tslocum/cview
tslocum/cview
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Fix strikethrough support

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Resolves #17.
This commit is contained in:
Trevor Slocum 2021-02-06 20:50:10 -08:00
parent 630bdf19f3
commit d776e728ef
4 changed files with 24 additions and 16 deletions
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2
LICENSE
View file

@ -39,6 +39,8 @@ Bugfixes in ANSI escape sequence handling as well as TextView
Sun Jul 12 13:34:19 2020 +0200
TextView.GetText() and .GetRegionText() didn't filter out empty colour tags. Fixes #453
The cview license applies to all other commits.
----------
cview license:

6
go.mod
View file

@ -3,11 +3,11 @@ module gitlab.com/tslocum/cview
go 1.12
require (
github.com/gdamore/tcell/v2 v2.1.1-0.20201225194624-29bb185874fd
github.com/lucasb-eyer/go-colorful v1.0.3
github.com/gdamore/tcell/v2 v2.1.1-0.20210125004847-19e17097d8fe
github.com/lucasb-eyer/go-colorful v1.2.0
github.com/mattn/go-runewidth v0.0.10
github.com/rivo/uniseg v0.2.0
gitlab.com/tslocum/cbind v0.1.4
golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78 // indirect
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c // indirect
golang.org/x/text v0.3.5 // indirect
)

13
go.sum
View file

@ -1,10 +1,12 @@
github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdko=
github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg=
github.com/gdamore/tcell/v2 v2.0.0-dev/go.mod h1:vSVL/GV5mCSlPC6thFP5kfOFdM9MGZcalipmpTxTgQA=
github.com/gdamore/tcell/v2 v2.1.1-0.20201225194624-29bb185874fd h1:66OLuRCaOFojnLK9eB0YTo8CU9AgHtfvBWvLsz/8r+I=
github.com/gdamore/tcell/v2 v2.1.1-0.20201225194624-29bb185874fd/go.mod h1:vSVL/GV5mCSlPC6thFP5kfOFdM9MGZcalipmpTxTgQA=
github.com/gdamore/tcell/v2 v2.1.1-0.20210125004847-19e17097d8fe h1:D4zQq/0ep0XCtgkmA+dUvQNYMoiW2+2336rdlAucr10=
github.com/gdamore/tcell/v2 v2.1.1-0.20210125004847-19e17097d8fe/go.mod h1:cTTuF84Dlj/RqmaCIV5p4w8uG1zWdk0SF6oBpwHp4fU=
github.com/lucasb-eyer/go-colorful v1.0.3 h1:QIbQXiugsb+q10B+MI+7DI1oQLdmnep86tWFlaaUAac=
github.com/lucasb-eyer/go-colorful v1.0.3/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
github.com/mattn/go-runewidth v0.0.9 h1:Lm995f3rfxdpd6TSmuVCHVb/QhupuXlYr8sCI/QdE+0=
github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
@ -17,8 +19,11 @@ gitlab.com/tslocum/cbind v0.1.4 h1:cbZXPPcieXspk8cShoT6efz7HAT8yMNQcofYWNizis4=
gitlab.com/tslocum/cbind v0.1.4/go.mod h1:RvwYE3auSjBNlCmWeGspzn+jdLUVQ8C2QGC+0nP9ChI=
golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201013132646-2da7054afaeb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78 h1:nVuTkr9L6Bq62qpUqKo/RnZCFfzDBL0bYo6w9OJUqZY=
golang.org/x/sys v0.0.0-20210113181707-4bcb84eeeb78/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c h1:VwygUrnw9jn88c4u8GD3rZQbqrP/tgas88tPUbBxQrk=
golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf h1:MZ2shdL+ZM/XzY3ZGOnh4Nlpnxz5GSOhOmtHo3iPU6M=
golang.org/x/term v0.0.0-20201210144234-2321bbc49cbf/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=

19
util.go
View file

@ -25,7 +25,7 @@ const (
// Common regular expressions.
var (
colorPattern = regexp.MustCompile(`\[([a-zA-Z]+|#[0-9a-zA-Z]{6}|\-)?(:([a-zA-Z]+|#[0-9a-zA-Z]{6}|\-)?(:([lbdiru]+|\-)?)?)?\]`)
colorPattern = regexp.MustCompile(`\[([a-zA-Z]+|#[0-9a-zA-Z]{6}|\-)?(:([a-zA-Z]+|#[0-9a-zA-Z]{6}|\-)?(:([bdilrsu]+|\-)?)?)?\]`)
regionPattern = regexp.MustCompile(`\["([a-zA-Z0-9_,;: \-\.]*)"\]`)
escapePattern = regexp.MustCompile(`\[([a-zA-Z0-9_,;: \-\."#]+)\[(\[*)\]`)
nonEscapePattern = regexp.MustCompile(`(\[[a-zA-Z0-9_,;: \-\."#]+\[*)\]`)
@ -55,7 +55,7 @@ var (
InputFieldMaxLength func(maxLength int) func(text string, ch rune) bool
)
// Transformation describes a widget modification.
// Transformation describes a widget state modification.
type Transformation int
// Widget transformations.
@ -192,30 +192,30 @@ func overlayStyle(background tcell.Color, defaultStyle tcell.Style, fgColor, bgC
if attributes == "-" {
style = style.Bold(defAttr&tcell.AttrBold > 0)
style = style.Blink(defAttr&tcell.AttrBlink > 0)
style = style.Dim(defAttr&tcell.AttrDim > 0)
style = style.Italic(defAttr&tcell.AttrItalic > 0)
style = style.Blink(defAttr&tcell.AttrBlink > 0)
style = style.Reverse(defAttr&tcell.AttrReverse > 0)
style = style.Underline(defAttr&tcell.AttrUnderline > 0)
style = style.StrikeThrough(defAttr&tcell.AttrStrikeThrough > 0)
style = style.Underline(defAttr&tcell.AttrUnderline > 0)
} else if attributes != "" {
style = style.Normal()
for _, flag := range attributes {
switch flag {
case 'l':
style = style.Blink(true)
case 'b':
style = style.Bold(true)
case 'd':
style = style.Dim(true)
case 'i':
style = style.Italic(true)
case 'l':
style = style.Blink(true)
case 'r':
style = style.Reverse(true)
case 'u':
style = style.Underline(true)
case 's':
style = style.StrikeThrough(true)
case 'u':
style = style.Underline(true)
}
}
}
@ -226,11 +226,12 @@ func overlayStyle(background tcell.Color, defaultStyle tcell.Style, fgColor, bgC
// SetAttributes sets attributes on a style.
func SetAttributes(style tcell.Style, attrs tcell.AttrMask) tcell.Style {
return style.
Blink(attrs&tcell.AttrBlink != 0).
Bold(attrs&tcell.AttrBold != 0).
Dim(attrs&tcell.AttrDim != 0).
Italic(attrs&tcell.AttrItalic != 0).
Blink(attrs&tcell.AttrBlink != 0).
Reverse(attrs&tcell.AttrReverse != 0).
StrikeThrough(attrs&tcell.AttrStrikeThrough != 0).
Underline(attrs&tcell.AttrUnderline != 0)
}