5 @tood Add a unit description dialog for when hildonized
7 @todo Add support for custom units
9 @todo Add support for compound units
36 _moduleLogger = logging.getLogger("gonvert_glade")
37 PROFILE_STARTUP = False
38 FORCE_HILDON_LIKE = False
40 if gettext is not None:
41 gettext.bindtextdomain('gonvert', '/usr/share/locale')
42 gettext.textdomain('gonvert')
45 def change_menu_label(widgets, labelname, newtext):
46 item_label = widgets.get_widget(labelname).get_children()[0]
47 item_label.set_text(newtext)
50 def split_number(number):
52 fractional, integer = math.modf(number)
54 integerDisplay = number
55 fractionalDisplay = ""
57 integerDisplay = str(integer)
58 fractionalDisplay = str(fractional)
59 if "e+" in integerDisplay:
60 integerDisplay = number
61 fractionalDisplay = ""
62 elif "e-" in fractionalDisplay and 0.0 < integer:
63 integerDisplay = number
64 fractionalDisplay = ""
65 elif "e-" in fractionalDisplay:
67 fractionalDisplay = number
69 integerDisplay = integerDisplay.split(".", 1)[0] + "."
70 fractionalDisplay = fractionalDisplay.rsplit(".", 1)[-1]
72 return integerDisplay, fractionalDisplay
75 class Gonvert(object):
78 os.path.join(os.path.dirname(__file__), "gonvert.glade"),
79 os.path.join(os.path.dirname(__file__), "../data/gonvert.glade"),
80 os.path.join(os.path.dirname(__file__), "../lib/gonvert.glade"),
81 '/usr/share/gonvert/gonvert.glade',
82 '/usr/lib/gonvert/gonvert.glade',
89 UNITS_FRACTION_IDX = 4
92 self._unitDataInCategory = None
93 self._unit_sort_direction = False
94 self._value_sort_direction = False
95 self._units_sort_direction = False
96 self._isFullScreen = False
98 self._find_result = [] # empty find result list
99 self._findIndex = 0 # default to find result number zero
101 self._selectedCategoryName = '' # preset to no selected category
102 self._defaultUnitForCategory = {} # empty dictionary for later use
104 #check to see if glade file is in current directory (user must be
105 # running from download untar directory)
106 for gladePath in self._glade_files:
107 if os.path.isfile(gladePath):
108 homepath = os.path.dirname(gladePath)
109 pixmapspath = "/".join((homepath, "pixmaps"))
110 widgets = gtk.glade.XML(gladePath)
113 _moduleLogger.error("UI Descriptor not found!")
117 self._mainWindow = widgets.get_widget('mainWindow')
118 self._app = hildonize.get_app_class()()
119 self._mainWindow = hildonize.hildonize_window(self._app, self._mainWindow)
121 change_menu_label(widgets, 'fileMenuItem', _('File'))
122 change_menu_label(widgets, 'exitMenuItem', _('Exit'))
123 change_menu_label(widgets, 'helpMenuItem', _('Help'))
124 change_menu_label(widgets, 'aboutMenuItem', _('About'))
125 change_menu_label(widgets, 'findButton', _('Find'))
127 self._categorySelectionButton = widgets.get_widget("categorySelectionButton")
128 self._categoryView = widgets.get_widget('categoryView')
130 self._unitsView = widgets.get_widget('unitsView')
131 self._unitsView.set_property('rules_hint', 1)
132 self._unitsView_selection = self._unitsView.get_selection()
134 self._unitName = widgets.get_widget('unitName')
135 self._unitValue = widgets.get_widget('unitValue')
136 self._previousUnitName = widgets.get_widget('previousUnitName')
137 self._previousUnitValue = widgets.get_widget('previousUnitValue')
139 self._unitSymbol = widgets.get_widget('unitSymbol')
