Hello, I would like to detect a double mouse click from within a class. If a double click is detected, some event has to be executed. I would like the code to be modular, so the mouseClicked() or mousePressed() functions are not a viable option (I think). More specific, I would like to set the valu…

Thanks @kll , I’ve managed to make it work using your code. Just for my own reference, what do the variables ‘diag’, ‘act’, ‘sel’ and ‘seld’ mean?

you mean? boolean diag = true; //__________________________________ diagnostic prints global switch when i start coding i do line by line and use many prints to console. later i want disable the prints so a global switch makes that easy. besides they show the resulting color / it means like t…

Yes that is what I meant indeed. Thanks for the clarification. A single click will set a certain value and double click resets the object to the starting value. [image] kll: and what will you do on single click?? That brings me to the next problem, but that might be better suited for a 2nd p…

so we must ask @Chrisir how to connect a button ( here even with 2 different events "single click " and “double click” ) with a main program, because from there the main could just read that status continuously button[1].sel ( or .dsel ) gives the status, not the event! so would need a new eve…

That’s an interesting question! An important side note: When we want to have the class reusable we have to design it in a way that the class is neutral to whatever main sketch we have.

But double click has been done often, just google here on the forum In my opinion in mousePressed loop over all buttons and call the button class whether we have a click or a double click. Class returns an ID that you can evaluate from main class. Eg button ID 0,1,2… and for double click 1000, 100…

ok, thanks, but that was not the help for the event question. and a own event handler for the class would be the long way, but just take a look how the PRO’s are doing it Text input for choosing Colour . a ( reduced ) G4P example but here we try in small steps: lets start again from the funct…

Thank you for your replies. For now I will use identifiers, which is probably not the most elegant method, but I’ll do the job. [image] kll: push button Is indeed what I want. If you come across an easy to follow solution, please let me know :wink: I will make a new question once I come acro…

The g4p and ControlP5 libraries both have event handling built in to an extensive set of control types. If you are rolling your own, two approaches are: define an event handler callback, and put all special logic for all controls into that one callback. Then, based on your control ID, you can act…

It’s good to see that this got answered. I would like to add to all this that it’s important to understand that Processing 's core libraries by default intercept mouse and keyboard input events from the JVM (Java VM) and calls the various callbacks (mousePressed(), mouseReleased(), keyPressed(), ke…

Detect double click inside class

Processing Coding Questions

kll November 25, 2019, 11:13am 2

i play that
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Detect double click inside class

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