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

diff --git a/src/frontends/qt4/GuiDocument.cpp b/src/frontends/qt4/GuiDocument.cpp
index b80348a1435d4ff4ce4a241ff08290c734cd2f79..732c8430c85e2732b7d980f6de8343830e6219f1 100644 (file)
--- a/src/frontends/qt4/GuiDocument.cpp
+++ b/src/frontends/qt4/GuiDocument.cpp
@@ -50,6 +50,7 @@
 #include "qt_helpers.h"
 #include "Spacing.h"
 #include "TextClass.h"
+#include "Undo.h"
 
 #include "insets/InsetListingsParams.h"
 
@@ -1470,6 +1471,7 @@ QString GuiDocument::validateListingsParameters()
 {
        // use a cache here to avoid repeated validation
        // of the same parameters
+       // FIXME THREAD
        static string param_cache;
        static QString msg_cache;
 
@@ -1487,6 +1489,7 @@ QString GuiDocument::validateListingsParameters()
 
 void GuiDocument::setListingsMessage()
 {
+       // FIXME THREAD
        static bool isOK = true;
        QString msg = validateListingsParameters();
        if (msg.isEmpty()) {
@@ -2491,7 +2494,7 @@ void GuiDocument::updateDefaultFormat()
        if (idx >= 0) {
                string const classname = fromqstr(latexModule->classCO->getData(idx));
                param_copy.setBaseClass(classname);
-               param_copy.makeDocumentClass();
+               param_copy.makeDocumentClass(true);
        }
        outputModule->defaultFormatCO->blockSignals(true);
        outputModule->defaultFormatCO->clear();
@@ -3679,6 +3682,11 @@ static void dispatch_bufferparams(Dialog const & dialog,
 
 void GuiDocument::dispatchParams()
 {
+       // We need a non-const buffer object.
+       Buffer & buf = const_cast<BufferView *>(bufferview())->buffer();
+       // There may be several undo records; group them (bug #8998)
+       buf.undo().beginUndoGroup();
+
        // This must come first so that a language change is correctly noticed
        setLanguage();
 
@@ -3748,6 +3756,10 @@ void GuiDocument::dispatchParams()
        // If we used an LFUN, we would not need these two lines:
        BufferView * bv = const_cast<BufferView *>(bufferview());
        bv->processUpdateFlags(Update::Force | Update::FitCursor);
+
+       // Don't forget to close the group. Note that it is important
+       // to check that there is no early return in the method.
+       buf.undo().endUndoGroup();
 }