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Add support for ANSI strike-through (#2932)

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Close #2932

Co-authored-by: Emil Vanherp <emil@vanherp.me>
This commit is contained in:
Emil Vanherp
2022-08-20 23:23:03 +02:00
committed by Junegunn Choi
parent 8a5f719964
commit 4bef330ce1
10 changed files with 57 additions and 29 deletions
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19
src/tui/dummy.go
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@@ -14,16 +14,17 @@ func (a Attr) Merge(b Attr) Attr {
const (
AttrUndefined = Attr(0)
AttrRegular = Attr(1 << 7)
AttrClear = Attr(1 << 8)
AttrRegular = Attr(1 << 8)
AttrClear = Attr(1 << 9)
Bold = Attr(1)
Dim = Attr(1 << 1)
Italic = Attr(1 << 2)
Underline = Attr(1 << 3)
Blink = Attr(1 << 4)
Blink2 = Attr(1 << 5)
Reverse = Attr(1 << 6)
Bold = Attr(1)
Dim = Attr(1 << 1)
Italic = Attr(1 << 2)
Underline = Attr(1 << 3)
Blink = Attr(1 << 4)
Blink2 = Attr(1 << 5)
Reverse = Attr(1 << 6)
StrikeThrough = Attr(1 << 7)
)
func (r *FullscreenRenderer) Init() {}

3
src/tui/light.go
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@@ -856,6 +856,9 @@ func attrCodes(attr Attr) []string {
if (attr & Reverse) > 0 {
codes = append(codes, "7")
}
if (attr & StrikeThrough) > 0 {
codes = append(codes, "9")
}
return codes
}

35
src/tui/tcell.go
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@@ -8,8 +8,8 @@ import (
"runtime"
"github.com/gdamore/tcell"
"github.com/gdamore/tcell/encoding"
"github.com/gdamore/tcell/v2"
"github.com/gdamore/tcell/v2/encoding"
"github.com/mattn/go-runewidth"
"github.com/rivo/uniseg"
@@ -19,12 +19,20 @@ func HasFullscreenRenderer() bool {
return true
}
func (p ColorPair) style() tcell.Style {
style := tcell.StyleDefault
return style.Foreground(tcell.Color(p.Fg())).Background(tcell.Color(p.Bg()))
func asTcellColor(color Color) tcell.Color {
value := uint64(tcell.ColorValid) + uint64(color)
if color.is24() {
value = value | uint64(tcell.ColorIsRGB)
}
return tcell.Color(value)
}
type Attr tcell.Style
func (p ColorPair) style() tcell.Style {
style := tcell.StyleDefault
return style.Foreground(asTcellColor(p.Fg())).Background(asTcellColor(p.Bg()))
}
type Attr int32
type TcellWindow struct {
color bool
@@ -72,12 +80,13 @@ func (w *TcellWindow) FinishFill() {
}
const (
Bold Attr = Attr(tcell.AttrBold)
Dim = Attr(tcell.AttrDim)
Blink = Attr(tcell.AttrBlink)
Reverse = Attr(tcell.AttrReverse)
Underline = Attr(tcell.AttrUnderline)
Italic = Attr(tcell.AttrItalic)
Bold Attr = Attr(tcell.AttrBold)
Dim = Attr(tcell.AttrDim)
Blink = Attr(tcell.AttrBlink)
Reverse = Attr(tcell.AttrReverse)
Underline = Attr(tcell.AttrUnderline)
StrikeThrough = Attr(tcell.AttrStrikeThrough)
Italic = Attr(tcell.AttrItalic)
)
const (
@@ -561,6 +570,7 @@ func (w *TcellWindow) printString(text string, pair ColorPair) {
style = style.
Reverse(a&Attr(tcell.AttrReverse) != 0).
Underline(a&Attr(tcell.AttrUnderline) != 0).
StrikeThrough(a&Attr(tcell.AttrStrikeThrough) != 0).
Italic(a&Attr(tcell.AttrItalic) != 0).
Blink(a&Attr(tcell.AttrBlink) != 0).
Dim(a&Attr(tcell.AttrDim) != 0)
@@ -612,6 +622,7 @@ func (w *TcellWindow) fillString(text string, pair ColorPair) FillReturn {
Dim(a&Attr(tcell.AttrDim) != 0).
Reverse(a&Attr(tcell.AttrReverse) != 0).
Underline(a&Attr(tcell.AttrUnderline) != 0).
StrikeThrough(a&Attr(tcell.AttrStrikeThrough) != 0).
Italic(a&Attr(tcell.AttrItalic) != 0)
gr := uniseg.NewGraphemes(text)

2
src/tui/tcell_test.go
View File

@@ -5,7 +5,7 @@ package tui
import (
"testing"
"github.com/gdamore/tcell"
"github.com/gdamore/tcell/v2"
"github.com/junegunn/fzf/src/util"
)