-
Notifications
You must be signed in to change notification settings - Fork 14
/
arrow.tcl
579 lines (524 loc) · 22.1 KB
/
arrow.tcl
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
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
# ------------------------------------------------------------------------------
# arrow.tcl
# This file is part of Unifix BWidget Toolkit
# $Id: arrow.tcl,v 1.11 2009/09/06 21:03:04 oberdorfer Exp $
# ------------------------------------------------------------------------------
# Index of commands:
# Public commands
# - ArrowButton::create
# - ArrowButton::configure
# - ArrowButton::cget
# - ArrowButton::invoke
# Private commands (redraw commands)
# - ArrowButton::_redraw
# - ArrowButton::_redraw_state
# - ArrowButton::_redraw_relief
# - ArrowButton::_redraw_whole
# Private commands (event bindings)
# - ArrowButton::_destroy
# - ArrowButton::_enter
# - ArrowButton::_leave
# - ArrowButton::_press
# - ArrowButton::_release
# - ArrowButton::_repeat
# - ArrowButton::_themechanged
# ------------------------------------------------------------------------------
namespace eval ArrowButton {
Widget::define ArrowButton arrow DynamicHelp
Widget::tkinclude ArrowButton button .c \
include [list \
-borderwidth -bd \
-relief -highlightbackground \
-highlightcolor -highlightthickness -takefocus]
Widget::declare ArrowButton [list \
[list -type Enum button 0 [list arrow button]] \
[list -dir Enum top 0 [list top bottom left right]] \
[list -width Int 15 0 "%d >= 0"] \
[list -height Int 15 0 "%d >= 0"] \
[list -ipadx Int 0 0 "%d >= 0"] \
[list -ipady Int 0 0 "%d >= 0"] \
[list -clean Int 2 0 "%d >= 0 && %d <= 2"] \
\
[list -foreground Color "SystemWindowText" 0] \
[list -background Color "SystemWindowFrame" 0] \
[list -activeforeground Color "SystemButtonText" 0] \
[list -activebackground Color "SystemButtonFace" 0] \
[list -disabledforeground Color "SystemDisabledText" 0] \
[list -troughcolor Color "SystemScrollbar" 0] \
\
[list -state TkResource "" 0 button] \
[list -arrowbd Int 1 0 "%d >= 0 && %d <= 2"] \
[list -arrowrelief Enum raised 0 [list raised sunken]] \
[list -command String "" 0] \
[list -armcommand String "" 0] \
[list -disarmcommand String "" 0] \
[list -repeatdelay Int 0 0 "%d >= 0"] \
[list -repeatinterval Int 0 0 "%d >= 0"] \
[list -fg Synonym -foreground] \
[list -bg Synonym -background] \
]
DynamicHelp::include ArrowButton balloon
bind BwArrowButtonC <Enter> {ArrowButton::_enter %W}
bind BwArrowButtonC <Leave> {ArrowButton::_leave %W}
bind BwArrowButtonC <ButtonPress-1> {ArrowButton::_press %W}
bind BwArrowButtonC <ButtonRelease-1> {ArrowButton::_release %W}
bind BwArrowButtonC <Key-space> {ArrowButton::invoke %W; break}
bind BwArrowButtonC <Return> {ArrowButton::invoke %W; break}
bind BwArrowButton <Configure> {ArrowButton::_redraw_whole %W %w %h}
bind BwArrowButton <Destroy> {ArrowButton::_destroy %W}
if {[lsearch [bindtags .] ArrowButtonThemeChanged] < 0} {
bindtags . [linsert [bindtags .] 1 ArrowButtonThemeChanged]
}
variable _grab
variable _moved
array set _grab {current "" pressed "" oldstate "" oldrelief ""}
}
# -----------------------------------------------------------------------------
# Command ArrowButton::create
# -----------------------------------------------------------------------------
proc ArrowButton::create { path args } {
# Initialize configuration mappings and parse arguments
array set submaps [list ArrowButton [list ] .c [list ]]
array set submaps [Widget::parseArgs ArrowButton $args]
# Create the class frame (so we can do the option db queries)
frame $path -class ArrowButton -borderwidth 0 -highlightthickness 0
Widget::initFromODB ArrowButton $path $submaps(ArrowButton)
# Create the canvas with the initial options
eval [list canvas $path.c] $submaps(.c)
