/b-gtk/fix-viz

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Viewing changes to viz/branchwin.py

  • Committer: Jelmer Vernooij
  • Date: 2008-03-09 13:47:52 UTC
  • mto: This revision was merged to the branch mainline in revision 447.
  • Revision ID: jelmer@samba.org-20080309134752-syf9kwzy6e919jhj
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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
24
 
from bzrlib.revision import Revision, NULL_REVISION
25
 
from bzrlib.trace import mutter
 
19
from bzrlib.plugins.gtk.branchview import TreeView, treemodel
 
20
from bzrlib.revision import Revision
 
21
from bzrlib.config import BranchConfig
 
22
from bzrlib.config import GlobalConfig
26
23
 
27
24
class BranchWindow(Window):
28
25
    """Branch window.
31
28
    for a particular branch.
32
29
    """
33
30
 
34
 
    def __init__(self, branch, start_revs, maxnum, parent=None):
 
31
    def __init__(self, branch, start, maxnum, parent=None):
35
32
        """Create a new BranchWindow.
36
33
 
37
34
        :param branch: Branch object for branch to show.
38
 
        :param start_revs: Revision ids of top revisions.
 
35
        :param start: Revision id of top revision.
39
36
        :param maxnum: Maximum number of revisions to display, 
40
37
                       None for no limit.
41
38
        """
44
41
        self.set_border_width(0)
45
42
 
46
43
        self.branch      = branch
47
 
        self.start_revs  = start_revs
 
44
        self.start       = start
48
45
        self.maxnum      = maxnum
49
46
        self.config      = GlobalConfig()
50
47
 
51
 
        self._sizes      = {} # window and widget sizes
52
 
 
53
48
        if self.config.get_user_option('viz-compact-view') == 'yes':
54
49
            self.compact_view = True
55
50
        else:
57
52
 
58
53
        self.set_title(branch.nick + " - revision history")
59
54
 
60
 
        # user-configured window size
61
 
        size = self._load_size('viz-window-size')
62
 
        if size:
63
 
            width, height = size
64
 
        else:
65
 
            # Use three-quarters of the screen by default
66
 
            screen = self.get_screen()
67
 
            monitor = screen.get_monitor_geometry(0)
68
 
            width = int(monitor.width * 0.75)
69
 
            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)
70
60
        self.set_default_size(width, height)
71
 
        self.set_size_request(width/3, height/3)
72
 
        self.connect("size-allocate", self._on_size_allocate, 'viz-window-size')
73
61
 
74
62
        # FIXME AndyFitz!
75
63
        icon = self.render_icon(gtk.STOCK_INDEX, gtk.ICON_SIZE_BUTTON)
77
65
 
78
66
        gtk.accel_map_add_entry("<viz>/Go/Next Revision", gtk.keysyms.Up, gtk.gdk.MOD1_MASK)
79
67
        gtk.accel_map_add_entry("<viz>/Go/Previous Revision", gtk.keysyms.Down, gtk.gdk.MOD1_MASK)
80
 
        gtk.accel_map_add_entry("<viz>/View/Refresh", gtk.keysyms.F5, 0)
81
68
 
82
69
        self.accel_group = gtk.AccelGroup()
83
70
        self.add_accel_group(self.accel_group)
96
83
        self.next_rev_action.connect("activate", self._fwd_clicked_cb)
97
84
        self.next_rev_action.connect_accelerator()
98
85
 
99
 
        self.refresh_action = gtk.Action("refresh", "_Refresh", "Refresh view", gtk.STOCK_REFRESH)
100
 
        self.refresh_action.set_accel_path("<viz>/View/Refresh")
101
 
        self.refresh_action.set_accel_group(self.accel_group)
102
 
        self.refresh_action.connect("activate", self._refresh_clicked)
103
 
        self.refresh_action.connect_accelerator()
104
 
 
105
86
        self.construct()
106
87
 
107
88
    def set_revision(self, revid):
113
94
        self.add(vbox)
114
95
 
115
96
        self.paned = gtk.VPaned()
116
 
        self.paned.pack1(self.construct_top(), resize=False, shrink=True)
117
 
        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)
118
99
        self.paned.show()
119
100
 
120
 
        nav = self.construct_navigation()
121
 
        menubar = self.construct_menubar()
122
 
        vbox.pack_start(menubar, expand=False, fill=True)
123
 
        vbox.pack_start(nav, expand=False, fill=True)
124
 
 
 
