]> code.delx.au - gnu-emacs-elpa/blobdiff - ivy.el
ivy.el (ivy--format-minibuffer-line): Update
[gnu-emacs-elpa] / ivy.el
diff --git a/ivy.el b/ivy.el
index 762e50a1b3574be7dbcbd5c46c8ee351e4713d6f..f664e5dab1a44f2dbf03c170a70ed9c0846439f8 100644 (file)
--- a/ivy.el
+++ b/ivy.el
   '((t :inherit font-lock-builtin-face))
   "Face used by Ivy for matching virtual buffer names.")
 
+(defface ivy-action
+  '((t :inherit font-lock-builtin-face))
+  "Face used by Ivy for displaying keys in `ivy-read-action'.")
+
 (setcdr (assoc load-file-name custom-current-group-alist) 'ivy)
 
 (defcustom ivy-height 10
@@ -225,12 +229,10 @@ Example:
     (define-key map (kbd "TAB") 'ivy-partial-or-done)
     (define-key map [remap next-line] 'ivy-next-line)
     (define-key map [remap previous-line] 'ivy-previous-line)
-    (define-key map [remap next-line] 'ivy-next-line)
-    (define-key map [remap previous-line] 'ivy-previous-line)
     (define-key map (kbd "C-s") 'ivy-next-line-or-history)
     (define-key map (kbd "C-r") 'ivy-reverse-i-search)
     (define-key map (kbd "SPC") 'self-insert-command)
-    (define-key map [remap backward-delete-char] 'ivy-backward-delete-char)
+    (define-key map [remap delete-backward-char] 'ivy-backward-delete-char)
     (define-key map [remap backward-kill-word] 'ivy-backward-kill-word)
     (define-key map [remap delete-char] 'ivy-delete-char)
     (define-key map [remap forward-char] 'ivy-forward-char)
@@ -357,8 +359,17 @@ sources. These values will subsequently be filtered on `ivy-text'.
 
 This variable is set by `ivy-read' and used by `ivy--set-candidates'.")
 
+(defcustom ivy-use-ignore-default t
+  "The default policy for user-configured candidate filtering."
+  :type '(choice
+          (const :tag "Ignore ignored always" always)
+          (const :tag "Ignore ignored when others exist" t)
+          (const :tag "Don't ignore" nil)))
+
 (defvar ivy-use-ignore t
-  "Store policy for user-configured candidate filtering.")
+  "Store policy for user-configured candidate filtering.
+This may be changed dynamically by `ivy-toggle-ignore'.
+Use `ivy-use-ignore-default' for a permanent configuration.")
 
 (defvar ivy--default nil
   "Default initial input.")
@@ -446,7 +457,10 @@ When non-nil, it should contain at least one %d.")
   "Exit the minibuffer with the selected candidate."
   (interactive)
   (delete-minibuffer-contents)
-  (cond ((> ivy--length 0)
+  (cond ((or (> ivy--length 0)
+             ;; the action from `ivy-dispatching-done' may not need a
+             ;; candidate at all
+             (eq this-command 'ivy-dispatching-done))
          (ivy--done ivy--current))
         ((memq (ivy-state-collection ivy-last)
                '(read-file-name-internal internal-complete-buffer))
@@ -464,6 +478,28 @@ When non-nil, it should contain at least one %d.")
          (insert ivy-text)
          (ivy--exhibit))))
 
+(defvar ivy-read-action-format-function 'ivy-read-action-format-default
+  "Function used to transform the actions list into a docstring.")
+
+(defun ivy-read-action-format-default (actions)
+  "Create a docstring from ACTIONS.
+
+ACTIONS is a list. Each list item is a list of 3 items:
+key (a string), cmd and doc (a string)."
+  (format "%s\n%s\n"
+          (if (eq this-command 'ivy-read-action)
+              "Select action: "
+            ivy--current)
+          (mapconcat
+           (lambda (x)
+             (format "%s: %s"
+                     (propertize
+                      (car x)
+                      'face 'ivy-action)
+                     (nth 2 x)))
+           actions
+           "\n")))
+
 (defun ivy-read-action ()
   "Change the action to one of the available ones.
 
