-
-
Notifications
You must be signed in to change notification settings - Fork 30.4k
/
editor.py
1761 lines (1568 loc) · 67.7 KB
/
editor.py
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
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
import importlib.abc
import importlib.util
import os
import platform
import re
import string
import sys
import tokenize
import traceback
import webbrowser
from tkinter import *
from tkinter.font import Font
from tkinter.ttk import Scrollbar
from tkinter import simpledialog
from tkinter import messagebox
from idlelib.config import idleConf
from idlelib import configdialog
from idlelib import grep
from idlelib import help
from idlelib import help_about
from idlelib import macosx
from idlelib.multicall import MultiCallCreator
from idlelib import pyparse
from idlelib import query
from idlelib import replace
from idlelib import search
from idlelib.tree import wheel_event
from idlelib.util import py_extensions
from idlelib import window
# The default tab setting for a Text widget, in average-width characters.
TK_TABWIDTH_DEFAULT = 8
_py_version = ' (%s)' % platform.python_version()
darwin = sys.platform == 'darwin'
def _sphinx_version():
"Format sys.version_info to produce the Sphinx version string used to install the chm docs"
major, minor, micro, level, serial = sys.version_info
# TODO remove unneeded function since .chm no longer installed
release = f'{major}{minor}'
release += f'{micro}'
if level == 'candidate':
release += f'rc{serial}'
elif level != 'final':
release += f'{level[0]}{serial}'
return release
class EditorWindow:
from idlelib.percolator import Percolator
from idlelib.colorizer import ColorDelegator, color_config
from idlelib.undo import UndoDelegator
from idlelib.iomenu import IOBinding, encoding
from idlelib import mainmenu
from idlelib.statusbar import MultiStatusBar
from idlelib.autocomplete import AutoComplete
from idlelib.autoexpand import AutoExpand
from idlelib.calltip import Calltip
from idlelib.codecontext import CodeContext
from idlelib.sidebar import LineNumbers
from idlelib.format import FormatParagraph, FormatRegion, Indents, Rstrip
from idlelib.parenmatch import ParenMatch
from idlelib.zoomheight import ZoomHeight
filesystemencoding = sys.getfilesystemencoding() # for file names
help_url = None
allow_code_context = True
allow_line_numbers = True
user_input_insert_tags = None
def __init__(self, flist=None, filename=None, key=None, root=None):
# Delay import: runscript imports pyshell imports EditorWindow.
from idlelib.runscript import ScriptBinding
if EditorWindow.help_url is None:
dochome = os.path.join(sys.base_prefix, 'Doc', 'index.html')
if sys.platform.count('linux'):
# look for html docs in a couple of standard places
pyver = 'python-docs-' + '%s.%s.%s' % sys.version_info[:3]
if os.path.isdir('/var/www/html/python/'): # "python2" rpm
dochome = '/var/www/html/python/index.html'
else:
basepath = '/usr/share/doc/' # standard location
dochome = os.path.join(basepath, pyver,
'Doc', 'index.html')
elif sys.platform[:3] == 'win':
import winreg # Windows only, block only executed once.
docfile = ''
KEY = (rf"Software\Python\PythonCore\{sys.winver}"
r"\Help\Main Python Documentation")
try:
docfile = winreg.QueryValue(winreg.HKEY_CURRENT_USER, KEY)
except FileNotFoundError:
try:
docfile = winreg.QueryValue(winreg.HKEY_LOCAL_MACHINE,
KEY)
except FileNotFoundError:
pass
if os.path.isfile(docfile):
dochome = docfile
elif sys.platform == 'darwin':
# documentation may be stored inside a python framework
dochome = os.path.join(sys.base_prefix,
'Resources/English.lproj/Documentation/index.html')
dochome = os.path.normpath(dochome)
if os.path.isfile(dochome):
EditorWindow.help_url = dochome
if sys.platform == 'darwin':
# Safari requires real file:-URLs
EditorWindow.help_url = 'file://' + EditorWindow.help_url
else:
EditorWindow.help_url = ("https://docs.python.org/%d.%d/"
% sys.version_info[:2])
self.flist = flist
root = root or flist.root
self.root = root
self.menubar = Menu(root)
self.top = top = window.ListedToplevel(root, menu=self.menubar)
if flist:
self.tkinter_vars = flist.vars
#self.top.instance_dict makes flist.inversedict available to
#configdialog.py so it can access all EditorWindow instances
self.top.instance_dict = flist.inversedict
else:
self.tkinter_vars = {} # keys: Tkinter event names
# values: Tkinter variable instances
self.top.instance_dict = {}
self.recent_files_path = idleConf.userdir and os.path.join(
idleConf.userdir, 'recent-files.lst')
self.prompt_last_line = '' # Override in PyShell
self.text_frame = text_frame = Frame(top)
self.vbar = vbar = Scrollbar(text_frame, name='vbar')
width = idleConf.GetOption('main', 'EditorWindow', 'width', type='int')
text_options = {
'name': 'text',
'padx': 5,
'wrap': 'none',
'highlightthickness': 0,
'width': width,
'tabstyle': 'wordprocessor', # new in 8.5
'height': idleConf.GetOption(
'main', 'EditorWindow', 'height', type='int'),
}
self.text = text = MultiCallCreator(Text)(text_frame, **text_options)
self.top.focused_widget = self.text
self.createmenubar()
self.apply_bindings()
self.top.protocol("WM_DELETE_WINDOW", self.close)
self.top.bind("<<close-window>>", self.close_event)
if macosx.isAquaTk():
