diff -r a081458cc57b -r 144a6b854f70 eric7/E5Gui/EricOverrideCursor.py
--- a/eric7/E5Gui/EricOverrideCursor.py Sat May 22 19:52:34 2021 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,145 +0,0 @@
-# -*- coding: utf-8 -*-
-
-# Copyright (c) 2020 - 2021 Detlev Offenbach <detlev@die-offenbachs.de>
-#
-
-"""
-Module implementing a context manager class for an override cursor and a
-QProcess class controlling an override cursor.
-"""
-
-import contextlib
-
-from PyQt6.QtCore import pyqtSlot, Qt, QProcess, QEventLoop
-from PyQt6.QtGui import QCursor, QGuiApplication
-
-
-class EricOverrideCursor(contextlib.AbstractContextManager):
- """
- Class implementing a context manager class for an override cursor.
- """
- def __init__(self, cursorShape=Qt.CursorShape.WaitCursor):
- """
- Constructor
-
- @param cursorShape shape of the override cursor
- @type Qt.CursorShape
- """
- self.__cursorShape = cursorShape
-
- def __enter__(self):
- """
- Special method called when entering the runtime ccontext.
-
- @return reference to the context manager object
- @rtype EricOverrideCursor
- """
- QGuiApplication.setOverrideCursor(QCursor(self.__cursorShape))
- QGuiApplication.processEvents(
- QEventLoop.ProcessEventsFlag.ExcludeUserInputEvents)
-
- return self
-
- def __exit__(self, exc_type, exc_value, traceback):
- """
- Special method called when exiting the runtime ccontext.
-
- @param exc_type type of an exception raised in the runtime context
- @param exc_value value of an exception raised in the runtime context
- @param traceback traceback of an exception raised in the runtime
- context
- @return always returns None to not suppress any exception
- @rtype None
- """
- QGuiApplication.restoreOverrideCursor()
- QGuiApplication.processEvents(
- QEventLoop.ProcessEventsFlag.ExcludeUserInputEvents)
-
- return None # __IGNORE_WARNING_M831__
-
-
-class EricOverridenCursor(contextlib.AbstractContextManager):
- """
- Class implementing a context manager class for an overriden cursor.
-
- The cursor is reset upon entering the runtime context and restored
- upon exiting it.
- """
- def __init__(self):
- """
- Constructor
- """
- self.__cursorShape = None
-
- def __enter__(self):
- """
- Special method called when entering the runtime ccontext.
-
- @return reference to the context manager object
- @rtype EricOverrideCursor
- """
- cursor = QGuiApplication.overrideCursor()
- if cursor is not None:
- self.__cursorShape = cursor.shape()
- QGuiApplication.restoreOverrideCursor()
- QGuiApplication.processEvents(
- QEventLoop.ProcessEventsFlag.ExcludeUserInputEvents)
-
- return self
-
- def __exit__(self, exc_type, exc_value, traceback):
- """
- Special method called when exiting the runtime ccontext.
-
- @param exc_type type of an exception raised in the runtime context
- @param exc_value value of an exception raised in the runtime context
- @param traceback traceback of an exception raised in the runtime
- context
- @return always returns None to not suppress any exception
- @rtype None
- """
- if self.__cursorShape is not None:
- QGuiApplication.setOverrideCursor(QCursor(self.__cursorShape))
- QGuiApplication.processEvents(
- QEventLoop.ProcessEventsFlag.ExcludeUserInputEvents)
-
- return None # __IGNORE_WARNING_M831__
-
-
-class EricOverrideCursorProcess(QProcess):
- """
- Class implementing a QProcess subclass controlling an override cursor.
- """
- def __init__(self, parent=None, cursorShape=Qt.CursorShape.WaitCursor):
- """
- Constructor
-
- @param parent reference to the parent object
- @type QObject
- @param cursorShape shape of the override cursor
- @type Qt.CursorShape
- """
- super().__init__(parent)
-
- self.__cursorShape = cursorShape
-
- self.started.connect(self.__processStarted)
- self.finished.connect(self.__processFinished)
-
- @pyqtSlot()
- def __processStarted(self):
- """
- Private slot setting the cursor after the process has started.
- """
- QGuiApplication.setOverrideCursor(QCursor(self.__cursorShape))
- QGuiApplication.processEvents(
- QEventLoop.ProcessEventsFlag.ExcludeUserInputEvents)
-
- @pyqtSlot()
- def __processFinished(self):
- """
- Private slot resetting the cursor when the process finished.
- """
- QGuiApplication.restoreOverrideCursor()
- QGuiApplication.processEvents(
- QEventLoop.ProcessEventsFlag.ExcludeUserInputEvents)