@@ -473,20 +509,7 @@ selection, non-nil otherwise."
   (let ((actions (ivy-state-action ivy-last)))
     (if (null (ivy--actionp actions))
         t
-      (let* ((hint (concat (if (eq this-command 'ivy-read-action)
-                               "Select action: "
-                             ivy--current)
-                           "\n"
-                           (mapconcat
-                            (lambda (x)
-                              (format "%s: %s"
-                                      (propertize
-                                       (car x)
-                                       'face 'font-lock-builtin-face)
-                                      (nth 2 x)))
-                            (cdr actions)
-                            "\n")
-                           "\n"))
+      (let* ((hint (funcall ivy-read-action-format-function (cdr actions)))
              (resize-mini-windows 'grow-only)
              (key (string (read-key hint)))
              (action-idx (cl-position-if
@@ -797,7 +820,10 @@ If the input is empty, select the previous history element instead."
 (defun ivy-toggle-ignore ()
   "Toggle user-configured candidate filtering."
   (interactive)
-  (setq ivy-use-ignore (null ivy-use-ignore))
+  (setq ivy-use-ignore
+        (if ivy-use-ignore
+            nil
+          (or ivy-use-ignore-default t)))
   ;; invalidate cache
   (setq ivy--old-cands nil))
 
@@ -867,12 +893,13 @@ Example use:
     (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))))
+               (x (cond ((and (consp collection)
+                              (consp (car collection))
+                              (cdr (assoc ivy--current collection))))
+                        ((equal ivy--current "")
+                         ivy-text)
+                        (t
+                         ivy--current))))
           (prog1 (funcall action x)
             (unless (or (eq ivy-exit 'done)
                         (equal (selected-window)
@@ -1378,7 +1405,7 @@ This is useful for recursive `ivy-read'."
     (setq ivy--full-length nil)
     (setq ivy-text "")
     (setq ivy-calling nil)
-    (setq ivy-use-ignore t)
+    (setq ivy-use-ignore ivy-use-ignore-default)
     (let (coll sort-fn)
       (cond ((eq collection 'Info-read-node-name-1)
              (if (equal Info-current-file "dir")
@@ -1389,7 +1416,11 @@ This is useful for recursive `ivy-read'."
                                 :test #'equal)))
                (setq coll (all-completions "" collection predicate))))
             ((eq collection 'read-file-name-internal)
-             (setq ivy--directory default-directory)
+             (if (and initial-input (file-directory-p initial-input))
+                 (progn
+                   (setq ivy--directory initial-input)
+                   (setq initial-input nil))
+               (setq ivy--directory default-directory))
              (require 'dired)
              (when preselect
                (let ((preselect-directory (file-name-directory preselect)))
@@ -1669,19 +1700,27 @@ This allows to \"quote\" N spaces by inputting N+1 spaces."
         match-len)
     (while (and (string-match " +" str start1)
                 (< start1 len))
-      (setq match-len (- (match-end 0) (match-beginning 0)))
-      (if (= match-len 1)
+      (if (and (> (match-beginning 0) 2)
+               (string= "[^" (substring
+                              str
+                              (- (match-beginning 0) 2)
+                              (match-beginning 0))))
           (progn
-            (when start0
-              (setq start1 start0)
-              (setq start0 nil))
-            (push (substring str start1 (match-beginning 0)) res)
-            (setq start1 (match-end 0)))
-        (setq str (replace-match
-                   (make-string (1- match-len) ?\ )
-                   nil nil str))
-        (setq start0 (or start0 start1))
-        (setq start1 (1- (match-end 0)))))
+            (setq start1 (match-end 0))
+            (setq start0 0))
+        (setq match-len (- (match-end 0) (match-beginning 0)))
+        (if (= match-len 1)
+            (progn
+              (when start0
+                (setq start1 start0)
+                (setq start0 nil))
+              (push (substring str start1 (match-beginning 0)) res)
+              (setq start1 (match-end 0)))
+          (setq str (replace-match
+                     (make-string (1- match-len) ?\ )
+                     nil nil str))
+          (setq start0 (or start0 start1))
+          (setq start1 (1- (match-end 0))))))
     (if start0
         (push (substring str start0) res)
       (setq s (substring str start1))
@@ -1909,6 +1948,28 @@ depending on the number of candidates."
             (cl-sort (copy-sequence collection) sort-fn)
           collection)))))
 
