kde-playground/kdepim/messagecomposer/recipient/kwindowpositioner.cpp
2015-04-14 21:49:29 +00:00

70 lines
2.7 KiB
C++

/*
This file is part of KDE.
Copyright (c) 2005 Cornelius Schumacher <schumacher@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 as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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.
*/
#include "kwindowpositioner.h"
#include <kdebug.h>
#include <QWidget>
#include <QApplication>
#include <QDesktopWidget>
namespace MessageComposer {
KWindowPositioner::KWindowPositioner( QWidget *master, QWidget *slave,
Mode mode )
: QObject( master ), mMaster( master ), mSlave( slave ), mMode( mode )
{
}
void KWindowPositioner::reposition()
{
QPoint relativePos;
if ( mMode == Right ) {
relativePos = QPoint( mMaster->width(), 0 );
} else if ( mMode == Bottom ) {
relativePos = QPoint( mMaster->width() - mSlave->frameGeometry().width(),
mMaster->height() );
} else {
kError() <<"KWindowPositioner: Illegal mode";
}
QPoint pos = mMaster->mapToGlobal( relativePos );
// fix position to avoid hiding parts of the window (needed especially when not using KWin)
const QRect desktopRect( qApp->desktop()->availableGeometry( mMaster ) );
if ( ( pos.x() + mSlave->frameGeometry().width() ) > desktopRect.width() )
pos.setX( desktopRect.width() - mSlave->frameGeometry().width() );
if ( ( pos.y() + mSlave->frameGeometry().height() ) > desktopRect.height() )
pos.setY( desktopRect.height() - mSlave->frameGeometry().height() - mMaster->height() );
kDebug() << mMaster->pos() << mMaster->mapToGlobal(mMaster->pos()) << pos.y() << (mMaster->pos().y() - pos.y()) << mSlave->frameGeometry().height();
if ( mMode == Bottom && mMaster->mapToGlobal(mMaster->pos()).y() > pos.y() && (mMaster->pos().y() - pos.y()) < mSlave->frameGeometry().height() ) {
pos.setY( mMaster->mapToGlobal( QPoint( 0, -mSlave->frameGeometry().height() ) ).y() );
}
if ( pos.x() < desktopRect.left() )
pos.setX( desktopRect.left() );
if ( pos.y() < desktopRect.top() )
pos.setY( desktopRect.top() );
mSlave->move( pos );
mSlave->raise();
}
}