languages

A collection of programs made with different programming languages.
git clone git://evanalba.com/languages
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my_application.cc (3708B)


      1 #include "my_application.h"
      2 
      3 #include <flutter_linux/flutter_linux.h>
      4 #ifdef GDK_WINDOWING_X11
      5 #include <gdk/gdkx.h>
      6 #endif
      7 
      8 #include "flutter/generated_plugin_registrant.h"
      9 
     10 struct _MyApplication {
     11   GtkApplication parent_instance;
     12   char** dart_entrypoint_arguments;
     13 };
     14 
     15 G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
     16 
     17 // Implements GApplication::activate.
     18 static void my_application_activate(GApplication* application) {
     19   MyApplication* self = MY_APPLICATION(application);
     20   GtkWindow* window =
     21       GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
     22 
     23   // Use a header bar when running in GNOME as this is the common style used
     24   // by applications and is the setup most users will be using (e.g. Ubuntu
     25   // desktop).
     26   // If running on X and not using GNOME then just use a traditional title bar
     27   // in case the window manager does more exotic layout, e.g. tiling.
     28   // If running on Wayland assume the header bar will work (may need changing
     29   // if future cases occur).
     30   gboolean use_header_bar = TRUE;
     31 #ifdef GDK_WINDOWING_X11
     32   GdkScreen* screen = gtk_window_get_screen(window);
     33   if (GDK_IS_X11_SCREEN(screen)) {
     34     const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen);
     35     if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
     36       use_header_bar = FALSE;
     37     }
     38   }
     39 #endif
     40   if (use_header_bar) {
     41     GtkHeaderBar* header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
     42     gtk_widget_show(GTK_WIDGET(header_bar));
     43     gtk_header_bar_set_title(header_bar, "penny");
     44     gtk_header_bar_set_show_close_button(header_bar, TRUE);
     45     gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
     46   } else {
     47     gtk_window_set_title(window, "penny");
     48   }
     49 
     50   gtk_window_set_default_size(window, 1280, 720);
     51   gtk_widget_show(GTK_WIDGET(window));
     52 
     53   g_autoptr(FlDartProject) project = fl_dart_project_new();
     54   fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
     55 
     56   FlView* view = fl_view_new(project);
     57   gtk_widget_show(GTK_WIDGET(view));
     58   gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
     59 
     60   fl_register_plugins(FL_PLUGIN_REGISTRY(view));
     61 
     62   gtk_widget_grab_focus(GTK_WIDGET(view));
     63 }
     64 
     65 // Implements GApplication::local_command_line.
     66 static gboolean my_application_local_command_line(GApplication* application, gchar*** arguments, int* exit_status) {
     67   MyApplication* self = MY_APPLICATION(application);
     68   // Strip out the first argument as it is the binary name.
     69   self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
     70 
     71   g_autoptr(GError) error = nullptr;
     72   if (!g_application_register(application, nullptr, &error)) {
     73      g_warning("Failed to register: %s", error->message);
     74      *exit_status = 1;
     75      return TRUE;
     76   }
     77 
     78   g_application_activate(application);
     79   *exit_status = 0;
     80 
     81   return TRUE;
     82 }
     83 
     84 // Implements GObject::dispose.
     85 static void my_application_dispose(GObject* object) {
     86   MyApplication* self = MY_APPLICATION(object);
     87   g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
     88   G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
     89 }
     90 
     91 static void my_application_class_init(MyApplicationClass* klass) {
     92   G_APPLICATION_CLASS(klass)->activate = my_application_activate;
     93   G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
     94   G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
     95 }
     96 
     97 static void my_application_init(MyApplication* self) {}
     98 
     99 MyApplication* my_application_new() {
    100   return MY_APPLICATION(g_object_new(my_application_get_type(),
    101                                      "application-id", APPLICATION_ID,
    102                                      "flags", G_APPLICATION_NON_UNIQUE,
    103                                      nullptr));
    104 }