/b-gtk/fix-viz

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viz/branchwin.py
13
13
import gobject
14
14
import pango
15
15
 
16
 
from bzrlib.plugins.gtk import icon_path
17
 
from bzrlib.plugins.gtk.branchview import TreeView, treemodel
 
16
from bzrlib.plugins.gtk.window import Window
18
17
from bzrlib.plugins.gtk.tags import AddTagDialog
19
18
from bzrlib.plugins.gtk.preferences import PreferencesWindow
20
 
from bzrlib.plugins.gtk.revisionmenu import RevisionMenu
21
 
from bzrlib.plugins.gtk.window import Window
22
 
 
23
 
from bzrlib.config import BranchConfig, GlobalConfig
 
19
from bzrlib.plugins.gtk.branchview import TreeView, treemodel
24
20
from bzrlib.revision import Revision, NULL_REVISION
25
 
from bzrlib.trace import mutter
 
21
from bzrlib.config import BranchConfig
 
22
from bzrlib.config import GlobalConfig
26
23
 
27
24
class BranchWindow(Window):
28
25
    """Branch window.
53
50
        else:
54
51
            self.compact_view = False
55
52
 
56
 
        self.set_title(branch._get_nick(local=True) + " - revision history")
 
53
        self.set_title(branch.nick + " - revision history")
57
54
 
58
 
        # user-configured window size
59
 
        size = self._load_size('viz-window-size')
60
 
        if size:
61
 
            width, height = size
62
 
        else:
63
 
            # Use three-quarters of the screen by default
64
 
            screen = self.get_screen()
65
 
            monitor = screen.get_monitor_geometry(0)
66
 
            width = int(monitor.width * 0.75)
67
 
            height = int(monitor.height * 0.75)
 
55
        # Use three-quarters of the screen by default
 
56
        screen = self.get_screen()
 
57
        monitor = screen.get_monitor_geometry(0)
 
58
        width = int(monitor.width * 0.75)
 
59
        height = int(monitor.height * 0.75)
68
60
        self.set_default_size(width, height)
69
 
        self.set_size_request(width/3, height/3)
70
 
        self._save_size_on_destroy(self, 'viz-window-size')
71
61
 
72
62
        # FIXME AndyFitz!
73
63
        icon = self.render_icon(gtk.STOCK_INDEX, gtk.ICON_SIZE_BUTTON)
75
65
 
76
66
        gtk.accel_map_add_entry("<viz>/Go/Next Revision", gtk.keysyms.Up, gtk.gdk.MOD1_MASK)
77
67
        gtk.accel_map_add_entry("<viz>/Go/Previous Revision", gtk.keysyms.Down, gtk.gdk.MOD1_MASK)
78
 
        gtk.accel_map_add_entry("<viz>/View/Refresh", gtk.keysyms.F5, 0)
79
68
 
80
69
        self.accel_group = gtk.AccelGroup()
81
70
        self.add_accel_group(self.accel_group)
94
83
        self.next_rev_action.connect("activate", self._fwd_clicked_cb)
95
84
        self.next_rev_action.connect_accelerator()
96
85
 
97
 
        self.refresh_action = gtk.Action("refresh", "_Refresh", "Refresh view", gtk.STOCK_REFRESH)
98
 
        self.refresh_action.set_accel_path("<viz>/View/Refresh")
99
 
        self.refresh_action.set_accel_group(self.accel_group)
100
 
        self.refresh_action.connect("activate", self._refresh_clicked)
101
 
        self.refresh_action.connect_accelerator()
102
 
 
103
86
        self.construct()
104
87
 
105
 
    def _save_size_on_destroy(self, widget, config_name):
106
 
        """Creates a hook that saves the size of widget to config option 
107
 
           config_name when the window is destroyed/closed."""
108
 
        def save_size(src):
109
 
            width, height = widget.allocation.width, widget.allocation.height
110
 
            value = '%sx%s' % (width, height)
111
 
            self.config.set_user_option(config_name, value)
112
 
        self.connect("destroy", save_size)
113
 
 
114
88
    def set_revision(self, revid):
115
89
        self.treeview.set_revision_id(revid)
116
90
 
120
94
        self.add(vbox)
121
95
 
122
96
        self.paned = gtk.VPaned()
123
 
        self.paned.pack1(self.construct_top(), resize=False, shrink=True)
124
 
        self.paned.pack2(self.construct_bottom(), resize=True, shrink=False)
 
