/b-gtk/fix-viz

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  • Committer: Szilveszter Farkas (Phanatic)
  • Date: 2006-08-20 13:02:35 UTC
  • mto: (0.14.1 main) (93.1.1 win32.bialix)
  • mto: This revision was merged to the branch mainline in revision 83.
  • Revision ID: Szilveszter.Farkas@gmail.com-20060820130235-62c9c5753f5d8774
Gettext support added.

2006-08-20  Szilveszter Farkas <Szilveszter.Farkas@gmail.com>

    * po/hu.po: added Hungarian traslation
    * Added gettext support to all files.
    * genpot.sh: added olive-gtk.pot generator script

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Lines of Context:
1
 
# Copyright (C) 2005 Dan Loda <danloda@gmail.com>
2
 
 
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
 
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
 
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
import time
18
 
 
19
 
from gi.repository import GObject
20
 
from gi.repository import Gtk
21
 
from gi.repository import Pango
22
 
import re
23
 
 
24
 
from bzrlib import patiencediff
25
 
from bzrlib.errors import NoSuchRevision
26
 
from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
27
 
 
28
 
from bzrlib.plugins.gtk.annotate.colormap import AnnotateColorSaturation
29
 
from bzrlib.plugins.gtk.revisionview import RevisionView
30
 
from bzrlib.plugins.gtk.window import Window
31
 
 
32
 
 
33
 
(
34
 
    REVISION_ID_COL,
35
 
    LINE_NUM_COL,
36
 
    COMMITTER_COL,
37
 
    REVNO_COL,
38
 
    HIGHLIGHT_COLOR_COL,
39
 
    TEXT_LINE_COL
40
 
) = range(6)
41
 
 
42
 
 
43
 
class GAnnotateWindow(Window):
44
 
    """Annotate window."""
45
 
 
46
 
    def __init__(self, all=False, plain=False, parent=None, branch=None):
47
 
        self.all = all
48
 
        self.plain = plain
49
 
        self._branch = branch
50
 
 
51
 
        Window.__init__(self, parent)
52
 
 
53
 
        self.set_icon(self.render_icon(Gtk.STOCK_FIND, Gtk.IconSize.BUTTON))
54
 
        self.annotate_colormap = AnnotateColorSaturation()
55
 
 
56
 
        self._create()
57
 
        self.revisions = {}
58
 
        self.history = []
59
 
        self._no_back = set()
60
 
 
61
 
    def annotate(self, tree, branch, file_id):
62
 
        self.annotations = []
63
 
        self.branch = branch
64
 
        self.tree = tree
65
 
        self.file_id = file_id
66
 
        self.revisionview.set_file_id(file_id)
67
 
        self.revision_id = getattr(tree, 'get_revision_id', 
68
 
                                   lambda: CURRENT_REVISION)()
69
 
 
70
 
        # [revision id, line number, author, revno, highlight color, line]
71
 
        self.annomodel = Gtk.ListStore(GObject.TYPE_STRING,
72
 
                                       GObject.TYPE_INT,
73
 
                                       GObject.TYPE_STRING,
74
 
                                       GObject.TYPE_STRING,
75
 
                                       GObject.TYPE_STRING,
76
 
                                       GObject.TYPE_STRING)
77
 
 
78
 
        last_seen = None
79
 
        try:
80
 
            branch.lock_read()
81
 
            branch.repository.lock_read()
82
 
            self.dotted = {}
83
 
            revno_map = self.branch.get_revision_id_to_revno_map()
84
 
            for revision_id, revno in revno_map.iteritems():
85
 
                self.dotted[revision_id] = '.'.join(str(num) for num in revno)
86
 
            for line_no, (revision, revno, line)\
87
 
                in enumerate(self._annotate(tree, file_id)):
88
 
                if revision.revision_id == last_seen and not self.all:
89
 
                    revno = author = ""
90
 
                else:
91
 
                    last_seen = revision.revision_id
92
 
                    author = ", ".join(revision.get_apparent_authors())
93
 
 
94
 
                if revision.revision_id not in self.revisions:
95
 
                    self.revisions[revision.revision_id] = revision
96
 
 
97
 
                self.annomodel.append([revision.revision_id,
98
 
                                       line_no + 1,
99
 
                                       author,
100
 
                                       revno,
101
 
                                       None,
102
 
                                       line.rstrip("\r\n")
103
 
                                       ])
104
 
                self.annotations.append(revision)
105
 
 
106
 
            if not self.plain:
107
 
                now = time.time()
108
 
                self.annomodel.foreach(self._highlight_annotation, now)
109
 
        finally:
110
 
            branch.repository.unlock()
111
 
            branch.unlock()
112
 
 
113
 
        self.annoview.set_model(self.annomodel)
114
 
        self.annoview.grab_focus()
115
 
        my_revno = self.dotted.get(self.revision_id, 'current')
116
 
        title = '%s (%s) - gannotate' % (self.tree.id2path(file_id), my_revno)
117
 
        self.set_title(title)
118
 
 
119
 
    def jump_to_line(self, lineno):
120
 
        if lineno > len(self.annomodel) or lineno < 1:
121
 
            row = 0
122
 
            # FIXME:should really deal with this in the gui. Perhaps a status
123
 
            # bar?
124
 
            print("gannotate: Line number %d does't exist. Defaulting to "
125
 
                  "line 1." % lineno)
126
 
            return
127
 
        else:
128
 
            row = lineno - 1
129
 
 
130
 
        self.annoview.set_cursor(row)
131
 
        self.annoview.scroll_to_cell(row, use_align=True)
132
 
 
133
 
 
134
 
    def _annotate(self, tree, file_id):
135
 
        current_revision = FakeRevision(CURRENT_REVISION)
136
 
        current_revision.committer = self.branch.get_config().username()
137
 
        current_revision.timestamp = time.time()
138
 
        current_revision.message = '[Not yet committed]'
139
 
        current_revision.parent_ids = tree.get_parent_ids()
140
 
        current_revision.properties['branch-nick'] = self.branch._get_nick(local=True)
141
 
