src/uisupport/inputline.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005/06 by The Quassel Team                             *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   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) any later version.                                   *
   9  *                                                                         *
  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.                          *
  14  *                                                                         *
  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  ***************************************************************************/
  20
  21 #include "inputline.h"
  22
  23 #include "tabcompleter.h"
  24
  25 InputLine::InputLine(QWidget *parent) : QLineEdit(parent) {
  26   idx = 0;
  27   connect(this, SIGNAL(returnPressed()), this, SLOT(enter()));
  28   tabComplete = new TabCompleter(this);
  29   connect(this, SIGNAL(nickListUpdated(QStringList)), tabComplete, SLOT(updateNickList(QStringList)));
  30 }
  31
  32 InputLine::~InputLine() {
  33   delete tabComplete;
  34 }
  35
  36 void InputLine::keyPressEvent(QKeyEvent * event) {
  37   if(event->key() == Qt::Key_Tab) { // Tabcomplete
  38     tabComplete->complete();
  39     event->accept();
  40   } else {
  41     tabComplete->disable();
  42     if(event->key() == Qt::Key_Up) {
  43       if(idx > 0) { idx--; setText(history[idx]); }
  44       event->accept();
  45     } else if(event->key() == Qt::Key_Down) {
  46       if(idx < history.count()) idx++;
  47       if(idx < history.count()) setText(history[idx]);
  48       else setText("");
  49       event->accept();
  50     } else {
  51       QLineEdit::keyPressEvent(event);
  52     }
  53   }
  54 }
  55
  56 bool InputLine::event(QEvent *e) {
  57   if(e->type() == QEvent::KeyPress) {
  58     keyPressEvent(dynamic_cast<QKeyEvent*>(e));
  59     return true;
  60   }
  61   return QLineEdit::event(e);
  62 }
  63
  64 void InputLine::enter() {
  65   history << text();
  66   idx = history.count();
  67 }
  68
  69 void InputLine::updateNickList(QStringList l) {
  70   nickList = l;
  71   emit nickListUpdated(l);
  72 }