97
        self.paned.pack1(self.construct_top(), resize=True, shrink=False)
 
98
        self.paned.pack2(self.construct_bottom(), resize=False, shrink=True)
125
99
        self.paned.show()
126
100
 
127
 
        nav = self.construct_navigation()
128
 
        menubar = self.construct_menubar()
129
 
        vbox.pack_start(menubar, expand=False, fill=True)
130
 
        vbox.pack_start(nav, expand=False, fill=True)
131
 
 
 
101
        vbox.pack_start(self.construct_menubar(), expand=False, fill=True)
 
102
        vbox.pack_start(self.construct_navigation(), expand=False, fill=True)
 
103
        
132
104
        vbox.pack_start(self.paned, expand=True, fill=True)
133
105
        vbox.set_focus_child(self.paned)
134
106
 
135
 
        self.treeview.connect('revision-selected',
136
 
                self._treeselection_changed_cb)
137
 
        self.treeview.connect('revision-activated',
138
 
                self._tree_revision_activated)
139
 
 
140
 
        self.treeview.connect('tag-added', lambda w, t, r: self._update_tags())
141
107
        vbox.show()
142
 
    
 
108
 
143
109
    def construct_menubar(self):
144
110
        menubar = gtk.MenuBar()
145
111
 
161
127
        edit_menuitem = gtk.MenuItem("_Edit")
162
128
        edit_menuitem.set_submenu(edit_menu)
163
129
 
 
130
        edit_menu_find = gtk.ImageMenuItem(gtk.STOCK_FIND)
 
131
 
164
132
        edit_menu_branchopts = gtk.MenuItem("Branch Settings")
165
133
        edit_menu_branchopts.connect('activate', lambda x: PreferencesWindow(self.branch.get_config()).show())
166
134
 
167
135
        edit_menu_globopts = gtk.MenuItem("Global Settings")
168
136
        edit_menu_globopts.connect('activate', lambda x: PreferencesWindow().show())
169
137
 
 
138
        edit_menu.add(edit_menu_find)
170
139
        edit_menu.add(edit_menu_branchopts)
171
140
        edit_menu.add(edit_menu_globopts)
172
141
 
174
143
        view_menuitem = gtk.MenuItem("_View")
175
144
        view_menuitem.set_submenu(view_menu)
176
145
 
177
 
        view_menu_refresh = self.refresh_action.create_menu_item()
178
 
        view_menu_refresh.connect('activate', self._refresh_clicked)
179
 
 
180
 
        view_menu.add(view_menu_refresh)
181
 
        view_menu.add(gtk.SeparatorMenuItem())
182
 
 
183
146
        view_menu_toolbar = gtk.CheckMenuItem("Show Toolbar")
184
147
        view_menu_toolbar.set_active(True)
185
 
        if self.config.get_user_option('viz-toolbar-visible') == 'False':
186
 
            view_menu_toolbar.set_active(False)
187
 
            self.toolbar.hide()
188
148
        view_menu_toolbar.connect('toggled', self._toolbar_visibility_changed)
189
149
 
190
150
        view_menu_compact = gtk.CheckMenuItem("Show Compact Graph")
191
151
        view_menu_compact.set_active(self.compact_view)
192
152
        view_menu_compact.connect('activate', self._brokenlines_toggled_cb)
193
 
        
194
 
        view_menu_diffs = gtk.CheckMenuItem("Show Diffs")
195
 
        view_menu_diffs.set_active(False)
196
 
        if self.config.get_user_option('viz-show-diffs') == 'True':
197
 
            view_menu_diffs.set_active(True)
198
 
        view_menu_diffs.connect('toggled', self._diff_visibility_changed)
199
 
        
200
 
        view_menu_wide_diffs = gtk.CheckMenuItem("Wide Diffs")
201
 
        view_menu_wide_diffs.set_active(False)
202
 
        if self.config.get_user_option('viz-wide-diffs') == 'True':
203
 
            view_menu_wide_diffs.set_active(True)
204
 
        view_menu_wide_diffs.connect('toggled', self._diff_placement_changed)
205
 
        
206
 
        view_menu_wrap_diffs = gtk.CheckMenuItem("Wrap _Long Lines in Diffs")
207
 
        view_menu_wrap_diffs.set_active(False)
208
 
        if self.config.get_user_option('viz-wrap-diffs') == 'True':
209
 
            view_menu_wrap_diffs.set_active(True)
210
 
        view_menu_wrap_diffs.connect('toggled', self._diff_wrap_changed)
211
 
                
 
