[gnome-text-editor] preferences: add preference to disable session

[Christian Hergert <chergert src gnome org>]

commit fdc7982e86710d8ad3bcb47ac00ad79ed840ab64
Author: Christian Hergert <chergert redhat com>
Date:   Thu Oct 7 17:35:45 2021 -0700

    preferences: add preference to disable session
    
    This will disable reloading of session at startup, similar to the
    --ignore-session command line option.
    
    Fixes #161

 data/org.gnome.TextEditor.gschema.xml |  5 +++++
 src/editor-application.c              |  6 ++++--
 src/editor-window.ui                  | 12 ++++++++++++
 3 files changed, 21 insertions(+), 2 deletions(-)
---
diff --git a/data/org.gnome.TextEditor.gschema.xml b/data/org.gnome.TextEditor.gschema.xml
index 7f3bc1b..2126dad 100644
--- a/data/org.gnome.TextEditor.gschema.xml
+++ b/data/org.gnome.TextEditor.gschema.xml
@@ -91,5 +91,10 @@
       <summary>Automatically check spelling</summary>
       <description>If enabled, then Text Editor will check spelling as you type.</description>
     </key>
+    <key name="restore-session" type="b">
+      <default>true</default>
+      <summary>Restore session</summary>
+      <description>When Text Editor is run, restore the previous session.</description>
+    </key>
   </schema>
 </schemalist>
diff --git a/src/editor-application.c b/src/editor-application.c
index eb93afc..25ae819 100644
--- a/src/editor-application.c
+++ b/src/editor-application.c
@@ -159,8 +159,6 @@ editor_application_startup (GApplication *application)
   gtk_application_set_accels_for_action (GTK_APPLICATION (self), "app.quit", quit_accels);
   gtk_application_set_accels_for_action (GTK_APPLICATION (self), "app.help", help_accels);
 
-  self->settings = g_settings_new ("org.gnome.TextEditor");
-
   _editor_application_actions_init (self);
 
   style_manager = adw_style_manager_get_default ();
@@ -264,8 +262,12 @@ static const GOptionEntry entries[] = {
 static void
 editor_application_init (EditorApplication *self)
 {
+  self->settings = g_settings_new ("org.gnome.TextEditor");
   self->session = _editor_session_new ();
+
   editor_session_set_auto_save (self->session, TRUE);
+  if (!g_settings_get_boolean (self->settings, "restore-session"))
+    _editor_session_set_restore_pages (self->session, FALSE);
 
   g_application_add_main_option_entries (G_APPLICATION (self), entries);
 }
diff --git a/src/editor-window.ui b/src/editor-window.ui
index bbbc840..423053d 100644
--- a/src/editor-window.ui
+++ b/src/editor-window.ui
@@ -213,6 +213,18 @@ Or, press Ctrl+W to close the window.</property>
                         </child>
                       </object>
                     </child>
+                    <child>
+                      <object class="AdwPreferencesGroup">
+                        <property name="title" translatable="yes">Behavior</property>
+                        <property name="margin-top">24</property>
+                        <child>
+                          <object class="EditorPreferencesSwitch" id="session">
+                            <property name="title" translatable="yes">Restore Session</property>
+                            <property name="schema-key">restore-session</property>
+                          </object>
+                        </child>
+                      </object>
+                    </child>
                     <child>
                       <object class="AdwPreferencesGroup">
                         <property name="title" translatable="yes">Font</property>