80 lines
1.8 KiB
C++
80 lines
1.8 KiB
C++
/*
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* Deskflow -- mouse and keyboard sharing utility
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* SPDX-FileCopyrightText: (C) 2012 - 2016 Symless Ltd.
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* SPDX-FileCopyrightText: (C) 2002 Chris Schoeneman
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* SPDX-License-Identifier: GPL-2.0-only WITH LicenseRef-OpenSSL-Exception
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*/
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#pragma once
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#include "deskflow/IScreenSaver.h"
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#define WIN32_LEAN_AND_MEAN
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#include <Windows.h>
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class Thread;
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//! Microsoft windows screen saver implementation
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class MSWindowsScreenSaver : public IScreenSaver
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{
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public:
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MSWindowsScreenSaver();
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~MSWindowsScreenSaver() override;
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//! @name manipulators
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//@{
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//! Check if screen saver started
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/*!
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Check if the screen saver really started. Returns false if it
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hasn't, true otherwise. When the screen saver stops, \c msg will
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be posted to the current thread's message queue with the given
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parameters.
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*/
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bool checkStarted(UINT msg, WPARAM, LPARAM);
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//@}
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// IScreenSaver overrides
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void enable() override;
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void disable() override;
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void activate() override;
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void deactivate() override;
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bool isActive() const override;
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private:
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class FindScreenSaverInfo
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{
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public:
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HDESK m_desktop;
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HWND m_window;
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};
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static BOOL CALLBACK killScreenSaverFunc(HWND hwnd, LPARAM lParam);
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void watchDesktop();
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void watchProcess(HANDLE process);
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void unwatchProcess();
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void watchDesktopThread(void *);
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void watchProcessThread(void *);
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void setSecure(bool secure, bool saveSecureAsInt);
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bool isSecure(bool *wasSecureAnInt) const;
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private:
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BOOL m_wasEnabled;
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bool m_wasSecure = false;
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bool m_wasSecureAnInt = false;
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HANDLE m_process = nullptr;
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Thread *m_watch = nullptr;
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DWORD m_threadID = 0;
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UINT m_msg = 0;
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WPARAM m_wParam = 0;
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LPARAM m_lParam = 0;
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// checkActive state. true if the screen saver is being watched
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// for deactivation (and is therefore active).
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bool m_active = false;
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};
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