153
 
212
154
        view_menu.add(view_menu_toolbar)
213
155
        view_menu.add(view_menu_compact)
214
156
        view_menu.add(gtk.SeparatorMenuItem())
215
 
        view_menu.add(view_menu_diffs)
216
 
        view_menu.add(view_menu_wide_diffs)
217
 
        view_menu.add(view_menu_wrap_diffs)
218
 
        view_menu.add(gtk.SeparatorMenuItem())
219
157
 
220
158
        self.mnu_show_revno_column = gtk.CheckMenuItem("Show Revision _Number Column")
221
159
        self.mnu_show_date_column = gtk.CheckMenuItem("Show _Date Column")
239
177
        go_menu_next = self.next_rev_action.create_menu_item()
240
178
        go_menu_prev = self.prev_rev_action.create_menu_item()
241
179
 
242
 
        tag_image = gtk.Image()
243
 
        tag_image.set_from_file(icon_path("tag-16.png"))
244
 
        self.go_menu_tags = gtk.ImageMenuItem("_Tags")
245
 
        self.go_menu_tags.set_image(tag_image)
246
 
        self.treeview.connect('refreshed', lambda w: self._update_tags())
 
180
        self.go_menu_tags = gtk.MenuItem("_Tags")
 
181
        self._update_tags()
247
182
 
248
183
        go_menu.add(go_menu_next)
249
184
        go_menu.add(go_menu_prev)
250
185
        go_menu.add(gtk.SeparatorMenuItem())
251
186
        go_menu.add(self.go_menu_tags)
252
187
 
253
 
        self.revision_menu = RevisionMenu(self.branch.repository, [], self.branch, parent=self)
 
188
        revision_menu = gtk.Menu()
254
189
        revision_menuitem = gtk.MenuItem("_Revision")
255
 
        revision_menuitem.set_submenu(self.revision_menu)
 
190
        revision_menuitem.set_submenu(revision_menu)
 
191
 
 
192
        revision_menu_diff = gtk.MenuItem("View Changes")
 
193
        revision_menu_diff.connect('activate', 
 
194
                lambda w: self.treeview.show_diff())
 
195
 
 
196
        revision_menu_tag = gtk.MenuItem("Tag Revision")
 
197
        revision_menu_tag.connect('activate', self._tag_revision_cb)
 
198
 
 
199
        revision_menu.add(revision_menu_tag)
 
200
        revision_menu.add(revision_menu_diff)
256
201
 
257
202
        branch_menu = gtk.Menu()
258
203
        branch_menuitem = gtk.MenuItem("_Branch")
261
206
        branch_menu.add(gtk.MenuItem("Pu_ll Revisions"))
262
207
        branch_menu.add(gtk.MenuItem("Pu_sh Revisions"))
263
208
 
264
 
        try:
265
 
            from bzrlib.plugins import search
266
 
        except ImportError:
267
 
            mutter("Didn't find search plugin")
268
 
        else:
269
 
            branch_menu.add(gtk.SeparatorMenuItem())
270
 
 
271
 
            branch_index_menuitem = gtk.MenuItem("_Index")
272
 
            branch_index_menuitem.connect('activate', self._branch_index_cb)
273
 
            branch_menu.add(branch_index_menuitem)
274
 
 
275
 
            branch_search_menuitem = gtk.MenuItem("_Search")
276
 
            branch_search_menuitem.connect('activate', self._branch_search_cb)
277
 
            branch_menu.add(branch_search_menuitem)
278
 
 
279
209
        help_menu = gtk.Menu()
280
210
        help_menuitem = gtk.MenuItem("_Help")
281
211
        help_menuitem.set_submenu(help_menu)
302
232
 
303
233
        self.treeview = TreeView(self.branch, self.start_revs, self.maxnum, self.compact_view)
304
234
 
 
235
        self.treeview.connect('revision-selected',
 
236
                self._treeselection_changed_cb)
 
237
        self.treeview.connect('revision-activated',
 
238
                self._tree_revision_activated)
 
239
 
 
240
        self.treeview.connect('tag-added', lambda w, t, r: self._update_tags())
 