101
        vbox.pack_start(self.construct_menubar(), expand=False, fill=True)
 
102
        vbox.pack_start(self.construct_navigation(), expand=False, fill=True)
 
103
        
125
104
        vbox.pack_start(self.paned, expand=True, fill=True)
126
105
        vbox.set_focus_child(self.paned)
127
106
 
128
107
        vbox.show()
129
 
    
 
108
 
130
109
    def construct_menubar(self):
131
110
        menubar = gtk.MenuBar()
132
111
 
148
127
        edit_menuitem = gtk.MenuItem("_Edit")
149
128
        edit_menuitem.set_submenu(edit_menu)
150
129
 
 
130
        edit_menu_find = gtk.ImageMenuItem(gtk.STOCK_FIND)
 
131
 
151
132
        edit_menu_branchopts = gtk.MenuItem("Branch Settings")
152
133
        edit_menu_branchopts.connect('activate', lambda x: PreferencesWindow(self.branch.get_config()).show())
153
134
 
154
135
        edit_menu_globopts = gtk.MenuItem("Global Settings")
155
136
        edit_menu_globopts.connect('activate', lambda x: PreferencesWindow().show())
156
137
 
 
138
        edit_menu.add(edit_menu_find)
157
139
        edit_menu.add(edit_menu_branchopts)
158
140
        edit_menu.add(edit_menu_globopts)
159
141
 
161
143
        view_menuitem = gtk.MenuItem("_View")
162
144
        view_menuitem.set_submenu(view_menu)
163
145
 
164
 
        view_menu_refresh = self.refresh_action.create_menu_item()
165
 
        view_menu_refresh.connect('activate', self._refresh_clicked)
166
 
 
167
 
        view_menu.add(view_menu_refresh)
168
 
        view_menu.add(gtk.SeparatorMenuItem())
169
 
 
170
146
        view_menu_toolbar = gtk.CheckMenuItem("Show Toolbar")
171
147
        view_menu_toolbar.set_active(True)
172
 
        if self.config.get_user_option('viz-toolbar-visible') == 'False':
173
 
            view_menu_toolbar.set_active(False)
174
 
            self.toolbar.hide()
175
148
        view_menu_toolbar.connect('toggled', self._toolbar_visibility_changed)
176
149
 
177
150
        view_menu_compact = gtk.CheckMenuItem("Show Compact Graph")
178
151
        view_menu_compact.set_active(self.compact_view)
179
152
        view_menu_compact.connect('activate', self._brokenlines_toggled_cb)
180
 
        
181
 
        view_menu_diffs = gtk.CheckMenuItem("Show Diffs")
182
 
        view_menu_diffs.set_active(False)
183
 
        if self.config.get_user_option('viz-show-diffs') == 'True':
184
 
            view_menu_diffs.set_active(True)
185
 
        view_menu_diffs.connect('toggled', self._diff_visibility_changed)
186
 
        
187
 
        view_menu_wide_diffs = gtk.CheckMenuItem("Wide Diffs")
188
 
        view_menu_wide_diffs.set_active(False)
189
 
        if self.config.get_user_option('viz-wide-diffs') == 'True':
190
 
            view_menu_wide_diffs.set_active(True)
191
 
        view_menu_wide_diffs.connect('toggled', self._diff_placement_changed)
192
 
        
193
 
        view_menu_wrap_diffs = gtk.CheckMenuItem("Wrap _Long Lines in Diffs")
194
 
        view_menu_wrap_diffs.set_active(False)
195
 
        if self.config.get_user_option('viz-wrap-diffs') == 'True':
196
 
            view_menu_wrap_diffs.set_active(True)
197
 
        view_menu_wrap_diffs.connect('toggled', self._diff_wrap_changed)
198
 
                
 