# Compute the width and height of the canvas from the width/height
# of the ArrowButton and the borderwidth/hightlightthickness.
set w [Widget::getMegawidgetOption $path -width]
set h [Widget::getMegawidgetOption $path -height]
set bd [Widget::cget $path -borderwidth]
set ht [Widget::cget $path -highlightthickness]
set pad [expr {2*($bd+$ht)}]
$path.c configure -width [expr {$w-$pad}] -height [expr {$h-$pad}]
bindtags $path [list $path BwArrowButton [winfo toplevel $path] all]
bindtags $path.c [list $path.c BwArrowButtonC [winfo toplevel $path.c] all]
pack $path.c -expand yes -fill both
bind ArrowButtonThemeChanged <<ThemeChanged>> \
"+ [namespace current]::_themechanged $path"
DynamicHelp::sethelp $path $path.c 1
set ::ArrowButton::_moved($path) 0
return [Widget::create ArrowButton $path]
}
# -----------------------------------------------------------------------------
# Command ArrowButton::configure
# -----------------------------------------------------------------------------
proc ArrowButton::configure { path args } {
set res [Widget::configure $path $args]
set ch1 [expr {[Widget::hasChanged $path -width w] |
[Widget::hasChanged $path -height h] |
[Widget::hasChanged $path -borderwidth bd] |
[Widget::hasChanged $path -highlightthickness ht]}]
set ch2 [expr {[Widget::hasChanged $path -type val] |
[Widget::hasChanged $path -ipadx val] |
[Widget::hasChanged $path -ipady val] |
[Widget::hasChanged $path -arrowbd val] |
[Widget::hasChanged $path -clean val] |
[Widget::hasChanged $path -dir val]}]
if { $ch1 } {
set pad [expr {2*($bd+$ht)}]
$path.c configure \
-width [expr {$w-$pad}] -height [expr {$h-$pad}] \
-borderwidth $bd -highlightthickness $ht
set ch2 1
}
if { $ch2 } {
_redraw_whole $path [winfo width $path] [winfo height $path]
} else {
_redraw_relief $path
_redraw_state $path
}
DynamicHelp::sethelp $path $path.c
return $res
}
# -----------------------------------------------------------------------------
# Command ArrowButton::cget
# -----------------------------------------------------------------------------
proc ArrowButton::cget { path option } {
return [Widget::cget $path $option]
}
# ------------------------------------------------------------------------------
# Command ArrowButton::invoke
# ------------------------------------------------------------------------------
proc ArrowButton::invoke { path } {
if { ![string equal [winfo class $path] "ArrowButton"] } {
set path [winfo parent $path]
}
if { ![string equal [Widget::getoption $path -state] "disabled"] } {
set oldstate [Widget::getoption $path -state]
if { [string equal [Widget::getoption $path -type] "button"] } {
set oldrelief [Widget::getoption $path -relief]
configure $path -state active -relief sunken
} else {
set oldrelief [Widget::getoption $path -arrowrelief]
configure $path -state active -arrowrelief sunken
}
update idletasks
if {[llength [set cmd [Widget::getoption $path -armcommand]]]} {
uplevel \#0 $cmd
}
after 10
if { [string equal [Widget::getoption $path -type] "button"] } {
configure $path -state $oldstate -relief $oldrelief
} else {
configure $path -state $oldstate -arrowrelief $oldrelief
}
if {[llength [set cmd [Widget::getoption $path -disarmcommand]]]} {
uplevel \#0 $cmd
}
if {[llength [set cmd [Widget::getoption $path -command]]]} {
uplevel \#0 $cmd
}
}
}
# ------------------------------------------------------------------------------
# Command ArrowButton::_redraw
# ------------------------------------------------------------------------------
proc ArrowButton::_redraw { path width height } {
variable _moved
set _moved($path) 0
set type [Widget::getoption $path -type]
set dir [Widget::getoption $path -dir]
