Windows 10 issue with creating new data viewers
After a first data viewer has been created, if a dataset is dragged onto the canvas, glue thinks it is inside the first data viewer even if it is not, so a second data viewer can't be created.

The user who reported this had the following setup:

```
Glue: 0.7.1
PyQt4: PyQt: 4.11.4 - Qt: 4.8.7
PyQt5: Not installed
PySide: Not installed
setuptools: 20.6.7
numpy: 1.10.4
matplotlib: 1.5.1
pandas: 0.18.0
astropy: 1.1.2
dill: Not installed
h5py: 2.5.0
scipy: 0.17.0
skimage: 0.11.3
IPython: 4.1.2
ipykernel: 4.3.1
qtconsole: 4.2.1
traitlets: 4.2.1
pygments: 2.1.3
zmq: 15.2.0
pyavm: Not installed
mock: Not installed
pytest: 2.8.1
plotly: Not installed
```

diff --git a/CHANGES.md b/CHANGES.md
index fba68838..62a8d924 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -12,6 +12,9 @@ v0.8.2 (unreleased)
 * Make sure histograms are updated if only the attribute changes and the
   limits and number of bins stay the same. [#1012]
 
+* Fix a bug on Windows that caused drag and dropping files onto the glue
+  application to not work. [#1007]
+
 v0.8.1 (2016-05-25)
 -------------------
 
diff --git a/glue/app/qt/application.py b/glue/app/qt/application.py
index 810859a6..1601adbf 100644
--- a/glue/app/qt/application.py
+++ b/glue/app/qt/application.py
@@ -884,9 +884,21 @@ class GlueApplication(Application, QtGui.QMainWindow):
             event.ignore()
 
     def dropEvent(self, event):
+
         urls = event.mimeData().urls()
+
         for url in urls:
-            self.load_data(url.path())
+
+            # Get path to file
+            path = url.path()
+
+            # Workaround for a Qt bug that causes paths to start with a /
+            # on Windows: https://bugreports.qt.io/browse/QTBUG-46417
+            if sys.platform.startswith('win'):
+                if path.startswith('/') and path[2] == ':':
+                    path = path[1:]
+
+            self.load_data(path)
         event.accept()
 
     def report_error(self, message, detail):
['glue/app/qt/application.py', 'CHANGES.md']