XProfan

 {$cl}
// {$batch copy "screensaver1.exe" "c:winxpscreensaver1.scr"}
/*
WinXP Parameters Information:
Select Saver:	/p hdl&
Setup:		/c:hdl&
Preview:	/s
/p Passes a HWND for the preview
/c Show options dialog
/s Start screen saver
*/
seterrorlevel -1
declare resx&,resy&,ex&,mx&,my&,pipe&,appname$,appver$,hdl&
 $U pipe.pcu = pipe.
appname$:="XProfan Screensaver";appver$:="V1.0"
case (val(substr$($winver,1,"."))<5) : _oldos// anti old OS
case pipe.is("xprofan-screensaver") : end// saver is already in use
pipe&:=pipe.create("xprofan-screensaver")// create alreadyInUse blocker

if %parcount>0

    if par$(1)=="/p"

        hdl&:=val(par$(2))

        if (hdl&)

            _preview hdl&

        endif

    elseif par$(1)=="/s"

        _main

    elseif mid$(par$(1),1,2)=="/c"

        _options

    else

        _main

    endif

else

    _main

endif

pipe.close pipe&// remove alreadyInUse blocker
end

proc _oldos

    messagebox "Sorry, but "+appname$+" "+appver$+" requires WindowsXP or higher.",appname$,16
    end

endproc

proc _main

    resx&:=%maxx// save resoltion into statics
    resy&:=%maxy
    windowstyle ( 80 | 512 )// create black window
    windowtitle appname$
    window 0,0 - 0,0
    cls 0
    showcursor 0
    setwindowpos %hwnd=0,0 - resx&,resy&;-1
    settimer 1;waitinput;killtimer// fill %mousexy sysvars and store mousepos into statics
    mx&:=%mousex
    my&:=%mousey
    settimer 500

    whilenot ex&

        waitinput

        ifnot %wmtimer

            ex&+

        else

            case ((%mousex<mx&-5) or (%mousex>mx&+5) or (%mousey<my&-5)  or (%mousey>my&+5) ) : ex&+

        endif

    wend

    killtimer
    showcursor 1

endproc

proc _preview

    parameters h&

endproc

proc _options

    messagebox appname$+" "+appver$+" is without any options."