5 @todo Look into using two columns for displaying the value, split by the
6 decimal place. The left one would be right aligned and the right would be left
7 aligned (only if not in exponential notation
8 OR display everything in engineering notation
10 @tood Add a unit description dialog for when hildonized
12 @todo Add support for custom units
14 @todo Add support for compound units
41 _moduleLogger = logging.getLogger("gonvert_glade")
42 PROFILE_STARTUP = False
43 FORCE_HILDON_LIKE = False
45 if gettext is not None:
46 gettext.bindtextdomain('gonvert', '/usr/share/locale')
47 gettext.textdomain('gonvert')
50 def change_menu_label(widgets, labelname, newtext):
51 item_label = widgets.get_widget(labelname).get_children()[0]
52 item_label.set_text(newtext)
55 def split_number(number):
57 fractional, integer = math.modf(number)
59 integerDisplay = number
60 fractionalDisplay = ""
62 integerDisplay = str(integer)
63 fractionalDisplay = str(fractional)
64 if "e+" in integerDisplay:
65 integerDisplay = number
66 fractionalDisplay = ""
67 elif "e-" in fractionalDisplay and 0.0 < integer:
68 integerDisplay = number
69 fractionalDisplay = ""
70 elif "e-" in fractionalDisplay:
72 fractionalDisplay = number
74 integerDisplay = integerDisplay.split(".", 1)[0] + "."
75 fractionalDisplay = fractionalDisplay.rsplit(".", 1)[-1]
77 return integerDisplay, fractionalDisplay
80 class Gonvert(object):
83 os.path.join(os.path.dirname(__file__), "gonvert.glade"),
84 os.path.join(os.path.dirname(__file__), "../data/gonvert.glade"),
85 os.path.join(os.path.dirname(__file__), "../lib/gonvert.glade"),
86 '/usr/share/gonvert/gonvert.glade',
87 '/usr/lib/gonvert/gonvert.glade',
94 UNITS_FRACTION_IDX = 4
97 self._unitDataInCategory = None
98 self._unit_sort_direction = False
99 self._value_sort_direction = False
100 self._units_sort_direction = False
101 self._isFullScreen = False
103 self._find_result = [] # empty find result list
104 self._findIndex = 0 # default to find result number zero
106 self._selectedCategoryName = '' # preset to no selected category
107 self._defaultUnitForCategory = {} # empty dictionary for later use
109 #check to see if glade file is in current directory (user must be
110 # running from download untar directory)
111 for gladePath in self._glade_files:
112 if os.path.isfile(gladePath):
113 homepath = os.path.dirname(gladePath)
114 pixmapspath = "/".join((homepath, "pixmaps"))
115 widgets = gtk.glade.XML(gladePath)
118 _moduleLogger.error("UI Descriptor not found!")
122 self._mainWindow = widgets.get_widget('mainWindow')
123 self._app = hildonize.get_app_class()()
124 self._mainWindow = hildonize.hildonize_window(self._app, self._mainWindow)
126 change_menu_label(widgets, 'fileMenuItem', _('File'))
127 change_menu_label(widgets, 'exitMenuItem', _('Exit'))
128 change_menu_label(widgets, 'toolsMenuItem', _('Tools'))
129 change_menu_label(widgets, 'clearSelectionMenuItem', _('Clear selections'))
130 change_menu_label(widgets, 'helpMenuItem', _('Help'))
131 change_menu_label(widgets, 'aboutMenuItem', _('About'))
132 change_menu_label(widgets, 'findButton', _('Find'))
134 self._shortlistcheck = widgets.get_widget('shortlistcheck')
135 self._toggleShortList = widgets.get_widget('toggleShortList')
137 self._categorySelectionButton = widgets.get_widget("categorySelectionButton")
138 self._categoryView = widgets.get_widget('categoryView')
140 self._unitsView = widgets.get_widget('unitsView')
141 self._unitsView.set_property('rules_hint', 1)
142 self._unitsView_selection = self._unitsView.get_selection()
