97964eb2fc
hjkl and CTRL-bfnp should now work wherever unmodified arrow keys work. (You must still use arrow keys with SHIFT for adjusting report period).
302 lines
12 KiB
Haskell
302 lines
12 KiB
Haskell
{- | Rendering & misc. helpers. -}
|
|
|
|
{-# LANGUAGE OverloadedStrings #-}
|
|
|
|
module Hledger.UI.UIUtils
|
|
where
|
|
|
|
import Brick
|
|
import Brick.Widgets.Border
|
|
import Brick.Widgets.Border.Style
|
|
-- import Brick.Widgets.Center
|
|
import Brick.Widgets.Dialog
|
|
import Brick.Widgets.Edit
|
|
import Brick.Widgets.List
|
|
import Data.List
|
|
import Data.Maybe
|
|
import Data.Monoid
|
|
import Graphics.Vty (Event(..),Key(..),Modifier(..),Color,Attr,currentAttr)
|
|
import Lens.Micro.Platform
|
|
import System.Process
|
|
|
|
import Hledger hiding (Color)
|
|
import Hledger.Cli (CliOpts(rawopts_))
|
|
import Hledger.UI.UITypes
|
|
import Hledger.UI.UIState
|
|
|
|
|
|
runInfo = runCommand "hledger-ui --info" >>= waitForProcess
|
|
runMan = runCommand "hledger-ui --man" >>= waitForProcess
|
|
runHelp = runCommand "hledger-ui --help | less" >>= waitForProcess
|
|
|
|
-- ui
|
|
|
|
-- | Draw the help dialog, called when help mode is active.
|
|
helpDialog :: CliOpts -> Widget Name
|
|
helpDialog copts =
|
|
Widget Fixed Fixed $ do
|
|
c <- getContext
|
|
render $
|
|
renderDialog (dialog (Just "Help (?/LEFT/ESC to close)") Nothing (c^.availWidthL)) $ -- (Just (0,[("ok",())]))
|
|
padTopBottom 1 $ padLeftRight 1 $
|
|
vBox [
|
|
hBox [
|
|
padLeftRight 1 $
|
|
vBox [
|
|
str "NAVIGATION"
|
|
,renderKey ("UP/DOWN/PGUP/PGDN/HOME/END", "")
|
|
,str " move selection"
|
|
,renderKey ("RIGHT", "more detail")
|
|
,renderKey ("LEFT", "previous screen")
|
|
,str " (or vi/emacs movement keys)"
|
|
,renderKey ("ESC", "cancel / reset to top")
|
|
,str " "
|
|
,str "MISC"
|
|
,renderKey ("?", "toggle help")
|
|
,renderKey ("a", "add transaction (hledger add)")
|
|
,renderKey ("A", "add transaction (hledger-iadd)")
|
|
,renderKey ("E", "open editor")
|
|
,renderKey ("I", "toggle balance assertions")
|
|
,renderKey ("g", "reload data")
|
|
,renderKey ("CTRL-l", "redraw & recenter")
|
|
,renderKey ("q", "quit")
|
|
,str " "
|
|
,str "MANUAL"
|
|
,str "from help dialog:"
|
|
,renderKey ("t", "text")
|
|
,renderKey ("m", "man page")
|
|
,renderKey ("i", "info")
|
|
]
|
|
,padLeftRight 1 $
|
|
vBox [
|
|
str "FILTERING"
|
|
,renderKey ("SHIFT-DOWN/UP", "shrink/grow report period")
|
|
,renderKey ("SHIFT-RIGHT/LEFT", "next/previous report period")
|
|
,renderKey ("t", "set report period to today")
|
|
,str " "
|
|
,renderKey ("/", "set a filter query")
|
|
,renderKey ("U",
|
|
["toggle unmarked/all"
|
|
