1. TortoiseHg
  2. TortoiseHg
  3. thg

Source

thg / hggtk / synch.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
# synch.py - Repository synchronization dialog for TortoiseHg
#
# Copyright 2007 TK Soh <teekaysoh@gmail.com>
# Copyright 2007 Steve Borho <steve@borho.org>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2, incorporated herein by reference.

import gtk
import gobject
import pango
import Queue
import os
import sys
import threading
import urllib

from mercurial import hg, ui, extensions, url

from thgutil.i18n import _
from thgutil import hglib, settings, paths

from hggtk import dialog, gtklib, hgthread, history, thgconfig, hgemail

class SynchDialog(gtk.Window):
    def __init__(self, repos=[], pushmode=False, fromlog=False):
        """ Initialize the Dialog. """
        gtk.Window.__init__(self, gtk.WINDOW_TOPLEVEL)
        gtklib.set_tortoise_icon(self, 'menusynch.ico')
        gtklib.set_tortoise_keys(self)

        self.root = paths.find_root()
        self.selected_path = None
        self.hgthread = None
        self.fromlog = fromlog
        self.notify_func = None
        self.last_drop_time = None
        self.lastcmd = []

        # Replace stdout file descriptor with our own pipe
        self.oldstdout = os.dup(sys.__stdout__.fileno())
        self.stdoutq = Queue.Queue()
        self.readfd, writefd = os.pipe()
        os.dup2(writefd, sys.__stdout__.fileno())

        # persistent app data
        self._settings = settings.Settings('synch')
        self.set_default_size(655, 552)

        self.paths = self.get_paths()
        self.origchangecount = len(self.repo)

        name = self.repo.ui.config('web', 'name') or os.path.basename(self.root)
        self.set_title(_('TortoiseHg Synchronize - ') + hglib.toutf(name))

        self.connect('delete-event', self.delete)

        # toolbar
        self.tbar = gtk.Toolbar()
        self.tips = gtk.Tooltips()
        self.stop_button = self.toolbutton(gtk.STOCK_STOP,
                _('Stop'), self.stop_clicked, tip=_('Stop the hg operation'))
        self.stop_button.set_sensitive(False)
        tbuttons = [
                self.toolbutton(gtk.STOCK_GO_DOWN,
                                 _('Incoming'),
                                 self.incoming_clicked,
                                 tip=_('Display changes that can be pulled'
                                 ' from selected repository')),
                self.toolbutton(gtk.STOCK_GOTO_BOTTOM,
                                 _('   Pull   '),
                                 self.pull_clicked,
                                 tip=_('Pull changes from selected'
                                 ' repository')),
                gtk.SeparatorToolItem(),
                self.toolbutton(gtk.STOCK_GO_UP,
                                 _('Outgoing'),
                                 self.outgoing_clicked,
                                 tip=_('Display local changes that will be '
                                 ' pushed to selected repository')),
                self.toolbutton(gtk.STOCK_GOTO_TOP,
                                 _('Push'),
                                 self.push_clicked,
                                 tip=_('Push local changes to selected'
                                 ' repository')),
                self.toolbutton(gtk.STOCK_GOTO_LAST,
                                 _('Email'),
                                 self.email_clicked,
                                 tip=_('Email local outgoing changes to'
                                 ' one or more recipients')),
                gtk.SeparatorToolItem(),
                self.stop_button,
                gtk.SeparatorToolItem(),
                self.toolbutton(gtk.STOCK_PREFERENCES,
                                 _('Configure'),
                                 self.conf_clicked,
                                 tip=_('Configure peer repository paths')),
                gtk.SeparatorToolItem(),
            ]
        for btn in tbuttons:
            self.tbar.insert(btn, -1)
        vbox = gtk.VBox()
        self.add(vbox)
        vbox.pack_start(self.tbar, False, False, 2)

        # sync target info
        targethbox = gtk.HBox()
        lbl = gtk.Button(_('Repo:'))
        lbl.unset_flags(gtk.CAN_FOCUS)
        lbl.connect('clicked', self.btn_remotepath_clicked)
        targethbox.pack_start(lbl, False, False)

        lbl = gtk.Button(_('Bundle:'))
        lbl.unset_flags(gtk.CAN_FOCUS)
        lbl.connect('clicked', self.btn_bundlepath_clicked)
        targethbox.pack_start(lbl, False, False)

