]> code.delx.au - gnu-emacs-elpa/blobdiff - ivy.el
Make the minibuffer faces look nicer
[gnu-emacs-elpa] / ivy.el
diff --git a/ivy.el b/ivy.el
index 40e83301fce5eec7382347c92d98d35abd8d823b..fd3543aeddb8d0c18b726665773747a5fef92bd9 100644 (file)
--- a/ivy.el
+++ b/ivy.el
   :group 'convenience)
 
 (defface ivy-current-match
-  '((t (:inherit highlight)))
+  '((((class color) (background light))
+     :background "#1a4b77" :foreground "white")
+    (((class color) (background dark))
+     :background "#65a7e2" :foreground "black"))
   "Face used by Ivy for highlighting first match.")
 
 (defface ivy-confirm-face
 
 (defcustom ivy-count-format "%-4d "
   "The style of showing the current candidate count for `ivy-read'.
-Set this to nil if you don't want the count."
-  :type 'string)
+Set this to nil if you don't want the count.  You can also set it
+to e.g. \"(%d/%d) \" if you want to see both the candidate index
+and the candidate count."
+  :type '(choice (const :tag "Count disabled" nil) string))
 
 (defcustom ivy-wrap nil
   "Whether to wrap around after the first and last candidate."
   :type 'boolean)
 
+(defcustom ivy-display-style nil
+  "The style for formatting the minibuffer.
+
+By default, the matched strings will be copied as they are.
+
+With the fancy method, the matching parts of the regexp will be
+additionally highlighted, just like `swiper' does it."
+  :type '(choice
+          (const :tag "Plain" nil)
+          (const :tag "Fancy" fancy)))
+
 (defcustom ivy-on-del-error-function 'minibuffer-keyboard-quit
   "The handler for when `ivy-backward-delete-char' throws.
 This is usually meant as a quick exit out of the minibuffer."
@@ -90,19 +106,29 @@ Only \"./\" and \"../\" apply here. They appear in reverse order."
   "When non-nil, add `recentf-mode' and bookmarks to the list of buffers."
   :type 'boolean)
 
+(defvar ivy--actions-list nil
+  "A list of extra actions per command.")
+
+(defun ivy-set-actions (cmd actions)
+  "Set CMD extra exit points to ACTIONS."
+  (setq ivy--actions-list
+        (plist-put ivy--actions-list cmd actions)))
+
 ;;* Keymap
 (require 'delsel)
 (defvar ivy-minibuffer-map
   (let ((map (make-sparse-keymap)))
     (define-key map (kbd "C-m") 'ivy-done)
+    (define-key map (kbd "C-M-m") 'ivy-call)
     (define-key map (kbd "C-j") 'ivy-alt-done)
+    (define-key map (kbd "C-M-j") 'ivy-immediate-done)
     (define-key map (kbd "TAB") 'ivy-partial-or-done)
     (define-key map (kbd "C-n") 'ivy-next-line)
     (define-key map (kbd "C-p") 'ivy-previous-line)
     (define-key map (kbd "<down>") 'ivy-next-line)
     (define-key map (kbd "<up>") 'ivy-previous-line)
     (define-key map (kbd "C-s") 'ivy-next-line-or-history)
-    (define-key map (kbd "C-r") 'ivy-previous-line-or-history)
+    (define-key map (kbd "C-r") 'ivy-reverse-i-search)
     (define-key map (kbd "SPC") 'self-insert-command)
     (define-key map (kbd "DEL") 'ivy-backward-delete-char)
     (define-key map (kbd "M-DEL") 'ivy-backward-kill-word)
@@ -121,8 +147,16 @@ Only \"./\" and \"../\" apply here. They appear in reverse order."
     (define-key map (kbd "C-M-n") 'ivy-next-line-and-call)
     (define-key map (kbd "C-M-p") 'ivy-previous-line-and-call)
     (define-key map (kbd "M-q") 'ivy-toggle-regexp-quote)
+    (define-key map (kbd "M-j") 'ivy-yank-word)
+    (define-key map (kbd "M-i") 'ivy-insert-current)
+    (define-key map (kbd "C-o") 'hydra-ivy/body)
+    (define-key map (kbd "M-o") 'ivy-dispatching-done)
+    (define-key map (kbd "C-k") 'ivy-kill-line)
+    (define-key map (kbd "S-SPC") 'ivy-restrict-to-matches)
+    (define-key map (kbd "M-w") 'ivy-kill-ring-save)
     map)
   "Keymap used in the minibuffer.")
+(autoload 'hydra-ivy/body "ivy-hydra" "" t)
 
 (defvar ivy-mode-map
   (let ((map (make-sparse-keymap)))
@@ -218,13 +252,20 @@ When non-nil, it should contain one %d.")
                     ,@body))
      (minibuffer-keyboard-quit)))
 
+(defmacro with-ivy-window (&rest body)
+  "Execute BODY in the window from which `ivy-read' was called."
+  (declare (indent 0)
+           (debug t))
+  `(with-selected-window (ivy-state-window ivy-last)
+     ,@body))
+
 (defun ivy--done (text)
   "Insert TEXT and exit minibuffer."
   (if (and ivy--directory
            (not (eq (ivy-state-history ivy-last) 'grep-files-history)))
-      (insert (expand-file-name
-                 text ivy--directory))
-    (insert text))
+      (insert (setq ivy--current (expand-file-name
+                                  text ivy--directory)))
+    (insert (setq ivy--current text)))
   (setq ivy-exit 'done)
   (exit-minibuffer))
 
@@ -251,6 +292,34 @@ When non-nil, it should contain one %d.")
          (insert ivy-text)
          (ivy--exhibit))))
 
+(defun ivy-dispatching-done ()
+  "Select one of the available actions and call `ivy-done'."
+  (interactive)
+  (let ((actions (ivy-state-action ivy-last)))
+    (if (null (ivy--actionp actions))
+        (ivy-done)
+      (let* ((hint (concat ivy--current
+                           "\n"
+                           (mapconcat
+                            (lambda (x)
+                              (format "%s: %s"
+                                      (propertize
+                                       (car x)
+                                       'face 'font-lock-builtin-face)
+                                      (nth 2 x)))
+                            (cdr actions)
+                            "\n")
+                           "\n"))
+             (key (string (read-key hint)))
+             (action (assoc key (cdr actions))))
+        (cond ((string= key "\a"))
+              ((null action)
+               (error "%s is not bound" key))
+              (t
+               (message "")
+               (ivy-set-action (nth 1 action))
+               (ivy-done)))))))
+
 (defun ivy-build-tramp-name (x)
   "Reconstruct X into a path.
 Is is a cons cell, related to `tramp-get-completion-function'."
@@ -261,52 +330,65 @@ Is is a cons cell, related to `tramp-get-completion-function'."
       domain)))
 
 (declare-function tramp-get-completion-function "tramp")
+(declare-function Info-find-node "info")
 
