/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 Gdk
21
 
from gi.repository import Gtk
22
 
from gi.repository import Pango
23
 
import re
24
 
 
25
 
from bzrlib import patiencediff
26
 
from bzrlib.errors import NoSuchRevision
27
 
from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
28
 
 
29
 
from bzrlib.plugins.gtk.annotate.colormap import AnnotateColorSaturation
30
 
from bzrlib.plugins.gtk.i18n import _i18n
31
 
from bzrlib.plugins.gtk.revisionview import RevisionView
32
 
from bzrlib.plugins.gtk.window import Window
33
 
 
34
 
 
35
 
(
36
 
    REVISION_ID_COL,
37
 
    LINE_NUM_COL,
38
 
    COMMITTER_COL,
39
 
    REVNO_COL,
40
 
    HIGHLIGHT_COLOR_COL,
41
 
    TEXT_LINE_COL
42
 
) = range(6)
43
 
 
44
 
 
45
 
class GAnnotateWindow(Window):
46
 
    """Annotate window."""
47
 
 
48
 
    def __init__(self, all=False, plain=False, parent=None, branch=None):
49
 
        self.all = all
50
 
        self.plain = plain
51
 
        self._branch = branch
52
 
 
53
 
        super(GAnnotateWindow, self).__init__(parent=parent)
54
 
 
55
 
        self.set_icon(
56
 
            self.render_icon_pixbuf(Gtk.STOCK_FIND, Gtk.IconSize.BUTTON))
57
 
        self.annotate_colormap = AnnotateColorSaturation()
58
 
 
59
 
        self._create()
60
 
        self.revisions = {}
61
 
        self.history = []
62
 
        self._no_back = set()
63
 
 
64
 
    def annotate(self, tree, branch, file_id):
65
 
        self.annotations = []
66
 
        self.branch = branch
67
 
        self.tree = tree
68
 
        self.file_id = file_id
69
 
        self.revisionview.set_file_id(file_id)
70
 
        self.revision_id = getattr(tree, 'get_revision_id', 
71
 
                                   lambda: CURRENT_REVISION)()
72
 
 
73
 
        # [revision id, line number, author, revno, highlight color, line]
74
 
        self.annomodel = Gtk.ListStore(GObject.TYPE_STRING,
75
 
                                       GObject.TYPE_INT,
76
 
                                       GObject.TYPE_STRING,
77
 
                                       GObject.TYPE_STRING,
78
 
                                       GObject.TYPE_STRING,
79
 
                                       GObject.TYPE_STRING)
80
 
 
81
 
        last_seen = None
82
 
        try:
83
 
            branch.lock_read()
84
 
            branch.repository.lock_read()
85
 
            self.dotted = {}
86
 
            revno_map = self.branch.get_revision_id_to_revno_map()
87
 
            for revision_id, revno in revno_map.iteritems():
88
 
                self.dotted[revision_id] = '.'.join(str(num) for num in revno)
89
 
            for line_no, (revision, revno, line)\
90
 
                in enumerate(self._annotate(tree, file_id)):
91
 
                if revision.revision_id == last_seen and not self.all:
92
 
                    revno = author = ""
93
 
                else:
94
 
                    last_seen = revision.revision_id
95
 
                    author = ", ".join(revision.get_apparent_authors())
96
 
 
97
 
                if revision.revision_id not in self.revisions:
98
 
                    self.revisions[revision.revision_id] = revision
99
 
 
100
 
                self.annomodel.append([revision.revision_id,
101
 
                                       line_no + 1,
102
 
                                       author,
103
 
                                       revno,
104
 
                                       None,
105
 
                                       line.rstrip("\r\n")
106
 
                                       ])
107
 
                self.annotations.append(revision)
108
 
 
109
 
            if not self.plain:
110
 
                now = time.time()
111
 
                self.annomodel.foreach(self._highlight_annotation, now)
112
 
        finally:
113
 
            branch.repository.unlock()
114
 
            branch.unlock()
115
 
 
116
 
        self.annoview.set_model(self.annomodel)
117
 
        self.annoview.grab_focus()
118
 
        my_revno = self.dotted.get(self.revision_id, 'current')
119
 
        title = '%s (%s) - gannotate' % (self.tree.id2path(file_id), my_revno)
120
 
        self.set_title(title)
121
 
 
122
 
    def jump_to_line(self, lineno):
123
 
        if lineno > len(self.annomodel) or lineno < 1:
124
 
            row = 0
125
 
            # FIXME:should really deal with this in the gui. Perhaps a status
126
 
            # bar?
127
 
            print("gannotate: Line number %d does't exist. Defaulting to "
128
 
                  "line 1." % lineno)
129
 
            return
130
 
        else:
131
 
            row = lineno - 1
132
 
 
133
 
        tree_path = Gtk.TreePath(path=row)
134
 
        self.annoview.set_cursor(tree_path, None, False)
135
 
        self.annoview.scroll_to_cell(tree_path, use_align=True)
136
 
 
137
 
    def _annotate(self, tree, file_id):
138
 
        current_revision = FakeRevision(CURRENT_REVISION)
139
 
        current_revision.committer = self.branch.get_config().username()
140
 
        current_revision.timestamp = time.time()
141
 
        current_revision.message = '[Not yet committed]'
142
 
        current_revision.parent_ids = tree.get_parent_ids()
143
 
        current_revision.properties['branch-nick'] = self.branch._get_nick(local=True)
144
 