        # revisions combo box
        self.pathlist = gtk.ListStore(str, str)
        self.pathbox = gtk.ComboBoxEntry(self.pathlist, 0)
        self.pathtext = self.pathbox.get_child()
        cell = gtk.CellRendererText()
        self.pathbox.pack_end(cell, False)
        self.pathbox.add_attribute(cell, 'text', 1)
        targethbox.pack_start(self.pathbox, True, True)

        self.fill_path_combo()
        defrow = None
        defpushrow = None
        for i, (path, alias) in enumerate(self.pathlist):
            if alias == 'default':
                defrow = i
                if defpushrow is None:
                    defpushrow = i
            elif alias == 'default-push':
                defpushrow = i

        if repos:
            self.pathtext.set_text(hglib.toutf(repos[0]))
        elif defpushrow is not None and pushmode:
            self.pathbox.set_active(defpushrow)
        elif defrow is not None:
            self.pathbox.set_active(defrow)

        # support dropping of repos or bundle files
        self.drag_dest_set(gtk.DEST_DEFAULT_ALL,
                [("text/uri-list", 0, 1)], gtk.gdk.ACTION_COPY)
        self.connect('drag_data_received', self._drag_receive)

        # create checkbox to disable proxy
        self.use_proxy = gtk.CheckButton(_('use proxy server'))
        if ui.ui().config('http_proxy', 'host', ''):
            self.use_proxy.set_active(True)
        else:
            self.use_proxy.set_sensitive(False)

        frame = gtk.Frame(_('Post pull operation'))
        ppvbox = gtk.VBox()
        self.nothingradio = gtk.RadioButton(None, _('Nothing'))
        self.updateradio = gtk.RadioButton(self.nothingradio, _('Update'))
        self.fetchradio = gtk.RadioButton(self.nothingradio, _('Fetch'))
        self.rebaseradio = gtk.RadioButton(self.nothingradio, _('Rebase'))
        ppvbox.pack_start(self.nothingradio, True, True, 2)
        ppvbox.pack_start(self.updateradio, True, True, 2)
        ppvbox.pack_start(self.fetchradio, True, True, 2)
        ppvbox.pack_start(self.rebaseradio, True, True, 2)
        frame.add(ppvbox)
        frame.set_border_width(2)

        self.expander = expander = gtk.Expander(_('Advanced Options'))
        expander.set_expanded(False)
        expander.connect_after('activate', self.expanded)
        hbox = gtk.HBox()
        expander.add(hbox)

        leftvbox = gtk.VBox()
        leftvbox.pack_start(frame, False, False, 2)
        leftvbox.pack_start(self.use_proxy, False, False, 3)

        rightvbox = gtk.VBox()
        rightvbox.pack_start(targethbox, False, False, 2)
        rightvbox.pack_start(expander, True, True, 2)

        tophbox = gtk.HBox()
        tophbox.pack_start(rightvbox, True, True, 2)
        tophbox.pack_start(leftvbox, False, False, 2)
        vbox.pack_start(tophbox, False, False, 2)

        revvbox = gtk.VBox()
        self.reventry = gtk.Entry()
        self.cmdentry = gtk.Entry()
        self.force = gtk.CheckButton(_('Force pull or push'))
        self.tips.set_tip(self.force, _('Run even when remote repository'
                ' is unrelated.'))

        revhbox = gtk.HBox()
        revhbox.pack_start(gtk.Label(_('Target Revision:')), False, False, 2)
        revhbox.pack_start(self.reventry, True, True, 2)
        reveventbox = gtk.EventBox()
        reveventbox.add(revhbox)
        self.tips.set_tip(reveventbox, _('A specific revision up to which you'
                ' would like to push or pull.'))

        cmdhbox = gtk.HBox()
        cmdhbox.pack_start(gtk.Label(_('Remote Command:')), False, False, 2)
        cmdhbox.pack_start(self.cmdentry, True, True, 2)
        cmdeventbox = gtk.EventBox()
        cmdeventbox.add(cmdhbox)
        self.tips.set_tip(cmdeventbox, _('Name of hg executable on remote'
                ' machine.'))

