KIdleTime

xsyncbasedpoller.h
1/* This file is part of the KDE libraries
2 * SPDX-FileCopyrightText: 2009 Dario Freddi <drf at kde.org>
3 *
4 * SPDX-License-Identifier: LGPL-2.1-or-later
5 */
6
7#ifndef XSYNCBASEDPOLLER_H
8#define XSYNCBASEDPOLLER_H
9
10#include "kabstractidletimepoller_p.h"
11#include <QHash>
12
13#include <config-kidletime.h>
14
15#include <X11/Xlib.h>
16#include <X11/extensions/sync.h>
17#include <xcb/xcb.h>
18
19#include "fixx11h.h"
20
21class XSyncBasedPoller : public KAbstractIdleTimePoller
22{
23 Q_OBJECT
24 Q_PLUGIN_METADATA(IID KAbstractIdleTimePoller_iid FILE "xcb.json")
25 Q_INTERFACES(KAbstractIdleTimePoller)
26
27public:
28 static XSyncBasedPoller *instance();
29
30 explicit XSyncBasedPoller(QObject *parent = nullptr);
31 ~XSyncBasedPoller() override;
32
33 bool isAvailable() override;
34 bool setUpPoller() override;
35 void unloadPoller() override;
36
37 bool xcbEvent(xcb_generic_event_t *event);
38
39 QList<int> timeouts() const override;
40
41public Q_SLOTS:
42 void addTimeout(int nextTimeout) override;
43 void removeTimeout(int nextTimeout) override;
44
45 int forcePollRequest() override;
46 void catchIdleEvent() override;
47 void stopCatchingIdleEvents() override;
48 void simulateUserActivity() override;
49
50private Q_SLOTS:
51 int poll();
52 void reloadAlarms();
53
54private:
55 void setAlarm(Display *dpy, XSyncAlarm *alarm, XSyncCounter counter, XSyncTestType test, XSyncValue value);
56
57private:
58 Display *m_display;
59 xcb_connection_t *m_xcb_connection;
60
61 int m_sync_event;
62 XSyncCounter m_idleCounter;
63 QHash<int, XSyncAlarm> m_timeoutAlarm;
64 XSyncAlarm m_resetAlarm;
65 bool m_available;
66};
67
68#endif /* XSYNCBASEDPOLLER_H */
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