From 5d69a524f81f234b3fbc41d49ba18d6f6886baba Mon Sep 17 00:00:00 2001
From: jcorgan
Date: Thu, 3 Aug 2006 04:51:51 +0000
Subject: Houston, we have a trunk.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3122 221aa14e-8319-0410-a670-987f0aec2ac5
---
 gr-wxgui/src/python/form.py | 391 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 391 insertions(+)
 create mode 100755 gr-wxgui/src/python/form.py

(limited to 'gr-wxgui/src/python/form.py')

diff --git a/gr-wxgui/src/python/form.py b/gr-wxgui/src/python/form.py
new file mode 100755
index 000000000..bb41817ca
--- /dev/null
+++ b/gr-wxgui/src/python/form.py
@@ -0,0 +1,391 @@
+#!/usr/bin/env python
+#
+# Copyright 2005 Free Software Foundation, Inc.
+# 
+# This file is part of GNU Radio
+# 
+# GNU Radio 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, or (at your option)
+# any later version.
+# 
+# GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+# 
+
+import wx
+from gnuradio import eng_notation
+
+# ----------------------------------------------------------------
+#                   Wrappers for certain widgets
+# ----------------------------------------------------------------
+
+def button_with_callback(parent, label, callback):
+    new_id = wx.NewId()
+    btn = wx.Button(parent, new_id, label)
+    wx.EVT_BUTTON(parent, new_id, lambda evt: callback())
+    return btn
+    
+
+# ----------------------------------------------------------------
+#                        Format converters
+# ----------------------------------------------------------------
+
+class abstract_converter(object):
+    def value_to_prim(self, v):
+        """
+        Convert from user specified value to value acceptable to underlying primitive.
+        The underlying primitive usually expects strings.
+        """
+        raise NotImplementedError
+    def prim_to_value(self, s):
+        """
+        Convert from underlying primitive value to user specified value.
+        The underlying primitive usually expects strings.
+        """
+        raise NotImplementedError
+    def help(self):
+        return "Any string is acceptable"
+
+class identity_converter(abstract_converter):
+    def value_to_prim(self,v):
+        return v
+    def prim_to_value(self, s):
+        return s
+
+class int_converter(abstract_converter):
+    def value_to_prim(self, v):
+        return str(v)
+    def prim_to_value(self, s):
+        return int(s, 0)
+    def help(self):
+        return "Enter an integer.  Leading 0x indicates hex"
+
+class float_converter(abstract_converter):
+    def value_to_prim(self, v):
+        return eng_notation.num_to_str(v)
+    def prim_to_value(self, s):
+        return eng_notation.str_to_num(s)
+    def help(self):
+        return "Enter a float with optional scale suffix.  E.g., 100.1M"
+
+
+# ----------------------------------------------------------------
+#               Various types of data entry fields
+# ----------------------------------------------------------------
+
+class field(object):
+    """
+    A field in a form.
+    """
+    def __init__(self, converter, value):
+        self.converter = converter
+        if value is not None:
+            self.set_value(value)
+
+    def set_value(self, v):
+        self._set_prim_value(self.converter.value_to_prim(v))
+
+    def get_value(self):
+        return self.converter.prim_to_value(self._get_prim_value())
+
+    def get_value_with_check(self):
+        """
+        Returns (value, error_msg), where error_msg is not None if there was problem
+        """
+        try:
+            return (self.get_value(), None)
+        except:
+            return (None, self._error_msg())
+
+    def _set_prim_value(self, v):
+        raise NotImplementedError
+
+    def _get_prim_value(self):
+        raise NotImplementedError
+
+    def _pair_with_label(self, widget, parent=None, sizer=None, label=None, weight=1):
+        self.label = label
+        if label is None:
+            sizer.Add (widget, weight, wx.EXPAND)
+            return widget
+        elif 0:
+            hbox = wx.BoxSizer(wx.HORIZONTAL)
+            label_widget = wx.StaticText(parent, -1, label + ': ')
+            hbox.Add(label_widget, 0, wx.EXPAND)
+            hbox.Add(widget, 1, wx.EXPAND)
+            sizer.Add(hbox, weight, wx.EXPAND)
+            return widget
+        else:
+            label_widget = wx.StaticText(parent, -1, label + ': ')
+            sizer.Add(label_widget, 0, wx.EXPAND)
+            sizer.Add(widget, weight, wx.EXPAND)
+            return widget
+    
+    def _error_msg(self):
+        prefix = ''
+        if self.label:
+            prefix = self.label + ': '
