4 from __future__ import with_statement
31 _moduleLogger = logging.getLogger("gonvert_glade")
33 if gettext is not None:
34 gettext.bindtextdomain('gonvert', '/usr/share/locale')
35 gettext.textdomain('gonvert')
38 def change_menu_label(widgets, labelname, newtext):
39 item_label = widgets.get_widget(labelname).get_children()[0]
40 item_label.set_text(newtext)
43 def split_number(number):
45 fractional, integer = math.modf(number)
47 integerDisplay = number
48 fractionalDisplay = ""
50 integerDisplay = str(integer)
51 fractionalDisplay = str(fractional)
52 if "e+" in integerDisplay:
53 integerDisplay = number
54 fractionalDisplay = ""
55 elif "e-" in fractionalDisplay and 0.0 < integer:
56 integerDisplay = number
57 fractionalDisplay = ""
58 elif "e-" in fractionalDisplay:
60 fractionalDisplay = number
62 integerDisplay = integerDisplay.split(".", 1)[0] + "."
63 fractionalDisplay = fractionalDisplay.rsplit(".", 1)[-1]
65 return integerDisplay, fractionalDisplay
68 class Gonvert(object):
71 os.path.join(os.path.dirname(__file__), "gonvert.glade"),
72 os.path.join(os.path.dirname(__file__), "../data/gonvert.glade"),
73 os.path.join(os.path.dirname(__file__), "../lib/gonvert.glade"),
74 '/usr/share/gonvert/gonvert.glade',
75 '/usr/lib/gonvert/gonvert.glade',
82 UNITS_FRACTION_IDX = 4
85 self._unitDataInCategory = None
86 self._unit_sort_direction = False
87 self._value_sort_direction = False
88 self._units_sort_direction = False
89 self._isFullScreen = False
90 self._clipboard = gtk.clipboard_get()
92 self._find_result = [] # empty find result list
93 self._findIndex = 0 # default to find result number zero
95 self._selectedCategoryName = '' # preset to no selected category
96 self._defaultUnitForCategory = {} # empty dictionary for later use
98 #check to see if glade file is in current directory (user must be
99 # running from download untar directory)
100 for gladePath in self._glade_files:
101 if os.path.isfile(gladePath):
102 homepath = os.path.dirname(gladePath)
103 pixmapspath = "/".join((homepath, "pixmaps"))
104 widgets = gtk.glade.XML(gladePath)
107 _moduleLogger.error("UI Descriptor not found!")
111 self._mainWindow = widgets.get_widget('mainWindow')
112 self._app = hildonize.get_app_class()()
113 self._mainWindow = hildonize.hildonize_window(self._app, self._mainWindow)
115 change_menu_label(widgets, 'fileMenuItem', _('File'))
116 change_menu_label(widgets, 'exitMenuItem', _('Exit'))
117 change_menu_label(widgets, 'helpMenuItem', _('Help'))
118 change_menu_label(widgets, 'aboutMenuItem', _('About'))
119 change_menu_label(widgets, 'findButton', _('Find'))
121 self._categorySelectionButton = widgets.get_widget("categorySelectionButton")
122 self._categoryView = widgets.get_widget('categoryView')
124 self._unitsView = widgets.get_widget('unitsView')
125 self._unitsView.set_property('rules_hint', 1)
126 self._unitsView_selection = self._unitsView.get_selection()
128 self._unitName = widgets.get_widget('unitName')
129 self._unitValue = widgets.get_widget('unitValue')
130 self._previousUnitName = widgets.get_widget('previousUnitName')
131 self._previousUnitValue = widgets.get_widget('previousUnitValue')
133 self._unitSymbol = widgets.get_widget('unitSymbol')
134 self._previousUnitSymbol = widgets.get_widget('previousUnitSymbol')
136 self._unitDescription = widgets.get_widget('unitDescription')
138 self._searchLayout = widgets.get_widget('searchLayout')
139 self._searchLayout.hide()
140 self._findEntry = widgets.get_widget('findEntry')
141 self._findLabel = widgets.get_widget('findLabel')
142 self._findButton = widgets.get_widget('findButton')
