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FINDER.TXT
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1994-03-19
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FINDER
Version 2.0a
Copyright (c) Tom Dolbilin 1994
Introduction
============
FINDER is an application written for a Psion Series 3a pocket
computer which allows the user to quickly start any application
and switch between any running applications (or open files) in
just two keystrokes. It may be used as an alternative to the
(somewhat slow) System Screen. It may also be useful in the
following cases:
1. If you do not already have a touch button assigned to a
particular application. There are only 14 touch button
combinations that you can use and it is hardly enough for all
applications you may have installed.
2. If you do have a touch button assigned but to an application
which uses multiple files (like Word, for example). Pressing
the button does not differentiate between the open files and
always brings you to the most recently used one.
FINDER is useful only if it is available at all times, i.e.,
running constantly.
System Requirements
===================
In order to run FINDER you need a Psion Series 3a pocket computer
with at least 20K of disk space. When running, FINDER is consuming
17K while in the background and 26K while in the foreground.
Installation/Removal
====================
Here are the files stored in FINDER.ZIP and where they should go:
File (size) Description Target directory
-------------------------------------------------------------
FINDER.OPA (19463) Main program file \APP\
FINDER.HLP (6239) Help file (optional) \APP\FINDER\
SYS$HELP.OPO (4157) Help driver (optional) \OPO\
The indicated directories can be created on any local drive
(Internal, A or B). Install the icon for FINDER on the System
Screen. When you first run FINDER, it creates a directory
\APP\FINDER\ on the Internal drive (if it does not already exist)
where it puts its initialization file FINDER.INI. The file is only
a few bytes long and used to store your preferences. If you use
the Run option, FINDER will create another file LIST.ODB in the
same directory. This file is used to store the list of most
recently run applications.
To remove FINDER from your system, delete all of the above files
including FINDER.INI and its directory \APP\FINDER\. Remove the
icon from the System Screen.
NOTE TO USERS OF PREVIOUS VSERIONS OF FINDER: It is recommended
that you delete the old FINDER.INI file before running this
version.
Operation
=========
When FINDER is running, it displays a list of all running
applications, or tasks. The list can show an application‹s name
and the file name of the used file (if there is one). Time and
Calc are examples of applications that do not use files. Data,
Word and Sheet are some of those that do. You can define the
format in which each entry is displayed. It can be set under 'List
options.'
Use the arrow keys to move the selector up or down. Most options
in FINDER will affect the currently selected task. For example,
selecting System and then pressing Enter will bring you to the
System Screen.
You can assign shortcuts to any of the running applications for
easier identification and switching. The shortcut is a case-
sensitive letter or a number. For example, if you want to assign
"a" to Agenda, first select it and then press "a." Now, whenever
you are in FINDER, pressing "a" will switch to Agenda. Agenda is
not a very good example because you could always press a system
button instead. However, if you use a lot of third-party
applications, this is the fastest way to switch between them. Note
that a shortcut setting for an application is lost whenever that
application quits. To remove a shortcut use Psion-M or Delete.
Shift-Psion-M removes all the shortcuts currently assigned. You
can assign shortcuts automatically using the AutoAssign option.
FINDER will then assign them based on the first letter of each
task. It first uses lowercase letter, then uppercase. If both are
already in use, no shortcut is assigned.
Memory graph displays the curve of free system memory and used
Internal disk space changing over time. Think of it as a sheet of
paper scrolling to the left with the drawing needle located on the
right edge. The area shaded with gray is the used memory. The
darker shaded area below is the space on the Internal disk taken
up by files.
The built-in Help facility provides the on-line Help on most
features. If you see a "?" in the upper-right corner of a dialog
box -- this means that you can press Help to get context-sensitive
help on this particular dialog. There are a few things in Help
that are not documented in this file so installing it at least
initially is recommended. The Help system consists of two files:
SYS$HELP.OPO and FINDER.HLP. These files are NOT required to run
FINDER. SYS$HELP.OPO is a run-time library that is called by
FINDER when you press the Help key. It displays the Help data
stored in FINDER.HLP. The library is not proprietary and may be
used by other programs. Updates to SYS$HELP.OPO may be available
separately.
Pressing the Menu button brings up FINDER menu. The arrangement
of the commands and their descriptions are listed in the
following table.
RUN menu
Run Used to run ANY application that is not in
ROM. The resulting dialog asks you to select
an application to run. It can be any of the
following types: APP, IMG, OPA, OPO, ALS or
GRP. You will be subsequently prompted for a
file name to open if the application requires
it. If you select a GRP (group) file, another
dialog box will list you the contents of the
group file from where you can also select
applications.
Run standard Used to run the built-in applications stored
in ROM. Again, if an application requires a
file, you will have to enter a file name.
Select from list This option lets you select from the list of 9
most recent applications that have been run
using the 2 options above.
TASK menu
Switch to Switches to the currently selected task. You
can use the Enter key instead.
Rename You can use this option to give a task a new
name. A task name, like a file name, can be up
to 8 characters long. It is not remembered
after a task exits. Renaming a task has no
relation to renaming a file stored on disk.
Close Closing an application is equivalent to using
Psion-X from within the application. The open
file will be saved to disk before the
application closes. Some applications that
ignore this command can be killed using the
following option.
Kill Kills the currently selected task. It is
potentially dangerous because the target
application does not get a chance to save
files.
Info Displays information about the currently
selected task. The task's name, ID, priority,
lock status and memory consumption are shown.
LIST menu
Update Updates the list of running tasks. If the
memory graph is on, the 'free memory' figure
is also updated.
Options Displays a dialog box where you can specify
the way the task list looks and behaves.
* QUICK ACCESS MODE is one of the following:
Shortcut (when pressing letter keys assigns
shortcuts to tasks to be used for switching