mirror of
https://github.com/RetroShare/RetroShare.git
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30c4a6ef93
git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6470 b45a01b8-16f6-495d-af2f-9b41ad6348cc
85 lines
4.0 KiB
C++
85 lines
4.0 KiB
C++
/****************************************************************
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* This file is distributed under the following license:
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*
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* Copyright (c) 2010, Thomas Kister
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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****************************************************************/
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/**
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* This file provides helper functions and functors for translating data from/to
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* rich text format and HTML. Its main goal is to facilitate decoding of chat
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* messages, particularly embedding special information into HTML tags.
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*/
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#ifndef HANDLE_RICH_TEXT_H_
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#define HANDLE_RICH_TEXT_H_
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/* Flags for RsHtml::formatText */
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#define RSHTML_FORMATTEXT_EMBED_SMILEYS 1
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#define RSHTML_FORMATTEXT_EMBED_LINKS 2
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#define RSHTML_FORMATTEXT_OPTIMIZE 4
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#define RSHTML_FORMATTEXT_REPLACE_LINKS 8
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#define RSHTML_FORMATTEXT_REMOVE_COLOR 16
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#define RSHTML_FORMATTEXT_FIX_COLORS 32 /* Make text readable */
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#define RSHTML_FORMATTEXT_REMOVE_FONT_WEIGHT 64 /* Remove bold */
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#define RSHTML_FORMATTEXT_REMOVE_FONT_STYLE 128 /* Remove italics */
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#define RSHTML_FORMATTEXT_REMOVE_FONT_FAMILY 256
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#define RSHTML_FORMATTEXT_REMOVE_FONT_SIZE 512
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#define RSHTML_FORMATTEXT_REMOVE_FONT (RSHTML_FORMATTEXT_REMOVE_FONT_WEIGHT | RSHTML_FORMATTEXT_REMOVE_FONT_STYLE | RSHTML_FORMATTEXT_REMOVE_FONT_FAMILY | RSHTML_FORMATTEXT_REMOVE_FONT_SIZE)
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#define RSHTML_FORMATTEXT_CLEANSTYLE (RSHTML_FORMATTEXT_REMOVE_FONT | RSHTML_FORMATTEXT_REMOVE_COLOR)
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/* Flags for RsHtml::optimizeHtml */
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#define RSHTML_OPTIMIZEHTML_MASK (RSHTML_FORMATTEXT_CLEANSTYLE | RSHTML_FORMATTEXT_FIX_COLORS | RSHTML_FORMATTEXT_OPTIMIZE)
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class QTextEdit;
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class QTextDocument;
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class QDomDocument;
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class QDomElement;
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class EmbedInHtml;
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class RetroShareLink;
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class RsHtml
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{
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public:
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RsHtml();
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static void initEmoticons(const QHash< QString, QString >& hash);
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QString formatText(QTextDocument *textDocument, const QString &text, ulong flag, const QColor &backgroundColor = Qt::white, qreal desiredContrast = 1.0);
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static bool findAnchors(const QString &text, QStringList& urls);
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static void optimizeHtml(QTextEdit *textEdit, QString &text, unsigned int flag = 0);
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static void optimizeHtml(QString &text, unsigned int flag = 0, const QColor &backgroundColor = Qt::white, qreal desiredContrast = 1.0);
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static QString toHtml(QString text, bool realHtml = true);
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static bool makeEmbeddedImage(const QString &fileName, QString &embeddedImage, const int maxPixels);
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static bool makeEmbeddedImage(const QImage &originalImage, QString &embeddedImage, const int maxPixels);
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static QString plainText(const QString &text);
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static QString plainText(const std::string &text);
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protected:
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void embedHtml(QTextDocument *textDocument, QDomDocument &doc, QDomElement ¤tElement, EmbedInHtml& embedInfos, ulong flag);
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void replaceAnchorWithImg(QDomDocument& doc, QDomElement &element, QTextDocument *textDocument, const RetroShareLink &link);
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virtual bool canReplaceAnchor(QDomDocument &doc, QDomElement &element, const RetroShareLink &link);
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virtual void anchorTextForImg(QDomDocument &doc, QDomElement &element, const RetroShareLink &link, QString &text);
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virtual void anchorStylesheetForImg(QDomDocument &doc, QDomElement &element, const RetroShareLink &link, QString &styleSheet);
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};
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#endif // HANDLE_RICH_TEXT_H_
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