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

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36597 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Jean-Marc Lasgouttes 2010-11-29 16:38:13 +00:00
parent 87a0c25bc4
commit 940ab1261b
1 changed files with 9 additions and 2 deletions
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9
src/frontends/qt4/GuiCompleter.cpp
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@ -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();
}
@ -876,6 +881,7 @@ 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();
}