241
 
305
242
        for col in ["revno", "date"]:
306
243
            option = self.config.get_user_option(col + '-column-visible')
307
244
            if option is not None:
308
245
                self.treeview.set_property(col + '-column-visible', option == 'True')
309
 
            else:
310
 
                self.treeview.set_property(col + '-column-visible', False)
311
246
 
 
247
        self.treeview.set_property(col + '-column-visible', False)
312
248
        self.treeview.show()
313
249
 
314
250
        align = gtk.Alignment(0.0, 0.0, 1.0, 1.0)
315
251
        align.set_padding(5, 0, 0, 0)
316
252
        align.add(self.treeview)
317
 
        # user-configured size
318
 
        size = self._load_size('viz-graph-size')
319
 
        if size:
320
 
            width, height = size
321
 
            align.set_size_request(width, height)
322
 
        else:
323
 
            (width, height) = self.get_size()
324
 
            align.set_size_request(width, int(height / 2.5))
325
 
        self._save_size_on_destroy(align, 'viz-graph-size')
326
253
        align.show()
327
254
 
328
255
        return align
350
277
 
351
278
    def construct_bottom(self):
352
279
        """Construct the bottom half of the window."""
353
 
        if self.config.get_user_option('viz-wide-diffs') == 'True':
354
 
            self.diff_paned = gtk.VPaned()
355
 
        else:
356
 
            self.diff_paned = gtk.HPaned()
357
 
        (width, height) = self.get_size()
358
 
        self.diff_paned.set_size_request(20, 20) # shrinkable
359
 
 
360
280
        from bzrlib.plugins.gtk.revisionview import RevisionView
361
281
        self.revisionview = RevisionView(branch=self.branch)
362
 
        self.revisionview.set_size_request(width/3, int(height / 2.5))
363
 
        # user-configured size
364
 
        size = self._load_size('viz-revisionview-size')
365
 
        if size:
366
 
            width, height = size
367
 
            self.revisionview.set_size_request(width, height)
368
 
        self._save_size_on_destroy(self.revisionview, 'viz-revisionview-size')
 
282
        (width, height) = self.get_size()
 
283
        self.revisionview.set_size_request(width, int(height / 2.5))
369
284
        self.revisionview.show()
370
285
        self.revisionview.set_show_callback(self._show_clicked_cb)
371
286
        self.revisionview.connect('notify::revision', self._go_clicked_cb)
372
287
        self.treeview.connect('tag-added', lambda w, t, r: self.revisionview.update_tags())
373
 
        self.diff_paned.pack1(self.revisionview)
374
 
 
375
 
        from bzrlib.plugins.gtk.diff import DiffWidget
376
 
        self.diff = DiffWidget()
377
 
        self.diff_paned.pack2(self.diff)
378
 
 
379
 
        self.diff_paned.show_all()
380
 
        if self.config.get_user_option('viz-show-diffs') != 'True':
381
 
            self.diff.hide()
382
 
 
383
 
        return self.diff_paned
 
288
        return self.revisionview
384
289
 
385
290
    def _tag_selected_cb(self, menuitem, revid):
386
291
        self.treeview.set_revision_id(revid)
391
296
        parents  = self.treeview.get_parents()
392
297
        children = self.treeview.get_children()
393
298
 
394
 
        self.revision_menu.set_revision_ids([revision.revision_id])
395
 
 
396
 
        if revision and revision != NULL_REVISION:
 
299
        if revision is not None:
397
300
            prev_menu = gtk.Menu()
398
301
            if len(parents) > 0:
399
302
                self.prev_rev_action.set_sensitive(True)
400
303
                for parent_id in parents:
401
 
                    if parent_id and parent_id != NULL_REVISION:
402
 
                        parent = self.branch.repository.get_revision(parent_id)
403
 
                        try:
404
 
                            str = ' (' + parent.properties['branch-nick'] + ')'
405
 
                        except KeyError:
406
 
                            str = ""
 
304
                    parent = self.branch.repository.get_revision(parent_id)
 
305
                    try:
 
306
                        str = ' (' + parent.properties['branch-nick'] + ')'
 
307
                    except KeyError:
 
308
                        str = ""
407
309
 
408
 
                        item = gtk.MenuItem(parent.message.split("\n")[0] + str)
409
 
                        item.connect('activate', self._set_revision_cb, parent_id)
410
 
                        prev_menu.add(item)
 
310
                    item = gtk.MenuItem(parent.message.split("\n")[0] + str)
 
311
                    item.connect('activate', self._set_revision_cb, parent_id)
 
