Return ExportStatus from Buffer to GuiView

[lyx.git] / src / frontends / qt4 / GuiView.cpp

diff --git a/src/frontends/qt4/GuiView.cpp b/src/frontends/qt4/GuiView.cpp
index a75b1ae2c6f056123f8586bd7ad4d37a61ef680b..54cb368f8874ab4e999f32c9e56b7d2968b53f13 100644 (file)
--- a/src/frontends/qt4/GuiView.cpp
+++ b/src/frontends/qt4/GuiView.cpp
@@ -331,7 +331,7 @@ struct GuiView::GuiViewPrivate
        }
 
 #if (QT_VERSION >= 0x040400)
-       void setPreviewFuture(QFuture<docstring> const & f)
+       void setPreviewFuture(QFuture<Buffer::ExportStatus> const & f)
        {
                if (processing_thread_watcher_.isRunning()) {
                        // we prefer to cancel this preview in order to keep a snappy
@@ -382,30 +382,31 @@ public:
 #if (QT_VERSION >= 0x040400)
        ///
        QFutureWatcher<docstring> autosave_watcher_;
-       QFutureWatcher<docstring> processing_thread_watcher_;
+       QFutureWatcher<Buffer::ExportStatus> processing_thread_watcher_;
        ///
        string last_export_format;
+       string processing_format;
 #else
        struct DummyWatcher { bool isRunning(){return false;} };
        DummyWatcher processing_thread_watcher_;
 #endif
 
        static QSet<Buffer const *> busyBuffers;
-       static docstring previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
-       static docstring exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
-       static docstring compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
+       static Buffer::ExportStatus previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
+       static Buffer::ExportStatus exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
+       static Buffer::ExportStatus compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format);
        static docstring autosaveAndDestroy(Buffer const * orig, Buffer * buffer);
 
        template<class T>
-       static docstring runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format, string const & msg);
+       static Buffer::ExportStatus runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format, string const & msg);
 
        // TODO syncFunc/previewFunc: use bind
        bool asyncBufferProcessing(string const & argument,
                                   Buffer const * used_buffer,
                                   docstring const & msg,
-                                  docstring (*asyncFunc)(Buffer const *, Buffer *, string const &),
-                                  bool (Buffer::*syncFunc)(string const &, bool) const,
-                                  bool (Buffer::*previewFunc)(string const &) const);
+                                  Buffer::ExportStatus (*asyncFunc)(Buffer const *, Buffer *, string const &),
+                                  Buffer::ExportStatus (Buffer::*syncFunc)(string const &, bool) const,
+                                  Buffer::ExportStatus (Buffer::*previewFunc)(string const &) const);
 
        QVector<GuiWorkArea*> guiWorkAreas();
 };
@@ -537,9 +538,30 @@ void GuiView::processingThreadStarted()
 
 void GuiView::processingThreadFinished(bool show_errors)
 {
-       QFutureWatcher<docstring> const * watcher =
-               static_cast<QFutureWatcher<docstring> const *>(sender());
-       message(watcher->result());
+       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:
+               msg = _("Successful export to format: %1$s");
+               break;
+       case Buffer::ExportError:
+       case Buffer::ExportNoPathToFormat:
+       case Buffer::ExportTexPathHasSpaces:
+       case Buffer::ExportConverterError:
+               msg = _("Error while exporting format: %1$s");
+               break;
+       case Buffer::PreviewSuccess:
+               msg = _("Successful preview of format: %1$s");
+               break;
+       case Buffer::PreviewError:
+               msg = _("Error while previewing format: %1$s");
+               break;
+       }
+       message(bformat(msg, from_utf8(d.processing_format)));
+       
        updateToolbars();
        if (show_errors) {
                BufferView const * const bv = currentBufferView();
@@ -3017,43 +3039,36 @@ bool GuiView::goToFileRow(string const & argument)
 
 #if (QT_VERSION >= 0x040400)
 template<class T>
-docstring GuiView::GuiViewPrivate::runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format, string const & msg)
+Buffer::ExportStatus GuiView::GuiViewPrivate::runAndDestroy(const T& func, Buffer const * orig, Buffer * buffer, string const & format, string const & msg)
 {
-       bool const success = func(format);
+       Buffer::ExportStatus const status = func(format);
 