        current_revno = '%d?' % (self.branch.revno() + 1)
145
 
        repository = self.branch.repository
146
 
        if self.revision_id == CURRENT_REVISION:
147
 
            revision_id = self.branch.last_revision()
148
 
        else:
149
 
            revision_id = self.revision_id
150
 
        revision_cache = RevisionCache(repository, self.revisions)
151
 
        for origin, text in tree.annotate_iter(file_id):
152
 
            rev_id = origin
153
 
            if rev_id == CURRENT_REVISION:
154
 
                revision = current_revision
155
 
                revno = current_revno
156
 
            else:
157
 
                try:
158
 
                    revision = revision_cache.get_revision(rev_id)
159
 
                    revno = self.dotted.get(rev_id, 'merge')
160
 
                    if len(revno) > 15:
161
 
                        revno = 'merge'
162
 
                except NoSuchRevision:
163
 
                    revision = FakeRevision(rev_id)
164
 
                    revno = "?"
165
 
 
166
 
            yield revision, revno, text
167
 
 
168
 
    def _highlight_annotation(self, model, path, iter, now):
169
 
        revision_id, = model.get(iter, REVISION_ID_COL)
170
 
        revision = self.revisions[revision_id]
171
 
        # XXX sinzui 2011-08-12: What does get_color return?
172
 
        color = self.annotate_colormap.get_color(revision, now)
173
 
        model.set_value(iter, HIGHLIGHT_COLOR_COL, color)
174
 
 
175
 
    def _selected_revision(self):
176
 
        (path, col) = self.annoview.get_cursor()
177
 
        if path is None:
178
 
            return None
179
 
        return self.annomodel[path][REVISION_ID_COL]
180
 
 
181
 
    def _activate_selected_revision(self, w):
182
 
        rev_id = self._selected_revision()
183
 
        if not rev_id or rev_id == NULL_REVISION:
184
 
            return
185
 
        selected = self.revisions[rev_id]
186
 
        self.revisionview.set_revision(selected)
187
 
        if (len(selected.parent_ids) != 0 and selected.parent_ids[0] not in
188
 
            self._no_back):
189
 
            enable_back = True
190
 
        else:
191
 
            enable_back = False
192
 
        self.back_button.set_sensitive(enable_back)
193
 
 
194
 
    def _create(self):
195
 
        self.revisionview = self._create_log_view()
196
 
        self.annoview = self._create_annotate_view()
197
 
 
198
 
        vbox = Gtk.VBox(homogeneous=False, spacing=0)
199
 
        vbox.show()
200
 
 
201
 
        sw = Gtk.ScrolledWindow()
202
 
        sw.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
203
 
        sw.set_shadow_type(Gtk.ShadowType.IN)
204
 
        sw.add(self.annoview)
205
 
        self.annoview.gwindow = self
206
 
        sw.show()
207
 
 
208
 
        swbox = Gtk.VBox()
209
 
        swbox.pack_start(sw, True, True, 0)
210
 
        swbox.show()
211
 
 
212
 
        hbox = Gtk.HBox(homogeneous=False, spacing=6)
213
 
        self.back_button = self._create_back_button()
214
 
        hbox.pack_start(self.back_button, False, True, 0)
215
 
        self.forward_button = self._create_forward_button()
216
 
        hbox.pack_start(self.forward_button, False, True, 0)
217
 
        self.find_button = self._create_find_button()
218
 
        hbox.pack_start(self.find_button, False, True, 0)
219
 
        self.goto_button = self._create_goto_button()
220
 
        hbox.pack_start(self.goto_button, False, True, 0)
221
 
        hbox.show()
222
 
        vbox.pack_start(hbox, False, True, 0)
223
 
 
224
 
        self.pane = pane = Gtk.Paned.new(Gtk.Orientation.VERTICAL)
225
 
        pane.add1(swbox)
226
 
        pane.add2(self.revisionview)
227
 
        pane.show()
228
 
        vbox.pack_start(pane, True, True, 0)
229
 
 
230
 
        self._search = SearchBox()
231
 
        swbox.pack_start(self._search, False, True, 0)
232
 
        accels = Gtk.AccelGroup()
233
 
        accels.connect(Gdk.KEY_f, Gdk.ModifierType.CONTROL_MASK,
234
 
                             Gtk.AccelFlags.LOCKED,
235
 
                             self._search_by_text)
236
 
        accels.connect(Gdk.KEY_g, Gdk.ModifierType.CONTROL_MASK,
237
 
                             Gtk.AccelFlags.LOCKED,
238
 
                             self._search_by_line)
239
 
        self.add_accel_group(accels)
240
 
 
241
 
        self.add(vbox)
242
 
 
243
 
    def _search_by_text(self, *ignored): # (accel_group, window, key, modifiers):
244
 