        current_revno = '%d?' % (self.branch.revno() + 1)
142
 
        repository = self.branch.repository
143
 
        if self.revision_id == CURRENT_REVISION:
144
 
            revision_id = self.branch.last_revision()
145
 
        else:
146
 
            revision_id = self.revision_id
147
 
        revision_cache = RevisionCache(repository, self.revisions)
148
 
        for origin, text in tree.annotate_iter(file_id):
149
 
            rev_id = origin
150
 
            if rev_id == CURRENT_REVISION:
151
 
                revision = current_revision
152
 
                revno = current_revno
153
 
            else:
154
 
                try:
155
 
                    revision = revision_cache.get_revision(rev_id)
156
 
                    revno = self.dotted.get(rev_id, 'merge')
157
 
                    if len(revno) > 15:
158
 
                        revno = 'merge'
159
 
                except NoSuchRevision:
160
 
                    revision = FakeRevision(rev_id)
161
 
                    revno = "?"
162
 
 
163
 
            yield revision, revno, text
164
 
 
165
 
    def _highlight_annotation(self, model, path, iter, now):
166
 
        revision_id, = model.get(iter, REVISION_ID_COL)
167
 
        revision = self.revisions[revision_id]
168
 
        model.set(iter, HIGHLIGHT_COLOR_COL,
169
 
                  self.annotate_colormap.get_color(revision, now))
170
 
 
171
 
    def _selected_revision(self):
172
 
        (path, col) = self.annoview.get_cursor()
173
 
        if path is None:
174
 
            return None
175
 
        return self.annomodel[path][REVISION_ID_COL]
176
 
 
177
 
    def _activate_selected_revision(self, w):
178
 
        rev_id = self._selected_revision()
179
 
        if not rev_id or rev_id == NULL_REVISION:
180
 
            return
181
 
        selected = self.revisions[rev_id]
182
 
        self.revisionview.set_revision(selected)
183
 
        if (len(selected.parent_ids) != 0 and selected.parent_ids[0] not in
184
 
            self._no_back):
185
 
            enable_back = True
186
 
        else:
187
 
            enable_back = False
188
 
        self.back_button.set_sensitive(enable_back)
189
 
 
190
 
    def _create(self):
191
 
        self.revisionview = self._create_log_view()
192
 
        self.annoview = self._create_annotate_view()
193
 
 
194
 
        vbox = Gtk.VBox(False)
195
 
        vbox.show()
196
 
 
197
 
        sw = Gtk.ScrolledWindow()
198
 
        sw.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
199
 
        sw.set_shadow_type(Gtk.ShadowType.IN)
200
 
        sw.add(self.annoview)
201
 
        self.annoview.gwindow = self
202
 
        sw.show()
203
 
 
204
 
        swbox = Gtk.VBox()
205
 
        swbox.pack_start(sw, True, True, 0)
206
 
        swbox.show()
207
 
 
208
 
        hbox = Gtk.HBox(False, 6)
209
 
        self.back_button = self._create_back_button()
210
 
        hbox.pack_start(self.back_button, expand=False, fill=True)
211
 
        self.forward_button = self._create_forward_button()
212
 
        hbox.pack_start(self.forward_button, expand=False, fill=True)
213
 
        self.find_button = self._create_find_button()
214
 
        hbox.pack_start(self.find_button, expand=False, fill=True)
215
 
        self.goto_button = self._create_goto_button()
216
 
        hbox.pack_start(self.goto_button, expand=False, fill=True)
217
 
        hbox.show()
218
 
        vbox.pack_start(hbox, expand=False, fill=True)
219
 
 
220
 
        self.pane = pane = Gtk.VPaned()
221
 
        pane.add1(swbox)
222
 
        pane.add2(self.revisionview)
223
 
        pane.show()
224
 
        vbox.pack_start(pane, expand=True, fill=True)
225
 
 
226
 
        self._search = SearchBox()
227
 
        swbox.pack_start(self._search, expand=False, fill=True)
228
 
        accels = Gtk.AccelGroup()
229
 
        accels.connect_group(Gdk.KEY_f, Gdk.EventMask.CONTROL_MASK,
230
 
                             Gtk.ACCEL_LOCKED,
231
 
                             self._search_by_text)
232
 
        accels.connect_group(Gdk.KEY_g, Gdk.EventMask.CONTROL_MASK,
233
 
                             Gtk.ACCEL_LOCKED,
234
 
                             self._search_by_line)
235
 
        self.add_accel_group(accels)
236
 
 
237
 
        self.add(vbox)
238
 
 
239
 
    def _search_by_text(self, *ignored): # (accel_group, window, key, modifiers):
240
 
