def _update_peripherals(self): """ Update the peripheral viewers. """ # Get the periph list in another thread periph_ids = self.system.get_peripheral_ids() # Return to the GTK thread yield # A list of periph_id/periph_sub_id pairs in the same order as the list of # periph_viewers for lookups. Entries which have been updated are replaced # with None to flag them as being up-to-date. cur_periph_ids = [(p.periph_id, p.periph_sub_id) for p in self.periph_viewers] for periph_num, (periph_id, periph_sub_id) in enumerate(periph_ids): if (periph_id, periph_sub_id) in cur_periph_ids: # A viewer already been created for this widget, make sure its # peripheral number is up-to-date index = cur_periph_ids.index((periph_id, periph_sub_id)) self.periph_viewers[index].architecture_changed(periph_num) # Widget has been updated cur_periph_ids[index] = None else: # No viewer exists, create one (if possible) name, PeripheralWidget = get_peripheral_view(periph_id, periph_sub_id) if PeripheralWidget is not None: self._init_periph(periph_num, periph_id, periph_sub_id, name, PeripheralWidget) # Remove any old peripherals which still remain for index, periph_ids in list(enumerate(cur_periph_ids))[::-1]: # If the periph_ids has not been cleared to None, it was not updated and # thus the corresponding widget should be destroyed. if periph_ids is not None: periph_viewer = self.periph_viewers.pop(index) self._destroy_periph(periph_viewer)
def _add_periph_info_page(self):
"""
Adds a page to the notebook showing the peripherals in the system.
"""
# Request peripherals from the system
periph_ids = self.system.get_peripheral_ids()
# Display them in the GUI thread
yield
# Don't add if there aren't any peripherals
if len(periph_ids) == 0:
return
# Table of (Name, Type, Subtype, Number, Supported)
periph_list = gtk.ListStore(str, str, str, str, str)
for periph_num, (periph_id, periph_sub_id) in enumerate(periph_ids):
name, PeriphWidget = get_peripheral_view(periph_id, periph_sub_id)
# Add the peripheral to the list
periph_list.append((name or "Unknown",
"%02X"%periph_id,
"%04X"%periph_sub_id,
str(periph_num),
"No" if PeriphWidget is None else "Yes"))
# Create the TreeView to display the table
treeview = gtk.TreeView(periph_list)
scroller = gtk.ScrolledWindow()
scroller.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
scroller.add(treeview)
cell_renderer = gtk.CellRendererText()
# Add the tab and make sure its visible as this is happening late
label = gtk.Label("Peripherals")
self.notebook.append_page(scroller, label)
self.show_all()
column = gtk.TreeViewColumn("Number")
column.pack_start(cell_renderer)
column.add_attribute(cell_renderer, "text", 3)
treeview.append_column(column)
column = gtk.TreeViewColumn("Type")
column.pack_start(cell_renderer)
column.add_attribute(cell_renderer, "text", 0)
treeview.append_column(column)
column = gtk.TreeViewColumn("ID")
column.pack_start(cell_renderer)
column.add_attribute(cell_renderer, "text", 1)
treeview.append_column(column)
column = gtk.TreeViewColumn("Sub ID")
column.pack_start(cell_renderer)
column.add_attribute(cell_renderer, "text", 2)
treeview.append_column(column)
column = gtk.TreeViewColumn("Supported")
column.pack_start(cell_renderer)
column.add_attribute(cell_renderer, "text", 4)
treeview.append_column(column)