# Command-W on editor windows doesn't work without this.
text.bind('<<close-window>>', self.close_event)
# Some OS X systems have only one mouse button, so use
# control-click for popup context menus there. For two
# buttons, AquaTk defines <2> as the right button, not <3>.
text.bind("<Control-Button-1>",self.right_menu_event)
text.bind("<2>", self.right_menu_event)
else:
# Elsewhere, use right-click for popup menus.
text.bind("<3>",self.right_menu_event)
text.bind('<MouseWheel>', wheel_event)
text.bind('<Button-4>', wheel_event)
text.bind('<Button-5>', wheel_event)
text.bind('<Configure>', self.handle_winconfig)
text.bind("<<cut>>", self.cut)
text.bind("<<copy>>", self.copy)
text.bind("<<paste>>", self.paste)
text.bind("<<center-insert>>", self.center_insert_event)
text.bind("<<help>>", self.help_dialog)
text.bind("<<python-docs>>", self.python_docs)
text.bind("<<about-idle>>", self.about_dialog)
text.bind("<<open-config-dialog>>", self.config_dialog)
text.bind("<<open-module>>", self.open_module_event)
text.bind("<<do-nothing>>", lambda event: "break")
text.bind("<<select-all>>", self.select_all)
text.bind("<<remove-selection>>", self.remove_selection)
text.bind("<<find>>", self.find_event)
text.bind("<<find-again>>", self.find_again_event)
text.bind("<<find-in-files>>", self.find_in_files_event)
text.bind("<<find-selection>>", self.find_selection_event)
text.bind("<<replace>>", self.replace_event)
text.bind("<<goto-line>>", self.goto_line_event)
text.bind("<<smart-backspace>>",self.smart_backspace_event)
text.bind("<<newline-and-indent>>",self.newline_and_indent_event)
text.bind("<<smart-indent>>",self.smart_indent_event)
self.fregion = fregion = self.FormatRegion(self)
# self.fregion used in smart_indent_event to access indent_region.
text.bind("<<indent-region>>", fregion.indent_region_event)
text.bind("<<dedent-region>>", fregion.dedent_region_event)
text.bind("<<comment-region>>", fregion.comment_region_event)
text.bind("<<uncomment-region>>", fregion.uncomment_region_event)
text.bind("<<tabify-region>>", fregion.tabify_region_event)
text.bind("<<untabify-region>>", fregion.untabify_region_event)
indents = self.Indents(self)
text.bind("<<toggle-tabs>>", indents.toggle_tabs_event)
text.bind("<<change-indentwidth>>", indents.change_indentwidth_event)
text.bind("<Left>", self.move_at_edge_if_selection(0))
text.bind("<Right>", self.move_at_edge_if_selection(1))
text.bind("<<del-word-left>>", self.del_word_left)
text.bind("<<del-word-right>>", self.del_word_right)
text.bind("<<beginning-of-line>>", self.home_callback)
if flist:
flist.inversedict[self] = key
if key:
flist.dict[key] = self
text.bind("<<open-new-window>>", self.new_callback)
text.bind("<<close-all-windows>>", self.flist.close_all_callback)
text.bind("<<open-class-browser>>", self.open_module_browser)
text.bind("<<open-path-browser>>", self.open_path_browser)
text.bind("<<open-turtle-demo>>", self.open_turtle_demo)
self.set_status_bar()
text_frame.pack(side=LEFT, fill=BOTH, expand=1)
text_frame.rowconfigure(1, weight=1)
text_frame.columnconfigure(1, weight=1)
vbar['command'] = self.handle_yview
vbar.grid(row=1, column=2, sticky=NSEW)
text['yscrollcommand'] = vbar.set
text['font'] = idleConf.GetFont(self.root, 'main', 'EditorWindow')
text.grid(row=1, column=1, sticky=NSEW)
text.focus_set()
self.set_width()