        self._search.show_for('text')
245
 
        self._search.set_target(self.annoview, TEXT_LINE_COL)
246
 
 
247
 
    def _search_by_line(self, *ignored): # accel_group, window, key, modifiers):
248
 
        self._search.show_for('line')
249
 
        self._search.set_target(self.annoview, LINE_NUM_COL)
250
 
 
251
 
    def line_diff(self, tv, path, tvc):
252
 
        row = path.get_indices()[0]
253
 
        revision = self.annotations[row]
254
 
        repository = self.branch.repository
255
 
        if revision.revision_id == CURRENT_REVISION:
256
 
            tree1 = self.tree
257
 
            tree2 = self.tree.basis_tree()
258
 
        else:
259
 
            tree1 = repository.revision_tree(revision.revision_id)
260
 
            if len(revision.parent_ids) > 0:
261
 
                tree2 = repository.revision_tree(revision.parent_ids[0])
262
 
            else:
263
 
                tree2 = repository.revision_tree(NULL_REVISION)
264
 
        from bzrlib.plugins.gtk.diff import DiffWindow
265
 
        window = DiffWindow(self)
266
 
        window.set_diff("Diff for line %d" % (row+1), tree1, tree2)
267
 
        window.set_file(tree1.id2path(self.file_id))
268
 
        window.show()
269
 
 
270
 
 
271
 
    def _create_annotate_view(self):
272
 
        tv = Gtk.TreeView()
273
 
        tv.set_rules_hint(False)
274
 
        tv.connect("cursor-changed", self._activate_selected_revision)
275
 
        tv.show()
276
 
        tv.connect("row-activated", self.line_diff)
277
 
 
278
 
        cell = Gtk.CellRendererText()
279
 
        cell.set_property("xalign", 1.0)
280
 
        cell.set_property("ypad", 0)
281
 
        cell.set_property("family", "Monospace")
282
 
        cell.set_property("cell-background-gdk",
283
 
                          tv.get_style().bg[Gtk.StateType.NORMAL])
284
 
        col = Gtk.TreeViewColumn()
285
 
        col.set_resizable(False)
286
 
        col.pack_start(cell, True)
287
 
        col.add_attribute(cell, "text", LINE_NUM_COL)
288
 
        tv.append_column(col)
289
 
 
290
 
        cell = Gtk.CellRendererText()
291
 
        cell.set_property("ypad", 0)
292
 
        cell.set_property("ellipsize", Pango.EllipsizeMode.END)
293
 
        cell.set_property("cell-background-gdk",
294
 
                          self.get_style().bg[Gtk.StateType.NORMAL])
295
 
        col = Gtk.TreeViewColumn("Committer")
296
 
        col.set_resizable(True)
297
 
        col.pack_start(cell, True)
298
 
        col.add_attribute(cell, "text", COMMITTER_COL)
299
 
        tv.append_column(col)
300
 
 
301
 
        cell = Gtk.CellRendererText()
302
 
        cell.set_property("xalign", 1.0)
303
 
        cell.set_property("ypad", 0)
304
 
        cell.set_property("cell-background-gdk",
305
 
                          self.get_style().bg[Gtk.StateType.NORMAL])
306
 
        col = Gtk.TreeViewColumn("Revno")
307
 
        col.set_resizable(False)
308
 
        col.pack_start(cell, True)
309
 
        col.add_attribute(cell, "markup", REVNO_COL)
310
 
        tv.append_column(col)
311
 
 
312
 
        cell = Gtk.CellRendererText()
313
 
        cell.set_property("ypad", 0)
314
 
        cell.set_property("family", "Monospace")
315
 
        col = Gtk.TreeViewColumn()
316
 
        col.set_resizable(False)
317
 
        col.pack_start(cell, True)
318
 
#        col.add_attribute(cell, "foreground", HIGHLIGHT_COLOR_COL)
319
 
        col.add_attribute(cell, "background", HIGHLIGHT_COLOR_COL)
320
 
        col.add_attribute(cell, "text", TEXT_LINE_COL)
321
 
        tv.append_column(col)
322
 
 
323
 
        # interactive substring search
324
 
        def search_equal_func(model, column, key, iter):
