53 lines
2.5 KiB
Text
53 lines
2.5 KiB
Text
# node_more.ludic - what only some elements say, kept apart from UiNode so the common node stays
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# small: made the first time a property needs it (nx), and null everywhere else
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# a component user's styles for the root it passed class, style and id down to
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export property UiPass {
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sheet: UiSheet = null # the sheet of the file the component's tag was written in
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style: UiRule = null # the tag's style="..."
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env: UiEnv = null # where the tag's values are read
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}
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export property UiNodeX {
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shrink: float = -1.0 # flex-shrink; -1: a scroll box's 1, anything else's 0 (or 1 in a column)
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order: int = 0 # flex's order
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w_off: float = 0.0 # calc(): the lengths added to a percentage width or height
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h_off: float = 0.0
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mh_min: float = 0.0 # how short a column can be pressed: its scroll boxes give way
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has_min: bool = false
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tsh_set: bool = false # text-shadow, inherited as CSS's is; tsh_c -2 is none
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tsh_x: float = 0.0
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tsh_y: float = 0.0
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tsh_c: int = -2
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tsh_a: float = 1.0
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no_pointer: bool = false # pointer-events: none - the pointer goes through it
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fit_min: float = 0.0 # text-fit: shrink MIN - the smallest a line is shrunk to fit its box
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lh_kind: int = 0 # line-height: 0 normal, 1 a multiple of the font size, 2 px
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lh_v: float = 0.0
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ip_t: float = 0.0 # an inset's percentage of its containing block (top right bottom left)
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ip_r: float = 0.0
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ip_b: float = 0.0
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ip_l: float = 0.0
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grad: UiGradient = null # background: linear-gradient(...)
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ratio: float = 0.0 # aspect-ratio, width over height; 0 none
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fit_obj: int = 0 # object-fit: 0 fill, 1 contain, 2 cover, 3 none, 4 scale-down
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zoom: float = 1.0 # zoom: this element and everything inside it, larger or smaller
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}
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function nx(n: UiNode) -> UiNodeX {
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@alloc_ok("once per pooled node: its extras are kept")
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if n.ex == null { n.ex = new UiNodeX }
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return n.ex
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}
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function ly_woff(n: UiNode) -> float {
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if n.ex == null { return 0.0 }
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return n.ex.w_off
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}
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function ly_hoff(n: UiNode) -> float {
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if n.ex == null { return 0.0 }
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return n.ex.h_off
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}
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# a percentage width or height in `room`, with what calc() added to it
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function ly_pw(n: UiNode, room: float) -> float { return room * n.w_pct / 100.0 + ly_woff(n) }
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function ly_ph(n: UiNode, room: float) -> float { return room * n.h_pct / 100.0 + ly_hoff(n) }
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function ly_order(n: UiNode) -> int {
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if n.ex == null { return 0 }
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return n.ex.order
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}
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