-
Notifications
You must be signed in to change notification settings - Fork 3
/
Copy pathsvg-mode-line-themes-core.el
492 lines (439 loc) · 15.1 KB
/
svg-mode-line-themes-core.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
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
;; Hi-lock: (("(\\(smt/deftype\\)" (1 'font-lock-keyword-face append)))
;; Hi-lock: end
(require 'cl)
(or (require 'xmlgen nil t)
(require 'xmlgen "xml-gen"))
(defvar smt/user-selected-window nil)
(defvar smt/current-theme nil)
(defmacro smt/deftype (name &rest props)
(declare (indent 1))
(let* (( maker-sym
(intern (concat "smt/make-"
(symbol-name name))))
( \definer-sym
(intern (concat "smt/def" (symbol-name name))))
( namespace-sym
(intern (concat "smt/" (symbol-name name) "s")))
( predicate-sym
(intern (concat "smt/" (symbol-name name) "-p")))
( getter-prefix
(concat "smt/"
(substring (symbol-name name)
0 1)
"-"))
( get-sym
(intern (concat getter-prefix
"get")))
( prototype-getter-sym
(intern (concat getter-prefix
"prototype"))))
`(progn
(defvar ,namespace-sym nil)
(defun ,maker-sym (&rest pairs)
(unless (memq :prototype pairs)
(setf (getf pairs :prototype) 'archetype))
pairs)
(defmacro ,definer-sym (name &rest pairs)
(declare (indent 1))
`(let* (( object (,',maker-sym ,@pairs)))
(setq ,',namespace-sym (remove-if (lambda (elem) (eq (car elem) ',name))
,',namespace-sym)
,',namespace-sym (acons ',name object ,',namespace-sym))
object))
(put (quote ,definer-sym) 'common-lisp-indent-function
'(1 &body))
(,definer-sym archetype
,@(append (list :prototype nil :type (list 'quote name))
props))
,@(progn
(let (result)
(dotimes (iter (length props))
(when (evenp iter)
(push `(defun ,(intern
(concat getter-prefix
(substring
(symbol-name
(nth iter props))
1)))
(,name)
(smt/maybe-funcall
,(list get-sym name (nth iter props))
,name))
result)))
result))
(defun ,get-sym (object property)
(smt/get object property ,namespace-sym))
(defun ,prototype-getter-sym (object)
(,get-sym object :prototype))
(defun ,predicate-sym (object)
(and (consp object)
(eq ',name (smt/get object :type ,namespace-sym))))
)))
(put 'smt/deftype 'common-lisp-indent-function
'(1 &body))
(defun smt/get (object property &optional namespace resolution-stack)
(when (symbolp object)
(setq object (cdr (assoc object namespace))))
(when (memq object resolution-stack)
(error "Cyclic inheritance"))
(cond ( (memq property object)
(getf object property))
( (getf object :prototype)
(let* (( prototype (getf object :prototype)))
(smt/get prototype
property
namespace
(cons object resolution-stack))))))
(defun smt/maybe-funcall (thing &rest args)
(if (or (functionp thing)
;; Will create an error should any proprty
;; contain a symbol that is not fboundp.
(and (symbolp thing) (not (booleanp thing))))
(apply thing args)
thing))
;;;; Types
;;; Theme
(smt/deftype theme
:background nil
:overlay nil
:defs nil
:export 'smt/t-export-default
:style 'smt/style-default
:local-widgets nil
:pixel-height (lambda (theme) (frame-char-height))
:rows nil)
;;; Row
(smt/deftype row
:align "left"
:baseline 'smt/text-base-line-default
:width 'smt/r-width-default
:margin 0
:always-visible nil
:widgets nil
:style nil
:export 'smt/r-export-default)
(defun smt/make-row (&rest pairs)
(unless (memq :prototype pairs)
(setf (getf pairs :prototype) 'archetype))
(when (equal (getf pairs :align) "center")
(setf (getf pairs :align) "left")
(setf (getf pairs :margin)
(lambda (row)
(floor
(/ (- (smt/window-width)
(smt/r-width row))
2)))))
pairs)
(defun smt/r-export (row theme)
(smt/maybe-funcall
(smt/r-get row :export)
row theme))
;;; Widget
(smt/deftype widget
:style 'smt/style-default
:on-click nil
:text ""
:width 'smt/w-width-default
:export 'smt/w-export-default)
(defun smt/w-export (widget row theme)
(smt/maybe-funcall
(smt/w-get widget :export)
widget row theme))
(defun smt/w-on-click (widget)
(smt/w-get widget :on-click))
;;; EOF Types
;;;; Functions
(defun smt/window-active-p ()
"Meant to be used from within mode-line-format."
