This reference is for Processing 2.0+. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Javadoc.
| Name | keyTyped() |
|---|---|
| Examples |
// Run this program to learn how each of these functions
// relate to the others.
void draw() { } // Empty draw() needed to keep the program running
void keyPressed() {
println("pressed " + int(key) + " " + keyCode);
}
void keyTyped() {
println("typed " + int(key) + " " + keyCode);
}
void keyReleased() {
println("released " + int(key) + " " + keyCode);
}
|
| Description |
The keyTyped() function is called once every time a key is pressed, but action keys such as Ctrl, Shift, and Alt are ignored. Because of how operating systems handle key repeats, holding down a key will cause multiple calls to keyTyped(), the rate is set by the operating system and how each computer is configured.
Mouse and keyboard events only work when a program has draw(). Without draw(), the code is only run once and then stops listening for events. |
| Syntax | keyTyped() keyTyped(event) |
| Returns | void |
| Related | keyPressed key keyCode keyReleased() |