325
 
            return model.get_value(iter, TEXT_LINE_COL).lower().find(key.lower()) == -1
326
 
 
327
 
        tv.set_enable_search(True)
328
 
        tv.set_search_equal_func(search_equal_func, None)
329
 
 
330
 
        return tv
331
 
 
332
 
    def _create_log_view(self):
333
 
        lv = RevisionView(self._branch)
334
 
        lv.show()
335
 
        return lv
336
 
 
337
 
    def _create_back_button(self):
338
 
        button = Gtk.Button()
339
 
        button.set_use_stock(True)
340
 
        button.set_label("gtk-go-back")
341
 
        button.connect("clicked", lambda w: self.go_back())
342
 
        button.set_relief(Gtk.ReliefStyle.NONE)
343
 
        button.show()
344
 
        return button
345
 
 
346
 
    def _create_forward_button(self):
347
 
        button = Gtk.Button()
348
 
        button.set_use_stock(True)
349
 
        button.set_label("gtk-go-forward")
350
 
        button.connect("clicked", lambda w: self.go_forward())
351
 
        button.set_relief(Gtk.ReliefStyle.NONE)
352
 
        button.show()
353
 
        button.set_sensitive(False)
354
 
        return button
355
 
 
356
 
    def _create_find_button(self):
357
 
        button = Gtk.Button()
358
 
        button.set_use_stock(True)
359
 
        button.set_label("gtk-find")
360
 
        button.set_tooltip_text("Search for text (Ctrl+F)")
361
 
        button.connect("clicked", self._search_by_text)
362
 
        button.set_relief(Gtk.ReliefStyle.NONE)
363
 
        button.show()
364
 
        button.set_sensitive(True)
365
 
        return button
366
 
 
367
 
    def _create_goto_button(self):
368
 
        button = Gtk.Button()
369
 
        button.set_label("Goto Line")
370
 
        button.set_tooltip_text("Scroll to a line by entering its number (Ctrl+G)")
371
 
        button.connect("clicked", self._search_by_line)
372
 
        button.set_relief(Gtk.ReliefStyle.NONE)
373
 
        button.show()
374
 
        button.set_sensitive(True)
375
 
        return button
376
 
 
377
 
    def go_back(self):
378
 
        last_tree = self.tree
379
 
        rev_id = self._selected_revision()
380
 
        parent_id = self.revisions[rev_id].parent_ids[0]
381
 
        target_tree = self.branch.repository.revision_tree(parent_id)
382
 
        if self._go(target_tree):
383
 
            self.history.append(last_tree)
384
 
            self.forward_button.set_sensitive(True)
385
 
        else:
386
 
            self._no_back.add(parent_id)
387
 
            self.back_button.set_sensitive(False)
388
 
 
389
 
    def go_forward(self):
390
 
        if len(self.history) == 0:
391
 
            return
392
 
        target_tree = self.history.pop()
393
 
        if len(self.history) == 0:
394
 
            self.forward_button.set_sensitive(False)
395
 
        self._go(target_tree)
396
 
 
397
 
    def _go(self, target_tree):
398
 
        rev_id = self._selected_revision()
399
 
        if self.file_id in target_tree:
400
 
            offset = self.get_scroll_offset(target_tree)
401
 
            path, col = self.annoview.get_cursor()
402
 
            (row,) = path.get_indices()
403
 
            self.annotate(target_tree, self.branch, self.file_id)
404
 
            new_row = row+offset
405
 
            if new_row < 0:
406
 
                new_row = 0
407
 
            new_path = Gtk.TreePath(path=new_row)
408
 
            self.annoview.set_cursor(new_path, None, False)
409
 
            return True
410
 
        else:
411
 
            return False
412
 
 
413
 
    def get_scroll_offset(self, tree):
414
 
        old = self.tree.get_file(self.file_id)
415
 
        new = tree.get_file(self.file_id)
