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surveyor
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surveyor.man
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1987-06-15
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3KB
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51 lines
Why Surveyor? When I made pcopy, I arranged gadgets and texts in
the windows by trial and error. I even used a ruler and
calculator. It took a lot of time. The making of surveyor took
very much more, but ok, here it is.
Surveyor is a window that is exactly large enough to display some
data about the pointer. It always appears on the frontmost screen.
At the moment that another screen becomes frontmost, the window
will be closed and reopened on the new screen. It takes the
screen's properties. The window also becomes frontmost.
In the window below the 'A', the absolute position of the pointer
on the screen is displayed. Below the 'R', the position of the pointer
relative to a selected point is shown. The numbers are expressed
in the screen's resolution. The color represents the value as
composed by the bit planes the screen is built from.
Due to the sprite characteristics of the pointer, it is always
displayed in low resolution. With this, you cannot position things
accurately. Therefore, if you press the menubutton inside surveyor's
window, the pointer is replaced by a single dot in the screen's
resolution. This dot color-cycles to be visible everywhere. Also,
to make positioning easier, the mousespeed is slowed down to the
lowest speed available in preferences. (I wanted it slower (8) but
that went wrong.)
When a window is opened, the relative point is always in the
upperleftmost corner of the screen. The dot becomes visible when
the menubutton is pushed. If you now press the selectbutton (the
menubutton still down), then the relative point is moved to the
present pointer position.
The 'Q' is the close-gadget. (The default was not constant
enough in its size at different resolutions).
The best way to use is: "run surveyor", and then start the
target program. If this opens a screen of its own, you'd better
stop surveyor before the target program. Surveyor will not close
a window on a non-existing screen, so if the screen is gone
before surveyor, the window's memory is lost. This costs about
600 bytes. The in depth switching of screens causes no
problems. If surveyor does not succeed in opening a window, then
it will terminate.
I like to receive mail, so if you have anything to report..
Dirk Reisig
Woudweeren 10
1151 AV Broek in Waterland
Nederland (or Holland if you like)