/** -*- c++ -*- * overlaywidget.h * * Copyright (c) 2004 David Faure <faure@kde.org> * * 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; version 2 of the License * * 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. * * In addition, as a special exception, the copyright holders give * permission to link the code of this program with any edition of * the TQt library by Trolltech AS, Norway (or with modified versions * of TQt that use the same license as TQt), and distribute linked * combinations including the two. You must obey the GNU General * Public License in all respects for all of the code used other than * TQt. If you modify this file, you may extend this exception to * your version of the file, but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from * your version. */ #include "overlaywidget.h" using namespace KPIM; OverlayWidget::OverlayWidget( TQWidget* alignWidget, TQWidget* parent, const char* name ) : TQHBox( parent, name ), mAlignWidget( 0 ) { setAlignWidget( alignWidget ); } OverlayWidget::~OverlayWidget() { } void OverlayWidget::reposition() { if ( !mAlignWidget ) return; // p is in the alignWidget's coordinates TQPoint p; // We are always above the alignWidget, right-aligned with it. p.setX( mAlignWidget->width() - width() ); p.setY( -height() ); // Position in the toplevelwidget's coordinates TQPoint pTopLevel = mAlignWidget->mapTo( tqtopLevelWidget(), p ); // Position in the widget's parentWidget coordinates TQPoint pParent = parentWidget()->mapFrom( tqtopLevelWidget(), pTopLevel ); // Move 'this' to that position. move( pParent ); } void OverlayWidget::setAlignWidget( TQWidget * w ) { if (w == mAlignWidget) return; if (mAlignWidget) mAlignWidget->removeEventFilter(this); mAlignWidget = w; if (mAlignWidget) mAlignWidget->installEventFilter(this); reposition(); } bool OverlayWidget::eventFilter( TQObject* o, TQEvent* e) { if ( TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(mAlignWidget) && ( e->type() == TQEvent::Move || e->type() == TQEvent::Resize ) ) { reposition(); } return TQFrame::eventFilter(o,e); } void OverlayWidget::resizeEvent( TQResizeEvent* ev ) { reposition(); TQFrame::resizeEvent( ev ); } #include "overlaywidget.moc"