Add calibration offset features to improve support for non-XO platforms. The offset is configured to the default value for the XO, so the default behavior is unchanged.

1 files changed, 58 insertions, 0 deletions

diff --git a/calibration_toolbar.py b/calibration_toolbar.py
new file mode 100644
index 0000000..7b57cf1
--- /dev/null
+++ b/calibration_toolbar.py
@@ -0,0 +1,58 @@
+# Copyright 2009 Benjamin M. Schwartz
+#
+# 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 gtk
+import arange
+import locale
+from gettext import gettext
+
+class CalibrationToolbar(gtk.Toolbar):
+
+    def __init__(self):
+        gtk.Toolbar.__init__(self)
+        
+        offset_label = gtk.Label(gettext("Calibration Offset (meters): "))
+        self._offset_field = gtk.Entry()
+        self._offset_field.set_max_length(10)
+        self._offset_field.set_width_chars(10)
+        
+        bigbox = gtk.HBox()
+        
+        bigbox.pack_start(offset_label, expand=False, fill=False)
+        bigbox.pack_end(self._offset_field, expand=False, fill=False)
+        
+        self.set_offset(arange.OLPC_OFFSET)
+
+        tool_item = gtk.ToolItem()
+        tool_item.add(bigbox)
+        tool_item.set_expand(False)
+        self.insert(tool_item, 0)
+        tool_item.show()
+        
+    def get_offset(self):
+        try:
+            t = locale.atof(self._offset_field.get_text())
+        except:
+            t = 0
+        finally:
+            return t
+        
+    def set_offset(self, t):
+        try:
+            self._offset_field.set_text(locale.str(t))
+            return True
+        except:
+            return False