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qTox/src/widget/form/tabcompleter.cpp
Zetok Zalbavar 67e9aeec63
Fix incorrect copyright headers
The qTox Project is not associated with the Tox Project in any way, with the
exception of "qTox" using the Tox Projet's "toxcore" collection of libraries.
In particular, the Tox Projet does not own copyright over the qTox Project's
"qTox" collection of software, source code, and assets.
The qTox Project's assets are under the sole copyright of the qTox
contributors, and no partiular rights are granted to the Tox Project.
2015-06-06 14:51:28 +01:00

137 lines
4.5 KiB
C++

/*
Copyright (C) 2005-2014 by the Quassel Project
devel@quassel-irc.org
Copyright © 2014-2015 by The qTox Project
This file is part of qTox, a Qt-based graphical interface for Tox.
qTox 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.
qTox 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
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with qTox. If not, see <http://www.gnu.org/licenses/>.
*/
/* This file was taken from the Quassel IRC client source (src/uisupport), and
was greatly simplified for use in qTox. */
#include "tabcompleter.h"
#include "src/core/core.h"
#include "src/group.h"
#include "src/widget/tool/chattextedit.h"
#include <QRegExp>
#include <QKeyEvent>
const QString TabCompleter::nickSuffix = QString(": ");
TabCompleter::TabCompleter(ChatTextEdit* msgEdit, Group* group)
: QObject{msgEdit}, msgEdit{msgEdit}, group{group},
enabled{false}, lastCompletionLength{0}
{
}
/* from quassel/src/uisupport/multilineedit.h
// Compatibility methods with the rest of the classes which still expect this to be a QLineEdit
inline QString text() const { return toPlainText(); }
inline QString html() const { return toHtml(); }
inline int cursorPosition() const { return textCursor().position(); }
inline void insert(const QString &newText) { insertPlainText(newText); }
inline void backspace() { keyPressEvent(new QKeyEvent(QEvent::KeyPress, Qt::Key_Backspace, Qt::NoModifier)); }
*/
void TabCompleter::buildCompletionList()
{
// ensure a safe state in case we return early.
completionMap.clear();
nextCompletion = completionMap.begin();
// split the string on the given RE (not chars, nums or braces/brackets) and take the last section
QString tabAbbrev = msgEdit->toPlainText().left(msgEdit->textCursor().position()).section(QRegExp("[^\\w\\d:@--_\\[\\]{}|`^.\\\\]"), -1, -1);
// that section is then used as the completion regex
QRegExp regex(QString("^[-_\\[\\]{}|`^.\\\\]*").append(QRegExp::escape(tabAbbrev)), Qt::CaseInsensitive);
for (auto name : group->getPeerList())
{
if (regex.indexIn(name) > -1)
completionMap[name.toLower()] = name;
}
nextCompletion = completionMap.begin();
lastCompletionLength = tabAbbrev.length();
}
void TabCompleter::complete()
{
if (!enabled)
{
buildCompletionList();
enabled = true;
}
if (nextCompletion != completionMap.end())
{
// clear previous completion
auto cur = msgEdit->textCursor();
cur.setPosition(cur.selectionEnd());
msgEdit->setTextCursor(cur);
for (int i = 0; i < lastCompletionLength; i++)
msgEdit->textCursor().deletePreviousChar();
// insert completion
msgEdit->insertPlainText(*nextCompletion);
// remember charcount to delete next time and advance to next completion
lastCompletionLength = nextCompletion->length();
nextCompletion++;
// we're completing the first word of the line
if (msgEdit->textCursor().position() == lastCompletionLength)
{
msgEdit->insertPlainText(nickSuffix);
lastCompletionLength += nickSuffix.length();
}
}
else
{ // we're at the end of the list -> start over again
if (!completionMap.isEmpty())
{
nextCompletion = completionMap.begin();
complete();
}
}
}
void TabCompleter::reset()
{
enabled = false;
}
// this determines the sort order
bool TabCompleter::SortableString::operator<(const SortableString &other) const
{
QString name = Core::getInstance()->getUsername();
if (this->contents == name)
return false;
else if (other.contents == name)
return true;
/* QDateTime thisTime = thisUser->lastChannelActivity(_currentBufferId);
QDateTime thatTime = thatUser->lastChannelActivity(_currentBufferId);
if (thisTime.isValid() || thatTime.isValid())
return thisTime > thatTime;
*/ // this could be a useful feature at some point
return QString::localeAwareCompare(this->contents, other.contents) < 0;
}