        revvbox.pack_start(self.force, False, False, 8)
        revvbox.pack_start(reveventbox, True, True, 2)
        revvbox.pack_start(cmdeventbox, True, True, 2)
        hbox.pack_start(revvbox, True, True, 4)

        frame = gtk.Frame(_('Incoming/Outgoing'))
        hbox.pack_start(frame, False, False, 2)

        self.showpatch = gtk.CheckButton(_('Show Patches'))
        self.newestfirst = gtk.CheckButton(_('Show Newest First'))
        self.nomerge = gtk.CheckButton(_('Show No Merges'))

        iovbox = gtk.VBox()
        iovbox.pack_start(self.showpatch, False, False, 2)
        iovbox.pack_start(self.newestfirst, False, False, 2)
        iovbox.pack_start(self.nomerge, False, False, 2)
        frame.add(iovbox)

        # hg output window
        scrolledwindow = gtk.ScrolledWindow()
        scrolledwindow.set_shadow_type(gtk.SHADOW_ETCHED_IN)
        scrolledwindow.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
        self.textview = gtk.TextView(buffer=None)
        self.textview.set_editable(False)
        self.textview.modify_font(pango.FontDescription('Monospace'))
        scrolledwindow.add(self.textview)
        self.textview.connect('populate-popup', self.add_to_popup)
        self.textbuffer = self.textview.get_buffer()
        self.textbuffer.create_tag('error', weight=pango.WEIGHT_HEAVY,
                                   foreground='#900000')
        vbox.pack_start(scrolledwindow, True, True)

        self.buttonhbox = gtk.HBox()
        self.viewpulled = gtk.Button(_('View pulled revisions'))
        self.viewpulled.connect('clicked', self._view_pulled_changes)
        self.updatetip = gtk.Button(_('Update to branch tip'))
        self.updatetip.connect('clicked', self._update_to_tip)
        self.buttonhbox.pack_start(self.viewpulled, False, False, 2)
        self.buttonhbox.pack_start(self.updatetip, False, False, 2)
        vbox.pack_start(self.buttonhbox, False, False, 2)

        self.stbar = gtklib.StatusBar()
        vbox.pack_start(self.stbar, False, False, 2)

        self.load_settings()
        self.update_pull_setting()
        gobject.idle_add(self.finalize_startup)

    def finalize_startup(self, *args):
        self.update_buttons()
        def pollstdout(*args):
            while True:
                # blocking read of stdout pipe
                o = os.read(self.readfd, 1024)
                if o:
                    self.stdoutq.put(o)
                else:
                    break
        thread = threading.Thread(target=pollstdout, args=[])
        thread.start()

    def update_pull_setting(self):
        ppull = self.repo.ui.config('tortoisehg', 'postpull', 'None')
        self.nothingradio.set_active(True)
        if ppull == 'update':
            self.updateradio.set_active(True)
        elif ppull == 'fetch':
            self.fetchradio.set_active(True)
        elif ppull == 'rebase':
            self.rebaseradio.set_active(True)

    def fill_path_combo(self):
        self.pathlist.clear()
        for alias, path in self.paths:
            path = url.hidepassword(path)
            self.pathlist.append([hglib.toutf(path), hglib.toutf(alias)])

    def _drag_receive(self, widget, context, x, y, selection, targetType, time):
        if time != self.last_drop_time:
            files = selection.get_uris()
            gobject.idle_add(self._set_path, files[0])
            self.last_drop_time = time

    def _set_path(self, uri):
        if not uri.startswith('file://'):
            return
        path = urllib.unquote(uri[7:])
        if paths.find_root(path) == path:
            self.pathtext.set_text(hglib.toutf(path))
        elif not os.path.isdir(path) and path.endswith('.hg'):
            self.pathtext.set_text(hglib.toutf(path))

