1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73
|
/*
* 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 "selectablelineedit.moc"
#endif
#include "selectablelineedit.h"
SelectableLineEdit::SelectableLineEdit( RegExpWidget* owner, QWidget* parent, const char* name)
: QLineEdit( parent, name ), _owner(owner)
{
connect( this, SIGNAL( textChanged( const QString & ) ), this,
SLOT( slotKeyPressed() ) );
setAcceptDrops( false );
}
void SelectableLineEdit::setSelected( bool selected )
{
if ( selected ) {
QPalette pal = palette().copy();
pal.setBrush( QColorGroup::Base, gray );
setPalette( pal );
}
else {
unsetPalette();
}
repaint();
}
QSize SelectableLineEdit::sizeHint() const
{
int frameWidth = frame() ? 8 : 4; // from QLineEdit source
QFontMetrics metrics = fontMetrics();
int actualSize = metrics.width( text() );
int charWidth = metrics.maxWidth();
int height = QLineEdit::sizeHint().height();
int width;
if ( hasFocus() )
width = actualSize+6*charWidth + frameWidth;
else
width = QMAX(actualSize, charWidth) + frameWidth;
return QSize( width , height );
}
void SelectableLineEdit::slotKeyPressed()
{
int frameWidth = frame() ? 8 : 4; // from QLineEdit source
QFontMetrics metrics = fontMetrics();
int actualSize = metrics.width( text() );
if ( actualSize > size().width()-frameWidth ) {
repaint();
emit parentPleaseUpdate();
}
}
|