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92 lines
2.8 KiB
92 lines
2.8 KiB
/** -*- c++ -*- |
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* overlaywidget.h |
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* |
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* Copyright (c) 2004 David Faure <faure@kde.org> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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* |
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* In addition, as a special exception, the copyright holders give |
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* permission to link the code of this program with any edition of |
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* the Qt library by Trolltech AS, Norway (or with modified versions |
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* of Qt that use the same license as Qt), and distribute linked |
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* combinations including the two. You must obey the GNU General |
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* Public License in all respects for all of the code used other than |
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* Qt. If you modify this file, you may extend this exception to |
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* your version of the file, but you are not obligated to do so. If |
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* you do not wish to do so, delete this exception statement from |
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* your version. |
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*/ |
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#include "overlaywidget.h" |
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using namespace KMail; |
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OverlayWidget::OverlayWidget( QWidget* alignWidget, QWidget* parent, const char* name ) |
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: QHBox( parent, name ), mAlignWidget( 0 ) |
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{ |
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setAlignWidget( alignWidget ); |
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} |
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OverlayWidget::~OverlayWidget() |
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{ |
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} |
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void OverlayWidget::reposition() |
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{ |
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if ( !mAlignWidget ) |
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return; |
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// p is in the alignWidget's coordinates |
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QPoint p; |
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// We are always above the alignWidget, right-aligned with it. |
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p.setX( mAlignWidget->width() - width() ); |
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p.setY( -height() ); |
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// Position in the toplevelwidget's coordinates |
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QPoint pTopLevel = mAlignWidget->mapTo( topLevelWidget(), p ); |
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// Position in the widget's parentWidget coordinates |
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QPoint pParent = parentWidget()->mapFrom( topLevelWidget(), pTopLevel ); |
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// Move 'this' to that position. |
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move( pParent ); |
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} |
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void OverlayWidget::setAlignWidget( QWidget * w ) |
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{ |
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if (w == mAlignWidget) |
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return; |
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if (mAlignWidget) |
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mAlignWidget->removeEventFilter(this); |
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mAlignWidget = w; |
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if (mAlignWidget) |
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mAlignWidget->installEventFilter(this); |
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reposition(); |
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} |
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bool OverlayWidget::eventFilter( QObject* o, QEvent* e) |
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{ |
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if ( o == mAlignWidget && |
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( e->type() == QEvent::Move || e->type() == QEvent::Resize ) ) { |
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reposition(); |
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} |
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return QFrame::eventFilter(o,e); |
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} |
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void OverlayWidget::resizeEvent( QResizeEvent* ev ) |
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{ |
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reposition(); |
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QFrame::resizeEvent( ev ); |
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} |
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#include "overlaywidget.moc"
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