        self._search.show_for('text')
241
 
        self._search.set_target(self.annoview, TEXT_LINE_COL)
242
 
 
243
 
    def _search_by_line(self, *ignored): # accel_group, window, key, modifiers):
244
 
        self._search.show_for('line')
245
 
        self._search.set_target(self.annoview, LINE_NUM_COL)
246
 
 
247
 
    def line_diff(self, tv, path, tvc):
248
 
        row = path[0]
249
 
        revision = self.annotations[row]
250
 
        repository = self.branch.repository
251
 
        if revision.revision_id == CURRENT_REVISION:
252
 
            tree1 = self.tree
253
 
            tree2 = self.tree.basis_tree()
254
 
        else:
255
 
            tree1 = repository.revision_tree(revision.revision_id)
256
 
            if len(revision.parent_ids) > 0:
257
 
                tree2 = repository.revision_tree(revision.parent_ids[0])
258
 
            else:
259
 
                tree2 = repository.revision_tree(NULL_REVISION)
260
 
        from bzrlib.plugins.gtk.diff import DiffWindow
261
 
        window = DiffWindow(self)
262
 
        window.set_diff("Diff for line %d" % (row+1), tree1, tree2)
263
 
        window.set_file(tree1.id2path(self.file_id))
264
 
        window.show()
265
 
 
266
 
 
267
 
    def _create_annotate_view(self):
268
 
        tv = Gtk.TreeView()
269
 
        tv.set_rules_hint(False)
270
 
        tv.connect("cursor-changed", self._activate_selected_revision)
271
 
        tv.show()
272
 
        tv.connect("row-activated", self.line_diff)
273
 
 
274
 
        cell = Gtk.CellRendererText()
275
 
        cell.set_property("xalign", 1.0)
276
 
        cell.set_property("ypad", 0)
277
 
        cell.set_property("family", "Monospace")
278
 
        cell.set_property("cell-background-gdk",
279
 
                          tv.get_style().bg[Gtk.StateType.NORMAL])
280
 
        col = Gtk.TreeViewColumn()
281
 
        col.set_resizable(False)
282
 
        col.pack_start(cell, True, True, 0)
283
 
        col.add_attribute(cell, "text", LINE_NUM_COL)
284
 
        tv.append_column(col)
285
 
 
286
 
        cell = Gtk.CellRendererText()
287
 
        cell.set_property("ypad", 0)
288
 
        cell.set_property("ellipsize", Pango.EllipsizeMode.END)
289
 
        cell.set_property("cell-background-gdk",
290
 
                          self.get_style().bg[Gtk.StateType.NORMAL])
291
 
        col = Gtk.TreeViewColumn("Committer")
292
 
        col.set_resizable(True)
293
 
        col.pack_start(cell, True, True, 0)
294
 
        col.add_attribute(cell, "text", COMMITTER_COL)
295
 
        tv.append_column(col)
296
 
 
297
 
        cell = Gtk.CellRendererText()
298
 
        cell.set_property("xalign", 1.0)
299
 
        cell.set_property("ypad", 0)
300
 
        cell.set_property("cell-background-gdk",
301
 
                          self.get_style().bg[Gtk.StateType.NORMAL])
302
 
        col = Gtk.TreeViewColumn("Revno")
303
 
        col.set_resizable(False)
304
 
        col.pack_start(cell, True, True, 0)
305
 
        col.add_attribute(cell, "markup", REVNO_COL)
306
 
        tv.append_column(col)
307
 
 
308
 
        cell = Gtk.CellRendererText()
309
 
        cell.set_property("ypad", 0)
310
 
        cell.set_property("family", "Monospace")
311
 
        col = Gtk.TreeViewColumn()
312
 
        col.set_resizable(False)
313
 
        col.pack_start(cell, True, True, 0)
314
 
#        col.add_attribute(cell, "foreground", HIGHLIGHT_COLOR_COL)
315
 
        col.add_attribute(cell, "background", HIGHLIGHT_COLOR_COL)
316
 
        col.add_attribute(cell, "text", TEXT_LINE_COL)
317
 
        tv.append_column(col)
318
 
 
319
 
