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/*****************************************************************************\
* ** scrnsave.h Windows 3.1 screensaver defines and definitions.* ** Version 1.0 ** ** NOTE: windows.h must be #included first ** ** Copyright (c) 1992, Microsoft Corp. All rights reserved. ** *\*****************************************************************************/
#ifndef _INC_SCRNSAVE
#define _INC_SCRNSAVE
#ifndef RC_INVOKED
#pragma pack(1) /* Assume byte packing throughout */
#endif /* !RC_INVOKED */
#ifdef __cplusplus
extern "C" { /* Assume C declarations for C++ */#endif /* __cplusplus */
#ifndef _INC_WINDOWS /* If not included with 3.1 headers... */
#define LPCSTR LPSTR
#define WINAPI FAR PASCAL
#define CALLBACK FAR PASCAL
#define UINT WORD
#define LPARAM LONG
#define WPARAM WORD
#define LRESULT LONG
#define HMODULE HANDLE
#define HINSTANCE HANDLE
#define HLOCAL HANDLE
#define HGLOBAL HANDLE
#endif /* _INC_WINDOWS */
/* Icon resource ID.
* * This should be the first icon used and must have this resource number. * This is needed as the first icon in the file will be grabbed */#define ID_APP 100
#define DLG_CHANGEPASSWORD 2000
#define DLG_ENTERPASSWORD 2001
#define DLG_INVALIDPASSWORD 2002
#define DLG_SCRNSAVECONFIGURE 2003
#define idsIsPassword 1000
#define idsIniFile 1001
#define idsScreenSaver 1002
#define idsPassword 1003
#define idsDifferentPW 1004
#define idsChangePW 1005
#define idsBadOldPW 1006
#define idsAppName 1007
#define idsNoHelpMemory 1008
#define idsHelpFile 1009
/* This function is the Window Procedure for the screen saver. It is
* up to the programmer to handle any of the messages that wish to be * interpretted. Any unused messages are then passed back to * DefScreenSaverProc if desired which will take default action on any * unprocessed message... */LRESULT WINAPI ScreenSaverProc(HWND, unsigned, UINT, LPARAM);
/* This function performs default message processing. Currently handles
* the following messages: * * WM_SYSCOMMAND: return FALSE if wParam is SC_SCREENSAVE or SC_CLOSE * * WM_DESTROY: PostQuitMessage(0) * * WM_SETCURSOR: By default, this will set the cursor to a null cursor, * thereby removing it from the screen. * * WM_LBUTTONDOWN: * WM_MBUTTONDOWN: * WM_RBUTTONDOWN: * WM_KEYDOWN: * WM_KEYUP: * WM_MOUSEMOVE: By default, these will cause the program to terminate. * Unless the password option is enabled. In that case * the DlgGetPassword() dialog box is brought up. * * WM_NCACTIVATE: * WM_ACTIVATEAPP: * WM_ACTIVATE: By default, if the wParam parameter is FALSE (signifying * that transfer is being taken away from the application), * then the program will terminate. Termination is * accomplished by generating a WM_CLOSE message. This way, * if the user sets something up in the WM_CREATE, a * WM_DESTROY will be generated and it can be destroyed * properly. * This message is ignored, however is the password option * is enabled. */LRESULT WINAPI DefScreenSaverProc(HWND, UINT, WPARAM, LPARAM);
/* A function is also needed for configuring the screen saver. The function
* should be exactly like it is below and must be exported such that the * program can use MAKEPROCINSTANCE on it and call up a dialog box. Further- * more, the template used for the dialog must be called * ScreenSaverConfigure to allow the main function to access it... */BOOL WINAPI ScreenSaverConfigureDialog(HWND, UINT, WPARAM, LPARAM);
/* This function is called from the ScreenSaveConfigureDialog() to change
* the Screen Saver's password. Note: passwords are GLOBAL to all * screen savers using this model. Whether or not the password is enabled * is LOCAL to a particular screen saver. */BOOL WINAPI DlgChangePassword(HWND, UINT, WPARAM, LPARAM);
/* To allow the programmer the ability to register child control windows, this
* function is called prior to the creation of the dialog box. Any * registering that is required should be done here, or return TRUE if none * is needed... */BOOL _cdecl RegisterDialogClasses(HINSTANCE);
/* The following three functions are called by DefScreenSaverProc and must
* be exported by all screensavers using this model. */BOOL WINAPI DlgGetPassword(HWND, UINT, WPARAM, LPARAM);BOOL WINAPI DlgInvalidPassword(HWND, UINT, WPARAM, LPARAM);DWORD WINAPI HelpMessageFilterHookFunction(int, WORD, LPMSG);
/*
* There are only three other points that should be of notice: * 1) The screen saver must have a string declared as 'szAppName' contaning the * name of the screen saver, and it must be declared as a global. * 2) The screen saver EXE file should be renamed to a file with a SCR * extension so that the screen saver dialog form the control panel can * find it when is searches for screen savers. */#define WS_GT (WS_GROUP | WS_TABSTOP)
#define MAXFILELEN 13
#define TITLEBARNAMELEN 40
#define BUFFLEN 255
/* The following globals are defined in scrnsave.lib */extern HINSTANCE _cdecl hMainInstance;extern HWND _cdecl hMainWindow;extern char _cdecl szName[TITLEBARNAMELEN];extern char _cdecl szIsPassword[22];extern char _cdecl szIniFile[MAXFILELEN];extern char _cdecl szScreenSaver[22];extern char _cdecl szPassword[16];extern char _cdecl szDifferentPW[BUFFLEN];extern char _cdecl szChangePW[30];extern char _cdecl szBadOldPW[BUFFLEN];extern char _cdecl szHelpFile[MAXFILELEN];extern char _cdecl szNoHelpMemory[BUFFLEN];extern UINT _cdecl MyHelpMessage;extern HOOKPROC _cdecl fpMessageFilter;
#ifdef __cplusplus
}#endif /* __cplusplus */
#ifndef RC_INVOKED
#pragma pack()
#endif /* !RC_INVOKED */
#endif /* !_INC_SCRNSAVE */
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