1 | /** |
2 | * Copyright (C) 2006 Laurent Montel <montel@kde.org> |
3 | * Copyright (C) 2008 Thomas McGuire <mcguire@kde.org> |
4 | * |
5 | * This library is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU Lesser General Public |
7 | * License as published by the Free Software Foundation; either |
8 | * version 2.1 of the License, or (at your option) any later version. |
9 | * |
10 | * This library is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * Lesser General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU Lesser General Public |
16 | * License along with this library; if not, write to the Free Software |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
18 | * 02110-1301 USA |
19 | */ |
20 | |
21 | #include "emailquotehighlighter.h" |
22 | |
23 | #include "textedit.h" |
24 | |
25 | namespace KPIMTextEdit { |
26 | |
27 | class EMailQuoteHighlighter::EMailQuoteHighlighterPrivate |
28 | { |
29 | public: |
30 | QColor col1, col2, col3, misspelledColor; |
31 | bool spellCheckingEnabled; |
32 | TextEdit *parent; |
33 | }; |
34 | |
35 | EMailQuoteHighlighter::EMailQuoteHighlighter( TextEdit *textEdit, |
36 | const QColor &normalColor, |
37 | const QColor "eDepth1, |
38 | const QColor "eDepth2, |
39 | const QColor "eDepth3, |
40 | const QColor &misspelledColor ) |
41 | : Highlighter( textEdit, textEdit->configFile() ), |
42 | d( new EMailQuoteHighlighterPrivate() ) |
43 | { |
44 | Q_UNUSED( normalColor ); |
45 | // Don't automatically disable the spell checker, for example because there |
46 | // are too many misspelled words. That would also disable quote highlighting. |
47 | // FIXME: disable this spell checking! |
48 | setAutomatic( false ); |
49 | |
50 | setActive( true ); |
51 | d->col1 = quoteDepth1; |
52 | d->col2 = quoteDepth2; |
53 | d->col3 = quoteDepth3; |
54 | d->misspelledColor = misspelledColor; |
55 | d->spellCheckingEnabled = false; |
56 | d->parent = textEdit; |
57 | } |
58 | |
59 | EMailQuoteHighlighter::~EMailQuoteHighlighter() |
60 | { |
61 | } |
62 | |
63 | QString EMailQuoteHighlighter::highlightText( const QString &text, |
64 | const QColor "eDepth1, |
65 | const QColor "eDepth2, |
66 | const QColor "eDepth3 ) |
67 | { |
68 | const QStringList splitList = text.split( QLatin1Char( '\n' ) ); |
69 | QString result; |
70 | QStringList::const_iterator it = splitList.constBegin(); |
71 | QStringList::const_iterator end = splitList.constEnd(); |
72 | while ( it != end ) { |
73 | result.append( highlightParagraph( ( *it ) + QLatin1Char( '\n' ), |
74 | quoteDepth1, quoteDepth2, quoteDepth3 ) ); |
75 | ++it; |
76 | } |
77 | return result; |
78 | } |
79 | |
80 | QString EMailQuoteHighlighter::highlightParagraph( const QString &text, |
81 | const QColor "eDepth1, |
82 | const QColor "eDepth2, |
83 | const QColor "eDepth3 ) |
84 | { |
85 | QString simplified = text; |
86 | simplified = simplified.remove( QRegExp( QLatin1String( "\\s" ) ) ). |
87 | replace( QLatin1Char( '|' ), QLatin1Char( '>' ) ). |
88 | replace( QLatin1String( ">" ), QLatin1String( ">" ) ); |
89 | |
90 | while ( simplified.startsWith( QLatin1String( ">>>>" ) ) ) { |
91 | simplified = simplified.mid( 3 ); |
92 | } |
93 | |
94 | QString result( QLatin1String( "<font color=\"%1\">%2</font>" ) ); |
95 | if ( simplified.startsWith( QLatin1String( ">>>" ) ) ) { |
96 | return result.arg( quoteDepth3.name(), text ); |
97 | } else if ( simplified.startsWith( QLatin1String( ">>" ) ) ) { |
98 | return result.arg( quoteDepth2.name(), text ); |
99 | } else if ( simplified.startsWith( QLatin1String( ">" ) ) ) { |
100 | return result.arg( quoteDepth1.name(), text ); |
101 | } |
102 | |
103 | return text; |
104 | } |
105 | |
106 | void EMailQuoteHighlighter::setQuoteColor( const QColor &normalColor, |
107 | const QColor "eDepth1, |
108 | const QColor "eDepth2, |
109 | const QColor "eDepth3, |
110 | const QColor &misspelledColor ) |
111 | { |
112 | Q_UNUSED( normalColor ); |
113 | d->col1 = quoteDepth1; |
114 | d->col2 = quoteDepth2; |
115 | d->col3 = quoteDepth3; |
116 | d->misspelledColor = misspelledColor; |
117 | } |
118 | |
119 | void EMailQuoteHighlighter::toggleSpellHighlighting( bool on ) |
120 | { |
121 | if ( on != d->spellCheckingEnabled ) { |
122 | d->spellCheckingEnabled = on; |
123 | rehighlight(); |
124 | } |
125 | } |
126 | |
127 | void EMailQuoteHighlighter::highlightBlock( const QString &text ) |
128 | { |
129 | QString simplified = text; |
130 | simplified = simplified.remove( QRegExp( QLatin1String( "\\s" ) ) ). |
131 | replace( QLatin1Char( '|' ), QLatin1Char( '>' ) ); |
132 | |
133 | while ( simplified.startsWith( QLatin1String( ">>>>" ) ) ) { |
134 | simplified = simplified.mid( 3 ); |
135 | } |
136 | |
137 | if ( simplified.startsWith( QLatin1String( ">>>" ) ) ) { |
138 | setFormat( 0, text.length(), d->col3 ); |
139 | } else if ( simplified.startsWith( QLatin1String( ">>" ) ) ) { |
140 | setFormat( 0, text.length(), d->col2 ); |
141 | } else if ( simplified.startsWith( QLatin1String( ">" ) ) ) { |
142 | setFormat( 0, text.length(), d->col1 ); |
143 | } else if ( d->parent->isLineQuoted( text ) ) { |
144 | setFormat( 0, text.length(), d->col1 ); // FIXME: custom quote prefix |
145 | // can't handle multiple levels |
146 | } else if ( d->spellCheckingEnabled ) { |
147 | Highlighter::highlightBlock( text ); |
148 | return; //setCurrentBlockState already done in Highlighter::highlightBlock |
149 | } |
150 | setCurrentBlockState( 0 ); |
151 | } |
152 | |
153 | void EMailQuoteHighlighter::unsetMisspelled( int start, int count ) |
154 | { |
155 | Q_UNUSED( start ); |
156 | Q_UNUSED( count ); |
157 | } |
158 | |
159 | void EMailQuoteHighlighter::setMisspelled( int start, int count ) |
160 | { |
161 | setMisspelledColor( d->misspelledColor ); |
162 | Sonnet::Highlighter::setMisspelled( start, count ); |
163 | } |
164 | |
165 | } |
166 | |