153
 
199
154
        view_menu.add(view_menu_toolbar)
200
155
        view_menu.add(view_menu_compact)
201
156
        view_menu.add(gtk.SeparatorMenuItem())
202
 
        view_menu.add(view_menu_diffs)
203
 
        view_menu.add(view_menu_wide_diffs)
204
 
        view_menu.add(view_menu_wrap_diffs)
205
 
        view_menu.add(gtk.SeparatorMenuItem())
206
 
 
207
 
        self.mnu_show_revno_column = gtk.CheckMenuItem("Show Revision _Number Column")
208
 
        self.mnu_show_date_column = gtk.CheckMenuItem("Show _Date Column")
209
 
 
210
 
        # Revision numbers are pointless if there are multiple branches
211
 
        if len(self.start_revs) > 1:
212
 
            self.mnu_show_revno_column.set_sensitive(False)
213
 
            self.treeview.set_property('revno-column-visible', False)
214
 
 
215
 
        for (col, name) in [(self.mnu_show_revno_column, "revno"), 
216
 
                            (self.mnu_show_date_column, "date")]:
 
157
 
 
158
        for (label, name) in [("Revision _Number", "revno"), ("_Date", "date")]:
 
159
            col = gtk.CheckMenuItem("Show " + label + " Column")
217
160
            col.set_active(self.treeview.get_property(name + "-column-visible"))
218
161
            col.connect('toggled', self._col_visibility_changed, name)
219
162
            view_menu.add(col)
226
169
        go_menu_next = self.next_rev_action.create_menu_item()
227
170
        go_menu_prev = self.prev_rev_action.create_menu_item()
228
171
 
229
 
        tag_image = gtk.Image()
230
 
        tag_image.set_from_file(icon_path("tag-16.png"))
231
 
        self.go_menu_tags = gtk.ImageMenuItem("_Tags")
232
 
        self.go_menu_tags.set_image(tag_image)
 
172
        self.go_menu_tags = gtk.MenuItem("_Tags")
233
173
        self._update_tags()
234
174
 
235
175
        go_menu.add(go_menu_next)
237
177
        go_menu.add(gtk.SeparatorMenuItem())
238
178
        go_menu.add(self.go_menu_tags)
239
179
 
240
 
        self.revision_menu = RevisionMenu(self.branch.repository, [], self.branch, parent=self)
 
180
        revision_menu = gtk.Menu()
241
181
        revision_menuitem = gtk.MenuItem("_Revision")
242
 
        revision_menuitem.set_submenu(self.revision_menu)
 
182
        revision_menuitem.set_submenu(revision_menu)
 
183
 
 
184
        revision_menu_diff = gtk.MenuItem("View Changes")
 
185
        revision_menu_diff.connect('activate', 
 
186
                lambda w: self.treeview.show_diff())
 
187
 
 
188
        revision_menu_tag = gtk.MenuItem("Tag Revision")
 
189
        revision_menu_tag.connect('activate', self._tag_revision_cb)
 
190
 
 
191
        revision_menu.add(revision_menu_tag)
 
192
        revision_menu.add(revision_menu_diff)
243
193
 
244
194
        branch_menu = gtk.Menu()
245
195
        branch_menuitem = gtk.MenuItem("_Branch")
248
198
        branch_menu.add(gtk.MenuItem("Pu_ll Revisions"))
249
199
        branch_menu.add(gtk.MenuItem("Pu_sh Revisions"))
250
200
 
251
 
        try:
252
 
            from bzrlib.plugins import search
253
 
        except ImportError:
254
 
            mutter("Didn't find search plugin")
255
 
        else:
256
 
            branch_menu.add(gtk.SeparatorMenuItem())
257
 
 
258
 
            branch_index_menuitem = gtk.MenuItem("_Index")
259
 
            branch_index_menuitem.connect('activate', self._branch_index_cb)
260
 
            branch_menu.add(branch_index_menuitem)
261
 
 
262
 
            branch_search_menuitem = gtk.MenuItem("_Search")
263
 
            branch_search_menuitem.connect('activate', self._branch_search_cb)
264
 
            branch_menu.add(branch_search_menuitem)
265
 
 
266
201
        help_menu = gtk.Menu()
267
202
        help_menuitem = gtk.MenuItem("_Help")
268
203
        help_menuitem.set_submenu(help_menu)
287
222
        """Construct the top-half of the window."""
288
223
        # FIXME: Make broken_line_length configurable
289
224
 
290
 
        self.treeview = TreeView(self.branch, self.start_revs, self.maxnum, self.compact_view)
 
225
        self.treeview = TreeView(self.branch, self.start, self.maxnum, self.compact_view)
291
226
 
