CU Amiga Super CD-ROM 2/CU Amiga Magazine's Super CD-ROM 02 (1996)(EMAP Images)(GB)[!][issue 1996-04].iso/magazine/amiga_e/amigae.jan.archive/000013_crash!QUCDN.QU…UEENSU.CA!3NDS3_Wed, 5 Jan 94 02:05:11 PST.msg

Text File | 1994-02-17 | 6KB | 128 lines

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Message-Id: <[e-mail]>
Date:         Tue, 04 Jan 94 18:58:14 EST
From: 3NDS3 <[e-mail]>
To: [e-mail]
Subject: Gadtools help


I'm using GadToolsBox, SrcGen and E to create my first E program, but
I need the documentation for all the Gadtools library function calls. The
latest version only has the GTX calls documented. If anyone could point
out the correct direction, I'd be grateful.

Also I was wondering if anyone could give me a hint how to access the
string info inside string gadgets using E. I've done it in C, under the
1.3 includes, but obviously that doesn't work here. :)

      Dave
From crash!mpoli.fi!ilkka.anttonen Wed, 5 Jan 94 02:06:48 PST
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Date: Wed,  5 Jan 94 01:40:00 +0200
Organization: Metropoli, Finland
From: [e-mail] (Ilkka Anttonen)
To: [e-mail]
Subject: Re: Newbie Question

Am>         a$ = "apples"
Am>         b$ = "There are"
Am>         print b$+"5"+a$
Am>   This would print on the screen;
Am>                "There are 5 apples"
Am>   How would I do something similar in E. I think if I could just
Am> get this one thing down, the rest would fall into place. For some
Am> reason this one simple thing seems to elude me.

(I'm sure you'll get many answers, but just in case I'll write mine too)


PROC main()
 DEF first[20]:STRING,second[20]:STRING /* If you want to allocate them later,
                                          could be just: DEF first,second */
/*
 If you wanted to allocate them while running,
 these should be included:
 first:=String(20)
 second:=String(20)
*/

 StrCopy(first,'apples',ALL)
 StrCopy(second,'There are',ALL)

 WriteF('\s \d \s',second,5,first)
/*
 Or to be more accurate with the basic thing:
 WriteF('\s 5 \s',second,first)
 Althought in you source there would be no space
 between the texts and the number..
*/

ENDPROC

As E automatically (automagically? Hih..) deallocates all your resources,
you don't have to worry about the memory-thingy. GREAT thanks for that
to Wouter van Oortmerssen (Or should I call him just Wouter.. We all
are after all reading the E-mailing list..;) ) Previously while coding
in assembly freeing all the memory was always a problem. Anyway, I guess
that's of no interest to anyone. I hope this message helped...

        - Ilkka Anttonen ([e-mail])

 * Q-Blue 1.0 [NR] *
From crash!uniwa.uwa.edu.au!multi!robbage Wed, 5 Jan 94 04:44:23 PST
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In-Reply-To: <[e-mail]> from "Kenny Anderson" at Jan 2, 94 10:56:59 am
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From: [e-mail] (Rob Nottage)
To: [e-mail]
Subject: Re: Listview gadgets

>
> Can anyone help? I've designed a beautiful GUI (well, I like it!) with
> GadToolsBox. I've ran it through SrcGen, and I've got the code. I've
> written the IDCMP message handler, I've got the code. All I need now is to
> be able to get ListView gadgets working! SrcGen doesn't support tags; how
> do I define what I want in the listview gadget? I've tried various things,
> but all I seem to be able to do is either create a blank gadget, or worse
> still, guru the machine!
>      Could some kind soul post a quick example of LISTVIEW_KIND gadgets in
> action?

The example source that comes with AmigaE has a program called
GadtoolsDemo.e
It shows you (very basically) how to do it. You create a list of nodes
(exec/nodes  'nl') and supply the pointer of that list to the listview
gadget (GTLV_LABELS,mylist,....)
You can't use a LIST like with cycle or MX gadgets.
Take particular note of AddTail()  :-)
As yet I dont understand why, but you initially create a LIST
which apparently keeps a pointer to the first and last nodes.
AddTail() updates this every time you add a node.
The whole thing is not the simplest of concepts IMHO  :-)