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1995-03-19
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GMC V9.2 Operating Manual Page 1
4mGMC --- Console-Handler0m
1mOverview
0mGMC was written to replace the already existing console
handler like CON, NewCON, ConMan etc. Beside of the
wellknown features, GMC provides a number of new features to
make the life with the keyboard easier.
The primary mission of GMC lies in team-work with a
shell or the CLI, that had to work up to now with CON,
NewCON, or ConMan. Applications should restrict mainly to
pure text output because GMC can affect the output so that
the result may look not very well. Problems are also
possible if the shell isn't a real shell but only a program
that waits for inputs and starts then other programs.
Instead the team-work with the standard shell or the ARP
shell is very good.
GMC provides the following features:
- Command line editing
- Function key assignment in four levels
- Command line history
- Online help for functions of the handler
- Iconify function
- File/Directory name completer
- Printout of the recent outputs to printer and window
- Script function for storage of all outputs
- Undo-Funktion for the command line
- Command line finish without execution
- Actual directory path in window title
- Beep function on prompt display
- Close gadget function for Kickstart 2.0
- Local and global configuration
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GMC V9.2 Operating Manual Page 2
1mCommand line editing
0mThe command line editing bases on the following
functions:
Delete functions
Delete character before cursor (1)
Backspace
Delete character under cursor (2)
Del
Delete from cursor position to start of word (3)
Ctrl-Backspace
Delete from cursor position to end of word (4)
Ctrl-Del
Delete from cursor position to start of line (5)
Shift-Backspace
Delete from cursor position to end of line (6)
Shift-Del
Delete the whole line (7)
Alt-Backspace,Alt-Del
Cursor movement
Character left/right (1/2)
"Cursor left/right" (also with Alt key)
Word left/right (3/4)
Ctrl-"Cursor left/right"
Start/End of line(5/6)
Shift-"Cursor left/right"
Insert/Overwrite mode
The default mode (insert) can be toggled only for the
current line or durable. Toggle for the current line is
made by Ctrl-A. After RETURN is pressed the old mode is
activated.
The mode can be changed durable with SetGMC (see
SetGMC.Doc).
In word movement and word delete, words are not only
separated by spaces but also by ':' '/' '.' '(' ')' and '|'.
With this feature quick editing of pathnames is possible.
If the cursor is placed on or behind one of the seven
separators only the separator will be erased.
The above listed line edit functions can be assign to
different keys with SetGMC. The list above is only the
default assignment. The numbers in brackets refer to the
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GMC V9.2 Operating Manual Page 3
belonging functions.
1mFunctionkey assignment
0mAll function keys can be assigned in four levels
(alone, or with pressed Shift, Ctrl, or Alt key). The
assignment is done again with SetGMC.
The function keys can also be switched on and off. The
settings are not touched by switching the function keys on
or off.
1mCommand line history
0mAll commands are stored (maximum 2048 Bytes, each line
needs 10 Bytes extra) and can be recalled in different
ways. The last typed line is stored at the end of the
list. If the list is too long, the lines at the start of
the list are shifted out. Lines with the length 1 won't be
saved in the command line history.
- With "cursor up/down" the list will be shown in
direction start/end of the list.
- With Shift-"cursor up" the list will be searched
through line-wise on basis of the partial line as a
pattern given-in up to this point in time.
- With Shift-"cursor down" a jump behind the end of the
list will be performed.
1mOnline help functions
0mThe help key (alone or together with Shift, Ctrl, or
Alt) shows four different helps:
- Help:
Display of the functions of the cursor keys, Backspace
and Del key, and the additional help functions.
- Shift-Help
Display of the first characters of the function key
settings.
- Ctrl-Help
Output of information how to set function keys and
insert/overstrike mode.
- Alt-Help
Display of the command line history with numbers. The
output can be stopped and continued by pressing any
key. It can be breaked by pressing RETURN.
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GMC V9.2 Operating Manual Page 4
1mIconify function
0mThe Iconify function can be assigned with SetGMC to any
function key. For that purpose the function key must be
assigned to ICONIFY.
The Iconify function will be executed immediately. The
produced small window can be shifted around and brought back
to its old size by a double click. If the window is in the
reduced size, output is possible. The window will be
inactive so no wrong input is possible. The contents of the
window won't be affected.
The iconify function is disabled if GMC runs under
dos.library > 34 (Kickstart 1.4/2.0).
1mFile0m/1mDirectory name completer
0mThe command line can be expanded by the new function of
the tab key.
When TAB is pressed, an interpretation of the currently
given-in command line is performed. First the line is saved
from the last space or from the start to its end. This copy
will only be overwritten when the the line is changed or
finished by RETURN.
The stored part of the line is interpreted as a path
and/or filename. If the path contains no root directory the
current directory of the CLI or Shell process is used. As
process only that process is used that opened the
input/output stream the first time. The part behind the
last '/' or the ':' is used as the pattern to select files
or directories. The directory refers by the path is
searched through.
If a file is found which has the same beginning as the
pattern the command line will be completed with this file.
By pressing the TAB key once more the search will be
continued. If no other files are found the old command line
is displayed again.
A '/' is appended to directory names.
If the line ends with ':', '/', or ' ' all files will
be shown. The C: directory will be searched through if the
command contains no ' ' and also no ':' and no '/'.
The comparison of pattern and files is not case
sensitive.
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GMC V9.2 Operating Manual Page 5
Examples
Kommandozeile vor TAB | ergibt mit Alt-TAB
----------------------+------------------------ -------
"ty" | all files/dirs in C:, that
| start with "ty"
|
"type s:st" | e.g. "type s:startup-sequence"
|
"type " | all files/dirs in the actual
| directory
|
"type abc" | all files/dirs, that start
| with "abc" in actual directory
|
"list a/b/c" | all files/dirs, that start
| with "c" in the subdirectory
| "a/b" of the current directory
|
Beside Alt the other qualifiers have the following meaning:
- TAB:
Only files are shown, but no info files.
