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   installEventFilter(tabCompleter);
  32
  33 #ifdef Q_WS_MAC
  34   bindModifier = Qt::ControlModifier | Qt::AltModifier;
  35   jumpModifier = Qt::ControlModifier;
  36 #else
  37   bindModifier = Qt::ControlModifier;
  38   jumpModifier = Qt::AltModifier;
  39 #endif
  40
  41   connect(this, SIGNAL(returnPressed()), this, SLOT(on_returnPressed()));
  42   connect(this, SIGNAL(textChanged(QString)), this, SLOT(on_textChanged(QString)));
  43
  44 }
  45
  46 InputLine::~InputLine() {
  47 }
  48
  49 void InputLine::keyPressEvent(QKeyEvent * event) {
  50   if((event->modifiers() == jumpModifier || event->modifiers() == bindModifier) &&
  51      (Qt::Key_0 <= event->key() && event->key() <= Qt::Key_9)) {
  52     event->ignore();
  53     return;
  54   }
  55
  56   if(event->key() == Qt::Key_Up) {
  57     if(idx > 0) { idx--; setText(history[idx]); }
  58     event->accept();
  59   } else if(event->key() == Qt::Key_Down) {
  60     if(idx < history.count()) idx++;
  61     if(idx < history.count()) setText(history[idx]);
  62     else setText("");
  63     event->accept();
  64   } else if(event->key() == Qt::Key_Select) {  // for Qtopia
  65     emit returnPressed();
  66     QLineEdit::keyPressEvent(event);
  67   } else {
  68     QLineEdit::keyPressEvent(event);
  69   }
  70
  71 }
  72
  73 void InputLine::on_returnPressed() {
  74   history << text();
  75   idx = history.count();
  76   emit sendText(text());
  77   clear();
  78 }
  79
  80 void InputLine::on_textChanged(QString newText) {
  81   QStringList lineSeperators;
  82   lineSeperators << QString("\r\n")
  83                  << QString('\n')
  84                  << QString('\r');
  85
  86   QString lineSep;
  87   foreach(QString seperator, lineSeperators) {
  88     if(newText.contains(seperator)) {
  89       lineSep = seperator;
  90       break;
  91     }
  92   }
  93
  94   if(lineSep.isEmpty())
  95     return;
  96
  97   if(newText.contains(lineSep)) {
  98     clear();
  99     QString line = newText.section(lineSep, 0, 0);
 100     QString remainder = newText.section(lineSep, 1);
 101     insert(line);
 102     emit returnPressed();
 103     insert(remainder);
 104   }
 105
 106 }
 107