140 self._previousUnitSymbol = widgets.get_widget('previousUnitSymbol')
142 self._unitDescription = widgets.get_widget('unitDescription')
144 self._searchLayout = widgets.get_widget('searchLayout')
145 self._searchLayout.hide()
146 self._findEntry = widgets.get_widget('findEntry')
147 self._findLabel = widgets.get_widget('findLabel')
148 self._findButton = widgets.get_widget('findButton')
150 self._unitsNameRenderer = gtk.CellRendererText()
151 self._unitsNameRenderer.set_property("ellipsize", pango.ELLIPSIZE_END)
152 self._unitsNameRenderer.set_property("scale", 0.75)
153 self._unitsNameRenderer.set_property("width-chars", 5)
154 self._unitNameColumn = gtk.TreeViewColumn(_('Name'), self._unitsNameRenderer)
155 self._unitNameColumn.set_property('resizable', True)
156 self._unitNameColumn.add_attribute(self._unitsNameRenderer, 'text', self.UNITS_NAME_IDX)
157 self._unitNameColumn.set_clickable(True)
158 self._unitNameColumn.connect("clicked", self._on_click_unit_column)
159 self._unitsView.append_column(self._unitNameColumn)
161 renderer = gtk.CellRendererText()
162 renderer.set_property("xalign", 1.0)
163 renderer.set_property("alignment", pango.ALIGN_RIGHT)
164 hildonize.set_cell_thumb_selectable(renderer)
165 self._unitIntegerColumn = gtk.TreeViewColumn(_('Value'), renderer)
166 self._unitIntegerColumn.set_property('resizable', True)
167 self._unitIntegerColumn.add_attribute(renderer, 'text', self.UNITS_INTEGER_IDX)
168 self._unitIntegerColumn.set_clickable(True)
169 self._unitIntegerColumn.connect("clicked", self._on_click_unit_column)
170 self._unitsView.append_column(self._unitIntegerColumn)
172 renderer = gtk.CellRendererText()
173 renderer.set_property("xalign", 0.0)
174 renderer.set_property("alignment", pango.ALIGN_LEFT)
175 renderer.set_property("scale", 0.75)
176 self._unitFractionalColumn = gtk.TreeViewColumn(_(''), renderer)
177 self._unitFractionalColumn.set_property('resizable', True)
178 self._unitFractionalColumn.add_attribute(renderer, 'text', self.UNITS_FRACTION_IDX)
179 self._unitFractionalColumn.set_clickable(True)
180 self._unitFractionalColumn.connect("clicked", self._on_click_unit_column)
181 self._unitsView.append_column(self._unitFractionalColumn)
183 renderer = gtk.CellRendererText()
184 renderer.set_property("ellipsize", pango.ELLIPSIZE_END)
185 #renderer.set_property("scale", 0.5)
186 self._unitSymbolColumn = gtk.TreeViewColumn(_('Units'), renderer)
187 self._unitSymbolColumn.set_property('resizable', True)
188 self._unitSymbolColumn.add_attribute(renderer, 'text', self.UNITS_SYMBOL_IDX)
189 self._unitSymbolColumn.set_clickable(True)
190 self._unitSymbolColumn.connect("clicked", self._on_click_unit_column)
191 self._unitsView.append_column(self._unitSymbolColumn)
193 self._unitModel = gtk.ListStore(
194 gobject.TYPE_STRING, # UNITS_NAME_IDX
195 gobject.TYPE_STRING, # UNITS_VALUE_IDX
196 gobject.TYPE_STRING, # UNITS_SYMBOL_IDX
197 gobject.TYPE_STRING, # UNITS_INTEGER_IDX
198 gobject.TYPE_STRING, # UNITS_FRACTION_IDX
200 self._sortedUnitModel = gtk.TreeModelSort(self._unitModel)
201 columns = self._get_column_sort_stuff()
202 for columnIndex, (column, sortDirection, col_cmp) in enumerate(columns):
203 self._sortedUnitModel.set_sort_func(columnIndex, col_cmp)
204 self._unitsView.set_model(self._sortedUnitModel)