- Shift-TAB:
Only info files are shown.
- Ctrl-TAB:
Only directory are shown.
- Alt-TAB:
Everything is shown.
1mPrintout of the recent outputs to printer and window
0mThe printout function is assigned to a function key in
the same way as the iconify function (with PRT_SCR instead
of ICONIFY).
With SetGMC it is possible to defined the page lenth of
the printer at the beginning of every printout.
The buffer size is 4KByte at the startup of the
handler. This can also be changed by SetGMC.
The buffer can also be displayed in the window. With
Ctrl-"cursor up" the start of the buffer is shown.
Ctrl-"cursor down" shows the next page in the buffer,
Alt-"cursor down" shows the next line.
At the bottom of the window the percentage of the
displayed buffer is shown.
If a character shall be output to the window or a key
is pressed, the buffer output scrolls up to its end.
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1mScript function for storage of all outputs
0mGMC supports a script function. With this ability it
is possible to record all outputs including the echo of
inputs in a file.
The function is activated by SetGMC. The script file
remains opened until the window is closed or it is closed
explicitly by SetGMC or another script file is opened.
1mUndo function for the command line
0mBefore every change in the command line its old state
is saved. It can be brought back by pressing the ESC key.
With the aid of this buffer the command line is also
restored after the window was resized.
The buffer allows to get back a command line that isn't
finished yet and is modified by pressing the help key, by
executing a command line history or the window output recall
function or an unwished delete function.
By pressing the ESC key the contents of the actual
command line and the buffer is exchanged. The cursor is set
also to its old position.
1mCommand line finish without execution
0mTo avoid that a started command line must be again
deleted because one had recognized another command must be
executed first, the RETURN key has now two functions.
Without Shift key there is no change. With the Shift
key the command line is only stored in the command line
history but not sent to the Shell/CLI. Now the other
command can be typed and executed in the standard way and
then one can recall the old command by pressing "cursor-up"
twice.
1mActual directory path in window title
0mBeside the normal title from the startup window
description it is also possible to display the actual
directory path in the window title section. This special
function like others and the following beep function must be
switched on explicitly by SetGMC.
1mBeep function on prompt display
0mIf this function is activ, on the reception of a READ
packet the time is appointed since the last READ packet was
replied. If this interval is greater than a given value a
sound signal is sent. It is possible to determine that this
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GMC V9.2 Operating Manual Page 7
should happened only if the GMC window isn't the front most
on the front most screen. There will be no beep in RAW
mode.
1mClose gadget function for Kickstart 20m.1m0
0mUnder Kickstart 2.0 the Shell supports a close gadget
in the console window. Clicking on the close gadget has the
same effect as Ctrl-\. The new Shell reacts with a CLOSE
packet for the console handler. The close gagdet is added
if "/CLOSE" is appended to the title in the window
description.
1mLocal and global configuration
0mAs repeatedly mentioned, GMC processes can be
configurated in a local and a global way. Global
configuration has effcts only to those GMC processes that
are started after the configuration. Therefore global
configuration should be made in the startup-sequence. Local
configuration affects only the GMC process in its window it
is executed.
A detailed description of the program SetGMC is
available with the enclosed operating manual.
1mMiscellaneous
0mCtrl keys, except Ctrl-A, Ctrl-C..F, Ctrl-M and Ctrl-\
have no function and aren't sent to the Shell/CLI.
In RAW mode all keystrokes (except Ctrl-C..F) will be
transmitted without any translation. In CON mode the
following "Report" messages from the console.device will
also be passed through:
- Cursor Position
- Window Bounds
- Raw Events (except NEWSIZE-,CLOSE- und Raw Key Event)
GMC don't work with the module terminal.mod of M2Amiga.
In this case GMC causes an error during the startup and the
window will be closed again. This happens always then if
someone tries to add a close gadget and it isn't the way
that is taken under Kickstart 2.0.
On the output of a script file one should take care
that it could contain hidden report request for the
console.device. If these reports are sent a second time
there is nobody who is interested and so they are sent to
the Shell/CLI. Therefore it can happen that the next command
isn't understood. Scrolling down the window cause no
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GMC V9.2 Operating Manual Page 8
problems in this way. But script file should be better
displayed by editors or text display programs.
1mInstallation
0mFirst of all the files GMC-Handler and ExtFuncProc must
be copied in the L: directory. Then the mountlist entry
descriped below should be inserted in the mountlist in the
DEVS: directory.
GMC is installed by "Mount GMC:". This command should
be executed in the startup-sequence.
There are several ways to use GMC: instead of CON: or
NEWCON:. NewCLI, NewShell, or AShell can be patched or GMC:
must be given on start (NewShell GMC:xxx).
Another possibility is to replace GMC: by NEWCON: in
the mountlist and install GMC: as NEWCON:. Then the patch or
the window specifications can be omitted.
The last possibility is to remove CON: by the command
"Assign CON: remove" and the installation of GMC: as CON:
with "Mount CON:". In the mountlist must stand CON: instead
of GMC:. The installation as CON: won't work with M2Amiga
programs which used the module terminal.mod.
MountList entry
GMC:
Handler = L:GMC-Handler
Stacksize = 2500
Priority = 5
GlobVec = -1
#
1mAcknowledgement
0mSpecial thanks to Volker Rudolph, Joachim Strubel and
Jörg Mayer for tests and suggestions and to all people that
use and support GMC (if there is someone outside West
Germany) and paid the shareware fee.
GMC V9.2 21.07.90
