/b-gtk/fix-viz

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/b-gtk/fix-viz

« back to all changes in this revision

Viewing changes to viz/branchwin.py

  • Committer: Daniel Schierbeck
  • Date: 2007-11-08 16:31:43 UTC
  • Revision ID: daniel.schierbeck@gmail.com-20071108163143-yfhd43jkvuvb8icg
Changed 'back' into 'prev' and 'fwd' into 'next'.

Show diffs side-by-side

added added

removed removed

Lines of Context:
viz/branchwin.py
14
14
import pango
15
15
 
16
16
from bzrlib.plugins.gtk.window import Window
17
 
from bzrlib.plugins.gtk import icon_path
18
17
from bzrlib.plugins.gtk.tags import AddTagDialog
19
18
from bzrlib.plugins.gtk.preferences import PreferencesWindow
20
 
from bzrlib.plugins.gtk.branchview import TreeView, treemodel
21
 
from bzrlib.revision import Revision, NULL_REVISION
 
19
from bzrlib.revision import Revision
22
20
from bzrlib.config import BranchConfig
23
21
from bzrlib.config import GlobalConfig
 
22
from treeview import TreeView
 
23
from about import AboutDialog
24
24
 
25
25
class BranchWindow(Window):
26
26
    """Branch window.
29
29
    for a particular branch.
30
30
    """
31
31
 
32
 
    def __init__(self, branch, start_revs, maxnum, parent=None):
 
32
    def __init__(self, branch, start, maxnum, parent=None):
33
33
        """Create a new BranchWindow.
34
34
 
35
35
        :param branch: Branch object for branch to show.
36
 
        :param start_revs: Revision ids of top revisions.
 
36
        :param start: Revision id of top revision.
37
37
        :param maxnum: Maximum number of revisions to display, 
38
38
                       None for no limit.
39
39
        """
42
42
        self.set_border_width(0)
43
43
 
44
44
        self.branch      = branch
45
 
        self.start_revs  = start_revs
 
45
        self.start       = start
46
46
        self.maxnum      = maxnum
47
47
        self.config      = GlobalConfig()
48
48
 
64
64
        icon = self.render_icon(gtk.STOCK_INDEX, gtk.ICON_SIZE_BUTTON)
65
65
        self.set_icon(icon)
66
66
 
67
 
        gtk.accel_map_add_entry("<viz>/Go/Next Revision", gtk.keysyms.Up, gtk.gdk.MOD1_MASK)
68
 
        gtk.accel_map_add_entry("<viz>/Go/Previous Revision", gtk.keysyms.Down, gtk.gdk.MOD1_MASK)
69
 
        gtk.accel_map_add_entry("<viz>/View/Refresh", gtk.keysyms.F5, 0)
70
 
 
71
67
        self.accel_group = gtk.AccelGroup()
72
68
        self.add_accel_group(self.accel_group)
73
69
 
74
 
        gtk.Action.set_tool_item_type(gtk.MenuToolButton)
75
 
 
76
 
        self.prev_rev_action = gtk.Action("prev-rev", "_Previous Revision", "Go to the previous revision", gtk.STOCK_GO_DOWN)
77
 
        self.prev_rev_action.set_accel_path("<viz>/Go/Previous Revision")
78
 
        self.prev_rev_action.set_accel_group(self.accel_group)
79
 
        self.prev_rev_action.connect("activate", self._back_clicked_cb)
80
 
        self.prev_rev_action.connect_accelerator()
81
 
 
82
 
        self.next_rev_action = gtk.Action("next-rev", "_Next Revision", "Go to the next revision", gtk.STOCK_GO_UP)
83
 
        self.next_rev_action.set_accel_path("<viz>/Go/Next Revision")
84
 
        self.next_rev_action.set_accel_group(self.accel_group)
85
 
        self.next_rev_action.connect("activate", self._fwd_clicked_cb)
86
 
        self.next_rev_action.connect_accelerator()
87
 
 
88
 
        self.refresh_action = gtk.Action("refresh", "_Refresh", "Refresh view", gtk.STOCK_REFRESH)
89
 
        self.refresh_action.set_accel_path("<viz>/View/Refresh")
90
 
        self.refresh_action.set_accel_group(self.accel_group)
91
 
        self.refresh_action.connect("activate", self._refresh_clicked)
92
 
        self.refresh_action.connect_accelerator()
93
 
 
94
70
        self.construct()
95
71
 
96
72
    def set_revision(self, revid):
108
84
 
109
85
        vbox.pack_start(self.construct_menubar(), expand=False, fill=True)
110
86
        vbox.pack_start(self.construct_navigation(), expand=False, fill=True)
 