144 self._unitsNameRenderer = gtk.CellRendererText()
145 self._unitsNameRenderer.set_property("scale", 0.75)
146 if constants.FORCE_HILDON_LIKE:
147 self._unitsNameRenderer.set_property("ellipsize", pango.ELLIPSIZE_END)
148 self._unitsNameRenderer.set_property("width-chars", 5)
149 self._unitNameColumn = gtk.TreeViewColumn(_('Name'), self._unitsNameRenderer)
150 self._unitNameColumn.set_property('resizable', True)
151 self._unitNameColumn.add_attribute(self._unitsNameRenderer, 'text', self.UNITS_NAME_IDX)
152 self._unitNameColumn.set_clickable(True)
153 self._unitNameColumn.connect("clicked", self._on_click_unit_column)
154 self._unitsView.append_column(self._unitNameColumn)
156 renderer = gtk.CellRendererText()
157 renderer.set_property("xalign", 1.0)
158 renderer.set_property("alignment", pango.ALIGN_RIGHT)
159 hildonize.set_cell_thumb_selectable(renderer)
160 self._unitIntegerColumn = gtk.TreeViewColumn(_('Value'), renderer)
161 self._unitIntegerColumn.set_property('resizable', True)
162 self._unitIntegerColumn.add_attribute(renderer, 'text', self.UNITS_INTEGER_IDX)
163 self._unitIntegerColumn.set_clickable(True)
164 self._unitIntegerColumn.connect("clicked", self._on_click_unit_column)
165 self._unitsView.append_column(self._unitIntegerColumn)
167 renderer = gtk.CellRendererText()
168 renderer.set_property("xalign", 0.0)
169 renderer.set_property("alignment", pango.ALIGN_LEFT)
170 renderer.set_property("scale", 0.75)
171 self._unitFractionalColumn = gtk.TreeViewColumn(_(''), renderer)
172 self._unitFractionalColumn.set_property('resizable', True)
173 self._unitFractionalColumn.add_attribute(renderer, 'text', self.UNITS_FRACTION_IDX)
174 self._unitFractionalColumn.set_clickable(True)
175 self._unitFractionalColumn.connect("clicked", self._on_click_unit_column)
176 self._unitsView.append_column(self._unitFractionalColumn)
178 renderer = gtk.CellRendererText()
179 renderer.set_property("ellipsize", pango.ELLIPSIZE_END)
180 #renderer.set_property("scale", 0.5)
181 self._unitSymbolColumn = gtk.TreeViewColumn(_('Units'), renderer)
182 self._unitSymbolColumn.set_property('resizable', True)
183 self._unitSymbolColumn.add_attribute(renderer, 'text', self.UNITS_SYMBOL_IDX)
184 self._unitSymbolColumn.set_clickable(True)
185 self._unitSymbolColumn.connect("clicked", self._on_click_unit_column)
186 self._unitsView.append_column(self._unitSymbolColumn)
188 self._unitModel = gtk.ListStore(
189 gobject.TYPE_STRING, # UNITS_NAME_IDX
190 gobject.TYPE_STRING, # UNITS_VALUE_IDX
191 gobject.TYPE_STRING, # UNITS_SYMBOL_IDX
192 gobject.TYPE_STRING, # UNITS_INTEGER_IDX
193 gobject.TYPE_STRING, # UNITS_FRACTION_IDX
195 self._sortedUnitModel = gtk.TreeModelSort(self._unitModel)
196 columns = self._get_column_sort_stuff()
197 for columnIndex, (column, sortDirection, col_cmp) in enumerate(columns):
198 self._sortedUnitModel.set_sort_func(columnIndex, col_cmp)
199 self._unitsView.set_model(self._sortedUnitModel)
201 #Insert a column into the category list even though the heading will not be seen
202 renderer = gtk.CellRendererText()
203 self._categoryColumn = gtk.TreeViewColumn('Title', renderer)
204 self._categoryColumn.set_property('resizable', 1)
205 self._categoryColumn.add_attribute(renderer, 'text', 0)
206 self._categoryView.append_column(self._categoryColumn)
208 self._categoryModel = gtk.ListStore(gobject.TYPE_STRING)
209 self._categoryView.set_model(self._categoryModel)
210 #colourize each row differently for easier reading
211 self._categoryView.set_property('rules_hint', 1)
213 #Populate the catagories list
214 for key in unit_data.UNIT_CATEGORIES:
216 self._categoryModel.append(row)
