "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-";
}


// Returns the foreground colour of the text for a style.
TQColor QextScintillaLexerCSS::color(int style) const
{
	switch (style)
	{
	case Default:
		return TQColor(0xff,0x00,0x80);

	case Tag:
		return TQColor(0x00,0x00,0x7f);

	case PseudoClass:
	case Attribute:
		return TQColor(0x80,0x00,0x00);

	case UnknownPseudoClass:
	case UnknownProperty:
		return TQColor(0xff,0x00,0x00);

	case Operator:
		return TQColor(0x00,0x00,0x00);

	case CSS1Property:
		return TQColor(0x00,0x40,0xe0);

	case Value:
	case DoubleQuotedString:
	case SingleQuotedString:
		return TQColor(0x7f,0x00,0x7f);

	case Comment:
		return TQColor(0x00,0x7f,0x00);

	case IDSelector:
		return TQColor(0x00,0x7f,0x7f);

	case Important:
		return TQColor(0xff,0x80,0x00);

	case AtRule:
		return TQColor(0x7f,0x7f,0x00);

	case CSS2Property:
		return TQColor(0x00,0xa0,0xe0);
	}

	return QextScintillaLexer::color(style);
}


// Returns the font of the text for a style.
TQFont QextScintillaLexerCSS::font(int style) const
{
	TQFont f;

	if (style == Comment)
#if defined(Q_OS_WIN)
		f = TQFont("Comic Sans MS",9);
#else
		f = TQFont("Bitstream Vera Serif",9);
#endif
	else
	{
		f = QextScintillaLexer::font(style);

		switch (style)
		{
		case Tag:
		case Important:
		case AtRule:
			f.setBold(TRUE);
			break;

		case IDSelector:
			f.setItalic(TRUE);
			break;
		}
	}

	return f;
}


// Returns the set of keywords.
const char *QextScintillaLexerCSS::keywords(int set) const
{
	if (set == 1)
		return
			"color background-color background-image "
			"background-repeat background-attachment "
			"background-position background font-family "
			"font-style font-variant font-weight font-size font "
			"word-spacing letter-spacing text-decoration "
			"vertical-align text-transform text-align "
			"text-indent line-height margin-top margin-right "
			"margin-bottom margin-left margin padding-top "
			"padding-right padding-bottom padding-left padding "
			"border-top-width border-right-width "
			"border-bottom-width border-left-width border-width "
			"border-top border-right border-bottom border-left "
			"border border-color border-style width height float "
			"clear display white-space list-style-type "
			"list-style-image list-style-position list-style";

	if (set == 2)
		return
			"first-letter first-line link active visited "
			"first-child focus hover lang before after left "
			"right first";

	if (set == 3)
		return
			"border-top-color border-right-color "
			"border-bottom-color border-left-color border-color "
			"border-top-style border-right-style "
			"border-bottom-style border-left-style border-style "
			"top right bottom left position z-index direction "
			"unicode-bidi min-width max-width min-height "
			"max-height overflow clip visibility content quotes "
			"counter-reset counter-increment marker-offset size "
			"marks page-break-before page-break-after "
			"page-break-inside page orphans widows font-stretch "
			"font-size-adjust unicode-range units-per-em src "
			"panose-1 stemv stemh slope cap-height x-height "
			"ascent descent widths bbox definition-src baseline "
			"centerline mathline topline text-shadow "
			"caption-side table-layout border-collapse "
			"border-spacing empty-cells speak-header cursor "
			"outline outline-width outline-style outline-color "
			"volume speak pause-before pause-after pause "
			"cue-before cue-after cue play-during azimuth "
			"elevation speech-rate voice-family pitch "
			"pitch-range stress richness speak-punctuation "
			"speak-numeral";

	return 0;
}


// Returns the user name of a style.
TQString QextScintillaLexerCSS::description(int style) const
{
	switch (style)
	{
	case Default:
		return tr("Default");

	case Tag:
		return tr("Tag");

	case ClassSelector:
		return tr("Class selector");

	case PseudoClass:
		return tr("Pseudo-class");

	case UnknownPseudoClass:
		return tr("Unknown pseudo-class");

	case Operator:
		return tr("Operator");

	case CSS1Property:
		return tr("CSS1 property");

	case UnknownProperty:
		return tr("Unknown property");

	case Value:
		return tr("Value");

	case IDSelector:
		return tr("ID selector");

	case Important:
		return tr("Important");

	case AtRule:
		return tr("@-rule");

	case DoubleQuotedString:
		return tr("Double-quoted string");

	case SingleQuotedString:
		return tr("Single-quoted string");

	case CSS2Property:
		return tr("CSS2 property");

	case Attribute:
		return tr("Attribute");
	}

	return TQString();
}


// Refresh all properties.
void QextScintillaLexerCSS::refreshProperties()
{
	setCommentProp();
	setCompactProp();
}


// Read properties from the settings.
bool QextScintillaLexerCSS::readProperties(TQSettings &qs,const TQString &prefix)
{
	int rc = TRUE;
	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 compact flag.
	flag = qs.readBoolEntry(prefix + "foldcompact",TRUE,&ok);

	if (ok)
		fold_compact = flag;
	else
		rc = FALSE;

	return rc;
}


// Write properties to the settings.
bool QextScintillaLexerCSS::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 compact flag.
	if (!qs.writeEntry(prefix + "foldcompact",fold_compact))
		rc = FALSE;

	return rc;
}


// Return TRUE if comments can be folded.
bool QextScintillaLexerCSS::foldComments() const
{
	return fold_comments;
}


// Set if comments can be folded.
void QextScintillaLexerCSS::setFoldComments(bool fold)
{
	fold_comments = fold;

	setCommentProp();
}


// Set the "fold.comment" property.
void QextScintillaLexerCSS::setCommentProp()
{
	emit propertyChanged("fold.comment",(fold_comments ? "1" : "0"));
}


// Return TRUE if folds are compact.
bool QextScintillaLexerCSS::foldCompact() const
{
	return fold_compact;
}


// Set if folds are compact
void QextScintillaLexerCSS::setFoldCompact(bool fold)
{
	fold_compact = fold;

	setCompactProp();
}


// Set the "fold.compact" property.
void QextScintillaLexerCSS::setCompactProp()
{
	emit propertyChanged("fold.compact",(fold_compact ? "1" : "0"));
}