Added generic signals between Core and GUI. You can use these to avoid having to...
[quassel.git] / gui / tabcompleter.cpp
1 /***************************************************************************
2  *   Copyright (C) 2005/06 by The Quassel Team                             *
3  *   devel@quassel-irc.org                                                 *
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20
21 #include "tabcompleter.h"
22
23 TabCompleter::TabCompleter(QLineEdit *l, QObject *parent) : QObject(parent) {
24   lineEdit = l;
25   enabled = false;
26 }
27
28 void TabCompleter::updateNickList(QStringList l) {
29   nickList = l;
30 }
31
32 void TabCompleter::updateChannelList(QStringList l) {
33
34 }
35
36 void TabCompleter::buildCompletionList() {
37   // this is the first time tab is pressed -> build up the completion list and it's iterator
38   QString tabAbbrev = lineEdit->text().left(lineEdit->cursorPosition()).section(' ',-1,-1);
39   completionList.clear();
40   foreach(QString nick, nickList) {
41     if(nick.toLower().startsWith(tabAbbrev.toLower())) {
42       completionList << nick;
43     }
44   }
45   completionList.sort();
46   nextCompletion = completionList.begin();
47   lastCompletionLength = tabAbbrev.length();
48 }
49
50 void TabCompleter::complete() {
51   if (not enabled) {
52     buildCompletionList();
53     enabled = true;  
54   }
55   
56   if (nextCompletion != completionList.end()) {
57     // clear previous completion
58     for (int i = 0; i < lastCompletionLength; i++) {
59       lineEdit->backspace();
60     }
61     lineEdit->insert(*nextCompletion + ' ');
62     lastCompletionLength = nextCompletion->length() + 1;
63     nextCompletion++;
64   } else if (completionList.begin() != completionList.end()) {
65     nextCompletion = completionList.begin();
66   }
67   
68 }
69
70 void TabCompleter::disable() {
71   enabled = false;
72 }
73