Last change
on this file since 2 was
2,
checked in by opalod, 22 years ago
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Initial revision
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Property svn:eol-style set to
native
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Property svn:executable set to
*
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Property svn:keywords set to
Author Date Id Revision
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File size:
1.2 KB
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[2] | 1 | ;------------------------------------------------------------ |
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| 2 | ;------------------------------------------------------------ |
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| 3 | ;------------------------------------------------------------ |
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| 4 | ;+ |
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| 5 | ; NAME: findtopid |
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| 6 | ; |
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| 7 | ; PURPOSE: retrouve a partir d''un Id de widget l'Id du widget qui est |
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| 8 | ; "the top-level base" (i.e., it has no parent) |
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| 9 | ; |
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| 10 | ; CATEGORY: aide pour les widgets |
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| 11 | ; |
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| 12 | ; CALLING SEQUENCE: res=findtopid(Widget_ID) |
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| 13 | ; |
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| 14 | ; INPUTS: Widget_ID: this argument should be the widget ID of the |
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| 15 | ; widget for which information is desired. |
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| 16 | ; |
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| 17 | ; KEYWORD PARAMETERS: |
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| 18 | ; |
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| 19 | ; OUTPUTS: l'Id du widget qui est "the top-level base" |
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| 20 | ; |
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| 21 | ; COMMON BLOCKS: |
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| 22 | ; |
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| 23 | ; SIDE EFFECTS: |
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| 24 | ; |
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| 25 | ; RESTRICTIONS: |
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| 26 | ; |
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| 27 | ; EXAMPLE: |
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| 28 | ; |
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| 29 | ; MODIFICATION HISTORY:Sebastien Masson (smasson@lodyc.jussieu.fr) |
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| 30 | ; 22/9/1999 |
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| 31 | ;- |
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| 32 | ;------------------------------------------------------------ |
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| 33 | ;------------------------------------------------------------ |
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| 34 | ;------------------------------------------------------------ |
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| 35 | FUNCTION findtopid, identite |
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| 36 | id = long(identite) |
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| 37 | ; exist = widget_info(id, /managed) |
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| 38 | ; if exist EQ 0 then return, -1 |
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| 39 | topid = id |
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| 40 | topid2 = id |
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| 41 | while topid2 NE 0 do begin |
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| 42 | topid = topid2 |
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| 43 | topid2 = widget_info(topid2, /parent) |
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| 44 | endwhile |
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| 45 | return, long(topid) |
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| 46 | end |
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