218 #--------- connections to GUI ----------------
219 self._mainWindow.connect("delete-event", self._on_user_exit)
220 self._mainWindow.connect("key-press-event", self._on_key_press)
221 self._mainWindow.connect("window-state-event", self._on_window_state_change)
222 self._categorySelectionButton.connect("clicked", self._on_category_selector_clicked)
223 self._categoryView.connect("cursor-changed", self._on_click_category)
224 self._findButton.connect("clicked", self._on_find_activate)
225 self._findEntry.connect("activate", self._on_find_activate)
226 self._findEntry.connect("changed", self._on_findEntry_changed)
227 self._previousUnitValue.connect("changed", self._on_previous_unit_value_changed)
228 self._unitValue.connect("changed", self._on_unit_value_changed)
229 self._unitValue.connect("key-press-event", self._on_browse_key_press)
230 self._unitsView.connect("cursor-changed", self._on_click_unit)
231 self._unitsView.connect("key-press-event", self._on_browse_key_press)
232 if hildonize.GTK_MENU_USED:
233 widgets.get_widget("aboutMenuItem").connect("activate", self._on_about_clicked)
234 widgets.get_widget("exitMenuItem").connect("activate", self._on_user_exit)
236 for scrollingWidgetName in (
237 "unitsViewScrolledWindow",
239 scrollingWidget = widgets.get_widget(scrollingWidgetName)
240 assert scrollingWidget is not None, scrollingWidgetName
241 hildonize.hildonize_scrollwindow_with_viewport(scrollingWidget)
243 if hildonize.IS_HILDON_SUPPORTED or constants.FORCE_HILDON_LIKE:
244 self._categoryView.get_parent().hide()
245 self._unitsView.set_headers_visible(False)
246 self._previousUnitName.get_parent().hide()
247 self._unitDescription.get_parent().get_parent().hide()
249 self._categorySelectionButton.hide()
251 replacementButtons = []
252 menu = hildonize.hildonize_menu(
254 widgets.get_widget("mainMenuBar"),
258 if not hildonize.IS_HILDON_SUPPORTED:
259 _moduleLogger.info("No hildonization support")
261 hildonize.set_application_title(
262 self._mainWindow, "%s - Unit Conversion Utility" % constants.__pretty_app_name__
264 iconPath = pixmapspath + '/gonvert.png'
265 if os.path.exists(iconPath):
266 self._mainWindow.set_icon(gtk.gdk.pixbuf_new_from_file(iconPath))
268 _moduleLogger.warn("Error: Could not find gonvert icon: %s" % iconPath)
270 self._load_settings()
271 self._mainWindow.show()
273 def _load_settings(self):
274 #Restore window size from previously saved settings if it exists and is valid.
275 windowDatPath = "/".join((constants._data_path_, "window.dat"))
276 if os.path.exists(windowDatPath):
277 saved_window = pickle.load(open(windowDatPath, "r"))
279 a, b = saved_window['size']
283 self._mainWindow.resize(a, b)
285 #Restore selections from previously saved settings if it exists and is valid.
287 selectedCategoryName = unit_data.UNIT_CATEGORIES[0]
288 selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
289 if os.path.exists(selectionsDatPath):
290 selections = pickle.load(open(selectionsDatPath, 'r'))
292 self._defaultUnitForCategory = selections['selected_units']
297 selectedCategoryName = selections['selected_category']
302 categoryIndex = unit_data.UNIT_CATEGORIES.index(selectedCategoryName)
304 _moduleLogger.warn("Unknown category: %s" % selectedCategoryName)
306 self._categorySelectionButton.get_child().set_markup("<big>%s</big>" % selectedCategoryName)
307 self._categoryView.set_cursor(categoryIndex, self._categoryColumn, False)
308 self._categoryView.grab_focus()
310 self._select_default_unit()
312 def _save_settings(self):
314 This routine saves the selections to a file, and
315 should therefore only be called when exiting the program.
