control.c

ReactOS是一些高手根据Windows XP的内核编写出的类XP。内核实现机理和API函数调用几乎相同。甚至可以兼容XP的程序。喜欢研究系统内核的人可以看一看。

	       applet = Control_UnloadApplet(applet);
         }
         PostQuitMessage(0);
	 break;
      case WM_PAINT:
	 return Control_WndProc_Paint(panel, lParam1);
      case WM_LBUTTONUP:
	 return Control_WndProc_LButton(panel, lParam2, TRUE);
      case WM_LBUTTONDOWN:
	 return Control_WndProc_LButton(panel, lParam2, FALSE);
/* EPP       case WM_COMMAND: */
/* EPP 	 return Control_WndProc_Command(mwi, lParam1, lParam2); */
      }
   }

   return DefWindowProcA(hWnd, wMsg, lParam1, lParam2);
}

static void    Control_DoInterface(CPanel* panel, HWND hWnd, HINSTANCE hInst)
{
    WNDCLASSA	wc;
    MSG		msg;
    const CHAR* appName = "Wine Control Panel";
    wc.style = CS_HREDRAW|CS_VREDRAW;
    wc.lpfnWndProc = Control_WndProc;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = sizeof(CPlApplet*);
    wc.hInstance = hInst;
    wc.hIcon = 0;
    wc.hCursor = 0;
    wc.hbrBackground = GetStockObject(WHITE_BRUSH);
    wc.lpszMenuName = NULL;
    wc.lpszClassName = "Shell_Control_WndClass";

    if (!RegisterClassA(&wc)) return;

    CreateWindowExA(0, wc.lpszClassName, appName,
		    WS_OVERLAPPEDWINDOW | WS_VISIBLE,
		    CW_USEDEFAULT, CW_USEDEFAULT,
		    CW_USEDEFAULT, CW_USEDEFAULT,
		    hWnd, NULL, hInst, panel);
    if (!panel->hWnd) return;

    if (!panel->first) {
	/* FIXME appName & message should be localized  */
	MessageBoxA(panel->hWnd, "Cannot load any applets", appName, MB_OK);
	return;
    }

    while (GetMessageA(&msg, panel->hWnd, 0, 0)) {
        TranslateMessage(&msg);
        DispatchMessageA(&msg);
    }
}

static	void	Control_DoWindow(CPanel* panel, HWND hWnd, HINSTANCE hInst)
{
    HANDLE		h;
    WIN32_FIND_DATAW	fd;
    WCHAR		buffer[MAX_PATH];
    static const WCHAR wszAllCpl[] = {'*','.','c','p','l',0};
    WCHAR *p;

    GetSystemDirectoryW( buffer, MAX_PATH );
    p = buffer + strlenW(buffer);
    *p++ = '\\';
    lstrcpyW(p, wszAllCpl);

    if ((h = FindFirstFileW(buffer, &fd)) != INVALID_HANDLE_VALUE) {
        do {
	   lstrcpyW(p, fd.cFileName);
	   Control_LoadApplet(hWnd, buffer, panel);
	} while (FindNextFileW(h, &fd));
	FindClose(h);
    }

    Control_DoInterface(panel, hWnd, hInst);
}

static	void	Control_DoLaunch(CPanel* panel, HWND hWnd, LPCWSTR wszCmd)
   /* forms to parse:
    *	foo.cpl,@sp,str
    *	foo.cpl,@sp
    *	foo.cpl,,str
    *	foo.cpl @sp
    *	foo.cpl str
    *   "a path\foo.cpl"
    */
{
    LPWSTR	buffer;
    LPWSTR	beg = NULL;
    LPWSTR	end;
    WCHAR	ch;
    LPWSTR       ptr;
    unsigned 	sp = 0;
    LPWSTR	extraPmts = NULL;
    int        quoted = 0;
    BOOL	spSet = FALSE;

    buffer = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(wszCmd) + 1) * sizeof(*wszCmd));
    if (!buffer) return;

    end = lstrcpyW(buffer, wszCmd);

    for (;;) {
	ch = *end;
        if (ch == '"') quoted = !quoted;
	if (!quoted && (ch == ' ' || ch == ',' || ch == '\0')) {
	    *end = '\0';
	    if (beg) {
	        if (*beg == '@') {
		    sp = atoiW(beg + 1);
                    spSet = TRUE;
		} else if (*beg == '\0') {
		    sp = 0;
                    spSet = TRUE;
		} else {
		    extraPmts = beg;
		}
	    }
	    if (ch == '\0') break;
	    beg = end + 1;
	    if (ch == ' ') while (end[1] == ' ') end++;
	}
	end++;
    }
    while ((ptr = StrChrW(buffer, '"')))
	memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));

    while ((ptr = StrChrW(extraPmts, '"')))
	memmove(ptr, ptr+1, lstrlenW(ptr)*sizeof(WCHAR));

