-
Notifications
You must be signed in to change notification settings - Fork 135
/
meow-visual.el
211 lines (180 loc) · 8.22 KB
/
meow-visual.el
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
;;; meow-visual.el --- Visual effect in Meow -*- lexical-binding: t; -*-
;; This file is not part of GNU Emacs.
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License
;; as published by the Free Software Foundation; either version 3
;; of the License, or (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Implementation for all commands in Meow.
;;; Code:
(require 'cl-lib)
(require 'subr-x)
(require 'pcase)
(require 'meow-var)
(require 'meow-util)
(declare-function hl-line-highlight "hl-line")
(defvar meow--expand-overlays nil
"Overlays used to highlight expand hints in buffer.")
(defvar meow--match-overlays nil
"Overlays used to highlight matches in buffer.")
(defvar meow--search-indicator-overlay nil
"Overlays used to display search indicator in current line.")
(defvar-local meow--search-indicator-state nil
"The state for search indicator.
Value is a list of (last-regexp last-pos idx cnt).")
(defvar meow--dont-remove-overlay nil
"Indicate we should prevent removing overlay for once.")
(defvar meow--highlight-timer nil
"Timer for highlight cleaner.")
(defun meow--remove-expand-highlights ()
(mapc #'delete-overlay meow--expand-overlays)
(setq meow--expand-overlays nil))
(defun meow--remove-match-highlights ()
(mapc #'delete-overlay meow--match-overlays)
(setq meow--match-overlays nil))
(defun meow--remove-search-highlight ()
(when meow--search-indicator-overlay
(delete-overlay meow--search-indicator-overlay)))
(defun meow--clean-search-indicator-state ()
(setq meow--search-indicator-overlay nil
meow--search-indicator-state nil))
(defun meow--remove-search-indicator ()
(meow--remove-search-highlight)
(meow--clean-search-indicator-state))
(defun meow--show-indicator (pos idx cnt)
(goto-char pos)
(goto-char (line-end-position))
(if (= (point) (point-max))
(let ((ov (make-overlay (point) (point))))
(overlay-put ov 'after-string (propertize (format " [%d/%d]" idx cnt) 'face 'meow-search-indicator))
(setq meow--search-indicator-overlay ov))
(let ((ov (make-overlay (point) (1+ (point)))))
(overlay-put ov 'display (propertize (format " [%d/%d] \n" idx cnt) 'face 'meow-search-indicator))
(setq meow--search-indicator-overlay ov))))
(defun meow--highlight-match ()
(let ((beg (match-beginning 0))
(end (match-end 0)))
(unless (cl-find-if (lambda (it)
(overlay-get it 'meow))
(overlays-at beg))
(let ((ov (make-overlay beg end)))
(overlay-put ov 'face 'meow-search-highlight)
(overlay-put ov 'priority 0)
(overlay-put ov 'meow t)
(push ov meow--match-overlays)))))
(defun meow--highlight-regexp-in-buffer (regexp)
"Highlight all regexp in this buffer."
(when (and (meow-normal-mode-p)
(region-active-p))
(meow--remove-expand-highlights)
(let* ((cnt 0)
(idx 0)
(pos (region-end))
(hl-start (max (point-min) (- (point) 3000)))
(hl-end (min (point-max) (+ (point) 3000))))
(setq meow--expand-nav-function nil)
(setq meow--visual-command this-command)
(save-mark-and-excursion
(meow--remove-search-indicator)
(let ((case-fold-search nil))
(goto-char (point-min))
(while (re-search-forward regexp (point-max) t)
(cl-incf cnt)
(when (<= (match-beginning 0) pos (match-end 0))
(setq idx cnt))
(when (<= hl-start (point) hl-end)
(meow--highlight-match)))
(meow--show-indicator pos idx cnt))))))
(defun meow--format-full-width-number (n)
(alist-get n meow-full-width-number-position-chars))
(defun meow--highlight-num-positions-1 (nav-function faces bound)
(save-mark-and-excursion
(let ((pos (point))
(i 1))
(cl-loop for face in faces
do
(if-let* ((r (funcall nav-function)))
(if (> r 0)
(save-mark-and-excursion
(goto-char r)
(if (or (> (point) (cdr bound))
(< (point) (car bound))
(= (point) pos))
(cl-return)
(setq pos (point))
(let ((ov (make-overlay (point) (1+ (point))))
(before-full-width-char (and (char-after) (= 2 (char-width (char-after)))))
(before-newline (equal 10 (char-after)))
(before-tab (equal 9 (char-after)))
(n (mod i 10)))
(overlay-put ov 'window (selected-window))
(cond
(before-newline
(overlay-put ov 'display (concat (propertize (format "%s" n) 'face face) "\n")))
(before-tab
(overlay-put ov 'display (concat (propertize (format "%s" n) 'face face) "\t")))
(before-full-width-char
(overlay-put ov 'display (propertize (format "%s" (meow--format-full-width-number n)) 'face face)))
(t
(overlay-put ov 'display (propertize (format "%s" n) 'face face))))
(push ov meow--expand-overlays)
(cl-incf i))))
(cl-return))
(cl-return))))))
(defun meow--highlight-num-positions (num)
(setq meow--visual-command this-command)
(meow--remove-expand-highlights)
(meow--remove-match-highlights)
(meow--remove-search-indicator)
(let ((bound (cons (window-start) (window-end)))
(faces (seq-take
(if (meow--direction-backward-p)
(seq-concatenate
'list
(make-list 10 'meow-position-highlight-reverse-number-1)
(make-list 10 'meow-position-highlight-reverse-number-2)
(make-list 10 'meow-position-highlight-reverse-number-3))
(seq-concatenate
'list
(make-list 10 'meow-position-highlight-number-1)
(make-list 10 'meow-position-highlight-number-2)
(make-list 10 'meow-position-highlight-number-3)))
num))
(nav-function (if (meow--direction-backward-p)
(car meow--expand-nav-function)
(cdr meow--expand-nav-function))))
(meow--highlight-num-positions-1 nav-function faces bound)
(when meow--highlight-timer
(cancel-timer meow--highlight-timer)
(setq meow--highlight-timer nil))
(setq meow--highlight-timer
(run-at-time
(time-add (current-time)
(seconds-to-time meow-expand-hint-remove-delay))
nil
#'meow--remove-expand-highlights))))
(defun meow--select-expandable-p ()
(when (meow-normal-mode-p)
(when-let* ((sel (meow--selection-type)))
(let ((type (cdr sel)))
(member type '(word symbol line block find till))))))
(defun meow--maybe-highlight-num-positions (&optional nav-functions)
(when (and (meow-normal-mode-p)
(meow--select-expandable-p))
(setq meow--expand-nav-function (or nav-functions meow--expand-nav-function))
(when (and (not (member major-mode meow-expand-exclude-mode-list))
meow--expand-nav-function)
(let ((num (or
(alist-get (cdr (meow--selection-type)) meow-expand-hint-counts)
0)))
(meow--highlight-num-positions num)))))
(provide 'meow-visual)
;;; meow-visual.el ends here