set bd [expr {[$path.c cget -borderwidth] + [$path.c cget -highlightthickness] + 1}]
set clean [Widget::getoption $path -clean]
if { [string equal $type "arrow"] } {
if { [set id [$path.c find withtag rect]] == "" } {
$path.c create rectangle $bd $bd [expr {$width-$bd-1}] [expr {$height-$bd-1}] -tags rect
} else {
$path.c coords $id $bd $bd [expr {$width-$bd-1}] [expr {$height-$bd-1}]
}
$path.c lower rect
set arrbd [Widget::getoption $path -arrowbd]
set bd [expr {$bd+$arrbd-1}]
} else {
$path.c delete rect
}
# w and h are max width and max height of arrow
set w [expr {$width - 2*([Widget::getoption $path -ipadx]+$bd)}]
set h [expr {$height - 2*([Widget::getoption $path -ipady]+$bd)}]
if { $w < 2 } {set w 2}
if { $h < 2 } {set h 2}
if { $clean > 0 } {
# arrange for base to be odd
if { [string equal $dir "top"] || [string equal $dir "bottom"] } {
if { !($w % 2) } {
incr w -1
}
if { $clean == 2 } {
# arrange for h = (w+1)/2
set h2 [expr {($w+1)/2}]
if { $h2 > $h } {
set w [expr {2*$h-1}]
} else {
set h $h2
}
}
} else {
if { !($h % 2) } {
incr h -1
}
if { $clean == 2 } {
# arrange for w = (h+1)/2
set w2 [expr {($h+1)/2}]
if { $w2 > $w } {
set h [expr {2*$w-1}]
} else {
set w $w2
}
}
}
}
set x0 [expr {($width-$w)/2}]
set y0 [expr {($height-$h)/2}]
set x1 [expr {$x0+$w-1}]
set y1 [expr {$y0+$h-1}]
switch $dir {
top {
set xd [expr {($x0+$x1)/2}]
if { [set id [$path.c find withtag poly]] == "" } {
$path.c create polygon $x0 $y1 $x1 $y1 $xd $y0 -tags poly
} else {
$path.c coords $id $x0 $y1 $x1 $y1 $xd $y0
}
if { [string equal $type "arrow"] } {
if { [set id [$path.c find withtag bot]] == "" } {
$path.c create line $x0 $y1 $x1 $y1 $xd $y0 -tags bot
} else {
$path.c coords $id $x0 $y1 $x1 $y1 $xd $y0
}
if { [set id [$path.c find withtag top]] == "" } {
$path.c create line $x0 $y1 $xd $y0 -tags top
} else {
$path.c coords $id $x0 $y1 $xd $y0
}
$path.c itemconfigure top -width $arrbd
$path.c itemconfigure bot -width $arrbd
} else {
$path.c delete top
$path.c delete bot
}
}
bottom {
set xd [expr {($x0+$x1)/2}]
if { [set id [$path.c find withtag poly]] == "" } {
$path.c create polygon $x1 $y0 $x0 $y0 $xd $y1 -tags poly
} else {
$path.c coords $id $x1 $y0 $x0 $y0 $xd $y1
}
if { [string equal $type "arrow"] } {
if { [set id [$path.c find withtag top]] == "" } {
$path.c create line $x1 $y0 $x0 $y0 $xd $y1 -tags top
} else {
$path.c coords $id $x1 $y0 $x0 $y0 $xd $y1
}
if { [set id [$path.c find withtag bot]] == "" } {
$path.c create line $x1 $y0 $xd $y1 -tags bot
} else {
$path.c coords $id $x1 $y0 $xd $y1
}
$path.c itemconfigure top -width $arrbd
$path.c itemconfigure bot -width $arrbd
} else {
$path.c delete top
$path.c delete bot
}
}
left {
set yd [expr {($y0+$y1)/2}]
if { [set id [$path.c find withtag poly]] == "" } {
$path.c create polygon $x1 $y0 $x1 $y1 $x0 $yd -tags poly
} else {
$path.c coords $id $x1 $y0 $x1 $y1 $x0 $yd
}
if { [string equal $type "arrow"] } {
if { [set id [$path.c find withtag bot]] == "" } {
$path.c create line $x1 $y0 $x1 $y1 $x0 $yd -tags bot
} else {
$path.c coords $id $x1 $y0 $x1 $y1 $x0 $yd
}
if { [set id [$path.c find withtag top]] == "" } {
$path.c create line $x1 $y0 $x0 $yd -tags top
} else {
$path.c coords $id $x1 $y0 $x0 $yd
}
$path.c itemconfigure top -width $arrbd
$path.c itemconfigure bot -width $arrbd
} else {
$path.c delete top
$path.c delete bot
}
}
right {
set yd [expr {($y0+$y1)/2}]
if { [set id [$path.c find withtag poly]] == "" } {
$path.c create polygon $x0 $y1 $x0 $y0 $x1 $yd -tags poly
} else {
$path.c coords $id $x0 $y1 $x0 $y0 $x1 $yd
}
if { [string equal $type "arrow"] } {
if { [set id [$path.c find withtag top]] == "" } {