416
 
        path, col = self.annoview.get_cursor()
417
 
        (row,) = path.get_indices()
418
 
        matcher = patiencediff.PatienceSequenceMatcher(None, old.readlines(),
419
 
                                                       new.readlines())
420
 
        for i, j, n in matcher.get_matching_blocks():
421
 
            if i + n >= row:
422
 
                return j - i
423
 
 
424
 
 
425
 
class FakeRevision(object):
426
 
    """ A fake revision.
427
 
 
428
 
    For when a revision is referenced but not present.
429
 
    """
430
 
 
431
 
    def __init__(self, revision_id, committer='?', nick=None):
432
 
        self.revision_id = revision_id
433
 
        self.parent_ids = []
434
 
        self.committer = committer
435
 
        self.message = "?"
436
 
        self.timestamp = 0.0
437
 
        self.timezone = 0
438
 
        self.properties = {}
439
 
 
440
 
    def get_apparent_authors(self):
441
 
        return [self.committer]
442
 
 
443
 
 
444
 
class RevisionCache(object):
445
 
    """A caching revision source"""
446
 
 
447
 
    def __init__(self, real_source, seed_cache=None):
448
 
        self.__real_source = real_source
449
 
        if seed_cache is None:
450
 
            self.__cache = {}
451
 
        else:
452
 
            self.__cache = dict(seed_cache)
453
 
 
454
 
    def get_revision(self, revision_id):
455
 
        if revision_id not in self.__cache:
456
 
            revision = self.__real_source.get_revision(revision_id)
457
 
            self.__cache[revision_id] = revision
458
 
        return self.__cache[revision_id]
459
 
 
460
 
 
461
 
class SearchBox(Gtk.HBox):
462
 
    """A button box for searching in text or lines of annotations"""
463
 
    def __init__(self):
464
 
        super(SearchBox, self).__init__(homogeneous=False, spacing=6)
465
 
 
466
 
        # Close button
467
 
        button = Gtk.Button()
468
 
        image = Gtk.Image()
469
 
        image.set_from_stock('gtk-stop', Gtk.IconSize.BUTTON)
470
 
        button.set_image(image)
471
 
        button.set_relief(Gtk.ReliefStyle.NONE)
472
 
        button.connect("clicked", lambda w: self.hide())
473
 
        self.pack_start(button, False, False, 0)
474
 
 
475
 
        # Search entry
476
 
        label = Gtk.Label()
477
 
        self._label = label
478
 
        self.pack_start(label, False, False, 0)
479
 
 
480
 
        entry = Gtk.Entry()
481
 
        self._entry = entry
482
 
        entry.connect("activate", lambda w, d: self._do_search(d),
483
 
                      'forward')
484
 
        self.pack_start(entry, False, False, 0)
485
 
 
486
 
        # Next/previous buttons
487
 
        button = Gtk.Button(_i18n('_Next'), use_underline=True)
488
 
        image = Gtk.Image()
489
 
        image.set_from_stock('gtk-go-forward', Gtk.IconSize.BUTTON)
490
 
        button.set_image(image)
491
 
        button.connect("clicked", lambda w, d: self._do_search(d),
492
 
                       'forward')
493
 
        self.pack_start(button, False, False, 0)
494
 
 
495
 
        button = Gtk.Button(_i18n('_Previous'), use_underline=True)
496
 
        image = Gtk.Image()
497
 
        image.set_from_stock('gtk-go-back', Gtk.IconSize.BUTTON)
498
 
        button.set_image(image)
499
 
        button.connect("clicked", lambda w, d: self._do_search(d),
500
 
                       'backward')
501
 
        self.pack_start(button, False, False, 0)
502
 
 
503
 
        # Search options
504
 
        check = Gtk.CheckButton('Match case')
505
 
        self._match_case = check
506
 
        self.pack_start(check, False, False, 0)
507
 
 
508
 
        check = Gtk.CheckButton('Regexp')
