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Code Issues Releases Wiki Activity

Working on Wrapping Still

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This commit is contained in:
Brian Buller 2016-01-04 18:25:07 -06:00
parent 31b785172d
commit 9026f1a1ff
1 changed files with 30 additions and 19 deletions
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41
termbox_inputfield.go
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@ -2,6 +2,8 @@ package termboxUtil
import ( import (
"fmt" "fmt"
"strconv"
"strings"
"github.com/nsf/termbox-go" "github.com/nsf/termbox-go"
) )
@ -88,9 +90,7 @@ func (i *InputField) SetWrap(b bool) *InputField {
// HandleKeyPress accepts the termbox event and returns whether it was consumed // HandleKeyPress accepts the termbox event and returns whether it was consumed
func (i *InputField) HandleKeyPress(event termbox.Event) bool { func (i *InputField) HandleKeyPress(event termbox.Event) bool {
if event.Key == termbox.KeyEnter { if event.Key == termbox.KeyBackspace || event.Key == termbox.KeyBackspace2 {
// Done editing
} else if event.Key == termbox.KeyBackspace || event.Key == termbox.KeyBackspace2 {
if len(i.value) > 0 { if len(i.value) > 0 {
i.value = i.value[:len(i.value)-1] i.value = i.value[:len(i.value)-1]
} }
@ -103,8 +103,8 @@ func (i *InputField) HandleKeyPress(event termbox.Event) bool {
i.cursor++ i.cursor++
} }
} else if event.Key == termbox.KeyCtrlU { } else if event.Key == termbox.KeyCtrlU {
// Ctrl+U Clears the Input // Ctrl+U Clears the Input (before the cursor)
i.value = "" i.value = i.value[i.cursor:]
} else { } else {
// Get the rune to add to our value. Space and Tab are special cases where // Get the rune to add to our value. Space and Tab are special cases where
// we can't use the event's rune directly // we can't use the event's rune directly
@ -114,6 +114,8 @@ func (i *InputField) HandleKeyPress(event termbox.Event) bool {
ch = " " ch = " "
case termbox.KeyTab: case termbox.KeyTab:
ch = "\t" ch = "\t"
case termbox.KeyEnter:
ch = "\n"
default: default:
ch = string(event.Ch) ch = string(event.Ch)
} }
@ -162,29 +164,38 @@ func (i *InputField) Draw() {
if i.bordered { if i.bordered {
maxWidth-- maxWidth--
} }
DrawStringAtPoint(strconv.Itoa(strings.Count(i.value, "\n")), i.x, i.y, i.fg, i.bg)
if i.wrap { if i.wrap {
// Split the text into maxWidth chunks // Split the text into maxWidth chunks
x, y := i.x+1, i.y+1 x, y := i.x+1, i.y+1
for len(strPt1) > 0 { nlCount := strings.Count(strPt1, "\n")
if len(strPt1) > maxWidth { for len(strPt1) > maxWidth || nlCount > 0 {
x, y = DrawStringAtPoint(strPt1[:maxWidth], x, y, i.fg, i.bg) nlIdx := strings.Index(strPt1, "\n")
strPt1 = strPt1[maxWidth+1:] breakAt := maxWidth
continue if nlIdx < maxWidth {
breakAt = nlIdx + 1
}
x, y = DrawStringAtPoint(strPt1[:breakAt], x, y, i.fg, i.bg)
strPt1 = strPt1[breakAt:]
if len(strPt1) > 0 {
x = i.x + 1
y++
}
nlCount = strings.Count(strPt1, "\n")
} }
x, y = DrawStringAtPoint(strPt1, x, y, i.fg, i.bg) x, y = DrawStringAtPoint(strPt1, x, y, i.fg, i.bg)
}
if maxWidth-len(strPt1) <= 0 { if maxWidth-len(strPt1) <= 0 {
termbox.SetCell(x, y, cursorRune, i.bg, i.fg) termbox.SetCell(x, y, cursorRune, i.bg, i.fg)
} }
if len(strPt2) > 0 {
if maxWidth-len(strPt1)-1 > 0 { if maxWidth-len(strPt1)-1 > 0 {
DrawStringAtPoint(strPt2[:(maxWidth-len(strPt1)-1)], x+1, y, i.fg, i.bg) DrawStringAtPoint(strPt2[:(maxWidth-len(strPt1)-1)], x+1, y, i.fg, i.bg)
strPt2 = strPt2[(maxWidth - len(strPt1)):] strPt2 = strPt2[(maxWidth - len(strPt1)):]
} }
for len(strPt2) > 0 { nlCount := strings.Count(strPt2, "\n")
if len(strPt2) > maxWidth { for len(strPt2) > maxWidth || nlCount > 0 {
x, y = DrawStringAtPoint(strPt2[:maxWidth], x, y, i.fg, i.bg) x, y = DrawStringAtPoint(strPt2[:maxWidth], x, y, i.fg, i.bg)
strPt2 = strPt2[maxWidth+1:] strPt2 = strPt2[maxWidth:]
continue
} }
x, y = DrawStringAtPoint(strPt2, x, y, i.fg, i.bg) x, y = DrawStringAtPoint(strPt2, x, y, i.fg, i.bg)
} }