pythoncard-users

[Pythoncard-users] Context menus

[Aaron H. <arc...@gm...>]

Anybody...

I have an app I'm developing using PythonCard.  On my form, I have a
grid that I'd like to allow the user to select a row and delete it.

I thought I'd just capture a keyPress event and delete the row when the
user presses a certain key...but I can't capture a keyPress event on a
grid.  I get the showEditor and hideEditor events.  And I see from
simpleGrid.py that there's a event.GetControl() to return the text edit
control but how then do I capture a keyPress event on it?

The way I envision this working is the user clicks on row label(s) to
rangeSelect, then presses the Delete key to delete the row(s).  But I
can't figure out how to capture the keyPress on the grid.

Alternatively, I would like to create a context menu so the user can
select the row, then right click to have a menu pop up with a delete
option.

Can anybody point me towards some information that will help me
accomplish either method?

-Aaron

Re: [Pythoncard-users] Context menus

[Aaron H. <arc...@gm...>]

On Wed, 2004-12-22 at 12:34 -0500, Aaron Howard wrote:
> Alternatively, I would like to create a context menu so the user can
> select the row, then right click to have a menu pop up with a delete
> option.
> 

FWIW, I have this part working now.  I found some example code which got
me going in the right direction.  I'd still like to capture a delete key
press when a row is selected to trigger the deletion that way.

-Aaron

Re: [Pythoncard-users] Context menus

[Ruben M. <rmc...@ya...>]

This is more a Python question than a PythonCard
question, but out of curiosity I did a quick search on
Comp.Lang.Python and found a possible solution:

http://groups-beta.google.com/group/comp.lang.python/browse_thread/thread/f719f4199542b53f/26b0f980d3e12c4a?q=capture+key+press&_done=%2Fgroup%2Fcomp.lang.python%2Fsearch%3Fgroup%3Dcomp.lang.python%26q%3Dcapture+key+press%26qt_g%3D1%26searchnow%3DSearch+this+group%26&_doneTitle=Back+to+Search&&d#26b0f980d3e12c4a

I haven't tested it.  Hope it helps.

-Ruben


--- Aaron Howard <arc...@gm...> wrote:

> On Wed, 2004-12-22 at 12:34 -0500, Aaron Howard
> wrote:
> > Alternatively, I would like to create a context
> menu so the user can
> > select the row, then right click to have a menu
> pop up with a delete
> > option.
> > 
> 
> FWIW, I have this part working now.  I found some
> example code which got
> me going in the right direction.  I'd still like to
> capture a delete key
> press when a row is selected to trigger the deletion
> that way.
> 
> -Aaron
> 
> 
> 
>
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Re: [Pythoncard-users] Context menus

[Alex T. <al...@tw...>]

Ruben Marquez wrote:

>This is more a Python question than a PythonCard
>question, but out of curiosity I did a quick search on
>Comp.Lang.Python and found a possible solution:
>
>http://groups-beta.google.com/group/comp.lang.python/browse_thread/thread/f719f4199542b53f/26b0f980d3e12c4a?q=capture+key+press&_done=%2Fgroup%2Fcomp.lang.python%2Fsearch%3Fgroup%3Dcomp.lang.python%26q%3Dcapture+key+press%26qt_g%3D1%26searchnow%3DSearch+this+group%26&_doneTitle=Back+to+Search&&d#26b0f980d3e12c4a
>
>I haven't tested it.  Hope it helps.
>  
>
No, it really is a PythonCard question.

The thread you found is about console IO (or rather, standard input) for 
non-GUI applications. Detecting and handling input (such as "key" 
events) within wxPython (and PythonCard) is completely different.

I believe the KEY events aren't handled for a grid component, so you 
need to do it directly in wxPython. As a simple example, I added the 
following at the end of on_initialize in the simplegrid.py sample that 
came with PythonCard.

       
        ## try binding key_down
        mygrid.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown)
       
    def OnKeyDown(self, evt):
        if evt.KeyCode() == wx.WXK_DELETE:
            print "Delete was pressed"
        evt.Skip()
        return

and it does properly detect "delete" when pressed after selecting a 
row/column  (and doesn't detect it when the delete is pressed within a 
cell editor).

You can find some more examples in the wxPython Demo samples if you need 
it ...

-- Alex.


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Re: [Pythoncard-users] Context menus

[Ruben M. <rmc...@ya...>]

I stand corrected.  Thank you for the clear
explanation Alex.

-Ruben

--- Alex Tweedly <al...@tw...> wrote:

> Ruben Marquez wrote:
> 
> >This is more a Python question than a PythonCard
> >question, but out of curiosity I did a quick search
> on
> >Comp.Lang.Python and found a possible solution:
> >
>
>http://groups-beta.google.com/group/comp.lang.python/browse_thread/thread/f719f4199542b53f/26b0f980d3e12c4a?q=capture+key+press&_done=%2Fgroup%2Fcomp.lang.python%2Fsearch%3Fgroup%3Dcomp.lang.python%26q%3Dcapture+key+press%26qt_g%3D1%26searchnow%3DSearch+this+group%26&_doneTitle=Back+to+Search&&d#26b0f980d3e12c4a
> >
> >I haven't tested it.  Hope it helps.
> >  
> >
> No, it really is a PythonCard question.
> 
> The thread you found is about console IO (or rather,
> standard input) for 
> non-GUI applications. Detecting and handling input
> (such as "key" 
> events) within wxPython (and PythonCard) is
> completely different.
> 
> I believe the KEY events aren't handled for a grid
> component, so you 
> need to do it directly in wxPython. As a simple
> example, I added the 
> following at the end of on_initialize in the
> simplegrid.py sample that 
> came with PythonCard.
> 
>        
>         ## try binding key_down
>         mygrid.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown)
>        
>     def OnKeyDown(self, evt):
>         if evt.KeyCode() == wx.WXK_DELETE:
>             print "Delete was pressed"
>         evt.Skip()
>         return
> 
> and it does properly detect "delete" when pressed
> after selecting a 
> row/column  (and doesn't detect it when the delete
> is pressed within a 
> cell editor).
> 
> You can find some more examples in the wxPython Demo
> samples if you need 
> it ...
> 
> -- Alex.
> 
> 
> -- 
> No virus found in this outgoing message.
> Checked by AVG Anti-Virus.
> Version: 7.0.298 / Virus Database: 265.6.4 - Release
> Date: 22/12/2004
> 
> 



		
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