def _init_widgets(self):
# Create widgets
self.btn_back = gtk.Button()
self.btn_forward = gtk.Button()
self.btn_back.add(gtk.Arrow(gtk.ARROW_LEFT, gtk.SHADOW_NONE))
self.btn_forward.add(gtk.Arrow(gtk.ARROW_RIGHT, gtk.SHADOW_NONE))
self.tvw_items, self.lst_items = self._init_treeview()
frame = gtk.Frame()
#frame.set_shadow_type(gtk.SHADOW_ETCHED_IN)
frame.add(self.tvw_items)
self.btn_popup = PopupWidgetButton(frame, label='(uninitialised)')
# Connect to signals
self.btn_back.connect('clicked', self._on_back_clicked)
self.btn_forward.connect('clicked', self._on_forward_clicked)
self.btn_popup.connect('key-press-event',
self._on_popup_key_press_event)
# Add widgets to containers
self.pack_start(self.btn_back, expand=False, fill=False)
self.pack_start(self.btn_popup, expand=True, fill=True)
self.pack_start(self.btn_forward, expand=False, fill=False)
def _init_widgets(self):
# Create widgets
self.btn_back = gtk.Button()
self.btn_forward = gtk.Button()
self.btn_back.add(gtk.Arrow(gtk.ARROW_LEFT, gtk.SHADOW_NONE))
self.btn_forward.add(gtk.Arrow(gtk.ARROW_RIGHT, gtk.SHADOW_NONE))
self.tvw_items, self.lst_items = self._init_treeview()
self.btn_popup = PopupWidgetButton(self.tvw_items, label='current')
# Connect to signals
self.btn_back.connect('clicked', self._on_back_clicked)
self.btn_forward.connect('clicked', self._on_forward_clicked)
self.btn_popup.connect('key-press-event', self._on_popup_key_press_event)
# Add widgets to containers
self.pack_start(self.btn_back, expand=False, fill=False)
self.pack_start(self.btn_popup, expand=True, fill=True)
self.pack_start(self.btn_forward, expand=False, fill=False)
def _init_widgets(self):
# Create widgets
self.btn_back = gtk.Button()
self.btn_forward = gtk.Button()
self.btn_back.add(gtk.Arrow(gtk.ARROW_LEFT, gtk.SHADOW_NONE))
self.btn_forward.add(gtk.Arrow(gtk.ARROW_RIGHT, gtk.SHADOW_NONE))
self.tvw_items, self.lst_items = self._init_treeview()
frame = gtk.Frame()
#frame.set_shadow_type(gtk.SHADOW_ETCHED_IN)
frame.add(self.tvw_items)
self.btn_popup = PopupWidgetButton(frame, label='(uninitialised)')
# Connect to signals
self.btn_back.connect('clicked', self._on_back_clicked)
self.btn_forward.connect('clicked', self._on_forward_clicked)
self.btn_popup.connect('key-press-event', self._on_popup_key_press_event)
# Add widgets to containers
self.pack_start(self.btn_back, expand=False, fill=False)
self.pack_start(self.btn_popup, expand=True, fill=True)
self.pack_start(self.btn_forward, expand=False, fill=False)
class ListNavigator(gtk.HBox):
__gtype_name__ = 'ListNavigator'
__gsignals__ = {
'back-clicked': (gobject.SIGNAL_RUN_FIRST, None, ()),
'forward-clicked': (gobject.SIGNAL_RUN_FIRST, None, ()),
'selection-changed': (gobject.SIGNAL_RUN_FIRST, None, (object,))
}
COL_DISPLAY, COL_VALUE = range(2)
# INITIALIZERS #
def __init__(self):
super(ListNavigator, self).__init__()
self._init_widgets()
def _init_treeview(self):
tvw = gtk.TreeView()
tvw.append_column(gtk.TreeViewColumn(
"State", gtk.CellRendererText(), text=self.COL_DISPLAY
))
lst = gtk.ListStore(str, object)
tvw.set_model(lst)
tvw.set_headers_visible(False)
tvw.get_selection().connect('changed', self._on_selection_changed)
return tvw, lst
def _init_widgets(self):
# Create widgets
self.btn_back = gtk.Button()
self.btn_forward = gtk.Button()
self.btn_back.add(gtk.Arrow(gtk.ARROW_LEFT, gtk.SHADOW_NONE))
self.btn_forward.add(gtk.Arrow(gtk.ARROW_RIGHT, gtk.SHADOW_NONE))
self.tvw_items, self.lst_items = self._init_treeview()
self.btn_popup = PopupWidgetButton(self.tvw_items, label='current')
# Connect to signals
self.btn_back.connect('clicked', self._on_back_clicked)
self.btn_forward.connect('clicked', self._on_forward_clicked)
self.btn_popup.connect('key-press-event', self._on_popup_key_press_event)
# Add widgets to containers
self.pack_start(self.btn_back, expand=False, fill=False)
self.pack_start(self.btn_popup, expand=True, fill=True)
self.pack_start(self.btn_forward, expand=False, fill=False)
# METHODS #
def move_state(self, offset):
# XXX: Adapted from ActivityEntry._on_key_press_event
# (from the hamster-applet project)
cursor = self.tvw_items.get_cursor()
if not cursor or not cursor[0]:
self.tvw_items.set_cursor(0)
return
i = cursor[0][0] + offset
# keep it in the sane borders
i = min(max(i, 0), len(self.tvw_items.get_model()) - 1)
self.tvw_items.set_cursor(i)
self.tvw_items.scroll_to_cell(i, use_align=True, row_align=0.4)
def set_model(self, model, select_first=True, select_name=None):
"""Set the model for the C{gtk.TreeView} in the pop-up window.