87
        vbox.pack_start(self.construct_loading_msg(), expand=False, fill=True)
111
88
        
112
89
        vbox.pack_start(self.paned, expand=True, fill=True)
113
90
        vbox.set_focus_child(self.paned)
127
104
        file_menu_quit = gtk.ImageMenuItem(gtk.STOCK_QUIT, self.accel_group)
128
105
        file_menu_quit.connect('activate', lambda x: gtk.main_quit())
129
106
        
130
 
        if self._parent is not None:
131
 
            file_menu.add(file_menu_close)
 
107
        file_menu.add(file_menu_close)
132
108
        file_menu.add(file_menu_quit)
133
109
 
134
110
        edit_menu = gtk.Menu()
140
116
        edit_menu_branchopts = gtk.MenuItem("Branch Settings")
141
117
        edit_menu_branchopts.connect('activate', lambda x: PreferencesWindow(self.branch.get_config()).show())
142
118
 
143
 
        edit_menu_globopts = gtk.MenuItem("Global Settings")
144
 
        edit_menu_globopts.connect('activate', lambda x: PreferencesWindow().show())
 
119
        edit_menu_prefs = gtk.ImageMenuItem(gtk.STOCK_PREFERENCES)
 
120
        edit_menu_prefs.connect('activate', lambda x: PreferencesWindow().show())
145
121
 
146
122
        edit_menu.add(edit_menu_find)
147
123
        edit_menu.add(edit_menu_branchopts)
148
 
        edit_menu.add(edit_menu_globopts)
 
124
        edit_menu.add(edit_menu_prefs)
149
125
 
150
126
        view_menu = gtk.Menu()
151
127
        view_menuitem = gtk.MenuItem("_View")
152
128
        view_menuitem.set_submenu(view_menu)
153
129
 
154
 
        view_menu_refresh = self.refresh_action.create_menu_item()
155
 
        view_menu_refresh.connect('activate', self._refresh_clicked)
156
 
 
157
 
        view_menu.add(view_menu_refresh)
158
 
        view_menu.add(gtk.SeparatorMenuItem())
159
 
 
160
130
        view_menu_toolbar = gtk.CheckMenuItem("Show Toolbar")
161
131
        view_menu_toolbar.set_active(True)
162
132
        view_menu_toolbar.connect('toggled', self._toolbar_visibility_changed)
169
139
        view_menu.add(view_menu_compact)
170
140
        view_menu.add(gtk.SeparatorMenuItem())
171
141
 
172
 
        self.mnu_show_revno_column = gtk.CheckMenuItem("Show Revision _Number Column")
173
 
        self.mnu_show_date_column = gtk.CheckMenuItem("Show _Date Column")
174
 
 
175
 
        # Revision numbers are pointless if there are multiple branches
176
 
        if len(self.start_revs) > 1:
177
 
            self.mnu_show_revno_column.set_sensitive(False)
178
 
            self.treeview.set_property('revno-column-visible', False)
179
 
 
180
 
        for (col, name) in [(self.mnu_show_revno_column, "revno"), 
181
 
                            (self.mnu_show_date_column, "date")]:
 
142
        for (label, name) in [("Revision _Number", "revno"), ("_Date", "date")]:
 
143
            col = gtk.CheckMenuItem("Show " + label + " Column")
182
144
            col.set_active(self.treeview.get_property(name + "-column-visible"))
183
145
            col.connect('toggled', self._col_visibility_changed, name)
184
146
            view_menu.add(col)
185
147
 
186
148
        go_menu = gtk.Menu()
187
 
        go_menu.set_accel_group(self.accel_group)
188
149
        go_menuitem = gtk.MenuItem("_Go")
189
150
        go_menuitem.set_submenu(go_menu)
190
151
        
191
 
        go_menu_next = self.next_rev_action.create_menu_item()
192
 
        go_menu_prev = self.prev_rev_action.create_menu_item()
193
 
 
194
 
        tag_image = gtk.Image()
195
 
        tag_image.set_from_file(icon_path("tag-16.png"))
196
 
        self.go_menu_tags = gtk.ImageMenuItem("_Tags")
197
 
        self.go_menu_tags.set_image(tag_image)
198
 
        self._update_tags()
199
 
 
200
 
        go_menu.add(go_menu_next)
201
 
        go_menu.add(go_menu_prev)
 
