branch: master
commit 02ca7a18b478a3e565985ca577548dd5927fc7a3
Author: Oleh Krehel <ohwoeo...@gmail.com>
Commit: Oleh Krehel <ohwoeo...@gmail.com>
Add anchoring
* ivy.el (ivy-read): Add optional argument INDEX. It's the index of
initally selected entry.
(ivy-completions): Update.
* swiper.el (swiper--ivy): Call `ivy-read' with `line-number-at-pos'.
Fixes #16
---
ivy.el | 34 ++++++++++++++++++++++------------
swiper.el | 3 ++-
2 files changed, 24 insertions(+), 13 deletions(-)
diff --git a/ivy.el b/ivy.el
index b0baea9..73965c8 100644
--- a/ivy.el
+++ b/ivy.el
@@ -108,14 +108,16 @@ On error (read-only), quit without selecting."
(minibuffer-keyboard-quit))))
;;** Entry Point
-(defun ivy-read (prompt collection &optional initial-input update-fn)
+(defun ivy-read (prompt collection &optional initial-input update-fn index)
"Read a string in the minibuffer, with completion.
PROMPT is a string to prompt with; normally it ends in a colon and a space.
COLLECTION is a list of strings.
If INITIAL-INPUT is non-nil, insert it in the minibuffer initially.
-UPDATE-FN is called each time the current candidate(s) is changed."
- (setq ivy--index 0)
+UPDATE-FN is called each time the current candidate(s) is changed.
+If INDEX is non-nil select the corresponding candidate."
+ (setq ivy--index (or index 0))
(setq ivy--old-re nil)
+ (setq ivy--old-cands nil)
(setq ivy-text "")
(setq ivy--all-candidates collection)
(setq ivy--update-fn update-fn)
@@ -242,15 +244,23 @@ NAME is a string of words separated by spaces that is
used to
build a regex.
CANDIDATES is a list of strings."
(let* ((re (ivy--regex name))
- (cands (if (equal re ivy--old-re)
+ (cands (if (and (equal re ivy--old-re)
+ ivy--old-cands)
ivy--old-cands
(setq ivy--old-re re)
- (setq ivy--old-cands
- (ignore-errors
- (cl-remove-if-not
- (lambda (x) (string-match re x))
- candidates))))))
+ (ignore-errors
+ (cl-remove-if-not
+ (lambda (x) (string-match re x))
+ candidates))))
+ (tail (nthcdr ivy--index ivy--old-cands))
+ idx)
(setq ivy--length (length cands))
+ (when (and tail ivy--old-cands)
+ (while (and tail
+ (null (setq idx (cl-position (pop tail) cands
+ :test #'equal)))))
+ (setq ivy--index (or idx 0)))
+ (setq ivy--old-cands cands)
;; should do a re-anchor here
(when (>= ivy--index ivy--length)
(setq ivy--index (1- ivy--length)))
@@ -262,9 +272,9 @@ CANDIDATES is a list of strings."
(cl-subseq cands 0 (min (1- ivy-height) ivy--length)))
(setq cands
(cl-subseq cands
- (- index (/ ivy-height 2))
- (min (+ index (/ ivy-height 2))
- ivy--length)))
+ (- index (/ ivy-height 2))
+ (min (+ index (/ ivy-height 2))
+ ivy--length)))
(setq index (min (/ ivy-height 2)
(1- (length cands)))))
(setq ivy--current (copy-sequence
diff --git a/swiper.el b/swiper.el
index dd1f106..4c22eba 100644
--- a/swiper.el
+++ b/swiper.el
@@ -142,7 +142,8 @@ When non-nil, INITIAL-INPUT is the initial search pattern."
(setq res (ivy-read "pattern: "
(swiper--candidates)
initial-input
- #'swiper--update-input-ivy))
+ #'swiper--update-input-ivy
+ (1- (line-number-at-pos))))
(ido-mode 1)
(swiper--cleanup)
(if (null ivy-exit)