# usetabs true -> literal tab characters are used by indent and
# dedent cmds, possibly mixed with spaces if
# indentwidth is not a multiple of tabwidth,
# which will cause Tabnanny to nag!
# false -> tab characters are converted to spaces by indent
# and dedent cmds, and ditto TAB keystrokes
# Although use-spaces=0 can be configured manually in config-main.def,
# configuration of tabs v. spaces is not supported in the configuration
# dialog. IDLE promotes the preferred Python indentation: use spaces!
usespaces = idleConf.GetOption('main', 'Indent',
'use-spaces', type='bool')
self.usetabs = not usespaces
# tabwidth is the display width of a literal tab character.
# CAUTION: telling Tk to use anything other than its default
# tab setting causes it to use an entirely different tabbing algorithm,
# treating tab stops as fixed distances from the left margin.
# Nobody expects this, so for now tabwidth should never be changed.
self.tabwidth = 8 # must remain 8 until Tk is fixed.
# indentwidth is the number of screen characters per indent level.
# The recommended Python indentation is four spaces.
self.indentwidth = self.tabwidth
self.set_notabs_indentwidth()
# Store the current value of the insertofftime now so we can restore
# it if needed.
if not hasattr(idleConf, 'blink_off_time'):
idleConf.blink_off_time = self.text['insertofftime']
self.update_cursor_blink()
# When searching backwards for a reliable place to begin parsing,
# first start num_context_lines[0] lines back, then
# num_context_lines[1] lines back if that didn't work, and so on.
# The last value should be huge (larger than the # of lines in a
# conceivable file).
# Making the initial values larger slows things down more often.
self.num_context_lines = 50, 500, 5000000
self.per = per = self.Percolator(text)
self.undo = undo = self.UndoDelegator()
per.insertfilter(undo)
text.undo_block_start = undo.undo_block_start
text.undo_block_stop = undo.undo_block_stop
undo.set_saved_change_hook(self.saved_change_hook)
# IOBinding implements file I/O and printing functionality
self.io = io = self.IOBinding(self)
io.set_filename_change_hook(self.filename_change_hook)
self.good_load = False
self.set_indentation_params(False)
self.color = None # initialized below in self.ResetColorizer
self.code_context = None # optionally initialized later below
self.line_numbers = None # optionally initialized later below
if filename:
if os.path.exists(filename) and not os.path.isdir(filename):
if io.loadfile(filename):
self.good_load = True
is_py_src = self.ispythonsource(filename)
self.set_indentation_params(is_py_src)
else:
io.set_filename(filename)
self.good_load = True
self.ResetColorizer()
self.saved_change_hook()
self.update_recent_files_list()
self.load_extensions()
menu = self.menudict.get('window')
if menu:
end = menu.index("end")
if end is None:
end = -1
if end >= 0:
menu.add_separator()
end = end + 1
self.wmenu_end = end
window.register_callback(self.postwindowsmenu)
