Bugfixes:

- ViewBox ignore bounds on zoom box
- Fixed improper pixel size caching
- Fixed check for 'win' in sys.platform (matches 'darwin' as well)

pyqtgraph/graphicsItems/ScatterPlotItem.py

@@ -599,7 +599,7 @@ class ScatterPlotItem(GraphicsObject):
         self.invalidate()
 
     def dataBounds(self, ax, frac=1.0, orthoRange=None):
-        if frac >= 1.0 and self.bounds[ax] is not None:
+        if frac >= 1.0 and orthoRange is None and self.bounds[ax] is not None:
             return self.bounds[ax]
         
         #self.prepareGeometryChange()

pyqtgraph/graphicsItems/ViewBox/ViewBox.py

@@ -138,7 +138,7 @@ class ViewBox(GraphicsWidget):
         self.rbScaleBox.setPen(fn.mkPen((255,255,100), width=1))
         self.rbScaleBox.setBrush(fn.mkBrush(255,255,0,100))
         self.rbScaleBox.hide()
-        self.addItem(self.rbScaleBox)
+        self.addItem(self.rbScaleBox, ignoreBounds=True)
         
         self.axHistory = [] # maintain a history of zoom locations
         self.axHistoryPointer = -1 # pointer into the history. Allows forward/backward movement, not just "undo"

pyqtgraph/ptime.py

@@ -20,7 +20,7 @@ def unixTime():
     """Return the current time in seconds with high precision (unix version, use Manager.time() to stay platform independent)."""
     return systime.time()
 
-if 'win' in sys.platform:
+if sys.platform.startswith('win'):
     cstart = systime.clock()  ### Required to start the clock in windows
     START_TIME = systime.time() - cstart
     

pyqtgraph/widgets/RemoteGraphicsView.py

@@ -32,7 +32,7 @@ class RemoteGraphicsView(QtGui.QWidget):
         self.setMouseTracking(True)
         self.shm = None
         shmFileName = self._view.shmFileName()
-        if 'win' in sys.platform:
+        if sys.platform.startswith('win'):
             self.shmtag = shmFileName
         else:
             self.shmFile = open(shmFileName, 'r')
@@ -60,7 +60,7 @@ class RemoteGraphicsView(QtGui.QWidget):
         if self.shm is None or self.shm.size != size:
             if self.shm is not None:
                 self.shm.close()
-            if 'win' in sys.platform:
+            if sys.platform.startswith('win'):
                 self.shmtag = newfile   ## on windows, we create a new tag for every resize
                 self.shm = mmap.mmap(-1, size, self.shmtag) ## can't use tmpfile on windows because the file can only be opened once.
             else:
@@ -119,7 +119,7 @@ class Renderer(GraphicsView):
     
     def __init__(self, *args, **kwds):
         ## Create shared memory for rendered image
-        if 'win' in sys.platform:
+        if sys.platform.startswith('win'):
             self.shmtag = "pyqtgraph_shmem_" + ''.join([chr((random.getrandbits(20)%25) + 97) for i in range(20)])
             self.shm = mmap.mmap(-1, mmap.PAGESIZE, self.shmtag) # use anonymous mmap on windows
         else:
@@ -138,11 +138,11 @@ class Renderer(GraphicsView):
         
     def close(self):
         self.shm.close()
-        if 'win' not in sys.platform:
+        if sys.platform.startswith('win'):
             self.shmFile.close()
         
     def shmFileName(self):
-        if 'win' in sys.platform:
+        if sys.platform.startswith('win'):
             return self.shmtag
         else:
             return self.shmFile.name
@@ -164,7 +164,7 @@ class Renderer(GraphicsView):
                 return
             size = self.width() * self.height() * 4
             if size > self.shm.size():
-                if 'win' in sys.platform:
+                if sys.platform.startswith('win'):
                     ## windows says "WindowsError: [Error 87] the parameter is incorrect" if we try to resize the mmap
                     self.shm.close()
                     ## it also says (sometimes) 'access is denied' if we try to reuse the tag.