46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
package input
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import (
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"log/slog"
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"github.com/egoist/mygo/ui"
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"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
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)
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type ColorSlotOptions struct {
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Disabled bool
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}
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type ColorSlotResult struct {
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Element *ui.Element
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Changed bool
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}
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// ColorSlot picks one of 16 palette slots from a grid.
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func ColorSlot(c *ui.Context, text string, value *pixel.Slot, o ColorSlotOptions) ColorSlotResult {
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k := pixel.K(c)
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cur := int(*value)
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shell, base, st, _ := pixel.Pad(c, text, 8, pixel.Slots, 12, 12, &cur, o.Disabled)
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res := ColorSlotResult{Element: shell, Changed: pixel.Slot(cur) != *value}
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*value = pixel.Slot(cur)
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base.Description(value.String())
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shell.Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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for i := range pixel.Slots {
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x, y := i%8*12, i/8*12
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if pixel.Slot(i) == *value {
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g.Rect(x, y, 12, 12, pixel.Ink)
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g.Rect(x+1, y+1, 10, 10, pixel.Lit)
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}
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g.Rect(x+2, y+2, 8, 8, pixel.Edge)
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g.Rect(x+3, y+3, 6, 6, pixel.Slot(i))
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}
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g.Finish(st)
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})
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if res.Changed {
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slog.Debug("8bit: color slot", "label", text, "slot", *value)
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}
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return res
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}
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