Initial Commit

bordered_widget.go

@@ -22,7 +22,7 @@ THE SOFTWARE.
 package widgets
 
 import (
-	h "git.bullercodeworks.com/brian/dhcli/helpers"
+	h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
 	"github.com/gdamore/tcell"
 )
 

button.go

@@ -25,7 +25,7 @@ import (
 	"fmt"
 	"strings"
 
-	h "git.bullercodeworks.com/brian/dhcli/helpers"
+	h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
 	"github.com/gdamore/tcell"
 )
 

checkbox.go

@@ -24,7 +24,7 @@ package widgets
 import (
 	"fmt"
 
-	h "git.bullercodeworks.com/brian/dhcli/helpers"
+	h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
 	"github.com/gdamore/tcell"
 )
 

field.go

@@ -24,7 +24,7 @@ package widgets
 import (
 	"fmt"
 
-	h "git.bullercodeworks.com/brian/dhcli/helpers"
+	h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
 	"github.com/gdamore/tcell"
 )
 

go.mod

@@ -0,0 +1,13 @@
+module git.bullercodeworks.com/brian/tcell-widgets
+
+go 1.24.2
+
+require github.com/gdamore/tcell v1.4.0
+
+require (
+	github.com/gdamore/encoding v1.0.0 // indirect
+	github.com/lucasb-eyer/go-colorful v1.0.3 // indirect
+	github.com/mattn/go-runewidth v0.0.7 // indirect
+	golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756 // indirect
+	golang.org/x/text v0.3.0 // indirect
+)

go.sum

@@ -0,0 +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 v1.4.0 h1:vUnHwJRvcPQa3tzi+0QI4U9JINXYJlOz9yiaiPQ2wMU=
+github.com/gdamore/tcell v1.4.0/go.mod h1:vxEiSDZdW3L+Uhjii9c3375IlDmR05bzxY404ZVSMo0=
+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/mattn/go-runewidth v0.0.7 h1:Ei8KR0497xHyKJPAv59M1dkC+rOZCMBJ+t3fZ+twI54=
+github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756 h1:9nuHUbU8dRnRRfj9KjWUVrJeoexdbeMjttk6Oh1rD10=
+golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

helpers/event_helpers.go

@@ -0,0 +1,97 @@
+/*
+Copyright © Brian Buller <brian@bullercodeworks.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package helpers
+
+import (
+	"github.com/gdamore/tcell"
+)
+
+func IsKeyEvent(e tcell.Event) bool {
+	_, ok := e.(*tcell.EventKey)
+	return ok
+}
+
+func IsKey(e tcell.EventKey, opts ...tcell.Key) bool {
+	for i := range opts {
+		if e.Key() == opts[i] {
+			return true
+		}
+	}
+	return false
+}
+
+func IsBS(e tcell.EventKey) bool {
+	return IsKey(e, tcell.KeyBackspace, tcell.KeyBackspace2)
+}
+
+func KeyIsDisplayable(ev tcell.EventKey) bool {
+	return KeyIsSpace(ev) || KeyIsAlphaNumeric(ev) || KeyIsSymbol(ev)
+}
+
+func KeyIsSpace(ev tcell.EventKey) bool {
+	r := ev.Rune()
+	return r == ' '
+}
+
+func KeyIsAlphaNumeric(ev tcell.EventKey) bool {
+	return KeyIsAlpha(ev) || KeyIsNumeric(ev)
+}
+
+func KeyIsAlpha(ev tcell.EventKey) bool {
+	r := ev.Rune()
+	return (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z')
+}
+
+// KeyIsNumeric Returns whether the event is a
+// numeric Key press
+func KeyIsNumeric(ev tcell.EventKey) bool {
+	r := ev.Rune()
+	return (r >= '0' && r <= '9')
+}
+
+// KeyIsSymbol Returns whether the event is a
+// symbol Key press
+func KeyIsSymbol(ev tcell.EventKey) bool {
+	symbols := []rune{
+		'!', '@', '#', '$', '%', '^', '&', '*',
+		'(', ')', '-', '_', '=', '+', '[', ']', '{', '}', '|',
+		';', ':', '"', '\'', ',', '<', '.', '>', '/', '?', '`', '~', '\\',
+	}
+	k := ev.Rune()
+	for i := range symbols {
+		if k == symbols[i] {
+			return true
+		}
+	}
+	return false
+}
+
+func HandleKeys(ev tcell.EventKey, keys map[tcell.Key]func() bool) bool {
+	for k, v := range keys {
+		if ev.Key() == k {
+			return v()
+		}
+	}
+	return false
+}
+
+func HasCtrl(ev *tcell.EventKey) bool { return ev.Modifiers()&tcell.ModCtrl == tcell.ModCtrl }

