diff -r 55c9bb589b0a -r ef400197e7d5 WebBrowser/AutoScroll/FrameScroller.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebBrowser/AutoScroll/FrameScroller.py Sat Apr 30 20:01:30 2016 +0200
@@ -0,0 +1,103 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2016 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing an object to scroll a web page.
+"""
+
+#
+# This module is based on the Qupzilla frame scroller.
+# Copyright (C) 2014 David Rosca <nowrep@gmail.com>
+#
+
+from __future__ import unicode_literals
+
+import math
+
+from PyQt5.QtCore import pyqtSlot, QObject, QTimer
+
+
+class FrameScroller(QObject):
+ """
+ Class implementing a web page scroller object.
+ """
+ def __init__(self, parent=None):
+ """
+ Constructor
+
+ @param parent reference to the parent object
+ @type QObject
+ """
+ super(FrameScroller, self).__init__(parent)
+
+ self.__page = None
+
+ self.__lengthX = 0
+ self.__lengthY = 0
+ self.__divider = 8.0
+
+ self.__timer = QTimer(self)
+ self.__timer.setInterval(10)
+ self.__timer.timeout.connect(self.__scrollStep)
+
+ def setPage(self, page):
+ """
+ Public method to set the web page to be scrolled.
+
+ @param page page to be scrolled
+ @type WebBrowserPage
+ """
+ self.__page = page
+
+ def scrollDivider(self):
+ """
+ Public method to get the current scroll divider value.
+
+ @return scroll divider
+ @rtype float
+ """
+ return self.__divider
+
+ def setScrollDivider(self, divider):
+ """
+ Public method to set the scroll divider value.
+
+ @param divider scroll divider
+ @type float
+ """
+ self.__divider = divider
+
+ def startScrolling(self, lengthX, lengthY):
+ """
+ Public method to start scrolling.
+
+ @param lengthX X distance from scroll indicator
+ @type int
+ @param lengthY Y distance from scroll indicator
+ @type int
+ """
+ self.__lengthX = lengthX
+ self.__lengthY = lengthY
+
+ if not self.__lengthX and not self.__lengthY:
+ self.__timer.stop()
+ elif not self.__timer.isActive():
+ self.__timer.start()
+
+ def stopScrolling(self):
+ """
+ Public method to stop scrolling.
+ """
+ self.__timer.stop()
+
+ @pyqtSlot()
+ def __scrollStep(self):
+ """
+ Private slot to scroll one step.
+ """
+ self.__page.scroll(
+ math.ceil(self.__lengthX / self.__divider),
+ math.ceil(self.__lengthY / self.__divider)
+ )