 (defun ivy-alt-done (&optional arg)
   "Exit the minibuffer with the selected candidate.
 When ARG is t, exit with current text, ignoring the candidates."
   (interactive "P")
-  (if arg
-      (ivy-immediate-done)
-    (let (dir)
-      (cond ((and ivy--directory
-                  (or
-                   (and
-                    (not (string= ivy--current "./"))
-                    (cl-plusp ivy--length)
-                    (file-directory-p
-                     (setq dir (expand-file-name
-                                ivy--current ivy--directory))))))
-             (ivy--cd dir)
-             (ivy--exhibit))
-            ((eq (ivy-state-collection ivy-last) 'Info-read-node-name-1)
-             (if (or (equal ivy--current "(./)")
-                     (equal ivy--current "(../)"))
-                 (ivy-quit-and-run
-                  (ivy-read "Go to file: " 'read-file-name-internal
-                            :action (lambda (x)
-                                      (Info-find-node
-                                       (expand-file-name x ivy--directory)
-                                       "Top"))))
-               (ivy-done)))
-            ((string-match "\\`/\\([^/]+?\\):\\(?:\\(.*\\)@\\)?" ivy-text)
-             (let ((method (match-string 1 ivy-text))
-                   (user (match-string 2 ivy-text))
-                   res)
-               (dolist (x (tramp-get-completion-function method))
-                 (setq res (append res (funcall (car x) (cadr x)))))
-               (setq res (delq nil res))
-               (when user
-                 (dolist (x res)
-                   (setcar x user)))
-               (setq res (cl-delete-duplicates res :test #'equal))
-               (let ((host (ivy-read "Find File: "
-                                     (mapcar #'ivy-build-tramp-name res))))
-                 (when host
-                   (setq ivy--directory "/")
-                   (ivy--cd (concat "/" method ":" host ":"))))))
-            (t
-             (ivy-done))))))
+  (let (dir)
+    (cond (arg
+           (ivy-immediate-done))
+          ((and ivy--directory
+                (or
+                 (and
+                  (not (string= ivy--current "./"))
+                  (cl-plusp ivy--length)
+                  (file-directory-p
+                   (setq dir (expand-file-name
+                              ivy--current ivy--directory))))))
+           (ivy--cd dir)
+           (ivy--exhibit))
+          ((eq (ivy-state-collection ivy-last) 'Info-read-node-name-1)
+           (if (or (equal ivy--current "(./)")
+                   (equal ivy--current "(../)"))
+               (ivy-quit-and-run
+                (ivy-read "Go to file: " 'read-file-name-internal
+                          :action (lambda (x)
+                                    (Info-find-node
+                                     (expand-file-name x ivy--directory)
+                                     "Top"))))
+             (ivy-done)))
+          ((and ivy--directory
+                (string-match "\\`/[^/]+:.*:.*\\'" ivy-text))
+           (ivy-done))
+          ((and ivy--directory
+                (string-match
+                 "\\`/\\([^/]+?\\):\\(?:\\(.*\\)@\\)?\\(.*\\)\\'"
+                 ivy-text))
+           (let ((method (match-string 1 ivy-text))
+                 (user (match-string 2 ivy-text))
+                 (rest (match-string 3 ivy-text))
+                 res)
+             (require 'tramp)
+             (dolist (x (tramp-get-completion-function method))
+               (setq res (append res (funcall (car x) (cadr x)))))
+             (setq res (delq nil res))
+             (when user
+               (dolist (x res)
+                 (setcar x user)))
+             (setq res (cl-delete-duplicates res :test #'equal))
+             (let* ((old-ivy-last ivy-last)
+                    (enable-recursive-minibuffers t)
+                    (host (ivy-read "Find File: "
+                                    (mapcar #'ivy-build-tramp-name res)
+                                    :initial-input rest)))
+               (setq ivy-last old-ivy-last)
+               (when host
+                 (setq ivy--directory "/")
+                 (ivy--cd (concat "/" method ":" host ":"))))))
+          (t
+           (ivy-done)))))
 
 (defcustom ivy-tab-space nil
   "When non-nil, `ivy-partial-or-done' should insert a space."
@@ -335,14 +417,20 @@ If the text hasn't changed as a result, forward to `ivy-alt-done'."
   (let* ((parts (or (split-string ivy-text " " t) (list "")))
          (postfix (car (last parts)))
          (completion-ignore-case t)
-         (new (try-completion postfix
+         (startp (string-match "^\\^" postfix))
+         (new (try-completion (if startp
+                                  (substring postfix 1)
+                                postfix)
                               (mapcar (lambda (str) (substring str (string-match postfix str)))
                                       ivy--old-cands))))
     (cond ((eq new t) nil)
           ((string= new ivy-text) nil)
           (new
            (delete-region (minibuffer-prompt-end) (point-max))
-           (setcar (last parts) new)
+           (setcar (last parts)
+                   (if startp
+                       (concat "^" new)
+                     new))
            (insert (mapconcat #'identity parts " ")
                    (if ivy-tab-space " " ""))
            t))))
@@ -365,7 +453,9 @@ If the text hasn't changed as a result, forward to `ivy-alt-done'."
    :require-match (ivy-state-require-match ivy-last)
    :initial-input ivy-text
    :history (ivy-state-history ivy-last)
-   :preselect (regexp-quote ivy--current)
+   :preselect (unless (eq (ivy-state-collection ivy-last)
+                          'read-file-name-internal)
+                (regexp-quote ivy--current))
    :keymap (ivy-state-keymap ivy-last)
    :update-fn (ivy-state-update-fn ivy-last)
    :sort (ivy-state-sort ivy-last)
@@ -375,37 +465,61 @@ If the text hasn't changed as a result, forward to `ivy-alt-done'."
    :matcher (ivy-state-matcher ivy-last)
    :dynamic-collection (ivy-state-dynamic-collection ivy-last)))
 
+(defvar ivy-calling nil
+  "When non-nil, call the current action when `ivy--index' changes.")
+
+(defun ivy-set-index (index)
+  "Set `ivy--index' to INDEX."
+  (setq ivy--index index)
+  (when ivy-calling
+    (ivy--exhibit)
+    (ivy-call)))
+
 (defun ivy-beginning-of-buffer ()
   "Select the first completion candidate."
   (interactive)
-  (setq ivy--index 0))
+  (ivy-set-index 0))
 
 (defun ivy-end-of-buffer ()
   "Select the last completion candidate."
   (interactive)
-  (setq ivy--index (1- ivy--length)))
+  (ivy-set-index (1- ivy--length)))
 
 (defun ivy-scroll-up-command ()
   "Scroll the candidates upward by the minibuffer height."
   (interactive)
-  (setq ivy--index (min (+ ivy--index ivy-height)
-                        (1- ivy--length))))
+  (ivy-set-index (min (+ ivy--index ivy-height)
+                      (1- ivy--length))))
 