152
        go_menu_back = gtk.ImageMenuItem(gtk.STOCK_GO_DOWN)
 
153
        go_menu_back.connect("activate", self._back_clicked_cb)
 
154
 
 
155
        go_menu_forward = gtk.ImageMenuItem(gtk.STOCK_GO_UP)
 
156
        go_menu_forward.connect("activate", self._fwd_clicked_cb)
 
157
 
 
158
        tags_menu = gtk.Menu()
 
159
        go_menu_tags = gtk.MenuItem("_Tags")
 
160
        go_menu_tags.set_submenu(tags_menu)
 
161
 
 
162
        if self.branch.supports_tags():
 
163
            for (tag, revid) in self.branch.tags.get_tag_dict().items():
 
164
                tag_item = gtk.MenuItem(tag)
 
165
                tag_item.connect('activate', self._tag_selected_cb, revid)
 
166
                tags_menu.add(tag_item)
 
167
 
 
168
        go_menu.add(go_menu_back)
 
169
        go_menu.add(go_menu_forward)
202
170
        go_menu.add(gtk.SeparatorMenuItem())
203
 
        go_menu.add(self.go_menu_tags)
 
171
        go_menu.add(go_menu_tags)
204
172
 
205
173
        revision_menu = gtk.Menu()
206
174
        revision_menuitem = gtk.MenuItem("_Revision")
208
176
 
209
177
        revision_menu_diff = gtk.MenuItem("View Changes")
210
178
        revision_menu_diff.connect('activate', 
211
 
                self._menu_diff_cb)
212
 
        
213
 
        revision_menu_compare = gtk.MenuItem("Compare with...")
214
 
        revision_menu_compare.connect('activate',
215
 
                self._compare_with_cb)
 
179
                lambda w: self.treeview.show_diff())
216
180
 
217
181
        revision_menu_tag = gtk.MenuItem("Tag Revision")
218
182
        revision_menu_tag.connect('activate', self._tag_revision_cb)
219
183
 
220
184
        revision_menu.add(revision_menu_tag)
221
185
        revision_menu.add(revision_menu_diff)
222
 
        revision_menu.add(revision_menu_compare)
223
186
 
224
187
        branch_menu = gtk.Menu()
225
188
        branch_menuitem = gtk.MenuItem("_Branch")
232
195
        help_menuitem = gtk.MenuItem("_Help")
233
196
        help_menuitem.set_submenu(help_menu)
234
197
 
235
 
        help_about_menuitem = gtk.ImageMenuItem(gtk.STOCK_ABOUT, self.accel_group)
236
 
        help_about_menuitem.connect('activate', self._about_dialog_cb)
237
 
 
238
 
        help_menu.add(help_about_menuitem)
239
 
 
 
198
        help_menu_about = gtk.ImageMenuItem(gtk.STOCK_ABOUT)
 
199
        help_menu_about.connect('activate', self._show_about_cb)
 
200
 
 
201
        help_menu.add(help_menu_about)
 
202
       
240
203
        menubar.add(file_menuitem)
241
204
        menubar.add(edit_menuitem)
242
205
        menubar.add(view_menuitem)
247
210
        menubar.show_all()
248
211
 
249
212
        return menubar
 
213
    
 
214
    def construct_loading_msg(self):
 
215
        image_loading = gtk.image_new_from_stock(gtk.STOCK_REFRESH,
 
216
                                                 gtk.ICON_SIZE_BUTTON)
 
217
        image_loading.show()
 
218
        
 
219
        label_loading = gtk.Label(_("Please wait, loading ancestral graph..."))
 
220
        label_loading.set_alignment(0.0, 0.5)
 
221
        label_loading.show()
 
222
        
 
223
        self.loading_msg_box = gtk.HBox()
 
224
        self.loading_msg_box.set_spacing(5)
 
225
        self.loading_msg_box.set_border_width(5)        
 
226
        self.loading_msg_box.pack_start(image_loading, False, False)
 
227
        self.loading_msg_box.pack_start(label_loading, True, True)
 
228
        self.loading_msg_box.show()
 
229
        
 
230
        return self.loading_msg_box
250
231
 
251
232
    def construct_top(self):
252
233
        """Construct the top-half of the window."""
253
234
        # FIXME: Make broken_line_length configurable
 
235
        if self.compact_view:
 
236
            brokenlines = 32
 
237
        else:
 
