Thread View: comp.sys.apple2.gno
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Started by David Ross
Thu, 31 Dec 1992 07:31
Toolbox Programming
Author: David Ross
Date: Thu, 31 Dec 1992 07:31
Date: Thu, 31 Dec 1992 07:31
49 lines
2975 bytes
2975 bytes
Hi all! (IRC people - I shall return!!!) I have been working on a
rather large Pascal program which generates a bunch of fractals at once. I
used to call this multitasking, but I was informed by someone one day that
using the strict definition of multitasking, it was not. Ok, so whatever
the hell it is, here are my problems:
1. The main event loop takes a WHILE, and so if you do an
operation involving clicking and dragging, there seems
to be this GS/OS bug that appears. It does the action
sometimes, but it doesn't show the important part, what
you are doing. For example, sometimes, when I click on
a scroll bar, it will drag it in it's mind, and when I
let go, it will go to the place that I have dragged it
to, but it won't show me the little box going up and down
as I pull the mouse up and down. It will only update it
after I let go! This also happens in another place. Is
there any way to put events on hold while one is not in
the 'main' main event loop?
2. When I make a block of memory with NewHandle, for use as
a graphport for storing what is in a window, the bottom
of it will be garbage. For instance, with a 640x400 pixel
block of memory, anything below line 200 will be junk.
The boundsrect is ok, and so is the amount of memory. I'm
stumped.
3. In order to follow technote #4's directions for changing
modes, I have to shut down Quickdraw. I used a resource
to start all of the tools, so I don't know Quickdraw's
direct page to restart it! What should I do?!?!?
Well there they are! Any and all help would be imensely appreciated, but
due to the sheer volume of all the messages here, I would really appreciate
it if any answers were sent by e-mail. Also, anyone have a copy of
Complete Pascal that they would be willing to part with? I'm not gonna
risk sending $$$ to that guy, I have heard that he sometimes doesn't send
the products out, but keeps the $$$! Anyway, in regards to these
programming problems, any help would be greatly appreciated and would
certainly earn you a place in the credits. The final program will be
public domain. All of the fractal fans out there can look for a beta
version to be out in just a few months.
/\/\/\/\/\/\/\/\/\/\/\/\:>-
Snakey
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