[gnome-calculator] Added F10 shortcut for primary menu (fixes #148)

[Robert Roth <robertroth src gnome org>]

commit c86803282ad7411b93886a1c7dfebf393386c0a8
Author: Robert Roth <robert roth off gmail com>
Date:   Thu Jan 23 22:22:18 2020 +0200

    Added F10 shortcut for primary menu (fixes #148)

 src/math-shortcuts.ui | 11 +++++++++--
 src/math-window.ui    |  8 +++++++-
 2 files changed, 16 insertions(+), 3 deletions(-)
---
diff --git a/src/math-shortcuts.ui b/src/math-shortcuts.ui
index 04e03bc8..df91ac11 100644
--- a/src/math-shortcuts.ui
+++ b/src/math-shortcuts.ui
@@ -8,7 +8,7 @@
       <object class="GtkShortcutsSection">
         <property name="visible">1</property>
         <property name="section-name">shortcuts</property>
-        <property name="max-height">13</property>
+        <property name="max-height">14</property>
         <child>
           <object class="GtkShortcutsGroup">
             <property name="visible">1</property>
@@ -38,7 +38,14 @@
               <object class="GtkShortcutsShortcut">
                 <property name="visible">1</property>
                 <property name="accelerator">F1</property>
-                <property name="title" translatable="yes" context="shortcut window">Open help</property>
+                <property name="title" translatable="yes" context="shortcut window">Show help</property>
+              </object>
+            </child>
+            <child>
+              <object class="GtkShortcutsShortcut">
+                <property name="visible">1</property>
+                <property name="accelerator">F10</property>
+                <property name="title" translatable="yes" context="shortcut window">Open menu</property>
               </object>
             </child>
             <child>
diff --git a/src/math-window.ui b/src/math-window.ui
index c0e4f9c6..0d9cf81d 100644
--- a/src/math-window.ui
+++ b/src/math-window.ui
@@ -112,7 +112,7 @@
             <property name="menu_model">window_menu</property>
             <child internal-child="accessible">
               <object class="AtkObject">
-                <property name="accessible-name" translatable="yes">Menu</property>
+                <property name="accessible-name" translatable="yes">Mode selection</property>
               </object>
             </child>
             <child>
@@ -156,6 +156,12 @@
             <property name="can_focus">False</property>
             <property name="receives_default">False</property>
             <property name="menu_model">primary_menu</property>
+            <accelerator key="F10" signal="clicked"/>
+            <child internal-child="accessible">
+              <object class="AtkObject">
+                <property name="accessible-name" translatable="yes">Primary menu</property>
+              </object>
+            </child>
             <child>
               <object class="GtkImage">
                 <property name="visible">True</property>