+        return "%s%s is invalid. %s" % (prefix, self._get_prim_value(),
+                                        self.converter.help())
+
+# static (display-only) text fields
+
+class static_text_field(field):
+    def __init__(self, parent=None, sizer=None, label=None, value=None,
+                 converter=identity_converter(), weight=0):
+        self.f = self._pair_with_label(wx.StaticText(parent, -1, ""),
+                                       parent=parent, sizer=sizer, label=label, weight=weight)
+        field.__init__(self, converter, value)
+
+    def _get_prim_value(self):
+        return self.f.GetLabel()
+
+    def _set_prim_value(self, v):
+        self.f.SetLabel(v)
+
+
+class static_int_field(static_text_field):
+    def __init__(self, parent=None, sizer=None, label=None, value=None, weight=0):
+        static_text_field.__init__(self, parent, sizer, label, value, int_converter(), weight)
+
+class static_float_field(static_text_field):
+    def __init__(self, parent=None, sizer=None, label=None, value=None, weight=0):
+        static_text_field.__init__(self, parent, sizer, label, value, float_converter(), weight)
+
+
+# editable text fields
+
+class text_field(field):
+    def __init__(self, parent=None, sizer=None, label=None, value=None,
+                 converter=identity_converter(), callback=None, weight=1):
+        style = 0
+        if callback:
+            style = wx.TE_PROCESS_ENTER
+
+        new_id = wx.NewId()
+        w = wx.TextCtrl(parent, new_id, "", style=style)
+        self.f = self._pair_with_label(w, parent=parent, sizer=sizer, label=label, weight=weight)
+        if callback:
+            wx.EVT_TEXT_ENTER(w, new_id, lambda evt: callback())
+        field.__init__(self, converter, value)
+
+    def _get_prim_value(self):
+        return self.f.GetValue()
+
+    def _set_prim_value(self, v):
+        self.f.SetValue(v)
+
+
+class int_field(text_field):
+    def __init__(self, parent=None, sizer=None, label=None, value=None,
+                 callback=None, weight=1):
+        text_field.__init__(self, parent, sizer, label, value, int_converter(), callback, weight)
+
+class float_field(text_field):
+    def __init__(self, parent=None, sizer=None, label=None, value=None,
+                 callback=None, weight=1):
+        text_field.__init__(self, parent, sizer, label, value, float_converter(), callback, weight)
+
+# other fields
+
+class slider_field(field):
+    def __init__(self, parent=None, sizer=None, label=None, value=None,
+                 converter=identity_converter(), callback=None, min=0, max=100, weight=1):
+        new_id = wx.NewId()
+        w = wx.Slider(parent, new_id, (max+min)/2, min, max,
+                      size=wx.Size(250, -1), style=wx.SL_HORIZONTAL | wx.SL_LABELS)
+        self.f = self._pair_with_label(w, parent=parent, sizer=sizer, label=label, weight=weight)
+        if callback:
+            wx.EVT_COMMAND_SCROLL(w, new_id, lambda evt: callback(evt.GetInt()))
+        field.__init__(self, converter, value)
+
+    def _get_prim_value(self):
+        return self.f.GetValue()
+
+    def _set_prim_value(self, v):
+        self.f.SetValue(int(v))
+
+class quantized_slider_field(field):
+    def __init__(self, parent=None, sizer=None, label=None, value=None,
+                 converter=identity_converter(), callback=None, range=None, weight=1):
+        if not isinstance(range, (tuple, list)) or len(range) != 3:
+            raise ValueError, range
+
+        self.min = range[0]
+        self.max = range[1]
+        self.step_size = float(range[2])
+        nsteps = int((self.max-self.min)/self.step_size)
+        
+        new_id = wx.NewId()
+        w = wx.Slider(parent, new_id, 0, 0, nsteps,
+                      size=wx.Size(250, -1), style=wx.SL_HORIZONTAL)
+        self.f = self._pair_with_label(w, parent=parent, sizer=sizer, label=label, weight=weight)
+        if callback:
+            wx.EVT_COMMAND_SCROLL(w, new_id,
+                                  lambda evt: callback(self._map_out(evt.GetInt())))
+        field.__init__(self, converter, value)
+
+    def _get_prim_value(self):
+        return self._map_out(self.f.GetValue())
+
+    def _set_prim_value(self, v):
+        self.f.SetValue(self._map_in(v))
+
+    def _map_in(self, x):
+        return int((x-self.min) / self.step_size)
+
+    def _map_out(self, x):
+        return x * self.step_size + self.min
+
+class checkbox_field(field):
+    def __init__(self, parent=None, sizer=None, label=None, value=None,
+                 converter=identity_converter(), callback=None, weight=1):
+        new_id = wx.NewId()
+        w = wx.CheckBox(parent, new_id, label, style=wx.CHK_2STATE)
