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| author | fvogel <fvogelnew1@free.fr> | 2012-05-17 14:30:38 (GMT) |
|---|---|---|
| committer | fvogel <fvogelnew1@free.fr> | 2012-05-17 14:30:38 (GMT) |
| commit | cafcca3b0e03646d116c2ab0583f566f3c674565 (patch) | |
| tree | 7bc1ad7d29414f00126f3f2adeadc7cc81183a81 /generic | |
| parent | 4b5b028a16729b1caae6ec89ee2e8673958ad127 (diff) | |
| download | tk-cafcca3b0e03646d116c2ab0583f566f3c674565.zip tk-cafcca3b0e03646d116c2ab0583f566f3c674565.tar.gz tk-cafcca3b0e03646d116c2ab0583f566f3c674565.tar.bz2 | |
[Bug 1630254]: missing scrolling of text widget when from a -startline == -endline initial state it is configured to display a non-empty part of it
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tkTextDisp.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/generic/tkTextDisp.c b/generic/tkTextDisp.c index d0cd4d2..13695e8 100644 --- a/generic/tkTextDisp.c +++ b/generic/tkTextDisp.c @@ -2005,8 +2005,21 @@ UpdateDisplayInfo( * widget. */ - lineNum = -1; - bytesToCount = 0; /* Stop compiler warning. */ + if (textPtr->start == textPtr->end) { + /* + * Empty peer widget. + */ + lineNum = -1; + bytesToCount = 0; /* Stop compiler warning. */ + } else { + /* + * Widget that was empty, but no longer is. + * (Bug 1630254) + */ + lineNum = TkBTreeNumLines(textPtr->sharedTextPtr->tree, + textPtr) - 1; + bytesToCount = INT_MAX; + } } else { lineNum = TkBTreeLinesTo(textPtr, dInfoPtr->dLinePtr->index.linePtr); |