File indexing completed on 2024-05-12 05:32:10 

0001 /*
0002     KWin - the KDE window manager
0003     This file is part of the KDE project.
0004 
0005     SPDX-FileCopyrightText: 2013 Martin Gräßlin <mgraesslin@kde.org>
0006 
0007     SPDX-License-Identifier: GPL-2.0-or-later
0008 */
0009 #include "screenedgehandler.h"
0010 
0011 #include <config-kwin.h>
0012 
0013 #include "screenedge.h"
0014 #include "workspace.h"
0015 
0016 #include <QAction>
0017 
0018 namespace KWin
0019 {
0020 
0021 ScreenEdgeHandler::ScreenEdgeHandler(QObject *parent)
0022     : QObject(parent)
0023     , m_enabled(true)
0024     , m_edge(NoEdge)
0025     , m_action(new QAction(this))
0026 {
0027     connect(m_action, &QAction::triggered, this, &ScreenEdgeHandler::activated);
0028 }
0029 
0030 ScreenEdgeHandler::~ScreenEdgeHandler()
0031 {
0032 }
0033 
0034 void ScreenEdgeHandler::setEnabled(bool enabled)
0035 {
0036     if (m_enabled == enabled) {
0037         return;
0038     }
0039     disableEdge();
0040     m_enabled = enabled;
0041     enableEdge();
0042     Q_EMIT enabledChanged();
0043 }
0044 
0045 void ScreenEdgeHandler::setEdge(Edge edge)
0046 {
0047     if (m_edge == edge) {
0048         return;
0049     }
0050     disableEdge();
0051     m_edge = edge;
0052     enableEdge();
0053     Q_EMIT edgeChanged();
0054 }
0055 
0056 void ScreenEdgeHandler::enableEdge()
0057 {
0058     if (!m_enabled || m_edge == NoEdge) {
0059         return;
0060     }
0061     switch (m_mode) {
0062     case Mode::Pointer:
0063         workspace()->screenEdges()->reserve(static_cast<ElectricBorder>(m_edge), this, "borderActivated");
0064         break;
0065     case Mode::Touch:
0066         workspace()->screenEdges()->reserveTouch(static_cast<ElectricBorder>(m_edge), m_action);
0067         break;
0068     default:
0069         Q_UNREACHABLE();
0070     }
0071 }
0072 
0073 void ScreenEdgeHandler::disableEdge()
0074 {
0075     if (!m_enabled || m_edge == NoEdge) {
0076         return;
0077     }
0078     switch (m_mode) {
0079     case Mode::Pointer:
0080         workspace()->screenEdges()->unreserve(static_cast<ElectricBorder>(m_edge), this);
0081         break;
0082     case Mode::Touch:
0083         workspace()->screenEdges()->unreserveTouch(static_cast<ElectricBorder>(m_edge), m_action);
0084         break;
0085     default:
0086         Q_UNREACHABLE();
0087     }
0088 }
0089 
0090 bool ScreenEdgeHandler::borderActivated(ElectricBorder edge)
0091 {
0092     if (edge != static_cast<ElectricBorder>(m_edge) || !m_enabled) {
0093         return false;
0094     }
0095     Q_EMIT activated();
0096     return true;
0097 }
0098 
0099 void ScreenEdgeHandler::setMode(Mode mode)
0100 {
0101     if (m_mode == mode) {
0102         return;
0103     }
0104     disableEdge();
0105     m_mode = mode;
0106     enableEdge();
0107     Q_EMIT modeChanged();
0108 }
0109 
0110 } // namespace
0111 
0112 #include "moc_screenedgehandler.cpp"