# Some abstractions so IDLE extensions are cross-IDE
self.askinteger = simpledialog.askinteger
self.askyesno = messagebox.askyesno
self.showerror = messagebox.showerror
# Add pseudoevents for former extension fixed keys.
# (This probably needs to be done once in the process.)
text.event_add('<<autocomplete>>', '<Key-Tab>')
text.event_add('<<try-open-completions>>', '<KeyRelease-period>',
'<KeyRelease-slash>', '<KeyRelease-backslash>')
text.event_add('<<try-open-calltip>>', '<KeyRelease-parenleft>')
text.event_add('<<refresh-calltip>>', '<KeyRelease-parenright>')
text.event_add('<<paren-closed>>', '<KeyRelease-parenright>',
'<KeyRelease-bracketright>', '<KeyRelease-braceright>')
# Former extension bindings depends on frame.text being packed
# (called from self.ResetColorizer()).
autocomplete = self.AutoComplete(self, self.user_input_insert_tags)
text.bind("<<autocomplete>>", autocomplete.autocomplete_event)
text.bind("<<try-open-completions>>",
autocomplete.try_open_completions_event)
text.bind("<<force-open-completions>>",
autocomplete.force_open_completions_event)
text.bind("<<expand-word>>", self.AutoExpand(self).expand_word_event)
text.bind("<<format-paragraph>>",
self.FormatParagraph(self).format_paragraph_event)
parenmatch = self.ParenMatch(self)
text.bind("<<flash-paren>>", parenmatch.flash_paren_event)
text.bind("<<paren-closed>>", parenmatch.paren_closed_event)
scriptbinding = ScriptBinding(self)
text.bind("<<check-module>>", scriptbinding.check_module_event)
text.bind("<<run-module>>", scriptbinding.run_module_event)
text.bind("<<run-custom>>", scriptbinding.run_custom_event)
text.bind("<<do-rstrip>>", self.Rstrip(self).do_rstrip)
self.ctip = ctip = self.Calltip(self)
text.bind("<<try-open-calltip>>", ctip.try_open_calltip_event)
#refresh-calltip must come after paren-closed to work right
text.bind("<<refresh-calltip>>", ctip.refresh_calltip_event)
text.bind("<<force-open-calltip>>", ctip.force_open_calltip_event)
text.bind("<<zoom-height>>", self.ZoomHeight(self).zoom_height_event)
if self.allow_code_context:
self.code_context = self.CodeContext(self)
text.bind("<<toggle-code-context>>",
self.code_context.toggle_code_context_event)
else:
self.update_menu_state('options', '*ode*ontext', 'disabled')
if self.allow_line_numbers:
self.line_numbers = self.LineNumbers(self)
if idleConf.GetOption('main', 'EditorWindow',
'line-numbers-default', type='bool'):
self.toggle_line_numbers_event()
text.bind("<<toggle-line-numbers>>", self.toggle_line_numbers_event)
else:
self.update_menu_state('options', '*ine*umbers', 'disabled')
def handle_winconfig(self, event=None):
self.set_width()
def set_width(self):
text = self.text
inner_padding = sum(map(text.tk.getint, [text.cget('border'),
text.cget('padx')]))
pixel_width = text.winfo_width() - 2 * inner_padding
# Divide the width of the Text widget by the font width,
# which is taken to be the width of '0' (zero).
# http://www.tcl.tk/man/tcl8.6/TkCmd/text.htm#M21
zero_char_width = \
Font(text, font=text.cget('font')).measure('0')
self.width = pixel_width // zero_char_width
def new_callback(self, event):
dirname, basename = self.io.defaultfilename()
self.flist.new(dirname)
return "break"
def home_callback(self, event):
if (event.state & 4) != 0 and event.keysym == "Home":
# state&4==Control. If <Control-Home>, use the Tk binding.
return None
if self.text.index("iomark") and \
self.text.compare("iomark", "<=", "insert lineend") and \
self.text.compare("insert linestart", "<=", "iomark"):
# In Shell on input line, go to just after prompt
insertpt = int(self.text.index("iomark").split(".")[1])
else:
line = self.text.get("insert linestart", "insert lineend")
for insertpt in range(len(line)):
if line[insertpt] not in (' ','\t'):
break
else:
insertpt=len(line)
lineat = int(self.text.index("insert").split('.')[1])
if insertpt == lineat:
insertpt = 0
dest = "insert linestart+"+str(insertpt)+"c"
if (event.state&1) == 0:
# shift was not pressed
self.text.tag_remove("sel", "1.0", "end")
else:
if not self.text.index("sel.first"):
# there was no previous selection
self.text.mark_set("my_anchor", "insert")
else:
if self.text.compare(self.text.index("sel.first"), "<",
self.text.index("insert")):
self.text.mark_set("my_anchor", "sel.first") # extend back
else:
self.text.mark_set("my_anchor", "sel.last") # extend forward
first = self.text.index(dest)
last = self.text.index("my_anchor")
if self.text.compare(first,">",last):
first,last = last,first
self.text.tag_remove("sel", "1.0", "end")
self.text.tag_add("sel", first, last)
self.text.mark_set("insert", dest)
self.text.see("insert")
return "break"
def set_status_bar(self):
self.status_bar = self.MultiStatusBar(self.top)
sep = Frame(self.top, height=1, borderwidth=1, background='grey75')
if sys.platform == "darwin":
