ayon-core/pype/maya/customize.py
2018-10-02 22:55:04 +02:00

66 lines
2.2 KiB
Python

"""A set of commands that install overrides to Maya's UI"""
import maya.cmds as mc
import maya.mel as mel
from functools import partial
import logging
log = logging.getLogger(__name__)
COMPONENT_MASK_ORIGINAL = {}
def override_component_mask_commands():
"""Override component mask ctrl+click behavior.
This implements special behavior for Maya's component
mask menu items where a ctrl+click will instantly make
it an isolated behavior disabling all others.
Tested in Maya 2016 and 2018
"""
log.info("Installing override_component_mask_commands..")
# Get all object mask buttons
buttons = mc.formLayout("objectMaskIcons",
query=True,
childArray=True)
# Skip the triangle list item
buttons = [btn for btn in buttons if btn != "objPickMenuLayout"]
def on_changed_callback(raw_command, state):
"""New callback"""
# If "control" is held force the toggled one to on and
# toggle the others based on whether any of the buttons
# was remaining active after the toggle, if not then
# enable all
if mc.getModifiers() == 4: # = CTRL
state = True
active = [mc.iconTextCheckBox(btn, query=True, value=True) for btn
in buttons]
if any(active):
mc.selectType(allObjects=False)
else:
mc.selectType(allObjects=True)
# Replace #1 with the current button state
cmd = raw_command.replace(" #1", " {}".format(int(state)))
mel.eval(cmd)
for btn in buttons:
# Store a reference to the original command so that if
# we rerun this override command it doesn't recursively
# try to implement the fix. (This also allows us to
# "uninstall" the behavior later)
if btn not in COMPONENT_MASK_ORIGINAL:
original = mc.iconTextCheckBox(btn, query=True, cc=True)
COMPONENT_MASK_ORIGINAL[btn] = original
# Assign the special callback
original = COMPONENT_MASK_ORIGINAL[btn]
new_fn = partial(on_changed_callback, original)
mc.iconTextCheckBox(btn, edit=True, cc=new_fn)