zntg/ui/examples/01_basic/basic.go

package main

import (
	"image/color"
	"log"

	"opslag.de/schobers/geom"

	"opslag.de/schobers/zntg/allg5"
	"opslag.de/schobers/zntg/ui"
	"opslag.de/schobers/zntg/ui/allg5ui"
)

func run() error {
	var render, err = allg5ui.NewRenderer(800, 600, allg5.NewDisplayOptions{})
	if err != nil {
		return err
	}
	defer render.Destroy()

	err = render.RegisterFont("../resources/font/OpenSans-Regular.ttf", "default", 14)
	if err != nil {
		return err
	}
	plus, err := render.CreateImagePath("../resources/images/plus.png")
	if err != nil {
		return err
	}
	defer plus.Destroy()

	var view = &ui.StackPanel{ContainerBase: ui.ContainerBase{
		ControlBase: ui.ControlBase{Background: color.White},
		Children: []ui.Control{
			&ui.Label{Text: "Hello, world!"},
			ui.Margin(ui.BuildIconButton(plus, "Contained", func(b *ui.Button) { b.Type = ui.ButtonTypeContained }), 8),
			ui.Margin(ui.BuildIconButton(plus, "Icon", func(b *ui.Button) { b.Type = ui.ButtonTypeIcon }), 8),
			ui.Margin(ui.BuildIconButton(plus, "Outlined", func(b *ui.Button) { b.Type = ui.ButtonTypeOutlined }), 8),
			ui.Margin(ui.BuildIconButton(plus, "Text", func(b *ui.Button) { b.Type = ui.ButtonTypeText }), 8),
			ui.Margin(ui.BuildButton("Quit", func(b *ui.Button) {
				b.OnClick(func(ctx ui.Context, _ ui.Control, _ geom.PointF32, _ ui.MouseButton) {
					ctx.Quit()
				})
			}), 8),
			ui.Stretch(&ui.Label{Text: "Content"}),
			&ui.Label{Text: "Status"},
		},
	}}

	return ui.RunWait(render, ui.DefaultStyle(), view, true)
}

func main() {
	var err = run()
	if err != nil {
		log.Fatal(err)
	}
}