Site navigation

Quit with Escape

General JUCE discussion
#1

Been searching for the betterpart of an hour. I have a very simple program that I want to have the user quit from with the Escape key. How do I do that please?

//==============================================================================
class StartWindow : public Component
{
public:
//==============================================================================
StartWindow()
: Component (T(“AV”))
{
setOpaque (true);
setVisible (true);
addToDesktop (ComponentPeer::windowAppearsOnTaskbar | ComponentPeer::windowHasDropShadow);
centreWithSize (640, 480);
}

~StartWindow()
{
}

Thanks,
r.b.

#2

Well if you’re just using a plain component, you’ll need to override keyPressed() to catch the escape key, and make it call JUCEApplication::quit(). But there are many other ways of doing it, too.

#3

Not sure how to do that, hence the request for some specific code.

Thanks,
r.b

#4

Not looking at Juce code right now, but it is something like this (symbols are probobly wrong as well as return type or whatnot, the manual can fill that in):

// add this method to your component subclass (remember, this is pseudo-code, fix the names with the proper ones) bool keyPressed(KeyEvent &K) { if(k.keytype==Key_Escape) } JuceApplication::quit(); // Send a quit message return true; // handled if the return type is indeed bool } return false; // not handled, pass through }

Should be something like that. I’ve been programming with three different input systems recently and this is probably a wierd conflaguration of all, but it should be like this in Juce.

#5