Mercurial Repositories > eric / file diff

--- 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)