+        self.f = self._pair_with_label(w, parent=parent, sizer=sizer, label=None, weight=weight)
+        if callback:
+            wx.EVT_CHECKBOX(w, new_id, lambda evt: callback(evt.GetInt()))
+        field.__init__(self, converter, value)
+
+    def _get_prim_value(self):
+        return self.f.GetValue()
+
+    def _set_prim_value(self, v):
+        self.f.SetValue(int(v))
+
+
+class radiobox_field(field):
+    def __init__(self, parent=None, sizer=None, label="", value=None,
+                 converter=identity_converter(), callback=None, weight=1,
+                 choices=None, major_dimension=1, specify_rows=False):
+        new_id = wx.NewId()
+
+        if specify_rows:
+            style=wx.RA_SPECIFY_ROWS | wx.RA_HORIZONTAL
+        else:
+            style=wx.RA_SPECIFY_COLS | wx.RA_HORIZONTAL
+            
+        w = wx.RadioBox(parent, new_id, label, style=style, majorDimension=major_dimension,
+                        choices=choices)
+        self.f = self._pair_with_label(w, parent=parent, sizer=sizer, label=label, weight=weight)
+        if callback:
+            wx.EVT_RADIOBOX(w, new_id, lambda evt: callback(evt.GetString()))
+        field.__init__(self, converter, value)
+
+    def _get_prim_value(self):
+        return self.f.GetStringSelection()
+
+    def _set_prim_value(self, v):
+        self.f.SetStringSelection(str(v))
+
+# ----------------------------------------------------------------
+#                         the form class
+# ----------------------------------------------------------------
+
+class form(dict):
+    def __init__(self):
+        dict.__init__(self)
+
+    def check_input_for_errors(self):
+        """
+        Returns list of error messages if there's trouble,
+        else empty list.
+        """
+        vals = [f.get_value_with_check() for f in self.values()]
+        return [t[1] for t in vals if t[1] is not None]
+        
+    def get_key_vals(self):
+        d = {}
+        for (key, f) in self.items():
+            d[key] = f.get_value()
+        return d
+
+
+    def _nop(*args): pass
+    
+    def check_input_and_call(self, callback, status_handler=_nop):
+        """
+        Return a function that checks the form for errors, and then if it's OK,
+        invokes the user specified callback, passing it the form key/value dictionary.
+        status_handler is called with a string indicating results.
+        """
+        def doit_callback(*ignore):
+            errors = self.check_input_for_errors()
+            if errors:
+                status_handler(errors[0])
+                #print '\n'.join(tuple(errors))
+            else:
+                kv = self.get_key_vals()
+                if callback(kv):
+                    status_handler("OK")
+                else:
+                    status_handler("Failed")
+
+        return doit_callback
+
+
+
+# ----------------------------------------------------------------
+#                    Stand-alone example code
+# ----------------------------------------------------------------
+
+import sys
+from gnuradio.wxgui import stdgui
+
+class demo_app_flow_graph (stdgui.gui_flow_graph):
+    def __init__(self, frame, panel, vbox, argv):
+        stdgui.gui_flow_graph.__init__ (self, frame, panel, vbox, argv)
+
+        self.frame = frame
+        self.panel = panel
+
+        def _print_kv(kv):
+            print "kv =", kv
+            return True
+
+        self.form = form()
+        
+        self.form['static1'] = \
+            static_text_field(parent=panel, sizer=vbox,
+                              label="Static Text",
+                              value="The Static Value")
+
+        self.form['text1'] = \
+            text_field(parent=panel, sizer=vbox,
+                       label="TextCtrl",
+                       value="The Editable Value")
+
+        self.form['int1'] = \
+            int_field(parent=panel, sizer=vbox,
+                      label="Int Field",
+                      value=1234)
+
+        self.form['float1'] = \
+            float_field(parent=panel, sizer=vbox,
+                      label="Float Field",
+                      value=3.14159)
+
+        self.doit = button_with_callback(
+            panel, "Do It!",
+            self.form.check_input_and_call(_print_kv, self._set_status_msg))
+
+        vbox.Add(self.doit, 0, wx.CENTER)
+
+    def _set_status_msg(self, msg):
+        self.frame.GetStatusBar().SetStatusText(msg, 0)
+
+            
+def main ():
+    app = stdgui.stdapp (demo_app_flow_graph, "wxgui form demo", nstatus=1)
+    app.MainLoop ()
+
+if __name__ == '__main__':
+    main ()
-- 
cgit 


