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
|
# -*- coding: utf-8 -*-
# Code comment plugin
# This file is part of gedit
#
# Copyright (C) 2005-2006 Igalia
# Copyright (C) 2006 Matthew Dugan
# Copyrignt (C) 2007 Steve Frécinaux
#
# 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 2 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
import gi
gi.require_version('Gtk', '3.0')
gi.require_version('GtkSource', '300')
from gi.repository import GObject, Gio, Gtk, GtkSource, Gedit
try:
import gettext
gettext.bindtextdomain('gedit-plugins')
gettext.textdomain('gedit-plugins')
_ = gettext.gettext
except:
_ = lambda s: s
# If the language is listed here we prefer block comments over line comments.
# Maybe this list should be user configurable, but just C comes to my mind...
block_comment_languages = [
'c', 'chdr'
]
class CodeCommentAppActivatable(GObject.Object, Gedit.AppActivatable):
app = GObject.Property(type=Gedit.App)
def __init__(self):
GObject.Object.__init__(self)
def do_activate(self):
self.app.add_accelerator("<Primary>M", "win.comment", None)
self.app.add_accelerator("<Primary><Shift>M", "win.uncomment", None)
def do_deactivate(self):
self.app.remove_accelerator("win.comment", None)
self.app.remove_accelerator("win.uncomment", None)
class CodeCommentWindowActivatable(GObject.Object, Gedit.WindowActivatable):
window = GObject.Property(type=Gedit.Window)
def __init__(self):
GObject.Object.__init__(self)
def do_activate(self):
action = Gio.SimpleAction(name="comment")
action.connect('activate', lambda a, p: self.do_comment())
self.window.add_action(action)
action = Gio.SimpleAction(name="uncomment")
action.connect('activate', lambda a, p: self.do_comment(True))
self.window.add_action(action)
def do_deactivate(self):
self.window.remove_action("comment")
self.window.remove_action("uncomment")
def do_update_state(self):
sensitive = False
view = self.window.get_active_view()
if view and hasattr(view, "code_comment_view_activatable"):
sensitive = view.code_comment_view_activatable.doc_has_comment_tags()
self.window.lookup_action('comment').set_enabled(sensitive)
self.window.lookup_action('uncomment').set_enabled(sensitive)
def do_comment(self, unindent=False):
view = self.window.get_active_view()
if view and view.code_comment_view_activatable:
view.code_comment_view_activatable.do_comment(view.get_buffer(), unindent)
class CodeCommentViewActivatable(GObject.Object, Gedit.ViewActivatable):
view = GObject.Property(type=Gedit.View)
def __init__(self):
self.popup_handler_id = 0
GObject.Object.__init__(self)
def do_activate(self):
self.view.code_comment_view_activatable = self
self.popup_handler_id = self.view.connect('populate-popup', self.populate_popup)
def do_deactivate(self):
if self.popup_handler_id != 0:
self.view.disconnect(self.popup_handler_id)
self.popup_handler_id = 0
delattr(self.view, "code_comment_view_activatable")
def populate_popup(self, view, popup):
if not isinstance(popup, Gtk.MenuShell):
return
item = Gtk.SeparatorMenuItem()
item.show()
popup.append(item)
item = Gtk.MenuItem.new_with_mnemonic(_("Co_mment Code"))
item.set_sensitive(self.doc_has_comment_tags())
item.show()
item.connect('activate', lambda i: self.do_comment(view.get_buffer()))
popup.append(item)
item = Gtk.MenuItem.new_with_mnemonic(_('U_ncomment Code'))
item.set_sensitive(self.doc_has_comment_tags())
item.show()
item.connect('activate', lambda i: self.do_comment(view.get_buffer(), True))
popup.append(item)
def doc_has_comment_tags(self):
has_comment_tags = False
doc = self.view.get_buffer()
if doc:
lang = doc.get_language()
if lang is not None:
has_comment_tags = self.get_comment_tags(lang) != (None, None)
return has_comment_tags
def get_block_comment_tags(self, lang):
start_tag = lang.get_metadata('block-comment-start')
end_tag = lang.get_metadata('block-comment-end')
if start_tag and end_tag:
return (start_tag, end_tag)
return (None, None)
def get_line_comment_tags(self, lang):
start_tag = lang.get_metadata('line-comment-start')
