ENH: gui.Dlg() - add fieldLength to control size of input display

psychopy/gui.py

@@ -65,11 +65,12 @@ def addText(self, text, color=''):
         if len(color): myTxt.SetForegroundColour(color)
         self.sizer.Add(myTxt,1,wx.ALIGN_CENTER)
 
-    def addField(self, label='', initial='', color='', choices=None, tip=''):
+    def addField(self, label='', initial='', color='', choices=None, tip='', fieldLength=0):
         """
         Adds a (labelled) input field to the dialogue box, optional text color
         and tooltip. Returns a handle to the field (but not to the label).
         If choices is a list or tuple, it will create a dropdown selector.
+        ``fieldLength`` sets the size of the input box (defaults to length of ``initial``).
         """
         self.inputFieldNames.append(label)
         if choices:
@@ -91,7 +92,8 @@ def addField(self, label='', initial='', color='', choices=None, tip=''):
             inputBox = wx.CheckBox(self, -1)
             inputBox.SetValue(initial)
         elif not choices:
-            inputLength = wx.Size(max(50, 5*len(unicode(initial))+16), 25)
+            chars = fieldLength or len(unicode(initial))
+            inputLength = wx.Size(max(50, 5 * chars + 16), 25)
             inputBox = wx.TextCtrl(self,-1,unicode(initial),size=inputLength)
         else:
             inputBox = wx.Choice(self, -1, choices=[unicode(option) for option in list(choices)])
@@ -191,7 +193,7 @@ class DlgFromDict(Dlg):
 
     See GUI.py for a usage demo, including order and tip (tooltip).
     """
-    def __init__(self, dictionary, title='',fixed=[], order=[], tip={}):
+    def __init__(self, dictionary, title='',fixed=[], order=[], tip={}, fieldLength=0):
         Dlg.__init__(self, title)
         self.dictionary=dictionary
         keys = self.dictionary.keys()
@@ -205,11 +207,11 @@ def __init__(self, dictionary, title='',fixed=[], order=[], tip={}):
             tooltip = ''
             if field in tip.keys(): tooltip = tip[field]
             if field in fixed:
-                self.addFixedField(field,self.dictionary[field], tip=tooltip)
+                self.addFixedField(field,self.dictionary[field], tip=tooltip, fieldLength=fieldLength)
             elif type(self.dictionary[field]) in [list, tuple]:
                 self.addField(field,choices=self.dictionary[field], tip=tooltip)
             else:
-                self.addField(field,self.dictionary[field], tip=tooltip)
+                self.addField(field,self.dictionary[field], tip=tooltip, fieldLength=fieldLength)
         #show it and collect data
         #tmp= wx.PySimpleApp()#this should have been done by Dlg ?
         self.show()