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implementation module osfileselect
import StdBool, StdInt
import clCrossCall_12, osevent
from clCCall_12 import winMakeCString, winGetCStringAndFree, winReleaseCString, :: CSTR
from commondef import fatalError
import code from "cCrossCallFileSelectors_121.o"
osfileselectFatalError :: String String -> .x
osfileselectFatalError function error
= fatalError function "osfileselect" error
osInitialiseFileSelectors :: !*OSToolbox -> *OSToolbox
osInitialiseFileSelectors _
= code
{
.inline InstallCrossCallFileSelectors
ccall InstallCrossCallFileSelectors "I-I"
.end
}
osSelectinputfile :: !(OSEvent->.s->.s) !.s !*OSToolbox -> (!Bool,!String,!.s,!*OSToolbox)
osSelectinputfile handleOSEvent state tb
# (rcci,state,tb) = issueCleanRequest (callback handleOSEvent) (Rq0Cci CcRqFILEOPENDIALOG) state tb
# (ok,name,tb) = getinputfilename rcci tb
= (ok,name,state,tb)
where
getinputfilename :: !CrossCallInfo !*OSToolbox -> (!Bool,!String,!*OSToolbox)
getinputfilename {ccMsg=CcRETURN2,p1=ok,p2=ptr} tb
| ok==0
= (False,"",tb)
| otherwise
# (pathname,tb) = winGetCStringAndFree ptr tb
= (True,pathname,tb)
getinputfilename {ccMsg=CcWASQUIT} tb
= (False,"",tb)
getinputfilename {ccMsg} _
= osfileselectFatalError "osSelectinputfile" ("unexpected ccMsg field of return CrossCallInfo ("+++toString ccMsg+++")")
osSelectoutputfile :: !(OSEvent->.s->.s) !.s !String !String !*OSToolbox -> (!Bool,!String,!.s,!*OSToolbox)
osSelectoutputfile handleOSEvent state prompt filename tb
# (promptptr, tb) = winMakeCString prompt tb
# (filenameptr,tb) = winMakeCString filename tb
# (rcci,state, tb) = issueCleanRequest (callback handleOSEvent) (Rq2Cci CcRqFILESAVEDIALOG promptptr filenameptr) state tb
# tb = winReleaseCString promptptr tb
# tb = winReleaseCString filenameptr tb
# (ok,name,tb) = getoutputfilename rcci tb
= (ok,name,state,tb)
where
getoutputfilename :: !CrossCallInfo !*OSToolbox -> (!Bool,!String,!*OSToolbox)
getoutputfilename {ccMsg=CcRETURN2,p1=ok,p2=ptr} tb
| ok==0
= (False,"",tb)
| otherwise
# (path,tb) = winGetCStringAndFree ptr tb
= (True,path,tb)
getoutputfilename {ccMsg=CcWASQUIT} tb
= (False,"",tb)
getoutputfilename {ccMsg} _
= osfileselectFatalError "osSelectoutputfile" ("unexpected ccMsg field of return CrossCallInfo ("+++toString ccMsg+++")")
osSelectdirectory :: !(OSEvent->.s->.s) !.s !*OSToolbox -> (!Bool,!String,!.s,!*OSToolbox)
osSelectdirectory handleOSEvent state tb
# (rcci,state,tb) = issueCleanRequest (callback handleOSEvent) (Rq0Cci CcRqDIRECTORYDIALOG) state tb
# (ok,name,tb) = getinputfilename rcci tb
= (ok,name,state,tb)
where
getinputfilename :: !CrossCallInfo !*OSToolbox -> (!Bool,!String,!*OSToolbox)
getinputfilename {ccMsg=CcRETURN2,p1=ok,p2=ptr} tb
| ok==0
= (False,"",tb)
| otherwise
# (pathname,tb) = winGetCStringAndFree ptr tb
= (True,pathname,tb)
getinputfilename {ccMsg=CcWASQUIT} tb
= (False,"",tb)
getinputfilename {ccMsg} _
= osfileselectFatalError "osSelectdirectory" ("unexpected ccMsg field of return CrossCallInfo ("+++toString ccMsg+++")")
// callback lifts a function::(OSEvent -> .s -> .s) to
// a crosscallfunction::(CrossCallInfo -> .s -> *OSToolbox -> (CrossCallInfo,.s,*OSToolbox))
callback :: !(OSEvent->.s->.s) !CrossCallInfo !.s !*OSToolbox -> (!CrossCallInfo,!.s,!*OSToolbox)
callback handleOSEvent cci state tb = (return0Cci,handleOSEvent cci state,tb)
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