    def update_buttons(self):
        self.buttonhbox.hide()
        try:
            # open a new repo, rebase can confuse cached repo
            repo = hg.repository(ui.ui(), path=self.root)
        except hglib.RepoError:
            return
        tip = len(repo)
        if ' '.join(self.lastcmd[:2]) == 'pull --rebase':
            # if last operation was a rebase, do not show 'viewpulled'
            # and reset our remembered tip changeset
            self.origchangecount = tip
            self.viewpulled.hide()
        elif self.origchangecount == tip or self.fromlog:
            self.viewpulled.hide()
        else:
            self.buttonhbox.show()
            self.viewpulled.show()

        wc = repo[None]
        branchhead = repo.branchtags().get(wc.branch())
        parents = repo.parents()
        if len(parents) > 1 or parents[0].node() == branchhead or not branchhead:
            self.updatetip.hide()
        else:
            self.buttonhbox.show()
            self.updatetip.show()
        self.repo = repo

    def _view_pulled_changes(self, button):
        opts = {'orig-tip' : self.origchangecount, 'from-synch' : True}
        dlg = history.run(self.ui, **opts)
        dlg.display()

    def _update_to_tip(self, button):
        # execute command and show output on text widget
        gobject.timeout_add(10, self.process_queue)
        self.write("", False)
        cmdline = ['update', '-v']
        self.hgthread = hgthread.HgThread(cmdline)
        self.hgthread.start()
        self.stbar.begin()
        self.stbar.set_status_text('hg ' + ' '.join(cmdline))

    def get_paths(self, sort="value"):
        """ retrieve symbolic paths """
        try:
            self.ui = ui.ui()
            self.repo = hg.repository(self.ui, path=self.root)
            uipaths = self.repo.ui.configitems('paths')
            if sort:
                if sort == "value":
                    sortfunc = lambda a,b: cmp(a[1], b[1])
                elif sort == "name":
                    sortfunc = lambda a,b: cmp(a[0], b[0])
                else:
                    raise _("unknown sort key '%s'") % sort
                uipaths.sort(sortfunc)
            return uipaths
        except hglib.RepoError:
            return None

    def btn_remotepath_clicked(self, button):
        """ select source folder to clone """
        response = gtklib.NativeFolderSelectDialog(
                          initial=self.root,
                          title=_('Select Repository')).run()
        if response:
            self.pathtext.set_text(response)

    def btn_bundlepath_clicked(self, button):
        """ select bundle to read from """
        response = gtklib.NativeSaveFileDialogWrapper(
                InitialDir=self.root,
                Title=_('Select Bundle'),
                Filter=((_('Bundle (*.hg)'), '*.hg'),
                        (_('Bundle (*)'), '*.*')),
                Open=True).run()
        if response:
            self.pathtext.set_text(response)

    def should_live(self):
        if self.cmd_running():
            dialog.error_dialog(self, _('Cannot close now'),
                    _('command is running'))
            return True
        else:
            self.update_settings()
            self._settings.write()
            os.dup2(self.oldstdout, sys.__stdout__.fileno())
            os.close(self.oldstdout)
            return False

    def delete(self, widget, event):
        if not self.should_live():
            self.destroy()

    def toolbutton(self, stock, label, handler,
                    menu=None, userdata=None, tip=None):
        if menu:
            tbutton = gtk.MenuToolButton(stock)
            tbutton.set_menu(menu)
        else:
            tbutton = gtk.ToolButton(stock)

        tbutton.set_label(label)
        if tip:
            tbutton.set_tooltip(self.tips, tip)
        tbutton.connect('clicked', handler, userdata)
        return tbutton

    def get_advanced_options(self):
        opts = {}
        if self.showpatch.get_active():
            opts['patch'] = ['--patch']
        if self.nomerge.get_active():
            opts['no-merges'] = ['--no-merges']
        if self.force.get_active():
            opts['force'] = ['--force']
        if self.newestfirst.get_active():
            opts['newest-first'] = ['--newest-first']
        remotecmd = self.cmdentry.get_text().strip()
        if remotecmd != "":
            opts['remotecmd'] = ['--remotecmd', remotecmd]
        target_rev = self.reventry.get_text().strip()
        if target_rev != "":
            opts['rev'] = ['--rev', target_rev]