From 86f5c92427b3f4bb30536d76cf63c3fca388fb2f Mon Sep 17 00:00:00 2001
From: eb
Date: Wed, 13 Sep 2006 21:30:04 +0000
Subject: Updated FSF address in all files.  Fixes ticket:51

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@3534 221aa14e-8319-0410-a670-987f0aec2ac5
---
 gr-wxgui/src/python/form.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'gr-wxgui/src/python/form.py')

diff --git a/gr-wxgui/src/python/form.py b/gr-wxgui/src/python/form.py
index bb41817ca..ea9a8dc9a 100755
--- a/gr-wxgui/src/python/form.py
+++ b/gr-wxgui/src/python/form.py
@@ -16,8 +16,8 @@
 # 
 # You should have received a copy of the GNU General Public License
 # along with GNU Radio; see the file COPYING.  If not, write to
-# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
 # 
 
 import wx
-- 
cgit 


From 937b719d2e57d0497293d603da10cac2532346f6 Mon Sep 17 00:00:00 2001
From: eb
Date: Sat, 21 Jul 2007 03:44:38 +0000
Subject: Updated license from GPL version 2 or later to GPL version 3 or
 later.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6044 221aa14e-8319-0410-a670-987f0aec2ac5
---
 gr-wxgui/src/python/form.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'gr-wxgui/src/python/form.py')

diff --git a/gr-wxgui/src/python/form.py b/gr-wxgui/src/python/form.py
index ea9a8dc9a..5ca661836 100755
--- a/gr-wxgui/src/python/form.py
+++ b/gr-wxgui/src/python/form.py
@@ -6,7 +6,7 @@
 # 
 # GNU Radio 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, or (at your option)
+# the Free Software Foundation; either version 3, or (at your option)
 # any later version.
 # 
 # GNU Radio is distributed in the hope that it will be useful,
-- 
cgit 


From 6bf2c048d94e1c673c06c058b23213cd28292520 Mon Sep 17 00:00:00 2001
From: jcorgan
Date: Fri, 8 Feb 2008 18:45:33 +0000
Subject: Fixed missed conversion that prevented gr.wxgui from importing
 correctly.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7610 221aa14e-8319-0410-a670-987f0aec2ac5
---
 gr-wxgui/src/python/form.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'gr-wxgui/src/python/form.py')

diff --git a/gr-wxgui/src/python/form.py b/gr-wxgui/src/python/form.py
index 5ca661836..3e303554d 100755
--- a/gr-wxgui/src/python/form.py
+++ b/gr-wxgui/src/python/form.py
@@ -338,11 +338,11 @@ class form(dict):
 # ----------------------------------------------------------------
 
 import sys
-from gnuradio.wxgui import stdgui
+from gnuradio.wxgui import stdgui2
 