206 #Insert a column into the category list even though the heading will not be seen
207 renderer = gtk.CellRendererText()
208 self._categoryColumn = gtk.TreeViewColumn('Title', renderer)
209 self._categoryColumn.set_property('resizable', 1)
210 self._categoryColumn.add_attribute(renderer, 'text', 0)
211 self._categoryView.append_column(self._categoryColumn)
213 self._categoryModel = gtk.ListStore(gobject.TYPE_STRING)
214 self._categoryView.set_model(self._categoryModel)
215 #colourize each row differently for easier reading
216 self._categoryView.set_property('rules_hint', 1)
218 #Populate the catagories list
219 for key in unit_data.UNIT_CATEGORIES:
221 self._categoryModel.append(row)
223 #--------- connections to GUI ----------------
224 self._mainWindow.connect("delete-event", self._on_user_exit)
225 self._mainWindow.connect("key-press-event", self._on_key_press)
226 self._mainWindow.connect("window-state-event", self._on_window_state_change)
227 self._categorySelectionButton.connect("clicked", self._on_category_selector_clicked)
228 self._categoryView.connect("cursor-changed", self._on_click_category)
229 self._findButton.connect("clicked", self._on_find_activate)
230 self._findEntry.connect("activate", self._on_find_activate)
231 self._findEntry.connect("changed", self._on_findEntry_changed)
232 self._previousUnitValue.connect("changed", self._on_previous_unit_value_changed)
233 self._unitValue.connect("changed", self._on_unit_value_changed)
234 self._unitsView.connect("cursor-changed", self._on_click_unit)
235 if hildonize.GTK_MENU_USED:
236 widgets.get_widget("aboutMenuItem").connect("activate", self._on_about_clicked)
237 widgets.get_widget("exitMenuItem").connect("activate", self._on_user_exit)
239 for scrollingWidgetName in (
240 "unitsViewScrolledWindow",
242 scrollingWidget = widgets.get_widget(scrollingWidgetName)
243 assert scrollingWidget is not None, scrollingWidgetName
244 hildonize.hildonize_scrollwindow_with_viewport(scrollingWidget)
246 if hildonize.IS_HILDON_SUPPORTED or FORCE_HILDON_LIKE:
247 self._categoryView.get_parent().hide()
248 self._unitsView.set_headers_visible(False)
249 self._previousUnitName.get_parent().hide()
250 self._unitDescription.get_parent().get_parent().hide()
252 self._categorySelectionButton.hide()
254 replacementButtons = []
255 menu = hildonize.hildonize_menu(
257 widgets.get_widget("mainMenuBar"),
261 if not hildonize.IS_HILDON_SUPPORTED:
262 _moduleLogger.info("No hildonization support")
264 hildonize.set_application_title(
265 self._mainWindow, "%s - Unit Conversion Utility" % constants.__pretty_app_name__
267 iconPath = pixmapspath + '/gonvert.png'
268 if os.path.exists(iconPath):
269 self._mainWindow.set_icon(gtk.gdk.pixbuf_new_from_file(iconPath))
271 _moduleLogger.warn("Error: Could not find gonvert icon: %s" % iconPath)
273 self._load_settings()
274 self._mainWindow.show()
276 def _load_settings(self):
277 #Restore window size from previously saved settings if it exists and is valid.
278 windowDatPath = "/".join((constants._data_path_, "window.dat"))
279 if os.path.exists(windowDatPath):
280 saved_window = pickle.load(open(windowDatPath, "r"))
282 a, b = saved_window['size']
286 self._mainWindow.resize(a, b)
288 #Restore selections from previously saved settings if it exists and is valid.
