- GuiElems
- Combinators
- InfixOps
- Layout
- Containers
- StreamProc
- InOut
- LowLevel
- Types
- FudUtilities
- Debug
- ContribFudgets

- Buttons:
**data**Click = ... buttonF :: Graphic`lbl`=>`lbl`-> F Click Click radioGroupF :: (Eq`alt`, Graphic`lbl`) => [(`alt`,`lbl`)] ->`alt`-> F`alt``alt`toggleButtonF :: Graphic`lbl`=>`lbl`-> F Bool Bool- Data entry fields:
intInputF :: F Int Int passwdInputF :: F String String stringInputF :: F String String

- Decoration:
labAboveF :: Graphic

`p`=>`p`-> F`c``d`-> F`c``d`labBelowF :: Graphic`p`=>`p`-> F`c``d`-> F`c``d`labLeftOfF :: Graphic`p`=>`p`-> F`c``d`-> F`c``d`labRightOfF :: Graphic`p`=>`p`-> F`c``d`-> F`c``d`labelF :: Graphic`g`=>`g`-> F`a``b`- Displaying and interacting with lists:
**type**PickListRequest`a`= ListRequest`a`pickListF :: (`a`-> String) -> F (PickListRequest`a`) (InputMsg (Int,`a`))- Displaying text:
moreF :: F [String] (InputMsg (Int, String)) moreFileF :: F String (InputMsg (Int, String)) moreFileShellF :: F String (InputMsg (Int, String)) moreShellF :: String -> F [String] (InputMsg (Int, String))

- Displays:
displayF :: Graphic

`g`=> F`g``void`intDispF :: F Int`b`- Menus:
menuF :: (Graphic

`mlbl`, Graphic`albl`) =>`mlbl`-> [(`alt`,`albl`)] -> F`alt``alt`popupMenuF :: (Graphic`b1`, Eq`b1`) => [(`a`,`b1`)] -> F`c``b2`-> F ([(`a`,`b1`)] ⊕`c`) (`a`⊕`b2`)- Pop-up windows:
**data**ConfirmMsg = ... confirmPopupF :: Graphic`msg`=> F`msg`(`msg`, ConfirmMsg) messagePopupF :: Graphic`msg`=> F`msg`(`msg`, Click) passwdPopupF :: String -> F (Maybe String, Maybe String) ((Maybe String, Maybe String), String) stringPopupF :: String -> F (Maybe String, Maybe String) ((Maybe String, Maybe String), String)- Sound:
bellF :: F

`ho``ho`- Terminating the program:
quitF :: F

`ans``ho`

- Abstract fudgets: from stream processors:
absF :: SP

`a``b`-> F`a``b`- Abstract fudgets: stateful:
mapstateF :: (

`t`->`a`-> (`t`, [`b`])) ->`t`-> F`a``b`- Abstract fudgets: stateless:
concatMapF :: (

`a`-> [`b`]) -> F`a``b`mapF :: (`a`->`b`) -> F`a``b`- Plumbing: circular connections:
loopF :: F

`a``a`-> F`a``a`loopLeftF :: F (`a`⊕`b`) (`a`⊕`c`) -> F`b``c`loopOnlyF :: F`a``a`-> F`a``b`loopRightF :: F (`a`⊕`b`) (`c`⊕`b`) -> F`a``c`loopThroughRightF :: F (`a`⊕`b`) (`c`⊕`d`) -> F`c``a`-> F`b``d`- Plumbing: serial composition:
serCompF :: F

`a1``b`-> F`a2``a1`-> F`a2``b`- Plumbing: tagged parallel composition:
compF :: F

`a``b`-> F`c``d`-> F (`a`⊕`c`) (`b`⊕`d`) listF :: Eq`a`=> [(`a`, F`b``c`)] -> F (`a`,`b`) (`a`,`c`)- Plumbing: untagged parallel composition:
untaggedListF :: [F

`a``b`] -> F`a``b`- The Fudget type:
**data**F`hi``ho`= ...- The identity fudget:
idF :: F

`b``b`

- Plumbing: serial composition:
>==< :: F

`a1``b`-> F`a2``a1`-> F`a2``b`- Plumbing: tagged parallel composition:
>+< :: F

`a``b`-> F`c``d`-> F (`a`⊕`c`) (`b`⊕`d`)- Plumbing: untagged parallel composition:
>*< :: F

`c``ho`-> F`c``ho`-> F`c``ho`

- A spacer that centers a box in the available space:
centerS :: Spacer

- GUI fudget placement:
**data**Placer = ... placerF :: Placer -> F`a``b`-> F`a``b`- GUI fudget spacing:
**data**Spacer = ... spacerF :: Spacer -> F`a``b`-> F`a``b`- Placer modifying combinators:
flipP :: Placer -> Placer revP :: Placer -> Placer

