diff --git a/pyqtgraph/dockarea/Dock.py b/pyqtgraph/dockarea/Dock.py
index f1dd64f3..a4997b8c 100644
--- a/pyqtgraph/dockarea/Dock.py
+++ b/pyqtgraph/dockarea/Dock.py
@@ -5,6 +5,7 @@ from .DockDrop import *
 from ..widgets.VerticalLabel import VerticalLabel
 from ..python2_3 import asUnicode
 
+
 class Dock(QtGui.QWidget, DockDrop):
 
     sigStretchChanged = QtCore.Signal()
@@ -328,13 +329,13 @@ class DockLabel(VerticalLabel):
         self.updateStyle()
 
     def mousePressEvent(self, ev):
-        self.pressPos = ev.pos()
+        self.pressPos = ev.localPos()
         self.mouseMoved = False
         ev.accept()
 
     def mouseMoveEvent(self, ev):
         if not self.mouseMoved:
-            self.mouseMoved = (ev.pos() - self.pressPos).manhattanLength() > QtGui.QApplication.startDragDistance()
+            self.mouseMoved = (ev.localPos() - self.pressPos).manhattanLength() > QtGui.QApplication.startDragDistance()
 
         if self.mouseMoved and ev.buttons() == QtCore.Qt.LeftButton:
             self.dock.startDrag()
diff --git a/pyqtgraph/dockarea/DockDrop.py b/pyqtgraph/dockarea/DockDrop.py
index bd364f50..e16f3e7a 100644
--- a/pyqtgraph/dockarea/DockDrop.py
+++ b/pyqtgraph/dockarea/DockDrop.py
@@ -30,9 +30,9 @@ class DockDrop(object):
         
     def dragMoveEvent(self, ev):
         #print "drag move"
-        ld = ev.pos().x()
+        ld = ev.posF().x()
         rd = self.width() - ld
-        td = ev.pos().y()
+        td = ev.posF().y()
         bd = self.height() - td
         
         mn = min(ld, rd, td, bd)
diff --git a/pyqtgraph/opengl/GLViewWidget.py b/pyqtgraph/opengl/GLViewWidget.py
index 2c9bff01..1426a424 100644
--- a/pyqtgraph/opengl/GLViewWidget.py
+++ b/pyqtgraph/opengl/GLViewWidget.py
@@ -401,11 +401,12 @@ class GLViewWidget(QtWidgets.QOpenGLWidget):
         return xDist / self.width()
         
     def mousePressEvent(self, ev):
-        self.mousePos = ev.pos()
+        self.mousePos = ev.localPos()
         
     def mouseMoveEvent(self, ev):
-        diff = ev.pos() - self.mousePos
-        self.mousePos = ev.pos()
+        lpos = ev.localPos()
+        diff = lpos - self.mousePos
+        self.mousePos = lpos
         
         if ev.buttons() == QtCore.Qt.LeftButton:
             if (ev.modifiers() & QtCore.Qt.ControlModifier):
diff --git a/pyqtgraph/widgets/GraphicsView.py b/pyqtgraph/widgets/GraphicsView.py
index 78b06ae6..4490d4de 100644
--- a/pyqtgraph/widgets/GraphicsView.py
+++ b/pyqtgraph/widgets/GraphicsView.py
@@ -25,6 +25,7 @@ from .. import getConfigOption
 
 __all__ = ['GraphicsView']
 
+
 class GraphicsView(QtGui.QGraphicsView):
     """Re-implementation of QGraphicsView that removes scrollbars and allows unambiguous control of the 
     viewed coordinate range. Also automatically creates a GraphicsScene and a central QGraphicsWidget
@@ -356,8 +357,9 @@ class GraphicsView(QtGui.QGraphicsView):
 
         if not self.mouseEnabled:
             return
-        self.lastMousePos = Point(ev.pos())
-        self.mousePressPos = ev.pos()
+        lpos = ev.localPos()
+        self.lastMousePos = lpos
+        self.mousePressPos = lpos
         self.clickAccepted = ev.isAccepted()
         if not self.clickAccepted:
             self.scene().clearSelection()
@@ -372,15 +374,16 @@ class GraphicsView(QtGui.QGraphicsView):
         return   ## Everything below disabled for now..
         
     def mouseMoveEvent(self, ev):
+        lpos = ev.localPos()
         if self.lastMousePos is None:
-            self.lastMousePos = Point(ev.pos())
-        delta = Point(ev.pos() - self.lastMousePos.toQPoint())
-        self.lastMousePos = Point(ev.pos())
+            self.lastMousePos = lpos
+        delta = Point(lpos - self.lastMousePos)
+        self.lastMousePos = lpos
 
         super().mouseMoveEvent(ev)
         if not self.mouseEnabled:
             return
-        self.sigSceneMouseMoved.emit(self.mapToScene(ev.pos()))
+        self.sigSceneMouseMoved.emit(self.mapToScene(lpos))
             
         if self.clickAccepted:  ## Ignore event if an item in the scene has already claimed it.
             return
diff --git a/pyqtgraph/widgets/JoystickButton.py b/pyqtgraph/widgets/JoystickButton.py
index 709797b5..b668d82d 100644
--- a/pyqtgraph/widgets/JoystickButton.py
+++ b/pyqtgraph/widgets/JoystickButton.py
@@ -18,11 +18,11 @@ class JoystickButton(QtGui.QPushButton):
         
     def mousePressEvent(self, ev):
         self.setChecked(True)
-        self.pressPos = ev.pos()
+        self.pressPos = ev.localPos()
         ev.accept()
         
     def mouseMoveEvent(self, ev):
-        dif = ev.pos()-self.pressPos
+        dif = ev.localPos()-self.pressPos
         self.setState(dif.x(), -dif.y())
         
     def mouseReleaseEvent(self, ev):