144 self._unitName = widgets.get_widget('unitName')
145 self._unitValue = widgets.get_widget('unitValue')
146 self._previousUnitName = widgets.get_widget('previousUnitName')
147 self._previousUnitValue = widgets.get_widget('previousUnitValue')
149 self._unitSymbol = widgets.get_widget('unitSymbol')
150 self._previousUnitSymbol = widgets.get_widget('previousUnitSymbol')
152 self._unitDescription = widgets.get_widget('unitDescription')
154 self._searchLayout = widgets.get_widget('searchLayout')
155 self._searchLayout.hide()
156 self._findEntry = widgets.get_widget('findEntry')
157 self._findLabel = widgets.get_widget('findLabel')
158 self._findButton = widgets.get_widget('findButton')
160 #insert a self._categoryColumnumn into the units list even though the heading will not be seen
161 renderer = gtk.CellRendererText()
162 renderer.set_property("ellipsize", pango.ELLIPSIZE_END)
163 renderer.set_property("width-chars", len("grams per cubic cm plus some"))
164 self._unitNameColumn = gtk.TreeViewColumn(_('Name'), renderer)
165 self._unitNameColumn.set_property('resizable', True)
166 self._unitNameColumn.add_attribute(renderer, 'text', self.UNITS_NAME_IDX)
167 self._unitNameColumn.set_clickable(True)
168 self._unitNameColumn.connect("clicked", self._on_click_unit_column)
169 self._unitsView.append_column(self._unitNameColumn)
171 renderer = gtk.CellRendererText()
172 renderer.set_property("xalign", 1.0)
173 renderer.set_property("alignment", pango.ALIGN_RIGHT)
174 hildonize.set_cell_thumb_selectable(renderer)
175 self._unitIntegerColumn = gtk.TreeViewColumn(_('Value'), renderer)
176 self._unitIntegerColumn.set_property('resizable', True)
177 self._unitIntegerColumn.add_attribute(renderer, 'text', self.UNITS_INTEGER_IDX)
178 self._unitIntegerColumn.set_clickable(True)
179 self._unitIntegerColumn.connect("clicked", self._on_click_unit_column)
180 self._unitsView.append_column(self._unitIntegerColumn)
182 renderer = gtk.CellRendererText()
183 renderer.set_property("xalign", 0.0)
184 renderer.set_property("alignment", pango.ALIGN_LEFT)
185 self._unitFractionalColumn = gtk.TreeViewColumn(_(''), renderer)
186 self._unitFractionalColumn.set_property('resizable', True)
187 self._unitFractionalColumn.add_attribute(renderer, 'text', self.UNITS_FRACTION_IDX)
188 self._unitFractionalColumn.set_clickable(True)
189 self._unitFractionalColumn.connect("clicked", self._on_click_unit_column)
190 self._unitsView.append_column(self._unitFractionalColumn)
192 renderer = gtk.CellRendererText()
193 renderer.set_property("ellipsize", pango.ELLIPSIZE_END)
194 renderer.set_property("width-chars", len("G ohm plus some"))
195 self._unitSymbolColumn = gtk.TreeViewColumn(_('Units'), renderer)
196 self._unitSymbolColumn.set_property('resizable', True)
197 self._unitSymbolColumn.add_attribute(renderer, 'text', self.UNITS_SYMBOL_IDX)
198 self._unitSymbolColumn.set_clickable(True)
199 self._unitSymbolColumn.connect("clicked", self._on_click_unit_column)
200 self._unitsView.append_column(self._unitSymbolColumn)
202 self._unitModel = gtk.ListStore(
203 gobject.TYPE_STRING, # UNITS_NAME_IDX
204 gobject.TYPE_STRING, # UNITS_VALUE_IDX
205 gobject.TYPE_STRING, # UNITS_SYMBOL_IDX
206 gobject.TYPE_STRING, # UNITS_INTEGER_IDX
207 gobject.TYPE_STRING, # UNITS_FRACTION_IDX
209 self._sortedUnitModel = gtk.TreeModelSort(self._unitModel)
210 columns = self._get_column_sort_stuff()
211 for columnIndex, (column, sortDirection, col_cmp) in enumerate(columns):
212 self._sortedUnitModel.set_sort_func(columnIndex, col_cmp)
213 self._unitsView.set_model(self._sortedUnitModel)
