def _connect_hotspot_signals(self):
self._hotspot_callback_handles = []
self._hotspot_callback_handles.append(weak_connect(self.model._model,
'row-inserted', self.on_row_inserted))
self._hotspot_callback_handles.append(weak_connect(self.model._model,
'row-deleted', self.on_row_deleted))
self._hotspot_callback_handles.append(weak_connect(self.model._model,
'row-changed', self.on_row_changed))
def __init__(self, title, renderer, **attrs):
signals.SignalEmitter.__init__(self)
self.create_signal('clicked')
self._column = gtk.TreeViewColumn(title, renderer._renderer)
self._column.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED)
self._column.set_clickable(True)
self.attrs = attrs
renderer.setup_attributes(self._column, attrs)
self.renderer = renderer
weak_connect(self._column, 'clicked', self._header_clicked)
def on_parent_set(self, widget, old_parent):
if isinstance(self.get_parent(), gtk.ScrolledWindow):
window = self.get_parent()
scrollbars = (window.get_hscrollbar(), window.get_vscrollbar())
self.scrollbars = scrollbars
self.scroll_positions = []
self.keep_scroll_change = []
for i, scrollbar in enumerate(scrollbars):
self.scroll_positions.append(None)
self.keep_scroll_change.append(False)
weak_connect(scrollbar, 'change-value',
self.on_bar_change_value, i)
weak_connect(scrollbar, 'value-changed',
self.on_bar_value_changed, i)
def __init__(self, model):
Widget.__init__(self)
self.model = model
self.set_widget(MiroTreeView(model._model))
self.selection = self._widget.get_selection()
self.columns = []
self.attr_map_for_column = {}
self.gtk_column_to_wrapper = {}
self.background_color = None
self.drag_button_down = False
self._renderer_xpad = self._renderer_ypad = 0
self.context_menu_callback = self.drag_source = self.drag_dest = None
self.hotspot_tracker = None
self.hover_info = None
self.in_bulk_change = False
self.handled_last_button_press = False
self.delaying_press = False
self.ignore_selection_changed = False
self.set_columns_draggable(False)
self.create_signal('row-expanded')
self.create_signal('row-collapsed')
self.create_signal('selection-changed')
self.create_signal('hotspot-clicked')
self.create_signal('row-double-clicked')
self.create_signal('row-activated')
self.wrapped_widget_connect('row-activated', self.on_row_activated)
self.wrapped_widget_connect('row-expanded', self.on_row_expanded)
self.wrapped_widget_connect('row-collapsed', self.on_row_collapsed)
self.wrapped_widget_connect('button-press-event', self.on_button_press)
self.wrapped_widget_connect('button-release-event',
self.on_button_release)
self.wrapped_widget_connect('motion-notify-event',
self.on_motion_notify)
self.wrapped_widget_connect('drag-data-get', self.on_drag_data_get)
self.wrapped_widget_connect('drag-end', self.on_drag_end)
self.wrapped_widget_connect('drag-motion', self.on_drag_motion)
self.wrapped_widget_connect('drag-leave', self.on_drag_leave)
self.wrapped_widget_connect('drag-data-received',
self.on_drag_data_received)
self.wrapped_widget_connect('unrealize', self.on_unrealize)
weak_connect(self.selection, 'changed', self.on_selection_changed)
self._connect_hotspot_signals()
self.layout_manager = LayoutManager(self._widget)
self.selected = None
if hasattr(self, 'get_tooltip'):
self._widget.set_property('has-tooltip', True)
self.wrapped_widget_connect('query-tooltip', self.on_tooltip)
self._last_tooltip_place = None
def wrapped_browser_connect(self, signal, method, *user_args):
"""Connect to a signal of the widget we're wrapping.
We use a weak reference to ensures that we don't have circular
references between the wrapped widget and the wrapper widget.
"""
return weak_connect(self._browser, signal, method, *user_args)
def wrapped_browser_connect(self, signal, method, *user_args):
"""Connect to a signal of the widget we're wrapping.
We use a weak reference to ensures that we don't have circular
references between the wrapped widget and the wrapper widget.
"""
return weak_connect(self._browser, signal, method, *user_args)
def forward_signal(self, signal_name, forwarded_signal_name=None):
if forwarded_signal_name is None:
forwarded_signal_name = signal_name
return weak_connect(self._widget.entry, signal_name,
self.do_forward_signal, forwarded_signal_name)
def forward_signal(self, signal_name, forwarded_signal_name=None):
if forwarded_signal_name is None:
forwarded_signal_name = signal_name
return weak_connect(self._widget.entry, signal_name,
self.do_forward_signal, forwarded_signal_name)