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Re: widget_table [message #54935 is a reply to message #15223]

Tue, 17 July 2007 14:21

Jean H.
Messages: 472
Registered: July 2006

Senior Member

2d@onetel.com wrote:
> I want to create a widget_table with default values and then change
> the values from the widget and then transfer those values back to a
> calling programme. A possible way of doing this is shown below, where
> a calling routines calls the routine imager_parameters transfers
> default settings to the widget. The widget is editable so i can alter
> the values. However, i dont seem to be able to read these values back
> to the calling routine. Does anyone have a suggestion as to how i can
> do this.
>
> many thanks, 2d
>
> PRO imager_parameters_quit_event, ev
> COMPILE_OPT hidden
> WIDGET_CONTROL, ev.TOP, /DESTROY
> END
> PRO imager_parameters, fov, freq, sensitivity
> d0={fov:fov, freq:freq, sensitivity:sensitivity}
> data = [d0]
> labels = ['FOV[Deg]', 'Freq[GHz]', 'Sensitivity[K]']
> maxwidth = 30
> base = WIDGET_BASE(/COLUMN)
> table = WIDGET_TABLE(base, VALUE=data, /EDITABLE, /COLUMN_MAJOR, $
> ROW_LABELS=labels, COLUMN_LABELS=['Imager Value'], $
> COLUMN_WIDTHS=maxwidths, /RESIZEABLE_COLUMNS)
> b_quit = WIDGET_BUTTON(base, VALUE='Quit', $
> EVENT_PRO='imager_parameters_quit_event')
> WIDGET_CONTROL, base, /REALIZE
> XMANAGER, 'imager_parameters', base
> END
>

Hi,
You must use WIDGET_CONTROL, tableID, GET_VALUE=table_value ... it
could be in your quit method or elsewhere. Store tableID either in your
quit button uvalue (poor technique if you want to do something else), or
save a pointer to a structure (or to a pointer array), which would
contain, at least, the tableID.

Jean

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[Message index]

		widget_table By: R.Bauer on Mon, 26 April 1999 00:00
		Re: widget_table By: davidf on Wed, 23 February 2000 00:00
		Re: widget_table By: Ben Tupper on Thu, 24 February 2000 00:00
		Re: widget_table By: davidf on Thu, 24 February 2000 00:00
		Re: widget_table By: Pavel Romashkin on Thu, 24 February 2000 00:00
		Re: widget_table By: reardonb on Thu, 24 February 2000 00:00
		Re: widget_table By: davidf on Wed, 23 February 2000 00:00
		Re: widget_table By: Jean H. on Thu, 24 May 2007 09:01
		Re: widget_table By: David Fanning on Thu, 24 May 2007 09:03
		Re: widget_table By: 2d on Thu, 19 July 2007 12:24
		Re: widget_table By: Michael Galloy on Thu, 19 July 2007 16:12
		Re: widget_table By: Jean H. on Tue, 17 July 2007 14:21
		Re: widget_table By: David Fanning on Tue, 17 July 2007 14:21

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