509
 
        check.connect("toggled", lambda w: self._set_label())
510
 
        self._regexp = check
511
 
        self.pack_start(check, False, False, 0)
512
 
 
513
 
        self._view = None
514
 
        self._column = None
515
 
        # Note that we stay hidden (we do not call self.show_all())
516
 
 
517
 
 
518
 
    def show_for(self, kind):
519
 
        self._kind = kind
520
 
        self.show_all()
521
 
        self._set_label()
522
 
        # Hide unrelated buttons
523
 
        if kind == 'line':
524
 
            self._match_case.hide()
525
 
            self._regexp.hide()
526
 
        # Be ready
527
 
        self._entry.grab_focus()
528
 
 
529
 
    def _set_label(self):
530
 
        if self._kind == 'line':
531
 
            self._label.set_text('Find Line: ')
532
 
        else:
533
 
            if self._regexp.get_active():
534
 
                self._label.set_text('Find Regexp: ')
535
 
            else:
536
 
                self._label.set_text('Find Text: ')
537
 
 
538
 
    def set_target(self, view,column):
539
 
        self._view = view
540
 
        self._column = column
541
 
 
542
 
    def _match(self, model, iterator, column):
543
 
        matching_case = self._match_case.get_active()
544
 
        cell_value, = model.get(iterator, column)
545
 
        key = self._entry.get_text()
546
 
        if column == LINE_NUM_COL:
547
 
            # FIXME: For goto-line there are faster algorithms than searching 
548
 
            # every line til we find the right one! -- mbp 2011-01-27
549
 
            return key.strip() == str(cell_value)
550
 
        elif self._regexp.get_active():
551
 
            if matching_case:
552
 
                match = re.compile(key).search(cell_value, 1)
553
 
            else:
554
 
                match = re.compile(key, re.I).search(cell_value, 1)
555
 
        else:
556
 
            if not matching_case:
557
 
                cell_value = cell_value.lower()
558
 
                key = key.lower()
559
 
            match = cell_value.find(key) != -1
560
 
 
561
 
        return match
562
 
 
563
 
    def _iterate_rows_forward(self, model, start):
564
 
        model_size = len(model)
565
 
        current = start + 1
566
 
        while model_size != 0:
567
 
            if current >= model_size: current =  0
568
 
            yield model.get_iter_from_string('%d' % current)
569
 
            if current == start: raise StopIteration
570
 
            current += 1
571
 
 
572
 
    def _iterate_rows_backward(self, model, start):
573
 
        model_size = len(model)
574
 
        current = start - 1
575
 
        while model_size != 0:
576
 
            if current < 0: current = model_size - 1
577
 
            yield model.get_iter_from_string('%d' % current)
578
 
            if current == start: raise StopIteration
579
 
            current -= 1
580
 
 
581
 
    def _do_search(self, direction):
582
 
        if direction == 'forward':
583
 
            iterate = self._iterate_rows_forward
584
 
        else:
585
 
            iterate = self._iterate_rows_backward
586
 
 
587
 
        model, sel = self._view.get_selection().get_selected()
588
 
        if sel is None:
589
 
            start = 0
590
 
        else:
591
 
            path = model.get_string_from_iter(sel)
592
 
            start = int(path)
593
 
 
594
 
        for row in iterate(model, start):
595
 
            if self._match(model, row, self._column):
596
 
                path = model.get_path(row)
597
 
                self._view.set_cursor(path, None, False)
598
 
                self._view.scroll_to_cell(path, use_align=True)
599
 
                break