if start_tag:
return (start_tag, None)
return (None, None)
def get_comment_tags(self, lang):
if lang.get_id() in block_comment_languages:
(s, e) = self.get_block_comment_tags(lang)
if (s, e) == (None, None):
(s, e) = self.get_line_comment_tags(lang)
else:
(s, e) = self.get_line_comment_tags(lang)
if (s, e) == (None, None):
(s, e) = self.get_block_comment_tags(lang)
return (s, e)
def forward_tag(self, iter, tag):
iter.forward_chars(len(tag))
def backward_tag(self, iter, tag):
iter.backward_chars(len(tag))
def get_tag_position_in_line(self, tag, head_iter, iter):
found = False
while (not found) and (not iter.ends_line()):
s = iter.get_slice(head_iter)
if s == tag:
found = True
else:
head_iter.forward_char()
iter.forward_char()
return found
def add_comment_characters(self, document, start_tag, end_tag, start, end):
smark = document.create_mark("start", start, False)
imark = document.create_mark("iter", start, False)
emark = document.create_mark("end", end, False)
number_lines = end.get_line() - start.get_line() + 1
document.begin_user_action()
for i in range(0, number_lines):
iter = document.get_iter_at_mark(imark)
if not iter.ends_line():
document.insert(iter, start_tag)
if end_tag is not None:
if i != number_lines -1:
iter = document.get_iter_at_mark(imark)
iter.forward_to_line_end()
document.insert(iter, end_tag)
else:
iter = document.get_iter_at_mark(emark)
document.insert(iter, end_tag)
iter = document.get_iter_at_mark(imark)
iter.forward_line()
document.delete_mark(imark)
imark = document.create_mark("iter", iter, True)
document.end_user_action()
document.delete_mark(imark)
new_start = document.get_iter_at_mark(smark)
new_end = document.get_iter_at_mark(emark)
if not new_start.ends_line():
self.backward_tag(new_start, start_tag)
document.select_range(new_start, new_end)
document.delete_mark(smark)
document.delete_mark(emark)
def remove_comment_characters(self, document, start_tag, end_tag, start, end):
smark = document.create_mark("start", start, False)
emark = document.create_mark("end", end, False)
number_lines = end.get_line() - start.get_line() + 1
iter = start.copy()
head_iter = iter.copy()
self.forward_tag(head_iter, start_tag)
document.begin_user_action()
for i in range(0, number_lines):
if self.get_tag_position_in_line(start_tag, head_iter, iter):
dmark = document.create_mark("delete", iter, False)
document.delete(iter, head_iter)
if end_tag is not None:
iter = document.get_iter_at_mark(dmark)
head_iter = iter.copy()
self.forward_tag(head_iter, end_tag)
if self.get_tag_position_in_line(end_tag, head_iter, iter):
document.delete(iter, head_iter)
document.delete_mark(dmark)
iter = document.get_iter_at_mark(smark)
iter.forward_line()
document.delete_mark(smark)
head_iter = iter.copy()
self.forward_tag(head_iter, start_tag)
smark = document.create_mark("iter", iter, True)
document.end_user_action()
document.delete_mark(smark)
document.delete_mark(emark)
def do_comment(self, document, unindent=False):
sel = document.get_selection_bounds()
currentPosMark = document.get_insert()
deselect = False
if sel != ():
(start, end) = sel
if start.ends_line():
start.forward_line()
elif not start.starts_line():
start.set_line_offset(0)
if end.starts_line():
end.backward_char()
elif not end.ends_line():
end.forward_to_line_end()
else:
deselect = True
start = document.get_iter_at_mark(currentPosMark)
start.set_line_offset(0)
end = start.copy()
end.forward_to_line_end()
lang = document.get_language()
if lang is None:
return
(start_tag, end_tag) = self.get_comment_tags(lang)
if not start_tag and not end_tag:
return
if unindent: # Select the comment or the uncomment method
new_code = self.remove_comment_characters(document,
start_tag,
end_tag,
start,
end)
else:
new_code = self.add_comment_characters(document,
start_tag,
end_tag,
start,
end)
if deselect:
oldPosIter = document.get_iter_at_mark(currentPosMark)
document.select_range(oldPosIter,oldPosIter)
document.place_cursor(oldPosIter)
# ex:ts=4:et:
|
