/***************************************************************************
- * Copyright (C) 2005/06 by The Quassel Team *
+ * Copyright (C) 2005/06 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
+ * (at your option) version 3. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
***************************************************************************/
#include "inputline.h"
-
#include "tabcompleter.h"
-InputLine::InputLine(QWidget *parent) : QLineEdit(parent) {
- idx = 0;
- connect(this, SIGNAL(returnPressed()), this, SLOT(enter()));
- tabComplete = new TabCompleter(this);
- connect(this, SIGNAL(nickListUpdated(QStringList)), tabComplete, SLOT(updateNickList(QStringList)));
+InputLine::InputLine(QWidget *parent)
+ : QLineEdit(parent),
+ idx(0),
+ tabCompleter(new TabCompleter(this))
+{
+ connect(this, SIGNAL(returnPressed()), this, SLOT(on_returnPressed()));
+ connect(this, SIGNAL(textChanged(QString)), this, SLOT(on_textChanged(QString)));
}
InputLine::~InputLine() {
- delete tabComplete;
}
void InputLine::keyPressEvent(QKeyEvent * event) {
- if(event->key() == Qt::Key_Tab) { // Tabcomplete
- tabComplete->complete();
+ switch(event->key()) {
+ case Qt::Key_Up:
event->accept();
- } else {
- tabComplete->disable();
- if(event->key() == Qt::Key_Up) {
- if(idx > 0) { idx--; setText(history[idx]); }
- event->accept();
- } else if(event->key() == Qt::Key_Down) {
- if(idx < history.count()) idx++;
- if(idx < history.count()) setText(history[idx]);
- else setText("");
- event->accept();
- } else if(event->key() == Qt::Key_Select) { // for Qtopia
- emit returnPressed();
- QLineEdit::keyPressEvent(event);
+
+ addToHistory(text(), true);
+
+ if(idx > 0) {
+ idx--;
+ showHistoryEntry();
+ }
+
+ break;
+
+ case Qt::Key_Down:
+ event->accept();
+
+ addToHistory(text(), true);
+
+ if(idx < history.count()) {
+ idx++;
+ if(idx < history.count() || tempHistory.contains(idx)) // tempHistory might have an entry for idx == history.count() + 1
+ showHistoryEntry();
+ else
+ resetLine(); // equals clear() in this case
} else {
- QLineEdit::keyPressEvent(event);
+ addToHistory(text());
+ resetLine();
}
+
+ break;
+
+ case Qt::Key_Select: // for Qtopia
+ emit returnPressed();
+
+ default:
+ QLineEdit::keyPressEvent(event);
}
}
-bool InputLine::event(QEvent *e) {
- if(e->type() == QEvent::KeyPress) {
- keyPressEvent(dynamic_cast<QKeyEvent*>(e));
+bool InputLine::addToHistory(const QString &text, bool temporary) {
+ if(text.isEmpty())
+ return false;
+
+ Q_ASSERT(0 <= idx && idx <= history.count());
+
+ if(history.isEmpty() || text != history[idx - (int)(idx == history.count())]) {
+ // if an entry of the history is changed, we remember it and show it again at this
+ // position until a line was actually sent
+ // sent lines get appended to the history
+ if(temporary) {
+ tempHistory[idx] = text;
+ } else {
+ history << text;
+ tempHistory.clear();
+ }
return true;
+ } else {
+ return false;
+ }
+}
+
+void InputLine::on_returnPressed() {
+ addToHistory(text());
+ emit sendText(text());
+ resetLine();
+}
+
+void InputLine::on_textChanged(QString newText) {
+ QStringList lineSeperators;
+ lineSeperators << QString("\r\n")
+ << QString('\n')
+ << QString('\r');
+
+ QString lineSep;
+ foreach(QString seperator, lineSeperators) {
+ if(newText.contains(seperator)) {
+ lineSep = seperator;
+ break;
+ }
+ }
+
+ if(lineSep.isEmpty())
+ return;
+
+ if(newText.contains(lineSep)) {
+ clear();
+ QString line = newText.section(lineSep, 0, 0);
+ QString remainder = newText.section(lineSep, 1);
+ insert(line);
+ emit returnPressed();
+ insert(remainder);
}
- return QLineEdit::event(e);
}
-void InputLine::enter() {
- history << text();
+void InputLine::resetLine() {
+ // every time the InputLine is cleared we also reset history index
idx = history.count();
+ clear();
}
-void InputLine::updateNickList(QStringList l) {
- nickList = l;
- emit nickListUpdated(l);
+void InputLine::showHistoryEntry() {
+ // if the user changed the history, display the changed line
+ tempHistory.contains(idx) ? setText(tempHistory[idx]) : setText(history[idx]);
}