# Insert some padding to avoid obscuring some of the statusbar
# by the resize widget.
self.status_bar.set_label('_padding1', ' ', side=RIGHT)
self.status_bar.set_label('column', 'Col: ?', side=RIGHT)
self.status_bar.set_label('line', 'Ln: ?', side=RIGHT)
self.status_bar.pack(side=BOTTOM, fill=X)
sep.pack(side=BOTTOM, fill=X)
self.text.bind("<<set-line-and-column>>", self.set_line_and_column)
self.text.event_add("<<set-line-and-column>>",
"<KeyRelease>", "<ButtonRelease>")
self.text.after_idle(self.set_line_and_column)
def set_line_and_column(self, event=None):
line, column = self.text.index(INSERT).split('.')
self.status_bar.set_label('column', 'Col: %s' % column)
self.status_bar.set_label('line', 'Ln: %s' % line)
""" Menu definitions and functions.
* self.menubar - the always visible horizontal menu bar.
* mainmenu.menudefs - a list of tuples, one for each menubar item.
Each tuple pairs a lower-case name and list of dropdown items.
Each item is a name, virtual event pair or None for separator.
* mainmenu.default_keydefs - maps events to keys.
* text.keydefs - same.
* cls.menu_specs - menubar name, titlecase display form pairs
with Alt-hotkey indicator. A subset of menudefs items.
* self.menudict - map menu name to dropdown menu.
* self.recent_files_menu - 2nd level cascade in the file cascade.
* self.wmenu_end - set in __init__ (purpose unclear).
createmenubar, postwindowsmenu, update_menu_label, update_menu_state,
ApplyKeybings (2nd part), reset_help_menu_entries,
_extra_help_callback, update_recent_files_list,
apply_bindings, fill_menus, (other functions?)
"""
menu_specs = [
("file", "_File"),
("edit", "_Edit"),
("format", "F_ormat"),
("run", "_Run"),
("options", "_Options"),
("window", "_Window"),
("help", "_Help"),
]
def createmenubar(self):
"""Populate the menu bar widget for the editor window.
Each option on the menubar is itself a cascade-type Menu widget
with the menubar as the parent. The names, labels, and menu
shortcuts for the menubar items are stored in menu_specs. Each
submenu is subsequently populated in fill_menus(), except for
'Recent Files' which is added to the File menu here.
Instance variables:
menubar: Menu widget containing first level menu items.
menudict: Dictionary of {menuname: Menu instance} items. The keys
represent the valid menu items for this window and may be a
subset of all the menudefs available.
recent_files_menu: Menu widget contained within the 'file' menudict.
"""
mbar = self.menubar
self.menudict = menudict = {}
for name, label in self.menu_specs:
underline, label = prepstr(label)
postcommand = getattr(self, f'{name}_menu_postcommand', None)
menudict[name] = menu = Menu(mbar, name=name, tearoff=0,
postcommand=postcommand)
mbar.add_cascade(label=label, menu=menu, underline=underline)
if macosx.isCarbonTk():
# Insert the application menu
menudict['application'] = menu = Menu(mbar, name='apple',
tearoff=0)
mbar.add_cascade(label='IDLE', menu=menu)
self.fill_menus()
self.recent_files_menu = Menu(self.menubar, tearoff=0)
self.menudict['file'].insert_cascade(3, label='Recent Files',
underline=0,
menu=self.recent_files_menu)
self.base_helpmenu_length = self.menudict['help'].index(END)
self.reset_help_menu_entries()
def postwindowsmenu(self):
"""Callback to register window.
Only called when Window menu exists.