215 #Insert a column into the category list even though the heading will not be seen
216 renderer = gtk.CellRendererText()
217 self._categoryColumn = gtk.TreeViewColumn('Title', renderer)
218 self._categoryColumn.set_property('resizable', 1)
219 self._categoryColumn.add_attribute(renderer, 'text', 0)
220 self._categoryView.append_column(self._categoryColumn)
222 self._categoryModel = gtk.ListStore(gobject.TYPE_STRING)
223 self._categoryView.set_model(self._categoryModel)
224 #colourize each row differently for easier reading
225 self._categoryView.set_property('rules_hint', 1)
227 #Populate the catagories list
228 for key in unit_data.UNIT_CATEGORIES:
230 self._categoryModel.append(row)
232 #--------- connections to GUI ----------------
233 self._mainWindow.connect("delete-event", self._on_user_exit)
234 self._mainWindow.connect("key-press-event", self._on_key_press)
235 self._mainWindow.connect("window-state-event", self._on_window_state_change)
236 self._categorySelectionButton.connect("clicked", self._on_category_selector_clicked)
237 self._categoryView.connect("cursor-changed", self._on_click_category)
238 self._findButton.connect("clicked", self._on_find_activate)
239 self._findEntry.connect("activate", self._on_find_activate)
240 self._findEntry.connect("changed", self._on_findEntry_changed)
241 self._previousUnitValue.connect("changed", self._on_previous_unit_value_changed)
242 self._shortlistcheck.connect("toggled", self._on_shortlist_changed)
243 self._unitValue.connect("changed", self._on_unit_value_changed)
244 self._unitsView.connect("cursor-changed", self._on_click_unit)
245 if hildonize.GTK_MENU_USED:
246 widgets.get_widget("aboutMenuItem").connect("activate", self._on_about_clicked)
247 widgets.get_widget("clearSelectionMenuItem").connect("activate", self._on_user_clear_selections)
248 widgets.get_widget("editShortListMenuItem").connect("activate", self._on_edit_shortlist)
249 widgets.get_widget("exitMenuItem").connect("activate", self._on_user_exit)
251 for scrollingWidgetName in (
252 "unitsViewScrolledWindow",
254 scrollingWidget = widgets.get_widget(scrollingWidgetName)
255 assert scrollingWidget is not None, scrollingWidgetName
256 hildonize.hildonize_scrollwindow_with_viewport(scrollingWidget)
258 if hildonize.IS_HILDON_SUPPORTED or FORCE_HILDON_LIKE:
259 self._categoryView.get_parent().hide()
260 self._unitsView.set_headers_visible(False)
261 self._previousUnitName.get_parent().hide()
262 self._unitDescription.get_parent().get_parent().hide()
264 self._categorySelectionButton.hide()
266 replacementButtons = []
267 menu = hildonize.hildonize_menu(
269 widgets.get_widget("mainMenuBar"),
273 if not hildonize.IS_HILDON_SUPPORTED:
274 _moduleLogger.info("No hildonization support")
276 hildonize.set_application_title(
277 self._mainWindow, "%s - Unit Conversion Utility" % constants.__pretty_app_name__
279 iconPath = pixmapspath + '/gonvert.png'
280 if os.path.exists(iconPath):
281 self._mainWindow.set_icon(gtk.gdk.pixbuf_new_from_file(iconPath))
283 _moduleLogger.warn("Error: Could not find gonvert icon: %s" % iconPath)
285 self._load_settings()
286 self._mainWindow.show()
288 def _load_settings(self):
289 #Restore window size from previously saved settings if it exists and is valid.
290 windowDatPath = "/".join((constants._data_path_, "window.dat"))
291 if os.path.exists(windowDatPath):
292 saved_window = pickle.load(open(windowDatPath, "r"))
294 a, b = saved_window['size']
298 self._mainWindow.resize(a, b)
300 #Restore selections from previously saved settings if it exists and is valid.
