Created
July 17, 2024 14:27
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Gioui reproducer for https://todo.sr.ht/~eliasnaur/gio/602
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| module demo | |
| go 1.22 | |
| require gioui.org v0.7.1 | |
| require ( | |
| gioui.org/cpu v0.0.0-20220412190645-f1e9e8c3b1f7 // indirect | |
| gioui.org/shader v1.0.8 // indirect | |
| github.com/go-text/typesetting v0.1.1 // indirect | |
| golang.org/x/exp v0.0.0-20240707233637-46b078467d37 // indirect | |
| golang.org/x/exp/shiny v0.0.0-20240707233637-46b078467d37 // indirect | |
| golang.org/x/image v0.18.0 // indirect | |
| golang.org/x/sys v0.22.0 // indirect | |
| golang.org/x/text v0.16.0 // indirect | |
| ) |
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| package main | |
| import ( | |
| "gioui.org/io/system" | |
| "image/color" | |
| "log" | |
| "os" | |
| "gioui.org/app" | |
| "gioui.org/op" | |
| "gioui.org/text" | |
| "gioui.org/widget/material" | |
| ) | |
| func main() { | |
| go func() { | |
| window := new(app.Window) | |
| window.Perform(system.ActionCenter) | |
| err := run(window) | |
| if err != nil { | |
| log.Fatal(err) | |
| } | |
| os.Exit(0) | |
| }() | |
| app.Main() | |
| } | |
| func run(window *app.Window) error { | |
| theme := material.NewTheme() | |
| var ops op.Ops | |
| for { | |
| switch e := window.Event().(type) { | |
| case app.DestroyEvent: | |
| return e.Err | |
| case app.FrameEvent: | |
| // This graphics context is used for managing the rendering state. | |
| gtx := app.NewContext(&ops, e) | |
| // Define an large label with an appropriate text: | |
| title := material.H1(theme, "Hello, Gio") | |
| // Change the color of the label. | |
| maroon := color.NRGBA{R: 127, G: 0, B: 0, A: 255} | |
| title.Color = maroon | |
| // Change the position of the label. | |
| title.Alignment = text.Middle | |
| // Draw the label to the graphics context. | |
| title.Layout(gtx) | |
| // Pass the drawing operations to the GPU. | |
| e.Frame(gtx.Ops) | |
| } | |
| } | |
| } |
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