[LyX/2.2.x] Accessibility of document class combo box (#10035)

[Guillaume Munch]

commit bca4965dd8e93f76ffcb83ec92116955eee57cd1
Author: Guillaume Munch <g...@lyx.org>
Date:   Fri Jul 8 12:29:26 2016 +0200

    Accessibility of document class combo box (#10035)
    
    * Access it with tab
    
    * Access it with the accelerator from the title of the group
    
    (cherry picked from commit 3e6df9796352dd8574b05934082faff0afe3f44c)
---
 src/frontends/qt4/CategorizedCombo.cpp |    1 -
 src/frontends/qt4/ui/LaTeXUi.ui        |   19 ++++++++++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/frontends/qt4/CategorizedCombo.cpp 
b/src/frontends/qt4/CategorizedCombo.cpp
index b52172d..8e4fc64 100644
--- a/src/frontends/qt4/CategorizedCombo.cpp
+++ b/src/frontends/qt4/CategorizedCombo.cpp
@@ -348,7 +348,6 @@ CategorizedCombo::CategorizedCombo(QWidget * parent)
        : QComboBox(parent), d(new Private(this))
 {
        setSizeAdjustPolicy(QComboBox::AdjustToContents);
-       setFocusPolicy(Qt::ClickFocus);
        setMinimumWidth(sizeHint().width());
        setMaxVisibleItems(100);
 
diff --git a/src/frontends/qt4/ui/LaTeXUi.ui b/src/frontends/qt4/ui/LaTeXUi.ui
index 0302063..6bac8df 100644
--- a/src/frontends/qt4/ui/LaTeXUi.ui
+++ b/src/frontends/qt4/ui/LaTeXUi.ui
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
  <class>LaTeXUi</class>
  <widget class="QWidget" name="LaTeXUi">
@@ -211,7 +212,7 @@
  </widget>
  <customwidgets>
   <customwidget>
-   <class>CategorizedCombo</class>
+   <class>lyx::frontend::CategorizedCombo</class>
    <extends>QComboBox</extends>
    <header>CategorizedCombo.h</header>
   </customwidget>
@@ -250,5 +251,21 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>groupBox</sender>
+   <signal>clicked()</signal>
+   <receiver>classCO</receiver>
+   <slot>setFocus()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>160</x>
+     <y>33</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>160</x>
+     <y>47</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
 </ui>