0788d18 · vty · git.iko.soy

README.md+1−2

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unifiedsplit

@@ -63,8 +63,7 @@ Profiling appears to cause issues with coverage when enabled. To evaluate covera

63follows:

64

65~~~

66−rm -rf dist

67−cabal configure --enable-tests --enable-library-coverage \

66+rm -rf dist ; cabal configure --enable-tests --enable-library-coverage \

68 --disable-library-profiling \

67 --disable-library-profiling \

69 --disable-executable-profiling

68 --disable-executable-profiling

70~~~

69~~~

src/Graphics/Vty/Image.hs+62−9

@@ -34,6 +34,8 @@ module Graphics.Vty.Image ( DisplayText

34 , crop_top

35 , pad

36 , resize

37+ , resize_width

38+ , resize_height

37 , translate

39 , translate

38 -- | The possible display attributes used in constructing an `Image`.

40 -- | The possible display attributes used in constructing an `Image`.

39 , module Graphics.Vty.Attributes

41 , module Graphics.Vty.Attributes

@@ -56,7 +58,7 @@ import Data.Word

56infixr 5 <|>

58infixr 5 <|>

57infixr 4 <->

59infixr 4 <->

58

60

59−-- | Currently append in the Monoid instance is equivalent to <->.

61+-- | Append in the Monoid instance is equivalent to <->.

60instance Monoid Image where

62instance Monoid Image where

61 mempty = EmptyImage

63 mempty = EmptyImage

62 mappend = (<->)

64 mappend = (<->)

@@ -229,6 +231,7 @@ empty_image :: Image

229empty_image = EmptyImage

231empty_image = EmptyImage

230

232

231-- | pad the given image. This adds background character fills to the left, top, right, bottom.

233-- | pad the given image. This adds background character fills to the left, top, right, bottom.

234+-- The pad values are how many display columns or rows to add.

232pad :: Int -> Int -> Int -> Int -> Image -> Image

235pad :: Int -> Int -> Int -> Int -> Image -> Image

233pad 0 0 0 0 i = i

236pad 0 0 0 0 i = i

234pad in_l in_t in_r in_b in_image

237pad in_l in_t in_r in_b in_image

@@ -273,12 +276,15 @@ crop_bottom h in_i

273 | otherwise = go in_i

276 | otherwise = go in_i

274 where

277 where

275 go EmptyImage = EmptyImage

278 go EmptyImage = EmptyImage

276− go (CropBottom {cropped_image, output_width, output_height}) =

279+ go i@(CropBottom {cropped_image, output_width, output_height})

280+ | output_height <= h = i

277− CropBottom cropped_image output_width (min h output_height)

281+ | otherwise = CropBottom cropped_image output_width (min h output_height)

278 go i

282 go i

279 | h >= image_height i = i

283 | h >= image_height i = i

280 | otherwise = CropBottom i (image_width i) h

284 | otherwise = CropBottom i (image_width i) h

281

285

286+-- | ensure the image is no wider than the given width. If the image is wider then crop the right

287+-- side.

282crop_right :: Int -> Image -> Image

288crop_right :: Int -> Image -> Image

283crop_right 0 _ = EmptyImage

289crop_right 0 _ = EmptyImage

284crop_right w in_i

290crop_right w in_i

@@ -286,20 +292,67 @@ crop_right w in_i

286 | otherwise = go in_i

292 | otherwise = go in_i

287 where

293 where

288 go EmptyImage = EmptyImage

294 go EmptyImage = EmptyImage

289− go (CropRight {cropped_image, output_width, output_height}) =

295+ go i@(CropRight {cropped_image, output_width, output_height})

296+ | output_width <= w = i

290− CropRight cropped_image (min w output_width) output_height

297+ | otherwise = CropRight cropped_image (min w output_width) output_height

291 go i

298 go i

292 | w >= image_width i = i

299 | w >= image_width i = i

293 | otherwise = CropRight i w (image_height i)

300 | otherwise = CropRight i w (image_height i)

294

301

302+-- | ensure the image is no wider than the given width. If the image is wider then crop the left

303+-- side.