        // the cloning operation will have produced a clone of the entire set of
        // documents, starting from the master. so we must delete those.
        Buffer * mbuf = const_cast<Buffer *>(buffer->masterBuffer());
        delete mbuf;
        busyBuffers.remove(orig);
-       if (msg == "preview") {
-               return success
-                       ? bformat(_("Successful preview of format: %1$s"), from_utf8(format))
-                       : bformat(_("Error while previewing format: %1$s"), from_utf8(format));
-       }
-       return success
-               ? bformat(_("Successful export to format: %1$s"), from_utf8(format))
-               : bformat(_("Error while exporting format: %1$s"), from_utf8(format));
+       return status;
 }
 
 
-docstring GuiView::GuiViewPrivate::compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
+Buffer::ExportStatus GuiView::GuiViewPrivate::compileAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
 {
-       bool (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
+       Buffer::ExportStatus (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
        return runAndDestroy(bind(mem_func, buffer, _1, true), orig, buffer, format, "export");
 }
 
 
-docstring GuiView::GuiViewPrivate::exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
+Buffer::ExportStatus GuiView::GuiViewPrivate::exportAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
 {
-       bool (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
+       Buffer::ExportStatus (Buffer::* mem_func)(std::string const &, bool) const = &Buffer::doExport;
        return runAndDestroy(bind(mem_func, buffer, _1, false), orig, buffer, format, "export");
 }
 
 
-docstring GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
+Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * orig, Buffer * buffer, string const & format)
 {
-       bool(Buffer::* mem_func)(std::string const &) const = &Buffer::preview;
+       Buffer::ExportStatus (Buffer::* mem_func)(std::string const &) const = &Buffer::preview;
        return runAndDestroy(bind(mem_func, buffer, _1), orig, buffer, format, "preview");
 }
 
@@ -3061,24 +3076,24 @@ docstring GuiView::GuiViewPrivate::previewAndDestroy(Buffer const * orig, Buffer
 
 // not used, but the linker needs them
 
-docstring GuiView::GuiViewPrivate::compileAndDestroy(
+Buffer::ExportStatus GuiView::GuiViewPrivate::compileAndDestroy(
                Buffer const *, Buffer *, string const &)
 {
-       return docstring();
+       return Buffer::ExportSuccess;
 }
 
 
-docstring GuiView::GuiViewPrivate::exportAndDestroy(
+Buffer::ExportStatus GuiView::GuiViewPrivate::exportAndDestroy(
                Buffer const *, Buffer *, string const &)
 {
-       return docstring();
+       return Buffer::ExportSuccess;
 }
 
 
-docstring GuiView::GuiViewPrivate::previewAndDestroy(
+Buffer::ExportStatus GuiView::GuiViewPrivate::previewAndDestroy(
                Buffer const *, Buffer *, string const &)
 {
-       return docstring();
+       return Buffer::ExportSuccess;
 }
 
 #endif
@@ -3088,9 +3103,9 @@ bool GuiView::GuiViewPrivate::asyncBufferProcessing(
                           string const & argument,
                           Buffer const * used_buffer,
                           docstring const & msg,
-                          docstring (*asyncFunc)(Buffer const *, Buffer *, string const &),
-                          bool (Buffer::*syncFunc)(string const &, bool) const,
-                          bool (Buffer::*previewFunc)(string const &) const)
+                          Buffer::ExportStatus (*asyncFunc)(Buffer const *, Buffer *, string const &),
+                          Buffer::ExportStatus (Buffer::*syncFunc)(string const &, bool) const,
+                          Buffer::ExportStatus (Buffer::*previewFunc)(string const &) const)
 {
        if (!used_buffer)
                return false;
@@ -3105,12 +3120,13 @@ bool GuiView::GuiViewPrivate::asyncBufferProcessing(
                gv_->message(msg);
        }
        GuiViewPrivate::busyBuffers.insert(used_buffer);
-       QFuture<docstring> f = QtConcurrent::run(
+       QFuture<Buffer::ExportStatus> f = QtConcurrent::run(
                                asyncFunc,
                                used_buffer,
                                used_buffer->clone(),
                                format);
        setPreviewFuture(f);
+       processing_format = format;
        last_export_format = used_buffer->params().bufferFormat();
        (void) syncFunc;
        (void) previewFunc;