helpers/number_helpers.go

@@ -0,0 +1,50 @@
+/*
+Copyright © Brian Buller <brian@bullercodeworks.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package helpers
+
+import "cmp"
+
+func Max[E cmp.Ordered](of ...E) E {
+	var m E
+	if len(of) > 0 {
+		m = of[0]
+	}
+	for i := range of {
+		if of[i] > m {
+			m = of[i]
+		}
+	}
+	return m
+}
+
+func Min[E cmp.Ordered](of ...E) E {
+	var m E
+	if len(of) > 0 {
+		m = of[0]
+	}
+	for i := range of {
+		if of[i] < m {
+			m = of[i]
+		}
+	}
+	return m
+}

helpers/tcell_borders.go

@@ -0,0 +1,180 @@
+/*
+Copyright © Brian Buller <brian@bullercodeworks.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package helpers
+
+import (
+	"github.com/gdamore/tcell"
+)
+
+/*
+The Border template starts at North and goes clockwise:
+─, ┐, │, ┘, ─, └, │, ┌
+Then it has the crossing lines:
+├, ─, ┤, ┬, │, ┴
+So a full border might look like this:
+
+	[]rune{
+		'─', '┐', '│', '┘', '─', '└', '│', '┌',
+		'├', '─', '┤', '┬', '│', '┴',
+	}
+
+U+250x 	─ 	━ 	│ 	┃ 	┄ 	┅ 	┆ 	┇ 	┈ 	┉ 	┊ 	┋ 	┌ 	┍ 	┎ 	┏
+U+251x 	┐ 	┑ 	┒ 	┓ 	└ 	┕ 	┖ 	┗ 	┘ 	┙ 	┚ 	┛ 	├ 	┝ 	┞ 	┟
+U+252x 	┠ 	┡ 	┢ 	┣ 	┤ 	┥ 	┦ 	┧ 	┨ 	┩ 	┪ 	┫ 	┬ 	┭ 	┮ 	┯
+U+253x 	┰ 	┱ 	┲ 	┳ 	┴ 	┵ 	┶ 	┷ 	┸ 	┹ 	┺ 	┻ 	┼ 	┽ 	┾ 	┿
+U+254x 	╀ 	╁ 	╂ 	╃ 	╄ 	╅ 	╆ 	╇ 	╈ 	╉ 	╊ 	╋ 	╌ 	╍ 	╎ 	╏
+U+255x 	═ 	║ 	╒ 	╓ 	╔ 	╕ 	╖ 	╗ 	╘ 	╙ 	╚ 	╛ 	╜ 	╝ 	╞ 	╟
+U+256x 	╠ 	╡ 	╢ 	╣ 	╤ 	╥ 	╦ 	╧ 	╨ 	╩ 	╪ 	╫ 	╬ 	╭ 	╮ 	╯
+U+257x 	╰ 	╱ 	╲ 	╳ 	╴ 	╵ 	╶ 	╷ 	╸ 	╹ 	╺ 	╻ 	╼ 	╽ 	╾ 	╿
+*/
+const (
+	BRD_N = iota
+	BRD_NE
+	BRD_E
+	BRD_SE
+	BRD_S
+	BRD_SW
+	BRD_W
+	BRD_NW
+	BRD_CROSS_E
+	BRD_CROSS_H
+	BRD_CROSS_W
+	BRD_CROSS_S
+	BRD_CROSS_V
+	BRD_CROSS_N
+	BRD_CROSS_ALL
+)
+
+var (
+	BRD_SIMPLE           = []rune{'─', '┐', '│', '┘', '─', '└', '│', '┌', '├', '─', '┤', '┬', '│', '┴', '┼'}
+	BRD_CSIMPLE          = []rune{'─', '╮', '│', '╯', '─', '╰', '│', '╭', '├', '─', '┤', '┬', '│', '┴', '┼'}
+	BRD_DOUBLE           = []rune{'═', '╗', '║', '╝', '═', '╚', '║', '╔', '╠', '═', '╣', '╦', '║', '╩', '╬'}
+	BRD_CSIMPLE_DOTSPLIT = []rune{'─', '╮', '│', '╯', '─', '╰', '│', '╭', '├', '┄', '┤', '┬', '┊', '┴', '┼'}
+	BRD_BLOCK_SHADOW     = []rune{'░', '░', '▓', '▓', '▓', '░', '░', '░', '░', '░', '░', '░', '░', '░', '░'}
+)
+
+// Horizontal/Vertical Rules
+const (
+	RULE_START = iota
+	RULE_FILL
+	RULE_END
+)
+
+var (
+	HRULE_SIMPLE = []rune{'├', '─', '┤'}
+	HRULE_DOUBLE = []rune{'╠', '═', '╣'}
+
+	VRULE_SIMPLE = []rune{'┬', '│', '┴'}
+	VRULE_DOUBLE = []rune{'╦', '║', '╩'}
+)
+
+func ValidateBorder(border []rune) []rune {
+	for len(border) < BRD_CROSS_ALL+1 {
+		border = append(border, ' ')
+	}
+	return border
+}
+
+func ValidateRule(rule []rune) []rune {
+	for len(rule) < RULE_END+1 {
+		rule = append(rule, ' ')
+	}
+	return rule
+}
+
+func HRule(x1, x2, y int, rule []rune, s tcell.Style, screen tcell.Screen) {
+	Fill(x1, y, x2, y, rule[RULE_FILL], s, screen)