290 selectedCategoryName = unit_data.UNIT_CATEGORIES[0]
291 selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
292 if os.path.exists(selectionsDatPath):
293 selections = pickle.load(open(selectionsDatPath, 'r'))
295 self._defaultUnitForCategory = selections['selected_units']
300 selectedCategoryName = selections['selected_category']
305 categoryIndex = unit_data.UNIT_CATEGORIES.index(selectedCategoryName)
307 _moduleLogger.warn("Unknown category: %s" % selectedCategoryName)
309 self._categorySelectionButton.get_child().set_markup("<big>%s</big>" % selectedCategoryName)
310 self._categoryView.set_cursor(categoryIndex, self._categoryColumn, False)
311 self._categoryView.grab_focus()
313 self._select_default_unit()
315 def _save_settings(self):
317 This routine saves the selections to a file, and
318 should therefore only be called when exiting the program.
320 Update selections dictionary which consists of the following keys:
321 'self._selectedCategoryName': full name of selected category
322 'self._defaultUnitForCategory': self._defaultUnitForCategory dictionary which contains:
323 [categoryname: #1 displayed unit, #2 displayed unit]
325 #Determine the contents of the selected category row
326 selected, iter = self._categoryView.get_selection().get_selected()
327 self._selectedCategoryName = self._categoryModel.get_value(iter, 0)
330 'selected_category': self._selectedCategoryName,
331 'selected_units': self._defaultUnitForCategory
333 selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
334 pickle.dump(selections, open(selectionsDatPath, 'w'))
336 #Get last size of app and save it
338 'size': self._mainWindow.get_size()
340 windowDatPath = "/".join((constants._data_path_, "window.dat"))
341 pickle.dump(window_settings, open(windowDatPath, 'w'))
343 def _clear_find(self):
344 # switch to "new find" state
345 self._find_result = []
348 # Clear our user message
349 self._findLabel.set_text('')
351 def _find_first(self):
352 assert len(self._find_result) == 0
353 assert self._findIndex == 0
354 findString = self._findEntry.get_text().strip().lower()
358 # Gather info on all the matching units from all categories
359 for catIndex, category in enumerate(unit_data.UNIT_CATEGORIES):
360 units = unit_data.get_units(category)
361 for unitIndex, unit in enumerate(units):
362 loweredUnit = unit.lower()
363 if loweredUnit in findString or findString in loweredUnit:
364 self._find_result.append((category, unit, catIndex, unitIndex))
366 def _update_find_selection(self):
367 assert 0 < len(self._find_result)
369 #check if next find is in a new category (prevent category changes when unnecessary
370 searchCategoryName = self._find_result[self._findIndex][0]
371 if self._selectedCategoryName != searchCategoryName:
372 self._categorySelectionButton.get_child().set_markup("<big>%s</big>" % searchCategoryName)
373 self._categoryView.set_cursor(
374 self._find_result[self._findIndex][2], self._categoryColumn, False
377 self._unitsView.set_cursor(
378 self._find_result[self._findIndex][3], self._unitNameColumn, True
381 def _find_next(self):
382 if len(self._find_result) == 0:
385 if self._findIndex == len(self._find_result)-1:
390 if not self._find_result:
391 self._findLabel.set_text('Text not found')
393 self._update_find_selection()
394 resultsLeft = len(self._find_result) - self._findIndex - 1
395 self._findLabel.set_text(
396 '%s result(s) left' % (resultsLeft, )
399 def _find_previous(self):
400 if len(self._find_result) == 0:
403 if self._findIndex == 0:
404 self._findIndex = len(self._find_result)-1
408 if not self._find_result:
409 self._findLabel.set_text('Text not found')
411 self._update_find_selection()