@type select_first: bool
@param select_first: Whether or not the first row should be selected
@type select_name: str
@param select_name: The row with this display value is selected.
This overrides C{select_first}."""
if model.get_column_type(self.COL_DISPLAY) != gobject.TYPE_STRING:
raise ValueError('Column %d does not contain "string" values' % (self.COL_DISPLAY))
if model.get_column_type(self.COL_VALUE) != gobject.TYPE_PYOBJECT:
raise ValueError('Column %d does not contain "object" values' % (self.COL_VALUE))
self.tvw_items.set_model(model)
select_path = None
if select_first:
select_path = 0
if select_name is not None:
for row in model:
if row[self.COL_DISPLAY] == select_name:
select_path = row.path
break
if select_path is not None:
self.tvw_items.set_cursor(select_path)
self.tvw_items.scroll_to_cell(select_path, use_align=True, row_align=0.4)
def set_parent_window(self, wnd_parent):
self.btn_popup.popup.set_transient_for(wnd_parent)
def select_by_name(self, name):
for row in self.tvw_items.get_model():
if row[self.COL_DISPLAY] == name:
logging.debug('name: %s' % (name))
self.tvw_items.get_selection().select_iter(row.iter)
return
def select_by_object(self, obj):
for row in self.tvw_items.get_model():
if row[self.COL_VALUE] == obj:
self.tvw_items.get_selection().select_iter(row.iter)
return
# EVENT HANDLERS #
def _on_back_clicked(self, button):
self.emit('back-clicked')
self.move_state(-1)
def _on_forward_clicked(self, button):
self.emit('forward-clicked')
self.move_state(1)
def _on_popup_key_press_event(self, widget, event):
assert widget is self.btn_popup
# See virtaal.views.widgets.textbox.TextBox._on_key_pressed for an
# explanation fo the filter below.
filtered_state = event.state & (gtk.gdk.CONTROL_MASK | gtk.gdk.MOD1_MASK | gtk.gdk.MOD4_MASK | gtk.gdk.SHIFT_MASK)
keyval = event.keyval
if filtered_state == 0:
# No modifying keys (like Ctrl and Alt) are pressed
if keyval == gtk.keysyms.Up and self.btn_popup.is_popup_visible:
self.move_state(-1)
return True
elif keyval == gtk.keysyms.Down and self.btn_popup.is_popup_visible:
self.move_state(1)
return True
return False
def _on_selection_changed(self, selection):
model, itr = selection.get_selected()
if not model or not itr:
return
selected_value = model.get_value(itr, self.COL_VALUE)
# Disable back/forward buttons if the first/last item was selected
isfirst = selected_value == model.get_value(model[0].iter, self.COL_VALUE)
islast = selected_value == model.get_value(model[len(model)-1].iter, self.COL_VALUE)
self.btn_back.set_sensitive(not isfirst)
self.btn_forward.set_sensitive(not islast)
self.emit('selection-changed', selected_value)
class ListNavigator(gtk.HBox):
__gtype_name__ = 'ListNavigator'
__gsignals__ = {
'back-clicked': (gobject.SIGNAL_RUN_FIRST, None, ()),
'forward-clicked': (gobject.SIGNAL_RUN_FIRST, None, ()),
'selection-changed': (gobject.SIGNAL_RUN_FIRST, None, (object, ))
}
COL_DISPLAY, COL_VALUE = range(2)
# INITIALIZERS #
def __init__(self):
super(ListNavigator, self).__init__()
self._init_widgets()
def _init_treeview(self):
tvw = gtk.TreeView()
tvw.append_column(
gtk.TreeViewColumn("State",
gtk.CellRendererText(),
text=self.COL_DISPLAY))
lst = gtk.ListStore(str, object)
tvw.set_model(lst)
tvw.set_headers_visible(False)
tvw.get_selection().connect('changed', self._on_selection_changed)
return tvw, lst
def _init_widgets(self):
# Create widgets
self.btn_back = gtk.Button()
self.btn_forward = gtk.Button()
self.btn_back.add(gtk.Arrow(gtk.ARROW_LEFT, gtk.SHADOW_NONE))
self.btn_forward.add(gtk.Arrow(gtk.ARROW_RIGHT, gtk.SHADOW_NONE))
self.tvw_items, self.lst_items = self._init_treeview()
frame = gtk.Frame()
#frame.set_shadow_type(gtk.SHADOW_ETCHED_IN)
frame.add(self.tvw_items)
self.btn_popup = PopupWidgetButton(frame, label='(uninitialised)')
# Connect to signals
self.btn_back.connect('clicked', self._on_back_clicked)
self.btn_forward.connect('clicked', self._on_forward_clicked)
self.btn_popup.connect('key-press-event',
self._on_popup_key_press_event)
# Add widgets to containers
self.pack_start(self.btn_back, expand=False, fill=False)
self.pack_start(self.btn_popup, expand=True, fill=True)
self.pack_start(self.btn_forward, expand=False, fill=False)
def set_tooltips_text(self, backward, default, forward):
"""Set tooltips for the widgets."""