$path.c create line $x0 $y1 $x0 $y0 $x1 $yd -tags top
} else {
$path.c coords $id $x0 $y1 $x0 $y0 $x1 $yd
}
if { [set id [$path.c find withtag bot]] == "" } {
$path.c create line $x0 $y1 $x1 $yd -tags bot
} else {
$path.c coords $id $x0 $y1 $x1 $yd
}
$path.c itemconfigure top -width $arrbd
$path.c itemconfigure bot -width $arrbd
} else {
$path.c delete top
$path.c delete bot
}
}
}
}
# ------------------------------------------------------------------------------
# Command ArrowButton::_redraw_state
# ------------------------------------------------------------------------------
proc ArrowButton::_redraw_state { path } {
set state [Widget::getoption $path -state]
if { [string equal [Widget::getoption $path -type] "button"] } {
switch $state {
normal {set bg -background; set fg -foreground}
active {set bg -activebackground; set fg -activeforeground}
disabled {set bg -background; set fg -disabledforeground}
}
set fg [Widget::getoption $path $fg]
$path.c configure -background [Widget::getoption $path $bg]
$path.c itemconfigure poly -fill $fg -outline $fg
} else {
switch $state {
normal {set stipple ""; set bg [Widget::getoption $path -background] }
active {set stipple ""; set bg [Widget::getoption $path -activebackground] }
disabled {set stipple gray50; set bg black }
}
set thrc [Widget::getoption $path -troughcolor]
$path.c configure -background [Widget::getoption $path -background]
$path.c itemconfigure rect -fill $thrc -outline $thrc
$path.c itemconfigure poly -fill $bg -outline $bg -stipple $stipple
}
}
# ------------------------------------------------------------------------------
# Command ArrowButton::_redraw_relief
# ------------------------------------------------------------------------------
proc ArrowButton::_redraw_relief { path } {
variable _moved
if { [string equal [Widget::getoption $path -type] "button"] } {
if { [string equal [Widget::getoption $path -relief] "sunken"] } {
if { !$_moved($path) } {
$path.c move poly 1 1
set _moved($path) 1
}
} else {
if { $_moved($path) } {
$path.c move poly -1 -1
set _moved($path) 0
}
}
} else {
set col3d [BWidget::get3dcolor $path [Widget::getoption $path -background]]
switch [Widget::getoption $path -arrowrelief] {
raised {set top [lindex $col3d 1]; set bot [lindex $col3d 0]}
sunken {set top [lindex $col3d 0]; set bot [lindex $col3d 1]}
}
$path.c itemconfigure top -fill $top
$path.c itemconfigure bot -fill $bot
}
}
# ------------------------------------------------------------------------------
# Command ArrowButton::_redraw_whole
# ------------------------------------------------------------------------------
proc ArrowButton::_redraw_whole { path width height } {
_redraw $path $width $height
_redraw_relief $path
_redraw_state $path
}
# ------------------------------------------------------------------------------
# Command ArrowButton::_enter
# ------------------------------------------------------------------------------
proc ArrowButton::_enter { path } {
variable _grab
set path [winfo parent $path]
set _grab(current) $path
if { ![string equal [Widget::getoption $path -state] "disabled"] } {
set _grab(oldstate) [Widget::getoption $path -state]
configure $path -state active
if { $_grab(pressed) == $path } {
if { [string equal [Widget::getoption $path -type] "button"] } {
set _grab(oldrelief) [Widget::getoption $path -relief]
configure $path -relief sunken
} else {
set _grab(oldrelief) [Widget::getoption $path -arrowrelief]
configure $path -arrowrelief sunken
}
}
}
}
# ------------------------------------------------------------------------------
# Command ArrowButton::_leave
# ------------------------------------------------------------------------------
proc ArrowButton::_leave { path } {