,"cycle unmarked/not unmarked/all"
|
|
,"toggle unmarked filter"
|
|
] !! (statusstyle-1))
|
|
,renderKey ("P",
|
|
["toggle pending/all"
|
|
,"cycle pending/not pending/all"
|
|
,"toggle pending filter"
|
|
] !! (statusstyle-1))
|
|
,renderKey ("C",
|
|
["toggle cleared/all"
|
|
,"cycle cleared/not cleared/all"
|
|
,"toggle cleared filter"
|
|
] !! (statusstyle-1))
|
|
,renderKey ("R", "toggle real/all")
|
|
,renderKey ("Z", "toggle nonzero/all")
|
|
,renderKey ("DEL/BS", "remove filters")
|
|
,str " "
|
|
,str "accounts screen:"
|
|
,renderKey ("-+0123456789", "set depth limit")
|
|
,renderKey ("H", "toggle period balance (shows change) or\nhistorical balance (includes older postings)")
|
|
,renderKey ("F", "toggle tree (amounts include subaccounts) or\nflat mode (amounts exclude subaccounts\nexcept when account is depth-clipped)")
|
|
,str " "
|
|
,str "register screen:"
|
|
,renderKey ("H", "toggle period or historical total")
|
|
,renderKey ("F", "toggle subaccount transaction inclusion\n(and tree/flat mode)")
|
|
]
|
|
]
|
|
-- ,vBox [
|
|
-- str " "
|
|
-- ,hCenter $ padLeftRight 1 $
|
|
-- hCenter (str "MANUAL")
|
|
-- <=>
|
|
-- hCenter (hBox [
|
|
-- renderKey ("t", "text")
|
|
-- ,str " "
|
|
-- ,renderKey ("m", "man page")
|
|
-- ,str " "
|
|
-- ,renderKey ("i", "info")
|
|
-- ])
|
|
-- ]
|
|
]
|
|
where
|
|
renderKey (key,desc) = withAttr (borderAttr <> "keys") (str key) <+> str " " <+> str desc
|
|
statusstyle = min 3 $ fromMaybe 1 $ maybeintopt "status-toggles" $ rawopts_ copts
|
|
|
|
-- | Event handler used when help mode is active.
|
|
helpHandle :: UIState -> BrickEvent Name AppEvent -> EventM Name (Next UIState)
|
|
helpHandle ui ev =
|
|
case ev of
|
|
VtyEvent e | e `elem` (moveLeftEvents ++ [EvKey KEsc [], EvKey (KChar '?') []]) -> continue $ setMode Normal ui
|
|
VtyEvent (EvKey (KChar 't') []) -> suspendAndResume $ runHelp >> return ui'
|
|
VtyEvent (EvKey (KChar 'm') []) -> suspendAndResume $ runMan >> return ui'
|
|
VtyEvent (EvKey (KChar 'i') []) -> suspendAndResume $ runInfo >> return ui'
|
|
_ -> continue ui
|
|
where
|
|
ui' = setMode Normal ui
|
|
|
|
-- | Draw the minibuffer.
|
|
minibuffer :: Editor String Name -> Widget Name
|
|
minibuffer ed =
|
|
forceAttr (borderAttr <> "minibuffer") $
|
|
hBox $
|
|
[txt "filter: ", renderEditor True ed]
|
|
|
|
-- | Wrap a widget in the default hledger-ui screen layout.
|
|
defaultLayout :: Widget Name -> Widget Name -> Widget Name -> Widget Name
|
|
defaultLayout toplabel bottomlabel =
|
|
topBottomBorderWithLabels (str " "<+>toplabel<+>str " ") (str " "<+>bottomlabel<+>str " ") .
|
|
margin 1 0 Nothing
|
|
-- topBottomBorderWithLabel2 label .
