mirror of
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113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
/*
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Copyright (C) 2014 by Project Tox <https://tox.im>
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This file is part of qTox, a Qt-based graphical interface for Tox.
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This program is libre 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 "chatareawidget.h"
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#include <QAbstractTextDocumentLayout>
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#include <QMessageBox>
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#include <QScrollBar>
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ChatAreaWidget::ChatAreaWidget(QWidget *parent) :
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QTextEdit(parent)
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{
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setReadOnly(true);
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viewport()->setCursor(Qt::ArrowCursor);
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setContextMenuPolicy(Qt::CustomContextMenu);
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setUndoRedoEnabled(false);
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}
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ChatAreaWidget::~ChatAreaWidget()
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{
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for (ChatAction *it : messages)
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delete it;
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}
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void ChatAreaWidget::mouseReleaseEvent(QMouseEvent * event)
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{
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QTextEdit::mouseReleaseEvent(event);
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int pos = this->document()->documentLayout()->hitTest(event->pos(), Qt::ExactHit);
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if (pos > 0)
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{
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QTextCursor cursor(document());
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cursor.setPosition(pos);
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if( ! cursor.atEnd() )
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{
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cursor.setPosition(pos+1);
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QTextFormat format = cursor.charFormat();
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if (format.isImageFormat())
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{
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QString imageName = format.toImageFormat().name();
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if (QRegExp("^data:ftrans.*").exactMatch(imageName))
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{
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QString data = imageName.right(imageName.length() - 12);
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int endpos = data.indexOf("/png;base64");
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data = data.left(endpos);
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int middlepos = data.indexOf(".");
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QString widgetID = data.left(middlepos);
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QString widgetBtn = data.right(data.length() - middlepos - 1);
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emit onFileTranfertInterract(widgetID, widgetBtn);
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}
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}
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}
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}
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}
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QString ChatAreaWidget::getHtmledMessages()
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{
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QString res("<table width=100%>\n");
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for (ChatAction *it : messages)
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{
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res += it->getHtml();
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}
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res += "</table>";
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return res;
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}
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void ChatAreaWidget::insertMessage(ChatAction *msgAction)
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{
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if (msgAction == nullptr)
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return;
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messages.append(msgAction);
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//updateChatContent();
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moveCursor(QTextCursor::End);
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moveCursor(QTextCursor::PreviousCell);
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insertHtml(msgAction->getHtml());
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}
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void ChatAreaWidget::updateChatContent()
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{
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QScrollBar* scroll = verticalScrollBar();
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lockSliderToBottom = scroll && scroll->value() == scroll->maximum();
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setUpdatesEnabled(false);
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setHtml(getHtmledMessages());
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setUpdatesEnabled(true);
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if (lockSliderToBottom)
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sliderPosition = scroll->maximum();
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scroll->setValue(sliderPosition);
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}
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void ChatAreaWidget::clearMessages()
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{
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for (ChatAction *it : messages)
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delete it;
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updateChatContent();
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}
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