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Annotation of mstools/h/scrnsave.h, revision 1.1.1.1

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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