292
227
        self.treeview.connect('revision-selected',
293
228
                self._treeselection_changed_cb)
300
235
            option = self.config.get_user_option(col + '-column-visible')
301
236
            if option is not None:
302
237
                self.treeview.set_property(col + '-column-visible', option == 'True')
303
 
            else:
304
 
                self.treeview.set_property(col + '-column-visible', False)
305
238
 
306
239
        self.treeview.show()
307
240
 
308
241
        align = gtk.Alignment(0.0, 0.0, 1.0, 1.0)
309
242
        align.set_padding(5, 0, 0, 0)
310
243
        align.add(self.treeview)
311
 
        # user-configured size
312
 
        size = self._load_size('viz-graph-size')
313
 
        if size:
314
 
            width, height = size
315
 
            align.set_size_request(width, height)
316
 
        else:
317
 
            (width, height) = self.get_size()
318
 
            align.set_size_request(width, int(height / 2.5))
319
 
        align.connect('size-allocate', self._on_size_allocate, 'viz-graph-size')
320
244
        align.show()
321
245
 
322
246
        return align
344
268
 
345
269
    def construct_bottom(self):
346
270
        """Construct the bottom half of the window."""
347
 
        if self.config.get_user_option('viz-wide-diffs') == 'True':
348
 
            self.diff_paned = gtk.VPaned()
349
 
        else:
350
 
            self.diff_paned = gtk.HPaned()
351
 
        (width, height) = self.get_size()
352
 
        self.diff_paned.set_size_request(20, 20) # shrinkable
353
 
 
354
271
        from bzrlib.plugins.gtk.revisionview import RevisionView
355
272
        self.revisionview = RevisionView(branch=self.branch)
356
 
        self.revisionview.set_size_request(width/3, int(height / 2.5))
357
 
        # user-configured size
358
 
        size = self._load_size('viz-revisionview-size')
359
 
        if size:
360
 
            width, height = size
361
 
            self.revisionview.set_size_request(width, height)
362
 
        self.revisionview.connect('size-allocate', self._on_size_allocate, 'viz-revisionview-size')
 
273
        (width, height) = self.get_size()
 
274
        self.revisionview.set_size_request(width, int(height / 2.5))
363
275
        self.revisionview.show()
364
276
        self.revisionview.set_show_callback(self._show_clicked_cb)
365
277
        self.revisionview.connect('notify::revision', self._go_clicked_cb)
366
278
        self.treeview.connect('tag-added', lambda w, t, r: self.revisionview.update_tags())
367
 
        self.diff_paned.pack1(self.revisionview)
368
 
 
369
 
        from bzrlib.plugins.gtk.diff import DiffWidget
370
 
        self.diff = DiffWidget()
371
 
        self.diff_paned.pack2(self.diff)
372
 
 
373
 
        self.diff_paned.show_all()
374
 
        if self.config.get_user_option('viz-show-diffs') != 'True':
375
 
            self.diff.hide()
376
 
 
377
 
        return self.diff_paned
 
279
        return self.revisionview
378
280
 
379
281
    def _tag_selected_cb(self, menuitem, revid):
380
282
        self.treeview.set_revision_id(revid)
385
287
        parents  = self.treeview.get_parents()
386
288
        children = self.treeview.get_children()
387
289
 
388
 
        self.revision_menu.set_revision_ids([revision.revision_id])
389
 
 
390
 
        if revision and revision != NULL_REVISION:
 
290
        if revision is not None:
391
291
            prev_menu = gtk.Menu()
392
292
            if len(parents) > 0:
393
293
                self.prev_rev_action.set_sensitive(True)
394
294
                for parent_id in parents:
395
 
                    if parent_id and parent_id != NULL_REVISION:
396
 
                        parent = self.branch.repository.get_revision(parent_id)
397
 
                        try:
398
 
                            str = ' (' + parent.properties['branch-nick'] + ')'
399
 
                        except KeyError:
400
 
                            str = ""
 
295
                    parent = self.branch.repository.get_revision(parent_id)
 
296
                    try:
 
297
                        str = ' (' + parent.properties['branch-nick'] + ')'
 
298
                    except KeyError:
 
299
                        str = ""
401
300
 
402
 
                        item = gtk.MenuItem(parent.message.split("\n")[0] + str)
403
 
                        item.connect('activate', self._set_revision_cb, parent_id)
404
 
                        prev_menu.add(item)
 
