1 files changed, 65 insertions, 0 deletions
diff --git a/timer-applet/src/timerapplet/ui/ScrollableButtonList.py b/timer-applet/src/timerapplet/ui/ScrollableButtonList.py
new file mode 100644
index 00000000..2f8bb378
--- /dev/null
+++ b/timer-applet/src/timerapplet/ui/ScrollableButtonList.py
@@ -0,0 +1,65 @@
+# Copyright (C) 2008 Jimmy Do <[email protected]>
+#
+# 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
+
+import gtk
+
+def get_scroll_value_to_reveal_widget(widget_rect, viewport_rect, scroll_val):
+ if widget_rect.y < scroll_val:
+ scroll_val = widget_rect.y
+ elif widget_rect.y + widget_rect.height + 1 > scroll_val + viewport_rect.height:
+ scroll_val = widget_rect.y + widget_rect.height + 1 - viewport_rect.height 
+ return scroll_val
+
+class ScrollableButtonList(gtk.ScrolledWindow):
+ def __init__(self):
+ gtk.ScrolledWindow.__init__(self)
+ 
+ self._vadjust = gtk.Adjustment()
+ self._vbox = gtk.VBox()
+ self._viewport = gtk.Viewport()
+ 
+ self.set_vadjustment(self._vadjust)
+ self.set_policy(gtk.POLICY_NEVER, gtk.POLICY_AUTOMATIC)
+ self._viewport.modify_bg(gtk.STATE_NORMAL, self.style.base[gtk.STATE_NORMAL])
+ 
+ self._viewport.add(self._vbox)
+ self.add(self._viewport)
+ 
+ self._vbox.show()
+ self._viewport.show()
+ 
+ def add_button(self, button):
+ button.connect('focus-in-event', self._on_focus)
+ button.connect('clicked', self._on_clicked)
+ self._vbox.pack_start(button, False, False)
+ 
+ def get_buttons(self):
+ return self._vbox.get_children()
+ 
+ def _on_focus(self, widget, event):
+ self._scroll_to_widget(widget)
+ 
+ def _on_clicked(self, widget):
+ self._scroll_to_widget(widget)
+ 
+ def _scroll_to_widget(self, widget):
+ cur_val = self._vadjust.get_value()
+ new_val = get_scroll_value_to_reveal_widget(widget.allocation, self._viewport.allocation, cur_val)
+ 
+ if new_val != cur_val:
+ self._vadjust.set_value(new_val)
+ self._vadjust.value_changed()
+