self.btn_back.set_tooltip_text(backward)
self.set_tooltip_text(default)
self.btn_forward.set_tooltip_text(forward)
# METHODS #
def move_state(self, offset):
# XXX: Adapted from ActivityEntry._on_key_press_event
# (from the hamster-applet project)
model, itr = self.tvw_items.get_selection().get_selected()
path = model.get_path(itr)
i = path[0] + offset
# keep it in the sane borders
i = min(max(i, 0), len(self.tvw_items.get_model()) - 1)
_itr = model.get_iter(i)
selected_name = model.get_value(itr, self.COL_DISPLAY)
if selected_name in self.unselectable:
return
self.tvw_items.scroll_to_cell(i, use_align=True, row_align=0.4)
self.tvw_items.set_cursor(i)
def set_model(self,
model,
unselectable=None,
select_first=True,
select_name=None):
"""Set the model for the C{gtk.TreeView} in the pop-up window.
@type select_first: bool
@param select_first: Whether or not the first row should be selected
@type select_name: str
@param select_name: The row with this display value is selected.
This overrides C{select_first}."""
if model.get_column_type(self.COL_DISPLAY) != gobject.TYPE_STRING:
raise ValueError('Column %d does not contain "string" values' %
(self.COL_DISPLAY))
if model.get_column_type(self.COL_VALUE) != gobject.TYPE_PYOBJECT:
raise ValueError('Column %d does not contain "object" values' %
(self.COL_VALUE))
# we're just initialising, so we don't want listeners to think something really changed
self._should_emit_changed = False
self.tvw_items.set_model(model)
if unselectable:
self.unselectable = unselectable
else:
self.unselectable = []
select_path = None
if select_first:
select_path = 0
if select_name is not None:
for row in model:
if row[self.COL_DISPLAY] == select_name:
select_path = row.path[0]
self.btn_popup.set_label(select_name)
break
if select_path is not None:
self.tvw_items.set_cursor(select_path)
self.tvw_items.scroll_to_cell(select_path,
use_align=True,
row_align=0.4)
self._should_emit_changed = True
def set_parent_window(self, wnd_parent):
self.btn_popup.popup.set_transient_for(wnd_parent)
def select_by_name(self, name):
self._should_emit_changed = False
for row in self.tvw_items.get_model():
if row[self.COL_DISPLAY] == name:
logging.debug('name: %s' % (name))
self.tvw_items.get_selection().select_iter(row.iter)
self._should_emit_changed = True
return
def select_by_object(self, obj):
for row in self.tvw_items.get_model():
if row[self.COL_VALUE] == obj:
self.tvw_items.get_selection().select_iter(row.iter)
return
# EVENT HANDLERS #
def _on_back_clicked(self, button):
self.emit('back-clicked')
self.move_state(-1)
def _on_forward_clicked(self, button):
self.emit('forward-clicked')
self.move_state(1)
def _on_popup_key_press_event(self, widget, event):
assert widget is self.btn_popup
# See virtaal.views.widgets.textbox.TextBox._on_key_pressed for an
# explanation fo the filter below.
filtered_state = event.state & (gtk.gdk.CONTROL_MASK
| gtk.gdk.MOD1_MASK | gtk.gdk.MOD4_MASK
| gtk.gdk.SHIFT_MASK)
keyval = event.keyval
if filtered_state == 0:
# No modifying keys (like Ctrl and Alt) are pressed
if keyval == gtk.keysyms.Up and self.btn_popup.is_popup_visible:
self.move_state(-1)
return True
elif keyval == gtk.keysyms.Down and self.btn_popup.is_popup_visible:
self.move_state(1)
return True
return False
def _on_selection_changed(self, selection):
model, itr = selection.get_selected()
if not model or not itr:
return
selected_name = model.get_value(itr, self.COL_DISPLAY)
selected_value = model.get_value(itr, self.COL_VALUE)
self.btn_popup.set_label(selected_name)
# If setting to "untranslated" internally (when we don't wan't to emit
# the changed event), we can allow the unselectable ones, since we are
# in control:
if self._should_emit_changed and selected_name in self.unselectable:
selection.select_iter(model.iter_next(itr))
return
# Disable back/forward buttons if the first/last item was selected
# TODO: disable btn_back if the previous can't be selected (like untranslated)
isfirst = selected_value == model.get_value(model[0].iter,
self.COL_VALUE)
islast = selected_value == model.get_value(model[len(model) - 1].iter,
self.COL_VALUE)
self.btn_back.set_sensitive(not isfirst)
self.btn_forward.set_sensitive(not islast)
if self._should_emit_changed:
self.emit('selection-changed', selected_value)