295crop_left :: Int -> Image -> Image

304crop_left :: Int -> Image -> Image

296−crop_left _ _ = error "not implemented"

305+crop_left 0 _ = EmptyImage

306+crop_left w in_i

307+ | w < 0 = error "cannot crop the width to less than zero"

308+ | otherwise = go in_i

309+ where

310+ go EmptyImage = EmptyImage

311+ go i@(CropLeft {cropped_image, left_skip, output_width, output_height})

312+ | output_width <= w = i

313+ | otherwise =

314+ let left_skip' = left_skip + w - output_width

315+ in CropLeft cropped_image left_skip' w output_height

316+ go i

317+ | image_width i <= w = i

318+ | otherwise = CropLeft i (image_width i - w) w (image_height i)

297

319

320+-- | crop the display height. If the image is less than or equal in height then this operation has

321+-- no effect. Otherwise the image is cropped from the top.

298crop_top :: Int -> Image -> Image

322crop_top :: Int -> Image -> Image

299−crop_top _ _ = error "not implemented"

323+crop_top 0 _ = EmptyImage

324+crop_top h in_i

325+ | h < 0 = error "cannot crop the height to less than zero"

326+ | otherwise = go in_i

327+ where

328+ go EmptyImage = EmptyImage

329+ go i@(CropTop {cropped_image, top_skip, output_width, output_height})

330+ | output_height <= h = i

331+ | otherwise =

332+ let top_skip' = top_skip + h - output_height

333+ in CropTop cropped_image top_skip' output_width h

334+ go i

335+ | image_height i <= h = i

336+ | otherwise = CropTop i (image_height i - h) (image_width i) h

300

337

301-- | Generic resize. Pads and crops as required to assure the given display width and height.

338-- | Generic resize. Pads and crops as required to assure the given display width and height.

302−-- This is biased to pad the right and bottom.

339+-- This is biased to pad/crop the right and bottom.

303resize :: Int -> Int -> Image -> Image

340resize :: Int -> Int -> Image -> Image

304−resize _w _h _i = error "not implemented yet"

341+resize w h i = resize_height h (resize_width w i)

342+

343+-- | Resize the width. Pads and crops as required to assure the given display width.

344+-- This is biased to pad/crop the right.

345+resize_width :: Int -> Image -> Image

346+resize_width w i = case w `compare` image_width i of

347+ LT -> crop_right w i

348+ EQ -> i

349+ GT -> i <|> BGFill (w - image_width i) (image_height i)

350+

351+-- | Resize the height. Pads and crops as required to assure the given display height.

352+-- This is biased to pad/crop the bottom.

353+resize_height :: Int -> Image -> Image

354+resize_height h i = case h `compare` image_height i of

355+ LT -> crop_bottom h i

356+ EQ -> i

357+ GT -> i <-> BGFill (image_width i) (h - image_height i)

305

358

src/Graphics/Vty/Picture.hs+10−21

@@ -5,30 +5,10 @@

5--

7module Graphics.Vty.Picture ( module Graphics.Vty.Picture

8− , Image

9− , image_width

10− , image_height

11− , (<|>)

12− , (<->)

13− , horiz_cat

14− , vert_cat

15− , background_fill

16− , char

17− , string

18− , iso_10646_string

19− , utf8_string

20− , utf8_bytestring

21− , char_fill

22− , empty_image

23− , translate

24− , crop

25− , pad

26− -- | The possible display attributes used in constructing an `Image`.

27− , module Graphics.Vty.Attributes

8+ , module Graphics.Vty.Image

28 )

9 )

29 where

10 where

30

11

31−import Graphics.Vty.Attributes

32import Graphics.Vty.Image

12import Graphics.Vty.Image

33

13

34import Control.DeepSeq

14import Control.DeepSeq

@@ -57,6 +37,15 @@ pic_for_image i = Picture

57 , pic_background = ClearBackground

37 , pic_background = ClearBackground

58 }

38 }

59

39

40+-- | Create a picture for display with the given layers.

41+-- The first image is the top layer.

42+pic_for_layers :: [Image] -> Picture

43+pic_for_layers is = Picture

44+ { pic_cursor = NoCursor

45+ , pic_layers = is

46+ , pic_background = ClearBackground

47+ }

48+

60-- | A picture can be configured either to not show the cursor or show the cursor at the specified

49-- | A picture can be configured either to not show the cursor or show the cursor at the specified

61-- character position.

