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Diffstat (limited to '')
| -rw-r--r-- | public/sdk/inc/scrnsave.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/public/sdk/inc/scrnsave.h b/public/sdk/inc/scrnsave.h new file mode 100644 index 000000000..de5f2778e --- /dev/null +++ b/public/sdk/inc/scrnsave.h @@ -0,0 +1,192 @@ +/*****************************************************************************\ +* * +* scrnsave.h Windows NT 3.1 screensaver defines and definitions. * +* * +* Version 1.0 * +* * +* NOTE: windows.h must be #included first * +* * +* Windows NT NOTE: (Differences from Win 3.1 Screensavers) * +* * +* All Screensavers are required to have a Description string * +* of no more than 25 chars for display by the Control Panel's * +* Desktop applet. This is string 1 in the resource string * +* table of the Windows 32-bit screen saver .SCR (.EXE) file. * +* * +* Passwords for Windows NT Screen Savers are handled by the * +* Winlogon process. If the registry value: * +* * +* HKEY_CURRENT_USER\Control Panel\Desktop\ScreenSaverIsSecure * +* * +* is nonzero, Winlogon will ask for the User's login password * +* before allowing the Screen Saver to exit. All password data * +* and dialogs have been removed from individual Screensavers. * +* * +* * +* Copyright (c) 1992-1996, Microsoft Corp. All rights reserved. * +* * +\*****************************************************************************/ + +#ifndef _INC_SCRNSAVE +#define _INC_SCRNSAVE + +#include <pshpack1.h> /* Assume byte packing throughout */ + +#ifdef __cplusplus +extern "C" { /* Assume C declarations for C++ */ +#endif /* __cplusplus */ + + +/* MANDATORY string required in .RC file + * This string should contain a less than 25 char name/description of the + * screen saver. This string is what will be seen by the user in the Control + * Panel's Desktop applet screen saver listbox. + */ + +#define IDS_DESCRIPTION 1 + +/* 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_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 +#define idsDefKeyword 1010 + +/* 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... + */ +#ifdef UNICODE +LRESULT WINAPI ScreenSaverProcW (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); +# define ScreenSaverProc ScreenSaverProcW +#else +LRESULT WINAPI ScreenSaverProc (HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam); +#endif + +/* 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 hWnd, UINT msg, WPARAM wParam, LPARAM 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 hDlg, UINT message, WPARAM wParam, LPARAM 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 WINAPI RegisterDialogClasses (HANDLE hInst); + +/* The following functions are called by DefScreenSaverProc and must + * be exported by all screensavers using this model. + */ + +/* + * 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 from 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 APPNAMEBUFFERLEN 40 +#define BUFFLEN 255 + +/* The following globals are defined in scrnsave.lib */ +extern HINSTANCE hMainInstance; +extern HWND hMainWindow; +extern BOOL fChildPreview; +extern TCHAR szName[TITLEBARNAMELEN]; +extern TCHAR szAppName[APPNAMEBUFFERLEN]; +extern TCHAR szIniFile[MAXFILELEN]; +extern TCHAR szScreenSaver[22]; +extern TCHAR szHelpFile[MAXFILELEN]; +extern TCHAR szNoHelpMemory[BUFFLEN]; +extern UINT MyHelpMessage; + +/* OPTIONAL - Win95 Only */ + +#define SCRM_VERIFYPW WM_APP +/* + * This message is sent to the main screen saver window when password + * protection is enabled and the user is trying to close the screen saver. You + * can process this message and provide your own validation technology. If you + * process this message, you should also support the ScreenSaverChangePassword + * function, described below. Return zero from this message if the password + * check failed. Return nonzero for success. If you run out of memory or + * encounter a similar class of error, return non-zero so the user isn't left + * out in the cold. The default action is to call the Windows Master + * Password Router to validate the user's password. + */ + +void WINAPI ScreenSaverChangePassword( HWND hParent ); +/* + * You supply this if you provide your own authentication. Windows will call + * it when the user wants to change the password. An implementation of this + * function should present password change UI to the user. + * You should only supply this function if you also hook the SCRM_VERIFYPW + * message to validate passwords. + * The default action is to call the Windows Master Password Router. + */ + + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#include <poppack.h> + +#endif /* !_INC_SCRNSAVE */ |