+(defun ivy--magic-file-slash ()
+  (cond ((member ivy-text ivy--all-candidates)
+         (ivy--cd (expand-file-name ivy-text ivy--directory)))
+        ((string-match "//\\'" ivy-text)
+         (if (and default-directory
+                  (string-match "\\`[[:alpha:]]:/" default-directory))
+             (ivy--cd (match-string 0 default-directory))
+           (ivy--cd "/")))
+        ((string-match "[[:alpha:]]:/\\'" ivy-text)
+         (let ((drive-root (match-string 0 ivy-text)))
+           (when (file-exists-p drive-root)
+             (ivy--cd drive-root))))
+        ((and (or (> ivy--index 0)
+                  (= ivy--length 1)
+                  (not (string= ivy-text "/")))
+              (let ((default-directory ivy--directory))
+                (and
+                 (not (equal ivy--current ""))
+                 (file-directory-p ivy--current)
+                 (file-exists-p ivy--current))))
+         (ivy--cd (expand-file-name ivy--current ivy--directory)))))
+
 (defun ivy--exhibit ()
   "Insert Ivy completions display.
 Should be run via minibuffer `post-command-hook'."
@@ -1931,17 +1992,7 @@ Should be run via minibuffer `post-command-hook'."
              (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)))))
+                 (ivy--magic-file-slash)
                (if (string-match "\\`~\\'" ivy-text)
                    (ivy--cd (expand-file-name "~/")))))
             ((eq (ivy-state-collection ivy-last) 'internal-complete-buffer)
@@ -2388,7 +2439,12 @@ SEPARATOR is used to join the candidates."
      start end 'face face str)))
 
 (defun ivy--format-minibuffer-line (str)
-  (let ((start 0)
+  (let ((start
+         (if (and (memq (ivy-state-caller ivy-last)
+                        '(counsel-git-grep counsel-ag counsel-pt))
+                  (string-match "^[^:]+:[^:]+:" str))
+             (match-end 0)
+           0))
         (str (copy-sequence str)))
     (cond ((eq ivy--regex-function 'ivy--regex-ignore-order)
            (when (consp ivy--old-re)
@@ -2405,23 +2461,24 @@ SEPARATOR is used to join the candidates."
                 (not (eq ivy--regex-function 'ivy--regex-fuzzy)))
            (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 ivy-minibuffer-faces))
-                              ((zerop i)
-                               (car ivy-minibuffer-faces))
-                              (t
-                               (nth (1+ (mod (+ i 2) (1- (length ivy-minibuffer-faces))))
-                                    ivy-minibuffer-faces)))))
-                   (ivy-add-face-text-property
-                    (match-beginning i) (match-end i)
-                    face str))
-                 (cl-incf i))))))
+           (ignore-errors
+             (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 ivy-minibuffer-faces))
+                                ((zerop i)
+                                 (car ivy-minibuffer-faces))
+                                (t
+                                 (nth (1+ (mod (+ i 2) (1- (length ivy-minibuffer-faces))))
+                                      ivy-minibuffer-faces)))))
+                     (ivy-add-face-text-property
+                      (match-beginning i) (match-end i)
+                      face str))
+                   (cl-incf i)))))))
     str))
 
 (ivy-set-display-transformer
@@ -2527,6 +2584,69 @@ When VIRTUAL is non-nil, add virtual buffers."
     (and virtual
          (ivy--virtual-buffers)))))
 
