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