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windowspoller.cpp
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1/* This file is part of the KDE libraries
2 Copyright (C) 2009 Dario Freddi <drf at kde.org>
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License version 2 as published by the Free Software Foundation.
7
8 This library is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 Library General Public License for more details.
12
13 You should have received a copy of the GNU Library General Public License
14 along with this library; see the file COPYING.LIB. If not, write to
15 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
16 Boston, MA 02110-1301, USA.
17*/
18
19#include "windowspoller.h"
20
21#define _WIN32_WINNT 0x0501
22#include <windows.h>
23
24#include <QTimer>
25
26WindowsPoller::WindowsPoller(QWidget *parent)
27 : WidgetBasedPoller(parent)
28{
29}
30
31WindowsPoller::~WindowsPoller()
32{
33}
34
35int WindowsPoller::getIdleTime()
36{
37#ifndef _WIN32_WCE
38 int idle = 0;
39
40 LASTINPUTINFO lii;
41 memset(&lii, 0, sizeof(lii));
42
43 lii.cbSize = sizeof(lii);
44
45 BOOL ok = GetLastInputInfo(&lii);
46 if (ok) {
47 idle = GetTickCount() - lii.dwTime;
48 }
49
50 return idle;
51#else
52 return GetIdleTime();
53#endif
54}
55
56bool WindowsPoller::additionalSetUp()
57{
58 m_idleTimer = new QTimer(this);
59 connect(m_idleTimer, SIGNAL(timeout()), this, SLOT(checkForIdle()));
60 return true;
61}
62
63void WindowsPoller::simulateUserActivity()
64{
65 int width = GetSystemMetrics(SM_CXSCREEN);
66 int height = GetSystemMetrics(SM_CYSCREEN);
67
68 int x = (int)100 * 65536 / width;
69 int y = (int)100 * 65536 / height;
70
71 mouse_event(MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE, x, y, NULL, NULL);
72}
73
74void WindowsPoller::catchIdleEvent()
75{
76 m_idleTimer->start(800);
77}
78
79void WindowsPoller::stopCatchingIdleEvents()
80{
81 m_idleTimer->stop();
82}
83
84void WindowsPoller::checkForIdle()
85{
86 if (getIdleTime() < 1000) {
87 stopCatchingIdleEvents();
88 emit resumingFromIdle();
89 }
90}
91
92#include "windowspoller.moc"
AbstractSystemPoller::resumingFromIdle
void resumingFromIdle()
QWidget
WidgetBasedPoller
Definition: widgetbasedpoller.h:28
WindowsPoller::~WindowsPoller
virtual ~WindowsPoller()
Definition: windowspoller.cpp:31
WindowsPoller::simulateUserActivity
void simulateUserActivity()
Definition: windowspoller.cpp:63
WindowsPoller::stopCatchingIdleEvents
void stopCatchingIdleEvents()
Definition: windowspoller.cpp:79
WindowsPoller::WindowsPoller
WindowsPoller(QWidget *parent=0)
Definition: windowspoller.cpp:26
WindowsPoller::catchIdleEvent
void catchIdleEvent()
Definition: windowspoller.cpp:74
timeout
int timeout
BOOL
typedef BOOL(WINAPI *PtrTzSpecificLocalTimeToSystemTime)(LPTIME_ZONE_INFORMATION lpTimeZoneInformation
ok
KGuiItem ok()
windowspoller.h
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