301
                    item = gtk.MenuItem(parent.message.split("\n")[0] + str)
 
302
                    item.connect('activate', self._set_revision_cb, parent_id)
 
303
                    prev_menu.add(item)
405
304
                prev_menu.show_all()
406
305
            else:
407
306
                self.prev_rev_action.set_sensitive(False)
431
330
 
432
331
            self.revisionview.set_revision(revision)
433
332
            self.revisionview.set_children(children)
434
 
            self.update_diff_panel(revision, parents)
435
 
 
 
333
    
436
334
    def _tree_revision_activated(self, widget, path, col):
437
335
        # TODO: more than one parent
438
336
        """Callback for when a treeview row gets activated."""
446
344
 
447
345
        self.show_diff(revision.revision_id, parent_id)
448
346
        self.treeview.grab_focus()
449
 
        
 
347
    
 
348
 
450
349
    def _back_clicked_cb(self, *args):
451
350
        """Callback for when the back button is clicked."""
452
351
        self.treeview.back()
480
379
        self.treeview.set_property('compact', self.compact_view)
481
380
        self.treeview.refresh()
482
381
 
483
 
    def _branch_index_cb(self, w):
484
 
        from bzrlib.plugins.search import index as _mod_index
485
 
        _mod_index.index_url(self.branch.base)
486
 
 
487
 
    def _branch_search_cb(self, w):
488
 
        from bzrlib.plugins.search import index as _mod_index
489
 
        from bzrlib.plugins.gtk.search import SearchDialog
490
 
        from bzrlib.plugins.search import errors as search_errors
491
 
 
 
382
    def _tag_revision_cb(self, w):
492
383
        try:
493
 
            index = _mod_index.open_index_url(self.branch.base)
494
 
        except search_errors.NoSearchIndex:
495
 
            dialog = gtk.MessageDialog(self, type=gtk.MESSAGE_QUESTION, 
496
 
                buttons=gtk.BUTTONS_OK_CANCEL, 
497
 
                message_format="This branch has not been indexed yet. "
498
 
                               "Index now?")
499
 
            if dialog.run() == gtk.RESPONSE_OK:
500
 
                dialog.destroy()
501
 
                index = _mod_index.index_url(self.branch.base)
502
 
            else:
503
 
                dialog.destroy()
504
 
                return
505
 
 
506
 
        dialog = SearchDialog(index)
507
 
        
508
 
        if dialog.run() == gtk.RESPONSE_OK:
509
 
            self.set_revision(dialog.get_revision())
510
 
 
511
 
        dialog.destroy()
 
384
            self.treeview.set_sensitive(False)
 
385
            dialog = AddTagDialog(self.branch.repository, self.treeview.get_revision().revision_id, self.branch)
 
386
            response = dialog.run()
 
387
            if response != gtk.RESPONSE_NONE:
 
388
                dialog.hide()
 
389
            
 
390
                if response == gtk.RESPONSE_OK:
 
391
                    self.treeview.add_tag(dialog.tagname, dialog._revid)
 
392
                
 
393
                dialog.destroy()
 
394
 
 
395
        finally:
 
396
            self.treeview.set_sensitive(True)
512
397
 
513
398
    def _about_dialog_cb(self, w):
514
399
        from bzrlib.plugins.gtk.about import AboutDialog
521
406
 
522
407
    def _toolbar_visibility_changed(self, col):
523
408
        if col.get_active():
524
 
            self.toolbar.show()
 
409
            self.toolbar.show() 
525
410
        else:
526
411
            self.toolbar.hide()
527
 
