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-rw-r--r--addons/changecolor.py127
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diff --git a/addons/changecolor.py b/addons/changecolor.py
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+# Copyright (C) 2009, Tutorius.org
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+import time
+
+import gobject
+
+import gtk, gtk.gdk
+
+from sugar.tutorius.actions import Action
+from sugar.tutorius.properties import TUAMProperty
+from sugar.tutorius.gtkutils import find_widget
+
+from sugar import profile
+
+# for easy profile access
+xo_line_color = profile.get_color().get_stroke_color()
+xo_fill_color = profile.get_color().get_fill_color()
+
+class ChangeColor(Action):
+ """
+ ChangeColorEvent
+ """
+ # widget address property
+ widaddr = TUAMProperty("0")
+
+ # set timeout
+ timeout = 500
+
+ def __init__(self, widaddr=None):
+ """Constructor - Change a widget color
+ @param widaddr: the widget for which you want to change the color (UAM)
+ """
+ Action.__init__(self)
+
+ if widaddr: self.widaddr = widaddr
+
+ self.init_style = None
+ self._new_color = None
+
+ self.wid = None
+
+ self._handler_id = None
+
+ def do(self, **kwargs):
+ """
+ do.
+ Change the color of the widaddr widget with the chosen color
+ """
+
+ if not "activity" in kwargs:
+ raise TypeError("activity argument is Mandatory")
+
+ # get widget instance
+ self.wid = find_widget(kwargs["activity"], self.widaddr, ignore_errors=False)
+
+ if not self.wid:
+ raise NameError("widget not found")
+
+ # we have to get the initial color in the sugar rc theme
+ self.init_style = self.wid.rc_get_style()
+
+ # define new color
+ self._new_color = gtk.gdk.color_parse(xo_fill_color)
+
+ # set change color timeout (flash)
+ self._handler_id = gobject.timeout_add(ChangeColor.timeout, self._timeout_cb)
+
+ def undo(self):
+ """
+ Remove timer and go back to the original color
+ """
+
+ if self._handler_id:
+ try:
+ #remove the timer
+ gobject.source_remove(self._handler_id)
+ except:
+ pass
+
+ # modify bg color (go back to original color)
+ self.wid.modify_bg(gtk.STATE_NORMAL, self.init_style.bg[gtk.STATE_NORMAL])
+ self.wid.modify_bg(gtk.STATE_PRELIGHT, self.init_style.bg[gtk.STATE_PRELIGHT])
+ self.wid.modify_bg(gtk.STATE_ACTIVE, self.init_style.bg[gtk.STATE_ACTIVE])
+ self.wid.modify_bg(gtk.STATE_INSENSITIVE, self.init_style.bg[gtk.STATE_INSENSITIVE])
+
+ def _timeout_cb(self):
+ """
+ _timeout_cb triggers the eventfilter callback.
+ """
+
+ if self.wid.rc_get_style().bg[gtk.STATE_NORMAL] == self._new_color:
+ # modify bg color (go back to original color)
+ self.wid.modify_bg(gtk.STATE_NORMAL, self.init_style.bg[gtk.STATE_NORMAL])
+ self.wid.modify_bg(gtk.STATE_PRELIGHT, self.init_style.bg[gtk.STATE_PRELIGHT])
+ self.wid.modify_bg(gtk.STATE_ACTIVE, self.init_style.bg[gtk.STATE_ACTIVE])
+ self.wid.modify_bg(gtk.STATE_INSENSITIVE, self.init_style.bg[gtk.STATE_INSENSITIVE])
+ else:
+ # modify bg color (to new color)
+ self.wid.modify_bg(gtk.STATE_NORMAL, self._new_color)
+ self.wid.modify_bg(gtk.STATE_PRELIGHT, self._new_color)
+ self.wid.modify_bg(gtk.STATE_ACTIVE, self._new_color)
+ self.wid.modify_bg(gtk.STATE_INSENSITIVE, self._new_color)
+
+ return True
+
+__action__ = {
+ "name" : "ChangeColor",
+ "display_name" : "Change widget color",
+ "icon" : "message-bubble",
+ "class" : ChangeColor,
+ "mandatory_props" : ["widaddr"]
+}
+