Start Updating gtk how to

Updating gtk how to

For example, a "window" widget may have the signals: .. // Callback is invoked when signal "delete_event" is applied by the user to // the widget "main Window".

GTK is a multi-platform GUI API library which includes the standard interface widgets.

It is a component of the GNOME desktop and applications development environment which also includes multi-platform API's for graphics, video, window management, XML parsing, a thread library, internationalization, database access and general desktop application development.

Pango is the framework for layout and rendereing of internationalized text in GTK .

This will avoid GUI update conflicts between gdk_threads_enter() is simply a wrapper function that locks the gdk_threads_mutex. gtk_widget_show (window); /* Do NOT place after "gtk_window_new".

This Yo GTK 2 tutorial is aimed at C/C application developers who wish to write software with a single GUI API for compilation for a multitude of target OS platforms.

The Gnome home page ( is a valuable resource for basic use of the GTK 2 API.

g_signal_connect((gpointer) main Window, "delete_event", G_CALLBACK(delete_event), NULL); // Attach the callback routine destroy to the action "destroy" when applied to the widget main Window g_signal_connect((gpointer) main Window, "destroy", G_CALLBACK(destroy), NULL); ... static void on_apply Button_clicked(Gtk Widget *button, gpointer data) .. // Within class function g_signal_connect((gpointer) apply Button, "clicked", G_CALLBACK(on_apply Button_clicked), this); ... Signal inheritance: The object oriented nature of GTK allows a widget to inherit the ability to receive signal types of the parents in its inheritance tree.