Add qtutils.is_wayland()

Backported to v3.0.x as simpler fix: b317038a01094136d06d4cb769b7755450b94f61

4 files changed, 20 insertions, 2 deletions

diff --git a/doc/changelog.asciidoc b/doc/changelog.asciidoc
index ddded0983..b02daf73e 100644
--- a/doc/changelog.asciidoc
+++ b/doc/changelog.asciidoc
@@ -30,6 +30,8 @@ Fixed
 - Navigating via hints to a remote URL from a file:// one works again. (#7847)
 - The timers related to the tab audible indicator and the auto follow timeout
   no longer accumulate connections over time. (#7888)
+- The workaround for crashes when using drag & drop on Wayland with Qt 6.5.2 now also
+  works correctly when using `wayland-egl` rather than `wayland` as Qt platform.
 - Upgraded the bundled Qt version to 6.5.3. Note this is only relevant for the
   macOS/Windows releases, on Linux those will be upgraded via your distribution
   packages. This Qt patch release comes with
diff --git a/qutebrowser/keyinput/eventfilter.py b/qutebrowser/keyinput/eventfilter.py
index 306d4405b..a9e7e78aa 100644
--- a/qutebrowser/keyinput/eventfilter.py
+++ b/qutebrowser/keyinput/eventfilter.py
@@ -11,7 +11,7 @@ from qutebrowser.qt.gui import QKeyEvent, QWindow
 
 from qutebrowser.keyinput import modeman
 from qutebrowser.misc import quitter, objects
-from qutebrowser.utils import objreg, debug, log
+from qutebrowser.utils import objreg, debug, log, qtutils
 
 
 class EventFilter(QObject):
@@ -86,7 +86,7 @@ class EventFilter(QObject):
 
         if (
             ev_type == QEvent.Type.DragEnter and
-            objects.qapp.platformName() == "wayland" and
+            qtutils.is_wayland() and
             qVersion() == "6.5.2"
         ):
             # WORKAROUND for https://bugreports.qt.io/browse/QTBUG-115757
diff --git a/qutebrowser/utils/qtutils.py b/qutebrowser/utils/qtutils.py
index ebcd6578f..5e36a90d2 100644
--- a/qutebrowser/utils/qtutils.py
+++ b/qutebrowser/utils/qtutils.py
@@ -123,6 +123,11 @@ def is_single_process() -> bool:
     return '--single-process' in args
 
 
+def is_wayland() -> bool:
+    """Check if we are running on Wayland."""
+    return objects.qapp.platformName() in ["wayland", "wayland-egl"]
+
+
 def check_overflow(arg: int, ctype: str, fatal: bool = True) -> int:
     """Check if the given argument is in bounds for the given type.
 
diff --git a/tests/unit/utils/test_qtutils.py b/tests/unit/utils/test_qtutils.py
index 541f4e4fe..3aceca668 100644
--- a/tests/unit/utils/test_qtutils.py
+++ b/tests/unit/utils/test_qtutils.py
@@ -110,6 +110,17 @@ def test_is_single_process(monkeypatch, stubs, backend, arguments, single_proces
     assert qtutils.is_single_process() == single_process
 
 
+@pytest.mark.parametrize('platform, is_wayland', [
+    ("wayland", True),
+    ("wayland-egl", True),
+    ("xcb", False),
+])
+def test_is_wayland(monkeypatch, stubs, platform, is_wayland):
+    qapp = stubs.FakeQApplication(platform_name=platform)
+    monkeypatch.setattr(qtutils.objects, 'qapp', qapp)
+    assert qtutils.is_wayland() == is_wayland
+
+
 class TestCheckOverflow:
 
     """Test check_overflow."""