From 589abac2101f8d1362b73c1427f67d51ea79b3b5 Mon Sep 17 00:00:00 2001
From: Martin Baeuml <baeuml@kit.edu>
Date: Tue, 6 Dec 2011 15:37:23 +0100
Subject: [PATCH] allow ids to be in the range 0-35

ids 0-9 are labeled using keys 0-9,
ids 10-35 are labeled using keys a-z
---
 sloth/items/inserters.py | 8 ++++++--
 sloth/items/items.py     | 5 +++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/sloth/items/inserters.py b/sloth/items/inserters.py
index 07ac350..031c092 100644
--- a/sloth/items/inserters.py
+++ b/sloth/items/inserters.py
@@ -259,8 +259,12 @@ class BBoxFaceInserter(SequenceItemInserter):
         if event.key() == Qt.Key_O and self._state > 0:
             self.toggleOccludedForCurrentInserter()
             return
-        elif Qt.Key_0 <= event.key() <= Qt.Key_9:
-            self._ann['id'] = int(str(event.text()))
+        elif Qt.Key_0 <= event.key() <= Qt.Key_9 or \
+             Qt.Key_A <= event.key() <= Qt.Key_Z:
+            if Qt.Key_0 <= event.key() <= Qt.Key_9:
+                self._ann['id'] = int(str(event.text()))
+            else:
+                self._ann['id'] = ord(str(event.text()).upper()) - 65 + 10
             message = self._scene._message
             if message is None:
                 message = ""
diff --git a/sloth/items/items.py b/sloth/items/items.py
index ea48185..c0c6577 100644
--- a/sloth/items/items.py
+++ b/sloth/items/items.py
@@ -453,8 +453,9 @@ class OccludablePointItem(PointItem):
 
 class IDRectItem(RectItem):
     cycleValuesOnKeypress = dict(
-        [('i',    (IgnorePrefix('id'), range(10)))] +
-        [(str(i), (IgnorePrefix('id'), [i])) for i in range(10)]
+        [('i',    (IgnorePrefix('id'), range(36)))] +
+        [(str(i), (IgnorePrefix('id'), [i])) for i in range(10)] +
+        [(chr(i-10+65).lower(), (IgnorePrefix('id'), [i])) for i in range(10, 36)]
     )
     defaultAutoTextKeys = ['id']