412 resultsLeft = len(self._find_result) - self._findIndex - 1
413 self._findLabel.set_text(
414 '%s result(s) left' % (resultsLeft, )
417 def _toggle_find(self):
418 if self._searchLayout.get_property("visible"):
419 self._searchLayout.hide()
420 self._unitsView.grab_focus()
422 self._searchLayout.show()
423 self._findEntry.grab_focus()
425 def _unit_model_cmp(self, sortedModel, leftItr, rightItr):
426 leftUnitText = self._unitModel.get_value(leftItr, self.UNITS_NAME_IDX)
427 rightUnitText = self._unitModel.get_value(rightItr, self.UNITS_NAME_IDX)
428 return cmp(leftUnitText, rightUnitText)
430 def _symbol_model_cmp(self, sortedModel, leftItr, rightItr):
431 leftSymbolText = self._unitModel.get_value(leftItr, self.UNITS_SYMBOL_IDX)
432 rightSymbolText = self._unitModel.get_value(rightItr, self.UNITS_SYMBOL_IDX)
433 return cmp(leftSymbolText, rightSymbolText)
435 def _value_model_cmp(self, sortedModel, leftItr, rightItr):
436 #special sorting exceptions for ascii values (instead of float values)
437 if self._selectedCategoryName == "Computer Numbers":
438 leftValue = self._unitModel.get_value(leftItr, self.UNITS_VALUE_IDX)
439 rightValue = self._unitModel.get_value(rightItr, self.UNITS_VALUE_IDX)
441 leftValueText = self._unitModel.get_value(leftItr, self.UNITS_VALUE_IDX)
442 leftValue = float(leftValueText) if leftValueText else 0.0
444 rightValueText = self._unitModel.get_value(rightItr, self.UNITS_VALUE_IDX)
445 rightValue = float(rightValueText) if rightValueText else 0.0
446 return cmp(leftValue, rightValue)
448 def _get_column_sort_stuff(self):
450 (self._unitNameColumn, "_unit_sort_direction", self._unit_model_cmp),
451 (self._unitIntegerColumn, "_value_sort_direction", self._value_model_cmp),
452 (self._unitFractionalColumn, "_value_sort_direction", self._value_model_cmp),
453 (self._unitSymbolColumn, "_units_sort_direction", self._symbol_model_cmp),
457 def _switch_category(self, category):
458 self._selectedCategoryName = category
459 self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[self._selectedCategoryName]
461 #Fill up the units descriptions and clear the value cells
462 self._clear_visible_unit_data()
464 for key in unit_data.get_units(self._selectedCategoryName):
465 row = key, '0.0', self._unitDataInCategory[key][1], '0.', '0'
466 self._unitModel.append(row)
467 nameLength = max(nameLength, len(key))
468 self._sortedUnitModel.sort_column_changed()
469 self._unitsNameRenderer.set_property("width-chars", int(nameLength * 0.75))
471 self._select_default_unit()
473 def _clear_visible_unit_data(self):
474 self._unitDescription.get_buffer().set_text("")
475 self._unitName.set_text('')
476 self._unitValue.set_text('')
477 self._unitSymbol.set_text('')
479 self._previousUnitName.set_text('')
480 self._previousUnitValue.set_text('')
481 self._previousUnitSymbol.set_text('')
483 self._unitModel.clear()
485 def _select_default_unit(self):
486 # Restore the previous historical settings of previously selected units
487 # in this newly selected category
488 defaultPrimary = unit_data.get_base_unit(self._selectedCategoryName)
489 defaultSecondary = ""
490 if self._selectedCategoryName in self._defaultUnitForCategory:
491 if self._defaultUnitForCategory[self._selectedCategoryName][0]:
492 defaultPrimary = self._defaultUnitForCategory[self._selectedCategoryName][0]
493 if self._defaultUnitForCategory[self._selectedCategoryName][1]:
494 defaultSecondary = self._defaultUnitForCategory[self._selectedCategoryName][1]
496 units = unit_data.get_units(self._selectedCategoryName)
498 #Restore oldest selection first.
501 unitIndex = units.index(defaultPrimary)
504 self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
506 #Restore newest selection second.