        return opts

    def pull_clicked(self, toolbutton, data=None):
        aopts = self.get_advanced_options()
        if self.fetchradio.get_active():
            cmd = ['fetch', '--message', 'merge']
            # load the fetch extensions explicitly
            extensions.load(self.ui, 'fetch', None)
        else:
            cmd = ['pull']
            cmd += aopts.get('force', [])
            cmd += aopts.get('remotecmd', [])
            if self.updateradio.get_active():
                cmd.append('--update')
            elif self.rebaseradio.get_active():
                cmd.append('--rebase')
            # load the rebase extensions explicitly
            extensions.load(self.ui, 'rebase', None)
        cmd += aopts.get('rev', [])
        self.exec_cmd(cmd)

    def push_clicked(self, toolbutton, data=None):
        aopts = self.get_advanced_options()
        cmd = ['push']
        cmd += aopts.get('rev', [])
        cmd += aopts.get('force', [])
        cmd += aopts.get('remotecmd', [])
        self.exec_cmd(cmd)

    def conf_clicked(self, toolbutton, data=None):
        newpath = hglib.fromutf(self.pathtext.get_text()).strip()
        for alias, path in self.paths:
            if newpath in (path, url.hidepassword(path)):
                newpath = None
                break
        dlg = thgconfig.ConfigDialog(True)
        dlg.show_all()
        if newpath:
            dlg.new_path(newpath, 'default')
        else:
            dlg.focus_field('tortoisehg.postpull')
        dlg.run()
        dlg.hide()
        self.paths = self.get_paths()
        self.fill_path_combo()
        self.update_pull_setting()

    def email_clicked(self, toolbutton, data=None):
        opts = []
        path = hglib.fromutf(self.pathtext.get_text()).strip()
        rev = self.get_advanced_options().get('rev')
        if path:
            opts.extend(['--outgoing', path])
        elif not rev:
            dialog.info_dialog(self, _('No repository selected'),
                        _('Select a peer repository to compare with'))
            self.pathbox.grab_focus()
            return
        if rev:
            opts.extend(rev)
        dlg = hgemail.EmailDialog(self.root, opts)
        dlg.set_transient_for(self)
        dlg.show_all()
        dlg.present()
        dlg.set_transient_for(None)

    def incoming_clicked(self, toolbutton, data=None):
        aopts = self.get_advanced_options()
        cmd = ['incoming']
        cmd += aopts.get('rev', [])
        cmd += aopts.get('patch', [])
        cmd += aopts.get('no-merges', [])
        cmd += aopts.get('force', [])
        cmd += aopts.get('newest-first', [])
        cmd += aopts.get('remotecmd', [])
        self.exec_cmd(cmd)

    def outgoing_clicked(self, toolbutton, data=None):
        aopts = self.get_advanced_options()
        cmd = ['outgoing']
        cmd += aopts.get('rev', [])
        cmd += aopts.get('patch', [])
        cmd += aopts.get('no-merges', [])
        cmd += aopts.get('force', [])
        cmd += aopts.get('newest-first', [])
        cmd += aopts.get('remotecmd', [])
        self.exec_cmd(cmd)

    def stop_clicked(self, toolbutton, data=None):
        if self.cmd_running():
            self.hgthread.terminate()
            self.stop_button.set_sensitive(False)

    def exec_cmd(self, cmd):
        if self.cmd_running():
            dialog.error_dialog(self, _('Cannot run now'),
                _('Please try again after the previous command is completed'))
            return

        self.stop_button.set_sensitive(True)

        proxy_host = ui.ui().config('http_proxy', 'host', '')
        use_proxy = self.use_proxy.get_active()
        text_entry = self.pathbox.get_child()
        remote_path = hglib.fromutf(text_entry.get_text()).strip()
        for alias, path in self.paths:
            if remote_path == alias:
                remote_path = path
            elif remote_path == url.hidepassword(path):
                remote_path = path

        cmdline = cmd[:]
        cmdline += ['--verbose']
        if proxy_host and not use_proxy:
            cmdline += ["--config", "http_proxy.host="]
        cmdline += [remote_path]
        self.lastcmd = cmdline