238
            brokenlines = None
254
239
 
255
 
        self.treeview = TreeView(self.branch, self.start_revs, self.maxnum, self.compact_view)
 
240
        self.treeview = TreeView(self.branch, self.start, self.maxnum, brokenlines)
256
241
 
257
242
        self.treeview.connect('revision-selected',
258
243
                self._treeselection_changed_cb)
259
 
        self.treeview.connect('revision-activated',
260
 
                self._tree_revision_activated)
261
244
 
262
 
        self.treeview.connect('tag-added', lambda w, t, r: self._update_tags())
 
245
        self.treeview.connect('revisions-loaded', 
 
246
                lambda x: self.loading_msg_box.hide())
263
247
 
264
248
        for col in ["revno", "date"]:
265
249
            option = self.config.get_user_option(col + '-column-visible')
266
250
            if option is not None:
267
251
                self.treeview.set_property(col + '-column-visible', option == 'True')
268
 
            else:
269
 
                self.treeview.set_property(col + '-column-visible', False)
270
252
 
271
253
        self.treeview.show()
272
254
 
282
264
        self.toolbar = gtk.Toolbar()
283
265
        self.toolbar.set_style(gtk.TOOLBAR_BOTH_HORIZ)
284
266
 
285
 
        self.prev_button = self.prev_rev_action.create_tool_item()
 
267
        self.prev_button = gtk.MenuToolButton(stock_id=gtk.STOCK_GO_DOWN)
 
268
        self.prev_button.add_accelerator("clicked", self.accel_group, ord('['),
 
269
                                         0, 0)
 
270
        self.prev_button.connect("clicked", self._back_clicked_cb)
286
271
        self.toolbar.insert(self.prev_button, -1)
287
272
 
288
 
        self.next_button = self.next_rev_action.create_tool_item()
 
273
        self.next_button = gtk.MenuToolButton(stock_id=gtk.STOCK_GO_UP)
 
274
        self.next_button.add_accelerator("clicked", self.accel_group, ord(']'),
 
275
                                        0, 0)
 
276
        self.next_button.connect("clicked", self._fwd_clicked_cb)
289
277
        self.toolbar.insert(self.next_button, -1)
290
278
 
291
 
        self.toolbar.insert(gtk.SeparatorToolItem(), -1)
292
 
 
293
 
        refresh_button = gtk.ToolButton(gtk.STOCK_REFRESH)
294
 
        refresh_button.connect('clicked', self._refresh_clicked)
295
 
        self.toolbar.insert(refresh_button, -1)
296
 
 
297
279
        self.toolbar.show_all()
298
280
 
299
281
        return self.toolbar
301
283
    def construct_bottom(self):
302
284
        """Construct the bottom half of the window."""
303
285
        from bzrlib.plugins.gtk.revisionview import RevisionView
304
 
        self.revisionview = RevisionView(branch=self.branch)
 
286
        self.revisionview = RevisionView(None, tags=[], show_children=True, branch=self.branch)
305
287
        (width, height) = self.get_size()
306
288
        self.revisionview.set_size_request(width, int(height / 2.5))
307
289
        self.revisionview.show()
308
290
        self.revisionview.set_show_callback(self._show_clicked_cb)
309
 
        self.revisionview.connect('notify::revision', self._go_clicked_cb)
310
 
        self.treeview.connect('tag-added', lambda w, t, r: self.revisionview.update_tags())
 
291
        self.revisionview.set_go_callback(self._go_clicked_cb)
311
292
        return self.revisionview
312
293
 
313
294
    def _tag_selected_cb(self, menuitem, revid):
319
300
        parents  = self.treeview.get_parents()
320
301
        children = self.treeview.get_children()
321
302
 
322
 
        if revision and revision != NULL_REVISION:
 
303
        if revision is not None:
323
304
            prev_menu = gtk.Menu()
324
305
            if len(parents) > 0:
325
 
                self.prev_rev_action.set_sensitive(True)
 
306
                self.prev_button.set_sensitive(True)
326
307
                for parent_id in parents:
327
 
                    if parent_id and parent_id != NULL_REVISION:
328
 
                        parent = self.branch.repository.get_revision(parent_id)
329
 
                        try:
330
 
                            str = ' (' + parent.properties['branch-nick'] + ')'
331
 
                        except KeyError:
332
 
                            str = ""
 
308
                    parent = self.branch.repository.get_revision(parent_id)
 
309
                    try:
 