509 unitIndex = units.index(defaultSecondary)
512 self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
514 # select the text so user can start typing right away
515 self._unitValue.grab_focus()
516 self._unitValue.select_region(0, -1)
518 def _sanitize_value(self, userEntry):
519 if self._selectedCategoryName == "Computer Numbers":
528 value = float(userEntry)
531 def _on_key_press(self, widget, event, *args):
533 @note Hildon specific
535 RETURN_TYPES = (gtk.keysyms.Return, gtk.keysyms.ISO_Enter, gtk.keysyms.KP_Enter)
538 event.keyval == gtk.keysyms.F6 or
539 event.keyval in RETURN_TYPES and event.get_state() & gtk.gdk.CONTROL_MASK
541 if self._isFullScreen:
542 self._mainWindow.unfullscreen()
544 self._mainWindow.fullscreen()
545 elif event.keyval == gtk.keysyms.f and event.get_state() & gtk.gdk.CONTROL_MASK:
547 elif event.keyval == gtk.keysyms.p and event.get_state() & gtk.gdk.CONTROL_MASK:
548 self._find_previous()
549 elif event.keyval == gtk.keysyms.n and event.get_state() & gtk.gdk.CONTROL_MASK:
552 _moduleLogger.exception("_on_key_press")
554 def _on_window_state_change(self, widget, event, *args):
556 @note Hildon specific
559 if event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN:
560 self._isFullScreen = True
562 self._isFullScreen = False
564 _moduleLogger.exception("_on_window_state_change")
566 def _on_findEntry_changed(self, *args):
568 Clear out find results since the user wants to look for something new
573 _moduleLogger.exception("_on_findEntry_changed")
575 def _on_find_activate(self, *args):
578 self._findButton.grab_focus()
580 _moduleLogger.exception("_on_find_activate")
582 def _on_click_unit_column(self, col):
584 Sort the contents of the col when the user clicks on the title.
587 #Determine which column requires sorting
588 columns = self._get_column_sort_stuff()
589 for columnIndex, (maybeCol, directionName, col_cmp) in enumerate(columns):
591 direction = getattr(self, directionName)
592 gtkDirection = gtk.SORT_ASCENDING if direction else gtk.SORT_DESCENDING
595 self._sortedUnitModel.set_sort_column_id(columnIndex, gtkDirection)
597 # set the visual for sorting
598 col.set_sort_indicator(True)
599 col.set_sort_order(not direction)
601 setattr(self, directionName, not direction)
604 maybeCol.set_sort_indicator(False)
606 assert False, "Unknown column: %s" % (col.get_title(), )
608 _moduleLogger.exception("_on_click_unit_column")
610 def _on_category_selector_clicked(self, *args):
612 currenntIndex = unit_data.UNIT_CATEGORIES.index(self._selectedCategoryName)
613 newIndex = hildonize.touch_selector(
616 unit_data.UNIT_CATEGORIES,
620 selectedCategoryName = unit_data.UNIT_CATEGORIES[newIndex]
621 self._categorySelectionButton.set_label(selectedCategoryName)
622 self._categoryView.set_cursor(newIndex, self._categoryColumn, False)
623 self._categoryView.grab_focus()
625 _moduleLogger.exception("_on_category_selector_clicked")
627 def _on_click_category(self, *args):
629 selected, iter = self._categoryView.get_selection().get_selected()
631 # User is typing in an invalid string, not selecting any category
633 selectedCategory = self._categoryModel.get_value(iter, 0)
634 self._switch_category(selectedCategory)
636 _moduleLogger.exception("_on_click_category")
638 def _on_click_unit(self, *args):
640 selected, iter = self._unitsView.get_selection().get_selected()
641 selected_unit = selected.get_value(iter, self.UNITS_NAME_IDX)
642 unit_spec = self._unitDataInCategory[selected_unit]
646 if self._unitName.get_text() != selected_unit:
647 self._previousUnitName.set_text(self._unitName.get_text())
648 self._previousUnitValue.set_text(self._unitValue.get_text())
649 self._previousUnitSymbol.set_text(self._unitSymbol.get_text())
650 if self._unitSymbol.get_text():
653 self._unitName.set_text(selected_unit)