|
|
-- padLeftRight 1 -- XXX should reduce inner widget's width by 2, but doesn't
|
|
-- "the layout adjusts... if you use the core combinators"
|
|
|
|
borderQueryStr :: String -> Widget Name
|
|
borderQueryStr "" = str ""
|
|
borderQueryStr qry = str " matching " <+> withAttr (borderAttr <> "query") (str qry)
|
|
|
|
borderDepthStr :: Maybe Int -> Widget Name
|
|
borderDepthStr Nothing = str ""
|
|
borderDepthStr (Just d) = str " to " <+> withAttr (borderAttr <> "query") (str $ "depth "++show d)
|
|
|
|
borderPeriodStr :: String -> Period -> Widget Name
|
|
borderPeriodStr _ PeriodAll = str ""
|
|
borderPeriodStr preposition p = str (" "++preposition++" ") <+> withAttr (borderAttr <> "query") (str $ showPeriod p)
|
|
|
|
borderKeysStr :: [(String,String)] -> Widget Name
|
|
borderKeysStr = borderKeysStr' . map (\(a,b) -> (a, str b))
|
|
|
|
borderKeysStr' :: [(String,Widget Name)] -> Widget Name
|
|
borderKeysStr' keydescs =
|
|
hBox $
|
|
intersperse sep $
|
|
[withAttr (borderAttr <> "keys") (str keys) <+> str ":" <+> desc | (keys, desc) <- keydescs]
|
|
where
|
|
-- sep = str " | "
|
|
sep = str " "
|
|
|
|
-- temporary shenanigans:
|
|
|
|
-- | Convert the special account name "*" (from balance report with depth limit 0) to something clearer.
|
|
replaceHiddenAccountsNameWith :: AccountName -> AccountName -> AccountName
|
|
replaceHiddenAccountsNameWith anew a | a == hiddenAccountsName = anew
|
|
| a == "*" = anew
|
|
| otherwise = a
|
|
|
|
hiddenAccountsName = "..." -- for now
|
|
|
|
-- generic
|
|
|
|
topBottomBorderWithLabel :: Widget Name -> Widget Name -> Widget Name
|
|
topBottomBorderWithLabel label = \wrapped ->
|
|
Widget Greedy Greedy $ do
|
|
c <- getContext
|
|
let (_w,h) = (c^.availWidthL, c^.availHeightL)
|
|
h' = h - 2
|
|
wrapped' = vLimit (h') wrapped
|
|
debugmsg =
|
|
""
|
|
-- " debug: "++show (_w,h')
|
|
render $
|
|
hBorderWithLabel (label <+> str debugmsg)
|
|
<=>
|
|
wrapped'
|
|
<=>
|
|
hBorder
|
|
|
|
topBottomBorderWithLabels :: Widget Name -> Widget Name -> Widget Name -> Widget Name
|
|
topBottomBorderWithLabels toplabel bottomlabel = \wrapped ->
|
|
Widget Greedy Greedy $ do
|
|
c <- getContext
|
|
let (_w,h) = (c^.availWidthL, c^.availHeightL)
|
|
h' = h - 2
|
|
wrapped' = vLimit (h') wrapped
|
|
debugmsg =
|
|
""
|
|
-- " debug: "++show (_w,h')
|
|
render $
|
|
hBorderWithLabel (toplabel <+> str debugmsg)
|
|
<=>
|
|
wrapped'
|
|
<=>
|
|
hBorderWithLabel bottomlabel
|
|
|
|
-- XXX should be equivalent to the above, but isn't (page down goes offscreen)
|
|
_topBottomBorderWithLabel2 :: Widget Name -> Widget Name -> Widget Name
|
|
_topBottomBorderWithLabel2 label = \wrapped ->
|
|
let debugmsg = ""
|
|
in hBorderWithLabel (label <+> str debugmsg)
|
|
<=>
|
|
wrapped
|
|
<=>
|
|
hBorder
|
|
|
|
-- XXX superseded by pad, in theory
|
|
-- | Wrap a widget in a margin with the given horizontal and vertical
|
|
-- thickness, using the current background colour or the specified
|
|
-- colour.
|
|
-- XXX May disrupt border style of inner widgets.
