add splash screen

1 files changed, 94 insertions, 0 deletions

diff --git a/portato/gui/gtk/basic.py b/portato/gui/gtk/basic.py
new file mode 100644
index 0000000..882e40a
--- /dev/null
+++ b/portato/gui/gtk/basic.py
@@ -0,0 +1,94 @@
+# -*- coding: utf-8 -*-
+#
+# File: portato/gui/gtk/basic.py
+# This file is part of the Portato-Project, a graphical portage-frontend.
+#
+# Copyright (C) 2006-2007 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>
+
+# gtk stuff
+import gtk
+import gtk.glade
+import gobject
+
+from portato.constants import DATA_DIR, APP_ICON, APP, LOCALE_DIR
+
+gtk.glade.bindtextdomain (APP, LOCALE_DIR)
+gtk.glade.textdomain (APP)
+GLADE_FILE = DATA_DIR+"portato.glade"
+
+class Window (object):
+	def __init__ (self):
+		self.tree = self.get_tree(self.__class__.__name__)
+		self.tree.signal_autoconnect(self)
+		self.window = self.tree.get_widget(self.__class__.__name__)
+		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"""
+		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
+
+		wrapper.__dict__ = func.__dict__
+		wrapper.__name__ = func.__name__
+		wrapper.__doc__ = func.__doc__
+		return wrapper
+
+	def get_tree (self, name):
+		return gtk.glade.XML(GLADE_FILE, 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)
+		
+		# 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):
+		self.tree = gtk.glade.XML(GLADE_FILE, root = name)
+		self.tree.signal_autoconnect(parent)
+		self._popup = self.tree.get_widget(name)
+
+	def popup (self, *args):
+		self._popup.popup(*args)