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Fix the infinite loop when automatically closing the view after a on_lastWorkAreaRemoved() signal was received.

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In this case, all workareas are closed, but the tabworkarea still exists.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@30521 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Vincent van Ravesteijn 2009-07-12 20:42:14 +00:00
parent e9d19b82d4
commit 1bce8f15af
1 changed files with 11 additions and 2 deletions
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13
src/frontends/qt4/GuiView.cpp
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@ -538,12 +538,21 @@ void GuiView::closeEvent(QCloseEvent * close_event)
GuiWorkArea * active_wa = currentMainWorkArea();
setCurrentWorkArea(active_wa);
// We might be in a situation that there is still a tabWorkArea, but
// there are no tabs anymore. This can happen when we get here after a
// TabWorkArea::lastWorkAreaRemoved() signal. Therefore we count how
// many TabWorkArea's have no documents anymore.
int empty_twa = 0;
// We have to call count() each time, because it can happen that
// more than one splitter will disappear in one iteration (bug 5998).
for (; d.splitter_->count(); ) {
TabWorkArea * twa = d.tabWorkArea(0);
for (; d.splitter_->count() > empty_twa; ) {
TabWorkArea * twa = d.tabWorkArea(empty_twa);
int twa_count = twa->count();
if (twa->count() == 0)
++empty_twa;
for (; twa_count; --twa_count) {
twa->setCurrentIndex(twa_count-1);