 (defun ivy-scroll-down-command ()
   "Scroll the candidates downward by the minibuffer height."
   (interactive)
-  (setq ivy--index (max (- ivy--index ivy-height)
-                        0)))
+  (ivy-set-index (max (- ivy--index ivy-height)
+                      0)))
+(defun ivy-minibuffer-grow ()
+  "Grow the minibuffer window by 1 line."
+  (interactive)
+  (setq-local max-mini-window-height
+              (cl-incf ivy-height)))
+
+(defun ivy-minibuffer-shrink ()
+  "Shrink the minibuffer window by 1 line."
+  (interactive)
+  (unless (<= ivy-height 2)
+    (setq-local max-mini-window-height
+                (cl-decf ivy-height))
+    (window-resize (selected-window) -1)))
 
 (defun ivy-next-line (&optional arg)
   "Move cursor vertically down ARG candidates."
   (interactive "p")
   (setq arg (or arg 1))
-  (cl-incf ivy--index arg)
-  (when (> ivy--index (1- ivy--length))
-    (if ivy-wrap
-        (ivy-beginning-of-buffer)
-      (setq ivy--index (1- ivy--length)))))
+  (let ((index (+ ivy--index arg)))
+    (if (> index (1- ivy--length))
+        (if ivy-wrap
+            (ivy-beginning-of-buffer)
+          (ivy-set-index (1- ivy--length)))
+      (ivy-set-index index))))
 
 (defun ivy-next-line-or-history (&optional arg)
   "Move cursor vertically down ARG candidates.
@@ -419,11 +533,12 @@ If the input is empty, select the previous history element instead."
   "Move cursor vertically up ARG candidates."
   (interactive "p")
   (setq arg (or arg 1))
-  (cl-decf ivy--index arg)
-  (when (< ivy--index 0)
-    (if ivy-wrap
-        (ivy-end-of-buffer)
-      (setq ivy--index 0))))
+  (let ((index (- ivy--index arg)))
+    (if (< index 0)
+        (if ivy-wrap
+            (ivy-end-of-buffer)
+          (ivy-set-index 0))
+      (ivy-set-index index))))
 
 (defun ivy-previous-line-or-history (arg)
   "Move cursor vertically up ARG candidates.
@@ -433,15 +548,71 @@ If the input is empty, select the previous history element instead."
     (ivy-previous-history-element 1))
   (ivy-previous-line arg))
 
+(defun ivy-toggle-calling ()
+  "Flip `ivy-calling'."
+  (interactive)
+  (when (setq ivy-calling (not ivy-calling))
+    (ivy-call)))
+
+(defun ivy--get-action (state)
+  "Get the action function from STATE."
+  (let ((action (ivy-state-action state)))
+    (when action
+      (if (functionp action)
+          action
+        (cadr (nth (car action) action))))))
+
+(defun ivy--actionp (x)
+  "Return non-nil when X is a list of actions."
+  (and x (listp x) (not (eq (car x) 'closure))))
+
+(defun ivy-next-action ()
+  "When the current action is a list, scroll it forwards."
+  (interactive)
+  (let ((action (ivy-state-action ivy-last)))
+    (when (ivy--actionp action)
+      (unless (>= (car action) (1- (length action)))
+        (cl-incf (car action))))))
+
+(defun ivy-prev-action ()
+  "When the current action is a list, scroll it backwards."
+  (interactive)
+  (let ((action (ivy-state-action ivy-last)))
+    (when (ivy--actionp action)
+      (unless (<= (car action) 1)
+        (cl-decf (car action))))))
+
+(defun ivy-action-name ()
+  "Return the name associated with the current action."
+  (let ((action (ivy-state-action ivy-last)))
+    (if (ivy--actionp action)
+        (format "[%d/%d] %s"
+                (car action)
+                (1- (length action))
+                (nth 2 (nth (car action) action)))
+      "[1/1] default")))
+
+(defun ivy-call ()
+  "Call the current action without exiting completion."
+  (interactive)
+  (let ((action (ivy--get-action ivy-last)))
+    (when action
+      (let* ((collection (ivy-state-collection ivy-last))
+             (x (if (and (consp collection)
+                         (consp (car collection)))
+                    (cdr (assoc ivy--current collection))
+                  (if (equal ivy--current "")
+                      ivy-text
+                    ivy--current))))
+        (funcall action x)))))
+
 (defun ivy-next-line-and-call (&optional arg)
   "Move cursor vertically down ARG candidates.
 Call the permanent action if possible."
   (interactive "p")
   (ivy-next-line arg)
   (ivy--exhibit)
-  (when (ivy-state-action ivy-last)
-    (with-selected-window (ivy-state-window ivy-last)
-      (funcall (ivy-state-action ivy-last) ivy--current))))
+  (ivy-call))
 
 (defun ivy-previous-line-and-call (&optional arg)
   "Move cursor vertically down ARG candidates.
@@ -449,14 +620,13 @@ Call the permanent action if possible."
   (interactive "p")
   (ivy-previous-line arg)
   (ivy--exhibit)
-  (when (ivy-state-action ivy-last)
-    (with-selected-window (ivy-state-window ivy-last)
-      (funcall (ivy-state-action ivy-last) ivy--current))))
+  (ivy-call))
 
 (defun ivy-previous-history-element (arg)
   "Forward to `previous-history-element' with ARG."
   (interactive "p")
   (previous-history-element arg)
+  (ivy--cd-maybe)
   (move-end-of-line 1)
   (ivy--maybe-scroll-history))
 
@@ -464,9 +634,24 @@ Call the permanent action if possible."
   "Forward to `next-history-element' with ARG."
   (interactive "p")
   (next-history-element arg)
+  (ivy--cd-maybe)
   (move-end-of-line 1)
   (ivy--maybe-scroll-history))
 
+(defun ivy--cd-maybe ()
+  "Check if the current input points to a different directory.
+If so, move to that directory, while keeping only the file name."
+  (when ivy--directory
+    (let* ((input (expand-file-name (ivy--input)))
+           (file (file-name-nondirectory input))
+           (dir (expand-file-name (file-name-directory input))))
+      (if (string= dir ivy--directory)
+          (progn
+            (delete-minibuffer-contents)
+            (insert file))
+        (ivy--cd dir)
+        (insert file)))))
+
 (defun ivy--maybe-scroll-history ()
   "If the selected history element has an index, scroll there."
   (let ((idx (ignore-errors
@@ -524,6 +709,13 @@ On error (read-only), call `ivy-on-del-error-function'."
   (unless (= (point) (line-end-position))
     (kill-word arg)))
 
+(defun ivy-kill-line ()
+  "Forward to `kill-line'."
+  (interactive)
+  (if (eolp)
+      (kill-region (minibuffer-prompt-end) (point))
+    (kill-line)))
+
 (defun ivy-backward-kill-word ()
   "Forward to `backward-kill-word'."
   (interactive)
@@ -535,7 +727,9 @@ On error (read-only), call `ivy-on-del-error-function'."
                     ivy--directory))))
         (ivy--exhibit))
     (ignore-errors
-      (backward-kill-word 1))))
+      (let ((pt (point)))
+        (forward-word -1)
+        (delete-region (point) pt)))))
 
 (defvar ivy--regexp-quote 'regexp-quote
   "Store the regexp quoting state.")
@@ -561,9 +755,16 @@ Prioritize directories."
   '((read-file-name-internal . ivy-sort-file-function-default)
     (internal-complete-buffer . nil)
     (counsel-git-grep-function . nil)
+    (Man-goto-section . nil)
+    (org-refile . nil)
     (t . string-lessp))
   "An alist of sorting functions for each collection function.
-For each entry, nil means no sorting.
+Interactive functions that call completion fit in here as well.
+
+For each entry, nil means no sorting.  It's very useful to turn
+off the sorting for functions that have candidates in the natural
+buffer order, like `org-refile' or `Man-goto-section'.
+
 The entry associated to t is used for all fall-through cases.")
 