302 selectedCategoryName = unit_data.UNIT_CATEGORIES[0]
303 selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
304 if os.path.exists(selectionsDatPath):
305 selections = pickle.load(open(selectionsDatPath, 'r'))
307 self._defaultUnitForCategory = selections['selected_units']
312 selectedCategoryName = selections['selected_category']
317 categoryIndex = unit_data.UNIT_CATEGORIES.index(selectedCategoryName)
319 _moduleLogger.warn("Unknown category: %s" % selectedCategoryName)
321 self._categorySelectionButton.get_child().set_markup("<big>%s</big>" % selectedCategoryName)
322 self._categoryView.set_cursor(categoryIndex, self._categoryColumn, False)
323 self._categoryView.grab_focus()
325 self._select_default_unit()
327 def _save_settings(self):
329 This routine saves the selections to a file, and
330 should therefore only be called when exiting the program.
332 Update selections dictionary which consists of the following keys:
333 'self._selectedCategoryName': full name of selected category
334 'self._defaultUnitForCategory': self._defaultUnitForCategory dictionary which contains:
335 [categoryname: #1 displayed unit, #2 displayed unit]
337 #Determine the contents of the selected category row
338 selected, iter = self._categoryView.get_selection().get_selected()
339 self._selectedCategoryName = self._categoryModel.get_value(iter, 0)
342 'selected_category': self._selectedCategoryName,
343 'selected_units': self._defaultUnitForCategory
345 selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
346 pickle.dump(selections, open(selectionsDatPath, 'w'))
348 #Get last size of app and save it
350 'size': self._mainWindow.get_size()
352 windowDatPath = "/".join((constants._data_path_, "window.dat"))
353 pickle.dump(window_settings, open(windowDatPath, 'w'))
355 def _clear_find(self):
356 # switch to "new find" state
357 self._find_result = []
360 # Clear our user message
361 self._findLabel.set_text('')
363 def _find_first(self):
364 assert len(self._find_result) == 0
365 assert self._findIndex == 0
366 findString = self._findEntry.get_text().strip().lower()
370 # Gather info on all the matching units from all categories
371 for catIndex, category in enumerate(unit_data.UNIT_CATEGORIES):
372 units = unit_data.get_units(category)
373 for unitIndex, unit in enumerate(units):
374 loweredUnit = unit.lower()
375 if loweredUnit in findString or findString in loweredUnit:
376 self._find_result.append((category, unit, catIndex, unitIndex))
378 def _update_find_selection(self):
379 assert 0 < len(self._find_result)
381 #check if next find is in a new category (prevent category changes when unnecessary
382 searchCategoryName = self._find_result[self._findIndex][0]
383 if self._selectedCategoryName != searchCategoryName:
384 self._categorySelectionButton.get_child().set_markup("<big>%s</big>" % searchCategoryName)
385 self._categoryView.set_cursor(
386 self._find_result[self._findIndex][2], self._categoryColumn, False
389 self._unitsView.set_cursor(
390 self._find_result[self._findIndex][3], self._unitNameColumn, True
393 def _find_next(self):
394 if len(self._find_result) == 0:
397 if self._findIndex == len(self._find_result)-1:
402 if not self._find_result:
403 self._findLabel.set_text('Text not found')
405 self._update_find_selection()
406 resultsLeft = len(self._find_result) - self._findIndex - 1
407 self._findLabel.set_text(
408 '%s result(s) left' % (resultsLeft, )
411 def _find_previous(self):
412 if len(self._find_result) == 0:
415 if self._findIndex == 0:
416 self._findIndex = len(self._find_result)-1
420 if not self._find_result:
421 self._findLabel.set_text('Text not found')
