1 /***************************************************************************
2 * Copyright (C) 2005/06 by the Quassel Project *
3 * devel@quassel-irc.org *
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. *
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. *
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 ***************************************************************************/
21 #include "bufferview.h"
22 #include "inputline.h"
23 #include "tabcompleter.h"
25 InputLine::InputLine(QWidget *parent)
28 tabCompleter(new TabCompleter(this))
30 connect(this, SIGNAL(returnPressed()), this, SLOT(on_returnPressed()));
31 connect(this, SIGNAL(textChanged(QString)), this, SLOT(on_textChanged(QString)));
34 InputLine::~InputLine() {
37 bool InputLine::eventFilter(QObject *watched, QEvent *event) {
38 if(event->type() != QEvent::KeyPress)
41 // keys from BufferView should be sent to (and focus) the input line
42 BufferView *view = qobject_cast<BufferView *>(watched);
44 QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
45 if(keyEvent->text().length() == 1) { // normal key press
46 QChar c = keyEvent->text().at(0);
47 if(c.isLetterOrNumber() || c.isSpace() || c.isPunct() || c.isSymbol()) {
49 keyPressEvent(keyEvent);
58 void InputLine::keyPressEvent(QKeyEvent * event) {
59 switch(event->key()) {
63 addToHistory(text(), true);
75 addToHistory(text(), true);
77 if(idx < history.count()) {
79 if(idx < history.count() || tempHistory.contains(idx)) // tempHistory might have an entry for idx == history.count() + 1
82 resetLine(); // equals clear() in this case
90 case Qt::Key_Select: // for Qtopia
94 QLineEdit::keyPressEvent(event);
98 bool InputLine::addToHistory(const QString &text, bool temporary) {
102 Q_ASSERT(0 <= idx && idx <= history.count());
104 if(history.isEmpty() || text != history[idx - (int)(idx == history.count())]) {
105 // if an entry of the history is changed, we remember it and show it again at this
106 // position until a line was actually sent
107 // sent lines get appended to the history
109 tempHistory[idx] = text;
120 void InputLine::on_returnPressed() {
121 addToHistory(text());
122 emit sendText(text());
126 void InputLine::on_textChanged(QString newText) {
127 QStringList lineSeparators;
128 lineSeparators << QString("\r\n")
133 foreach(QString separator, lineSeparators) {
134 if(newText.contains(separator)) {
140 if(lineSep.isEmpty())
143 if(newText.contains(lineSep)) {
145 QString line = newText.section(lineSep, 0, 0);
146 QString remainder = newText.section(lineSep, 1);
148 emit returnPressed();
153 void InputLine::resetLine() {
154 // every time the InputLine is cleared we also reset history index
155 idx = history.count();
159 void InputLine::showHistoryEntry() {
160 // if the user changed the history, display the changed line
161 tempHistory.contains(idx) ? setText(tempHistory[idx]) : setText(history[idx]);