 (defvar ivy-re-builders-alist
@@ -582,6 +783,17 @@ The matches will be filtered in a sequence, you can mix the
 regexps that should match and that should not match as you
 like.")
 
+(defvar ivy-initial-inputs-alist
+  '((org-refile . "^")
+    (org-agenda-refile . "^")
+    (org-capture-refile . "^")
+    (counsel-M-x . "^")
+    (counsel-describe-function . "^")
+    (counsel-describe-variable . "^")
+    (man . "^")
+    (woman . "^"))
+  "Command to initial input table.")
+
 (defcustom ivy-sort-max-size 30000
   "Sorting won't be done for collections larger than this."
   :type 'integer)
@@ -616,7 +828,8 @@ Directories come first."
 
 PROMPT is a string to prompt with; normally it ends in a colon
 and a space.  When PROMPT contains %d, it will be updated with
-the current number of matching candidates.
+the current number of matching candidates.  If % appears elsewhere
+in the PROMPT it should be quoted as %%.
 See also `ivy-count-format'.
 
 COLLECTION is a list of strings.
@@ -643,6 +856,14 @@ MATCHER can completely override matching.
 
 DYNAMIC-COLLECTION is a function to call to update the list of
 candidates with each input."
+  (let ((extra-actions (plist-get ivy--actions-list this-command)))
+    (when extra-actions
+      (setq action
+            (if (functionp action)
+                `(1
+                  ("o" ,action "default")
+                  ,@extra-actions)
+              (delete-dups (append action extra-actions))))))
   (setq ivy-last
         (make-ivy-state
          :prompt prompt
@@ -661,106 +882,153 @@ candidates with each input."
          :re-builder re-builder
          :matcher matcher
          :dynamic-collection dynamic-collection))
-  (setq ivy--directory nil)
-  (setq ivy--regex-function
-        (or re-builder
-            (and (functionp collection)
-                 (cdr (assoc collection ivy-re-builders-alist)))
-            (cdr (assoc t ivy-re-builders-alist))
-            'ivy--regex))
-  (setq ivy--subexps 0)
-  (setq ivy--regexp-quote 'regexp-quote)
-  (setq ivy--old-text "")
-  (setq ivy-text "")
-  (let (coll sort-fn)
-    (cond ((eq collection 'Info-read-node-name-1)
-           (if (equal Info-current-file "dir")
-               (setq coll
-                     (mapcar (lambda (x) (format "(%s)" x))
-                             (cl-delete-duplicates
-                              (all-completions "(" collection predicate)
-                              :test #'equal)))
-             (setq coll (all-completions "" collection predicate))))
-          ((eq collection 'read-file-name-internal)
-           (setq ivy--directory default-directory)
-           (require 'dired)
-           (setq coll
-                 (ivy--sorted-files default-directory))
-           (when initial-input
-             (unless (or require-match
-                         (equal initial-input default-directory))
-               (setq coll (cons initial-input coll)))
-             (setq initial-input nil)))
-          ((eq collection 'internal-complete-buffer)
-           (setq coll (ivy--buffer-list "" ivy-use-virtual-buffers)))
-          ((or (functionp collection)
-               (vectorp collection)
-               (listp (car collection)))
-           (setq coll (all-completions "" collection predicate)))
-          ((hash-table-p collection)
-           (error "Hash table as a collection unsupported"))
-          (t
-           (setq coll collection)))
-    (when sort
-      (if (and (functionp collection)
-               (setq sort-fn (assoc collection ivy-sort-functions-alist)))
-          (when (and (setq sort-fn (cdr sort-fn))
-                     (not (eq collection 'read-file-name-internal)))
-            (setq coll (cl-sort coll sort-fn)))
-        (unless (eq history 'org-refile-history)
-          (if (and (setq sort-fn (cdr (assoc t ivy-sort-functions-alist)))
-                   (<= (length coll) ivy-sort-max-size))
-              (setq coll (cl-sort (copy-sequence coll) sort-fn))))))
-    (when preselect
-      (unless (or require-match
-                  (let ((re (format "\\`%s" preselect)))
-                    (cl-find-if (lambda (x) (string-match re x))
-                                coll)))
-        (setq coll (cons preselect coll))))
-    (setq ivy--index (or
-                      (and dynamic-collection
-                           ivy--index)
-                      (and preselect
-                           (ivy--preselect-index
-                            coll initial-input preselect))
-                      0))
-    (setq ivy--old-re nil)
-    (setq ivy--old-cands nil)
-    (setq ivy--all-candidates coll)
+  (ivy--reset-state ivy-last)
+  (prog1
+      (unwind-protect
+           (minibuffer-with-setup-hook
+               #'ivy--minibuffer-setup
+             (let* ((hist (or history 'ivy-history))
+                    (minibuffer-completion-table collection)
+                    (minibuffer-completion-predicate predicate)
+                    (res (read-from-minibuffer
+                          prompt
+                          (ivy-state-initial-input ivy-last)
+                          (make-composed-keymap keymap ivy-minibuffer-map)
+                          nil
+                          hist)))
+               (when (eq ivy-exit 'done)
+                 (let ((item (if ivy--directory
+                                 ivy--current
+                               ivy-text)))
+                   (unless (equal item "")
+                     (set hist (cons (propertize item 'ivy-index ivy--index)
+                                     (delete item
+                                             (cdr (symbol-value hist)))))))
+                 res)))
+        (remove-hook 'post-command-hook #'ivy--exhibit)
+        (when (setq unwind (ivy-state-unwind ivy-last))
+          (funcall unwind)))
+    (ivy-call)))
+
+(defun ivy--reset-state (state)
+  "Reset the ivy to STATE.
+This is useful for recursive `ivy-read'."
+  (let ((prompt (ivy-state-prompt state))
+        (collection (ivy-state-collection state))
+        (predicate (ivy-state-predicate state))
+        (history (ivy-state-history state))
+        (preselect (ivy-state-preselect state))
+        (sort (ivy-state-sort state))
+        (re-builder (ivy-state-re-builder state))
+        (dynamic-collection (ivy-state-dynamic-collection state))
+        (initial-input (ivy-state-initial-input state))
+        (require-match (ivy-state-require-match state))
+        (matcher (ivy-state-matcher state)))
+    (unless initial-input
+      (setq initial-input (cdr (assoc this-command
+                                      ivy-initial-inputs-alist))))
+    (setq ivy--directory nil)
+    (setq ivy--regex-function
+          (or re-builder
+              (and (functionp collection)
+                   (cdr (assoc collection ivy-re-builders-alist)))
+              (cdr (assoc t ivy-re-builders-alist))
+              'ivy--regex))
+    (setq ivy--subexps 0)
+    (setq ivy--regexp-quote 'regexp-quote)
+    (setq ivy--old-text "")
