Examples on GTK 1.x
Download gtksteps.zip file.
It contains simple programms showing how to use gtk.
The sample programms are:
-Main window (main.c)
-Menu (menu.c)
-Text on main window (text.c)
-Windown with message (message.c)
-Window to get data (getdata.c)
-Graphics on main window (pixmap.c)
-Mouse (mouse.c)
-GDK and animation (gdk.c)
-Dialog and widgets (gtk.c)