68 lines
1.3 KiB
Go
68 lines
1.3 KiB
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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if s == nil {
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s = DefaultStyle()
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}
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ctx := newContext(r, s, view)
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defer ctx.Destroy()
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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 {
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select {
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case <-anim.C:
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case <-ctx.quit:
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return
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}
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if ctx.animate {
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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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defer anim.Stop()
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overlays := ctx.Overlays()
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ctx.Renderer().Refresh()
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for !ctx.HasQuit() {
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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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overlays.Arrange(ctx, bounds, geom.ZeroPtF32, nil)
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overlays.Render(ctx)
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if ctx.HasQuit() {
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return nil
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}
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tooltip := ctx.tooltip.Text
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ctx.tooltip.Text = ""
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if r.PushEvents(ctx, wait) {
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if ctx.tooltip.Text != tooltip {
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ctx.overlays.SetVisibility(uiDefaultTooltipOverlay, ctx.tooltip.Text != "")
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}
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} else {
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ctx.tooltip.Text = tooltip
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}
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}
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return nil
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}
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