47 lines
950 B
Go
47 lines
950 B
Go
package ui
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import (
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"time"
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"opslag.de/schobers/geom"
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)
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// Run runs the application loop.
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func Run(r Renderer, s *Style, view Control) error {
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return RunWait(r, s, view, false)
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}
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// RunWait runs the application loop and conditionally waits on events before rendering.
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func RunWait(r Renderer, s *Style, view Control, wait bool) error {
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ctx := &context{r: r, style: s, view: view, ims: NewImages(r)}
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root, ok := view.(RootControl)
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if ok {
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err := root.Init(ctx)
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if err != nil {
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return err
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}
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}
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anim := time.NewTicker(30 * time.Millisecond)
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go func() {
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for range anim.C {
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if ctx.animate && !ctx.quit {
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r.Refresh()
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}
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ctx.animate = false
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}
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}()
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ctx.Renderer().Refresh()
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for !ctx.quit {
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var size = r.Size()
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var bounds = geom.RectF32(0, 0, size.X, size.Y)
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view.Arrange(ctx, bounds, geom.ZeroPtF32, nil)
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view.Render(ctx)
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if ctx.quit {
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return nil
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}
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r.PushEvents(ctx, wait)
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}
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anim.Stop()
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return nil
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}
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