Accessing Terminals
Developing TACL Programs
2–30 107365 Tandem Computers Incorporated
Implementing Menus You can use TACL to define menus. A menu displays a screen and allows users to
press function keys to access information and utilities.
Use the text variable in Figure 2-14, menu, to generate a menu. The user can press
function keys to start applications and utilities. Note that the menu text could be
displayed by individual #OUTPUT calls within the #LOOP function; setting
displayvar to the display text avoids multiple #OUTPUT calls. To run this code,
load the file that contains the code and type menu.
Figure 2-14. Displaying a Menu (Page 1 of 2)
?SECTION menu TEXT
#FRAME
[#PUSH prompt prompt1 prompt2 fkey temp temp2
displayvar done
]
#PUSH #OUTFORMAT == Save the current value
#SET #OUTFORMAT PRETTY
#SET done 0
#SET prompt Please select a function key:~_~_
#SET prompt1 Type file name, followed by <return> :~_~_
#SET prompt2 Type printer name ($S.#AD is the default) :~_~_
[#APPENDV displayvar
"**************************************************
~_
~_
~_
TANDEM APPLICATION MENU
~_
F1 PSMail
F2 TEDIT
F3 TGAL Document Processor
F4 Peruse
F5 TFORM Document Processor
~_
~_
~_
~_
~_
~_
~_
SF1 Exit to TACL
SF16 Log off
~_
Version III 6/92
**************************************************"
]
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