ludic/examples/library/ui_inputs.ludic
Orkuncakilkaya 19fcf60599 wip(0.S3): packages and examples migrated again from their pre-0.S sources in one run
ludic migrate state packages <every example program> packages/ludic.lab/example/plate.ludic
  1804 vars into 126 states, 64 into lets; 23498 edits in 460 files

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-25 15:31:34 +03:00

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3.2 KiB
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# ui_inputs.ludic — more of ludic.ui's controls, driven by the keys: a number field takes typed digits
# (Enter or leaving it commits them, held between min and max) and steps with the arrows; a key field
# listens for the next key (Tab included), Esc stops it listening and Backspace unbinds it; a range
# shows its value as a percentage or with decimals and a unit; a label carries a note; an action may
# call an event named set; and a string prop given a number reads it as text.
import "ludic.ui"
import "ui_inputs_parts/Form.ludic"
import "ui_inputs_parts/Tag.ludic"
program UiInputs {
numbers float
function frame(ui_st: mut UiState, i: UiInput) -> UiNode {
ui_input(ui_st, i)
ui_show(ui_st, "Form", null, 0.0, 0.0, 400.0, 400.0)
let root: UiNode = ui_nodes(ui_st, "Form", null)
ui_place(ui_st, root, 0.0, 0.0, 400.0, 400.0)
return root.children[0]
}
function keys(tab: bool, shift: bool, enter: bool, left: bool) -> UiInput {
let i = new UiInput
i.tab = tab
i.shift = shift
i.enter = enter
i.left = left
if tab { i.key = Key.Tab }
if enter { i.key = Key.Enter }
return i
}
function typed(s: string) -> UiInput {
let i = new UiInput
i.typed = s
return i
}
function shown_state(page: UiNode) -> string { return page.children[len(page.children) - 1].text }
function last(n: UiNode) -> string { return n.children[len(n.children) - 1].text }
entry (ui_st: mut UiState) {
ui_backend(ui_st, new UiBackend)
var page = frame(ui_st, new UiInput)
frame(ui_st, keys(true, false, false, false))
frame(ui_st, typed("12"))
page = frame(ui_st, keys(false, false, true, false))
let shown = page.children[0].children[1].children[0].text
let a = shown_state(page)
frame(ui_st, typed("99"))
page = frame(ui_st, keys(true, false, false, false))
let b = shown_state(page)
frame(ui_st, keys(true, true, false, false))
page = frame(ui_st, keys(false, false, false, true))
let c = shown_state(page)
let note = page.children[0].children[0].children[1].text
frame(ui_st, keys(true, false, false, false))
let space = page.children[1].children[1].children[0].text
frame(ui_st, keys(false, false, true, false))
let cap = ui_capturing(ui_st)
page = frame(ui_st, keys(true, false, false, false))
let d = shown_state(page)
frame(ui_st, keys(false, false, true, false))
let esc = new UiInput
esc.escape = true
esc.key = Key.Escape
page = frame(ui_st, esc)
let e = shown_state(page)
let back = new UiInput
back.backspace = true
page = frame(ui_st, back)
let f = shown_state(page)
frame(ui_st, keys(true, false, false, false))
let right = new UiInput
right.right = true
page = frame(ui_st, right)
page = frame(ui_st, new UiInput)
let button = page.children[4]
let click = new UiInput
click.x = button.x + 2.0
click.y = button.y + 2.0
click.down = true
frame(ui_st, click)
let up = new UiInput
up.x = click.x
up.y = click.y
page = frame(ui_st, up)
print(`count {shown} {a} | {b} | {c} | {note} | {space} listening {cap} {d} | {e} | {f} | {last(page.children[2])} {last(page.children[3])} | {shown_state(page)} | {page.children[5].text}`)
}
}