96 lines
3.0 KiB
Go
96 lines
3.0 KiB
Go
package layout
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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 HandheldOptions struct {
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// ScreenW×ScreenH is the screen in dots; zero means 160×144.
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ScreenW, ScreenH int
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// Brand is micro text on the body.
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Brand string
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Label string
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Disabled bool
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}
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type HandheldResult struct {
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Element *ui.Element
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Up, Down, Left, Right, A, B bool
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}
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const bezel = 8
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// Handheld is a pocket console around screen; buttons report presses.
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func Handheld(c *ui.Context, o HandheldOptions, screen func()) HandheldResult {
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k := pixel.K(c)
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sw, sh := orDef("Handheld ScreenW", o.ScreenW, 160), orDef("Handheld ScreenH", o.ScreenH, 144)
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res := HandheldResult{}
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res.Element = ui.Column(c).Width(k.D(sw + 2*bezel + 40)).Padding(k.D(10)).Gap(k.D(6)).AlignItems(ui.Center).Role(ui.RoleGroup).Label(o.Label).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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box(g, pixel.Raised, pixel.Face)
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g.Micro(10, g.H-9, o.Brand, pixel.Shade, 1)
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}).Children(func() {
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ui.Box(c).Padding(k.D(bezel), k.D(bezel+10), k.D(bezel), k.D(bezel+10)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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box(g, pixel.Sunken, pixel.Shade)
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led := pixel.Good
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if o.Disabled {
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led = pixel.Faint
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}
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g.Rect(5, g.H/2-1, 3, 3, led)
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}).Children(func() {
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ui.Box(c).Size(k.D(sw), k.D(sh)).Children(screen)
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})
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ui.Box(c).Width(k.D(sw + 2*bezel + 20)).Height(k.D(44)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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g.Rect(15, 18, 9, 9, pixel.Edge)
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}).Children(func() {
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pad := func(name string, x, y, w, h int) bool { return key(c, k, name, x, y, w, h, false, o.Disabled) }
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res.Up = pad(k.Msg("up"), 15, 7, 9, 11)
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res.Left = pad(k.Msg("left"), 4, 18, 11, 9)
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res.Right = pad(k.Msg("right"), 24, 18, 11, 9)
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res.Down = pad(k.Msg("down"), 15, 27, 9, 11)
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right := sw + 2*bezel + 20
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res.B = key(c, k, "B", right-44, 18, 15, 15, true, o.Disabled)
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res.A = key(c, k, "A", right-24, 10, 15, 15, true, o.Disabled)
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})
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})
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for name, on := range map[string]bool{"up": res.Up, "down": res.Down, "left": res.Left, "right": res.Right, "a": res.A, "b": res.B} {
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if on {
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slog.Debug("8bit: handheld press", "button", name)
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}
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}
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return res
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}
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// key is a d-pad arm, or a round button.
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func key(c *ui.Context, k pixel.Kit, name string, x, y, w, h int, round, disabled bool) bool {
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shell, base, st := pixel.Shell(c, func() *ui.Element { return ui.ButtonBase(c).Label(name).Disabled(disabled) })
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shell.Absolute().Left(k.D(x)).Top(k.D(y)).Size(k.D(w), k.D(h)).Draw(func(p *ui.Painter, r ui.Rect) {
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g := k.Canvas(p, r)
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dy := 0
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if st.Press {
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dy = 1
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}
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if round {
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g.Disc(w/2, h/2, w/2, pixel.Edge)
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g.Disc(w/2, h/2-1+dy, w/2-1, pixel.Accent)
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g.Micro(w/2-1, h/2-3+dy, name, pixel.AccentInk, 1)
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} else {
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g.Rect(0, dy, g.W, g.H-dy, pixel.Edge)
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g.Rect(1, 1+dy, g.W-2, 1, pixel.Faint)
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}
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if st.Disabled {
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g.Checker(0, 0, g.W, g.H, pixel.Face)
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}
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if st.Focus {
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g.FocusMark(0, 0, g.W, g.H)
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}
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})
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return base.Clicked()
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}
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