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Fix the synchronous export functionality

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- Handle the return value in a special helper function

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@40056 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Vincent van Ravesteijn 2011-10-29 11:14:47 +00:00
parent ef4f08daef
commit ab8a290040
1 changed files with 29 additions and 20 deletions
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49
src/frontends/qt4/GuiView.cpp
View File

@ -528,20 +528,9 @@ QVector<GuiWorkArea*> GuiView::GuiViewPrivate::guiWorkAreas()
return areas;
}
#if QT_VERSION >= 0x040400
void GuiView::processingThreadStarted()
static void handleExportStatus(GuiView * view, Buffer::ExportStatus status,
string const & format)
{
}
void GuiView::processingThreadFinished(bool show_errors)
{
QFutureWatcher<Buffer::ExportStatus> const * watcher =
static_cast<QFutureWatcher<Buffer::ExportStatus> const *>(sender());
Buffer::ExportStatus const status = watcher->result();
docstring msg;
switch (status) {
case Buffer::ExportSuccess:
@ -560,7 +549,24 @@ void GuiView::processingThreadFinished(bool show_errors)
msg = _("Error while previewing format: %1$s");
break;
}
message(bformat(msg, from_utf8(d.processing_format)));
view->message(bformat(msg, from_utf8(format)));
}
#if QT_VERSION >= 0x040400
void GuiView::processingThreadStarted()
{
}
void GuiView::processingThreadFinished(bool show_errors)
{
QFutureWatcher<Buffer::ExportStatus> const * watcher =
static_cast<QFutureWatcher<Buffer::ExportStatus> const *>(sender());
Buffer::ExportStatus const status = watcher->result();
handleExportStatus(this, status, d.processing_format);
updateToolbars();
if (show_errors) {
@ -3113,7 +3119,7 @@ bool GuiView::GuiViewPrivate::asyncBufferProcessing(
string format = argument;
if (format.empty())
format = used_buffer->params().getDefaultOutputFormat();
processing_format = format;
#if EXPORT_in_THREAD && (QT_VERSION >= 0x040400)
if (!msg.empty()) {
progress_->clearMessages();
@ -3126,21 +3132,24 @@ bool GuiView::GuiViewPrivate::asyncBufferProcessing(
used_buffer->clone(),
format);
setPreviewFuture(f);
processing_format = format;
last_export_format = used_buffer->params().bufferFormat();
(void) syncFunc;
(void) previewFunc;
// We are asynchronous, so we don't know here anything about the success
return true;
#else
Buffer::ExportStatus status;
if (syncFunc) {
// TODO check here if it breaks exporting with Qt < 4.4
return (used_buffer->*syncFunc)(format, true);
status = (used_buffer->*syncFunc)(format, true);
} else if (previewFunc) {
return (used_buffer->*previewFunc)(format, false);
}
status = (used_buffer->*previewFunc)(format);
} else
return false;
handleExportStatus(gv_, status, format);
(void) asyncFunc;
return false;
return (status == Buffer::ExportSuccess
|| status == Buffer::PreviewSuccess);
#endif
}