1 /***************************************************************************
2 * Copyright (C) 2005/06 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
21 #include "tabcompleter.h"
23 #include "inputline.h"
25 #include "buffermodel.h"
26 #include "networkmodel.h"
28 #include "ircchannel.h"
33 TabCompleter::TabCompleter(InputLine *inputLine_)
34 : QObject(inputLine_),
35 inputLine(inputLine_),
39 inputLine->installEventFilter(this);
42 void TabCompleter::buildCompletionList() {
43 // ensure a safe state in case we return early.
44 completionMap.clear();
45 nextCompletion = completionMap.begin();
47 // this is the first time tab is pressed -> build up the completion list and it's iterator
48 QModelIndex currentIndex = Client::bufferModel()->currentIndex();
49 if(!currentIndex.data(NetworkModel::BufferIdRole).isValid())
52 NetworkId networkId = currentIndex.data(NetworkModel::NetworkIdRole).value<NetworkId>();
53 QString bufferName = currentIndex.sibling(currentIndex.row(), 0).data().toString();
55 const Network *network = Client::network(networkId);
60 QString tabAbbrev = inputLine->text().left(inputLine->cursorPosition()).section(' ',-1,-1);
61 QRegExp regex(QString("^[^a-zA-Z]*").append(QRegExp::escape(tabAbbrev)), Qt::CaseInsensitive);
63 switch(static_cast<BufferInfo::Type>(currentIndex.data(NetworkModel::BufferTypeRole).toInt())) {
64 case BufferInfo::ChannelBuffer:
65 { // scope is needed for local var declaration
66 IrcChannel *channel = network->ircChannel(bufferName);
69 foreach(IrcUser *ircUser, channel->ircUsers()) {
70 if(regex.indexIn(ircUser->nick()) > -1)
71 completionMap[ircUser->nick().toLower()] = ircUser->nick();
75 case BufferInfo::QueryBuffer:
76 if(regex.indexIn(bufferName) > -1)
77 completionMap[bufferName.toLower()] = bufferName;
78 case BufferInfo::StatusBuffer:
79 if(!network->myNick().isEmpty() && regex.indexIn(network->myNick()) > -1)
80 completionMap[network->myNick().toLower()] = network->myNick();
86 nextCompletion = completionMap.begin();
87 lastCompletionLength = tabAbbrev.length();
90 void TabCompleter::ircUserJoinedOrParted(IrcUser *ircUser) {
92 buildCompletionList();
95 void TabCompleter::complete() {
97 buildCompletionList();
101 if (nextCompletion != completionMap.end()) {
102 // clear previous completion
103 for (int i = 0; i < lastCompletionLength; i++) {
104 inputLine->backspace();
108 inputLine->insert(*nextCompletion);
110 // remember charcount to delete next time and advance to next completion
111 lastCompletionLength = nextCompletion->length();
114 // we're completing the first word of the line
115 if(inputLine->text().length() == lastCompletionLength) {
116 inputLine->insert(nickSuffix);
117 lastCompletionLength += nickSuffix.length();
120 // we're at the end of the list -> start over again
122 if(!completionMap.isEmpty()) {
123 nextCompletion = completionMap.begin();
130 void TabCompleter::reset() {
134 bool TabCompleter::eventFilter(QObject *obj, QEvent *event) {
135 if(obj != inputLine || event->type() != QEvent::KeyPress)
136 return QObject::eventFilter(obj, event);
138 QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
140 if(keyEvent->key() == Qt::Key_Tab) {