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avy.el (avy--update-offset-and-str): Split from avy--overlay-at-full

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* avy.el (avy--update-offset-and-str): New defun.
(avy--overlay-at-full): Update.
This commit is contained in:
Oleh Krehel 2015-10-25 14:17:34 +01:00
parent 2d07a49f7f
commit 13377d92b2
1 changed files with 47 additions and 29 deletions
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76
avy.el
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@ -725,8 +725,7 @@ LEAF is normally ((BEG . END) . WND)."
'face 'avy-lead-face))
(len (length path))
(beg (avy-candidate-beg leaf))
(wnd (cdr leaf))
oov)
(wnd (cdr leaf)))
(dotimes (i len)
(set-text-properties (- len i 1) (- len i)
`(face ,(nth i avy-lead-faces))
@ -740,33 +739,10 @@ LEAF is normally ((BEG . END) . WND)."
(with-selected-window wnd
(save-excursion
(goto-char beg)
(when (setq oov
(delq nil
(mapcar
(lambda (o)
(and (eq (overlay-get o 'category) 'avy)
(eq (overlay-get o 'window) wnd)
(overlay-start o)))
(overlays-in (point) (min (+ (point) len)
(line-end-position))))))
(setq len (- (apply #'min oov) beg))
(setq str (substring str 0 len)))
(let ((other-ov (cl-find-if
(lambda (o)
(and (eq (overlay-get o 'category) 'avy)
(eq (overlay-start o) beg)
(not (eq (overlay-get o 'window) wnd))))
(overlays-in (point) (min (+ (point) len)
(line-end-position))))))
(when (and other-ov
(> (overlay-end other-ov)
(+ beg len)))
(setq str (concat str (buffer-substring
(+ beg len)
(overlay-end other-ov))))
(setq len (- (overlay-end other-ov)
beg))))
(let* ((end (if (= beg (line-end-position))
(let* ((len-and-str (avy--update-offset-and-str len str))
(len (car len-and-str))
(str (cdr len-and-str))
(end (if (= beg (line-end-position))
(1+ beg)
(min (+ beg
(if (eq (char-after) ?\t)
@ -809,6 +785,48 @@ LEAF is normally ((BEG . END) . WND)."
(avy-candidate-end leaf)
(avy-candidate-wnd leaf))))
(defun avy--update-offset-and-str (offset str)
"Recalculate the length of the new overlay at point.
OFFSET is the previous overlay length.
STR is the overlay string that we wish to add.
We want to add an overlay between point and END=point+OFFSET.
When other overlays already exist between point and END, set
OFFSET to be the difference between the start of the first
overlay and point. This is equivalent to truncating our new
overlay, so that it doesn't intersect with overlays that already
exist."
(let* ((wnd (selected-window))
(beg (point))
(oov (delq nil
(mapcar
(lambda (o)
(and (eq (overlay-get o 'category) 'avy)
(eq (overlay-get o 'window) wnd)
(overlay-start o)))
(overlays-in beg (min (+ beg offset)
(line-end-position)))))))
(when oov
(setq offset (- (apply #'min oov) beg))
(setq str (substring str 0 offset)))
(let ((other-ov (cl-find-if
(lambda (o)
(and (eq (overlay-get o 'category) 'avy)
(eq (overlay-start o) beg)
(not (eq (overlay-get o 'window) wnd))))
(overlays-in (point) (min (+ (point) offset)
(line-end-position))))))
(when (and other-ov
(> (overlay-end other-ov)
(+ beg offset)))
(setq str (concat str (buffer-substring
(+ beg offset)
(overlay-end other-ov))))
(setq offset (- (overlay-end other-ov)
beg))))
(cons offset str)))
(defun avy--style-fn (style)
"Transform STYLE symbol to a style function."
(cl-case style