310
                        str = ' (' + parent.properties['branch-nick'] + ')'
 
311
                    except KeyError:
 
312
                        str = ""
333
313
 
334
 
                        item = gtk.MenuItem(parent.message.split("\n")[0] + str)
335
 
                        item.connect('activate', self._set_revision_cb, parent_id)
336
 
                        prev_menu.add(item)
 
314
                    item = gtk.MenuItem(parent.message.split("\n")[0] + str)
 
315
                    item.connect('activate', self._set_revision_cb, parent_id)
 
316
                    prev_menu.add(item)
337
317
                prev_menu.show_all()
338
318
            else:
339
 
                self.prev_rev_action.set_sensitive(False)
 
319
                self.prev_button.set_sensitive(False)
340
320
                prev_menu.hide()
341
321
 
342
322
            self.prev_button.set_menu(prev_menu)
343
323
 
344
324
            next_menu = gtk.Menu()
345
325
            if len(children) > 0:
346
 
                self.next_rev_action.set_sensitive(True)
 
326
                self.next_button.set_sensitive(True)
347
327
                for child_id in children:
348
328
                    child = self.branch.repository.get_revision(child_id)
349
329
                    try:
356
336
                    next_menu.add(item)
357
337
                next_menu.show_all()
358
338
            else:
359
 
                self.next_rev_action.set_sensitive(False)
 
339
                self.next_button.set_sensitive(False)
360
340
                next_menu.hide()
361
341
 
362
342
            self.next_button.set_menu(next_menu)
363
343
 
364
 
            self.revisionview.set_revision(revision)
365
 
            self.revisionview.set_children(children)
366
 
    
367
 
    def _tree_revision_activated(self, widget, path, col):
368
 
        # TODO: more than one parent
369
 
        """Callback for when a treeview row gets activated."""
370
 
        revision = self.treeview.get_revision()
371
 
        parents  = self.treeview.get_parents()
372
 
 
373
 
        if len(parents) == 0:
374
 
            parent_id = None
375
 
        else:
376
 
            parent_id = parents[0]
377
 
 
378
 
        self.show_diff(revision.revision_id, parent_id)
379
 
        self.treeview.grab_focus()
380
 
        
381
 
    def _menu_diff_cb(self,w):
382
 
        (path, focus) = self.treeview.treeview.get_cursor()
383
 
        revid = self.treeview.model[path][treemodel.REVID]
384
 
        
385
 
        parentids = self.branch.repository.revision_parents(revid)
386
 
 
387
 
        if len(parentids) == 0:
388
 
            parentid = NULL_REVISION
389
 
        else:
390
 
            parentid = parentids[0]
391
 
        
392
 
        self.show_diff(revid,parentid)    
 
344
            tags = []
 
345
            if self.branch.supports_tags():
 
346
                tagdict = self.branch.tags.get_reverse_tag_dict()
 
347
                if tagdict.has_key(revision.revision_id):
 
348
                    tags = tagdict[revision.revision_id]
 
349
            self.revisionview.set_revision(revision, tags, children)
393
350
 
394
351
    def _back_clicked_cb(self, *args):
395
352
        """Callback for when the back button is clicked."""
399
356
        """Callback for when the forward button is clicked."""
400
357
        self.treeview.forward()
401
358
 
402
 
    def _go_clicked_cb(self, w, p):
 
359
    def _go_clicked_cb(self, revid):
403
360
        """Callback for when the go button for a parent is clicked."""
404
 
        if self.revisionview.get_revision() is not None:
405
 
            self.treeview.set_revision(self.revisionview.get_revision())
 
361
        self.treeview.set_revision_id(revid)
406
362
 
407
363
    def _show_clicked_cb(self, revid, parentid):
408
364
        """Callback for when the show button for a parent is clicked."""
409
 
        self.show_diff(revid, parentid)
 
365
        self.treeview.show_diff(revid, parentid)
410
366
        self.treeview.grab_focus()
411
367
 
412
 
    def _compare_with_cb(self,w):
413
 
        """Callback for revision 'compare with' menu. Will show a small
414
 
            dialog with branch revisions to compare with selected revision in TreeView"""
415
 