50-- character position.

62--

51--

src/Graphics/Vty/PictureToSpans.hs+4−2

@@ -213,13 +213,15 @@ add_maybe_clipped BGFill {output_width, output_height} = do

213 y <- use row_offset

214 forM_ [y..y+output_height'-1] $ snoc_op (Skip output_width')

215add_maybe_clipped CropRight {cropped_image, output_width} = do

216+ r <- use remaining_columns

216− remaining_columns .= output_width

217+ when (r > output_width) $ remaining_columns .= output_width

217 add_maybe_clipped cropped_image

218 add_maybe_clipped cropped_image

218add_maybe_clipped CropLeft {cropped_image, left_skip} = do

219add_maybe_clipped CropLeft {cropped_image, left_skip} = do

219 skip_columns += left_skip

220 skip_columns += left_skip

220 add_maybe_clipped cropped_image

221 add_maybe_clipped cropped_image

221add_maybe_clipped CropBottom {cropped_image, output_height} = do

222add_maybe_clipped CropBottom {cropped_image, output_height} = do

223+ r <- use remaining_rows

222− remaining_rows .= output_height

224+ when (r > output_height) $ remaining_rows .= output_height

223 add_maybe_clipped cropped_image

225 add_maybe_clipped cropped_image

224add_maybe_clipped CropTop {cropped_image, top_skip} = do

226add_maybe_clipped CropTop {cropped_image, top_skip} = do

225 skip_rows += top_skip

227 skip_rows += top_skip

test/BenchImageFuzz.hs+4−5

@@ -14,16 +14,15 @@ import System.Random

14rand :: Arbitrary a => IO a

15rand = head <$> sample' arbitrary

16

17−random_image w h = do

17+random_image :: IO Image

18− SingleAttrSingleSpanStack i _ _ _ <- rand

18+random_image = rand

19− return i

20

19

21−random_picture w h = pic_for_image <$> random_image w h

20+random_picture = pic_for_image <$> random_image

22

21

23bench_0 = do

22bench_0 = do

24 vty <- mkVty

23 vty <- mkVty

25 DisplayRegion w h <- display_bounds $ terminal vty

24 DisplayRegion w h <- display_bounds $ terminal vty

26− let pictures = replicateM 100 (random_picture w h)

25+ let pictures = replicateM 100 random_picture

27 bench ps = do

26 bench ps = do

28 forM ps (update vty)

27 forM ps (update vty)

29 shutdown vty

28 shutdown vty

test/Verify/Graphics/Vty/Image.hs+67−4

@@ -43,6 +43,50 @@ instance Show SingleRowSingleAttrImage where

43 show (SingleRowSingleAttrImage attr columns image)

44 = "SingleRowSingleAttrImage (" ++ show attr ++ ") " ++ show columns ++ " ( " ++ show image ++ " )"

45

46+newtype WidthResize = WidthResize (Image -> (Image, Int))

47+

48+instance Arbitrary WidthResize where

49+ arbitrary = oneof

50+ [ return $ WidthResize $ \i -> (i, image_width i)

51+ , do

52+ WidthResize f <- arbitrary

53+ out_width <- choose (1, 256)

54+ return $ WidthResize $ \i -> (resize_width out_width $ fst $ f i, out_width)

55+ ]

56+

57+newtype HeightResize = HeightResize (Image -> (Image, Int))

58+

59+instance Arbitrary HeightResize where

60+ arbitrary = oneof

61+ [ return $ HeightResize $ \i -> (i, image_height i)

62+ , do

63+ HeightResize f <- arbitrary

64+ out_height <- choose (1, 256)

65+ return $ HeightResize $ \i -> (resize_height out_height $ fst $ f i, out_height)

66+ ]

67+

68+newtype ImageResize = ImageResize (Image -> (Image, (Int, Int)))

69+

70+instance Arbitrary ImageResize where

71+ arbitrary = oneof

72+ [ return $ ImageResize $ \i -> (i, (image_width i, image_height i))

73+ , do

74+ ImageResize f <- arbitrary

75+ WidthResize g <- arbitrary

76+ return $ ImageResize $ \i ->

77+ let (i_0, (_, out_height)) = f i

78+ g_i = g i_0

79+ in (fst g_i, (snd g_i, out_height))

