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qTox/widget/tool/chatactions/filetransferaction.cpp
2014-10-11 16:26:52 +09:00

100 lines
2.7 KiB
C++

/*
Copyright (C) 2014 by Project Tox <https://tox.im>
This file is part of qTox, a Qt-based graphical interface for Tox.
This program is libre 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 3 of the License, or
(at your option) any later version.
This program is distributed 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 COPYING file for more details.
*/
#include "filetransferaction.h"
#include "filetransferinstance.h"
#include <QTextEdit>
#include <QScrollBar>
FileTransferAction::FileTransferAction(FileTransferInstance *widget, const QString &author, const QString &date, const bool &me)
: ChatAction(me, author, date)
, edit(nullptr)
{
w = widget;
connect(w, &FileTransferInstance::stateUpdated, this, &FileTransferAction::updateHtml);
}
FileTransferAction::~FileTransferAction()
{
}
QString FileTransferAction::getMessage()
{
QString widgetHtml;
if (w != nullptr)
widgetHtml = w->getHtmlImage();
else
widgetHtml = "<div class=quote>EMPTY CONTENT</div>";
return widgetHtml;
}
void FileTransferAction::setup(QTextCursor cursor, QTextEdit *textEdit)
{
cur = cursor;
cur.setKeepPositionOnInsert(true);
int end=cur.selectionEnd();
cur.setPosition(cur.position());
cur.setPosition(end, QTextCursor::KeepAnchor);
edit = textEdit;
}
void FileTransferAction::updateHtml()
{
if (cur.isNull() || !edit)
return;
// save old slider value
int vSliderVal = edit->verticalScrollBar()->value();
// update content
int pos = cur.selectionStart();
cur.removeSelectedText();
cur.setKeepPositionOnInsert(false);
cur.insertHtml(getMessage());
cur.setKeepPositionOnInsert(true);
int end = cur.position();
cur.setPosition(pos);
cur.setPosition(end, QTextCursor::KeepAnchor);
// restore old slider value
edit->verticalScrollBar()->setValue(vSliderVal);
// Free our ressources if we'll never need to update again
if (w->getState() == FileTransferInstance::TransfState::tsCanceled
|| w->getState() == FileTransferInstance::TransfState::tsFinished)
{
// name.clear();
// name.squeeze();
// date.clear();
// date.squeeze();
// cur = QTextCursor();
}
}
bool FileTransferAction::isInteractive()
{
if (w->getState() == FileTransferInstance::TransfState::tsCanceled
|| w->getState() == FileTransferInstance::TransfState::tsFinished)
{
return false;
}
return true;
}