QtnProperty
===========

v2.1.0  29.01.2022
    upgrade to Qt6.x

v2.0.3  23.12.2020
    [FIX] Register QVariant property delegate

v2.0.2  18.12.2020
    [FIX] Don't break property view splitter with drag action

v2.0.1  30.11.2020
    [REFINE] Show splitter line and change mouse cursor only for splittable property delegates
    [FIX] Correct stripping redundant digits after decimal point when converting floating-point value to locale string
    [FIX] Fixed compilation with Qt 5.15

v2.0.0  20.11.2020
    [NEW] Multi-property set with QtnMultiProperty (Used in QObjectPropertyWidget if multiple objects selected)
    [NEW] Delegate attributes for floating-point properties:
        multiplier, precision
    [NEW] Delegate attributes for numeric properties:
        min, max, step, suffix
    [NEW] Delegate attributes for string properties:
        placeholder, multiline_edit
    [NEW] Apply delegate attributes for sub-properties (see QPoint, QSize etc.)
    [NEW] QtnDoubleSpinBox - trailing zeros removed (used in floating-point properties)
    [NEW] QtnInt64SpinBox - used in uint and int64 properties
    [NEW] QtnCompleterLineEdit - autocomplete popup view with input text highlighted (used in QtnPropertyDelegateQStringCallback)
    [NEW] Property delegates for:
        int64, uint64, QPointF, QSizeF, QRectF,
        QVector3D, Button, QBrush, QPen, QVariant, QKeySequence
    [NEW] Editing QVariant with CustomProperyEditorDialog and CustomPropertyWidget
    [NEW] Ability to set custom property delegate factory for QtnPropertyView with delegateFactory()->setSuperFactory(factory)
    [NEW] QtnPropertyDelegateMetaEnum - property delegate for registered enums (Register with QtnPropertyDelegateMetaEnum::Register, and use custom delegate factory)
    [NEW] QtnPropertyStateResettable and Reset button
    [NEW] QtnPropertyStateUnlockable and Lock/Unlock button
    [NEW] Update delegate with QtnPropertyChangeReasonUpdateDelegate
    [NEW] Support dark theme on MacOS
    [FIX] QColor property delegate with circle shape draws valid color
    [FIX] Update property view when changing QObject property values outside property editor
    [FIX] SliderBox delegate works with huge value range