[LyX/master] GuiDelimiters: display at least (and at most?) 4 columns

[Guillaume Munch]

commit 6aceb3558aa40e9af6731010b90f8ae0f9d9c6cf
Author: Guillaume Munch <g...@lyx.org>
Date:   Tue May 10 18:47:27 2016 +0100

    GuiDelimiters: display at least (and at most?) 4 columns

diff --git a/src/frontends/qt4/GuiDelimiter.cpp 
b/src/frontends/qt4/GuiDelimiter.cpp
index 72e2296..94154f5 100644
--- a/src/frontends/qt4/GuiDelimiter.cpp
+++ b/src/frontends/qt4/GuiDelimiter.cpp
@@ -188,6 +188,9 @@ GuiDelimiter::GuiDelimiter(GuiView & lv)
        QFontMetrics fm(frontend::getFont(lyxfont));
        QSize item_size(fm.maxWidth(), fm.height() + 8);
 
+       leftLW->setMinimumWidth(5 * item_size.width());
+       rightLW->setMinimumWidth(5 * item_size.width());
+
        typedef map<char_type, QListWidgetItem *> ListItems;
        ListItems list_items;
        // The last element is the empty one.