+++ /dev/null
-/***************************************************************************
- * 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) version 3. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-
-#include <QApplication>
-#include <QMenu>
-#include <QMessageBox>
-
-#include "bufferview.h"
-#include "graphicalui.h"
-#include "inputline.h"
-#include "tabcompleter.h"
-
-const int leftMargin = 3;
-
-InputLine::InputLine(QWidget *parent)
- :
-#ifdef HAVE_KDE
- KTextEdit(parent),
-#else
- QTextEdit(parent),
-#endif
- idx(0),
- tabCompleter(new TabCompleter(this))
-{
- // Make the QTextEdit look like a QLineEdit
-#if QT_VERSION >= 0x040500
- document()->setDocumentMargin(0); // new in Qt 4.5 and we really don't want it here
-#endif
- setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
- setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
- setAcceptRichText(false);
- setLineWrapMode(NoWrap);
-#ifdef HAVE_KDE
- enableFindReplace(false);
-#endif
- resetLine();
-
- connect(this, SIGNAL(textChanged()), this, SLOT(on_textChanged()));
- connect(this, SIGNAL(returnPressed()), this, SLOT(on_returnPressed()));
- connect(this, SIGNAL(textChanged(QString)), this, SLOT(on_textChanged(QString)));
-}
-
-InputLine::~InputLine() {
-}
-
-void InputLine::setCustomFont(const QFont &font) {
- setFont(font);
-}
-
-QSize InputLine::sizeHint() const {
- // use the style to determine a decent size
- QFontMetrics fm(font());
- int h = fm.lineSpacing() + 2 * frameWidth();
- QStyleOptionFrameV2 opt;
- opt.initFrom(this);
- opt.rect = QRect(0, 0, 100, h);
- opt.lineWidth = lineWidth();
- opt.midLineWidth = midLineWidth();
- opt.state |= QStyle::State_Sunken;
- QSize s = style()->sizeFromContents(QStyle::CT_LineEdit, &opt, QSize(100, h).expandedTo(QApplication::globalStrut()), this);
- return s;
-}
-
-QSize InputLine::minimumSizeHint() const {
- return sizeHint();
-}
-
-bool InputLine::eventFilter(QObject *watched, QEvent *event) {
- if(event->type() != QEvent::KeyPress)
- return false;
-
- // keys from BufferView should be sent to (and focus) the input line
- BufferView *view = qobject_cast<BufferView *>(watched);
- if(view) {
- QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
- if(keyEvent->text().length() == 1 && !(keyEvent->modifiers() & (Qt::ControlModifier ^ Qt::AltModifier)) ) { // normal key press
- QChar c = keyEvent->text().at(0);
- if(c.isLetterOrNumber() || c.isSpace() || c.isPunct() || c.isSymbol()) {
- setFocus();
- keyPressEvent(keyEvent);
- return true;
- } else
- return false;
- }
- }
- return false;
-}
-
-void InputLine::keyPressEvent(QKeyEvent * event) {
- if(event->matches(QKeySequence::Find)) {
- QAction *act = GraphicalUi::actionCollection()->action("ToggleSearchBar");
- if(act) {
- act->toggle();
- event->accept();
- return;
- }
- }
-
- switch(event->key()) {
- case Qt::Key_Up:
- event->accept();
-
- 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 {
- addToHistory(text());
- resetLine();
- }
-
- break;
-
- case Qt::Key_Return:
- case Qt::Key_Enter:
- case Qt::Key_Select:
- event->accept();
- emit returnPressed();
- break;
-
- default:
- QTextEdit::keyPressEvent(event);
- }
-}
-
-bool InputLine::addToHistory(const QString &text, bool temporary) {
- if(text.isEmpty())
- return false;
-
- Q_ASSERT(0 <= idx && idx <= history.count());
-
- if(temporary) {
- // 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(history.isEmpty() || text != history[idx - (int)(idx == history.count())]) {
- tempHistory[idx] = text;
- return true;
- }
- } else {
- if(history.isEmpty() || text != history.last()) {
- history << text;
- tempHistory.clear();
- return true;
- }
- }
- return false;
-}
-
-void InputLine::on_returnPressed() {
- if(!text().isEmpty()) {
- addToHistory(text());
- emit sendText(text());
- resetLine();
- }
-}
-
-void InputLine::on_textChanged(QString newText) {
- QStringList lineSeparators;
- lineSeparators << QString("\r\n")
- << QString('\n')
- << QString('\r');
-
- QString lineSep;
- foreach(QString separator, lineSeparators) {
- if(newText.contains(separator)) {
- lineSep = separator;
- break;
- }
- }
-
- if(lineSep.isEmpty())
- return;
-
- QStringList lines = newText.split(lineSep, QString::SkipEmptyParts);
-
- if(lines.count() >= 4) {
- QString msg = tr("Do you really want to paste %n lines?", "", lines.count());
- msg += "<p>";
- for(int i = 0; i < 3; i++) {
- msg += lines[i].left(40);
- if(lines[i].count() > 40)
- msg += "...";
- msg += "<br />";
- }
- msg += "...</p>";
- QMessageBox question(QMessageBox::NoIcon, tr("Paste Protection"), msg, QMessageBox::Yes|QMessageBox::No);
- question.setDefaultButton(QMessageBox::No);
-#ifdef Q_WS_MAC
- question.setWindowFlags(question.windowFlags() | Qt::Sheet); // Qt::Sheet is not ignored on other platforms as it should :/
-#endif
- if(question.exec() == QMessageBox::No) {
- clear();
- return;
- }
- }
-
- foreach(QString line, lines) {
- if(!line.isEmpty()) {
- resetLine();
- insert(line);
- emit returnPressed();
- }
- }
-
-// if(newText.contains(lineSep)) {
-// clear();
-// QString line = newText.section(lineSep, 0, 0);
-// QString remainder = newText.section(lineSep, 1);
-// insert(line);
-// emit returnPressed();
-// insert(remainder);
-// }
-}
-
-void InputLine::resetLine() {
- // every time the InputLine is cleared we also reset history index
- idx = history.count();
- clear();
- QTextBlockFormat format = textCursor().blockFormat();
- format.setLeftMargin(leftMargin); // we want a little space between the frame and the contents
- textCursor().setBlockFormat(format);
-}
-
-void InputLine::showHistoryEntry() {
- // if the user changed the history, display the changed line
- setPlainText(tempHistory.contains(idx) ? tempHistory[idx] : history[idx]);
- QTextCursor cursor = textCursor();
- QTextBlockFormat format = cursor.blockFormat();
- format.setLeftMargin(leftMargin); // we want a little space between the frame and the contents
- cursor.setBlockFormat(format);
- cursor.movePosition(QTextCursor::End);
- setTextCursor(cursor);
-}