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