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# -*- coding: utf-8 -*-
#
# File: portato/gui/windows/basic.py
# This file is part of the Portato-Project, a graphical portage-frontend.
#
# Copyright (C) 2006-2008 René 'Necoro' Neumann
# This is free software. You may redistribute copies of it under the terms of
# the GNU General Public License version 2.
# There is NO WARRANTY, to the extent permitted by law.
#
# Written by René 'Necoro' Neumann <necoro@necoro.net>
from __future__ import absolute_import
# gtk stuff
import gtk
import gtk.glade
import gobject
from functools import wraps
import os.path
from ...constants import TEMPLATE_DIR, APP_ICON, APP, LOCALE_DIR
gtk.glade.bindtextdomain (APP, LOCALE_DIR)
gtk.glade.textdomain (APP)
class Window (object):
def __init__ (self):
if not hasattr(self, "__tree__"):
self.__tree__ = self.__class__.__name__
if not hasattr(self, "__window__"):
self.__window__ = self.__class__.__name__
if not hasattr(self, "__file__"):
self.__file__ = self.__class__.__name__
self.tree = self.get_tree(self.__tree__)
self.tree.signal_autoconnect(self)
self.window = self.tree.get_widget(self.__window__)
self.window.set_icon_from_file(APP_ICON)
@staticmethod
def watch_cursor (func):
"""This is a decorator for functions being so time consuming, that it is appropriate to show the watch-cursor.
@attention: this function relies on the gtk.Window-Object being stored as self.window"""
@wraps(func)
def wrapper (self, *args, **kwargs):
ret = None
def cb_idle():
try:
ret = func(self, *args, **kwargs)
finally:
self.window.window.set_cursor(None)
return False
watch = gtk.gdk.Cursor(gtk.gdk.WATCH)
self.window.window.set_cursor(watch)
gobject.idle_add(cb_idle)
return ret
return wrapper
def get_tree (self, name):
return gtk.glade.XML(os.path.join(TEMPLATE_DIR, self.__file__+".glade"), name)
class AbstractDialog (Window):
"""A class all our dialogs get derived from. It sets useful default vars and automatically handles the ESC-Button."""
def __init__ (self, parent):
"""Constructor.
@param parent: the parent window
@type parent: gtk.Window"""
Window.__init__(self)
# set parent
self.window.set_transient_for(parent)
self.parent = parent
# catch the ESC-key
self.window.connect("key-press-event", self.cb_key_pressed)
def cb_key_pressed (self, widget, event):
"""Closes the window if ESC is pressed."""
keyname = gtk.gdk.keyval_name(event.keyval)
if keyname == "Escape":
self.close()
return True
else:
return False
def close (self, *args):
self.window.destroy()
class Popup (object):
def __init__ (self, name, parent, file = "popups"):
self.tree = gtk.glade.XML(os.path.join(TEMPLATE_DIR, file+".glade"), root = name)
self.tree.signal_autoconnect(parent)
self._popup = self.tree.get_widget(name)
def popup (self, *args):
self._popup.popup(*args)
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