105 lines
2.0 KiB
Go
105 lines
2.0 KiB
Go
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package main
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import (
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"time"
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"git.kirsle.net/apps/doodle/lib/render"
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"git.kirsle.net/apps/doodle/lib/render/sdl"
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"git.kirsle.net/apps/doodle/lib/ui"
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)
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var TargetFPS = 1000 / 60
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func main() {
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engine := sdl.New("Test Layout GUI", 1024, 768)
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if err := engine.Setup(); err != nil {
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panic(err)
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}
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super := ui.NewSupervisor()
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window := ui.NewWindow("Test Window")
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window.Configure(ui.Config{
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Width: 750,
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Height: 400,
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Background: render.Grey,
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})
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window.MoveTo(render.NewPoint(80, 80))
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leftPanel := ui.NewFrame("Left Panel")
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leftPanel.Configure(ui.Config{
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// AutoResize: true,
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Width: 200,
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Background: render.SkyBlue,
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BorderStyle: ui.BorderRaised,
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BorderSize: 2,
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})
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window.Pack(leftPanel, ui.Pack{
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Side: ui.Left,
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Fill: ui.FillY,
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Expand: true,
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})
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body := ui.NewFrame("Body Panel")
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body.Configure(ui.Config{
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Background: render.RGBA(255, 0, 0, 64),
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BorderStyle: ui.BorderSunken,
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BorderSize: 2,
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})
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window.Pack(body, ui.Pack{
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Side: ui.Left,
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Expand: true,
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})
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label1 := ui.NewLabel(ui.Label{
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Text: "Hello world!",
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Font: render.Text{
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Size: 24,
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Color: render.Red,
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Stroke: render.Purple,
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},
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})
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body.Pack(label1, ui.Pack{
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Side: ui.Top,
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})
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window.Frame().SetBackground(render.Yellow)
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window.Compute(engine)
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// window.Present(engine, window.Point())
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super.Add(window)
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super.MainLoop(engine)
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//
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for true {
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start := time.Now()
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engine.Clear(render.White)
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// poll for events
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ev, err := engine.Poll()
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if err != nil {
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panic(err)
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}
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// escape key to close the window
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if ev.EscapeKey.Now {
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break
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}
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super.Loop(ev)
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window.Compute(engine)
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window.Present(engine, window.Point())
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engine.Present()
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// Delay to maintain the target frames per second.
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var delay uint32
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elapsed := time.Now().Sub(start)
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tmp := elapsed / time.Millisecond
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if TargetFPS-int(tmp) > 0 { // make sure it won't roll under
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delay = uint32(TargetFPS - int(tmp))
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}
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engine.Delay(delay)
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}
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}
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