63 lines
1.1 KiB
Go
63 lines
1.1 KiB
Go
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package main
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import (
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"image"
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"gioui.org/ui"
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"gioui.org/ui/app"
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"gioui.org/ui/f32"
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"gioui.org/ui/layout"
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"gioui.org/ui/paint"
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gio "git.wow.st/gmp/giowrap"
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)
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func main() {
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go func() {
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w := app.NewWindow()
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ops := new(ui.Ops)
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gcs := make([]gio.GridChild, 0)
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for e := range w.Events() {
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if e, ok := e.(app.UpdateEvent); ok {
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ops.Reset()
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c := &e.Config
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cs := layout.RigidConstraints(e.Size)
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nrows := 5
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ncols := 10
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grid := gio.Grid{Cols: ncols}
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cs = grid.Init(ops, cs)
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for i := 0; i < nrows*ncols; i++ {
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grid.Begin()
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dims := layoutRect(c, ops, cs)
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gcs = append(gcs, grid.End(dims))
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}
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grid.Layout(gcs...)
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w.Update(ops)
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gcs = gcs[0:0]
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}
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}
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}()
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app.Main()
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}
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func layoutRect(c ui.Config, ops *ui.Ops, cs layout.Constraints) layout.Dimens {
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ins := layout.UniformInset(ui.Px(10))
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cs = ins.Begin(c, ops, cs)
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paint.PaintOp{Rect: f32.Rectangle{
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Max: f32.Point{
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X: float32(cs.Width.Max),
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Y: float32(cs.Width.Max),
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},
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}}.Add(ops)
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dims := layout.Dimens{
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Size: image.Point{
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X: cs.Width.Max,
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Y: cs.Width.Max,
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},
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}
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return ins.End(dims)
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}
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