org-fold: Optimize fontification of link folds
* lisp/org-fold-core.el (org-fold-core--specs): Add new folding spec - :font-lock. When non-nil, enable re-fontification of the folds. (org-fold-core-region): Only trigger re-fontification when the folding spec has :font-lock property. * lisp/org-fold.el (org-fold-initialize): Only enable re-fontification of folded outlines, drawers, and blocks.
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@ -381,6 +381,9 @@ The following properties are known:
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`buffer-invisibility-spec' will be used as is.
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Note that changing this property from nil to t may
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clear the setting in `buffer-invisibility-spec'.
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- :font-lock :: non-nil means that newlines after the fold should
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be re-fontified upon folding/unfolding. See
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`org-activate-folds'.
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- :alias :: a list of aliases for the SPEC-SYMBOL.
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- :fragile :: Must be a function accepting two arguments.
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Non-nil means that changes in region may cause
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@ -1043,18 +1046,19 @@ If SPEC-OR-ALIAS is omitted and FLAG is nil, unfold everything in the region."
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;; last as per Emacs defaults. This makes :extend faces span
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;; past the ellipsis. See bug#65896. The face properties are
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;; assigned via `org-activate-folds'.
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(when (equal ?\n (char-after from))
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(font-lock-flush from (1+ from)))
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(when (equal ?\n (char-after to))
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(font-lock-flush to (1+ to)))
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(dolist (region (org-fold-core-get-regions :from from :to to :specs spec))
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(when (equal ?\n (char-after (cadr region)))
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(font-lock-flush (cadr region) (1+ (cadr region))))
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;; Re-fontify beginning of the fold - we may
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;; unfold inside an existing fold, with FROM begin a newline
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;; after spliced fold.
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(when (equal ?\n (char-after (car region)))
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(font-lock-flush (car region) (1+ (car region)))))
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(when (or (not spec) (org-fold-core-get-folding-spec-property spec :font-lock))
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(when (equal ?\n (char-after from))
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(font-lock-flush from (1+ from)))
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(when (equal ?\n (char-after to))
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(font-lock-flush to (1+ to)))
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(dolist (region (org-fold-core-get-regions :from from :to to :specs spec))
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(when (equal ?\n (char-after (cadr region)))
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(font-lock-flush (cadr region) (1+ (cadr region))))
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;; Re-fontify beginning of the fold - we may
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;; unfold inside an existing fold, with FROM begin a newline
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;; after spliced fold.
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(when (equal ?\n (char-after (car region)))
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(font-lock-flush (car region) (1+ (car region))))))
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(when (eq org-fold-core-style 'overlays)
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(if org-fold-core--keep-overlays
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(mapc
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@ -1118,9 +1122,10 @@ If SPEC-OR-ALIAS is omitted and FLAG is nil, unfold everything in the region."
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(remove-text-properties from to (list (org-fold-core--property-symbol-get-create spec) nil)))))
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;; Re-calculate trailing faces for all the folds revealed
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;; by unfolding or created by folding.
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(dolist (region (org-fold-core-get-regions :from from :to to :specs spec))
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(when (equal ?\n (char-after (cadr region)))
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(font-lock-flush (cadr region) (1+ (cadr region)))))))))
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(when (or (not spec) (org-fold-core-get-folding-spec-property spec :font-lock))
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(dolist (region (org-fold-core-get-regions :from from :to to :specs spec))
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(when (equal ?\n (char-after (cadr region)))
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(font-lock-flush (cadr region) (1+ (cadr region))))))))))
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(cl-defmacro org-fold-core-regions (regions &key override clean-markers relative)
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"Fold every region in REGIONS list in current buffer.
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@ -255,6 +255,7 @@ Also, see `org-fold-catch-invisible-edits'."
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(:ellipsis . ,ellipsis)
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(:fragile . ,#'org-fold--reveal-outline-maybe)
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(:isearch-open . t)
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(:font-lock . t)
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;; This is needed to make sure that inserting a
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;; new planning line in folded heading is not
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;; revealed. Also, the below combination of :front-sticky and
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@ -267,6 +268,7 @@ Also, see `org-fold-catch-invisible-edits'."
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(:ellipsis . ,ellipsis)
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(:fragile . ,#'org-fold--reveal-drawer-or-block-maybe)
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(:isearch-open . t)
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(:font-lock . t)
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(:front-sticky . t)
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(:alias . ( block center-block comment-block
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dynamic-block example-block export-block
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@ -276,6 +278,7 @@ Also, see `org-fold-catch-invisible-edits'."
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(:ellipsis . ,ellipsis)
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(:fragile . ,#'org-fold--reveal-drawer-or-block-maybe)
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(:isearch-open . t)
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(:font-lock . t)
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(:front-sticky . t)
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(:alias . (drawer property-drawer)))
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,org-link--description-folding-spec
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