ayon-core/openpype/tools/ayon_utils/widgets/utils.py
2023-12-05 17:57:33 +01:00

109 lines
2.8 KiB
Python

import os
from functools import partial
from qtpy import QtCore, QtGui
from openpype.tools.utils.lib import get_qta_icon_by_name_and_color
class RefreshThread(QtCore.QThread):
refresh_finished = QtCore.Signal(str)
def __init__(self, thread_id, func, *args, **kwargs):
super(RefreshThread, self).__init__()
self._id = thread_id
self._callback = partial(func, *args, **kwargs)
self._exception = None
self._result = None
self.finished.connect(self._on_finish_callback)
@property
def id(self):
return self._id
@property
def failed(self):
return self._exception is not None
def run(self):
try:
self._result = self._callback()
except Exception as exc:
self._exception = exc
def get_result(self):
return self._result
def _on_finish_callback(self):
"""Trigger custom signal with thread id.
Listening for 'finished' signal we make sure that execution of thread
finished and QThread object can be safely deleted.
"""
self.refresh_finished.emit(self.id)
class _IconsCache:
"""Cache for icons."""
_cache = {}
_default = None
@classmethod
def _get_cache_key(cls, icon_def):
parts = []
icon_type = icon_def["type"]
if icon_type == "path":
parts = [icon_type, icon_def["path"]]
elif icon_type == "awesome-font":
parts = [icon_type, icon_def["name"], icon_def["color"]]
return "|".join(parts)
@classmethod
def get_icon(cls, icon_def):
if not icon_def:
return None
icon_type = icon_def["type"]
cache_key = cls._get_cache_key(icon_def)
cache = cls._cache.get(cache_key)
if cache is not None:
return cache
icon = None
if icon_type == "path":
path = icon_def["path"]
if os.path.exists(path):
icon = QtGui.QIcon(path)
elif icon_type == "awesome-font":
icon_name = icon_def["name"]
icon_color = icon_def["color"]
icon = get_qta_icon_by_name_and_color(icon_name, icon_color)
if icon is None:
icon = get_qta_icon_by_name_and_color(
"fa.{}".format(icon_name), icon_color)
if icon is None:
icon = cls.get_default()
cls._cache[cache_key] = icon
return icon
@classmethod
def get_default(cls):
pix = QtGui.QPixmap(1, 1)
pix.fill(QtCore.Qt.transparent)
return QtGui.QIcon(pix)
def get_qt_icon(icon_def):
"""Returns icon from cache or creates new one.
Args:
icon_def (dict[str, Any]): Icon definition.
Returns:
QtGui.QIcon: Icon.
"""
return _IconsCache.get_icon(icon_def)