(or (eq smt/user-selected-window (selected-window))
(and (eq (last-nonminibuffer-frame) (selected-frame))
(not (cadr (window-list))))))
(defun smt/ranges-overlapping-p (r1 r2)
(and (> (cdr r1) (car r2))
(> (cdr r2) (car r1))))
(defun smt/r-range (row)
(let (( left (smt/r-left row)))
(cons left (+ left (smt/r-width row)))))
(defun smt/t-visible-rows (theme)
(let* (( rows (mapcar (apply-partially 'smt/t-normalize-row theme)
(smt/t-rows theme))))
(dotimes (iter (length rows))
(when (nth iter rows)
(let* (( current-row (nth iter rows))
( following-rows (nthcdr (1+ iter) rows))
( current-row-range
(smt/r-range current-row)))
(dotimes (iter2 (length following-rows))
(when (and (nth iter2 following-rows)
(not (smt/r-always-visible
(nth iter2 following-rows))))
(let (( following-row-range
(smt/r-range (nth iter2 following-rows))))
(when (or (smt/ranges-overlapping-p
current-row-range
following-row-range)
(minusp (car following-row-range)))
(setf (nth iter2 following-rows) nil))))))))
(remove-if 'null rows)))
(defun smt/t-export-default-xml (theme)
(let* (( width (smt/window-pixel-width))
( height (smt/t-pixel-height theme))
( rows (smt/t-visible-rows theme)))
(xmlgen
`(svg
:xmlns "http://www.w3.org/2000/svg"
:xmlns:xlink "http://www.w3.org/1999/xlink"
:width ,width
:height ,height
,@(smt/t-defs theme)
,@(smt/t-background theme)
,@(mapcar
(lambda (row) (smt/r-export row theme))
rows)
,@(smt/t-overlay theme)
))))
(defun* smt/define-keys (keymap &rest bindings)
"Syntax example:
\(smt/define-keys fundamental-mode-map
(kbd \"h\") 'backward-char
(kbd \"l\") 'forward-char\)
Returns the keymap in the end."
(declare (indent 1))
(while bindings
(define-key keymap (pop bindings) (pop bindings)))
keymap)
(put 'smt/define-keys 'common-lisp-indent-function
'(4 &body))
(defun* smt/t-export-default (theme)
;; (return-from smt/t-export-default)
(let* ((xml (smt/t-export-default-xml theme))
(image (create-image xml 'svg t)))
(propertize
"."
'pointer 'vdrag
'display image
'keymap (let (( map (make-sparse-keymap)))
(smt/define-keys map
(kbd "<mouse-1>") 'smt/receive-click
(kbd "<nil> <header-line> <mouse-1>") 'smt/receive-click
(kbd "<nil> <mode-line> <mouse-1>") 'smt/receive-click
(kbd "<header-line> <mouse-1>") 'smt/receive-click
(kbd "<mode-line> <mouse-1>") 'smt/receive-click)
map))))
(defun smt/r-width-default (row)
(let (( widgets (smt/r-widgets row))
( total-width 0))
(dolist (widget widgets)
(setq widget
(smt/t-normalize-widget
(smt/get-current-theme)
widget))
(incf total-width (smt/w-width widget)))
total-width))
(defun smt/t-normalize-widget (theme widget-or-name)
(if (smt/widget-p widget-or-name)
widget-or-name
(or (cdr (assoc widget-or-name (smt/t-local-widgets theme)))
(cdr (assoc widget-or-name smt/widgets))
(error "Can't process widget: %s" widget-or-name))))
(defun smt/t-normalize-row (theme row-or-name)
(if (smt/row-p row-or-name)
row-or-name
(or (cdr (assoc row-or-name smt/rows))
(error "Can't process row: %s" row-or-name))))
(defun smt/r-export-default (row theme)
`(text
:text-anchor
,(if (equal (smt/r-align row) "left")
"start"
"end")
:x ,(if (equal (smt/r-align row) "left")
(* (smt/r-margin row)
(frame-char-width))
(- (smt/window-pixel-width)
(* (smt/r-margin row)
(frame-char-width))))
:y ,(smt/r-baseline row)
,@(mapcar (lambda (widget-or-name)
(smt/w-export
(smt/t-normalize-widget
theme widget-or-name)
row theme))
(smt/r-widgets row))))
(defun smt/w-export-default (widget row theme)
`(tspan
,@(smt/combine-styles
(smt/t-style theme)
(smt/r-style row)
(smt/w-style widget))
,(smt/w-text widget)))
(defun smt/w-width-default (widget)
(length (smt/w-text widget)))
(defun* smt/r-receive-click (row theme event)
(setq row (smt/t-normalize-row theme row))
(let* (( click-char-location
(floor (/ (car (third (second event)))
(frame-char-width))))
( window-width (smt/window-width))
( widgets (smt/r-widgets row))
( offset (smt/r-left row))
current-widget-width)
(dolist (widget widgets)
(setq widget (smt/t-normalize-widget theme widget))
(setq current-widget-width (smt/w-width widget))
(when (and (<= offset click-char-location)
(< click-char-location
(+ offset current-widget-width)))
