Handle showing/hiding of the inspector properly

qutebrowser/browser/inspector.py

@@ -87,6 +87,8 @@ class AbstractWebInspector(QWidget):
         data = bytes(self.saveGeometry())
         geom = base64.b64encode(data).decode('ASCII')
         configfiles.state['geometry']['inspector'] = geom
+
+        self.inspect(None)
         super().closeEvent(e)
 
     def inspect(self, page):
@@ -99,3 +101,4 @@ class AbstractWebInspector(QWidget):
             self.hide()
         else:
             self.inspect(page)
+            self.show()

qutebrowser/browser/webengine/webengineinspector.py

@@ -39,7 +39,7 @@ class WebEngineInspector(inspector.AbstractWebInspector):
         settings.setAttribute(QWebEngineSettings.JavascriptEnabled, True)
         self._set_widget(view)
 
-    def _inspect_old(self):
+    def _inspect_old(self, page):
         """Set up the inspector for Qt < 5.11."""
         try:
             port = int(os.environ['QTWEBENGINE_REMOTE_DEBUGGING'])
@@ -48,7 +48,11 @@ class WebEngineInspector(inspector.AbstractWebInspector):
                 "QtWebEngine inspector is not enabled. See "
                 "'qutebrowser --help' for details.")
         url = QUrl('http://localhost:{}/'.format(port))
-        self._widget.load(url)
+
+        if page is None:
+            self._widget.load(QUrl('about:blank'))
+        else:
+            self._widget.load(url)
 
     def _inspect_new(self, page):
         """Set up the inspector for Qt >= 5.11."""
@@ -58,5 +62,4 @@ class WebEngineInspector(inspector.AbstractWebInspector):
         try:
             self._inspect_new(page)
         except AttributeError:
-            self._inspect_old()
-        self.show()
+            self._inspect_old(page)

qutebrowser/browser/webkit/webkitinspector.py

@@ -41,4 +41,3 @@ class WebKitInspector(inspector.AbstractWebInspector):
                 "Please enable content.developer_extras before using the "
                 "webinspector!")
         self._widget.setPage(page)
-        self.show()