+    (setq ivy--full-length nil)
+    (setq ivy-text "")
+    (setq ivy-calling nil)
+    (let (coll sort-fn)
+      (cond ((eq collection 'Info-read-node-name-1)
+             (if (equal Info-current-file "dir")
+                 (setq coll
+                       (mapcar (lambda (x) (format "(%s)" x))
+                               (cl-delete-duplicates
+                                (all-completions "(" collection predicate)
+                                :test #'equal)))
+               (setq coll (all-completions "" collection predicate))))
+            ((eq collection 'read-file-name-internal)
+             (setq ivy--directory default-directory)
+             (require 'dired)
+             (when preselect
+               (let ((preselect-directory (file-name-directory preselect)))
+                 (unless (or (null preselect-directory)
+                             (string= preselect-directory
+                                      default-directory))
+                   (setq ivy--directory preselect-directory))
+                 (setq preselect (file-name-nondirectory preselect))))
+             (setq coll (ivy--sorted-files ivy--directory))
+             (when initial-input
+               (unless (or require-match
+                           (equal initial-input default-directory)
+                           (equal initial-input ""))
+                 (setq coll (cons initial-input coll)))
+               (setq initial-input nil)))
+            ((eq collection 'internal-complete-buffer)
+             (setq coll (ivy--buffer-list "" ivy-use-virtual-buffers)))
+            ((or (functionp collection)
+                 (byte-code-function-p collection)
+                 (vectorp collection)
+                 (listp (car collection)))
+             (setq coll (all-completions "" collection predicate)))
+            ((hash-table-p collection)
+             (error "Hash table as a collection unsupported"))
+            (t
+             (setq coll collection)))
+      (when sort
+        (if (and (functionp collection)
+                 (setq sort-fn (assoc collection ivy-sort-functions-alist)))
+            (when (and (setq sort-fn (cdr sort-fn))
+                       (not (eq collection 'read-file-name-internal)))
+              (setq coll (cl-sort coll sort-fn)))
+          (unless (eq history 'org-refile-history)
+            (if (and (setq sort-fn (cdr (assoc t ivy-sort-functions-alist)))
+                     (<= (length coll) ivy-sort-max-size))
+                (setq coll (cl-sort (copy-sequence coll) sort-fn))))))
+      (when preselect
+        (unless (or (and require-match
+                         (not (eq collection 'internal-complete-buffer)))
+                    (let ((re (format "\\`%s" (regexp-quote preselect))))
+                      (cl-find-if (lambda (x) (string-match re x))
+                                  coll)))
+          (setq coll (cons preselect coll))))
+      (setq ivy--index (or
+                        (and dynamic-collection
+                             ivy--index)
+                        (and preselect
+                             (ivy--preselect-index
+                              coll initial-input preselect matcher))
+                        0))
+      (setq ivy--old-re nil)
+      (setq ivy--old-cands nil)
+      (setq ivy--all-candidates coll))
     (setq ivy-exit nil)
     (setq ivy--default (or (thing-at-point 'symbol) ""))
     (setq ivy--prompt
           (cond ((string-match "%.*d" prompt)
                  prompt)
+                ((null ivy-count-format)
+                 nil)
+                ((string-match "%d.*%d" ivy-count-format)
+                 (let ((w (length (number-to-string
+                                   (length ivy--all-candidates))))
+                       (s (copy-sequence ivy-count-format)))
+                   (string-match "%d" s)
+                   (match-end 0)
+                   (string-match "%d" s (match-end 0))
+                   (setq s (replace-match (format "%%-%dd" w) nil nil s))
+                   (string-match "%d" s)
+                   (concat (replace-match (format "%%%dd" w) nil nil s)
+                           prompt)))
                 ((string-match "%.*d" ivy-count-format)
                  (concat ivy-count-format prompt))
                 (ivy--directory
                  prompt)
                 (t
                  nil)))
-    (prog1
-        (unwind-protect
-             (minibuffer-with-setup-hook
-                 #'ivy--minibuffer-setup
-               (let* ((hist (or history 'ivy-history))
-                      (minibuffer-completion-table collection)
-                      (minibuffer-completion-predicate predicate)
-                      (res (read-from-minibuffer
-                            prompt
-                            initial-input
-                            (make-composed-keymap keymap ivy-minibuffer-map)
-                            nil
-                            hist)))
-                 (when (eq ivy-exit 'done)
-                   (set hist (cons (propertize ivy-text 'ivy-index ivy--index)
-                                   (delete ivy-text
-                                           (cdr (symbol-value hist)))))
-                   res)))
-          (remove-hook 'post-command-hook #'ivy--exhibit)
-          (when (setq unwind (ivy-state-unwind ivy-last))
-            (funcall unwind)))
-      (when (setq action (ivy-state-action ivy-last))
-        (funcall action ivy--current)))))
+    (setf (ivy-state-initial-input ivy-last) initial-input)))
 
 (defun ivy-completing-read (prompt collection
                             &optional predicate require-match initial-input
@@ -780,16 +1048,25 @@ DEF is the default value.
 _INHERIT-INPUT-METHOD is ignored for now.
 
 The history, defaults and input-method arguments are ignored for now."
-  (ivy-read prompt collection
+  (ivy-read (replace-regexp-in-string "%" "%%" prompt)
+            collection
             :predicate predicate
             :require-match require-match
             :initial-input (if (consp initial-input)
                                (car initial-input)
-                             initial-input)
+                             (if (and (stringp initial-input)
+                                      (string-match "\\+" initial-input))
+                                 (replace-regexp-in-string
+                                  "\\+" "\\\\+" initial-input)
+                               initial-input))
             :preselect (if (listp def) (car def) def)
             :history history
             :keymap nil
-            :sort t))
+            :sort
+            (let ((sort (assoc this-command ivy-sort-functions-alist)))
+              (if sort
+                  (cdr sort)
+                t))))
 
 ;;;###autoload
 (define-minor-mode ivy-mode
@@ -811,15 +1088,21 @@ Minibuffer bindings:
       (setq completing-read-function 'ivy-completing-read)
     (setq completing-read-function 'completing-read-default)))
 