317 Update selections dictionary which consists of the following keys:
318 'self._selectedCategoryName': full name of selected category
319 'self._defaultUnitForCategory': self._defaultUnitForCategory dictionary which contains:
320 [categoryname: #1 displayed unit, #2 displayed unit]
322 #Determine the contents of the selected category row
323 selected, iter = self._categoryView.get_selection().get_selected()
324 self._selectedCategoryName = self._categoryModel.get_value(iter, 0)
327 'selected_category': self._selectedCategoryName,
328 'selected_units': self._defaultUnitForCategory
330 selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
331 pickle.dump(selections, open(selectionsDatPath, 'w'))
333 #Get last size of app and save it
335 'size': self._mainWindow.get_size()
337 windowDatPath = "/".join((constants._data_path_, "window.dat"))
338 pickle.dump(window_settings, open(windowDatPath, 'w'))
340 def _refresh_columns(self):
341 self._unitsView.remove_column(self._unitNameColumn)
342 self._unitsView.remove_column(self._unitIntegerColumn)
343 self._unitsView.remove_column(self._unitFractionalColumn)
344 self._unitsView.remove_column(self._unitSymbolColumn)
346 self._unitsView.append_column(self._unitNameColumn)
347 self._unitsView.append_column(self._unitIntegerColumn)
348 self._unitsView.append_column(self._unitFractionalColumn)
349 self._unitsView.append_column(self._unitSymbolColumn)
351 def _clear_find(self):
352 # switch to "new find" state
353 self._find_result = []
356 # Clear our user message
357 self._findLabel.set_text('')
359 def _find_first(self):
360 assert len(self._find_result) == 0
361 assert self._findIndex == 0
362 findString = self._findEntry.get_text().strip().lower()
366 # Gather info on all the matching units from all categories
367 for catIndex, category in enumerate(unit_data.UNIT_CATEGORIES):
368 units = unit_data.get_units(category)
369 for unitIndex, unit in enumerate(units):
370 loweredUnit = unit.lower()
371 if loweredUnit in findString or findString in loweredUnit:
372 self._find_result.append((category, unit, catIndex, unitIndex))
374 def _update_find_selection(self):
375 assert 0 < len(self._find_result)
377 #check if next find is in a new category (prevent category changes when unnecessary
378 searchCategoryName = self._find_result[self._findIndex][0]
379 if self._selectedCategoryName != searchCategoryName:
380 self._categorySelectionButton.get_child().set_markup("<big>%s</big>" % searchCategoryName)
381 self._categoryView.set_cursor(
382 self._find_result[self._findIndex][2], self._categoryColumn, False
385 self._unitsView.set_cursor(
386 self._find_result[self._findIndex][3], self._unitNameColumn, True
389 def _find_next(self):
390 if len(self._find_result) == 0:
393 if self._findIndex == len(self._find_result)-1:
398 if not self._find_result:
399 self._findLabel.set_text('Text not found')
401 self._update_find_selection()
402 resultsLeft = len(self._find_result) - self._findIndex - 1
403 self._findLabel.set_text(
404 '%s result(s) left' % (resultsLeft, )
407 def _find_previous(self):
408 if len(self._find_result) == 0:
411 if self._findIndex == 0:
412 self._findIndex = len(self._find_result)-1
416 if not self._find_result:
417 self._findLabel.set_text('Text not found')
419 self._update_find_selection()
420 resultsLeft = len(self._find_result) - self._findIndex - 1
421 self._findLabel.set_text(
422 '%s result(s) left' % (resultsLeft, )
425 def _toggle_find(self):
426 if self._searchLayout.get_property("visible"):
427 self._searchLayout.hide()
428 self._unitsView.grab_focus()
430 self._searchLayout.show()
