Application menu fallback button

libdino/src/entity/message.vala

@@ -24,7 +24,7 @@ public class Message : Object {
         UNKNOWN
     }
 
-    public int? id { get; set; }
+    public int id { get; set; default = -1; }
     public Account account { get; set; }
     public Jid? counterpart { get; set; }
     public Jid? ourpart { get; set; }
@@ -49,7 +49,6 @@ public class Message : Object {
     private Database? db;
 
     public Message(string? body) {
-        this.id = -1;
         this.body = body;
     }
 
@@ -75,6 +74,8 @@ public class Message : Object {
     }
 
     public void persist(Database db) {
+        if (id != -1) return;
+
         this.db = db;
         Qlite.InsertBuilder builder = db.message.insert()
             .value(db.message.account_id, account.id)

libdino/src/service/message_processor.vala

@@ -36,7 +36,6 @@ public class MessageProcessor : StreamInteractionModule, Object {
     public void send_message(string text, Conversation conversation) {
         Entities.Message message = create_out_message(text, conversation);
         stream_interactor.get_module(MessageStorage.IDENTITY).add_message(message, conversation);
-        message.persist(db);
         send_xmpp_message(message, conversation);
         message_sent(message, conversation);
     }

main/data/conversation_list_titlebar.ui

@@ -2,6 +2,7 @@
 <interface>
     <template class="DinoUiConversationListTitlebar" parent="GtkHeaderBar">
         <property name="hexpand">False</property>
+        <property name="show_close_button">True</property>
         <property name="visible">True</property>
         <style>
             <class name="left_toolbar"/>

main/src/ui/application.vala

@@ -12,6 +12,7 @@ public class Dino.Ui.Application : Dino.Application {
         notifications = new Notifications(stream_interaction);
         notifications.start();
         Environment.set_application_name("Dino");
+        Gtk.Window.set_default_icon_name("dino");
         IconTheme.get_default().add_resource_path("/org/dino-im/icons");
 
         activate.connect(() => {

main/src/ui/unified_window.vala

@@ -14,9 +14,9 @@ public class UnifiedWindow : Window {
     private ConversationSelector.View filterable_conversation_list;
     private ConversationSummary.View conversation_frame;
     private ConversationTitlebar conversation_titlebar;
+    private HeaderBar placeholder_headerbar = new HeaderBar() { title="Dino", show_close_button=true, visible=true };
     private Paned headerbar_paned = new Paned(Orientation.HORIZONTAL) { visible=true };
     private Paned paned = new Paned(Orientation.HORIZONTAL) { visible=true };
-    private Stack headerbar_stack = new Stack() { visible=true };
     private Stack stack = new Stack() { visible=true };
 
     private StreamInteractor stream_interactor;
@@ -83,6 +83,19 @@ public class UnifiedWindow : Window {
         conversation_list_titlebar = new ConversationListTitlebar(this, stream_interactor) { visible=true };
         headerbar_paned.add1(conversation_list_titlebar);
         headerbar_paned.add2(conversation_titlebar);
+
+        // Distribute start/end decoration_layout buttons to left/right headerbar. Ensure app menu fallback.
+        Gtk.Settings? gtk_settings = Gtk.Settings.get_default();
+        if (gtk_settings != null) {
+            if (!gtk_settings.gtk_decoration_layout.contains("menu")) {
+                gtk_settings.gtk_decoration_layout = "menu:" + gtk_settings.gtk_decoration_layout;
+            }
+            string[] decoration_layout = gtk_settings.gtk_decoration_layout.split(":");
+            if (decoration_layout.length == 2) {
+                conversation_list_titlebar.decoration_layout = decoration_layout[0] + ":";
+                conversation_titlebar.decoration_layout = ":" + decoration_layout[1];
+            }
+        }
     }
 
     private void setup_stack() {
@@ -90,23 +103,19 @@ public class UnifiedWindow : Window {
         stack.add_named(accounts_placeholder, "accounts_placeholder");
         stack.add_named(conversations_placeholder, "conversations_placeholder");
         add(stack);
-
-        headerbar_stack.add_named(headerbar_paned, "main");
-        headerbar_stack.add_named(new HeaderBar() { title="Dino", show_close_button=true, visible=true }, "placeholder");
-        set_titlebar(headerbar_stack);
     }
 
     private void check_stack(bool know_exists = false) {
         ArrayList<Account> accounts = stream_interactor.get_accounts();
         if (!know_exists && accounts.size == 0) {
             stack.set_visible_child_name("accounts_placeholder");
-            headerbar_stack.set_visible_child_name("placeholder");
+            set_titlebar(placeholder_headerbar);
         } else if (stream_interactor.get_module(ConversationManager.IDENTITY).get_active_conversations().size == 0) {
             stack.set_visible_child_name("conversations_placeholder");
-            headerbar_stack.set_visible_child_name("placeholder");
+            set_titlebar(placeholder_headerbar);
         } else {
             stack.set_visible_child_name("main");
-            headerbar_stack.set_visible_child_name("main");
+            set_titlebar(headerbar_paned);
         }
     }