Is there a way to disable mousewheel in processing?

thepizzagui

Pretty self explanatory, however I am also using proscene2. Is it possible to disable the mousewheel in either proscene or processing.

Love,

Pizzagui

GoToLoop

• Processing by itself does nothing at all for all input events.
• Be it keyPressed(), mouseDragged(), mouseWheel().
• We have to write the code by ourselves if we need for something to happen for some trigger.
• In short, just don't write any code for mouseWheel() if you wish for nothing to happen for it.
• Having said all of that, indeed library ProScene actively seeks out for various user inputs apart from Processing.
• If there's some way to deactivate that mechanism for ProScene I dunno. You'll have to look up its API.
• However, in order for ProScene to update its bounded PGraphics, it needs an extra beginDraw()/endDraw() pair.
• I've added an extra boolean variable called active from my previous "ProScene MultiColor Box Test" from https://forum.Processing.org/two/discussion/16220/can-t-seem-to-get-a-proscene-3d-drawing-inside-a-2d-canvas-python-mode
• The spacebar key turn variable active True or False.
• Yet ProScene invisibly updates its internal variables while active is False.
• Therefore a real solution needs to come outta its API instead. #-o

'''
 ' ProScene MultiColor Box Test (v3.3)
 ' by CodeAntiCode (2013-Nov)
 ' forum.Processing.org/two/discussion/1297/3d-window-in-2d-sketch
 '
 ' mod GoToLoop (2016-Apr-24)
 ' forum.Processing.org/two/discussion/16220/
 ' can-t-seem-to-get-a-proscene-3d-drawing-inside-a-2d-canvas-python-mode
 '
 ' update (2016-Apr-27)
 ' forum.Processing.org/two/discussion/16281/
 ' is-there-a-way-to-disable-mousewheel-in-processing
'''

add_library('proscene')

def setup():
    size(640, 360, P2D)
    smooth(8)
    frameRate(60)
    imageMode(CORNER)

    global canvas, scene, cubes, active
    w, h, active = width >> 1, height >> 1, True

    canvas = createGraphics(w, h, P3D)
    canvas.smooth(4)
    canvas.beginDraw()

    canvas.stroke(0)
    canvas.strokeWeight(1.5)

    canvas.endDraw()

    scene = Scene(this, canvas)
    scene.setCameraType(Camera.Type.ORTHOGRAPHIC)
    scene.setGridVisualHint(False)
    scene.setAxesVisualHint(False)
    scene.setRadius(100);
    scene.showAll();

    cubes = Cube(0, 0, color(255, 127, 0)),\
            Cube(w, 0, color(255, 0, 127)),\
            Cube(0, h, color(127, 255, 0)),\
            Cube(w, h, color(0, 127, 255))


def draw():
    for cube in cubes: cube.render()


def keyPressed():
    global active
    active ^= key == ' '


class Cube:
    W, H, D = 20, 30, 50

    def __init__(_, x, y, ink): _.x, _.y, _.ink = x, y, ink

    def render(_):
        canvas.beginDraw()
        active and scene.beginDraw()

        canvas.background(0)
        canvas.fill(_.ink)
        canvas.box(Cube.W, Cube.H, Cube.D)

        active and scene.endDraw()
        canvas.endDraw()

        image(canvas, _.x, _.y)

thepizzagui

The api does have a method which disables mouse actions completely called disableMotionAgent() but I was kinda hoping that there was some sort of implementation in Processing... I Think I'll just add an action listener to the mouse wheel and call the method whenever it's being used.

GoToLoop

I've also looked ProScene's Scene class up and found out both disableMotionAgent() & disableMouseAgent() can do the trick.

Then I've modified keyPressed() in such a way it toggles the MouseAgent by hitting space:
if key == ' ': scene.disableMouseAgent() or scene.enableMouseAgent()

Here's latest v3.4 btW: \m/

"""
 ' ProScene MultiColor Box Test (v3.4)
 ' by CodeAntiCode (2013-Nov)
 ' Forum.Processing.org/two/discussion/1297/3d-window-in-2d-sketch
 '
 ' mod GoToLoop (2016-Apr-24)
 ' Forum.Processing.org/two/discussion/16220/
 ' can-t-seem-to-get-a-proscene-3d-drawing-inside-a-2d-canvas-python-mode
 '
 ' update (2016-Apr-27)
 ' Forum.Processing.org/two/discussion/16281/
 ' is-there-a-way-to-disable-mousewheel-in-processing#Item_3
"""

add_library('proscene')

def setup():
    size(640, 360, P2D)
    smooth(8)
    frameRate(60)
    imageMode(CORNER)

    global canvas, scene, cubes
    w, h = width >> 1, height >> 1

    canvas = createGraphics(w, h, P3D)
    canvas.smooth(4)
    canvas.beginDraw()

    canvas.stroke(0)
    canvas.strokeWeight(1.5)

    canvas.endDraw()

    scene = Scene(this, canvas)
    scene.setCameraType(Camera.Type.ORTHOGRAPHIC)
    scene.setGridVisualHint(False)
    scene.setAxesVisualHint(False)
    scene.setRadius(100);
    scene.showAll();

    print scene.info(), ENTER, scene.prettyVersion

    cubes = Cube(0, 0, color(255, 127, 0)),\
            Cube(w, 0, color(255, 0, 127)),\
            Cube(0, h, color(127, 255, 0)),\
            Cube(w, h, color(0, 127, 255))


def draw():
    for cube in cubes: cube.render()


def keyPressed():
    if key == ' ': scene.disableMotionAgent() or scene.enableMotionAgent()


class Cube:
    W, H, D = 20, 30, 50

    def __init__(_, x, y, ink): _.x, _.y, _.ink = x, y, ink

    def render(_):
        canvas.beginDraw()
        scene.beginDraw()

        canvas.background(0)
        canvas.fill(_.ink)
        canvas.box(Cube.W, Cube.H, Cube.D)

        scene.endDraw()
        canvas.endDraw()

        image(canvas, _.x, _.y)

P.S.: Just found out that MouseAgent is only the same as MotionEvent when running as desktop. #-o

nakednous

I'd highly recommend you to update to proscene-3.x where motion bindings are defined in a per frame basis.

Use code like this: frame.removeMotionBinding(processing.event.MouseEvent.WHEEL) to disable the wheel for frame; and scene.eyeFrame().removeMotionBinding(processing.event.MouseEvent.WHEEL) to disable it for the eye.

GoToLoop

@nakednous, removeMotionBinding() gets rid of it permanently it seems.
W/ disableMotionAgent() we can still enableMotionAgent() later. >-)

nakednous

@GoToLoop you can re-enable it with myFrame.setMotionBinding(processing.event.MouseEvent.WHEEL, DOF1CallbackRoutine), e.g., myFrame.setMotionBinding(processing.event.MouseEvent.WHEEL, "translateY"). Please also observe that the DOF1CallbackRoutine may be either some GenericFrame method that takes a DOF1Event or your custom routine that takes a DOF1Event.

GoToLoop

Thx, @nakednous. But I guess I'd stick w/ disableMotionAgent().
Much simpler, less headache and no parameters. :ar!