431 self._findEntry.grab_focus()
433 def _unit_model_cmp(self, sortedModel, leftItr, rightItr):
434 leftUnitText = self._unitModel.get_value(leftItr, self.UNITS_NAME_IDX)
435 rightUnitText = self._unitModel.get_value(rightItr, self.UNITS_NAME_IDX)
436 return cmp(leftUnitText, rightUnitText)
438 def _symbol_model_cmp(self, sortedModel, leftItr, rightItr):
439 leftSymbolText = self._unitModel.get_value(leftItr, self.UNITS_SYMBOL_IDX)
440 rightSymbolText = self._unitModel.get_value(rightItr, self.UNITS_SYMBOL_IDX)
441 return cmp(leftSymbolText, rightSymbolText)
443 def _value_model_cmp(self, sortedModel, leftItr, rightItr):
444 #special sorting exceptions for ascii values (instead of float values)
445 if self._selectedCategoryName == "Computer Numbers":
446 leftValue = self._unitModel.get_value(leftItr, self.UNITS_VALUE_IDX)
447 rightValue = self._unitModel.get_value(rightItr, self.UNITS_VALUE_IDX)
449 leftValueText = self._unitModel.get_value(leftItr, self.UNITS_VALUE_IDX)
450 leftValue = float(leftValueText) if leftValueText else 0.0
452 rightValueText = self._unitModel.get_value(rightItr, self.UNITS_VALUE_IDX)
453 rightValue = float(rightValueText) if rightValueText else 0.0
454 return cmp(leftValue, rightValue)
456 def _get_column_sort_stuff(self):
458 (self._unitNameColumn, "_unit_sort_direction", self._unit_model_cmp),
459 (self._unitIntegerColumn, "_value_sort_direction", self._value_model_cmp),
460 (self._unitFractionalColumn, "_value_sort_direction", self._value_model_cmp),
461 (self._unitSymbolColumn, "_units_sort_direction", self._symbol_model_cmp),
465 def _switch_category(self, category):
466 self._selectedCategoryName = category
467 self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[self._selectedCategoryName]
469 #Fill up the units descriptions and clear the value cells
470 self._clear_visible_unit_data()
472 for key in unit_data.get_units(self._selectedCategoryName):
473 row = key, '0.0', self._unitDataInCategory[key][1], '0.', '0'
474 self._unitModel.append(row)
475 nameLength = max(nameLength, len(key))
476 self._sortedUnitModel.sort_column_changed()
478 if constants.FORCE_HILDON_LIKE:
479 maxCatCharWidth = int(nameLength * 0.75)
480 maxCharWidth = int(len("nibble | hexit | quadbit") * 0.75)
481 charWidth = min(maxCatCharWidth, maxCharWidth)
482 self._unitsNameRenderer.set_property("width-chars", charWidth)
484 self._select_default_unit()
486 def _clear_visible_unit_data(self):
487 self._unitDescription.get_buffer().set_text("")
488 self._unitName.set_text('')
489 self._unitValue.set_text('')
490 self._unitSymbol.set_text('')
492 self._previousUnitName.set_text('')
493 self._previousUnitValue.set_text('')
494 self._previousUnitSymbol.set_text('')
496 self._unitModel.clear()
498 def _select_default_unit(self):
499 # Restore the previous historical settings of previously selected units
500 # in this newly selected category
501 defaultPrimary = unit_data.get_base_unit(self._selectedCategoryName)
502 defaultSecondary = ""
503 if self._selectedCategoryName in self._defaultUnitForCategory:
504 if self._defaultUnitForCategory[self._selectedCategoryName][0]:
505 defaultPrimary = self._defaultUnitForCategory[self._selectedCategoryName][0]
506 if self._defaultUnitForCategory[self._selectedCategoryName][1]:
507 defaultSecondary = self._defaultUnitForCategory[self._selectedCategoryName][1]
509 units = unit_data.get_units(self._selectedCategoryName)
511 #Restore oldest selection first.
514 unitIndex = units.index(defaultPrimary)
517 self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
519 #Restore newest selection second.
