Paste clipboard with :paste-primary on Windows

qutebrowser/browser/commands.py

@@ -1400,7 +1400,7 @@ class CommandDispatcher:
         try:
             sel = utils.get_clipboard(selection=True)
         except utils.SelectionUnsupportedError:
-            return
+            sel = utils.get_clipboard()
 
         log.misc.debug("Pasting primary selection into element {}".format(
             elem.debug_text()))

tests/integration/features/conftest.py

@@ -202,6 +202,13 @@ def selection_supported(qapp):
         pytest.skip("OS doesn't support primary selection!")
 
 
+@bdd.when("selection is not supported")
+def selection_not_supported(qapp):
+    """Skip the test if selection is supported."""
+    if qapp.clipboard().supportsSelection():
+        pytest.skip("OS supports primary selection!")
+
+
 @bdd.when(bdd.parsers.re(r'I put "(?P<content>.*)" into the '
                          r'(?P<what>primary selection|clipboard)'))
 def fill_clipboard(quteproc, httpbin, what, content):

tests/integration/features/yankpaste.feature

@@ -276,3 +276,14 @@ Feature: Yanking and pasting.
         And I run :enter-mode insert
         And I run :paste-primary
         Then the error "Focused element is not editable!" should be shown
+
+    Scenario: :paste-primary without primary selection supported
+        When selection is not supported
+        And I open data/paste_primary.html
+        And I put "Hello world" into the clipboard
+        # Click the text field
+        And I run :hint all
+        And I run :follow-hint a
+        And I run :paste-primary
+        # Compare
+        Then the text field should contain "Hello world"