        
416
 
        from bzrlib.plugins.gtk.revbrowser import RevisionBrowser
417
 
        
418
 
        rb = RevisionBrowser(self.branch,self)
419
 
        ret = rb.run()
420
 
        
421
 
        if ret == gtk.RESPONSE_OK:          
422
 
            (path, focus) = self.treeview.treeview.get_cursor()
423
 
            revid = self.treeview.model[path][treemodel.REVID]
424
 
            self.show_diff(revid, rb.selected_revid)
425
 
            
426
 
        rb.destroy()
427
 
            
428
368
    def _set_revision_cb(self, w, revision_id):
429
369
        self.treeview.set_revision_id(revision_id)
430
370
 
437
377
            option = 'no'
438
378
 
439
379
        self.config.set_user_option('viz-compact-view', option)
440
 
        self.treeview.set_property('compact', self.compact_view)
441
 
        self.treeview.refresh()
 
380
 
 
381
        revision = self.treeview.get_revision()
 
382
 
 
383
        self.paned.get_child1().destroy()
 
384
        self.paned.pack1(self.construct_top(), resize=True, shrink=False)
 
385
 
 
386
        gobject.idle_add(self.set_revision, revision.revision_id)
442
387
 
443
388
    def _tag_revision_cb(self, w):
444
 
        try:
445
 
            self.treeview.set_sensitive(False)
446
 
            dialog = AddTagDialog(self.branch.repository, self.treeview.get_revision().revision_id, self.branch)
447
 
            response = dialog.run()
448
 
            if response != gtk.RESPONSE_NONE:
449
 
                dialog.hide()
 
389
        dialog = AddTagDialog(self.branch.repository, self.treeview.get_revision().revision_id, self.branch)
 
390
        response = dialog.run()
 
391
        if response != gtk.RESPONSE_NONE:
 
392
            dialog.hide()
 
393
        
 
394
            if response == gtk.RESPONSE_OK:
 
395
                try:
 
396
                    self.branch.lock_write()
 
397
                    self.branch.tags.set_tag(dialog.tagname, dialog._revid)
 
398
                finally:
 
399
                    self.branch.unlock()
450
400
            
451
 
                if response == gtk.RESPONSE_OK:
452
 
                    self.treeview.add_tag(dialog.tagname, dialog._revid)
453
 
                
454
 
                dialog.destroy()
455
 
 
456
 
        finally:
457
 
            self.treeview.set_sensitive(True)
458
 
 
459
 
    def _about_dialog_cb(self, w):
460
 
        from bzrlib.plugins.gtk.about import AboutDialog
461
 
 
462
 
        AboutDialog().run()
 
401
            dialog.destroy()
463
402
 
464
403
    def _col_visibility_changed(self, col, property):
465
404
        self.config.set_user_option(property + '-column-visible', col.get_active())
475
414
        dialog = AboutDialog()
476
415
        dialog.connect('response', lambda d,r: d.destroy())
477
416
        dialog.run()
478
 
 
479
 
    def _refresh_clicked(self, w):
480
 
        self.treeview.refresh()
481
 
 
482
 
    def _update_tags(self):
483
 
        menu = gtk.Menu()
484
 
 
485
 
        if self.branch.supports_tags():
486
 
            tags = self.branch.tags.get_tag_dict().items()
487
 
            tags.sort()
488
 
            tags.reverse()
489
 
            for tag, revid in tags:
490
 
                tag_image = gtk.Image()
491
 
                tag_image.set_from_file(icon_path('tag-16.png'))
492
 
                tag_item = gtk.ImageMenuItem(tag.replace('_', '__'))
493
 
                tag_item.set_image(tag_image)
494
 
                tag_item.connect('activate', self._tag_selected_cb, revid)
495
 
                menu.add(tag_item)
496
 
            self.go_menu_tags.set_submenu(menu)
497
 
 
498
 
            self.go_menu_tags.set_sensitive(len(tags) != 0)
499
 
        else:
500
 
            self.go_menu_tags.set_sensitive(False)
501
 
 
502
 
        self.go_menu_tags.show_all()
503
 
 
504
 
    def show_diff(self, revid=None, parentid=None):
505
 
        """Open a new window to show a diff between the given revisions."""
506
 
        from bzrlib.plugins.gtk.diff import DiffWindow
507
 
        window = DiffWindow(parent=self)
508
 
 
509
 
        if parentid is None:
510
 
            parentid = NULL_REVISION
511
 
 
512
 
        rev_tree    = self.branch.repository.revision_tree(revid)
513
 
        parent_tree = self.branch.repository.revision_tree(parentid)
514
 
 
515
 
        description = revid + " - " + self.branch.nick
516
 
        window.set_diff(description, rev_tree, parent_tree)
517
 
        window.show()
518
 
 
519