Orkuncakilkaya
19fcf60599
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>
43 lines
1.3 KiB
Text
43 lines
1.3 KiB
Text
# frame_box.ludic - what a host asks of the interface from outside it: the scale it is drawn at, and
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# where an element was laid out the last time its screen was shown (a 3D view framed beside a panel)
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export property UiBox {
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x: float = 0.0
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y: float = 0.0
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w: float = 0.0
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h: float = 0.0
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}
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# the screen pixels per design pixel: the renderer's scale (render3d's includes ui_render3d_scale)
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export function ui_scale(ui_st: UiState) -> float { return ui_px(ui_st, 1.0) }
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function fb_keep(ui_st: mut UiState, screen: string, root: UiNode) -> void {
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for i in 0 .. len(ui_st.fb_roots) {
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if ui_st.fb_roots[i].key == screen {
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ui_st.fb_roots[i] = root
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return
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}
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}
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push(ui_st.fb_roots, root)
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}
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# the box of the element with that id (or key) on any screen shown, in screen pixels; null if none
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export function ui_box(ui_st: UiState, id: string) -> UiBox {
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for i in 0 .. len(ui_st.fb_roots) {
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let n = fb_find(ui_st.fb_roots[i], id)
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if n != null {
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let b = new UiBox
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b.x = n.x
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b.y = n.y
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b.w = n.cw
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b.h = n.ch
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return b
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}
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}
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return null
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}
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function fb_find(n: UiNode, id: string) -> UiNode {
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if n.id == id or n.key == id { return n }
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if n.children == null { return null }
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for i in 0 .. len(n.children) {
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let f = fb_find(n.children[i], id)
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if f != null { return f }
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}
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return null
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}
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