+	screen.SetContent(x1, y, rule[RULE_START], nil, s)
+	screen.SetContent(x2, y, rule[RULE_END], nil, s)
+}
+
+func VRule(x, y1, y2 int, rule []rune, s tcell.Style, screen tcell.Screen) {
+	Fill(x, y1, x, y2, rule[RULE_FILL], s, screen)
+	screen.SetContent(x, y1, rule[RULE_START], nil, s)
+	screen.SetContent(x, y2, rule[RULE_END], nil, s)
+}
+
+func BorderFilled(x1, y1, x2, y2 int, border []rune, s tcell.Style, screen tcell.Screen) {
+	Border(x1, y1, x2, y2, border, s, screen)
+	Fill(x1+1, y1+1, x2-1, y2-1, ' ', s, screen)
+}
+
+func Border(x1, y1, x2, y2 int, border []rune, s tcell.Style, screen tcell.Screen) {
+	border = ValidateBorder(border)
+	Fill(x1+1, y1, x2-1, y1, border[BRD_N], s, screen)
+	Fill(x2, y1+1, x2, y2-1, border[BRD_E], s, screen)
+	Fill(x1+1, y2, x2-1, y2, border[BRD_S], s, screen)
+	Fill(x1, y1+1, x1, y2-1, border[BRD_W], s, screen)
+	screen.SetContent(x1, y1, border[BRD_NW], nil, s)
+	screen.SetContent(x2, y1, border[BRD_NE], nil, s)
+	screen.SetContent(x1, y2, border[BRD_SW], nil, s)
+	screen.SetContent(x2, y2, border[BRD_SE], nil, s)
+}
+
+func TitledBorderFilled(x1, y1, x2, y2 int, ttl string, border []rune, s tcell.Style, screen tcell.Screen) {
+	TitledBorder(x1, y1, x2, y2, ttl, border, s, screen)
+	Fill(x1+1, y1+1, x2-1, y2-1, ' ', s, screen)
+}
+
+func TitledBorder(x1, y1, x2, y2 int, ttl string, border []rune, s tcell.Style, screen tcell.Screen) {
+	if ttl == "" {
+		Border(x1, y1, x2, y2, border, s, screen)
+		return
+	}
+	border = ValidateBorder(border)
+	ttlLength, maxTtlLength := len(ttl), (x2 - x1 - 2)
+	if ttlLength > maxTtlLength {
+		if maxTtlLength-3 > 0 {
+			ttlLength = maxTtlLength
+			ttl = ttl[0:maxTtlLength-3] + "..."
+		}
+	}
+	DrawText(x1+1, y1, ttl, s, screen)
+	Fill(x1+1+ttlLength, y1, x2-1, y1, border[BRD_N], s, screen)
+	Fill(x2, y1+1, x2, y2-1, border[BRD_E], s, screen)
+	Fill(x1+1, y2, x2-1, y2, border[BRD_S], s, screen)
+	Fill(x1, y1+1, x1, y2-1, border[BRD_W], s, screen)
+	screen.SetContent(x1, y1, border[BRD_NW], nil, s)
+	screen.SetContent(x2, y1, border[BRD_NE], nil, s)
+	screen.SetContent(x1, y2, border[BRD_SW], nil, s)
+	screen.SetContent(x2, y2, border[BRD_SE], nil, s)
+}
+
+func BorderHasEast(border []rune) bool {
+	border = ValidateBorder(border)
+	return border[BRD_E] != ' ' || border[BRD_NE] != ' ' || border[BRD_SE] != ' '
+}
+
+func BorderHasWest(border []rune) bool {
+	border = ValidateBorder(border)
+	return border[BRD_W] != ' ' || border[BRD_NW] != ' ' || border[BRD_SW] != ' '
+}
+
+func BorderHasNorth(border []rune) bool {
+	border = ValidateBorder(border)
+	return border[BRD_N] != ' ' || border[BRD_NE] != ' ' || border[BRD_NW] != ' '
+}
+
+func BorderHasSouth(border []rune) bool {
+	border = ValidateBorder(border)
+	return border[BRD_S] != ' ' || border[BRD_NW] != ' ' || border[BRD_SW] != ' '
+}