(when (smt/w-on-click widget)
(funcall (smt/w-on-click widget) widget event)
(return-from smt/r-receive-click t))
(error "Widget has no on-click handler"))
(setq offset (+ offset current-widget-width)))
nil))
(defun* smt/t-receive-click (theme event)
(let (( rows (smt/t-visible-rows theme)))
(ignore-errors
(dolist (row rows)
(setq row (smt/t-normalize-row theme row))
(when (smt/r-receive-click row theme event)
(return-from smt/t-receive-click))))
(message "")))
(defun smt/receive-click (event)
(interactive "e")
(mouse-set-point event)
(smt/t-receive-click
(smt/get-current-theme)
event))
(defun smt/r-left (row)
(let (( margin (smt/r-margin row))
( width (smt/r-width row)))
(if (equal "left" (smt/r-align row))
margin
(- (smt/window-width) (+ margin width)))))
;;; Methods EOF
(defun smt/window-pixel-width ()
(let (( window-edges (window-pixel-edges)))
(- (nth 2 window-edges) (nth 0 window-edges))))
(defun smt/window-width ()
(let (( window-edges (window-edges)))
(- (nth 2 window-edges) (nth 0 window-edges))))
(defun smt/points-to-pixels (points)
;; points = pixels * 72 / 96
(/ (* 96 points) 72))
(defun smt/pixels-to-points (pixels)
(/ (* pixels 72) 96))
(defun smt/font-pixel-size ()
(ceiling
(smt/points-to-pixels
(/ (face-attribute 'default :height) 10))))
(defun smt/text-base-line-default (widget)
;; Should be this one, but empirically it doesn't work as well
;; (smt/font-pixel-size)
(let ((font-size (* 0.7 (smt/font-pixel-size))))
(floor
(+ font-size
(/ (- (frame-char-height)
font-size)
2)))))
(defun smt/style-default (theme)
`(:font-family
,(face-attribute 'default :family)
:font-size
;; ,(- (frame-char-height) 4)
,(concat (int-to-string
(ceiling
(/ (face-attribute 'default :height)
10.0)))
"pt")
))
(defun* smt/filter-inset (&optional (dark-opacity 0.5) (light-opacity 0.5))
`((filter
:id "inset"
(feOffset :in "sourceGraphic" :dx -1 :dy -1 :result "o_dark")
(feOffset :in "sourceGraphic" :dx 2 :dy 2 :result "o_light")
;; http://www.w3.org/TR/SVG/filters.html#feColorMatrixElement
;; http://en.wikipedia.org/wiki/Matrix_multiplication#Illustration
(feColorMatrix
:type "matrix"
:in "o_light" :result "o_light"
:values ,(concat
"0 0 0 0 1 "
"0 0 0 0 1 "
"0 0 0 0 1 "
(format
"0 0 0 %s 0 "
light-opacity)
))
(feColorMatrix
:type "matrix"
:in "o_dark" :result "o_dark"
:values ,(concat
"0 0 0 0 -1 "
"0 0 0 0 -1 "
"0 0 0 0 -1 "
(format
"0 0 0 %s 0 "
dark-opacity)
))
(feMerge
(feMergeNode :in "o_dark")
(feMergeNode :in "o_light")
(feMergeNode :in "SourceGraphic")
))))
(defun smt/combine-styles (&rest plists)
(cond
( (= 1 (length plists))
(car plists))
( (null plists)
nil)
( t (let (( plistC (copy-list (car plists)))
( plistB (cadr plists))
key val)
(dotimes (iter (/ (length plistB) 2))
(setq key (nth (* 2 iter) plistB)
val (nth (1+ (* 2 iter)) plistB))
(if (null val)
(remf plistC key)
(setf (getf plistC key) val)))
(apply 'smt/combine-styles plistC (cddr plists))
))))
(defun smt/modeline-format ()
(let ((theme (smt/get-current-theme)))
(cond ( (smt/theme-p theme)
(smt/t-export theme))
( (or (functionp theme)
(symbolp theme))
(funcall theme))
( t theme))))
(defun smt/get-current-theme ()
(cdr (assoc smt/current-theme smt/themes)))
(defun smt/get-widget-by-name (name)
(cdr (assoc name smt/widgets)))
(defun smt/reset ()
(interactive)
(let (( tests-where-loaded
(featurep 'svg-mode-line-themes-tests)))
(ignore-errors
(unload-feature 'svg-mode-line-themes t))
(ignore-errors
(unload-feature 'svg-mode-line-themes-widgets t))
(ignore-errors
(unload-feature 'svg-mode-line-themes-core t))
(ignore-errors
(unload-feature 'svg-mode-line-themes-nasa t))
(ignore-errors
(unload-feature 'svg-mode-line-themes-black-crystal t))
(ignore-errors
(unload-feature 'svg-mode-line-themes-diesel t))
(require (quote svg-mode-line-themes))
(when tests-where-loaded
(ignore-errors
(unload-feature 'svg-mode-line-themes-tests t))
(require (quote svg-mode-line-themes-tests)))))
(defun smt/register-user-location (&optional ignore)
(setq smt/user-selected-window (selected-window)))
;; Local Variables:
;; eval: (hi-lock-mode)
;; End:
(provide 'svg-mode-line-themes-core)
;;; svg-mode-line-themes-core.el ends here