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, "amaze");
 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, "amaze");
 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 GApplication::startup.
 85  static void my_application_startup(GApplication* application) {
 86  	//MyApplication* self = MY_APPLICATION(object);
 87  
 88  	// Perform any actions required at application startup.
 89  
 90  	G_APPLICATION_CLASS(my_application_parent_class)->startup(application);
 91  }
 92  
 93  // Implements GApplication::shutdown.
 94  static void my_application_shutdown(GApplication* application) {
 95  	//MyApplication* self = MY_APPLICATION(object);
 96  
 97  	// Perform any actions required at application shutdown.
 98  
 99  	G_APPLICATION_CLASS(my_application_parent_class)->shutdown(application);
100  }
101  
102  // Implements GObject::dispose.
103  static void my_application_dispose(GObject* object) {
104  	MyApplication* self = MY_APPLICATION(object);
105  	g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
106  	G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
107  }
108  
109  static void my_application_class_init(MyApplicationClass* klass) {
110  	G_APPLICATION_CLASS(klass)->activate = my_application_activate;
111  	G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
112  	G_APPLICATION_CLASS(klass)->startup = my_application_startup;
113  	G_APPLICATION_CLASS(klass)->shutdown = my_application_shutdown;
114  	G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
115  }
116  
117  static void my_application_init(MyApplication* self) {}
118  
119  MyApplication* my_application_new() {
120  	return MY_APPLICATION(g_object_new(
121  		my_application_get_type(),
122  		"application-id", APPLICATION_ID,
123  		"flags", G_APPLICATION_NON_UNIQUE,
124  		nullptr
125  	));
126  }