helpers/tcell_helpers.go

@@ -0,0 +1,45 @@
+/*
+Copyright © Brian Buller <brian@bullercodeworks.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package helpers
+
+import "github.com/gdamore/tcell"
+
+func DrawText(x, y int, text string, style tcell.Style, screen tcell.Screen) {
+	for _, r := range text {
+		screen.SetContent(x, y, r, nil, style)
+		x++
+	}
+}
+
+func Fill(x1, y1, x2, y2 int, r rune, style tcell.Style, screen tcell.Screen) {
+	if x1 > x2 {
+		x1, x2 = x2, x1
+	}
+	if y1 > y2 {
+		y1, y2 = y2, y1
+	}
+	for x := x1; x <= x2; x++ {
+		for y := y1; y <= y2; y++ {
+			screen.SetContent(x, y, r, nil, style)
+		}
+	}
+}

helpers/text_helpers.go

@@ -0,0 +1,159 @@
+/*
+Copyright © Brian Buller <brian@bullercodeworks.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package helpers
+
+import (
+	"bytes"
+	"fmt"
+	"strings"
+	"unicode"
+)
+
+type Align int
+
+const (
+	AlignLeft = iota
+	AlignCenter
+	AlignRight
+)
+
+func Center(txt string, width int) string {
+	if len(txt) >= width {
+		// Trim from beg & end until width
+		for len(txt) > width {
+			txt = txt[:len(txt)-1]
+			if len(txt) > width {
+				txt = txt[1:]
+			}
+		}
+		return txt
+	}
+	for len(txt) < width {
+		txt = fmt.Sprintf(" %s", txt)
+		if len(txt) < width {
+			txt = fmt.Sprintf("%s ", txt)
+		}
+	}
+	return txt
+}
+
+func CenterBetween(txt, left, right string, width int) string {
+	if len(txt) >= width {
+		return Center(txt, width)
+	}
+	for len(txt) < width {
+		txt = fmt.Sprintf("%s%s", left, txt)
+		if len(txt) < width {
+			txt = fmt.Sprintf("%s%s", txt, right)
+		}
+	}
+	return txt
+}
+
+func PadR(txt string, width int) string {
+	if len(txt) < width {
+		txt = fmt.Sprintf("%s%s", txt, strings.Repeat(" ", width-len(txt)))
+	}
+	return txt
+}
+
+func PadL(txt string, width int) string {
+	if len(txt) < width {
+		txt = fmt.Sprintf("%s%s", strings.Repeat(" ", width-len(txt)), txt)
+	}
+	return txt
+}
+
+// WrapText inserts new lines to make the text
+// wrap at width 'w'
+func WrapText(txt string, w int) string {
+	init := make([]byte, 0, len(txt))
+	buf := bytes.NewBuffer(init)
+	var current uint
+	var wordBuf, spaceBuf bytes.Buffer
+	var wordBufLen, spaceBufLen uint
+	writeBufs := func() {
+		current += spaceBufLen + wordBufLen
+		spaceBuf.WriteTo(buf)