- Placers: linear layouts:
horizontalP :: Placer horizontalP' :: Distance -> Placer verticalP :: Placer verticalP' :: Distance -> Placer

- Placers: matrixes and tables:
matrixP :: Int -> Placer tableP :: Int -> Placer

- Spacers that add margins to boxes:
**type**Distance = Int marginS :: Distance -> Spacer

- Scroll bars:
hScrollF :: F

`b``d`-> F`b``d`scrollF :: F`b``d`-> F`b``d`vScrollF :: F`b``d`-> F`b``d`- Shell (top level) windows:
shellF :: String -> F

`c``d`-> F`c``d`

- Stream processor equivalents of some common list processing functions:
chopSP :: ((

`b`-> SP`a``b`) -> SP`a``b`) -> SP`a``b`concatMapAccumlSP :: (`t`->`a`-> (`t`, [`b`])) ->`t`-> SP`a``b`concatMapSP :: (`t`-> [`b`]) -> SP`t``b`concatSP :: SP [`b`]`b`filterSP :: (`b`-> Bool) -> SP`b``b`idSP :: SP`b``b`mapAccumlSP :: (`t`->`a`-> (`t`,`b`)) ->`t`-> SP`a``b`mapSP :: (`t`->`b`) -> SP`t``b`splitAtElemSP :: (`a`-> Bool) -> Cont (SP`a``b`) [`a`] zipSP :: [`a`] -> SP`b`(`a`,`b`)- The type of plain stream processors:
**data**SP`a``b`= ...

- A fudget that outputs ticks after specific delays and/or at specific intervals:
**data**Tick = ... timerF :: F (Maybe (Int, Int)) Tick- File system access:
readDirF :: F String (String, IOError ⊕ [String]) readFileF :: F String (String, IOError ⊕ String) writeFileF :: F (String, String) (String, IOError ⊕ ())

- The combinator that connects the main fudget to the Haskell I/O system:
fudlogue :: F

`a``b`-> IO ()

- Buttons:
**data**Click = ...- Pop-up windows:
**data**ConfirmMsg = ...- The Fudget type:
**data**F`hi``ho`= ...**type**FCommand`a`= Message TCommand`a`**type**FEvent`a`= Message TEvent`a`**type**FSP`hi``ho`= SP (FEvent`hi`) (FCommand`ho`)**type**Fudget`a``b`= F`a``b`**type**TCommand = (Path, FRequest)**type**TEvent = (Path, FResponse)- The type of plain stream processors:
**data**SP`a``b`= ...

- Various utility functions for pairs and lists:
aboth :: (

`t`->`b`) -> (`t`,`t`) -> (`b`,`b`) anth :: Int -> (`a`->`a`) -> [`a`] -> [`a`] gmap :: Foldable`t1`=> (`t2`-> [`a`] -> [`a`]) -> (`t3`->`t2`) ->`t1``t3`-> [`a`] issubset :: (Eq`a`, Foldable`t2`, Foldable`t1`) =>`t1``a`->`t2``a`-> Bool lhead :: [`a1`] -> [`a2`] -> [`a2`] loop :: (`t`->`t`) ->`t`lsplit :: [`a1`] -> [`a2`] -> ([`a2`], [`a2`]) ltail :: [`a1`] -> [`a2`] -> [`a2`] mapPair :: (`t1`->`a`,`t2`->`b`) -> (`t1`,`t2`) -> (`a`,`b`) number :: Int -> [`a`] -> [(Int,`a`)] oo :: (`t1`->`t2`) -> (`t3`->`t4`->`t1`) ->`t3`->`t4`->`t2`pair ::`a`->`b`-> (`a`,`b`) pairwith :: (`t`->`b`) ->`t`-> (`t`,`b`) part :: (`a`-> Bool) -> [`a`] -> ([`a`], [`a`]) remove :: Eq`t`=>`t`-> [`t`] -> [`t`] replace :: Eq`a`=> (`a`,`b`) -> [(`a`,`b`)] -> [(`a`,`b`)] segments :: (`a`-> Bool) -> [`a`] -> [[`a`]] setFst :: (`a1`,`b`) ->`a2`-> (`a2`,`b`) setSnd :: (`a`,`b1`) ->`b2`-> (`a`,`b2`) swap :: (`b`,`a`) -> (`a`,`b`) unionmap :: (Eq`a`, Foldable`t1`) => (`t2`-> [`a`]) ->`t1``t2`-> [`a`]

- A fudget that shows the high level input and output of a fudget on the standard error output:
spyF :: (Show

`a2`, Show`b`) => F`a2``b`-> F`a2``b`- An identity fudget that copies messages to the standard error output:
teeF :: (

`b`-> String) -> String -> F`b``b`

- Menus:
menuF :: Eq

`a`=> Menu`a`-> F`a``a`