64 lines
1.3 KiB
Go
64 lines
1.3 KiB
Go
package tins2020
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import "github.com/veandco/go-sdl2/sdl"
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type ButtonBar struct {
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Container
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Background sdl.Color
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ButtonLength int32
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Orientation Orientation
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Buttons []Control
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}
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const buttonBarWidth = 96
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func (b *ButtonBar) Init(ctx *Context) error {
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for i := range b.Buttons {
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b.AddChild(b.Buttons[i])
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}
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return b.Container.Init(ctx)
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}
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func (b *ButtonBar) Arrange(ctx *Context, bounds Rectangle) {
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b.Container.Arrange(ctx, bounds)
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length := b.ButtonLength
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switch b.Orientation {
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case OrientationHorizontal:
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if length == 0 {
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length = bounds.H
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}
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offset := bounds.X
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for i := range b.Buttons {
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b.Buttons[i].Arrange(ctx, RectSize(offset, bounds.Y, length, bounds.H))
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offset += length
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}
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default:
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if length == 0 {
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length = bounds.W
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}
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offset := bounds.Y
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for i := range b.Buttons {
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b.Buttons[i].Arrange(ctx, RectSize(bounds.X, offset, bounds.W, length))
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offset += length
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}
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}
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}
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func (b *ButtonBar) Handle(ctx *Context, event sdl.Event) {
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b.Container.Handle(ctx, event)
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}
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func (b *ButtonBar) Render(ctx *Context) {
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ctx.Renderer.SetDrawColor(b.Background.R, b.Background.G, b.Background.B, b.Background.A)
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ctx.Renderer.FillRect(b.Bounds.SDLPtr())
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b.Container.Render(ctx)
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}
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type Orientation int
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const (
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OrientationVertical Orientation = iota
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OrientationHorizontal
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)
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