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also build with older Qt versions

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@32612 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Peter Kümmel 2009-12-22 10:42:34 +00:00
parent 1e7c296557
commit eb3fcca0e7
1 changed files with 6 additions and 0 deletions
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6
src/frontends/qt4/GuiView.cpp
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@ -107,6 +107,7 @@
#define EXPORT_in_THREAD 1
// QtConcurrent was introduced in Qt 4.4
#if (QT_VERSION >= 0x040400)
#include <QFuture>
@ -270,6 +271,7 @@ struct GuiView::GuiViewPrivate
return tabWorkArea(0);
}
#if (QT_VERSION >= 0x040400)
void setPreviewFuture(QFuture<docstring> const & f)
{
if (preview_watcher_.isRunning())
@ -278,6 +280,7 @@ struct GuiView::GuiViewPrivate
connect(&preview_watcher_, SIGNAL(finished()), gv_,
SLOT(threadFinished()));
}
#endif
public:
GuiView * gv_;
@ -320,6 +323,9 @@ public:
///
QFutureWatcher<docstring> autosave_watcher_;
QFutureWatcher<docstring> preview_watcher_;
#else
struct DummyWatcher { bool isRunning(){return false;} };
DummyWatcher preview_watcher_;
#endif
};