variable _grab
set path [winfo parent $path]
set _grab(current) ""
if { ![string equal [Widget::getoption $path -state] "disabled"] } {
configure $path -state $_grab(oldstate)
if { $_grab(pressed) == $path } {
if { [string equal [Widget::getoption $path -type] "button"] } {
configure $path -relief $_grab(oldrelief)
} else {
configure $path -arrowrelief $_grab(oldrelief)
}
}
}
}
# ------------------------------------------------------------------------------
# Command ArrowButton::_press
# ------------------------------------------------------------------------------
proc ArrowButton::_press { path } {
variable _grab
set path [winfo parent $path]
if { ![string equal [Widget::getoption $path -state] "disabled"] } {
set _grab(pressed) $path
if { [string equal [Widget::getoption $path -type] "button"] } {
set _grab(oldrelief) [Widget::getoption $path -relief]
configure $path -relief sunken
} else {
set _grab(oldrelief) [Widget::getoption $path -arrowrelief]
configure $path -arrowrelief sunken
}
if {[llength [set cmd [Widget::getoption $path -armcommand]]]} {
uplevel \#0 $cmd
if { [set delay [Widget::getoption $path -repeatdelay]] > 0 ||
[set delay [Widget::getoption $path -repeatinterval]] > 0 } {
after $delay [list ArrowButton::_repeat $path]
}
}
}
}
# ------------------------------------------------------------------------------
# Command ArrowButton::_release
# ------------------------------------------------------------------------------
proc ArrowButton::_release { path } {
variable _grab
set path [winfo parent $path]
if { $_grab(pressed) == $path } {
set _grab(pressed) ""
if { [string equal [Widget::getoption $path -type] "button"] } {
configure $path -relief $_grab(oldrelief)
} else {
configure $path -arrowrelief $_grab(oldrelief)
}
if {[llength [set cmd [Widget::getoption $path -disarmcommand]]]} {
uplevel \#0 $cmd
}
if { $_grab(current) == $path &&
![string equal [Widget::getoption $path -state] "disabled"] &&
[llength [set cmd [Widget::getoption $path -command]]]} {
uplevel \#0 $cmd
}
}
}
# ------------------------------------------------------------------------------
# Command ArrowButton::_repeat
# ------------------------------------------------------------------------------
proc ArrowButton::_repeat { path } {
variable _grab
if { $_grab(current) == $path && $_grab(pressed) == $path &&
![string equal [Widget::getoption $path -state] "disabled"] &&
[llength [set cmd [Widget::getoption $path -armcommand]]]} {
uplevel \#0 $cmd
}
if { $_grab(pressed) == $path &&
([set delay [Widget::getoption $path -repeatinterval]] > 0 ||
[set delay [Widget::getoption $path -repeatdelay]] > 0) } {
after $delay [list ArrowButton::_repeat $path]
}
}
# ------------------------------------------------------------------------------
# Command ArrowButton::_destroy
# ------------------------------------------------------------------------------
proc ArrowButton::_destroy { path } {
variable _moved
Widget::destroy $path
unset _moved($path)
}
# ----------------------------------------------------------------------------
# Command Tree::_themechanged
# ----------------------------------------------------------------------------
proc ArrowButton::_themechanged { path } {
if { ![winfo exists $path] } { return }
BWidget::set_themedefaults
$path configure \
-foreground $BWidget::colors(SystemWindowText) \
-background $BWidget::colors(SystemWindowFrame) \
-activeforeground $BWidget::colors(SystemButtonText) \
-activebackground $BWidget::colors(SystemButtonFace) \
-disabledforeground $BWidget::colors(SystemDisabledText) \
-troughcolor $BWidget::colors(SystemScrollbar)
}