        # interactive substring search
320
 
        def search_equal_func(model, column, key, iter):
321
 
            return model.get_value(iter, TEXT_LINE_COL).lower().find(key.lower()) == -1
322
 
 
323
 
        tv.set_enable_search(True)
324
 
        tv.set_search_equal_func(search_equal_func)
325
 
 
326
 
        return tv
327
 
 
328
 
    def _create_log_view(self):
329
 
        lv = RevisionView(self._branch)
330
 
        lv.show()
331
 
        return lv
332
 
 
333
 
    def _create_back_button(self):
334
 
        button = Gtk.Button()
335
 
        button.set_use_stock(True)
336
 
        button.set_label("gtk-go-back")
337
 
        button.connect("clicked", lambda w: self.go_back())
338
 
        button.set_relief(Gtk.ReliefStyle.NONE)
339
 
        button.show()
340
 
        return button
341
 
 
342
 
    def _create_forward_button(self):
343
 
        button = Gtk.Button()
344
 
        button.set_use_stock(True)
345
 
        button.set_label("gtk-go-forward")
346
 
        button.connect("clicked", lambda w: self.go_forward())
347
 
        button.set_relief(Gtk.ReliefStyle.NONE)
348
 
        button.show()
349
 
        button.set_sensitive(False)
350
 
        return button
351
 
 
352
 
    def _create_find_button(self):
353
 
        button = Gtk.Button()
354
 
        button.set_use_stock(True)
355
 
        button.set_label("gtk-find")
356
 
        button.set_tooltip_text("Search for text (Ctrl+F)")
357
 
        button.connect("clicked", self._search_by_text)
358
 
        button.set_relief(Gtk.ReliefStyle.NONE)
359
 
        button.show()
360
 
        button.set_sensitive(True)
361
 
        return button
362
 
 
363
 
    def _create_goto_button(self):
364
 
        button = Gtk.Button()
365
 
        button.set_label("Goto Line")
366
 
        button.set_tooltip_text("Scroll to a line by entering its number (Ctrl+G)")
367
 
        button.connect("clicked", self._search_by_line)
368
 
        button.set_relief(Gtk.ReliefStyle.NONE)
369
 
        button.show()
370
 
        button.set_sensitive(True)
371
 
        return button
372
 
 
373
 
    def go_back(self):
374
 
        last_tree = self.tree
375
 
        rev_id = self._selected_revision()
376
 
        parent_id = self.revisions[rev_id].parent_ids[0]
377
 
        target_tree = self.branch.repository.revision_tree(parent_id)
378
 
        if self._go(target_tree):
379
 
            self.history.append(last_tree)
380
 
            self.forward_button.set_sensitive(True)
381
 
        else:
382
 
            self._no_back.add(parent_id)
383
 
            self.back_button.set_sensitive(False)
384
 
 
385
 
    def go_forward(self):
386
 
        if len(self.history) == 0:
387
 
            return
388
 
        target_tree = self.history.pop()
389
 
        if len(self.history) == 0:
390
 
            self.forward_button.set_sensitive(False)
391
 
        self._go(target_tree)
392
 
 
393
 
    def _go(self, target_tree):
394
 
        rev_id = self._selected_revision()
395
 
        if self.file_id in target_tree:
396
 
            offset = self.get_scroll_offset(target_tree)
397
 
            (row,), col = self.annoview.get_cursor()
398
 
            self.annotate(target_tree, self.branch, self.file_id)
399
 
            new_row = row+offset
400
 
            if new_row < 0:
401
 
                new_row = 0
402
 
            self.annoview.set_cursor(new_row)
403
 
            return True
404
 
        else:
405
 
            return False
406
 
 
407
 
    def get_scroll_offset(self, tree):
408
 
        old = self.tree.get_file(self.file_id)
409
 
        new = tree.get_file(self.file_id)
410
 