312
                    prev_menu.add(item)
411
313
                prev_menu.show_all()
412
314
            else:
413
315
                self.prev_rev_action.set_sensitive(False)
437
339
 
438
340
            self.revisionview.set_revision(revision)
439
341
            self.revisionview.set_children(children)
440
 
            self.update_diff_panel(revision, parents)
441
 
 
 
342
    
442
343
    def _tree_revision_activated(self, widget, path, col):
443
344
        # TODO: more than one parent
444
345
        """Callback for when a treeview row gets activated."""
446
347
        parents  = self.treeview.get_parents()
447
348
 
448
349
        if len(parents) == 0:
449
 
            parent_id = NULL_REVISION
 
350
            parent_id = None
450
351
        else:
451
352
            parent_id = parents[0]
452
353
 
453
354
        self.show_diff(revision.revision_id, parent_id)
454
355
        self.treeview.grab_focus()
455
 
        
 
356
    
 
357
 
456
358
    def _back_clicked_cb(self, *args):
457
359
        """Callback for when the back button is clicked."""
458
360
        self.treeview.back()
486
388
        self.treeview.set_property('compact', self.compact_view)
487
389
        self.treeview.refresh()
488
390
 
489
 
    def _branch_index_cb(self, w):
490
 
        from bzrlib.plugins.search import index as _mod_index
491
 
        _mod_index.index_url(self.branch.base)
492
 
 
493
 
    def _branch_search_cb(self, w):
494
 
        from bzrlib.plugins.search import index as _mod_index
495
 
        from bzrlib.plugins.gtk.search import SearchDialog
496
 
        from bzrlib.plugins.search import errors as search_errors
497
 
 
 
391
    def _tag_revision_cb(self, w):
498
392
        try:
499
 
            index = _mod_index.open_index_url(self.branch.base)
500
 
        except search_errors.NoSearchIndex:
501
 
            dialog = gtk.MessageDialog(self, type=gtk.MESSAGE_QUESTION, 
502
 
                buttons=gtk.BUTTONS_OK_CANCEL, 
503
 
                message_format="This branch has not been indexed yet. "
504
 
                               "Index now?")
505
 
            if dialog.run() == gtk.RESPONSE_OK:
506
 
                dialog.destroy()
507
 
                index = _mod_index.index_url(self.branch.base)
508
 
            else:
509
 
                dialog.destroy()
510
 
                return
511
 
 
512
 
        dialog = SearchDialog(index)
513
 
        
514
 
        if dialog.run() == gtk.RESPONSE_OK:
515
 
            self.set_revision(dialog.get_revision())
516
 
 
517
 
        dialog.destroy()
 
393
            self.treeview.set_sensitive(False)
 
394
            dialog = AddTagDialog(self.branch.repository, self.treeview.get_revision().revision_id, self.branch)
 
395
            response = dialog.run()
 
396
            if response != gtk.RESPONSE_NONE:
 
397
                dialog.hide()
 
398
            
 
399
                if response == gtk.RESPONSE_OK:
 
400
                    self.treeview.add_tag(dialog.tagname, dialog._revid)
 
401
                
 
402
                dialog.destroy()
 
403
 
 
404
        finally:
 
405
            self.treeview.set_sensitive(True)
518
406
 
519
407
    def _about_dialog_cb(self, w):
520
408
        from bzrlib.plugins.gtk.about import AboutDialog
527
415
 
528
416
    def _toolbar_visibility_changed(self, col):
529
417
        if col.get_active():
530
 
            self.toolbar.show()
 
418
            self.toolbar.show() 
531
419
        else:
532
420
            self.toolbar.hide()
533
 
