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Diffstat (limited to 'kregexpeditor/selectablelineedit.cpp')
-rw-r--r-- | kregexpeditor/selectablelineedit.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/kregexpeditor/selectablelineedit.cpp b/kregexpeditor/selectablelineedit.cpp new file mode 100644 index 0000000..98aff72 --- /dev/null +++ b/kregexpeditor/selectablelineedit.cpp @@ -0,0 +1,73 @@ +/* + * 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(); + } +} |