+(defvar ivy-views (and nil
+                       `(("ivy + *scratch* {}"
+                          (vert
+                           (file ,(expand-file-name "ivy.el"))
+                           (buffer "*scratch*")))
+                         ("swiper + *scratch* {}"
+                          (horz
+                           (file ,(expand-file-name "swiper.el"))
+                           (buffer "*scratch*")))))
+  "Store window configurations selectable by `ivy-switch-buffer'.
+
+The default value is given as an example.
+
+Each element is a list of (NAME TREE). NAME is a string, it's
+recommended to end it with a distinctive snippet e.g. \"{}\" so
+that it's easy to distinguish the window configurations.
+
+TREE is a nested list with the following valid cars:
+- vert: split the window vertically
+- horz: split the window horizontally
+- file: open the specified file
+- buffer: open the specified buffer
+
+TREE can be nested multiple times to have mulitple window splits.")
+
+(defun ivy-source-views ()
+  (mapcar #'car ivy-views))
+
+(ivy-set-sources
+ 'ivy-switch-buffer
+ '((original-source)
+   (ivy-source-views)))
+
+(defun ivy-set-view-recur (view)
+  (cond ((eq (car view) 'vert)
+         (let ((wnd1 (selected-window))
+               (wnd2 (split-window-vertically)))
+           (with-selected-window wnd1
+             (ivy-set-view-recur (nth 1 view)))
+           (with-selected-window wnd2
+             (ivy-set-view-recur (nth 2 view)))))
+        ((eq (car view) 'horz)
+         (let ((wnd1 (selected-window))
+               (wnd2 (split-window-horizontally)))
+           (with-selected-window wnd1
+             (ivy-set-view-recur (nth 1 view)))
+           (with-selected-window wnd2
+             (ivy-set-view-recur (nth 2 view)))))
+        ((eq (car view) 'file)
+         (let* ((name (cadr view))
+                (virtual (assoc name ivy--virtual-buffers))
+                buffer)
+           (cond ((setq buffer (get-buffer name))
+                  (switch-to-buffer buffer nil 'force-same-window))
+                 (virtual
+                  (find-file (cdr virtual)))
+                 ((file-exists-p name)
+                  (find-file name)))))
+        ((eq (car view) 'buffer)
+         (switch-to-buffer (cadr view)))
+        ((eq (car view) 'sexp)
+         (eval (cadr view)))))
+
 (defun ivy--switch-buffer-action (buffer)
   "Switch to BUFFER.
 BUFFER may be a string or nil."
@@ -2534,12 +2654,17 @@ BUFFER may be a string or nil."
     (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))))))
+      (let ((virtual (assoc buffer ivy--virtual-buffers))
+            (view (assoc buffer ivy-views)))
+        (cond ((and virtual
+                    (not (get-buffer buffer)))
+               (find-file (cdr virtual)))
+              (view
+               (delete-other-windows)
+               (ivy-set-view-recur (cadr view)))
+              (t
+               (switch-to-buffer
+                buffer nil 'force-same-window)))))))
 
 (defun ivy--switch-buffer-other-window-action (buffer)
   "Switch to BUFFER in other window.
@@ -2590,7 +2715,8 @@ Skip buffers that match `ivy-ignore-buffers'."
                   (string-match-p f-or-r buf)))
               ivy-ignore-buffers))
            res)
-          res))))
+          (and (eq ivy-use-ignore t)
+               res)))))
 
 (ivy-set-display-transformer
  'ivy-switch-buffer 'ivy-switch-buffer-transformer)
@@ -2901,6 +3027,8 @@ EVENT gives the mouse position."
 
 (declare-function swiper--cleanup "swiper")
 (declare-function swiper--add-overlays "swiper")
+(defvar ivy-occur-timer nil)
+(defvar counsel-grep-last-line)
 
 (defun ivy-occur-press ()
   "Execute action for the current candidate."
@@ -2927,13 +3055,14 @@ EVENT gives the mouse position."
            (action (ivy--get-action ivy-last))
            (ivy-exit 'done))
       (with-ivy-window
+        (setq counsel-grep-last-line nil)
         (funcall action
                  (if (and (consp coll)
                           (consp (car coll)))
                      (cdr (assoc str coll))
                    str))
         (if (memq (ivy-state-caller ivy-last)
-                  '(swiper counsel-git-grep))
+                  '(swiper counsel-git-grep counsel-grep))
             (with-current-buffer (window-buffer (selected-window))
               (swiper--cleanup)
               (swiper--add-overlays
@@ -2941,7 +3070,9 @@ EVENT gives the mouse position."
                (line-beginning-position)
                (line-end-position)
                (selected-window))
-              (run-at-time 0.5 nil 'swiper--cleanup)))))))
+              (when (timerp ivy-occur-timer)
+                (cancel-timer ivy-occur-timer))
+              (setq ivy-occur-timer (run-at-time 1.0 nil 'swiper--cleanup))))))))
 
 (defvar ivy-help-file (let ((default-directory
                              (if load-file-name