        (row,), col = self.annoview.get_cursor()
411
 
        matcher = patiencediff.PatienceSequenceMatcher(None, old.readlines(),
412
 
                                                       new.readlines())
413
 
        for i, j, n in matcher.get_matching_blocks():
414
 
            if i + n >= row:
415
 
                return j - i
416
 
 
417
 
 
418
 
class FakeRevision(object):
419
 
    """ A fake revision.
420
 
 
421
 
    For when a revision is referenced but not present.
422
 
    """
423
 
 
424
 
    def __init__(self, revision_id, committer='?', nick=None):
425
 
        self.revision_id = revision_id
426
 
        self.parent_ids = []
427
 
        self.committer = committer
428
 
        self.message = "?"
429
 
        self.timestamp = 0.0
430
 
        self.timezone = 0
431
 
        self.properties = {}
432
 
 
433
 
    def get_apparent_authors(self):
434
 
        return [self.committer]
435
 
 
436
 
 
437
 
class RevisionCache(object):
438
 
    """A caching revision source"""
439
 
 
440
 
    def __init__(self, real_source, seed_cache=None):
441
 
        self.__real_source = real_source
442
 
        if seed_cache is None:
443
 
            self.__cache = {}
444
 
        else:
445
 
            self.__cache = dict(seed_cache)
446
 
 
447
 
    def get_revision(self, revision_id):
448
 
        if revision_id not in self.__cache:
449
 
            revision = self.__real_source.get_revision(revision_id)
450
 
            self.__cache[revision_id] = revision
451
 
        return self.__cache[revision_id]
452
 
 
453
 
class SearchBox(Gtk.HBox):
454
 
    """A button box for searching in text or lines of annotations"""
455
 
    def __init__(self):
456
 
        GObject.GObject.__init__(self, False, 6)
457
 
 
458
 
        # Close button
459
 
        button = Gtk.Button()
460
 
        image = Gtk.Image()
461
 
        image.set_from_stock('gtk-stop', Gtk.IconSize.BUTTON)
462
 
        button.set_image(image)
463
 
        button.set_relief(Gtk.ReliefStyle.NONE)
464
 
        button.connect("clicked", lambda w: self.hide_all())
465
 
        self.pack_start(button, expand=False, fill=False)
466
 
 
467
 
        # Search entry
468
 
        label = Gtk.Label()
469
 
        self._label = label
470
 
        self.pack_start(label, expand=False, fill=False)
471
 
 
472
 
        entry = Gtk.Entry()
473
 
        self._entry = entry
474
 
        entry.connect("activate", lambda w, d: self._do_search(d),
475
 
                      'forward')
476
 
        self.pack_start(entry, expand=False, fill=False)
477
 
 
478
 
        # Next/previous buttons
479
 
        button = Gtk.Button('_Next')
480
 
        image = Gtk.Image()
481
 
        image.set_from_stock('gtk-go-forward', Gtk.IconSize.BUTTON)
482
 
        button.set_image(image)
483
 
        button.connect("clicked", lambda w, d: self._do_search(d),
484
 
                       'forward')
485
 
        self.pack_start(button, expand=False, fill=False)
486
 
 
487
 
        button = Gtk.Button('_Previous')
488
 
        image = Gtk.Image()
489
 
        image.set_from_stock('gtk-go-back', Gtk.IconSize.BUTTON)
490
 
        button.set_image(image)
491
 
        button.connect("clicked", lambda w, d: self._do_search(d),
492
 
                       'backward')
493
 
        self.pack_start(button, expand=False, fill=False)
494
 
 
495
 
        # Search options
496
 
        check = Gtk.CheckButton('Match case')
497
 
        self._match_case = check
498
 
        self.pack_start(check, expand=False, fill=False)
499
 
 
500
 
        check = Gtk.CheckButton('Regexp')
501
 
