Files
8bitMyGoUI/text/link.go
T

53 lines
1.2 KiB
Go

package text
import (
"log/slog"
"github.com/egoist/mygo/ui"
"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
)
type LinkOptions struct {
Disabled bool
}
type LinkResult struct {
Element *ui.Element
Clicked bool
}
// Link is underlined text opening url on click or Enter.
func Link(c *ui.Context, label, url string, o LinkOptions) LinkResult {
k := pixel.K(c)
shell, base, st := pixel.Shell(c, func() *ui.Element {
return ui.Box(c).Focusable().Role(ui.RoleLink).Label(label).Description(url).Disabled(o.Disabled).Cursor(ui.CursorPointer)
})
w := pixel.Measure(label)
shell.Size(k.D(w+2), k.D(pixel.LineHeight)).Draw(func(p *ui.Painter, r ui.Rect) {
g := k.Canvas(p, r)
ink := pixel.Info
switch {
case st.Disabled:
ink = pixel.Faint
case st.Press:
g.Rect(0, 0, g.W, g.H, pixel.Shade)
case st.Hover:
g.Rect(0, 0, g.W, g.H, pixel.Lit)
}
g.Text(1, 0, label, ink, 1)
if !st.Disabled {
g.HLine(1, pixel.LineHeight-2, w, ink)
}
if st.Focus {
g.FocusMark(0, 0, g.W, g.H)
}
})
res := LinkResult{Element: shell, Clicked: base.Clicked()}
if res.Clicked {
slog.Debug("8bit: link open", "url", url)
c.OpenURL(url)
}
return res
}