        # show command to be executed
        self.write("", False)

        # execute command and show output on text widget
        gobject.timeout_add(10, self.process_queue)
        self.hgthread = hgthread.HgThread(cmdline, parent=self)
        self.hgthread.start()
        self.stbar.begin()
        self.stbar.set_status_text('hg ' + ' '.join(cmd))

        self.add_src_to_recent(remote_path)

    def cmd_running(self):
        if self.hgthread and self.hgthread.isAlive():
            return True
        else:
            return False

    def add_src_to_recent(self, src):
        if os.path.exists(src):
            src = os.path.abspath(src)

        # save src path to recent list in history (read by clone tool)
        self._settings.mrul('src_paths').add(src)
        self._settings.write()

        # update drop-down list
        self.fill_path_combo()

    def flush(self, *args):
        pass

    def write(self, msg, append=True):
        msg = hglib.toutf(msg)
        if append:
            enditer = self.textbuffer.get_end_iter()
            self.textbuffer.insert(enditer, msg)
            self.textview.scroll_to_mark(self.textbuffer.get_insert(), 0)
        else:
            self.textbuffer.set_text(msg)

    def write_err(self, msg):
        enditer = self.textbuffer.get_end_iter()
        self.textbuffer.insert_with_tags_by_name(enditer, msg, 'error')
        self.textview.scroll_to_mark(self.textbuffer.get_insert(), 0)

    def process_queue(self):
        """
        Handle all the messages currently in the queue (if any).
        """
        self.hgthread.process_dialogs()
        while self.hgthread.getqueue().qsize():
            try:
                msg = self.hgthread.getqueue().get(0)
                self.write(msg)
            except Queue.Empty:
                pass
        while self.hgthread.geterrqueue().qsize():
            try:
                msg = self.hgthread.geterrqueue().get(0)
                self.write_err(msg)
            except Queue.Empty:
                pass
        while self.stdoutq.qsize():
            try:
                msg = self.stdoutq.get(0)
                self.write_err(msg)
            except Queue.Empty:
                pass

        if self.cmd_running():
            return True
        else:
            # Update button states
            self.update_buttons()
            self.stbar.end()
            self.stop_button.set_sensitive(False)
            if self.hgthread.return_code() is None:
                self.write_err(_('[command interrupted]'))
            if not self.notify_func or self.lastcmd[0] != 'pull':
                return False
            if ' '.join(self.lastcmd[:2]) == 'pull --rebase':
                # disable notification; rebase can be poisonous
                self.notify_func = None
                self.notify_args = None
            else:
                self.notify_func(self.notify_args)
            return False # Stop polling this function

    AdvancedDefaults = {
        'expander.expanded': False,
        'reventry.text': '',
        'cmdentry.text': '',
        'force.active': False,
        'showpatch.active': False,
        'newestfirst.active': False,
        'nomerge.active': False,}

    def expanded(self, expander):
        if not expander.get_expanded():
            self.load_settings(SynchDialog.AdvancedDefaults.get)

    def load_settings(self, get_value = None):
        get_value = get_value or self._settings.get_value
        for key, default in SynchDialog.AdvancedDefaults.iteritems():
            member, attr = key.split('.')
            value = get_value(key, default)
            getattr(getattr(self, member), 'set_%s'%attr)(value)

    def update_settings(self, set_value = None):
        set_value = set_value or self._settings.set_value
        for key, default in SynchDialog.AdvancedDefaults.iteritems():
            member, attr = key.split('.')
            value = getattr(getattr(self, member), 'get_%s'%attr)()
            set_value(key, value)

    def add_to_popup(self, textview, menu):
        menu_items = (('----', None),
                      (_('Toggle _Wordwrap'), self.toggle_wordwrap),
                     )
        for label, handler in menu_items:
            if label == '----':
                menuitem = gtk.SeparatorMenuItem()
            else:
                menuitem = gtk.MenuItem(label)
            if handler:
                menuitem.connect('activate', handler)
            menu.append(menuitem)
        menu.show_all()

    def toggle_wordwrap(self, sender):
        if self.textview.get_wrap_mode() != gtk.WRAP_NONE:
            self.textview.set_wrap_mode(gtk.WRAP_NONE)
        else:
            self.textview.set_wrap_mode(gtk.WRAP_WORD)

    def set_notify_func(self, func, *args):
        self.notify_func = func
        self.notify_args = args


def run(ui, *pats, **opts):
    return SynchDialog(pats, opts.get('pushmode'))