Dec 302017
 
C source that shows how to implement context sensitive help in OS/2 PM.
File PMHELP.ZIP from The Programmer’s Corner in
Category OS/2 Files
C source that shows how to implement context sensitive help in OS/2 PM.
File Name File Size Zip Size Zip Type
HELPLIB.DLL 16616 10065 deflated
HELPLIB.LIB 1024 123 deflated
HELPSAMP 422 181 deflated
HELPSAMP.C 6679 1643 deflated
HELPSAMP.DEF 372 217 deflated
HELPSAMP.EXE 11847 4501 deflated
HELPSAMP.H 848 336 deflated
HELPSAMP.HLP 5792 5009 deflated
HELPSAMP.ICO 1056 100 deflated
HELPSAMP.RC 2483 831 deflated
HELPSAMP.TXT 9001 2634 deflated

Download File PMHELP.ZIP Here

Contents of the HELPSAMP.TXT file


.context List Categories
.list
HELPSAMP Help
.context h.default
.context About HELPSAMP
.topic General
This is the main screen of help that first shows when you first open
the database under QuickHelp. It is also the text that will show
under PM using the help DLL, HELPLIB.DLL, a number of ways:

\b1)\p It should appear when the user presses F1 in your application
without having a specific help request. This is the default help.

\b2)\p When the Help dialog box is already open, if the user presses the
F1 key, as the DLL chains it way up the help tree, it will eventually
chain back to here.

It is the highest level help possible. I have also referenced it as
the 'About HELPSAMP' topic.

.context HELPSAMP Help
.context HELPINDEX
.topic INDEX OF TOPICS
.list
About HELPSAMP
About Box
File (pull down)
Boxes (pull down)
Chaining Help
Colors in Help
Help In Boxes
Help In Dialog Boxes
Help In Message Boxes
Keystroke Help
New
Open
Save
Save As

.context About Box
.category About HELPSAMP
.topic About Box
This is the help screen displayed when F1 is pressed when the About
Dialog box is displayed. It also will display when the HELP
pushbutton is pressed in this box.

The About Box displays version information about HELPSAMP

.context File (pull down)
.category About HELPSAMP
.topic File (pull down)
Use the choices on the FILE pull-down file oriented procedures

\bNew\p \
Creates a new file.

\bOpen\p \
Opens an existing file.

\bSave\p \
Saves file under current file name.

\bSave As\p \
Saves file under new name.

\bAbout\p \
Displays copyright and version information about HelpSamp.

.context New
.category File (pull down)
.topic New
Here is where you would put help text describing the \bNew\p menu
option. By pressing the F1 key from here you will chain back to the
\bFile\p menu help screen. This is because the category of this
context points back there.

.context Open
.category File (pull down)
.topic Open
Here is where you would put help text describing the \bOpen\p menu
option. By pressing the F1 key from here you will chain back to the
\bFile\p menu help screen. This is because the category of this
context points back there.

.context Save
.category File (pull down)
.topic Save
Here is where you would put help text describing the \bSave\p menu
option. By pressing the F1 key from here you will chain back to the
\bFile\p menu help screen. This is because the category of this
context points back there.

.context Save As
.category File (pull down)
.topic Save As
Here is where you would put help text describing the \bSave As\p menu
option. By pressing the F1 key from here you will chain back to the
\bFile\p menu help screen. This is because the category of this
context points back there.

.context Boxes (pull down)
.context Help In Boxes
.category About HELPSAMP
.topic Boxes (pull down)
Use the choices on the BOXES pull-down to select miscellaneous
functions that will demontrate how to get help within dialog

boxes and message boxes.

\bDialog Box...\p \
Displays a dialog box
and its corresponding help button. Choosing HELP in the dialog box
will display dialog specific help.

\bMessage Box...\p \
Displays a message box
and its corresponding help button. Choosing HELP in the message box
will display message specific help.

.context Help In Dialog Boxes
.category Help In Boxes
.topic Help In Dialogs
This is the help text displayed when you highlight the \bDIALOG
BOXES\p menu choice under the \bBOXES\p menu choice and press the
F1 key. You can also display this text by choosing the Help
In Dialog Boxes entry in the INDEX listbox.

Choosing the \bDialog Box...\p menu entry will display a dialog
box with a help button. Pressing F1 when that dialog box is displayed
will display context sensitive help for that box.

.context Help In Message Boxes
.category Help In Boxes
.topic Help In Message Boxes
This is the help text displayed when you highlight the \bMessage
Box 1\p or \bMessage Box 2\p menu choice under the \bBOXES\p menu
choice and press the F1 key. You can also display this
text by choosing the Help In Message Boxes entry in the INDEX listbox.

