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138 lines
3.6 KiB
C++
138 lines
3.6 KiB
C++
/*
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Copyright (C) 2013 by Maxim Biro <nurupo.contributions@gmail.com>
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This file is part of Tox Qt GUI.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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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.
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See the COPYING file for more details.
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*/
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#include "smileypack.h"
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#include "settings.h"
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#include <QFileInfo>
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#include <QFile>
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#include <QtXml>
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#include <QDebug>
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SmileyPack::SmileyPack()
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{
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load(Settings::getInstance().getSmileyPack());
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connect(&Settings::getInstance(), &Settings::smileyPackChanged, this, &SmileyPack::onSmileyPackChanged);
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}
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SmileyPack& SmileyPack::getInstance()
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{
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static SmileyPack smileyPack;
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return smileyPack;
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}
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bool SmileyPack::load(const QString& filename)
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{
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// discard old data
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assignmentTable.clear();
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cache.clear();
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// open emoticons.xml
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QFile xmlFile(filename);
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if(!xmlFile.open(QIODevice::ReadOnly))
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return false; // cannot open file
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/* parse the cfg file
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* sample:
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* <?xml version='1.0'?>
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* <messaging-emoticon-map>
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* <emoticon file="smile.png" >
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* <string>:)</string>
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* <string>:-)</string>
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* </emoticon>
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* <emoticon file="sad.png" >
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* <string>:(</string>
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* <string>:-(</string>
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* </emoticon>
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* </messaging-emoticon-map>
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*/
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QDomDocument doc;
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doc.setContent(xmlFile.readAll());
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QDomNodeList emoticonElements = doc.elementsByTagName("emoticon");
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for (int i = 0; i < emoticonElements.size(); ++i)
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{
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QString file = emoticonElements.at(i).attributes().namedItem("file").nodeValue();
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QDomElement stringElement = emoticonElements.at(i).firstChildElement("string");
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while (!stringElement.isNull())
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{
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QString rune = stringElement.text();
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assignmentTable.insert(rune, file);
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stringElement = stringElement.nextSibling().toElement();
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}
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}
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path = QFileInfo(filename).absolutePath();
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// success!
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return true;
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}
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QString SmileyPack::replaceEmoticons(QString msg)
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{
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QRegExp exp("\\S+"); // matches words
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int index = msg.indexOf(exp);
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int offset = 0;
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// if a word is key of a smiley, replace it by its corresponding image in Rich Text
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while (index >= 0)
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{
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QString key = exp.cap();
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if (assignmentTable.contains(key))
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{
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QString file = assignmentTable[key];
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if (!cache.contains(file)) {
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loadSmiley(file);
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}
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QString imgRichText = "<img src=\"data:image/png;base64," % cache[file] % "\">";
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msg.replace(index + offset, key.length(), imgRichText);
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index += imgRichText.length() - key.length();
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}
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index = msg.indexOf(exp, index + key.length());
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}
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return msg;
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}
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void SmileyPack::loadSmiley(const QString &name)
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{
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QSize size(16, 16); // TODO: adapt to text size
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QString filename = path % '/' % name;
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QImage img(filename);
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if (!img.isNull())
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{
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QImage scaledImg = img.scaled(size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
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QByteArray scaledImgData;
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QBuffer buffer(&scaledImgData);
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scaledImg.save(&buffer, "PNG");
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cache.insert(name, scaledImgData.toBase64());
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}
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}
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void SmileyPack::onSmileyPackChanged()
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{
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load(Settings::getInstance().getSmileyPack());
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}
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