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/***************************************************************************
* Copyright (C) 2011 by David Edmundson <kde@davidedmundson.co.uk> *
* *
* 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. *
* *
* 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "chat-text-edit.h"
#include <QtGui/QMenu>
#include <QtGui/QContextMenuEvent>
#include <QtGui/QAction>
#include <QtCore/QTimer>
#include <QtCore/QDebug>
#include <KStandardShortcut>
ChatTextEdit::ChatTextEdit(QWidget *parent) :
KTextEdit(parent)
{
setWordWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere); // no need for horizontal scrollbar with this
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setCheckSpellingEnabled(true);
enableFindReplace(false);
setMinimumHeight(0);
// set to false so it doesn't paste anything unwanted apart from normal text
setAcceptRichText(false);
connect(this, SIGNAL(textChanged()), SLOT(recalculateSize()));
}
void ChatTextEdit::setFontBold(bool isBold)
{
if (isBold) {
setFontWeight(QFont::Bold);
} else {
setFontWeight(QFont::Normal);
}
}
//Size code based on LineEdit in PSI
//Justin Karneges, Michail Pishchagin
QSize ChatTextEdit::minimumSizeHint() const
{
QSize sh = KTextEdit::minimumSizeHint();
sh.setHeight(fontMetrics().height() + 1);
sh += QSize(0, QFrame::lineWidth() * 2);
return sh;
}
QSize ChatTextEdit::sizeHint() const
{
QSize sh = KTextEdit::sizeHint();
sh.setHeight(int (document()->size().height()));
sh += QSize(0, (QFrame::lineWidth() * 2) + 1);
return sh;
}
void ChatTextEdit::keyPressEvent(QKeyEvent *e)
{
if (e->key()==Qt::Key_Return && !e->modifiers()) {
Q_EMIT returnKeyPressed();
return;
}
if (e->matches(QKeySequence::Copy)) {
if (!textCursor().hasSelection()) {
QWidget::keyReleaseEvent(e); //skip internal trapping, and pass to parent.
return;
}
}
if (e->key() == Qt::Key_PageUp ||
e->key() == Qt::Key_PageDown) {
QWidget::keyPressEvent(e); //pass to parent.
return;
}
if (e->key() == Qt::Key_Tab && e->modifiers() & Qt::ControlModifier) {
QWidget::keyPressEvent(e);
return;
}
KTextEdit::keyPressEvent(e);
}
bool ChatTextEdit::event(QEvent *e)
{
if (e->type() == QEvent::ShortcutOverride) {
QKeyEvent *keyEvent = static_cast<QKeyEvent*>(e);
const int key = keyEvent->key() | keyEvent->modifiers();
if (KStandardShortcut::find().contains(key)) {
return false; //never catch "find" sequence.
}
if (KStandardShortcut::copy().contains(key)) {
if (!textCursor().hasSelection()) {
return false; //don't catch "copy" sequence if there is no selected text.
}
}
}
return KTextEdit::event(e);
}
void ChatTextEdit::resizeEvent(QResizeEvent *e)
{
KTextEdit::resizeEvent(e);
QTimer::singleShot(0, this, SLOT(updmessageBoxEventFilterateScrollBar()));
}
void ChatTextEdit::recalculateSize()
{
updateGeometry();
QTimer::singleShot(0, this, SLOT(updateScrollBar()));
}
void ChatTextEdit::updateScrollBar()
{
setVerticalScrollBarPolicy(sizeHint().height() > height() ? Qt::ScrollBarAlwaysOn : Qt::ScrollBarAlwaysOff);
ensureCursorVisible();
}
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