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gitk: Fix "wrong # coordinates" error on reload

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This fixes the Tk error "wrong # coordinates: expected 0 or 4, got 2"
that sometimes occurred when reloading.  The problem was that we didn't
unset the variables containing the canvas item id numbers for the
displayed rows when we cleared the canvases.  Thus make_secsel would
think it had something to do when it didn't.

Thanks to Michele Ballabio for finding a way to trigger the bug
reliably.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras 2008-05-19 09:48:45 +10:00
parent 08ba820fd7
commit 94503a66c5
1 changed files with 4 additions and 0 deletions
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@ -5125,10 +5125,14 @@ proc drawvisible {} {
proc clear_display {} {
global iddrawn linesegs need_redisplay nrows_drawn
global vhighlights fhighlights nhighlights rhighlights
global linehtag linentag linedtag
allcanvs delete all
catch {unset iddrawn}
catch {unset linesegs}
catch {unset linehtag}
catch {unset linentag}
catch {unset linedtag}
catch {unset vhighlights}
catch {unset fhighlights}
catch {unset nhighlights}