20 lines
1 KiB
Text
20 lines
1 KiB
Text
# ui_popover_align.ludic — anchored popovers aligned along their side (start, center, end), kept
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# within a named container (within="panel") and, by default, within the scroll box they are in,
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# flipping to the other side against it rather than against the screen.
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import "ludic.ui"
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import "ui_popover_align_parts/Menus.ludic"
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program UiPopoverAlign {
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numbers float
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function at(n: UiNode, base: UiNode) -> string { return `{int(n.x - base.x)},{int(n.y - base.y)}` }
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entry (ui_st: mut UiState) {
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ui_backend(ui_st, new UiBackend)
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ui_show(ui_st, "Menus", null, 0.0, 0.0, 400.0, 400.0)
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let root: UiNode = ui_nodes(ui_st, "Menus", null)
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ui_place(ui_st, root, 0.0, 0.0, 400.0, 400.0)
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let panel = root.children[0].children[0]
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let list = root.children[0].children[1]
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let b = list.children[1]
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let p3 = list.children[2]
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print(`centred, flipped in the panel {at(panel.children[1], panel)} | end below {at(panel.children[2], panel)} | above b in the list {int(p3.y + p3.ch - b.y)} inside {p3.y >= list.y}`)
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}
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}
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