"""
menu = self.menudict['window']
end = menu.index("end")
if end is None:
end = -1
if end > self.wmenu_end:
menu.delete(self.wmenu_end+1, end)
window.add_windows_to_menu(menu)
def update_menu_label(self, menu, index, label):
"Update label for menu item at index."
menuitem = self.menudict[menu]
menuitem.entryconfig(index, label=label)
def update_menu_state(self, menu, index, state):
"Update state for menu item at index."
menuitem = self.menudict[menu]
menuitem.entryconfig(index, state=state)
def handle_yview(self, event, *args):
"Handle scrollbar."
if event == 'moveto':
fraction = float(args[0])
lines = (round(self.getlineno('end') * fraction) -
self.getlineno('@0,0'))
event = 'scroll'
args = (lines, 'units')
self.text.yview(event, *args)
return 'break'
rmenu = None
def right_menu_event(self, event):
text = self.text
newdex = text.index(f'@{event.x},{event.y}')
try:
in_selection = (text.compare('sel.first', '<=', newdex) and
text.compare(newdex, '<=', 'sel.last'))
except TclError:
in_selection = False
if not in_selection:
text.tag_remove("sel", "1.0", "end")
text.mark_set("insert", newdex)
if not self.rmenu:
self.make_rmenu()
rmenu = self.rmenu
self.event = event
iswin = sys.platform[:3] == 'win'
if iswin:
text.config(cursor="arrow")
for item in self.rmenu_specs:
try:
label, eventname, verify_state = item
except ValueError: # see issue1207589
continue
if verify_state is None:
continue
state = getattr(self, verify_state)()
rmenu.entryconfigure(label, state=state)
rmenu.tk_popup(event.x_root, event.y_root)
if iswin:
self.text.config(cursor="ibeam")
return "break"
rmenu_specs = [
# ("Label", "<<virtual-event>>", "statefuncname"), ...
("Close", "<<close-window>>", None), # Example
]
def make_rmenu(self):
rmenu = Menu(self.text, tearoff=0)
for item in self.rmenu_specs:
label, eventname = item[0], item[1]
if label is not None:
def command(text=self.text, eventname=eventname):
text.event_generate(eventname)
rmenu.add_command(label=label, command=command)
else:
rmenu.add_separator()
self.rmenu = rmenu
def rmenu_check_cut(self):
return self.rmenu_check_copy()
def rmenu_check_copy(self):
try:
indx = self.text.index('sel.first')
except TclError:
return 'disabled'
else:
return 'normal' if indx else 'disabled'
def rmenu_check_paste(self):
try:
self.text.tk.call('tk::GetSelection', self.text, 'CLIPBOARD')
except TclError:
return 'disabled'
else:
return 'normal'
def about_dialog(self, event=None):
"Handle Help 'About IDLE' event."
# Synchronize with macosx.overrideRootMenu.about_dialog.
help_about.AboutDialog(self.top)
return "break"
def config_dialog(self, event=None):
"Handle Options 'Configure IDLE' event."
# Synchronize with macosx.overrideRootMenu.config_dialog.
configdialog.ConfigDialog(self.top,'Settings')
return "break"
def help_dialog(self, event=None):
"Handle Help 'IDLE Help' event."
# Synchronize with macosx.overrideRootMenu.help_dialog.
if self.root:
parent = self.root
else:
parent = self.top
help.show_idlehelp(parent)
return "break"
def python_docs(self, event=None):
if sys.platform[:3] == 'win':
try:
os.startfile(self.help_url)
except OSError as why:
messagebox.showerror(title='Document Start Failure',
message=str(why), parent=self.text)
else:
webbrowser.open(self.help_url)
return "break"
def cut(self,event):
self.text.event_generate("<<Cut>>")
return "break"
def copy(self,event):
if not self.text.tag_ranges("sel"):
# There is no selection, so do nothing and maybe interrupt.
return None
self.text.event_generate("<<Copy>>")
return "break"
def paste(self,event):
self.text.event_generate("<<Paste>>")
self.text.see("insert")
return "break"
def select_all(self, event=None):
self.text.tag_add("sel", "1.0", "end-1c")
self.text.mark_set("insert", "1.0")
self.text.see("insert")
return "break"
def remove_selection(self, event=None):
self.text.tag_remove("sel", "1.0", "end")
self.text.see("insert")
return "break"
def move_at_edge_if_selection(self, edge_index):
"""Cursor move begins at start or end of selection
When a left/right cursor key is pressed create and return to Tkinter a
function which causes a cursor move from the associated edge of the
selection.
