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Disallow multiple concurrent previews as we are not ready for that.

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32603 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Abdelrazak Younes 2009-12-20 15:43:52 +00:00
parent 05264e38bc
commit 363809c7e0
1 changed files with 5 additions and 2 deletions
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7
src/frontends/qt4/GuiView.cpp
View File

@ -268,6 +268,8 @@ struct GuiView::GuiViewPrivate
void setPreviewFuture(QFuture<docstring> const & f) void setPreviewFuture(QFuture<docstring> const & f)
{ {
if (preview_watcher_.isRunning())
preview_watcher_.waitForFinished();
preview_watcher_.setFuture(f); preview_watcher_.setFuture(f);
connect(&preview_watcher_, SIGNAL(finished()), gv_, connect(&preview_watcher_, SIGNAL(finished()), gv_,
SLOT(threadFinished())); SLOT(threadFinished()));
@ -1312,12 +1314,13 @@ bool GuiView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
case LFUN_MASTER_BUFFER_UPDATE: case LFUN_MASTER_BUFFER_UPDATE:
case LFUN_MASTER_BUFFER_VIEW: case LFUN_MASTER_BUFFER_VIEW:
enable = doc_buffer && doc_buffer->parent() != 0; enable = doc_buffer && doc_buffer->parent() != 0
&& !d.preview_watcher_.isRunning();
break; break;
case LFUN_BUFFER_UPDATE: case LFUN_BUFFER_UPDATE:
case LFUN_BUFFER_VIEW: { case LFUN_BUFFER_VIEW: {
if (!doc_buffer) { if (!doc_buffer || d.preview_watcher_.isRunning()) {
enable = false; enable = false;
break; break;
} }