gtk overrides: Drop Gtk.main for Gtk4

It has been removed (gtk commit
4dd780a96b1d37903ab88a4ae4536329cd9e164e)

The associated tests are updated or skipped for Gtk 4.

2 files changed, 26 insertions, 6 deletions

diff --git a/tests/test_ossig.py b/tests/test_ossig.py
index b59f2f5a..9340c02b 100644
--- a/tests/test_ossig.py
+++ b/tests/test_ossig.py
@@ -24,8 +24,10 @@ from contextlib import contextmanager
 
 try:
     from gi.repository import Gtk
+    Gtk_version = Gtk._version
 except ImportError:
     Gtk = None
+    Gtk_version = None
 from gi.repository import Gio, GLib
 from gi._ossighelper import wakeup_on_signal, register_sigint_fallback
 
@@ -90,6 +92,7 @@ class TestOverridesWakeupOnAlarm(unittest.TestCase):
             app.run()
 
     @unittest.skipIf(Gtk is None or os.name == "nt", "not on Windows")
+    @unittest.skipIf(Gtk is None or Gtk_version == "4.0", "not in gtk4")
     def test_gtk_main(self):
         signal.signal(signal.SIGALRM, lambda *args: Gtk.main_quit())
         GLib.idle_add(signal.setitimer, signal.ITIMER_REAL, 0.001)
diff --git a/tests/test_overrides_gtk.py b/tests/test_overrides_gtk.py
index 0b4eae60..d0c6442e 100644
--- a/tests/test_overrides_gtk.py
+++ b/tests/test_overrides_gtk.py
@@ -65,8 +65,14 @@ def realized(widget):
         window.add(widget)
 
     widget.realize()
-    while Gtk.events_pending():
-        Gtk.main_iteration()
+    if Gtk._version == "4.0":
+        context = GLib.MainContext()
+        while context.pending():
+            context.iteration(False)
+    else:
+        while Gtk.events_pending():
+            Gtk.main_iteration()
+
     assert widget.get_realized()
     yield widget
 
@@ -74,8 +80,13 @@ def realized(widget):
         window.remove(widget)
         window.destroy()
 
-    while Gtk.events_pending():
-        Gtk.main_iteration()
+    if Gtk._version == "4.0":
+        context = GLib.MainContext()
+        while context.pending():
+            context.iteration(False)
+    else:
+        while Gtk.events_pending():
+            Gtk.main_iteration()
 
 
 @unittest.skipUnless(Gtk, 'Gtk not available')
@@ -806,6 +817,7 @@ class TestGtk(unittest.TestCase):
         self.assertEqual(stock_item.stock_id, 'gtk-ok')
         self.assertEqual(Gtk.stock_lookup('nosuchthing'), None)
 
+    @unittest.skipIf(Gtk_version == "4.0", "not in gtk4")
     def test_gtk_main(self):
         # with no arguments
         GLib.idle_add(Gtk.main_quit)
@@ -2396,8 +2408,13 @@ class TestTreeView(unittest.TestCase):
 
         with realized(tree):
             tree.set_cursor(model[0].path)
-            while Gtk.events_pending():
-                Gtk.main_iteration()
+            if Gtk._version == "4.0":
+                context = GLib.MainContext()
+                while context.pending():
+                    context.iteration(False)
+            else:
+                while Gtk.events_pending():
+                    Gtk.main_iteration()
 
             self.assertEqual(tree.get_column(0).get_title(), 'Head1')
             self.assertEqual(tree.get_column(1).get_title(), 'Head2')