"""
self_text_index = self.text.index
self_text_mark_set = self.text.mark_set
edges_table = ("sel.first+1c", "sel.last-1c")
def move_at_edge(event):
if (event.state & 5) == 0: # no shift(==1) or control(==4) pressed
try:
self_text_index("sel.first")
self_text_mark_set("insert", edges_table[edge_index])
except TclError:
pass
return move_at_edge
def del_word_left(self, event):
self.text.event_generate('<Meta-Delete>')
return "break"
def del_word_right(self, event):
self.text.event_generate('<Meta-d>')
return "break"
def find_event(self, event):
search.find(self.text)
return "break"
def find_again_event(self, event):
search.find_again(self.text)
return "break"
def find_selection_event(self, event):
search.find_selection(self.text)
return "break"
def find_in_files_event(self, event):
grep.grep(self.text, self.io, self.flist)
return "break"
def replace_event(self, event):
replace.replace(self.text)
return "break"
def goto_line_event(self, event):
text = self.text
lineno = query.Goto(
text, "Go To Line",
"Enter a positive integer\n"
"('big' = end of file):"
).result
if lineno is not None:
text.tag_remove("sel", "1.0", "end")
text.mark_set("insert", f'{lineno}.0')
text.see("insert")
self.set_line_and_column()
return "break"
def open_module(self):
"""Get module name from user and open it.
Return module path or None for calls by open_module_browser
when latter is not invoked in named editor window.
"""
# XXX This, open_module_browser, and open_path_browser
# would fit better in iomenu.IOBinding.
try:
name = self.text.get("sel.first", "sel.last").strip()
except TclError:
name = ''
file_path = query.ModuleName(
self.text, "Open Module",
"Enter the name of a Python module\n"
"to search on sys.path and open:",
name).result
if file_path is not None:
if self.flist:
self.flist.open(file_path)
else:
self.io.loadfile(file_path)
return file_path
def open_module_event(self, event):
self.open_module()
return "break"
def open_module_browser(self, event=None):
filename = self.io.filename
if not (self.__class__.__name__ == 'PyShellEditorWindow'
and filename):
filename = self.open_module()
if filename is None:
return "break"
from idlelib import browser
browser.ModuleBrowser(self.root, filename)
return "break"
def open_path_browser(self, event=None):
from idlelib import pathbrowser
pathbrowser.PathBrowser(self.root)
return "break"
def open_turtle_demo(self, event = None):
import subprocess
cmd = [sys.executable,
'-c',
'from turtledemo.__main__ import main; main()']
subprocess.Popen(cmd, shell=False)
return "break"
def gotoline(self, lineno):
if lineno is not None and lineno > 0:
self.text.mark_set("insert", "%d.0" % lineno)
self.text.tag_remove("sel", "1.0", "end")
self.text.tag_add("sel", "insert", "insert +1l")
self.center()
def ispythonsource(self, filename):
if not filename or os.path.isdir(filename):
return True
base, ext = os.path.splitext(os.path.basename(filename))
if os.path.normcase(ext) in py_extensions:
return True
line = self.text.get('1.0', '1.0 lineend')
return line.startswith('#!') and 'python' in line
def close_hook(self):
if self.flist:
self.flist.unregister_maybe_terminate(self)
self.flist = None
def set_close_hook(self, close_hook):
self.close_hook = close_hook
def filename_change_hook(self):
if self.flist:
self.flist.filename_changed_edit(self)
self.saved_change_hook()
self.top.update_windowlist_registry(self)
self.ResetColorizer()
def _addcolorizer(self):
if self.color:
return
if self.ispythonsource(self.io.filename):
self.color = self.ColorDelegator()
# can add more colorizers here...
if self.color:
self.per.insertfilterafter(filter=self.color, after=self.undo)
def _rmcolorizer(self):
if not self.color:
return
self.color.removecolors()
self.per.removefilter(self.color)
self.color = None
def ResetColorizer(self):
"Update the color theme"
# Called from self.filename_change_hook and from configdialog.py
self._rmcolorizer()
self._addcolorizer()
EditorWindow.color_config(self.text)
if self.code_context is not None:
self.code_context.update_highlight_colors()
if self.line_numbers is not None:
self.line_numbers.update_colors()
IDENTCHARS = string.ascii_letters + string.digits + "_"
def colorize_syntax_error(self, text, pos):
text.tag_add("ERROR", pos)
char = text.get(pos)
if char and char in self.IDENTCHARS:
text.tag_add("ERROR", pos + " wordstart", pos)
if '\n' == text.get(pos): # error at line end
text.mark_set("insert", pos)
else:
text.mark_set("insert", pos + "+1c")
text.see(pos)
def update_cursor_blink(self):
"Update the cursor blink configuration."
