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Annotation of mstools/h/scrnsave.h, revision 1.1

1.1     ! root        1: /*
        !             2: scrnsave.h
        !             3: 
        !             4: This is the header file for the skelton.lib file.  This file is used as a
        !             5: skeleton for creating Windows 3.0 SCR files.
        !             6: 
        !             7: Date        Modification
        !             8: 04 12 90    Original
        !             9: 04 16 90    Changed to allow control panel
        !            10: 08 28 92    [stevecat] Removed password stuff, added Mandatory ID string,
        !            11:                        and made it a public\sdk file
        !            12: 
        !            13: /* Define the number for the icon... */
        !            14: /* This should be the first icon used and must have this resource number.
        !            15: This is needed as the first icon in the file will be grabbed as well as
        !            16: the icon number being 100???... */
        !            17: #define ID_APP      100
        !            18: 
        !            19: /* MANDATORY string required in .RC file */
        !            20: /* This string should contain a < 25 char name/description of the screen 
        !            21: saver.  This string is what will be seen by the user in the Control Panel's
        !            22: Desktop applet screen saver listbox. */
        !            23: #define IDS_DESCRIPTION      1
        !            24: 
        !            25: /* This function is called by skeleton to use as a Window Procedure.  It is
        !            26: up to the programmer to handle any of the messages that wish to be
        !            27: interpretted.  Any unused messages are then passed back to DefScreenSaverProc
        !            28: if desired which will take default action on any unprocessed message... */
        !            29: 
        !            30: LONG WINAPI ScreenSaverProc (HWND hWnd, UINT message, DWORD wParam, LONG lParam);
        !            31: 
        !            32: /* This function handles any default messages.  The following interpretations
        !            33:     are:
        !            34: WM_CREATE:
        !            35: WM_DESTROY:
        !            36:     No default actions are taken.
        !            37: WM_SETCURSOR:
        !            38:     By default, this will set the cursor to a null cursor, thereby removing it
        !            39:     from the screen.
        !            40: WM_PAINT:
        !            41:     By default, this will paint the background of the screen.
        !            42: WM_LBUTTONDOWN:
        !            43: WM_MBUTTONDOWN:
        !            44: WM_RBUTTONDOWN:
        !            45: WM_KEYDOWN:
        !            46: WM_MOUSEMOVE:
        !            47:     By default, these will cause the program to terminate.
        !            48: WM_ACTIVATEAPP:
        !            49: WM_ACTIVATE:
        !            50:     By default, if the wParam parameter is FALSE ( signifying that transfer is
        !            51:     being taken away from the application ), then the program will terminate.
        !            52: 
        !            53: Termination is accomplished by generating a WM_CLOSE message.  This way, if
        !            54:     the user sets something up in the WM_CREATE, a WM_DESTROY will be
        !            55:     generated and it can be destroyed properly.
        !            56: */
        !            57: LONG WINAPI DefScreenSaverProc (HWND hWnd, UINT msg, DWORD wParam, LONG lParam);
        !            58: 
        !            59: /* A function is also needed for configuring the screen saver.  The function
        !            60:     should be exactly like it is below and must be exported such that the
        !            61:     program can use MAKEPROCINSTANCE on it and call up a dialog box. Further-
        !            62:     more, the template used for the dialog must be called ScreenSaverConfigure
        !            63:     to allow the main function to access it...
        !            64: */
        !            65: BOOL WINAPI ScreenSaverConfigureDialog (HWND hDlg, UINT message, DWORD wParam, LONG lParam);
        !            66: 
        !            67: /* To allow the programmer the ability to register child control windows, this
        !            68:     function is called prior to the creation of the dialog box.  Any
        !            69:     registering that is required should be done here, or return TRUE if none
        !            70:     is needed... */
        !            71: BOOL WINAPI RegisterDialogClasses (HANDLE hInst);
        !            72: 
        !            73: /*
        !            74: There are only three other points that should be of notice:
        !            75: 1) The screen saver must have a string declared as 'szAppName' contaning the
        !            76:     name of the screen saver, and it must be declared as a global.
        !            77: 2) The screen saver EXE file should be renamed to a file with a SCR
        !            78:     extension so that the screen saver dialog form the control panel can
        !            79:     find it when is searches for screen savers.
        !            80: 3) If the executables window or instance are needed, they can be obtained
        !            81:     by the following definitions in the files that nedd them:
        !            82: 
        !            83:     extern HANDLE   hMainInstance;
        !            84:     extern HWND     hMainWindow;
        !            85: */
        !            86: 
        !            87: #define     WS_GT   ( WS_GROUP | WS_TABSTOP )
        !            88: #define     MAXFILELEN  13
        !            89: #define     BUFFLEN    255
        !            90: 
        !            91: CHAR  szIniFile[MAXFILELEN];
        !            92: CHAR  szScreenSaver[22];
        !            93: CHAR  szHelpFile[MAXFILELEN];
        !            94: CHAR  szNoHelpMemory[BUFFLEN];
        !            95: 
        !            96: 
        !            97: 

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