kwin/scripting/screenedgeitem.cpp
Martin Gräßlin 5007a19062 Add a ScreenEdgeItem to reserve a screen edge from QML
Usage:
ScreenEdgeItem {
    edge: ScreenEdgeItem.LeftEdge
    onActivated: doSomething()
}
2013-08-13 09:57:51 +02:00

91 lines
2.2 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2013 Martin Gräßlin <mgraesslin@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; either version 2 of the License, 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 General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "screenedgeitem.h"
#include <config-kwin.h>
#ifdef KWIN_BUILD_SCREENEDGES
#include "screenedge.h"
#endif
namespace KWin
{
ScreenEdgeItem::ScreenEdgeItem(QObject* parent)
: QObject(parent)
, m_enabled(true)
, m_edge(NoEdge)
{
}
ScreenEdgeItem::~ScreenEdgeItem()
{
}
void ScreenEdgeItem::setEnabled(bool enabled)
{
if (m_enabled == enabled) {
return;
}
disableEdge();
m_enabled = enabled;
enableEdge();
emit enabledChanged();
}
void ScreenEdgeItem::setEdge(Edge edge)
{
if (m_edge == edge) {
return;
}
disableEdge();
m_edge = edge;
enableEdge();
emit edgeChanged();
}
void ScreenEdgeItem::enableEdge()
{
if (!m_enabled || m_edge == NoEdge) {
return;
}
#ifdef KWIN_BUILD_SCREENEDGES
ScreenEdges::self()->reserve(static_cast<ElectricBorder>(m_edge), this, "borderActivated");
#endif
}
void ScreenEdgeItem::disableEdge()
{
if (!m_enabled || m_edge == NoEdge) {
return;
}
#ifdef KWIN_BUILD_SCREENEDGES
ScreenEdges::self()->unreserve(static_cast<ElectricBorder>(m_edge), this);
#endif
}
bool ScreenEdgeItem::borderActivated(ElectricBorder edge)
{
if (edge != static_cast<ElectricBorder>(m_edge) || !m_enabled) {
return false;
}
emit activated();
return true;
}
} // namespace