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termbox-util/termbox_util.go
2015-05-01 22:15:36 -05:00

58 lines
1.3 KiB
Go

package termbox_util
import (
"fmt"
"github.com/nsf/termbox-go"
"strings"
)
type TextAlignment int
const (
ALIGN_LEFT = iota
ALIGN_CENTER
ALIGN_RIGHT
)
/* Basic Output Helpers */
func DrawStringAtPoint(str string, x int, y int, fg termbox.Attribute, bg termbox.Attribute) (int, int) {
x_pos := x
for _, runeValue := range str {
termbox.SetCell(x_pos, y, runeValue, fg, bg)
x_pos++
}
return x_pos, y
}
func FillWithChar(r rune, x1, y1, x2, y2 int, fg termbox.Attribute, bg termbox.Attribute) {
for xx := x1; xx <= x2; xx++ {
for yx := y1; yx <= y2; yx++ {
termbox.SetCell(xx, yx, r, fg, bg)
}
}
}
func DrawBorder(x1, y1, x2, y2 int, fg termbox.Attribute, bg termbox.Attribute) {
FillWithChar('|', x1, y1, x1, y2, fg, bg)
FillWithChar('|', x2, y1, x2, y2, fg, bg)
FillWithChar('-', x1, y1, x2, y1, fg, bg)
FillWithChar('-', x1, y2, x2, y2, fg, bg)
}
func AlignText(txt string, width int, align TextAlignment) string {
num_spaces := width - len(txt)
switch align {
case ALIGN_CENTER:
return fmt.Sprintf("%s%s%s",
strings.Repeat(" ", num_spaces/2),
txt, strings.Repeat(" ", num_spaces/2),
)
case ALIGN_RIGHT:
return fmt.Sprintf("%s%s", strings.Repeat(" ", num_spaces), txt)
default:
return fmt.Sprintf("%s%s", txt, strings.Repeat(" ", num_spaces))
}
}
/* More advanced things are in their respective files*/