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Last change
on this file was
325,
checked in by pinsard, 17 years ago
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modification of some headers (+some corrections) to prepare usage of the new idldoc
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-
Property svn:eol-style set to
native
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Property svn:keywords set to
Id
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File size:
780 bytes
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| Line | |
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| 1 | ;+ |
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| 2 | ; |
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| 3 | ; @file_comments |
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| 4 | ; Find, from an Id of widget, the Id of the widget which is |
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| 5 | ; "the top-level base" (i.e., it has no parent) |
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| 6 | ; |
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| 7 | ; categories |
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| 8 | ; widget |
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| 9 | ; |
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| 10 | ; @param WIDGET_ID |
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| 11 | ; This argument should be the widget ID of the |
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| 12 | ; widget for which information is desired. |
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| 13 | ; |
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| 14 | ; @returns |
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| 15 | ; The Id of the widget which is "the top-level base" |
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| 16 | ; |
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| 17 | ; @history |
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| 18 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
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| 19 | ; 22/9/1999 |
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| 20 | ; |
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| 21 | ; @version |
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| 22 | ; $Id$ |
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| 23 | ; |
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| 24 | ;- |
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| 25 | FUNCTION findtopid, widget_id |
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| 26 | ; |
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| 27 | compile_opt idl2, strictarrsubs |
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| 28 | ; |
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| 29 | id = long(WIDGET_ID) |
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| 30 | ; exist = widget_info(id, /managed) |
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| 31 | ; if exist EQ 0 then return, -1 |
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| 32 | topid = id |
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| 33 | topid2 = id |
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| 34 | while topid2 NE 0 do begin |
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| 35 | topid = topid2 |
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| 36 | topid2 = widget_info(topid2, /parent) |
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| 37 | endwhile |
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| 38 | return, long(topid) |
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| 39 | end |
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