522 unitIndex = units.index(defaultSecondary)
525 self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
527 # select the text so user can start typing right away
528 self._unitValue.grab_focus()
529 self._unitValue.select_region(0, -1)
531 def _sanitize_value(self, userEntry):
532 if self._selectedCategoryName == "Computer Numbers":
541 value = float(userEntry)
544 @gtk_toolbox.log_exception(_moduleLogger)
545 def _on_key_press(self, widget, event, *args):
547 @note Hildon specific
549 RETURN_TYPES = (gtk.keysyms.Return, gtk.keysyms.ISO_Enter, gtk.keysyms.KP_Enter)
551 event.keyval == gtk.keysyms.F6 or
552 event.keyval in RETURN_TYPES and event.get_state() & gtk.gdk.CONTROL_MASK
554 if self._isFullScreen:
555 self._mainWindow.unfullscreen()
557 self._mainWindow.fullscreen()
558 elif event.keyval == gtk.keysyms.f and event.get_state() & gtk.gdk.CONTROL_MASK:
560 elif event.keyval == gtk.keysyms.p and event.get_state() & gtk.gdk.CONTROL_MASK:
561 self._find_previous()
562 elif event.keyval == gtk.keysyms.n and event.get_state() & gtk.gdk.CONTROL_MASK:
564 elif event.keyval == ord("l") and event.get_state() & gtk.gdk.CONTROL_MASK:
565 with open(constants._user_logpath_, "r") as f:
566 logLines = f.xreadlines()
567 log = "".join(logLines)
568 self._clipboard.set_text(str(log))
570 @gtk_toolbox.log_exception(_moduleLogger)
571 def _on_browse_key_press(self, widget, event, *args):
572 if event.keyval == gtk.keysyms.uparrow or event.keyval == gtk.keysyms.Up:
573 index, column = self._unitsView.get_cursor()
574 newIndex = max(index[0]-1, 0)
575 self._unitsView.set_cursor((newIndex, ), column, True)
576 return True # override default behavior
577 elif event.keyval == gtk.keysyms.downarrow or event.keyval == gtk.keysyms.Down:
578 index, column = self._unitsView.get_cursor()
579 newIndex = min(index[0]+1, len(self._unitModel)-1)
580 self._unitsView.set_cursor((newIndex, ), column, True)
581 return True # override default behavior
583 @gtk_toolbox.log_exception(_moduleLogger)
584 def _on_window_state_change(self, widget, event, *args):
586 @note Hildon specific
588 if event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN:
589 self._isFullScreen = True
591 self._isFullScreen = False
593 @gtk_toolbox.log_exception(_moduleLogger)
594 def _on_findEntry_changed(self, *args):
596 Clear out find results since the user wants to look for something new
600 @gtk_toolbox.log_exception(_moduleLogger)
601 def _on_find_activate(self, *args):
603 self._findButton.grab_focus()
605 @gtk_toolbox.log_exception(_moduleLogger)
606 def _on_click_unit_column(self, col):
608 Sort the contents of the col when the user clicks on the title.
610 #Determine which column requires sorting
611 columns = self._get_column_sort_stuff()
612 for columnIndex, (maybeCol, directionName, col_cmp) in enumerate(columns):
614 direction = getattr(self, directionName)
615 gtkDirection = gtk.SORT_ASCENDING if direction else gtk.SORT_DESCENDING
618 self._sortedUnitModel.set_sort_column_id(columnIndex, gtkDirection)
620 # set the visual for sorting
621 col.set_sort_indicator(True)
622 col.set_sort_order(not direction)
624 setattr(self, directionName, not direction)
627 maybeCol.set_sort_indicator(False)
629 assert False, "Unknown column: %s" % (col.get_title(), )
631 @gtk_toolbox.log_exception(_moduleLogger)
632 def _on_category_selector_clicked(self, *args):
633 currenntIndex = unit_data.UNIT_CATEGORIES.index(self._selectedCategoryName)
634 newIndex = hildonize.touch_selector(
637 unit_data.UNIT_CATEGORIES,
641 selectedCategoryName = unit_data.UNIT_CATEGORIES[newIndex]
642 self._categorySelectionButton.get_child().set_markup("<big>%s</big>" % selectedCategoryName)
643 self._switch_category(selectedCategoryName)
645 @gtk_toolbox.log_exception(_moduleLogger)
646 def _on_click_category(self, *args):
647 selected, iter = self._categoryView.get_selection().get_selected()
649 # User is typing in an invalid string, not selecting any category
651 selectedCategory = self._categoryModel.get_value(iter, 0)
652 self._switch_category(selectedCategory)
654 @gtk_toolbox.log_exception(_moduleLogger)
655 def _on_click_unit(self, *args):
656 selected, iter = self._unitsView.get_selection().get_selected()
657 selected_unit = selected.get_value(iter, self.UNITS_NAME_IDX)
