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/*
* Copyright (c) 2002-2003 Jesper K. Pedersen <blackie@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
**/
#ifndef QT_ONLY
#include "textwidget.moc"
#endif
#include "textwidget.h"
#include "textregexp.h"
#include "selectablelineedit.h"
#include <qlayout.h>
TextWidget::TextWidget(RegExpEditorWindow* editorWindow, QWidget *parent,
const char *name)
:RegExpWidget(editorWindow, parent, name)
{
init( QString::fromLocal8Bit("") );
}
TextWidget::TextWidget( TextRegExp* regexp, RegExpEditorWindow* editorWindow,
QWidget* parent, const char* name )
: RegExpWidget( editorWindow, parent, name )
{
init(regexp->text());
}
void TextWidget::init( const QString& txt )
{
QHBoxLayout *lay = new QHBoxLayout(this);
_edit = new SelectableLineEdit( this, this, "TextWidget::edit" );
_edit->setDragEnabled( false ); //otherwise QLineEdit::mouseMoveEvent will set the cursor over and over again.
lay->addWidget(_edit);
_edit->setText( txt );
connect( _edit, SIGNAL( parentPleaseUpdate() ), this, SLOT(slotUpdate()) );
setFocusProxy( _edit );
_edit->installEventFilter( this );
connect( _edit, SIGNAL( textChanged( const QString & ) ), _editorWindow, SLOT( emitChange() ) );
}
void TextWidget::slotUpdate()
{
// I need to force the parent to repaint, as the size change of this
// widget may not be enough for the parent to change size, and in that
// case the parent would not repaint, and the text widget would not be
// resized.
QWidget *p = static_cast<QWidget*>(parent());
if (p)
p->repaint();
_editorWindow->updateContent( this );
}
QSize TextWidget::sizeHint() const
{
return _edit->sizeHint();
}
void TextWidget::paintEvent( QPaintEvent *e)
{
RegExpWidget::paintEvent(e);
}
void TextWidget::selectWidget( bool sel )
{
_edit->setSelected( sel );
}
bool TextWidget::updateSelection(bool parentSelected)
{
bool changed = RegExpWidget::updateSelection( parentSelected );
// I need to call this function all the time, else the rubber band will
// not be correctly deleted in the line edit.
_edit->setSelected( _isSelected );
return changed;
}
void TextWidget::updateAll()
{
_edit->update();
update();
}
void TextWidget::clearSelection()
{
_isSelected = false;
_edit->setSelected( false );
}
RegExp* TextWidget::regExp() const
{
return new TextRegExp( isSelected(), _edit->text() );
}
bool TextWidget::eventFilter( QObject*, QEvent* event)
{
// This is an event filter (in contrast to methods in SelectableLineEdit),
// otherwise lots of functions would need to be exported from TextWidget.
if ( event->type() == QEvent::MouseButtonRelease ) {
if ( _editorWindow->isInserting() ) {
if ( acceptWidgetInsert( _editorWindow->insertType() ) ) {
mouseReleaseEvent( static_cast<QMouseEvent*>(event) );
}
return true;
}
}
else if ( event->type() == QEvent::MouseButtonPress ) {
if ( _editorWindow->isInserting() ) {
return true;
}
else if ( isSelected() ) {
QMouseEvent* e = static_cast<QMouseEvent*>( event );
QMouseEvent ev( event->type(), mapTo(_editorWindow, e->pos()),
e->button(), e->state());
QApplication::sendEvent( _editorWindow, &ev );
return true;
}
}
else if ( event->type() == QEvent::Enter ) {
if ( _editorWindow->isInserting() ) {
if ( acceptWidgetInsert( _editorWindow->insertType() ) ) {
_edit->setCursor(crossCursor);
}
else {
_edit->setCursor(forbiddenCursor);
}
}
else if ( isSelected() ) {
_edit->setCursor( arrowCursor );
}
else {
_edit->setCursor( ibeamCursor );
}
}
else if ( event->type() == QEvent::MouseButtonDblClick && _editorWindow->isInserting() ) {
return true;
}
return false;
}
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