GNOME.org

Tutorial for beginners and code samples

Although these tutorials are designed for beginners, we can't cover all the basics. Before attempting to follow these tutorials, you are expected to be familiar with the following concepts:

  1. Object oriented programming

  2. The C programming language

By following these tutorials you will learn the basics of GUI programming using GTK+.

Code samples

To run the code samples:

  1. Copy and paste the code into filename.c

  2. In the terminal type:

    gcc filename.c `pkg-config --cflags --libs gtk+-3.0` -o filename
    ./filename

For more information about compiling GTK+ programs see Compiling GTK+ Applications on UNIX.

You can also use the Vala compiler to compile these samples:

  1. In the terminal type:

    valac --pkg gtk+-3.0 filename.c

  2. To run:

    ./filename

Numeric and text data entry

Entry — A single line text entry field
Scale — A slider widget for selecting a value from a range
SpinButton — Retrieve an integer or floating point number

TreeView widget

Selectors

File selectors

Font selectors

Color Selectors

Exercises