+		spaceBuf.Reset()
+		spaceBufLen = 0
+		wordBuf.WriteTo(buf)
+		wordBuf.Reset()
+		wordBufLen = 0
+	}
+	for _, char := range txt {
+		if char == '\n' {
+			// _Must_ wrap at newline
+			if wordBuf.Len() == 0 {
+				if int(current+spaceBufLen) > w {
+					current = 0
+				} else {
+					current += spaceBufLen
+					spaceBuf.WriteTo(buf)
+				}
+				spaceBuf.Reset()
+				spaceBufLen = 0
+			} else {
+				writeBufs()
+			}
+			buf.WriteRune(char)
+			current = 0
+		} else if unicode.IsSpace(char) && char != 0xA0 {
+			// Can wrap at whitespace
+			if spaceBuf.Len() == 0 || wordBuf.Len() > 0 {
+				writeBufs()
+			}
+			spaceBuf.WriteRune(char)
+			spaceBufLen++
+		} else {
+			wordBuf.WriteRune(char)
+			wordBufLen++
+			if int(current+wordBufLen+spaceBufLen) > w && int(wordBufLen) < w {
+				buf.WriteRune('\n')
+				current = 0
+				spaceBuf.Reset()
+				spaceBufLen = 0
+			}
+		}
+	}
+
+	if wordBuf.Len() == 0 {
+		if int(current+spaceBufLen) <= w {
+			spaceBuf.WriteTo(buf)
+		}
+	} else {
+		spaceBuf.WriteTo(buf)
+		wordBuf.WriteTo(buf)
+	}
+	return buf.String()
+}
+
+func Longest(of []string) int {
+	var ret int
+	for i := range of {
+		tst := len(of[i])
+		if tst > ret {
+			ret = tst
+		}
+	}
+	return ret
+}

menu.go

@@ -22,7 +22,7 @@ THE SOFTWARE.
 package widgets
 
 import (
-	h "git.bullercodeworks.com/brian/dhcli/helpers"
+	h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
 	"github.com/gdamore/tcell"
 )
 

menu_item.go

@@ -22,7 +22,7 @@ THE SOFTWARE.
 package widgets
 
 import (
-	h "git.bullercodeworks.com/brian/dhcli/helpers"
+	h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
 	"github.com/gdamore/tcell"
 )
 

searcher.go

@@ -25,7 +25,7 @@ import (
 	"fmt"
 	"strings"
 
-	h "git.bullercodeworks.com/brian/dhcli/helpers"
+	h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
 	"github.com/gdamore/tcell"
 )
 

table.go

@@ -25,7 +25,7 @@ import (
 	"fmt"
 	"strings"
 
-	h "git.bullercodeworks.com/brian/dhcli/helpers"
+	h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
 	"github.com/gdamore/tcell"
 )
 

text.go

@@ -22,7 +22,7 @@ THE SOFTWARE.
 package widgets
 
 import (
-	h "git.bullercodeworks.com/brian/dhcli/helpers"
+	h "git.bullercodeworks.com/brian/tcell-widgets/helpers"
 	"github.com/gdamore/tcell"
 )