        self.config.set_user_option('viz-toolbar-visible', col.get_active())
534
 
 
535
 
    def _make_diff_nonzero_size(self):
536
 
        """make sure the diff isn't zero-width or zero-height"""
537
 
        alloc = self.diff.get_allocation()
538
 
        if (alloc.width < 10) or (alloc.height < 10):
539
 
            width, height = self.get_size()
540
 
            self.revisionview.set_size_request(width/3, int(height / 2.5))
541
 
 
542
 
    def _diff_visibility_changed(self, col):
543
 
        """Hide or show the diff panel."""
544
 
        if col.get_active():
545
 
            self.diff.show()
546
 
            self._make_diff_nonzero_size()
547
 
        else:
548
 
            self.diff.hide()
549
 
        self.config.set_user_option('viz-show-diffs', str(col.get_active()))
550
 
        self.update_diff_panel()
551
 
 
552
 
    def _diff_placement_changed(self, col):
553
 
        """Toggle the diff panel's position."""
554
 
        self.config.set_user_option('viz-wide-diffs', str(col.get_active()))
555
 
 
556
 
        old = self.paned.get_child2()
557
 
        self.paned.remove(old)
558
 
        self.paned.pack2(self.construct_bottom(), resize=True, shrink=False)
559
 
        self._make_diff_nonzero_size()
560
 
 
561
 
        self.treeview.emit('revision-selected')
562
 
    
563
 
    def _diff_wrap_changed(self, widget):
564
 
        """Toggle word wrap in the diff widget."""
565
 
        self.config.set_user_option('viz-wrap-diffs', widget.get_active())
566
 
        self.diff._on_wraplines_toggled(widget)
567
 
    
 
421
 
568
422
    def _show_about_cb(self, w):
569
423
        dialog = AboutDialog()
570
424
        dialog.connect('response', lambda d,r: d.destroy())
578
432
 
579
433
        if self.branch.supports_tags():
580
434
            tags = self.branch.tags.get_tag_dict().items()
581
 
            tags.sort(reverse=True)
 
435
            tags.sort()
 
436
            tags.reverse()
582
437
            for tag, revid in tags:
583
 
                tag_image = gtk.Image()
584
 
                tag_image.set_from_file(icon_path('tag-16.png'))
585
 
                tag_item = gtk.ImageMenuItem(tag.replace('_', '__'))
586
 
                tag_item.set_image(tag_image)
 
438
                tag_item = gtk.MenuItem(tag, use_underline=False)
587
439
                tag_item.connect('activate', self._tag_selected_cb, revid)
588
 
                tag_item.set_sensitive(self.treeview.has_revision_id(revid))
589
440
                menu.add(tag_item)
590
441
            self.go_menu_tags.set_submenu(menu)
591
442
 
595
446
 
596
447
        self.go_menu_tags.show_all()
597
448
 
598
 
    def _load_size(self, name):
599
 
        """Read and parse 'name' from self.config.
600
 
        The value is a string, formatted as WIDTHxHEIGHT
601
 
        Returns None, or (width, height)
602
 
        """
603
 
        size = self.config.get_user_option(name)
604
 
        if size:
605
 
            width, height = [int(num) for num in size.split('x')]
606
 
            # avoid writing config every time we start
607
 
            return width, height
608
 
        return None
609
 
 
610
 
    def show_diff(self, revid=None, parentid=NULL_REVISION):
 
449
    def show_diff(self, revid=None, parentid=None):
611
450
        """Open a new window to show a diff between the given revisions."""
612
451
        from bzrlib.plugins.gtk.diff import DiffWindow
613
452
        window = DiffWindow(parent=self)
614
453
 
 
454
        if parentid is None:
 
455
            parentid = NULL_REVISION
 
456
 
615
457
        rev_tree    = self.branch.repository.revision_tree(revid)
616
458
        parent_tree = self.branch.repository.revision_tree(parentid)
617
459
 
618
 
        description = revid + " - " + self.branch._get_nick(local=True)
 
460
        description = revid + " - " + self.branch.nick
619
461
        window.set_diff(description, rev_tree, parent_tree)
620
462
        window.show()
621
463
 
622
 
    def update_diff_panel(self, revision=None, parents=None):
623
 
        """Show the current revision in the diff panel."""
624
 
        if self.config.get_user_option('viz-show-diffs') != 'True':
625
 
            return
626
 
 
627
 
        if not revision: # default to selected row
628
 
            revision = self.treeview.get_revision()
629
 
        if revision == NULL_REVISION:
630
 
            return
631
 
 
632
 
        if not parents: # default to selected row's parents
633
 
            parents  = self.treeview.get_parents()
634
 
        if len(parents) == 0:
635
 
            parent_id = NULL_REVISION
636
 
        else:
637
 
            parent_id = parents[0]
638
 
 
639
 
        rev_tree    = self.branch.repository.revision_tree(revision.revision_id)
640
 
        parent_tree = self.branch.repository.revision_tree(parent_id)
641
 
 
642
 
        self.diff.set_diff(rev_tree, parent_tree)
643
 
        if self.config.get_user_option('viz-wrap-diffs') == 'True':
644
 
            self.diff._on_wraplines_toggled(wrap=True)
645
 
        self.diff.show_all()
 
464