aerc/lib/ui/text.go -rw-r--r-- 1.4 KiB View raw
                                                                                
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package ui

import (
	"github.com/gdamore/tcell"
	"github.com/mattn/go-runewidth"
)

const (
	TEXT_LEFT   = iota
	TEXT_CENTER = iota
	TEXT_RIGHT  = iota
)

type Text struct {
	Invalidatable
	text     string
	strategy uint
	fg       tcell.Color
	bg       tcell.Color
	bold     bool
	reverse  bool
}

func NewText(text string) *Text {
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return &Text{ bg: tcell.ColorDefault, fg: tcell.ColorDefault, text: text, } } func (t *Text) Text(text string) *Text {
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t.text = text t.Invalidate() return t } func (t *Text) Strategy(strategy uint) *Text { t.strategy = strategy t.Invalidate() return t } func (t *Text) Bold(bold bool) *Text {
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t.bold = bold t.Invalidate() return t } func (t *Text) Color(fg tcell.Color, bg tcell.Color) *Text {
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t.fg = fg t.bg = bg t.Invalidate() return t } func (t *Text) Reverse(reverse bool) *Text {
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t.reverse = reverse t.Invalidate() return t } func (t *Text) Draw(ctx *Context) { size := runewidth.StringWidth(t.text) x := 0 if t.strategy == TEXT_CENTER { x = (ctx.Width() - size) / 2 } if t.strategy == TEXT_RIGHT { x = ctx.Width() - size } style := tcell.StyleDefault.Background(t.bg).Foreground(t.fg) if t.bold { style = style.Bold(true) } if t.reverse { style = style.Reverse(true) } ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', style) ctx.Printf(x, 0, style, "%s", t.text) } func (t *Text) Invalidate() {
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t.DoInvalidate(t) }