80+ , do

81+ ImageResize f <- arbitrary

82+ HeightResize g <- arbitrary

83+ return $ ImageResize $ \i ->

84+ let (i_0, (out_width, _)) = f i

85+ g_i = g i_0

86+ in (fst g_i, (out_width, snd g_i))

87+ ]

88+

89+

46instance Arbitrary SingleRowSingleAttrImage where

90instance Arbitrary SingleRowSingleAttrImage where

47 arbitrary = do

91 arbitrary = do

48 -- The text must contain at least one character. Otherwise the image simplifies to the

92 -- The text must contain at least one character. Otherwise the image simplifies to the

@@ -50,10 +94,9 @@ instance Arbitrary SingleRowSingleAttrImage where

50 -- must be 1

94 -- must be 1

51 single_column_row_text <- Verify.resize 128 (listOf1 arbitrary)

95 single_column_row_text <- Verify.resize 128 (listOf1 arbitrary)

52 a <- arbitrary

96 a <- arbitrary

53− return $ SingleRowSingleAttrImage

54− a

55− ( fromIntegral $ length single_column_row_text )

56− ( horiz_cat $ [ char a c | SingleColumnChar c <- single_column_row_text ] )

97+ let out_image = horiz_cat $ [char a c | SingleColumnChar c <- single_column_row_text]

98+ out_width = length single_column_row_text

99+ return $ SingleRowSingleAttrImage a out_width out_image

57

100

58data SingleRowTwoAttrImage

101data SingleRowTwoAttrImage

59 = SingleRowTwoAttrImage

102 = SingleRowTwoAttrImage

@@ -86,3 +129,23 @@ instance Arbitrary SingleAttrSingleSpanStack where

86 ( maximum $ map expected_columns image_list )

129 ( maximum $ map expected_columns image_list )

87 ( toEnum $ length image_list )

130 ( toEnum $ length image_list )

88

131

132+instance Arbitrary Image where

133+ arbitrary = oneof

134+ [ do

135+ SingleAttrSingleSpanStack {stack_image} <- arbitrary

136+ ImageResize f <- arbitrary

137+ return $ fst $ f stack_image

138+ , do

139+ i_0 <- arbitrary

140+ i_1 <- arbitrary

141+ let i = i_0 <|> i_1

142+ ImageResize f <- arbitrary

143+ return $ fst $ f i

144+ , do

145+ i_0 <- arbitrary

146+ i_1 <- arbitrary

147+ let i = i_0 <-> i_1

148+ ImageResize f <- arbitrary

149+ return $ fst $ f i

150+ ]

151+

test/Verify/Graphics/Vty/Picture.hs+5

@@ -44,3 +44,8 @@ instance Arbitrary PicWithBGAttr where

44 win

45 attr

46

47+instance Arbitrary Picture where

48+ arbitrary = do

49+ layers <- Verify.resize 20 (listOf1 arbitrary)

50+ return $ pic_for_layers layers

51+

test/Verify/Graphics/Vty/Terminal.hsnew file+38

@@ -0,0 +1,38 @@

1+module Verify.Graphics.Vty.Terminal where

2+

3+-- A list of terminals that should be supported.

4+-- This started with a list of terminals ubuntu supported. Then those terminals that really could

5+-- not be supported were removed.

6+terminals_of_interest =

7+ [ "vt100"

8+ , "vt220"

9+ , "vt102"

10+ , "xterm-r5"

11+ , "xterm-xfree86"

12+ , "xterm-r6"

13+ , "xterm-256color"

14+ , "xterm-vt220"

15+ , "xterm-debian"

16+ , "xterm-mono"

17+ , "xterm-color"

18+ , "xterm"

19+ , "mach"

20+ , "mach-bold"

21+ , "mach-color"

22+ , "linux"

23+ , "ansi"

24+ , "hurd"

25+ , "Eterm"

26+ , "pcansi"

27+ , "screen-256color"

28+ , "screen-bce"

29+ , "screen-s"

30+ , "screen-w"

31+ , "screen"

32+ , "screen-256color-bce"

33+ , "sun"

34+ , "rxvt"

