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/*
Copyright 2013-2015 Mats Sjöberg
This file is part of the Pumpa programme.
Pumpa is free 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.
Pumpa 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 Pumpa. If not, see <http://www.gnu.org/licenses/>.
*/
#include "recipientedit.h"
#include <QStringListModel>
#include <QDebug>
//------------------------------------------------------------------------------
RecipientEdit::RecipientEdit(QWidget* parent) :
QLineEdit(parent),
m_completer(NULL)
{
}
//------------------------------------------------------------------------------
void RecipientEdit::setChoices(QStringList choices) {
m_choices = choices;
if (m_completer)
delete m_completer;
m_completer = new QCompleter(this);
m_completer->setWidget(this);
m_completer->setCaseSensitivity(Qt::CaseInsensitive);
QStringListModel* model = new QStringListModel(choices);
m_completer->setModel(model);
//m_completer->setCompletionMode(QCompleter::PopupCompletion);
connect(m_completer, SIGNAL(activated(QString)),
this, SLOT(insertCompletion(QString)));
}
//------------------------------------------------------------------------------
void RecipientEdit::keyPressEvent(QKeyEvent* event) {
int key = event->key();
QLineEdit::keyPressEvent(event);
QPair<int, int> wordPos = wordPosAtCursor();
QString completionPrefix = text().mid(wordPos.first, wordPos.second);
qDebug() << "completionPrefix" << completionPrefix;
if (completionPrefix != m_completer->completionPrefix()) {
m_completer->setCompletionPrefix(completionPrefix);
m_completer->popup()->setCurrentIndex(m_completer->completionModel()->index(0, 0));
}
if (!event->text().isEmpty() && completionPrefix.length() > 2) {
m_completer->complete();
}
}
//------------------------------------------------------------------------------
QPair<int, int> RecipientEdit::wordPosAtCursor() {
static QRegExp whitespace("\\s+");
int cur = cursorPosition();
QString txt = text();
int startPos = cur ? txt.lastIndexOf(whitespace, cur-1) + 1 : 0;
int endPos = txt.indexOf(whitespace, cur);
if (endPos == -1)
endPos = txt.count();
int len = endPos - startPos;
return qMakePair(startPos, len);
}
//------------------------------------------------------------------------------
void RecipientEdit::insertCompletion(QString completion) {
QPair<int, int> wordPos = wordPosAtCursor();
setSelection(wordPos.first, wordPos.second);
insert(completion);
}
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