-(defun ivy--preselect-index (candidates initial-input preselect)
-  "Return the index in CANDIDATES filtered by INITIAL-INPUT for PRESELECT."
-  (when initial-input
-    (setq initial-input (ivy--regex-plus initial-input))
-    (setq candidates
-          (cl-remove-if-not
-           (lambda (x)
-             (string-match initial-input x))
-           candidates)))
+(defun ivy--preselect-index (candidates initial-input preselect matcher)
+  "Return the index in CANDIDATES filtered by INITIAL-INPUT for PRESELECT.
+When MATCHER is non-nil it's used instead of `cl-remove-if-not'."
+  (if initial-input
+      (progn
+        (setq initial-input (ivy--regex-plus initial-input))
+        (setq candidates
+              (if matcher
+                  (funcall matcher initial-input candidates)
+                (cl-remove-if-not
+                 (lambda (x)
+                   (string-match initial-input x))
+                 candidates))))
+    (when matcher
+      (setq candidates (funcall matcher "" candidates))))
   (or (cl-position preselect candidates :test #'equal)
       (cl-position-if
        (lambda (x)
@@ -871,6 +1154,8 @@ When GREEDY is non-nil, join words in a greedy way."
     (if hashed
         (prog1 (cdr hashed)
           (setq ivy--subexps (car hashed)))
+      (when (string-match "\\([^\\]\\|^\\)\\\\$" str)
+        (setq str (substring str 0 -1)))
       (cdr (puthash str
                     (let ((subs (ivy--split str)))
                       (if (= (length subs) 1)
@@ -928,6 +1213,15 @@ Everything after \"!\" should not match."
                res)))
       (t (error "Unexpected: use only one !")))))
 
+(defun ivy--regex-fuzzy (str)
+  "Build a regex sequence from STR.
+Insert .* between each char."
+  (if (string-match "\\`\\(\\^?\\)\\(.*?\\)\\(\\$?\\)\\'" str)
+      (concat (match-string 1 str)
+              (mapconcat #'string (string-to-list (match-string 2 str)) ".*")
+              (match-string 3 str))
+    str))
+
 ;;** Rest
 (defun ivy--minibuffer-setup ()
   "Setup ivy completion in the minibuffer."
@@ -957,7 +1251,7 @@ Everything after \"!\" should not match."
   "Update the prompt according to `ivy--prompt'."
   (when ivy--prompt
     (unless (memq this-command '(ivy-done ivy-alt-done ivy-partial-or-done
-                                          counsel-find-symbol))
+                                 counsel-find-symbol))
       (setq ivy--prompt-extra ""))
     (let (head tail)
       (if (string-match "\\(.*\\): \\'" ivy--prompt)
@@ -969,16 +1263,27 @@ Everything after \"!\" should not match."
       (let ((inhibit-read-only t)
             (std-props '(front-sticky t rear-nonsticky t field t read-only t))
             (n-str
-             (format
-              (concat head
-                      ivy--prompt-extra
-                      tail
-                      (if ivy--directory
-                          (abbreviate-file-name ivy--directory)
-                        ""))
-              (or (and (ivy-state-dynamic-collection ivy-last)
-                       ivy--full-length)
-                  ivy--length))))
+             (concat
+              (if (and (bound-and-true-p minibuffer-depth-indicate-mode)
+                       (> (minibuffer-depth) 1))
+                  (format "[%d] " (minibuffer-depth))
+                "")
+              (concat
+               (if (string-match "%d.*%d" ivy-count-format)
+                   (format head
+                           (1+ ivy--index)
+                           (or (and (ivy-state-dynamic-collection ivy-last)
+                                    ivy--full-length)
+                               ivy--length))
+                 (format head
+                         (or (and (ivy-state-dynamic-collection ivy-last)
+                                  ivy--full-length)
+                             ivy--length)))
+               ivy--prompt-extra
+               tail)
+              (if ivy--directory
+                  (abbreviate-file-name ivy--directory)
+                ""))))
         (save-excursion
           (goto-char (point-min))
           (delete-region (point-min) (minibuffer-prompt-end))
@@ -1004,49 +1309,76 @@ Everything after \"!\" should not match."
 
 (defvar inhibit-message)
 
+(defun ivy--sort-maybe (collection)
+  "Sort COLLECTION if needed."
+  (let ((sort (ivy-state-sort ivy-last))
+        entry)
+    (if (null sort)
+        collection
+      (let ((sort-fn (cond ((functionp sort)
+                            sort)
+                           ((setq entry (assoc (ivy-state-collection ivy-last)
+                                               ivy-sort-functions-alist))
+                            (cdr entry))
+                           (t
+                            (cdr (assoc t ivy-sort-functions-alist))))))
+        (if (functionp sort-fn)
+            (cl-sort (copy-sequence collection) sort-fn)
+          collection)))))
+
 (defun ivy--exhibit ()
   "Insert Ivy completions display.
 Should be run via minibuffer `post-command-hook'."
-  (setq ivy-text (ivy--input))
-  (if (ivy-state-dynamic-collection ivy-last)
-      ;; while-no-input would cause annoying
-      ;; "Waiting for process to die...done" message interruptions
-      (let ((inhibit-message t))
-        (while-no-input
+  (when (memq 'ivy--exhibit post-command-hook)
+    (setq ivy-text (ivy--input))
+    (if (ivy-state-dynamic-collection ivy-last)
+        ;; while-no-input would cause annoying
+        ;; "Waiting for process to die...done" message interruptions
+        (let ((inhibit-message t))
           (unless (equal ivy--old-text ivy-text)
-            (cl-letf ((store (ivy-state-dynamic-collection ivy-last))
-                      ((ivy-state-dynamic-collection ivy-last) nil))
-              (setq ivy--all-candidates (funcall store ivy-text))))
-          (ivy--insert-minibuffer (ivy--format ivy--all-candidates))))
-    (cond (ivy--directory
-           (if (string-match "/\\'" ivy-text)
-               (if (member ivy-text ivy--all-candidates)
-                   (ivy--cd (expand-file-name ivy-text ivy--directory))
-                 (when (string-match "//\\'" ivy-text)
-                   (ivy--cd "/")))
-             (if (string-match "~\\'" ivy-text)
-                 (ivy--cd (expand-file-name "~/")))))
-          ((eq (ivy-state-collection ivy-last) 'internal-complete-buffer)
-           (when (or (and (string-match "\\` " ivy-text)
-                          (not (string-match "\\` " ivy--old-text)))
-                     (and (string-match "\\` " ivy--old-text)
-                          (not (string-match "\\` " ivy-text))))
-             (setq ivy--all-candidates
-                   (if (and (> (length ivy-text) 0)
-                            (eq (aref ivy-text 0)
-                                ?\ ))
-                       (ivy--buffer-list " ")
-                     (ivy--buffer-list "" ivy-use-virtual-buffers)))
-             (setq ivy--old-re nil))))
-    (ivy--insert-minibuffer
-     (ivy--format
-      (ivy--filter ivy-text ivy--all-candidates))))
-  (setq ivy--old-text ivy-text))
+            (while-no-input
+              (setq ivy--all-candidates
+                    (ivy--sort-maybe
+                     (funcall (ivy-state-collection ivy-last) ivy-text)))
+              (setq ivy--old-text ivy-text)))
+          (when ivy--all-candidates
+            (ivy--insert-minibuffer
+             (ivy--format ivy--all-candidates))))
+      (cond (ivy--directory
+             (if (string-match "/\\'" ivy-text)
+                 (if (member ivy-text ivy--all-candidates)
+                     (ivy--cd (expand-file-name ivy-text ivy--directory))
+                   (when (string-match "//\\'" ivy-text)
+                     (if (and default-directory
+                              (string-match "\\`[[:alpha:]]:/" default-directory))
+                         (ivy--cd (match-string 0 default-directory))
+                       (ivy--cd "/")))
+                   (when (string-match "[[:alpha:]]:/" ivy-text)
+                     (let ((drive-root (match-string 0 ivy-text)))
+                       (when (file-exists-p drive-root)
+                         (ivy--cd drive-root)))))
+               (if (string-match "\\`~\\'" ivy-text)
+                   (ivy--cd (expand-file-name "~/")))))
+            ((eq (ivy-state-collection ivy-last) 'internal-complete-buffer)
+             (when (or (and (string-match "\\` " ivy-text)
+                            (not (string-match "\\` " ivy--old-text)))
+                       (and (string-match "\\` " ivy--old-text)
+                            (not (string-match "\\` " ivy-text))))
+               (setq ivy--all-candidates
+                     (if (and (> (length ivy-text) 0)
+                              (eq (aref ivy-text 0)
+                                  ?\ ))
+                         (ivy--buffer-list " ")
+                       (ivy--buffer-list "" ivy-use-virtual-buffers)))
+               (setq ivy--old-re nil))))
+      (ivy--insert-minibuffer
+       (ivy--format
+        (ivy--filter ivy-text ivy--all-candidates)))
+      (setq ivy--old-text ivy-text))))
 
