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import gtk
class CellTextView(gtk.TextView, gtk.CellEditable):
__gtype_name__ = "CellTextView"
def do_editing_done(self, *args):
self.remove_widget()
def do_remove_widget(self, *args):
pass
def do_start_editing(self, *args):
pass
def get_text(self):
text_buffer = self.get_buffer()
bounds = text_buffer.get_bounds()
return text_buffer.get_text(*bounds)
def set_text(self, text):
self.get_buffer().set_text(text)
class MultilineCellRenderer(gtk.CellRendererText):
__gtype_name__ = "MultilineCellRenderer"
def __init__(self):
gtk.CellRendererText.__init__(self)
self._in_editor_menu = False
def _on_editor_focus_out_event(self, editor, *args):
if self._in_editor_menu: return
editor.remove_widget()
self.emit("editing-canceled")
def _on_editor_key_press_event(self, editor, event):
if event.state & (gtk.gdk.SHIFT_MASK | gtk.gdk.CONTROL_MASK): return
if event.keyval in (gtk.keysyms.Return, gtk.keysyms.KP_Enter):
editor.remove_widget()
self.emit("edited", editor.get_data("path"), editor.get_text())
elif event.keyval == gtk.keysyms.Escape:
editor.remove_widget()
self.emit("editing-canceled")
def _on_editor_populate_popup(self, editor, menu):
self._in_editor_menu = True
def on_menu_unmap(menu, self):
self._in_editor_menu = False
menu.connect("unmap", on_menu_unmap, self)
def do_start_editing(self, event, widget, path, bg_area, cell_area, flags):
editor = CellTextView()
editor.modify_font(self.props.font_desc)
editor.set_text(self.props.text)
editor.set_size_request(cell_area.width, cell_area.height)
editor.set_border_width(min(self.props.xpad, self.props.ypad))
editor.set_data("path", path)
editor.connect("focus-out-event", self._on_editor_focus_out_event)
editor.connect("key-press-event", self._on_editor_key_press_event)
editor.connect("populate-popup", self._on_editor_populate_popup)
editor.show()
return editor
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