Fix remaining implicit int issues with QtWebKit

See #4928

qutebrowser/browser/webkit/webkittab.py

@@ -434,12 +434,12 @@ def to_point(self, point):
     def to_anchor(self, name):
         self._widget.page().mainFrame().scrollToAnchor(name)
 
-    def delta(self, x=0, y=0):
+    def delta(self, x: int = 0, y: int = 0) -> None:
         qtutils.check_overflow(x, 'int')
         qtutils.check_overflow(y, 'int')
         self._widget.page().mainFrame().scroll(x, y)
 
-    def delta_page(self, x=0.0, y=0.0):
+    def delta_page(self, x: float = 0.0, y: float = 0.0) -> None:
         if y.is_integer():
             y = int(y)
             if y == 0:
@@ -452,7 +452,7 @@ def delta_page(self, x=0.0, y=0.0):
         if x == 0 and y == 0:
             return
         size = self._widget.page().mainFrame().geometry()
-        self.delta(x * size.width(), y * size.height())
+        self.delta(int(x * size.width()), int(y * size.height()))
 
     def to_perc(self, x=None, y=None):
         if x is None and y == 0:

qutebrowser/utils/debug.py

@@ -120,7 +120,8 @@ def qenum_key(base: typing.Type,
 
     try:
         idx = base.staticMetaObject.indexOfEnumerator(klass.__name__)
-        ret = base.staticMetaObject.enumerator(idx).valueToKey(value)
+        meta_enum = base.staticMetaObject.enumerator(idx)
+        ret = meta_enum.valueToKey(int(value))
     except AttributeError:
         ret = None
 

tests/unit/utils/test_debug.py

@@ -176,6 +176,26 @@ def test_qflags_key(self, base, value, klass, expected):
         flags = debug.qflags_key(base, value, klass=klass)
         assert flags == expected
 
+    def test_find_flags(self):
+        """Test a weird TypeError we get from PyQt.
+
+        In exactly this constellation (happening via the "Searching with
+        --reverse" BDD test), calling QMetaEnum::valueToKey without wrapping
+        the flags in int() causes a TypeError.
+
+        No idea what's happening here exactly...
+        """
+        QWebPage = pytest.importorskip("PyQt5.QtWebKitWidgets").QWebPage
+
+        flags = QWebPage.FindWrapsAroundDocument
+        flags |= QWebPage.FindBackward
+        flags &= ~QWebPage.FindBackward
+        flags &= ~QWebPage.FindWrapsAroundDocument
+
+        debug.qflags_key(QWebPage,
+                         flags,
+                         klass=QWebPage.FindFlag)
+
     def test_add_base(self):
         """Test with add_base=True."""
         flags = debug.qflags_key(Qt, Qt.AlignTop, add_base=True)