    TRACE("cmd %s, extra %s, sp %d\n", debugstr_w(buffer), debugstr_w(extraPmts), sp);

    Control_LoadApplet(hWnd, buffer, panel);

    if (panel->first) {
       CPlApplet* applet = panel->first;

       assert(applet && applet->next == NULL);
       if (sp >= applet->count) {
	  WARN("Out of bounds (%u >= %u), setting to 0\n", sp, applet->count);
	  sp = 0;
       }

       if ((extraPmts)&&(!spSet))
       {
          while ((lstrcmpiW(extraPmts, applet->info[sp].szName)) && (sp < applet->count))
            sp++;
       }

       if (applet->info[sp].dwSize) {
	  if (!applet->proc(applet->hWnd, CPL_STARTWPARMSA, sp, (LPARAM)extraPmts))
	     applet->proc(applet->hWnd, CPL_DBLCLK, sp, applet->info[sp].lData);
       }
       Control_UnloadApplet(applet);
    }
    HeapFree(GetProcessHeap(), 0, buffer);
}

/*************************************************************************
 * Control_RunDLLW			[SHELL32.@]
 *
 */
void WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
{
    CPanel	panel;

    TRACE("(%p, %p, %s, 0x%08x)\n",
	  hWnd, hInst, debugstr_w(cmd), nCmdShow);

    memset(&panel, 0, sizeof(panel));

    if (!cmd || !*cmd) {
        Control_DoWindow(&panel, hWnd, hInst);
    } else {
        Control_DoLaunch(&panel, hWnd, cmd);
    }
}

/*************************************************************************
 * Control_RunDLLA			[SHELL32.@]
 *
 */
void WINAPI Control_RunDLLA(HWND hWnd, HINSTANCE hInst, LPCSTR cmd, DWORD nCmdShow)
{
    DWORD len = MultiByteToWideChar(CP_ACP, 0, cmd, -1, NULL, 0 );
    LPWSTR wszCmd = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
    if (wszCmd && MultiByteToWideChar(CP_ACP, 0, cmd, -1, wszCmd, len ))
    {
        Control_RunDLLW(hWnd, hInst, wszCmd, nCmdShow);
    }
    HeapFree(GetProcessHeap(), 0, wszCmd);
}

/*************************************************************************
 * Control_FillCache_RunDLLW			[SHELL32.@]
 *
 */
HRESULT WINAPI Control_FillCache_RunDLLW(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
{
    FIXME("%p %p 0x%08x 0x%08x stub\n", hWnd, hModule, w, x);
    return 0;
}

/*************************************************************************
 * Control_FillCache_RunDLLA			[SHELL32.@]
 *
 */
HRESULT WINAPI Control_FillCache_RunDLLA(HWND hWnd, HANDLE hModule, DWORD w, DWORD x)
{
    return Control_FillCache_RunDLLW(hWnd, hModule, w, x);
}


/*************************************************************************
 * RunDLL_CallEntry16				[SHELL32.122]
 * the name is probably wrong
 */
void WINAPI RunDLL_CallEntry16( DWORD proc, HWND hwnd, HINSTANCE inst,
                                LPCSTR cmdline, INT cmdshow )
{
#if !defined(__CYGWIN__) && !defined (__MINGW32__) && !defined(_MSC_VER)
    WORD args[5];
    SEGPTR cmdline_seg;

    TRACE( "proc %x hwnd %p inst %p cmdline %s cmdshow %d\n",
           proc, hwnd, inst, debugstr_a(cmdline), cmdshow );

    cmdline_seg = MapLS( cmdline );
    args[4] = HWND_16(hwnd);
    args[3] = MapHModuleLS(inst);
    args[2] = SELECTOROF(cmdline_seg);
    args[1] = OFFSETOF(cmdline_seg);
    args[0] = cmdshow;
    WOWCallback16Ex( proc, WCB16_PASCAL, sizeof(args), args, NULL );
    UnMapLS( cmdline_seg );
#else
    FIXME( "proc %lx hwnd %p inst %p cmdline %s cmdshow %d\n",
           proc, hwnd, inst, debugstr_a(cmdline), cmdshow );
#endif
}

/*************************************************************************
 * CallCPLEntry16				[SHELL32.166]
 *
 * called by desk.cpl on "Advanced" with:
 * hMod("DeskCp16.Dll"), pFunc("CplApplet"), 0, 1, 0xc, 0
 *
 */
DWORD WINAPI CallCPLEntry16(HMODULE hMod, FARPROC pFunc, DWORD dw3, DWORD dw4, DWORD dw5, DWORD dw6)
{
    FIXME("(%p, %p, %08x, %08x, %08x, %08x): stub.\n", hMod, pFunc, dw3, dw4, dw5, dw6);
    return 0x0deadbee;
}