Add QWebEngineView subclass

qutebrowser/browser/webengine/webenginetab.py

@@ -28,6 +28,7 @@ except ImportError:
     QWebEnginePage = None
 
 from qutebrowser.browser import tab
+from qutebrowser.browser.webengine import webview
 from qutebrowser.utils import usertypes, qtutils
 
 
@@ -99,7 +100,7 @@ class WebEngineViewTab(tab.AbstractTab):
 
     def __init__(self, win_id, parent=None):
         super().__init__(win_id)
-        widget = QWebEngineView()
+        widget = webview.WebEngineView()
         self.history = WebEngineHistory(self)
         self.scroll = WebEngineScroller()
         self.caret = WebEngineCaret(win_id=win_id, tab=self, parent=self)

qutebrowser/browser/webengine/webview.py

@@ -0,0 +1,41 @@
+# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
+
+# Copyright 2014-2016 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# qutebrowser is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+"""The main browser widget for QtWebEngine."""
+
+
+from PyQt5.QtCore import pyqtSignal, Qt, QPoint
+from PyQt5.QtWebEngineWidgets import QWebEngineView
+
+
+class WebEngineView(QWebEngineView):
+
+    mouse_wheel_zoom = pyqtSignal(QPoint)
+
+    def wheelEvent(self, e):
+        """Zoom on Ctrl-Mousewheel.
+
+        Args:
+            e: The QWheelEvent.
+        """
+        if e.modifiers() & Qt.ControlModifier:
+            e.accept()
+            self.mouse_wheel_zoom.emit(e.angleDelta())
+        else:
+            super().wheelEvent(e)