src/uisupport/inputline.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005/06 by the Quassel Project                          *
   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) version 3.                                           *
   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)
  26   : QLineEdit(parent),
  27     idx(0),
  28     tabCompleter(new TabCompleter(this))
  29 {
  30   connect(this, SIGNAL(returnPressed()), this, SLOT(on_returnPressed()));
  31   connect(this, SIGNAL(textChanged(QString)), this, SLOT(on_textChanged(QString)));
  32 }
  33
  34 InputLine::~InputLine() {
  35 }
  36
  37 void InputLine::keyPressEvent(QKeyEvent * event) {
  38   if(event->key() == Qt::Key_Up) {
  39     if(idx > 0) { idx--; setText(history[idx]); }
  40     event->accept();
  41   } else if(event->key() == Qt::Key_Down) {
  42     if(idx < history.count()) idx++;
  43     if(idx < history.count()) setText(history[idx]);
  44     else setText("");
  45     event->accept();
  46   } else if(event->key() == Qt::Key_Select) {  // for Qtopia
  47     emit returnPressed();
  48     QLineEdit::keyPressEvent(event);
  49   } else {
  50     QLineEdit::keyPressEvent(event);
  51   }
  52
  53 }
  54
  55 void InputLine::on_returnPressed() {
  56   history << text();
  57   idx = history.count();
  58   emit sendText(text());
  59   clear();
  60 }
  61
  62 void InputLine::on_textChanged(QString newText) {
  63   QStringList lineSeperators;
  64   lineSeperators << QString("\r\n")
  65                  << QString('\n')
  66                  << QString('\r');
  67
  68   QString lineSep;
  69   foreach(QString seperator, lineSeperators) {
  70     if(newText.contains(seperator)) {
  71       lineSep = seperator;
  72       break;
  73     }
  74   }
  75
  76   if(lineSep.isEmpty())
  77     return;
  78
  79   if(newText.contains(lineSep)) {
  80     clear();
  81     QString line = newText.section(lineSep, 0, 0);
  82     QString remainder = newText.section(lineSep, 1);
  83     insert(line);
  84     emit returnPressed();
  85     insert(remainder);
  86   }
  87
  88 }
  89