        self.config.set_user_option('viz-toolbar-visible', col.get_active())
528
 
 
529
 
    def _make_diff_nonzero_size(self):
530
 
        """make sure the diff isn't zero-width or zero-height"""
531
 
        alloc = self.diff.get_allocation()
532
 
        if (alloc.width < 10) or (alloc.height < 10):
533
 
            width, height = self.get_size()
534
 
            self.revisionview.set_size_request(width/3, int(height / 2.5))
535
 
 
536
 
    def _diff_visibility_changed(self, col):
537
 
        """Hide or show the diff panel."""
538
 
        if col.get_active():
539
 
            self.diff.show()
540
 
            self._make_diff_nonzero_size()
541
 
        else:
542
 
            self.diff.hide()
543
 
        self.config.set_user_option('viz-show-diffs', str(col.get_active()))
544
 
        self.update_diff_panel()
545
 
 
546
 
    def _diff_placement_changed(self, col):
547
 
        """Toggle the diff panel's position."""
548
 
        self.config.set_user_option('viz-wide-diffs', str(col.get_active()))
549
 
 
550
 
        old = self.paned.get_child2()
551
 
        self.paned.remove(old)
552
 
        self.paned.pack2(self.construct_bottom(), resize=True, shrink=False)
553
 
        self._make_diff_nonzero_size()
554
 
 
555
 
        self.treeview.emit('revision-selected')
556
 
    
557
 
    def _diff_wrap_changed(self, widget):
558
 
        """Toggle word wrap in the diff widget."""
559
 
        self.config.set_user_option('viz-wrap-diffs', widget.get_active())
560
 
        self.diff._on_wraplines_toggled(widget)
561
 
    
 
412
 
562
413
    def _show_about_cb(self, w):
563
414
        dialog = AboutDialog()
564
415
        dialog.connect('response', lambda d,r: d.destroy())
575
426
            tags.sort()
576
427
            tags.reverse()
577
428
            for tag, revid in tags:
578
 
                tag_image = gtk.Image()
579
 
                tag_image.set_from_file(icon_path('tag-16.png'))
580
 
                tag_item = gtk.ImageMenuItem(tag.replace('_', '__'))
581
 
                tag_item.set_image(tag_image)
 
429
                tag_item = gtk.MenuItem(tag)
582
430
                tag_item.connect('activate', self._tag_selected_cb, revid)
583
431
                menu.add(tag_item)
584
432
            self.go_menu_tags.set_submenu(menu)
589
437
 
590
438
        self.go_menu_tags.show_all()
591
439
 
592
 
    def _load_size(self, name):
593
 
        """Read and parse 'name' from self.config.
594
 
        The value is a string, formatted as WIDTHxHEIGHT
595
 
        Returns None, or (width, height)
596
 
        """
597
 
        size = self.config.get_user_option(name)
598
 
        if size:
599
 
            width, height = [int(num) for num in size.split('x')]
600
 
            # avoid writing config every time we start
601
 
            self._sizes[name] = (width, height)
602
 
            return width, height
603
 
        return None
604
 
 
605
 
    def _on_size_allocate(self, widget, allocation, name):
606
 
        """When window has been resized, save the new size."""
607
 
        width, height = 0, 0
608
 
        if name in self._sizes:
609
 
            width, height = self._sizes[name]
610
 
 
611
 
        size_changed = (width != allocation.width) or \
612
 
                (height != allocation.height)
613
 
 
614
 
        if size_changed:
615
 
            width, height = allocation.width, allocation.height
616
 
            self._sizes[name] = (width, height)
617
 
            value = '%sx%s' % (width, height)
618
 
            self.config.set_user_option(name, value)
619
 
 
620
440
    def show_diff(self, revid=None, parentid=None):
621
441
        """Open a new window to show a diff between the given revisions."""
622
442
        from bzrlib.plugins.gtk.diff import DiffWindow
632
452
        window.set_diff(description, rev_tree, parent_tree)
633
453
        window.show()
634
454
 
635
 
    def update_diff_panel(self, revision=None, parents=None):
636
 
        """Show the current revision in the diff panel."""
637
 
        if self.config.get_user_option('viz-show-diffs') != 'True':
638
 
            return
639
 
 
640
 
        if not revision: # default to selected row
641
 
            revision = self.treeview.get_revision()
642
 
        if (not revision) or (revision == NULL_REVISION):
643
 
            return
644
 
 
645
 
        if not parents: # default to selected row's parents
646
 
            parents  = self.treeview.get_parents()
647
 
        if len(parents) == 0:
648
 
            parent_id = None
649
 
        else:
650
 
            parent_id = parents[0]
651
 
 
652
 
        rev_tree    = self.branch.repository.revision_tree(revision.revision_id)
653
 
        parent_tree = self.branch.repository.revision_tree(parent_id)
654
 
 
655
 
        self.diff.set_diff(rev_tree, parent_tree)
656
 
        if self.config.get_user_option('viz-wrap-diffs') == 'True':
657
 
            self.diff._on_wraplines_toggled(wrap=True)
658
 
        self.diff.show_all()
 
455