plasma-framework/plasma.cpp
Aaron J. Seigo b479428114 inverse location<->direction enum mapping
svn path=/trunk/KDE/kdelibs/; revision=954611
2009-04-16 03:19:33 +00:00

111 lines
2.6 KiB
C++

/*
* Copyright 2005 by Aaron Seigo <aseigo@kde.org>
*
* This program 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, or
* (at your option) any later version.
*
* 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 Library 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.
*/
#include <plasma/plasma.h>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <plasma/containment.h>
#include <plasma/view.h>
namespace Plasma
{
qreal scalingFactor(ZoomLevel level)
{
switch (level) {
case DesktopZoom:
return 1;
break;
case GroupZoom:
return 0.5;
break;
case OverviewZoom:
return 0.2;
break;
}
// to make odd compilers not warn like silly beasts
return 1;
}
Direction locationToDirection(Location location)
{
switch (location) {
case Floating:
case Desktop:
case TopEdge:
case FullScreen:
//TODO: should we be smarter for floating and planer?
// perhaps we should take a QRect and/or QPos as well?
return Down;
case BottomEdge:
return Up;
case LeftEdge:
return Right;
case RightEdge:
return Left;
}
return Down;
}
Direction locationToInverseDirection(Location location)
{
switch (location) {
case Floating:
case Desktop:
case TopEdge:
case FullScreen:
//TODO: should we be smarter for floating and planer?
// perhaps we should take a QRect and/or QPos as well?
return Up;
case BottomEdge:
return Down;
case LeftEdge:
return Left;
case RightEdge:
return Right;
}
return Up;
}
QGraphicsView *viewFor(const QGraphicsItem *item)
{
if (!item || !item->scene()) {
return 0;
}
QGraphicsView *found = 0;
foreach (QGraphicsView *view, item->scene()->views()) {
if (view->sceneRect().intersects(item->sceneBoundingRect()) ||
view->sceneRect().contains(item->scenePos())) {
if (!found || view->isActiveWindow()) {
found = view;
}
}
}
return found;
}
} // Plasma namespace