Choosing the \bMessage Box 1...\p or \bMessage Box 2...\p menu entry
will display a message box with a help button. Pressing F1 when
that message box is displayed will display context sensitive help
for that box.

.context Message Box 1
.category Help In Message Boxes
.topic Box 1
Here is the help displayed when F1 is pressed (or pushbutton is
activated) in \bMessage Box 1\p.

Notice this help is \unot\p in the index of topics. It can only
be referenced by a direct call from your program. This is great
for error messages.

.context Message Box 2
.category Help In Message Boxes
.topic Box 2
Here is the help displayed when F1 is pressed (or pushbutton is
activated) in \bMessage Box 2\p.

Notice this help is \unot\p in the index of topics. It can only
be referenced by a direct call from your program. This is great
for error messages.

.context KEYS
.context Keystroke Help
.category About HELPSAMP
.topic Keys
The keys are arranged in groups. Use:

-\bsystem\p keys to switch between programs \
-\bwindow\p keys to move
around in a program window \
-\bpop-up window\p keys to select
and edit in pop-up windows.

When two keys are joined by a plus sign (+), it means that you should
hold down the first key while you press the second key.

SYSTEM KEYS

switch to next windowed program = \bAlt+tab\p or click on window

switch to next program (including full-screen programs) = \bAlt+Esc\p

switch to Task Manager = \bCtrl+Esc\p or double-click on icon


WINDOW KEYS

go to/from system menu = \bShift+Esc\p or Alt+spacebar

go to/from system menu of text window = \bShift+Esc\p or Alt

go to/from action bar = \bF10\p or Alt

move among choices on action bar and pulldowns = \barrow\p keys

move to choice on action bar = \bletter\p that is underlined in
choice name

select choice on pull-down = \bletter\p that is underlined in
choice name

scroll one line in list = \barrow\p keys or click on scroll bar
arrows

go to first item in list = \bHome\p

go to last item in list = \bEnd\p

go to next list entry whose name starts with a certain letter =
\bfirst letter of any entry name\p

scroll contents of window up one page = \bPage Up\p or F7 or click
on scroll bar above slider

scroll contents of window down one page = \bPage Down\p or F8 or
click on scroll bar below slider

scroll contents of window left one page = \bCtrl+Page Up\p, Shift+F7,
or click on scroll bar to left of slider

scroll contents of window right one page = \bCtrl+Page Down\p,
Shift+F8 or click on scroll bar to right of slider

move window = \bAlt+F7\p or drag window title bar

size window = \bAlt+F8\p or drag window border

minimize window = \bAlt+F9\p or click on "down arrow" icon

maximize window = \bAlt+F10\p or click on "up arrow" icon

restore window = \bAlt+F5\p or click on "double arrow" icon

close window = \bF3\p of Alt+F4 or double-click on system menu

get help = \bF1\p or hold mouse button down over choice and press F1

keys help (while in help) = \bF9\p or click on KEYS pushbutton

help index (while in help) = \bF11\p or click on INDEX pushbutton

go to/from help and program = \bAlt+F6\p or click on window


POP-UP WINDOW KEYS

move to another field in the group = \barrow\p keys or click on field

move to another group of field = \btab\p or click on group

set checkbox on/off = \bSpacebar\p or click on checkbox

remove pop-up window = \bEsc\p or click on CANCEL pushbutton

complete pop-up window = \bEnter\p or click on appropriate pushbutton


EDITING KEYS

beginning of field = \bHome\p or Ctrl+left arrow key

end of field = \bEnd\p or Ctrl+right arrow key

delete character to the right of the cursor = \bDel\p

delete character to the left of the cursor = \bLeft arrow delete\p
(backspace) key

erase to end of field = \bCtrl+Del\p

select text in a field = \bShift+arrow\p keys or drag

delete selected text completely = \bDel\p

delete selected text, but copy it to clipboard = \bShift+Del\p

copy selected text to clipboard = \bCtrl+Ins\p

copy selected text from clipboard to selected position =
\bShift+Ins\p

replace selected text with clipboard contents = \bShift+Ins\p

.context Colors in Help
.category About HELPSAMP
.topic Colors
You can highlight your help text in many ways using HELPLIB. Below
you will see examples of the different colors available:

NORMAL text looks like this

\bBOLD text shows up like this\p

\iITALICS text shows up like this\p

\uUNDERLINE text like this\p

\b\iThe combination of BOLD & ITALICS\p

Any other combination of \\b, \\i, and \\u will result in text
that you can't see!!

.context EOF



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