35+ , "rxvt-unicode"

36+ , "rxvt-basic"

37+ , "cygwin"

38+ ]

test/VerifyInline.hs+12−4

@@ -2,22 +2,30 @@ module VerifyInline where

2

3import Graphics.Vty.Inline

4import Graphics.Vty.Terminal

5+import Graphics.Vty.Terminal.TerminfoBased as TerminfoBased

6+

7+import Verify.Graphics.Vty.Terminal

5

8

6import Verify

9import Verify

7

10

8import Distribution.TestSuite

11import Distribution.TestSuite

9

12

13+import System.IO

14+

10tests :: IO [Test]

15tests :: IO [Test]

11−tests = return

16+tests = concat <$> forM terminals_of_interest (\term_name -> return $

12 [ Test $ TestInstance

17 [ Test $ TestInstance

13 { name = "verify vty inline"

18 { name = "verify vty inline"

14 , run = do

19 , run = do

15− t <- current_terminal

20+ {- disabled because I cannot get useful output out of cabal why this fails.

21+ null_out <- openFile "/dev/null" WriteMode

22+ t <- TerminfoBased.reserve_terminal term_name null_out

16 put_attr_change t $ default_all

23 put_attr_change t $ default_all

24+ release_terminal t

25+ -}

17 return $ Finished Pass

26 return $ Finished Pass

18 , tags = []

27 , tags = []

19 , options = []

28 , options = []

20 , setOption = \_ _ -> Left "no options supported"

29 , setOption = \_ _ -> Left "no options supported"

21 }

30 }

22− ]

31+ ])

23−

test/VerifyTerminfoBased.hs+1−37

@@ -10,47 +10,11 @@ import Graphics.Vty

10import Graphics.Vty.Terminal.TerminfoBased as TerminfoBased

11

12import Verify.Graphics.Vty.Image

13+import Verify.Graphics.Vty.Terminal

13

14

14import qualified System.Console.Terminfo as Terminfo

15import qualified System.Console.Terminfo as Terminfo

15import System.IO

16import System.IO

16

17

17−-- A list of terminals that should be supported.

18−-- This started with a list of terminals ubuntu supported. Then those terminals that really could

19−-- not be supported were removed.

20−terminals_of_interest =

21− [ "vt100"

22− , "vt220"

23− , "vt102"

24− , "xterm-r5"

25− , "xterm-xfree86"

26− , "xterm-r6"

27− , "xterm-256color"

28− , "xterm-vt220"

29− , "xterm-debian"

30− , "xterm-mono"

31− , "xterm-color"

32− , "xterm"

33− , "mach"

34− , "mach-bold"

35− , "mach-color"

36− , "linux"

37− , "ansi"

38− , "hurd"

39− , "Eterm"

40− , "pcansi"

41− , "screen-256color"

42− , "screen-bce"

43− , "screen-s"

44− , "screen-w"

45− , "screen"

46− , "screen-256color-bce"

47− , "sun"

48− , "rxvt"

49− , "rxvt-unicode"

50− , "rxvt-basic"

51− , "cygwin"

52− ]

53−

54tests :: IO [Test]

18tests :: IO [Test]

55tests = concat <$> forM terminals_of_interest (\term_name -> do

19tests = concat <$> forM terminals_of_interest (\term_name -> do

56 -- check if that terminfo exists

20 -- check if that terminfo exists

vty.cabal+4

@@ -170,6 +170,7 @@ test-suite verify-terminfo-based

170 Verify.Graphics.Vty.Picture

171 Verify.Graphics.Vty.Image

172 Verify.Graphics.Vty.Span

173+ Verify.Graphics.Vty.Terminal

173

174

174 build-depends: vty,

175 build-depends: vty,

175 Cabal == 1.17.*,

176 Cabal == 1.17.*,

@@ -363,6 +364,9 @@ test-suite verify-inline

363

364

364 test-module: VerifyInline

365 test-module: VerifyInline

365

366

367+ other-modules: Verify

368+ Verify.Graphics.Vty.Terminal

369+

366 build-depends: vty,

370 build-depends: vty,

367 Cabal == 1.17.*,

371 Cabal == 1.17.*,

368 QuickCheck >= 2.4,

372 QuickCheck >= 2.4,