text box control: string mode

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@9793 221aa14e-8319-0410-a670-987f0aec2ac5

1 files changed, 9 insertions, 2 deletions

diff --git a/grc/src/grc_gnuradio/wxgui/callback_controls.py b/grc/src/grc_gnuradio/wxgui/callback_controls.py
index a8e7a9320..8027a580c 100644
--- a/grc/src/grc_gnuradio/wxgui/callback_controls.py
+++ b/grc/src/grc_gnuradio/wxgui/callback_controls.py
@@ -263,6 +263,8 @@ class text_box_control(_control_base):
 		for obj in (label_text, text_box): #fill the container with label and text entry box
 			label_text_sizer.Add(obj, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL)
 		self.Add(label_text_sizer, 0, wx.ALIGN_CENTER)
+		#set the value, detect string mode
+		self._string_mode = isinstance(value, str)
 		self.text_box.SetValue(str(value))
 
 	def get_value(self):
@@ -276,8 +278,13 @@ class text_box_control(_control_base):
 		"""
 		An enter key was pressed. Read the text box, call the callback.
 		If the text cannot be evaluated, do not try callback.
+		Do not evaluate the text box value in string mode.
 		"""
-		try: self._value = eval(self.text_box.GetValue())
-		except: return
+		if self._string_mode: self._value = self.text_box.GetValue()
+		else:
+			try: self._value = eval(self.text_box.GetValue())
+			except Exception, e:
+				print >> sys.stderr, 'Error in evaluate value from handle enter.\n', e
+				return
 		try: self.call()
 		except Exception, e: print >> sys.stderr, 'Error in exec callback from handle enter.\n', e