82 lines
2.6 KiB
Python
82 lines
2.6 KiB
Python
"""
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Copyright (C) 2023 Adobe.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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# file: thread_ops.py
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# brief: Threading operations
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# author Adobe - 3D & Immersive
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# copyright 2023 Adobe Inc. All rights reserved.
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import bpy
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import queue
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import threading
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QUEUE_MAIN_THREAD = queue.Queue()
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QUEUE_CURSOR = queue.Queue()
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QUEUE_CURSOR_ACTIVE = False
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class SUBSTANCE_Threads():
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@staticmethod
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def alt_thread_run(function, args):
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_new_thead = threading.Thread(target=function, args=args)
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_new_thead.start()
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return _new_thead
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@staticmethod
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def timer_thread_run(delay_time, function, args):
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_new_thead = threading.Timer(delay_time, function, args=args)
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_new_thead.start()
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return _new_thead
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@staticmethod
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def main_thread_run(function):
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QUEUE_MAIN_THREAD.put(function)
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@staticmethod
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def exec_queued_function():
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while not QUEUE_MAIN_THREAD.empty():
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function = QUEUE_MAIN_THREAD.get()
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function()
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return 0.1
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@staticmethod
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def cursor_push(cursor_name):
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if threading.current_thread() is threading.main_thread():
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global QUEUE_CURSOR_ACTIVE
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if QUEUE_CURSOR_ACTIVE:
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QUEUE_CURSOR.put(cursor_name)
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QUEUE_CURSOR_ACTIVE = True
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bpy.context.window.cursor_modal_set(cursor_name)
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else:
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SUBSTANCE_Threads.main_thread_run(lambda: SUBSTANCE_Threads.cursor_push(cursor_name))
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@staticmethod
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def cursor_pop():
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if threading.current_thread() is threading.main_thread():
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try:
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_cursorName = QUEUE_CURSOR.get(False)
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bpy.context.window.cursor_modal_set(_cursorName)
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except Exception:
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global QUEUE_CURSOR_ACTIVE
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QUEUE_CURSOR_ACTIVE = False
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if bpy.context and bpy.context.window:
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bpy.context.window.cursor_modal_restore()
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else:
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SUBSTANCE_Threads.main_thread_run(lambda: SUBSTANCE_Threads.cursor_pop())
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