code release

xlib/qt/core/QXTimeLine.py

@@ -0,0 +1,43 @@
+from typing import Tuple
+
+from PyQt6.QtCore import *
+
+_linear_easing_curve = QEasingCurve(QEasingCurve.Type.Linear)
+class QXTimeLine(QTimeLine):
+    """
+    QXTimeLine with default linear curve
+
+
+      frame_range(None)  (int,int)   start,end
+    """
+    def __init__(self, duration,
+                       frame_range : Tuple[int,int] = None,
+                       loop_count=1,
+                       update_interval : int = None,
+                       easing_curve=None,
+                       frameChanged=None,
+                       stateChanged=None,
+                       start=False):
+
+        super().__init__(duration)
+
+        if frame_range is not None:
+            self.setFrameRange(*frame_range)
+
+        self.setLoopCount(loop_count)
+
+        if update_interval is not None:
+            self.setUpdateInterval(update_interval)
+
+        if easing_curve is None:
+            easing_curve = _linear_easing_curve
+        self.setEasingCurve(easing_curve)
+
+        if frameChanged is not None:
+            self.frameChanged.connect(frameChanged)
+
+        if stateChanged is not None:
+            self.stateChanged.connect(stateChanged)
+
+        if start:
+            self.start()