 (defun ivy--insert-minibuffer (text)
   "Insert TEXT into minibuffer with appropriate cleanup."
   (let ((resize-mini-windows nil)
-        (buffer-undo-list t)
         (update-fn (ivy-state-update-fn ivy-last))
         deactivate-mark)
     (ivy--cleanup)
@@ -1055,9 +1387,21 @@ Should be run via minibuffer `post-command-hook'."
     (ivy--insert-prompt)
     ;; Do nothing if while-no-input was aborted.
     (when (stringp text)
-      (save-excursion
-        (forward-line 1)
-        (insert text)))))
+      (let ((buffer-undo-list t))
+        (save-excursion
+          (forward-line 1)
+          (insert text))))
+    (when (display-graphic-p)
+      (ivy--resize-minibuffer-to-fit))))
+
+(defun ivy--resize-minibuffer-to-fit ()
+  "Resize the minibuffer window so it has enough space to display
+all of the text contained in the minibuffer."
+  (with-selected-window (minibuffer-window)
+    (let ((text-height (cdr (window-text-pixel-size)))
+          (body-height (window-body-height nil t)))
+      (when (> text-height body-height)
+        (window-resize nil (- text-height body-height) nil t t)))))
 
 (declare-function colir-blend-face-background "ext:colir")
 
@@ -1067,7 +1411,15 @@ Should be run via minibuffer `post-command-hook'."
 `propertize' or `add-face-text-property' in this case."
   (require 'colir)
   (condition-case nil
-      (colir-blend-face-background 0 (length str) face str)
+      (progn
+        (colir-blend-face-background 0 (length str) face str)
+        (let ((foreground (face-foreground face)))
+          (when foreground
+            (add-face-text-property
+             0 (length str)
+             `(:foreground ,foreground)
+             nil
+             str))))
     (error
      (ignore-errors
        (font-lock-append-text-property 0 (length str) 'face face str))))
@@ -1078,6 +1430,7 @@ Should be run via minibuffer `post-command-hook'."
 CANDIDATES are assumed to be static."
   (let* ((re (funcall ivy--regex-function name))
          (matcher (ivy-state-matcher ivy-last))
+         (case-fold-search (string= name (downcase name)))
          (cands (cond
                   (matcher
                    (funcall matcher re candidates))
@@ -1115,12 +1468,15 @@ CANDIDATES are assumed to be static."
                      res))))
          (tail (nthcdr ivy--index ivy--old-cands))
          idx)
-    (when (and tail ivy--old-cands)
+    (when (and tail ivy--old-cands (not (equal "^" ivy--old-re)))
       (unless (and (not (equal re ivy--old-re))
                    (or (setq ivy--index
                              (or
-                              (cl-position re cands
-                                           :test #'equal)
+                              (cl-position (if (and (> (length re) 0)
+                                                    (eq ?^ (aref re 0)))
+                                               (substring re 1)
+                                             re) cands
+                                             :test #'equal)
                               (and ivy--directory
                                    (cl-position
                                     (concat re "/") cands
@@ -1157,11 +1513,39 @@ This string will be inserted into the minibuffer.")
     (mapconcat
      (lambda (s)
        (concat (if (eq (cl-incf i) ivy--index)
-                   "==> "
-                 "    ")
+                   "> "
+                 "  ")
                s))
      cands "\n")))
 
+(defun ivy--format-minibuffer-line (str)
+  (let ((start 0)
+        (str (copy-sequence str)))
+    (when (eq ivy-display-style 'fancy)
+      (unless ivy--old-re
+        (setq ivy--old-re (funcall ivy--regex-function ivy-text)))
+      (while (and (string-match ivy--old-re str start)
+                  (> (- (match-end 0) (match-beginning 0)) 0))
+        (setq start (match-end 0))
+        (let ((i 0))
+          (while (<= i ivy--subexps)
+            (let ((face
+                   (cond ((zerop ivy--subexps)
+                          (cadr swiper-minibuffer-faces))
+                         ((zerop i)
+                          (car swiper-minibuffer-faces))
+                         (t
+                          (nth (1+ (mod (+ i 2) (1- (length swiper-minibuffer-faces))))
+                               swiper-minibuffer-faces)))))
+              (add-face-text-property
+               (match-beginning i)
+               (match-end i)
+               face
+               nil
+               str))
+            (cl-incf i)))))
+    str))
+
 (defun ivy--format (cands)
   "Return a string for CANDS suitable for display in the minibuffer.
 CANDS is a list of strings."
@@ -1173,8 +1557,9 @@ CANDS is a list of strings."
     (let* ((half-height (/ ivy-height 2))
            (start (max 0 (- ivy--index half-height)))
            (end (min (+ start (1- ivy-height)) ivy--length))
+           (start (max 0 (min start (- end (1- ivy-height)))))
            (cands (cl-subseq cands start end))
-           (index (min ivy--index half-height (1- (length cands)))))
+           (index (- ivy--index start)))
       (when ivy--directory
         (setq cands (mapcar (lambda (x)
                               (if (string-match-p "/\\'" x)
@@ -1182,8 +1567,11 @@ CANDS is a list of strings."
                                 x))
                             cands)))
       (setq ivy--current (copy-sequence (nth index cands)))
+      (setq cands (mapcar
+                   #'ivy--format-minibuffer-line
+                   cands))
       (setf (nth index cands)
-            (ivy--add-face ivy--current 'ivy-current-match))
+            (ivy--add-face (nth index cands) 'ivy-current-match))
       (let* ((ivy--index index)
              (res (concat "\n" (funcall ivy-format-function cands))))
         (put-text-property 0 (length res) 'read-only nil res)
@@ -1193,7 +1581,9 @@ CANDS is a list of strings."
   "Store the virtual buffers alist.")
 