654 self._unitValue.set_text(selected.get_value(iter, self.UNITS_VALUE_IDX))
655 buffer = self._unitDescription.get_buffer()
656 buffer.set_text(unit_spec[2])
657 self._unitSymbol.set_text(unit_spec[1]) # put units into label text
664 self._unitSymbol.show()
665 self._previousUnitSymbol.show()
667 self._unitSymbol.hide()
668 self._previousUnitSymbol.hide()
670 if self._unitValue.get_text() == '':
671 if self._selectedCategoryName == "Computer Numbers":
672 self._unitValue.set_text("0")
674 self._unitValue.set_text("0.0")
676 self._defaultUnitForCategory[self._selectedCategoryName] = [
677 self._unitName.get_text(), self._previousUnitName.get_text()
680 # select the text so user can start typing right away
681 self._unitValue.grab_focus()
682 self._unitValue.select_region(0, -1)
684 _moduleLogger.exception("_on_click_unit")
686 def _on_unit_value_changed(self, *args):
688 if self._unitName.get_text() == '':
690 if not self._unitValue.is_focus():
693 #retrieve the conversion function and value from the selected unit
694 value = self._sanitize_value(self._unitValue.get_text())
695 func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
696 base = func.to_base(value, arg)
698 #point to the first row
699 for row in self._unitModel:
700 func, arg = self._unitDataInCategory[row[self.UNITS_NAME_IDX]][0]
701 newValue = func.from_base(base, arg)
703 newValueDisplay = str(newValue)
704 integerDisplay, fractionalDisplay = split_number(newValue)
706 row[self.UNITS_VALUE_IDX] = newValueDisplay
707 row[self.UNITS_INTEGER_IDX] = integerDisplay
708 row[self.UNITS_FRACTION_IDX] = fractionalDisplay
710 # Update the secondary unit entry
711 if self._previousUnitName.get_text() != '':
712 func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
713 self._previousUnitValue.set_text(str(func.from_base(base, arg, )))
715 self._sortedUnitModel.sort_column_changed()
717 _moduleLogger.exception("_on_unit_value_changed")
719 def _on_previous_unit_value_changed(self, *args):
721 if self._previousUnitName.get_text() == '':
723 if not self._previousUnitValue.is_focus():
726 #retrieve the conversion function and value from the selected unit
727 value = self._sanitize_value(self._previousUnitValue.get_text())
728 func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
729 base = func.to_base(value, arg)
731 #point to the first row
732 for row in self._unitModel:
733 func, arg = self._unitDataInCategory[row[self.UNITS_NAME_IDX]][0]
734 newValue = func.from_base(base, arg)
736 newValueDisplay = str(newValue)
737 integerDisplay, fractionalDisplay = split_number(newValue)
739 row[self.UNITS_VALUE_IDX] = newValueDisplay
740 row[self.UNITS_INTEGER_IDX] = integerDisplay
741 row[self.UNITS_FRACTION_IDX] = fractionalDisplay
743 # Update the primary unit entry
744 func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
745 self._unitValue.set_text(str(func.from_base(base, arg, )))
747 self._sortedUnitModel.sort_column_changed()
749 _moduleLogger.exception("_on_previous_unit_value_changed")
751 def _on_about_clicked(self, a):
752 dlg = gtk.AboutDialog()
753 dlg.set_name(constants.__pretty_app_name__)
754 dlg.set_version("%s-%d" % (constants.__version__, constants.__build__))
755 dlg.set_copyright("Copyright 2009 - GPL")
757 dlg.set_website("http://unihedron.com/projects/gonvert/gonvert.php")
758 dlg.set_authors(["Anthony Tekatch <anthony@unihedron.com>", "Ed Page <edpage@byu.net>"])
762 def _on_user_exit(self, *args):
764 self._save_settings()
766 _moduleLogger.exception("_on_user_exit")
772 gtk.gdk.threads_init()
773 if hildonize.IS_HILDON_SUPPORTED:
774 gtk.set_application_name(constants.__pretty_app_name__)
776 if not PROFILE_STARTUP:
780 if __name__ == "__main__":
781 logging.basicConfig(level = logging.DEBUG)
783 os.makedirs(constants._data_path_)