le-yolo/labelImg-master/libs/colorDialog.py
2025-06-04 17:27:43 +08:00

38 lines
1.3 KiB
Python

try:
from PyQt5.QtGui import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import QColorDialog, QDialogButtonBox
except ImportError:
from PyQt4.QtGui import *
from PyQt4.QtCore import *
BB = QDialogButtonBox
class ColorDialog(QColorDialog):
def __init__(self, parent=None):
super(ColorDialog, self).__init__(parent)
self.setOption(QColorDialog.ShowAlphaChannel)
# The Mac native dialog does not support our restore button.
self.setOption(QColorDialog.DontUseNativeDialog)
# Add a restore defaults button.
# The default is set at invocation time, so that it
# works across dialogs for different elements.
self.default = None
self.bb = self.layout().itemAt(1).widget()
self.bb.addButton(BB.RestoreDefaults)
self.bb.clicked.connect(self.checkRestore)
def getColor(self, value=None, title=None, default=None):
self.default = default
if title:
self.setWindowTitle(title)
if value:
self.setCurrentColor(value)
return self.currentColor() if self.exec_() else None
def checkRestore(self, button):
if self.bb.buttonRole(button) & BB.ResetRole and self.default:
self.setCurrentColor(self.default)