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
  31 #ifdef Q_WS_MAC
  32   bindModifier = Qt::ControlModifier | Qt::AltModifier;
  33   jumpModifier = Qt::ControlModifier;
  34 #else
  35   bindModifier = Qt::ControlModifier;
  36   jumpModifier = Qt::AltModifier;
  37 #endif
  38
  39   connect(this, SIGNAL(returnPressed()), this, SLOT(on_returnPressed()));
  40   connect(this, SIGNAL(textChanged(QString)), this, SLOT(on_textChanged(QString)));
  41
  42 }
  43
  44 InputLine::~InputLine() {
  45 }
  46
  47 void InputLine::keyPressEvent(QKeyEvent * event) {
  48   if((event->modifiers() == jumpModifier || event->modifiers() == bindModifier) &&
  49      (Qt::Key_0 <= event->key() && event->key() <= Qt::Key_9)) {
  50     event->ignore();
  51     return;
  52   }
  53
  54   if(event->key() == Qt::Key_Up) {
  55     if(idx > 0) { idx--; setText(history[idx]); }
  56     event->accept();
  57   } else if(event->key() == Qt::Key_Down) {
  58     if(idx < history.count()) idx++;
  59     if(idx < history.count()) setText(history[idx]);
  60     else setText("");
  61     event->accept();
  62   } else if(event->key() == Qt::Key_Select) {  // for Qtopia
  63     emit returnPressed();
  64     QLineEdit::keyPressEvent(event);
  65   } else {
  66     QLineEdit::keyPressEvent(event);
  67   }
  68
  69 }
  70
  71 void InputLine::on_returnPressed() {
  72   history << text();
  73   idx = history.count();
  74   emit sendText(text());
  75   clear();
  76 }
  77
  78 void InputLine::on_textChanged(QString newText) {
  79   QStringList lineSeperators;
  80   lineSeperators << QString("\r\n")
  81                  << QString('\n')
  82                  << QString('\r');
  83
  84   QString lineSep;
  85   foreach(QString seperator, lineSeperators) {
  86     if(newText.contains(seperator)) {
  87       lineSep = seperator;
  88       break;
  89     }
  90   }
  91
  92   if(lineSep.isEmpty())
  93     return;
  94
  95   if(newText.contains(lineSep)) {
  96     clear();
  97     QString line = newText.section(lineSep, 0, 0);
  98     QString remainder = newText.section(lineSep, 1);
  99     insert(line);
 100     emit returnPressed();
 101     insert(remainder);
 102   }
 103
 104 }
 105