423 self._update_find_selection()
424 resultsLeft = len(self._find_result) - self._findIndex - 1
425 self._findLabel.set_text(
426 '%s result(s) left' % (resultsLeft, )
429 def _toggle_find(self):
430 if self._searchLayout.get_property("visible"):
431 self._searchLayout.hide()
432 self._unitsView.grab_focus()
434 self._searchLayout.show()
435 self._findEntry.grab_focus()
437 def _unit_model_cmp(self, sortedModel, leftItr, rightItr):
438 leftUnitText = self._unitModel.get_value(leftItr, self.UNITS_NAME_IDX)
439 rightUnitText = self._unitModel.get_value(rightItr, self.UNITS_NAME_IDX)
440 return cmp(leftUnitText, rightUnitText)
442 def _symbol_model_cmp(self, sortedModel, leftItr, rightItr):
443 leftSymbolText = self._unitModel.get_value(leftItr, self.UNITS_SYMBOL_IDX)
444 rightSymbolText = self._unitModel.get_value(rightItr, self.UNITS_SYMBOL_IDX)
445 return cmp(leftSymbolText, rightSymbolText)
447 def _value_model_cmp(self, sortedModel, leftItr, rightItr):
448 #special sorting exceptions for ascii values (instead of float values)
449 if self._selectedCategoryName == "Computer Numbers":
450 leftValue = self._unitModel.get_value(leftItr, self.UNITS_VALUE_IDX)
451 rightValue = self._unitModel.get_value(rightItr, self.UNITS_VALUE_IDX)
453 leftValueText = self._unitModel.get_value(leftItr, self.UNITS_VALUE_IDX)
454 leftValue = float(leftValueText) if leftValueText else 0.0
456 rightValueText = self._unitModel.get_value(rightItr, self.UNITS_VALUE_IDX)
457 rightValue = float(rightValueText) if rightValueText else 0.0
458 return cmp(leftValue, rightValue)
460 def _get_column_sort_stuff(self):
462 (self._unitNameColumn, "_unit_sort_direction", self._unit_model_cmp),
463 (self._unitIntegerColumn, "_value_sort_direction", self._value_model_cmp),
464 (self._unitFractionalColumn, "_value_sort_direction", self._value_model_cmp),
465 (self._unitSymbolColumn, "_units_sort_direction", self._symbol_model_cmp),
469 def _switch_category(self, category):
470 self._selectedCategoryName = category
471 self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[self._selectedCategoryName]
473 #Fill up the units descriptions and clear the value cells
474 self._clear_visible_unit_data()
475 for key in unit_data.get_units(self._selectedCategoryName):
476 row = key, '0.0', self._unitDataInCategory[key][1], '0.', '0'
477 self._unitModel.append(row)
478 self._sortedUnitModel.sort_column_changed()
480 self._select_default_unit()
482 def _clear_visible_unit_data(self):
483 self._unitDescription.get_buffer().set_text("")
484 self._unitName.set_text('')
485 self._unitValue.set_text('')
486 self._unitSymbol.set_text('')
488 self._previousUnitName.set_text('')
489 self._previousUnitValue.set_text('')
490 self._previousUnitSymbol.set_text('')
492 self._unitModel.clear()
494 def _select_default_unit(self):
495 # Restore the previous historical settings of previously selected units
496 # in this newly selected category
497 defaultPrimary = unit_data.get_base_unit(self._selectedCategoryName)
498 defaultSecondary = ""
499 if self._selectedCategoryName in self._defaultUnitForCategory:
500 if self._defaultUnitForCategory[self._selectedCategoryName][0]:
501 defaultPrimary = self._defaultUnitForCategory[self._selectedCategoryName][0]
502 if self._defaultUnitForCategory[self._selectedCategoryName][1]:
503 defaultSecondary = self._defaultUnitForCategory[self._selectedCategoryName][1]
505 units = unit_data.get_units(self._selectedCategoryName)
507 #Restore oldest selection first.
510 unitIndex = units.index(defaultPrimary)
513 self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
515 #Restore newest selection second.
