104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
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// Copyright (c) 1999 Microsoft Corporation. All Rights Reserved.
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#include <stdafx.h>
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#include <windows.h>
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#include "msgwindow.h"
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extern CComModule _Module;
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// limit to this file
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//
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static const TCHAR szClassName[] = TEXT("CMSWEBDVDMsgWindowClass");
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static const TCHAR szDefaultWindowName[] = TEXT("CMSWEBDVDMsgWindowClassName");
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//
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// CMessageWindow class implementation
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// Generic goo to create a dummy window to handle events
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//
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static LRESULT CALLBACK StaticMsgWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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CMsgWindow* win = (CMsgWindow*) GetWindowLongPtr( hWnd, GWLP_USERDATA );
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if( !win ) {
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if( uMsg == WM_CREATE) {
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// on WM_CREATE messages the last parameter to CreateWindow() is returned in the lparam
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CREATESTRUCT* pCreate = (CREATESTRUCT *)lParam;
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win = (CMsgWindow*) pCreate->lpCreateParams;
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SetWindowLongPtr(hWnd, GWLP_USERDATA, (LONG_PTR)win);
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win->SetHandle(hWnd);
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} else {
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return DefWindowProc( hWnd, uMsg, wParam, lParam);
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}
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}
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return win->WndProc( uMsg, wParam, lParam );
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}
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CMsgWindow::CMsgWindow()
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: m_hWnd( NULL )
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{
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WNDCLASS wc; // class data
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if (!GetClassInfo(_Module.GetModuleInstance(), szClassName, &wc))
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{
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//
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// Register message window class
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//
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ZeroMemory(&wc, sizeof(wc)) ;
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wc.lpfnWndProc = StaticMsgWndProc ;
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wc.hInstance = _Module.GetModuleInstance() ;
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wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
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wc.lpszClassName = szClassName;
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wc.cbWndExtra = sizeof( LONG_PTR );
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if (0 == RegisterClass(&wc) ) // Oops, just leave; we'll catch later...
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{
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}
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}
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}
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bool CMsgWindow::Open( LPCTSTR pWindowName )
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{
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if( m_hWnd ) {
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DestroyWindow( m_hWnd );
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}
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if (NULL == pWindowName) {
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pWindowName = szDefaultWindowName;
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}
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//
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// m_hWnd is assigned during WM_CREATE message processing
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//
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HWND hwnd =
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CreateWindowEx(WS_EX_TOOLWINDOW, szClassName, pWindowName,
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WS_ICONIC, 0, 0, 1, 1, NULL, NULL,
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GetModuleHandle(NULL),
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this );
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return (NULL != hwnd);
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}
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bool CMsgWindow::Close(){
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if(m_hWnd){
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DestroyWindow(m_hWnd);
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//SetWindowLongPtr(m_hWnd, GWLP_USERDATA, (LONG_PTR)0);
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//PostMessage(m_hWnd, WM_CLOSE, 0, 0);
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//m_hWnd = NULL;
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}/* end of if statement */
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return(true);
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}/* end of function Close */
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CMsgWindow::~CMsgWindow()
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{
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SetWindowLongPtr(m_hWnd, GWLP_USERDATA, (LONG_PTR)0);
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PostMessage(m_hWnd, WM_CLOSE, 0, 0);
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}
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LRESULT CMsgWindow::WndProc( UINT uMsg, WPARAM wParam, LPARAM lParam )
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{
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return DefWindowProc(m_hWnd, uMsg, wParam, lParam);
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}
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