补充文件

app/components/QCursorGif.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+Created on 2020年3月13日
+@author: Irony
+@site: https://pyqt.site , https://github.com/PyQt5
+@email: 892768447@qq.com
+@file: Demo.Lib.QCursorGif
+@description: 
+"""
+
+try:
+    from PyQt5.QtCore import QTimer, Qt
+    from PyQt5.QtGui import QCursor, QPixmap
+    from PyQt5.QtWidgets import QApplication
+except ImportError:
+    from PySide2.QtCore import QTimer, Qt
+    from PySide2.QtGui import QCursor, QPixmap
+    from PySide2.QtWidgets import QApplication
+from app.resources import resource_rc
+
+var = resource_rc.qt_resource_name
+
+
+class QCursorGif:
+
+    def initCursor(self, cursors, parent=None):
+        # 记录默认的光标
+        self._oldCursor = Qt.ArrowCursor
+        self.setOldCursor(parent)
+        # 加载光标图片
+        self._cursorImages = [
+            QCursor(QPixmap(cursor)) for cursor in cursors]
+        self._cursorIndex = 0
+        self._cursorCount = len(self._cursorImages) - 1
+        # 创建刷新定时器
+        self._cursorTimeout = 200
+        self._cursorTimer = QTimer(parent)
+        self._cursorTimer.timeout.connect(self._doBusy)
+
+    def _doBusy(self):
+        if self._cursorIndex > self._cursorCount:
+            self._cursorIndex = 0
+        QApplication.instance().setOverrideCursor(
+            self._cursorImages[self._cursorIndex])
+        self._cursorIndex += 1
+
+    def startBusy(self):
+        if not self._cursorTimer.isActive():
+            self._cursorTimer.start(self._cursorTimeout)
+
+    def stopBusy(self):
+        self._cursorTimer.stop()
+        QApplication.instance().setOverrideCursor(self._oldCursor)
+
+    def setCursorTimeout(self, timeout):
+        self._cursorTimeout = timeout
+
+    def setOldCursor(self, parent=None):
+        self._oldCursor = (parent.cursor() or Qt.ArrowCursor) if parent else (
+                QApplication.instance().overrideCursor() or Qt.ArrowCursor)