-class demo_app_flow_graph (stdgui.gui_flow_graph):
+class demo_app_flow_graph (stdgui2.std_top_block):
     def __init__(self, frame, panel, vbox, argv):
-        stdgui.gui_flow_graph.__init__ (self, frame, panel, vbox, argv)
+        stdgui2.std_top_block.__init__ (self, frame, panel, vbox, argv)
 
         self.frame = frame
         self.panel = panel
@@ -384,7 +384,7 @@ class demo_app_flow_graph (stdgui.gui_flow_graph):
 
             
 def main ():
-    app = stdgui.stdapp (demo_app_flow_graph, "wxgui form demo", nstatus=1)
+    app = stdgui2.stdapp(demo_app_flow_graph, "wxgui form demo", nstatus=1)
     app.MainLoop ()
 
 if __name__ == '__main__':
-- 
cgit 


From 36649d4e472172fe840444ac0268c7b6b4da94b4 Mon Sep 17 00:00:00 2001
From: jcorgan
Date: Thu, 14 Aug 2008 18:43:15 +0000
Subject: Merged changeset r9241:9289 from jblum/glwxgui into trunk.  Adds
 OpenGL versions of fftsink, waterfallsink, and scopesink, and new constsink. 
 See README.gl for use. (Josh Blum)

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@9290 221aa14e-8319-0410-a670-987f0aec2ac5
---
 gr-wxgui/src/python/form.py | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 mode change 100755 => 100644 gr-wxgui/src/python/form.py

(limited to 'gr-wxgui/src/python/form.py')

diff --git a/gr-wxgui/src/python/form.py b/gr-wxgui/src/python/form.py
old mode 100755
new mode 100644
-- 
cgit 


From f92986d6ff10330ee4608510f7baaa895e6772e0 Mon Sep 17 00:00:00 2001
From: jcorgan
Date: Sun, 22 Feb 2009 20:20:34 +0000
Subject: Adds new simple gui class to gr-wxgui.  Apps using it to come.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10474 221aa14e-8319-0410-a670-987f0aec2ac5
---
 gr-wxgui/src/python/form.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'gr-wxgui/src/python/form.py')

diff --git a/gr-wxgui/src/python/form.py b/gr-wxgui/src/python/form.py
index 3e303554d..e635c5461 100644
--- a/gr-wxgui/src/python/form.py
+++ b/gr-wxgui/src/python/form.py
@@ -273,7 +273,7 @@ class radiobox_field(field):
         else:
             style=wx.RA_SPECIFY_COLS | wx.RA_HORIZONTAL
             
-        w = wx.RadioBox(parent, new_id, label, style=style, majorDimension=major_dimension,
+        w = wx.RadioBox(parent, new_id, label="", style=style, majorDimension=major_dimension,
                         choices=choices)
         self.f = self._pair_with_label(w, parent=parent, sizer=sizer, label=label, weight=weight)
         if callback:
-- 
cgit 


From 1df84e329951c51ce7fedd5eb3a2bd1e4bb8ad3d Mon Sep 17 00:00:00 2001
From: jcorgan
Date: Sun, 8 Mar 2009 02:38:18 +0000
Subject: Fix radiobox label

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10574 221aa14e-8319-0410-a670-987f0aec2ac5
---
 gr-wxgui/src/python/form.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'gr-wxgui/src/python/form.py')

diff --git a/gr-wxgui/src/python/form.py b/gr-wxgui/src/python/form.py
index e635c5461..b55b04d73 100644
--- a/gr-wxgui/src/python/form.py
+++ b/gr-wxgui/src/python/form.py
@@ -263,7 +263,7 @@ class checkbox_field(field):
 
 
 class radiobox_field(field):
-    def __init__(self, parent=None, sizer=None, label="", value=None,
+    def __init__(self, parent=None, sizer=None, label=None, value=None,
                  converter=identity_converter(), callback=None, weight=1,
                  choices=None, major_dimension=1, specify_rows=False):
         new_id = wx.NewId()
@@ -273,9 +273,9 @@ class radiobox_field(field):
         else:
             style=wx.RA_SPECIFY_COLS | wx.RA_HORIZONTAL
             
