Add About window

Gtkmm3_Mac/res/menubar.xml

@@ -4,6 +4,7 @@
         <section>
             <item>
                 <attribute name="label">About My GtkUI Mac version</attribute>
+                <attribute name="action">win.about</attribute>
             </item>
             <item>
                 <attribute name="label">Software Update...</attribute>

Gtkmm3_Mac/src/core/MyWin.cc

@@ -2,52 +2,98 @@
 #include "winpe.xpm"
 
 MyWin::MyWin()
-:menubox(Gtk::ORIENTATION_HORIZONTAL,0)
+    : menubox(Gtk::ORIENTATION_HORIZONTAL, 0)
 {
-    //Initalize window
-    set_default_size(1024,576);
+    // Initalize window
+    set_default_size(1024, 576);
     set_icon_name("My_GtkUI");
     set_title("My GtkUI macOS Version");
 
-    //Add background
+    // Add background
     auto pixbuf = Gdk::Pixbuf::create_from_xpm_data(winpe);
-    auto sized = pixbuf->scale_simple(1024,576,Gdk::INTERP_BILINEAR);
-    gtk_image_set_from_pixbuf(m_background.gobj(),sized->gobj());
+    auto sized = pixbuf->scale_simple(1024, 576, Gdk::INTERP_BILINEAR);
+    gtk_image_set_from_pixbuf(m_background.gobj(), sized->gobj());
     m_overlay.add(m_background);
 
-    //Add Action for menus
-    add_action("logout",sigc::mem_fun(*this,&MyWin::logout_activated));
-    add_action("quit",sigc::mem_fun(*this,&MyWin::quit_activated));
+    // Add Action for menus
+    add_action("logout", sigc::mem_fun(*this, &MyWin::logout_activated));
+    add_action("quit", sigc::mem_fun(*this, &MyWin::quit_activated));
+    add_action("about",sigc::mem_fun(*this,&MyWin::about_activated));
 
-    //Add Stack
+    // Add Stack
     m_overlay.add_overlay(*(main_stack.stack));
 
-    //Add context menu
+    // Add context menu
     auto menubuilder = Gtk::Builder::create_from_resource("/org/gtk/daleclack/mainmenu.xml");
     auto object = menubuilder->get_object("model");
     auto gmenu = Glib::RefPtr<Gio::Menu>::cast_dynamic(object);
     context_menu.bind_model(gmenu);
     context_menu.set_relative_to(m_overlay);
 
-    //Add Gesture for control
+    // Add Gesture for control
     gesture = Gtk::GestureMultiPress::create(m_overlay);
     gesture->set_button(GDK_BUTTON_SECONDARY);
-    gesture->signal_pressed().connect(sigc::mem_fun(*this,&MyWin::press));
+    gesture->signal_pressed().connect(sigc::mem_fun(*this, &MyWin::press));
 
     add(m_overlay);
     show_all_children();
 }
 
-void MyWin::press(int n_press,double x,double y){
-    //Show Menu
-    context_menu.set_pointing_to(Gdk::Rectangle((int)x,(int)y,1,1));
+void MyWin::press(int n_press, double x, double y)
+{
+    // Show Menu
+    context_menu.set_pointing_to(Gdk::Rectangle((int)x, (int)y, 1, 1));
     context_menu.popup();
 }
 
-void MyWin::logout_activated(){
+void MyWin::logout_activated()
+{
     main_stack.logout();
 }
 
