implement multi-tab close action

src/app/browser.cpp

@@ -41,6 +41,7 @@ Browser::Browser(
         )
     );
 
+    // Close
     add_action(
         "tab_close",
         sigc::mem_fun(
@@ -49,6 +50,32 @@ Browser::Browser(
         )
     );
 
+        // Close submenu
+        add_action(
+            "tab_close_left",
+            sigc::mem_fun(
+                * this,
+                & Browser::main_tab_close_left
+            )
+        );
+
+        add_action(
+            "tab_close_right",
+            sigc::mem_fun(
+                * this,
+                & Browser::main_tab_close_right
+            )
+        );
+
+        add_action(
+            "tab_close_all",
+            sigc::mem_fun(
+                * this,
+                & Browser::main_tab_close_all
+            )
+        );
+
+    // Tool
     add_action(
         "debug",
         sigc::mem_fun(
@@ -79,6 +106,21 @@ void Browser::main_tab_close()
     main->tab_close();
 };
 
+void Browser::main_tab_close_left()
+{
+    main->tab_close_left();
+};
+
+void Browser::main_tab_close_right()
+{
+    main->tab_close_right();
+};
+
+void Browser::main_tab_close_all()
+{
+    main->tab_close_all();
+};
+
 void Browser::debug()
 {
     gtk_window_set_interactive_debugging(

src/app/browser.hpp

@@ -40,6 +40,9 @@ namespace app
             void main_tab_append();
 
             void main_tab_close();
+            void main_tab_close_left();
+            void main_tab_close_right();
+            void main_tab_close_all();
 
             void debug();
     };

src/app/browser/main.cpp

@@ -46,3 +46,18 @@ void Main::tab_close()
 {
     tab->close();
 };
+
+void Main::tab_close_left()
+{
+    tab->close_left();
+};
+
+void Main::tab_close_right()
+{
+    tab->close_right();
+};
+
+void Main::tab_close_all()
+{
+    tab->close_all();
+};

src/app/browser/main.hpp

@@ -25,6 +25,9 @@ namespace app::browser
             void tab_append();
 
             void tab_close();
+            void tab_close_left();
+            void tab_close_right();
+            void tab_close_all();
     };
 }
 

src/app/browser/main/tab.cpp

@@ -68,6 +68,23 @@ void Tab::close()
     remove_page(
         get_current_page()
     );
+
+    // @TODO clean memory
+    // @TODO fix GtkGizmo reported min height -3, but sizes must be >= 0
+}
+
+void Tab::close_left()
+{} // @TODO
+
+void Tab::close_right()
+{} // @TODO
+
+void Tab::close_all()
+{
+    while (0 <= get_current_page())
+    {
+        close();
+    }
 }
 
 void Tab::on_label_click(
@@ -77,6 +94,6 @@ void Tab::on_label_click(
 ) {
     if (n == 2) // double click
     {
-        Tab::close();
+        close();
     }
 }

src/app/browser/main/tab.hpp

@@ -50,6 +50,9 @@ namespace app::browser::main
             );
 
             void close();
+            void close_left();
+            void close_right();
+            void close_all();
 
             void update();
     };