Reorganize custom widgets into a new 'widgets' package.

4. Blow up 'grampswidgets' module into several smaller modules.
Also move 'objectentry' module out from 'widgets' to src/, otherwise there
would be circular dependency between the 'Editors' and 'widgets' packages.


svn: r10703

src/widgets/expandcollapsearrow.py

@@ -0,0 +1,87 @@
+#
+# Gramps - a GTK+/GNOME based genealogy program
+#
+# Copyright (C) 2000-2006  Donald N. Allingham
+# Copyright (C) 2007-2008  The Gramps Developers
+#
+# 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+# $Id$
+
+#-------------------------------------------------------------------------
+#
+# Standard python modules
+#
+#-------------------------------------------------------------------------
+from gettext import gettext as _
+
+import logging
+_LOG = logging.getLogger(".widgets.expandcollapsearrow")
+
+#-------------------------------------------------------------------------
+#
+# GTK/Gnome modules
+#
+#-------------------------------------------------------------------------
+import gtk
+
+#-------------------------------------------------------------------------
+#
+# Constants
+#
+#-------------------------------------------------------------------------
+HAND_CURSOR = gtk.gdk.Cursor(gtk.gdk.HAND2)
+
+#-------------------------------------------------------------------------
+#
+# Module functions
+#
+#-------------------------------------------------------------------------
+def realize_cb(widget):
+    widget.window.set_cursor(HAND_CURSOR)
+
+#-------------------------------------------------------------------------
+#
+# ExpandCollapseArrow class
+#
+#-------------------------------------------------------------------------
+class ExpandCollapseArrow(gtk.EventBox):
+    """
+        Arrow to be used for expand/collapse of sections.
+        Note: shadow does not work, we indicate action with realize_cb
+    """
+    def __init__(self, collapsed, onbuttonpress, pair):
+        """
+        Constructor for the ExpandCollapseArrow class.
+
+        @param collapsed: True if arrow must be shown collapsed, 
+                        False otherwise
+        @type collapsed: bool
+        @param onbuttonpress: The callback function for button press
+        @type onbuttonpress:  callback
+        @param pair: user param for onbuttonpress function
+        """
+        gtk.EventBox.__init__(self)
+        self.tooltips = gtk.Tooltips()
+        if collapsed :
+            self.arrow = gtk.Arrow(gtk.ARROW_RIGHT, gtk.SHADOW_OUT)
+            self.tooltips.set_tip(self, _("Expand this section"))
+        else:
+            self.arrow = gtk.Arrow(gtk.ARROW_DOWN, gtk.SHADOW_OUT)
+            self.tooltips.set_tip(self, _("Collapse this section"))
+        self.add(self.arrow)
+        self.connect('button-press-event', onbuttonpress, pair)
+        self.connect('realize', realize_cb)