79f5bc23d1
Normalize size units and intrinsic sizing across Elisp and native layout. Add help, pointer, hover-style and keymap support with reusable interaction adapters. Keep content updates local, preserve scroll caches and hover borders, and avoid rebuilding retained plans and ownership metadata for stable geometry. Validation: make check and native-rust-tests passed; targeted native interaction and scroll publication regressions passed.
112 lines
4.3 KiB
EmacsLisp
112 lines
4.3 KiB
EmacsLisp
;;; ebox-node-factory.el --- Runtime box node factory -*- lexical-binding: t; -*-
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;;; Commentary:
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;; Owns private runtime box storage used by render/layout modules. Higher
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;; programmatic constructors may lower through this factory, but author source
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;; facts, DSL parsing, and buffer publication do not belong here.
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;;; Code:
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(require 'ebox-style)
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(defconst ebox--longhand
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'(:content ""
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:box-sizing border-box
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:width nil :min-width auto :max-width nil
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:height nil :min-height auto :max-height nil
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:padding-left-pixel 0 :padding-right-pixel 0
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:padding-top-height 0 :padding-bottom-height 0
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:margin-left-pixel 0 :margin-right-pixel 0
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:margin-top-height 0 :margin-bottom-height 0
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:border-left-pixel 0 :border-left-style none :border-left-color nil
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:border-right-pixel 0 :border-right-style none :border-right-color nil
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:border-top-pixel 0 :border-top-style none :border-top-color nil
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:border-bottom-pixel 0 :border-bottom-style none :border-bottom-color nil
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:color nil :bgcolor nil
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:text-decoration-line none :text-decoration-color currentColor
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:text-decoration-style solid
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:text-align left :vertical-align top
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:overflow scroll :visibility visible
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:wrap-mode word :scroll-offset 0)
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"Default longhand fields for the current runtime box encoding.")
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(defconst ebox-node-factory--style-projection-keys
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(let ((fields ebox--longhand)
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keys)
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(while fields
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(let ((key (pop fields)))
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(pop fields)
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(unless (memq key '(:content :scroll-offset))
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(push key keys))))
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(nreverse keys))
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"Private runtime fields materialized from canonical style facts.
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These fields are projections, never declarative source authority. Content and
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scroll offset remain outside this set because their lifecycle is not owned by
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style projection.")
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(defconst ebox-node-factory--text-longhand
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'(:content ""
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:overflow visible
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:wrap-mode word)
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"Minimal runtime fields owned by canonical Text.")
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(defconst ebox-node-factory--box-longhand
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'(:content ""
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:box-sizing border-box
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:min-width auto :min-height auto
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:padding-left-pixel 0 :padding-right-pixel 0
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:padding-top-height 0 :padding-bottom-height 0
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:margin-left-pixel 0 :margin-right-pixel 0
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:margin-top-height 0 :margin-bottom-height 0
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:border-left-pixel 0 :border-left-style none
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:border-right-pixel 0 :border-right-style none
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:border-top-pixel 0 :border-top-style none
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:border-bottom-pixel 0 :border-bottom-style none
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:text-align left :vertical-align top
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:overflow scroll :visibility visible
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:wrap-mode word :scroll-offset 0)
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"Runtime-required defaults owned by canonical Box.
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Nil paint and optional sizing fields remain sparse. Numeric frame insets are
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materialized because every layout algorithm consumes them as definite values;
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leaving them absent would make the canonical node violate the Box contract.")
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(defun ebox--longhand-create (&optional plist)
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"Return a runtime box field plist overridden by PLIST."
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(let ((box (copy-sequence ebox--longhand)))
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(while plist
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(let ((key (pop plist))
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(value (pop plist)))
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(plist-put box key value)))
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box))
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(defun ebox-node-factory--create-expanded (expanded)
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"Create one runtime box from EXPANDED engine facts."
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(let ((controlled-scroll-offset-p
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(plist-member expanded :scroll-offset)))
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(let ((box (copy-sequence ebox-node-factory--box-longhand)))
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(cl-loop for (property value) on expanded by #'cddr
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do (plist-put box property value))
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(plist-put box :ebox-type 'box)
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(plist-put box :display '(block flow))
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(when controlled-scroll-offset-p
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(plist-put box :ebox-scroll-offset-controlled-p t))
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box)))
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(defun ebox-node-factory--create-text-expanded (expanded)
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"Create canonical Text storage from EXPANDED facts."
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(let ((node (copy-sequence ebox-node-factory--text-longhand)))
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(cl-loop for (property value) on expanded by #'cddr
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do (plist-put node property value))
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(plist-put node :ebox-type 'box)
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(plist-put node :display '(inline flow))
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node))
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(defun ebox-node-factory--create-from-properties (&rest plist)
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"Create one private runtime box from evaluated engine PLIST."
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(ebox-node-factory--create-expanded
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(ebox-style--expand-engine-plist plist)))
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(provide 'ebox-node-factory)
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;;; ebox-node-factory.el ends here
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