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62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef __SlaveWindow_H
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#define __SlaveWindow_H
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// Purpose is to create a hidden window.
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// External code can register to be called when the
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// window receives messages of a particular type.
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typedef void (*SlaveWindowCallback)(UINT uMessage, WPARAM wParam, LPARAM lParam);
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class CSlaveWindow {
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public:
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// How to get the HWND, in case you need to target for
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// events.
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HWND GetWindow();
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// How to [un]register to handle an event.
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void *Register(UINT uEvent, SlaveWindowCallback swcCallback);
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BOOL UnRegister(void *pCookie);
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// Needs to be called once the hInstance of the applciation
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// is known.
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void InitInstance(HINSTANCE hApp);
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// Details you do not care about.
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private:
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HWND m_hWnd;
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XP_List *m_pHandlers;
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HINSTANCE m_hInstance;
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public:
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CSlaveWindow();
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~CSlaveWindow();
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void WindowProc(UINT uMsg, WPARAM wParam, LPARAM lParam);
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};
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extern CSlaveWindow slavewnd;
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// Special messages we like to send to our slave window.
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// Must not go over 0x7FFF, WM_USER is 0x0400.
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#define SLAVE_BASE (WM_USER + 0x7000)
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#define SLAVE_EXITINSTANCE (SLAVE_BASE + 0x0000) // theApp.ExitInstance entered.
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#define SLAVE_INITINSTANCE (SLAVE_BASE + 0x0001) // theApp.InitInstance entered.
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#endif // __SlaveWindow_H
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