|
|
-- XXX Should reduce the available size visible to inner widget, but doesn't seem to (cf rsDraw2).
|
|
margin :: Int -> Int -> Maybe Color -> Widget Name -> Widget Name
|
|
margin h v mcolour = \w ->
|
|
Widget Greedy Greedy $ do
|
|
c <- getContext
|
|
let w' = vLimit (c^.availHeightL - v*2) $ hLimit (c^.availWidthL - h*2) w
|
|
attr = maybe currentAttr (\c -> c `on` c) mcolour
|
|
render $
|
|
withBorderAttr attr $
|
|
withBorderStyle (borderStyleFromChar ' ') $
|
|
applyN v (hBorder <=>) $
|
|
applyN h (vBorder <+>) $
|
|
applyN v (<=> hBorder) $
|
|
applyN h (<+> vBorder) $
|
|
w'
|
|
|
|
-- withBorderAttr attr .
|
|
-- withBorderStyle (borderStyleFromChar ' ') .
|
|
-- applyN n border
|
|
|
|
withBorderAttr :: Attr -> Widget Name -> Widget Name
|
|
withBorderAttr attr = updateAttrMap (applyAttrMappings [(borderAttr, attr)])
|
|
|
|
-- | Like brick's continue, but first run some action to modify brick's state.
|
|
-- This action does not affect the app state, but might eg adjust a widget's scroll position.
|
|
continueWith :: EventM n () -> ui -> EventM n (Next ui)
|
|
continueWith brickaction ui = brickaction >> continue ui
|
|
|
|
-- | Scroll a list's viewport so that the selected item is centered in the
|
|
-- middle of the display area.
|
|
scrollToTop :: List Name e -> EventM Name ()
|
|
scrollToTop list = do
|
|
let vpname = list^.listNameL
|
|
setTop (viewportScroll vpname) 0
|
|
|
|
-- | Scroll a list's viewport so that the selected item is centered in the
|
|
-- middle of the display area.
|
|
scrollSelectionToMiddle :: List Name e -> EventM Name ()
|
|
scrollSelectionToMiddle list = do
|
|
let mselectedrow = list^.listSelectedL
|
|
vpname = list^.listNameL
|
|
mvp <- lookupViewport vpname
|
|
case (mselectedrow, mvp) of
|
|
(Just selectedrow, Just vp) -> do
|
|
let
|
|
itemheight = dbg4 "itemheight" $ list^.listItemHeightL
|
|
vpheight = dbg4 "vpheight" $ vp^.vpSize._2
|
|
itemsperpage = dbg4 "itemsperpage" $ vpheight `div` itemheight
|
|
toprow = dbg4 "toprow" $ max 0 (selectedrow - (itemsperpage `div` 2)) -- assuming ViewportScroll's row offset is measured in list items not screen rows
|
|
setTop (viewportScroll vpname) toprow
|
|
_ -> return ()
|
|
|
|
-- arrow keys vi keys emacs keys
|
|
moveUpEvents = [EvKey KUp [] , EvKey (KChar 'k') [], EvKey (KChar 'p') [MCtrl]]
|
|
moveDownEvents = [EvKey KDown [], EvKey (KChar 'j') [], EvKey (KChar 'n') [MCtrl]]
|
|
moveLeftEvents = [EvKey KLeft [], EvKey (KChar 'h') [], EvKey (KChar 'b') [MCtrl]]
|
|
moveRightEvents = [EvKey KLeft [], EvKey (KChar 'l') [], EvKey (KChar 'f') [MCtrl]]
|
|
|
|
normaliseMovementKeys ev
|
|
| ev `elem` moveUpEvents = EvKey KUp []
|
|
| ev `elem` moveDownEvents = EvKey KDown []
|
|
| ev `elem` moveLeftEvents = EvKey KLeft []
|
|
| ev `elem` moveRightEvents = EvKey KRight []
|
|
| otherwise = ev
|