diff --git a/.gitignore b/.gitignore
index 5d70c70..1e7aad7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-**/*.pyc
\ No newline at end of file
+**/*.pyc
+**/tags.*
\ No newline at end of file
diff --git a/gemgraph/__pycache__/__init__.cpython-310.pyc b/gemgraph/__pycache__/__init__.cpython-310.pyc
index 49346e5..e656f64 100644
Binary files a/gemgraph/__pycache__/__init__.cpython-310.pyc and b/gemgraph/__pycache__/__init__.cpython-310.pyc differ
diff --git a/gemgraph/__pycache__/main.cpython-310.pyc b/gemgraph/__pycache__/main.cpython-310.pyc
index 3110da2..5eb8c56 100644
Binary files a/gemgraph/__pycache__/main.cpython-310.pyc and b/gemgraph/__pycache__/main.cpython-310.pyc differ
diff --git a/gemgraph/__pycache__/window.cpython-310.pyc b/gemgraph/__pycache__/window.cpython-310.pyc
index cac39f7..b020bc2 100644
Binary files a/gemgraph/__pycache__/window.cpython-310.pyc and b/gemgraph/__pycache__/window.cpython-310.pyc differ
diff --git a/gemgraph/window.py b/gemgraph/window.py
index 448044b..1abd0c8 100644
--- a/gemgraph/window.py
+++ b/gemgraph/window.py
@@ -35,9 +35,9 @@ class AboutDialog(Gtk.AboutDialog):
     def __init__(self, parent):
         Gtk.AboutDialog.__init__(self)
         self.props.program_name = 'GemGraph'
-        self.props.version = "0.1.0"
-        self.props.authors = ['Adrien Bourmault']
-        self.props.copyright = '2022 Adrien Bourmault'
-        self.props.logo_icon_name = 'org.example.App'
+        self.props.version = "0.0.1"
+        self.props.authors = ['Adrien Bourmault', 'Jean Sirmai']
+        self.props.copyright = 'Copyright © 2022 Libre en Communs'
+        self.props.logo_icon_name = 'application-x-executable'
         self.props.modal = True
         self.set_transient_for(parent)
diff --git a/ui/gemgraph.cmb b/ui/gemgraph.cmb
index 6890133..f32aa7b 100644
--- a/ui/gemgraph.cmb
+++ b/ui/gemgraph.cmb
@@ -2,7 +2,7 @@
 <!DOCTYPE cambalache-project SYSTEM "cambalache-project.dtd">
 <cambalache-project version="0.10.2" target_tk="gtk-4.0">
   <ui>
-	(1,1,"gem-graph.ui","gem-graph.ui",None,None,None,None,None,None)
+	(1,1,"gem-graph.ui","gemgraph.ui",None,None,None,None,None,None)
   </ui>
   <object>
 	(1,1,"GtkApplicationWindow","main",None,None,None,None,None),
@@ -22,6 +22,8 @@
 	(1,3,"GtkMenuButton","direction","none",None,None,None,None,None),
 	(1,6,"GtkButton","icon-name","sidebar-show-symbolic",None,None,None,None,None),
 	(1,7,"GtkPaned","position","250",None,None,None,None,None),
+	(1,8,"GtkWidget","opacity","0.0",None,None,None,None,None),
+	(1,9,"GtkWidget","opacity","0.0",None,None,None,None,None),
 	(1,10,"GtkMenuButton","always-show-arrow","True",None,None,None,None,None),
 	(1,10,"GtkMenuButton","icon-name","document-edit-symbolic",None,None,None,None,None)
   </object_property>
diff --git a/ui/gemgraph.ui b/ui/gemgraph.ui
index a056142..e889dba 100644
--- a/ui/gemgraph.ui
+++ b/ui/gemgraph.ui
@@ -8,24 +8,36 @@
     <property name="default-height">720</property>
     <property name="default-width">1080</property>
     <property name="icon-name">application-x-executable</property>
-    <property name="title">Gem-graph 0.0.1</property>
+    <property name="title">GemGraph 0.0.1</property>
     <child type="titlebar">
       <object class="AdwHeaderBar" id="main_titlebar">
         <child type="end">
           <object class="GtkMenuButton" id="main_button_menu">
             <property name="direction">none</property>
+            <property name="menu-model">main_menu</property>
           </object>
         </child>
         <child type="start">
           <object class="GtkMenuButton" id="main_button_mode">
             <property name="always-show-arrow">True</property>
+            <property name="use-underline">True</property>
+            <property name="tooltip-text" translatable="yes">Change session mode</property>
             <property name="icon-name">document-edit-symbolic</property>
+            <property name="menu-model">mode_menu</property>
           </object>
         </child>
         <child>
           <object class="GtkToggleButton" id="main_button_sidebar">
             <property name="icon-name">sidebar-show-symbolic</property>
+            <property name="tooltip-text" translatable="yes">Display/hide sidebar</property>
           </object>
+          <!-- <object class="GtkLabel" id="is_modified"> -->
+          <!--   <property name="halign">end</property> -->
+          <!--   <property name="hexpand">true</property> -->
+          <!--   <property name="label">•</property> -->
+          <!--   <property name="margin-end">6</property> -->
+          <!--   <property name="visible">true</property> -->
+          <!-- </object> -->
         </child>
       </object>
     </child>
@@ -33,12 +45,52 @@
       <object class="GtkPaned" id="main_paned">
         <property name="position">250</property>
         <child>
-          <object class="GtkFrame" id="main_sideframe"/>
+          <object class="GtkFrame" id="main_sideframe">
+            <property name="opacity">0.0</property>
+          </object>
         </child>
         <child>
-          <object class="GtkFrame" id="main_frame"/>
+          <object class="GtkFrame" id="main_frame">
+            <property name="opacity">0.0</property>
+          </object>
         </child>
       </object>
     </child>
   </template>
+
+<menu id="main_menu">
+    <section>
+      <item>
+        <attribute name="label" translatable="yes">_Preferences</attribute>
+        <attribute name="action">app.preferences</attribute>
+      </item>
+      <item>
+        <attribute name="label" translatable="yes">_Keyboard Shortcuts</attribute>
+        <attribute name="action">win.show-help-overlay</attribute>
+      </item>
+      <item>
+        <attribute name="label" translatable="yes">_About GemGraph</attribute>
+        <attribute name="action">app.about</attribute>
+      </item>
+    </section>
+</menu>
+<menu id="mode_menu">
+    <section>
+
+      <attribute name="label" translatable="yes">Switch session mode</attribute>
+
+      <item>
+        <attribute name="label" translatable="yes">_Edit</attribute>
+	<attribute name="action">app.switch_to_edit</attribute>
+      </item>
+      <item>
+        <attribute name="label" translatable="yes">_Run</attribute>
+	<attribute name="action">app.switch_to_run</attribute>
+      </item>
+      <item>
+        <attribute name="label" translatable="yes">_Presentation</attribute>
+	<attribute name="action">app.switch_to_presentation</attribute>
+      </item>
+    </section>
+</menu>
 </interface>