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Re: Save 2D conversion matrix [message #46294 is a reply to message #46203]

Wed, 09 November 2005 06:01

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Peter Albert writes:

> Well, this can be changed, and now I also wanted button and
> motion events. Imho the appropriate event handling routine should not
> be within the FSC_WINDOW source code, as any user might do something
> different, so I added a keyword USER_EVENT_PRO, which should be the
> name of a routine which just takes one parameter, namely the event
> itself.
>
> So there are 4 new keywords: BUTTON_EVENTS and MOTION_EVENTS, which are
> passed through to WIDGET_DRAW, USER_EVENT_PRO which is used in the main
> event handler, and KBRD_Focus_Events, which is passed through to
> WIDGET_CONTROL.
>
> I added the modified code in case you think it's a useful extension.

Ah, I see where you are going with this now. Yes, interesting
ideas, although writing smart resizable graphics windows begins
to smack of doing RSI's job again. But I think you are pushing
FSC_Window *way* beyond what it was designed to do. I can see
the need for the kind of thing you are looking for, but if I
were going to write it, I would write it as an object, not
as the widget program FSC_Window is now.

I've got some bright students in the class I'm teaching
this week. Maybe I'll let them loose on it. Stay tuned. :-)

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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[Message index]

		Save 2D conversion matrix By: peter.albert@gmx.de on Mon, 07 November 2005 07:09
		Re: Save 2D conversion matrix By: peter.albert@gmx.de on Wed, 09 November 2005 02:36
		Re: Save 2D conversion matrix By: David Fanning on Wed, 09 November 2005 06:01
		Re: Save 2D conversion matrix By: David Fanning on Wed, 09 November 2005 05:48
		Re: Save 2D conversion matrix By: David Fanning on Wed, 09 November 2005 05:43
		Re: Save 2D conversion matrix By: David Fanning on Wed, 09 November 2005 00:45
		Re: Save 2D conversion matrix By: peter.albert@gmx.de on Wed, 09 November 2005 11:51
		Re: Save 2D conversion matrix By: David Fanning on Wed, 09 November 2005 08:07
		Re: Save 2D conversion matrix By: peter.albert@gmx.de on Wed, 09 November 2005 06:40

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