Orkuncakilkaya
0a7525b125
- `popover`: a top layer that keeps the pointer and the keyboard, closed by a press outside or Esc. - `title` tooltips after half a second's rest, styled by .ui-tooltip. - `<progress>` and `<meter>`. - Atlases take rows and number cells, and importing ludic.ui/render3d.ludic is enough to draw with render3d. - The compiler reports two declarations of one name before it type-checks, so a package global clashing with a program's reads as that, not as 29 type errors. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
61 lines
2.2 KiB
Text
61 lines
2.2 KiB
Text
# focus.ludic - the keyboard's place: focus moves through the controls in document order (Tab and
|
|
# Shift+Tab, or the arrows), Enter and Space activate what has it, and a pointer press focuses what
|
|
# it presses. A key that is gone from the screen leaves nothing focused.
|
|
var fc_key: string = ""
|
|
var fc_visible: bool = false # focus came from the keyboard: :focus-visible, and the ring
|
|
var fc_list: []UiNode = new []UiNode
|
|
function fc_collect(n: UiNode) -> void {
|
|
if n.focusable and n.enabled { push(fc_list, n) }
|
|
for i in 0 .. len(n.children) { fc_collect(n.children[i]) }
|
|
}
|
|
function fc_find() -> int {
|
|
for i in 0 .. len(fc_list) {
|
|
if fc_list[i].key == fc_key { return i }
|
|
}
|
|
return -1
|
|
}
|
|
function fc_move(step: int) -> void {
|
|
if len(fc_list) == 0 { return }
|
|
var at = fc_find()
|
|
if at < 0 {
|
|
at = 0
|
|
if step < 0 { at = len(fc_list) - 1 }
|
|
} else { at = (at + step + len(fc_list)) % len(fc_list) }
|
|
fc_key = fc_list[at].key
|
|
fc_visible = true
|
|
}
|
|
# the keys, after the tree is laid out: moving, then acting on what has the focus
|
|
function fc_keys(root: UiNode) -> void {
|
|
fc_list = new []UiNode
|
|
let top = pp_top(root)
|
|
if top != null and in_now.escape { ui_fire(top, "close", Value.null()) }
|
|
if top != null { fc_collect(top) } else { fc_collect(root) }
|
|
let i = in_now
|
|
if fc_find() < 0 { fc_autofocus() }
|
|
let at = fc_find()
|
|
var n: UiNode = null
|
|
if at >= 0 { n = fc_list[at] }
|
|
if i.tab and i.shift { fc_move(-1) } else if i.tab { fc_move(1) }
|
|
let horizontal = n != null and ct_takes_arrows(n)
|
|
if i.up or (i.left and not horizontal) { fc_move(-1) }
|
|
if i.down_key or (i.right and not horizontal) { fc_move(1) }
|
|
if n == null { return }
|
|
if i.enter or (i.space and not ct_takes_space(n)) { ct_activate(n) }
|
|
if horizontal and i.left { ct_step(n, -1) }
|
|
if horizontal and i.right { ct_step(n, 1) }
|
|
ct_typed(n)
|
|
}
|
|
export function ui_focus(key: string) -> void {
|
|
fc_key = key
|
|
fc_visible = false
|
|
}
|
|
# nothing focused (a screen just opened): the control that says autofocus, as HTML's does
|
|
function fc_autofocus() -> void {
|
|
for i in 0 .. len(fc_list) {
|
|
if ui_attr_on(fc_list[i], "autofocus") {
|
|
fc_key = fc_list[i].key
|
|
fc_visible = false
|
|
return
|
|
}
|
|
}
|
|
}
|