Fix part of bug #7072 by opening undo groups as needed.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36597 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/frontends/qt4/GuiCompleter.cpp b/src/frontends/qt4/GuiCompleter.cpp
index 019c67a65ef6f4827abcca3a324468479e51c122..b20280cb4f977b45811f0f5de5a2803f4b430564 100644 (file)
--- a/src/frontends/qt4/GuiCompleter.cpp
+++ b/src/frontends/qt4/GuiCompleter.cpp
@@ -683,6 +683,7 @@ void GuiCompleter::tab()
        }
        
        // Make undo possible
+       cur.beginUndoGroup();
        cur.recordUndo();
 
        // If completion is active, at least complete by one character
@@ -696,11 +697,14 @@ void GuiCompleter::tab()
                hidePopup(cur);
                hideInline(cur);
                updateVisibility(false, false);
+               cur.endUndoGroup();
                return;
        }
        docstring nextchar = completion.substr(prefix.size(), 1);
-       if (!cur.inset().insertCompletion(cur, nextchar, false))
+       if (!cur.inset().insertCompletion(cur, nextchar, false)) {
+               cur.endUndoGroup();
                return;
+       }
        updatePrefix(cur);
 
        // try to complete as far as it is unique
@@ -720,6 +724,7 @@ void GuiCompleter::tab()
        // redraw if needed
        if (cur.result().screenUpdate())
                gui_->bufferView().processUpdateFlags(cur.result().screenUpdate());
+       cur.endUndoGroup();
 }
 
 
@@ -875,7 +880,8 @@ void GuiCompleter::popupActivated(const QString & completion)
 {
        Cursor cur = gui_->bufferView().cursor();
        cur.screenUpdateFlags(Update::None);
-       
+
+       cur.beginUndoGroup();
        cur.recordUndo();
 
        docstring prefix = cur.inset().completionPrefix(cur);
@@ -886,6 +892,7 @@ void GuiCompleter::popupActivated(const QString & completion)
        
        if (cur.result().screenUpdate())
                gui_->bufferView().processUpdateFlags(cur.result().screenUpdate());
+       cur.endUndoGroup();
 }