[moserial] add the cut/copy/paste accelerator keys

[Michael J. Chudobiak <mjc src gnome org>]

commit f5c42477cad4814de4406dfa37986d33cbcf1ca8
Author: Michael J. Chudobiak <mjc avtechpulse com>
Date:   Wed Jan 27 16:19:41 2021 -0500

    add the cut/copy/paste accelerator keys

 data/ui/mainwindow.ui | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/data/ui/mainwindow.ui b/data/ui/mainwindow.ui
index 5a90439..5aede64 100644
--- a/data/ui/mainwindow.ui
+++ b/data/ui/mainwindow.ui
@@ -97,6 +97,7 @@
                         <property name="can-focus">False</property>
                         <property name="label" translatable="yes">Cut</property>
                         <property name="use-underline">True</property>
+                        <accelerator key="x" signal="activate" modifiers="GDK_CONTROL_MASK"/>
                       </object>
                     </child>
                     <child>
@@ -105,6 +106,7 @@
                         <property name="can-focus">False</property>
                         <property name="label" translatable="yes">Copy</property>
                         <property name="use-underline">True</property>
+                        <accelerator key="c" signal="activate" modifiers="GDK_CONTROL_MASK"/>
                       </object>
                     </child>
                     <child>
@@ -113,6 +115,7 @@
                         <property name="can-focus">False</property>
                         <property name="label" translatable="yes">Paste</property>
                         <property name="use-underline">True</property>
+                        <accelerator key="v" signal="activate" modifiers="GDK_CONTROL_MASK"/>
                       </object>
                     </child>
                     <child>