tins2020/iconbutton.go

package tins2020

import (
	"image/color"

	"opslag.de/schobers/zntg"
	"opslag.de/schobers/zntg/ui"
)

type IconButton struct {
	ui.Button

	Active bool
}

func NewIconButton(icon string, click ui.EventEmptyFn) *IconButton {
	b := &IconButton{
		Button: ui.Button{
			Icon:       icon,
			IconHeight: 48,
			Type:       ui.ButtonTypeText,
			HoverColor: hoverTransparentColor,
		},
	}
	b.Font.Color = color.White
	b.ButtonClicked().AddHandler(func(ctx ui.Context, _ ui.ControlClickedArgs) { click(ctx) })
	return b
}

func NewIconButtonConfigure(icon string, click ui.EventEmptyFn, configure func(*IconButton)) *IconButton {
	button := NewIconButton(icon, click)
	configure(button)
	return button
}

var hoverTransparentColor = zntg.MustHexColor(`#FFFFFF1F`)

func (b *IconButton) Render(ctx ui.Context) {
	b.RenderActive(ctx)
	b.Button.Render(ctx)
}

func (b *IconButton) RenderActive(ctx ui.Context) {
	if b.Active && !b.Disabled && !b.IsOver() {
		ctx.Renderer().FillRectangle(b.Bounds(), hoverTransparentColor)
	}
}