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On 20/01/2006, at 9:45 AM, Tim Kredlo wrote:
I have single choice field on a 5250 data entry screen. I change the initial select value programmatically prior to presenting the screen, and the radiobutton correctly shows the selection. However, whenever the field 'gets focus', the cursor moves to the first selection and changes its text toreverse image. This incorrectly indicates to the user that the first item isbeing selected, even though a different radio button shows the correct selection.
No it doesn't. Reverse-image indicates the cursor position (i.e., the entry that WILL be selected if the space-bar is used to make a selection). Selection is indicated by the selection indicator (in this case a radio button) if one is present or by highlight (not reverse-image) if *NOSLTIND is specified. Educate your users on correct interpretation of the visual feedback.
Question #1: Is there a way to position the cursor at the pre-selected choice? If so, how?
No. The 5250 data stream does not support a setting to position the cursor to a specific choice within a selection field. The only control you have is over field-to-field movement. You can either use the default (left-to-right and top-to-bottom) or specify the desired movement using the FLDCSRPRG keyword or force positioning to a specific field using DSPATR(PC) or one of the other DDS keywords that control cursor position on output.
midrange.com
I suppose you could use your knowledge of:
a) the field name
b) the selected choice
c) the display type
to determine the row and column on which the selected choice will start
and use the CSRLOC keyword to position the cursor to that choice--seems
overkill to me. Note that this will only affect the initial display and
will not help with controlling cursor movement via the Tab key.
Question #2: Is it possible to have the tab key move the cursor to the next'choice' selection? If so, how?
That's not how 5250 GUI interfaces work. Refer to section 2.5.18.1 of the Application Display Programming manual. Tab moves between fields, the arrow keys move between choices within a selection field. A single-choice selection field is a single field regardless of how many choices it may contain thus Tab moves into the field and out of the field. Menu-bar choices and multiple-choice selection fields are treated as separate fields so Tab moves between these choices. Cursor movement in the 5250 GUI is not the same as in WinDOS but it is consistent and accurately described in the Application Display Programming manual.
I know I can do this without using a 'SngChcFld', but I am hoping I am justmissing some attribute or keyword.
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