systems will send some events directly to the application, which in turn causes callbacks to be called outside of regular event processing.</p>
<h1><a class="anchor" id="input_keyboard"></a>
Keyboard input</h1>
<p>GLFW divides keyboard input into two categories; key events and character events. Key events relate to actual physical keyboard keys, whereas character events relate to the Unicode code points generated by pressing some of them.</p>
<p>Keys and characters do not map 1:1. A single key press may pro