658 unit_spec = self._unitDataInCategory[selected_unit]
662 if self._unitName.get_text() != selected_unit:
663 self._previousUnitName.set_text(self._unitName.get_text())
664 self._previousUnitValue.set_text(self._unitValue.get_text())
665 self._previousUnitSymbol.set_text(self._unitSymbol.get_text())
666 if self._unitSymbol.get_text():
669 self._unitName.set_text(selected_unit)
670 self._unitValue.set_text(selected.get_value(iter, self.UNITS_VALUE_IDX))
671 buffer = self._unitDescription.get_buffer()
672 buffer.set_text(unit_spec[2])
673 self._unitSymbol.set_text(unit_spec[1]) # put units into label text
680 self._unitSymbol.show()
681 self._previousUnitSymbol.show()
683 self._unitSymbol.hide()
684 self._previousUnitSymbol.hide()
686 if self._unitValue.get_text() == '':
687 if self._selectedCategoryName == "Computer Numbers":
688 self._unitValue.set_text("0")
690 self._unitValue.set_text("0.0")
692 self._defaultUnitForCategory[self._selectedCategoryName] = [
693 self._unitName.get_text(), self._previousUnitName.get_text()
696 # select the text so user can start typing right away
697 self._unitValue.grab_focus()
698 self._unitValue.select_region(0, -1)
700 @gtk_toolbox.log_exception(_moduleLogger)
701 def _on_unit_value_changed(self, *args):
702 if self._unitName.get_text() == '':
704 if not self._unitValue.is_focus():
707 #retrieve the conversion function and value from the selected unit
708 value = self._sanitize_value(self._unitValue.get_text())
709 func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
710 base = func.to_base(value, arg)
712 #point to the first row
713 for row in self._unitModel:
714 func, arg = self._unitDataInCategory[row[self.UNITS_NAME_IDX]][0]
715 newValue = func.from_base(base, arg)
717 newValueDisplay = str(newValue)
718 integerDisplay, fractionalDisplay = split_number(newValue)
720 row[self.UNITS_VALUE_IDX] = newValueDisplay
721 row[self.UNITS_INTEGER_IDX] = integerDisplay
722 row[self.UNITS_FRACTION_IDX] = fractionalDisplay
724 # Update the secondary unit entry
725 if self._previousUnitName.get_text() != '':
726 func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
727 self._previousUnitValue.set_text(str(func.from_base(base, arg, )))
729 self._sortedUnitModel.sort_column_changed()
730 self._refresh_columns()
732 @gtk_toolbox.log_exception(_moduleLogger)
733 def _on_previous_unit_value_changed(self, *args):
734 if self._previousUnitName.get_text() == '':
736 if not self._previousUnitValue.is_focus():
739 #retrieve the conversion function and value from the selected unit
740 value = self._sanitize_value(self._previousUnitValue.get_text())
741 func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
742 base = func.to_base(value, arg)
744 #point to the first row
745 for row in self._unitModel:
746 func, arg = self._unitDataInCategory[row[self.UNITS_NAME_IDX]][0]
747 newValue = func.from_base(base, arg)
749 newValueDisplay = str(newValue)
750 integerDisplay, fractionalDisplay = split_number(newValue)
752 row[self.UNITS_VALUE_IDX] = newValueDisplay
753 row[self.UNITS_INTEGER_IDX] = integerDisplay
754 row[self.UNITS_FRACTION_IDX] = fractionalDisplay
756 # Update the primary unit entry
757 func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
758 self._unitValue.set_text(str(func.from_base(base, arg, )))
760 self._sortedUnitModel.sort_column_changed()
761 self._refresh_columns()
763 @gtk_toolbox.log_exception(_moduleLogger)
764 def _on_about_clicked(self, a):
765 dlg = gtk.AboutDialog()
766 dlg.set_name(constants.__pretty_app_name__)
767 dlg.set_version("%s-%d" % (constants.__version__, constants.__build__))
768 dlg.set_copyright("Copyright 2009 - GPL")
770 dlg.set_website("http://unihedron.com/projects/gonvert/gonvert.php")
771 dlg.set_authors(["Anthony Tekatch <anthony@unihedron.com>", "Ed Page <eopage@byu.net> (Blame him for the most recent bugs)"])
775 @gtk_toolbox.log_exception(_moduleLogger)
776 def _on_user_exit(self, *args):
778 self._save_settings()
786 gtk.gdk.threads_init()
787 if hildonize.IS_HILDON_SUPPORTED:
788 gtk.set_application_name(constants.__pretty_app_name__)
790 if not constants.PROFILE_STARTUP:
794 if __name__ == "__main__":
795 logging.basicConfig(level = logging.DEBUG)
797 os.makedirs(constants._data_path_)