Trouble with wx.GridBagSizer

On Thu, 18 Oct 2007, Trey K wrote:

> I'm using a gridbagsizer for a wx.Dialog, and i'm
having some trouble.
> When I try to initiate the dialog, my program just
freezes up and does
> nothing, not even sending an error back to the error
log. Here's the code
> for my dialog-

> ID_FIND    = 301
> ID_FIND_B1 = 302
> ID_FIND_B2 = 303
> ID_FIND_TX = 304
> ID_REPLACE = 351
> ID_RPLC_B1 = 352
> ID_RPLC_B2 = 353

Trey,

   You'll end up tripping yourself doing this. Remove the
above and use
wx.ID_ANY in all situations. Let the software track which ID
belongs to
which widget.

>    def OnFind(self, event):
>        class FindDialog(wx.Dialog):
>            def __init__(self, parent):
>                wx.Dialog.__init__(self, parent,
title=("Find"))
>                sizer = wx.GridBagSizer(hgap=5, vgap=5)
>                #
>                stat_text = wx.StaticText(self, 5000,
"Enter text to find:")
>                find_text = wx.TextCtrl(self)
>                ok_find = wx.Button(self, ID_FIND_B1,
'Find')
>                cancel_find = wx.Button(self,
ID_FIND_B2, 'Cancel')

   You're making more work for yourself this way. You don't
need a grid bag
sizer, just a vertical sizer (top row for the label and text
entry widget,
the other for the two buttons) and two horizontal sizers,
one per row.

   You'll also want to initialize the wx.TextCtrl() fully.
Look at the man
page on the web site, or the wxPython in Action book -- very
highly
recommended.

> class MyApp(wx.App):
>    def OnInit(self):
>        MainWin(None, -1, 'Ephesus').Show()
>        return True
>
> app = MyApp(redirect = True, filename =
"error.log")
> app.MainLoop()

   You need
if __name__ == "__main__":

in which you tell it to run pysimpleapp().

   Back to the books, Trey!

Rich

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On Thu, 18 Oct 2007, Trey K wrote:

> If I use wx.ID_ANY, then what value should I use in
self.Bind(wx.EVT_BUTTON,
> self.OnFind_F, id=THIS) spot?

   Nothing.

   Here's an example of a button from the module I'm now
debugging:

     self.fsViewButton = wx.Button(self, wx.ID_ANY,
label='View')
     self.Bind(wx.EVT_BUTTON, self.OnFzySetView,
self.fsViewButton)

> Alas, all the documentation I have for wxpython right
now is the internet.
> I'm working on getting that book you recommended.

   Look at the demos and examples as well as the pages for
each widget. It
does take time, but the climb up the learning curve is worth
it. The view
toward the top is extensive (unless the mental fog sets in,
of course).

   Good luck, Trey, and don't hesitate to ask on the list.
Lots of helpful
folks here. And patient, too.

Rich

-- 
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Environmental Permitting
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On Thu, 18 Oct 2007, Rich Shepard wrote:

>  Here's an example of a button from the module I'm now
debugging:
>
>    self.fsViewButton = wx.Button(self, wx.ID_ANY,
label='View')
>    self.Bind(wx.EVT_BUTTON, self.OnFzySetView,
self.fsViewButton)

   Sorry. I should have been more explicit. The Bind()
method is to the name
of the button (self.fsViewButton), not the ID.

Rich

-- 
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Rich Shepard wrote:
>   Here's an example of a button from the module I'm now
debugging:
> 
>     self.fsViewButton = wx.Button(self, wx.ID_ANY,
label='View')
>     self.Bind(wx.EVT_BUTTON, self.OnFzySetView,
self.fsViewButton)

Or even better:
self.fsViewButton.Bind(wx.EVT_BUTTON, self.OnFzySetView)

See the wxPYthon style guide in the Wiki:

http://
wiki.wxpython.org/wxPython_Style_Guide

-Chris



-- 
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Chris.Barkernoaa.gov

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On Thu, 18 Oct 2007, Christopher Barker wrote:

> Or even better:
> self.fsViewButton.Bind(wx.EVT_BUTTON,
self.OnFzySetView)
>
> See the wxPYthon style guide in the Wiki:
> http://
wiki.wxpython.org/wxPython_Style_Guide

Chris,

   I was writing them that way, but read somewhere, perhaps
in the wPIA book,
that there are benefits to the former syntax. I honestly
don't recall the
discussion, but I went through all the modules and changed
them.

Rich

-- 
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Environmental Permitting
Applied Ecosystem Services, Inc.        |        
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Rich Shepard wrote:
> On Thu, 18 Oct 2007, Christopher Barker wrote:
> 
>> Or even better:
>> self.fsViewButton.Bind(wx.EVT_BUTTON,
self.OnFzySetView)
>>
>> See the wxPYthon style guide in the Wiki:
>> http://
wiki.wxpython.org/wxPython_Style_Guide
> 
> Chris,
> 
>   I was writing them that way, but read somewhere,
perhaps in the wPIA 
> book,
> that there are benefits to the former syntax. I
honestly don't recall the
> discussion, but I went through all the modules and
changed them.

http://wiki.wxpython.org/self.Bind_vs._self.button.Bind


-- 
Robin Dunn
Software Craftsman
http://wxPython.org  Java
give you jitters?  Relax with wxPython!


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On Thu, 18 Oct 2007, Robin Dunn wrote:

> http://wiki.wxpython.org/self.Bind_vs._self.button.Bind

   Thanks, Robin! Not only is that an excellently written
explanation, but my
understanding is more complete now that I have more wxPython
experience.

Rich

-- 
Richard B. Shepard, Ph.D.               |    The
Environmental Permitting
Applied Ecosystem Services, Inc.        |        
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<http://www.appl-ecosys
.com>     Voice: 503-667-4517      Fax: 503-667-8863

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