518 unitIndex = units.index(defaultSecondary)
521 self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
523 # select the text so user can start typing right away
524 self._unitValue.grab_focus()
525 self._unitValue.select_region(0, -1)
527 def _sanitize_value(self, userEntry):
528 if self._selectedCategoryName == "Computer Numbers":
537 value = float(userEntry)
540 def _on_shortlist_changed(self, *args):
542 raise NotImplementedError("%s" % self._shortlistcheck.get_active())
544 _moduleLogger.exception("_on_shortlist_changed")
546 def _on_edit_shortlist(self, *args):
548 raise NotImplementedError("%s" % self._toggleShortList.get_active())
550 _moduleLogger.exception("_on_edit_shortlist")
552 def _on_user_clear_selections(self, *args):
554 selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
555 os.remove(selectionsDatPath)
556 self._defaultUnitForCategory = {}
558 _moduleLogger.exception("_on_user_clear_selections")
560 def _on_key_press(self, widget, event, *args):
562 @note Hildon specific
564 RETURN_TYPES = (gtk.keysyms.Return, gtk.keysyms.ISO_Enter, gtk.keysyms.KP_Enter)
567 event.keyval == gtk.keysyms.F6 or
568 event.keyval in RETURN_TYPES and event.get_state() & gtk.gdk.CONTROL_MASK
570 if self._isFullScreen:
571 self._mainWindow.unfullscreen()
573 self._mainWindow.fullscreen()
574 elif event.keyval == gtk.keysyms.f and event.get_state() & gtk.gdk.CONTROL_MASK:
576 elif event.keyval == gtk.keysyms.p and event.get_state() & gtk.gdk.CONTROL_MASK:
577 self._find_previous()
578 elif event.keyval == gtk.keysyms.n and event.get_state() & gtk.gdk.CONTROL_MASK:
581 _moduleLogger.exception("_on_key_press")
583 def _on_window_state_change(self, widget, event, *args):
585 @note Hildon specific
588 if event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN:
589 self._isFullScreen = True
591 self._isFullScreen = False
593 _moduleLogger.exception("_on_window_state_change")
595 def _on_findEntry_changed(self, *args):
597 Clear out find results since the user wants to look for something new
602 _moduleLogger.exception("_on_findEntry_changed")
604 def _on_find_activate(self, *args):
607 self._findButton.grab_focus()
609 _moduleLogger.exception("_on_find_activate")
611 def _on_click_unit_column(self, col):
613 Sort the contents of the col when the user clicks on the title.
616 #Determine which column requires sorting
617 columns = self._get_column_sort_stuff()
618 for columnIndex, (maybeCol, directionName, col_cmp) in enumerate(columns):
620 direction = getattr(self, directionName)
621 gtkDirection = gtk.SORT_ASCENDING if direction else gtk.SORT_DESCENDING
624 self._sortedUnitModel.set_sort_column_id(columnIndex, gtkDirection)
626 # set the visual for sorting
627 col.set_sort_indicator(True)
628 col.set_sort_order(not direction)
630 setattr(self, directionName, not direction)
633 maybeCol.set_sort_indicator(False)
635 assert False, "Unknown column: %s" % (col.get_title(), )
637 _moduleLogger.exception("_on_click_unit_column")
639 def _on_category_selector_clicked(self, *args):
641 currenntIndex = unit_data.UNIT_CATEGORIES.index(self._selectedCategoryName)
642 newIndex = hildonize.touch_selector(
645 unit_data.UNIT_CATEGORIES,
649 selectedCategoryName = unit_data.UNIT_CATEGORIES[newIndex]
650 self._categorySelectionButton.set_label(selectedCategoryName)
651 self._categoryView.set_cursor(newIndex, self._categoryColumn, False)
652 self._categoryView.grab_focus()
654 _moduleLogger.exception("_on_category_selector_clicked")
656 def _on_click_category(self, *args):
658 selected, iter = self._categoryView.get_selection().get_selected()
660 # User is typing in an invalid string, not selecting any category
662 selectedCategory = self._categoryModel.get_value(iter, 0)
663 self._switch_category(selectedCategory)
665 _moduleLogger.exception("_on_click_category")
667 def _on_click_unit(self, *args):
669 selected, iter = self._unitsView.get_selection().get_selected()
670 selected_unit = selected.get_value(iter, self.UNITS_NAME_IDX)
671 unit_spec = self._unitDataInCategory[selected_unit]
675 if self._unitName.get_text() != selected_unit:
676 self._previousUnitName.set_text(self._unitName.get_text())
677 self._previousUnitValue.set_text(self._unitValue.get_text())
678 self._previousUnitSymbol.set_text(self._unitSymbol.get_text())
679 if self._unitSymbol.get_text():
682 self._unitName.set_text(selected_unit)
683 self._unitValue.set_text(selected.get_value(iter, self.UNITS_VALUE_IDX))
684 buffer = self._unitDescription.get_buffer()
685 buffer.set_text(unit_spec[2])
686 self._unitSymbol.set_text(unit_spec[1]) # put units into label text
693 self._unitSymbol.show()
694 self._previousUnitSymbol.show()
696 self._unitSymbol.hide()
697 self._previousUnitSymbol.hide()
699 if self._unitValue.get_text() == '':
700 if self._selectedCategoryName == "Computer Numbers":
701 self._unitValue.set_text("0")
703 self._unitValue.set_text("0.0")
705 self._defaultUnitForCategory[self._selectedCategoryName] = [
706 self._unitName.get_text(), self._previousUnitName.get_text()
709 # select the text so user can start typing right away
710 self._unitValue.grab_focus()
711 self._unitValue.select_region(0, -1)
713 _moduleLogger.exception("_on_click_unit")
715 def _on_unit_value_changed(self, *args):
717 if self._unitName.get_text() == '':
719 if not self._unitValue.is_focus():
722 #retrieve the conversion function and value from the selected unit
723 value = self._sanitize_value(self._unitValue.get_text())
724 func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
725 base = func.to_base(value, arg)
727 #point to the first row
728 for row in self._unitModel:
729 func, arg = self._unitDataInCategory[row[self.UNITS_NAME_IDX]][0]
730 newValue = func.from_base(base, arg)
732 newValueDisplay = str(newValue)
733 integerDisplay, fractionalDisplay = split_number(newValue)
735 row[self.UNITS_VALUE_IDX] = newValueDisplay
736 row[self.UNITS_INTEGER_IDX] = integerDisplay
737 row[self.UNITS_FRACTION_IDX] = fractionalDisplay
739 # Update the secondary unit entry
740 if self._previousUnitName.get_text() != '':
741 func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
742 self._previousUnitValue.set_text(str(func.from_base(base, arg, )))
744 self._sortedUnitModel.sort_column_changed()
746 _moduleLogger.exception("_on_unit_value_changed")
748 def _on_previous_unit_value_changed(self, *args):
750 if self._previousUnitName.get_text() == '':
752 if not self._previousUnitValue.is_focus():
755 #retrieve the conversion function and value from the selected unit
756 value = self._sanitize_value(self._previousUnitValue.get_text())
757 func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
758 base = func.to_base(value, arg)
760 #point to the first row
761 for row in self._unitModel:
762 func, arg = self._unitDataInCategory[row[self.UNITS_NAME_IDX]][0]
763 newValue = func.from_base(base, arg)
765 newValueDisplay = str(newValue)
766 integerDisplay, fractionalDisplay = split_number(newValue)
768 row[self.UNITS_VALUE_IDX] = newValueDisplay
769 row[self.UNITS_INTEGER_IDX] = integerDisplay
770 row[self.UNITS_FRACTION_IDX] = fractionalDisplay
772 # Update the primary unit entry
773 func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
774 self._unitValue.set_text(str(func.from_base(base, arg, )))
776 self._sortedUnitModel.sort_column_changed()
778 _moduleLogger.exception("_on_previous_unit_value_changed")
780 def _on_about_clicked(self, a):
781 dlg = gtk.AboutDialog()
782 dlg.set_name(constants.__pretty_app_name__)
783 dlg.set_version("%s-%d" % (constants.__version__, constants.__build__))
784 dlg.set_copyright("Copyright 2009 - GPL")
786 dlg.set_website("http://unihedron.com/projects/gonvert/gonvert.php")
787 dlg.set_authors(["Anthony Tekatch <anthony@unihedron.com>", "Ed Page <edpage@byu.net>"])
791 def _on_user_exit(self, *args):
793 self._save_settings()
795 _moduleLogger.exception("_on_user_exit")
801 gtk.gdk.threads_init()
802 if hildonize.IS_HILDON_SUPPORTED:
803 gtk.set_application_name(constants.__pretty_app_name__)
805 if not PROFILE_STARTUP:
809 if __name__ == "__main__":
810 logging.basicConfig(level = logging.DEBUG)
812 os.makedirs(constants._data_path_)