-        w = wx.RadioBox(parent, new_id, label="", style=style, majorDimension=major_dimension,
+        w = wx.RadioBox(parent, new_id, label=label, style=style, majorDimension=major_dimension,
                         choices=choices)
-        self.f = self._pair_with_label(w, parent=parent, sizer=sizer, label=label, weight=weight)
+        self.f = self._pair_with_label(w, parent=parent, sizer=sizer, label=None, weight=weight)
         if callback:
             wx.EVT_RADIOBOX(w, new_id, lambda evt: callback(evt.GetString()))
         field.__init__(self, converter, value)
-- 
cgit 


From f919f9dcbb54a08e6e26d6c229ce92fb784fa1b2 Mon Sep 17 00:00:00 2001
From: Tom Rondeau
Date: Fri, 13 Apr 2012 18:36:53 -0400
Subject: Removed whitespace and added dtools/bin/remove-whitespace as a tool
 to do this in the future.

The sed script was provided by Moritz Fischer.
---
 gr-wxgui/src/python/form.py | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

(limited to 'gr-wxgui/src/python/form.py')

diff --git a/gr-wxgui/src/python/form.py b/gr-wxgui/src/python/form.py
index b55b04d73..0442e49c8 100644
--- a/gr-wxgui/src/python/form.py
+++ b/gr-wxgui/src/python/form.py
@@ -1,24 +1,24 @@
 #!/usr/bin/env python
 #
 # Copyright 2005 Free Software Foundation, Inc.
-# 
+#
 # This file is part of GNU Radio
-# 
+#
 # GNU Radio 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 3, or (at your option)
 # any later version.
-# 
+#
 # GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
 # the Free Software Foundation, Inc., 51 Franklin Street,
 # Boston, MA 02110-1301, USA.
-# 
+#
 
 import wx
 from gnuradio import eng_notation
@@ -32,7 +32,7 @@ def button_with_callback(parent, label, callback):
     btn = wx.Button(parent, new_id, label)
     wx.EVT_BUTTON(parent, new_id, lambda evt: callback())
     return btn
-    
+
 
 # ----------------------------------------------------------------
 #                        Format converters
@@ -128,7 +128,7 @@ class field(object):
             sizer.Add(label_widget, 0, wx.EXPAND)
             sizer.Add(widget, weight, wx.EXPAND)
             return widget
-    
+
     def _error_msg(self):
         prefix = ''
         if self.label:
@@ -223,7 +223,7 @@ class quantized_slider_field(field):
         self.max = range[1]
         self.step_size = float(range[2])
         nsteps = int((self.max-self.min)/self.step_size)
-        
+
         new_id = wx.NewId()
         w = wx.Slider(parent, new_id, 0, 0, nsteps,
                       size=wx.Size(250, -1), style=wx.SL_HORIZONTAL)
@@ -272,7 +272,7 @@ class radiobox_field(field):
             style=wx.RA_SPECIFY_ROWS | wx.RA_HORIZONTAL
         else:
             style=wx.RA_SPECIFY_COLS | wx.RA_HORIZONTAL
-            
+
         w = wx.RadioBox(parent, new_id, label=label, style=style, majorDimension=major_dimension,
                         choices=choices)
         self.f = self._pair_with_label(w, parent=parent, sizer=sizer, label=None, weight=weight)
@@ -301,7 +301,7 @@ class form(dict):
         """
         vals = [f.get_value_with_check() for f in self.values()]
         return [t[1] for t in vals if t[1] is not None]
-        
+
     def get_key_vals(self):
         d = {}
         for (key, f) in self.items():
@@ -310,7 +310,7 @@ class form(dict):
 
 
     def _nop(*args): pass
-    
+
     def check_input_and_call(self, callback, status_handler=_nop):
         """
         Return a function that checks the form for errors, and then if it's OK,
@@ -352,7 +352,7 @@ class demo_app_flow_graph (stdgui2.std_top_block):
             return True
 
         self.form = form()
-        
+
         self.form['static1'] = \
             static_text_field(parent=panel, sizer=vbox,
                               label="Static Text",
@@ -382,7 +382,7 @@ class demo_app_flow_graph (stdgui2.std_top_block):
     def _set_status_msg(self, msg):
         self.frame.GetStatusBar().SetStatusText(msg, 0)
 
-            
+
 def main ():
     app = stdgui2.stdapp(demo_app_flow_graph, "wxgui form demo", nstatus=1)
     app.MainLoop ()
-- 
cgit