-void MyWin::quit_activated(){
+void MyWin::about_activated()
+{
+    // Authors information
+    const char *authors[] = {
+        "Dale Clack",
+        "GCR_CMake on github https://github.com/Makman2/GCR_CMake",
+        NULL};
+
+    //Version information
+    char *version;
+    version = g_strdup_printf("5.0\nRunning Against: Gtkmm %d.%d.%d",
+                              GTKMM_MAJOR_VERSION,
+                              GTKMM_MINOR_VERSION,
+                              GTKMM_MICRO_VERSION);
+
+    // Get Year information
+    time_t t;
+    t=time(NULL);
+    struct tm * local;
+    local = localtime(&t);
+
+    //Copyright
+    char * copyright;
+    copyright = g_strdup_printf("© 2019—%04d The Xe Project",local->tm_year+1900);
+
+    //Show the about dialog
+    gtk_show_about_dialog(GTK_WINDOW(gobj()),
+                          "program-name", "My_GtkUI",
+                          "version", version,
+                          "copyright", copyright,
+                          "comments", "A program that simulates desktop (Mac Version)",
+                          "authors", authors,
+                          "license-type", GTK_LICENSE_GPL_3_0,
+                          "logo-icon-name", "My_GtkUI",
+                          "title", "About My GtkUI Mac Version",
+                          NULL);
+    
+    //Free Memory
+    g_free(version);
+    g_free(copyright);
+}
+
+void MyWin::quit_activated()
+{
     hide();
 }

Gtkmm3_Mac/src/core/MyWin.hh

@@ -23,5 +23,6 @@ private:
     //Signal Handlers
     void logout_activated();
     void quit_activated();
+    void about_activated();
 
 };

Gtkmm3_Mac/src/ui/MyFinder.cc

@@ -67,15 +67,15 @@ MyFinder::MyFinder()
     calender.set_margin_start(5);
     calender.set_margin_end(5);
 
-    //Menu button
+    // Menu button
     menu_button.set_image_from_icon_name("open-menu");
     menu_button.set_relief(Gtk::RELIEF_NONE);
-    pack_end(menu_button,Gtk::PACK_SHRINK);
+    pack_end(menu_button, Gtk::PACK_SHRINK);
 
-    //Find Button
+    // Find Button
     find_button.set_image_from_icon_name("finder-find");
     find_button.set_relief(Gtk::RELIEF_NONE);
-    pack_end(find_button,Gtk::PACK_SHRINK);
+    pack_end(find_button, Gtk::PACK_SHRINK);
 
     // Timer
     timer_button.set_label("2022/1/23 18:32");
@@ -85,31 +85,31 @@ MyFinder::MyFinder()
 
     mytimer = Glib::signal_timeout().connect(sigc::mem_fun(*this, &MyFinder::time_out), 1000);
 
-    //finder-battery Button
+    // finder-battery Button
     battery_button.set_image_from_icon_name("finder-battery");
     battery_button.set_relief(Gtk::RELIEF_NONE);
-    pack_end(battery_button,Gtk::PACK_SHRINK);
+    pack_end(battery_button, Gtk::PACK_SHRINK);
 
-    //NetWork Button
+    // NetWork Button
     network_button.set_image_from_icon_name("finder-wifi");
     network_button.set_relief(Gtk::RELIEF_NONE);
-    pack_end(network_button,Gtk::PACK_SHRINK);
+    pack_end(network_button, Gtk::PACK_SHRINK);
 
-    //Audio Button
+    // Audio Button
     audio_button.set_image_from_icon_name("finder_audio");
     audio_button.set_relief(Gtk::RELIEF_NONE);
-    pack_end(audio_button,Gtk::PACK_SHRINK);
+    pack_end(audio_button, Gtk::PACK_SHRINK);
 
-    //Monitor Button
+    // Monitor Button
     screen_button.set_image_from_icon_name("finder-computer");
     screen_button.set_relief(Gtk::RELIEF_NONE);
-    pack_end(screen_button,Gtk::PACK_SHRINK);
+    pack_end(screen_button, Gtk::PACK_SHRINK);
 
-    //Add Style for MyFinder
+    // Add Style for MyFinder
     provider = Gtk::CssProvider::create();
     provider->load_from_resource("/org/gtk/daleclack/style.css");
     auto style = get_style_context();
-    style->add_provider(provider,G_MAXUINT);
+    style->add_provider(provider, G_MAXUINT);
 }
 
 bool MyFinder::time_out()