        check.connect("toggled", lambda w: self._set_label())
502
 
        self._regexp = check
503
 
        self.pack_start(check, expand=False, fill=False)
504
 
 
505
 
        self._view = None
506
 
        self._column = None
507
 
        # Note that we stay hidden (we do not call self.show_all())
508
 
 
509
 
 
510
 
    def show_for(self, kind):
511
 
        self._kind = kind
512
 
        self.show_all()
513
 
        self._set_label()
514
 
        # Hide unrelated buttons
515
 
        if kind == 'line':
516
 
            self._match_case.hide()
517
 
            self._regexp.hide()
518
 
        # Be ready
519
 
        self._entry.grab_focus()
520
 
 
521
 
    def _set_label(self):
522
 
        if self._kind == 'line':
523
 
            self._label.set_text('Find Line: ')
524
 
        else:
525
 
            if self._regexp.get_active():
526
 
                self._label.set_text('Find Regexp: ')
527
 
            else:
528
 
                self._label.set_text('Find Text: ')
529
 
 
530
 
    def set_target(self, view,column):
531
 
        self._view = view
532
 
        self._column = column
533
 
 
534
 
    def _match(self, model, iterator, column):
535
 
        matching_case = self._match_case.get_active()
536
 
        cell_value, = model.get(iterator, column)
537
 
        key = self._entry.get_text()
538
 
        if column == LINE_NUM_COL:
539
 
            # FIXME: For goto-line there are faster algorithms than searching 
540
 
            # every line til we find the right one! -- mbp 2011-01-27
541
 
            return key.strip() == str(cell_value)
542
 
        elif self._regexp.get_active():
543
 
            if matching_case:
544
 
                match = re.compile(key).search(cell_value, 1)
545
 
            else:
546
 
                match = re.compile(key, re.I).search(cell_value, 1)
547
 
        else:
548
 
            if not matching_case:
549
 
                cell_value = cell_value.lower()
550
 
                key = key.lower()
551
 
            match = cell_value.find(key) != -1
552
 
 
553
 
        return match
554
 
 
555
 
    def _iterate_rows_forward(self, model, start):
556
 
        model_size = len(model)
557
 
        current = start + 1
558
 
        while model_size != 0:
559
 
            if current >= model_size: current =  0
560
 
            yield model.get_iter_from_string('%d' % current)
561
 
            if current == start: raise StopIteration
562
 
            current += 1
563
 
 
564
 
    def _iterate_rows_backward(self, model, start):
565
 
        model_size = len(model)
566
 
        current = start - 1
567
 
        while model_size != 0:
568
 
            if current < 0: current = model_size - 1
569
 
            yield model.get_iter_from_string('%d' % current)
570
 
            if current == start: raise StopIteration
571
 
            current -= 1
572
 
 
573
 
    def _do_search(self, direction):
574
 
        if direction == 'forward':
575
 
            iterate = self._iterate_rows_forward
576
 
        else:
577
 
            iterate = self._iterate_rows_backward
578
 
 
579
 
        model, sel = self._view.get_selection().get_selected()
580
 
        if sel is None:
581
 
            start = 0
582
 
        else:
583
 
            path = model.get_string_from_iter(sel)
584
 
            start = int(path)
585
 
 
586
 
        for row in iterate(model, start):
587
 
            if self._match(model, row, self._column):
588
 
                path = model.get_path(row)
589
 
                self._view.set_cursor(path)
590
 
                self._view.scroll_to_cell(path, use_align=True)
591
 
                break