Defaulting open/save to .local/usr/share/gtk4 folder

user_config/usr/applications/<change_me>.desktop

@@ -1,11 +0,0 @@
-[Desktop Entry]
-Name=<change_me>
-GenericName=<change_me>
-Comment=<change_me>
-Exec=/bin/<change_me> %F
-Icon=/usr/share/<change_me>/icons/<change_me>.png
-Type=Application
-StartupNotify=true
-Categories=System;FileTools;Utility;Core;GTK;FileManager;
-MimeType=
-Terminal=false

user_config/usr/applications/gtkcodethemer.desktop

@@ -0,0 +1,11 @@
+[Desktop Entry]
+Name=Gtk Code Themer
+GenericName=Code Syntax Themer.
+Comment=A code syntax theming tool for Gtk Source View using tools.
+Exec=/bin/gtkcodethemer %F
+Icon=/usr/share/gtkcodethemer/icons/gtkcodethemer.png
+Type=Application
+StartupNotify=true
+Categories=System;Utility;Core;GTK;Code;IDE;Development
+MimeType=
+Terminal=false

user_config/usr/share/gtkcodethemer/Main_Window.glade

@@ -411,6 +411,7 @@
                             <property name="visible">True</property>
                             <property name="can-focus">True</property>
                             <property name="receives-default">True</property>
+                            <signal name="color-set" handler="on_style_changed" swapped="no"/>
                           </object>
                           <packing>
                             <property name="left-attach">1</property>
@@ -422,6 +423,7 @@
                             <property name="visible">True</property>
                             <property name="can-focus">True</property>
                             <property name="receives-default">True</property>
+                            <signal name="color-set" handler="on_style_changed" swapped="no"/>
                           </object>
                           <packing>
                             <property name="left-attach">1</property>
@@ -643,6 +645,15 @@
                     <property name="can-focus">True</property>
                     <property name="left-margin">2</property>
                     <property name="right-margin">2</property>
+                    <property name="monospace">True</property>
+                    <property name="show-line-numbers">True</property>
+                    <property name="show-line-marks">True</property>
+                    <property name="auto-indent">True</property>
+                    <property name="insert-spaces-instead-of-tabs">True</property>
+                    <property name="show-right-margin">True</property>
+                    <property name="smart-home-end">always</property>
+                    <property name="highlight-current-line">True</property>
+                    <property name="smart-backspace">True</property>
                   </object>
                   <packing>
                     <property name="expand">True</property>