 (defvar recentf-list)
-(defvar ido-use-faces)
+
+(defface ivy-virtual '((t :inherit font-lock-builtin-face))
+  "Face used by Ivy for matching virtual buffer names.")
 
 (defun ivy--virtual-buffers ()
   "Adapted from `ido-add-virtual-buffers-to-list'."
@@ -1218,11 +1608,10 @@ CANDS is a list of strings."
            (not (assoc name virtual-buffers))
            (push (cons name head) virtual-buffers)))
     (when virtual-buffers
-      (if ido-use-faces
-          (dolist (comp virtual-buffers)
-            (put-text-property 0 (length (car comp))
-                               'face 'ido-virtual
-                               (car comp))))
+      (dolist (comp virtual-buffers)
+        (put-text-property 0 (length (car comp))
+                           'face 'ivy-virtual
+                           (car comp)))
       (setq ivy--virtual-buffers (nreverse virtual-buffers))
       (mapcar #'car ivy--virtual-buffers))))
 
@@ -1244,36 +1633,67 @@ When VIRTUAL is non-nil, add virtual buffers."
 
 (defun ivy--switch-buffer-action (buffer)
   "Switch to BUFFER.
+BUFFER may be a string or nil."
+  (with-ivy-window
+    (if (zerop (length buffer))
+        (switch-to-buffer
+         ivy-text nil 'force-same-window)
+      (let ((virtual (assoc buffer ivy--virtual-buffers)))
+        (if (and virtual
+                 (not (get-buffer buffer)))
+            (find-file (cdr virtual))
+          (switch-to-buffer
+           buffer nil 'force-same-window))))))
+
+(defun ivy--switch-buffer-other-window-action (buffer)
+  "Switch to BUFFER in other window.
 BUFFER may be a string or nil."
   (if (zerop (length buffer))
-      (switch-to-buffer
-       ivy-text nil 'force-same-window)
+      (switch-to-buffer-other-window ivy-text)
     (let ((virtual (assoc buffer ivy--virtual-buffers)))
-      (if virtual
-          (find-file (cdr virtual))
-        (switch-to-buffer
-         buffer nil 'force-same-window)))))
+      (if (and virtual
+               (not (get-buffer buffer)))
+          (find-file-other-window (cdr virtual))
+        (switch-to-buffer-other-window buffer)))))
+
+(defvar ivy-switch-buffer-map (make-sparse-keymap))
+
+(ivy-set-actions
+ 'ivy-switch-buffer
+ '(("k"
+    (lambda (x)
+      (kill-buffer x)
+      (ivy--reset-state ivy-last))
+    "kill")
+   ("j"
+    ivy--switch-buffer-other-window-action
+    "other")))
 
 (defun ivy-switch-buffer ()
   "Switch to another buffer."
   (interactive)
   (if (not ivy-mode)
       (call-interactively 'switch-to-buffer)
-    (ivy-read "Switch to buffer: " 'internal-complete-buffer
-              :preselect (buffer-name (other-buffer (current-buffer)))
-              :action #'ivy--switch-buffer-action)))
+    (let ((this-command 'ivy-switch-buffer))
+      (ivy-read "Switch to buffer: " 'internal-complete-buffer
+                :preselect (buffer-name (other-buffer (current-buffer)))
+                :action #'ivy--switch-buffer-action
+                :keymap ivy-switch-buffer-map))))
 
 (defun ivy-recentf ()
   "Find a file on `recentf-list'."
   (interactive)
   (ivy-read "Recentf: " recentf-list
-            :action #'find-file))
+            :action
+            (lambda (f)
+              (with-ivy-window
+                (find-file f)))))
 
 (defun ivy-yank-word ()
   "Pull next word from buffer into search string."
   (interactive)
   (let (amend)
-    (with-selected-window (ivy-state-window ivy-last)
+    (with-ivy-window
       (let ((pt (point))
             (le (line-end-position)))
         (forward-word 1)
@@ -1283,6 +1703,59 @@ BUFFER may be a string or nil."
     (when amend
       (insert amend))))
 
+(defun ivy-kill-ring-save ()
+  "Store the current candidates into the kill ring.
+If the region is active, forward to `kill-ring-save' instead."
+  (interactive)
+  (if (region-active-p)
+      (call-interactively 'kill-ring-save)
+    (kill-new
+     (mapconcat
+      #'identity
+      ivy--old-cands
+      "\n"))))
+
+(defun ivy-insert-current ()
+  "Make the current candidate into current input.
+Don't finish completion."
+  (interactive)
+  (delete-minibuffer-contents)
+  (if (and ivy--directory
+           (string-match "/$" ivy--current))
+      (insert (substring ivy--current 0 -1))
+    (insert ivy--current)))
+
+(defun ivy-toggle-fuzzy ()
+  "Toggle the re builder between `ivy--regex-fuzzy' and `ivy--regex-plus'."
+  (interactive)
+  (setq ivy--old-re nil)
+  (if (eq ivy--regex-function 'ivy--regex-fuzzy)
+      (setq ivy--regex-function 'ivy--regex-plus)
+    (setq ivy--regex-function 'ivy--regex-fuzzy)))
+
+(defun ivy-reverse-i-search ()
+  "Enter a recursive `ivy-read' session using the current history.
+The selected history element will be inserted into the minibufer."
+  (interactive)
+  (let ((enable-recursive-minibuffers t)
+        (history (symbol-value (ivy-state-history ivy-last)))
+        (old-last ivy-last))
+    (ivy-read "Reverse-i-search: "
+              history
+              :action (lambda (x)
+                        (ivy--reset-state
+                         (setq ivy-last old-last))
+                        (delete-minibuffer-contents)
+                        (insert (substring-no-properties x))
+                        (ivy--cd-maybe)))))
+
+(defun ivy-restrict-to-matches ()
+  "Restrict candidates to current matches and erase input."
+  (interactive)
+  (delete-minibuffer-contents)
+  (setq ivy--all-candidates
+        (ivy--filter ivy-text ivy--all-candidates)))
+
 (provide 'ivy)
 
 ;;; ivy.el ends here