cursorblink = idleConf.GetOption(
'main', 'EditorWindow', 'cursor-blink', type='bool')
if not cursorblink:
self.text['insertofftime'] = 0
else:
# Restore the original value
self.text['insertofftime'] = idleConf.blink_off_time
def ResetFont(self):
"Update the text widgets' font if it is changed"
# Called from configdialog.py
# Update the code context widget first, since its height affects
# the height of the text widget. This avoids double re-rendering.
if self.code_context is not None:
self.code_context.update_font()
# Next, update the line numbers widget, since its width affects
# the width of the text widget.
if self.line_numbers is not None:
self.line_numbers.update_font()
# Finally, update the main text widget.
new_font = idleConf.GetFont(self.root, 'main', 'EditorWindow')
self.text['font'] = new_font
self.set_width()
def RemoveKeybindings(self):
"""Remove the virtual, configurable keybindings.
Leaves the default Tk Text keybindings.
"""
# Called from configdialog.deactivate_current_config.
self.mainmenu.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
for event, keylist in keydefs.items():
self.text.event_delete(event, *keylist)
for extensionName in self.get_standard_extension_names():
xkeydefs = idleConf.GetExtensionBindings(extensionName)
if xkeydefs:
for event, keylist in xkeydefs.items():
self.text.event_delete(event, *keylist)
def ApplyKeybindings(self):
"""Apply the virtual, configurable keybindings.
Alse update hotkeys to current keyset.
"""
# Called from configdialog.activate_config_changes.
self.mainmenu.default_keydefs = keydefs = idleConf.GetCurrentKeySet()
self.apply_bindings()
for extensionName in self.get_standard_extension_names():
xkeydefs = idleConf.GetExtensionBindings(extensionName)
if xkeydefs:
self.apply_bindings(xkeydefs)
# Update menu accelerators.
menuEventDict = {}
for menu in self.mainmenu.menudefs:
menuEventDict[menu[0]] = {}
for item in menu[1]:
if item:
menuEventDict[menu[0]][prepstr(item[0])[1]] = item[1]
for menubarItem in self.menudict:
menu = self.menudict[menubarItem]
end = menu.index(END)
if end is None:
# Skip empty menus
continue
end += 1
for index in range(0, end):
if menu.type(index) == 'command':
accel = menu.entrycget(index, 'accelerator')
if accel:
itemName = menu.entrycget(index, 'label')
event = ''
if menubarItem in menuEventDict:
if itemName in menuEventDict[menubarItem]:
event = menuEventDict[menubarItem][itemName]
if event:
accel = get_accelerator(keydefs, event)
menu.entryconfig(index, accelerator=accel)
def set_notabs_indentwidth(self):
"Update the indentwidth if changed and not using tabs in this window"
# Called from configdialog.py
if not self.usetabs:
self.indentwidth = idleConf.GetOption('main', 'Indent','num-spaces',
type='int')
def reset_help_menu_entries(self):
"""Update the additional help entries on the Help menu."""
help_list = idleConf.GetAllExtraHelpSourcesList()
helpmenu = self.menudict['help']
# First delete the extra help entries, if any.
helpmenu_length = helpmenu.index(END)
if helpmenu_length > self.base_helpmenu_length:
helpmenu.delete((self.base_helpmenu_length + 1), helpmenu_length)
# Then rebuild them.
if help_list:
helpmenu.add_separator()
for entry in help_list:
cmd = self._extra_help_callback(entry[1])
helpmenu.add_command(label=entry[0], command=cmd)
# And update the menu dictionary.
self.menudict['help'] = helpmenu
def _extra_help_callback(self, resource):
"""Return a callback that loads resource (file or web page)."""
def display_extra_help(helpfile=resource):
if not helpfile.startswith(('www', 'http')):
helpfile = os.path.normpath(helpfile)
if sys.platform[:3] == 'win':
try:
os.startfile(helpfile)
except OSError as why:
messagebox.showerror(title='Document Start Failure',
message=str(why), parent=self.text)
else:
webbrowser.open(helpfile)
return display_extra_help
def update_recent_files_list(self, new_file=None):
"Load and update the recent files list and menus"
# TODO: move to iomenu.
rf_list = []
file_path = self.recent_files_path
if file_path and os.path.exists(file_path):
with open(file_path,
encoding='utf_8', errors='replace') as rf_list_file:
rf_list = rf_list_file.readlines()