Stop the edition of Selection fields in editable Treeviews on focus-out

Closes #12308

tryton/tryton/common/__init__.py

@@ -7,12 +7,12 @@ from .common import (
     RPCException, RPCExecute, RPCProgress, Tooltips, apply_label_attributes,
     ask, check_version, concurrency, data2pixbuf, date_format, ellipsize,
     error, file_open, file_selection, file_write, filter_domain,
-    generateColorscheme, get_align, get_credentials, get_hostname, get_port,
-    get_sensible_widget, get_toplevel_window, hex2rgb, highlight_rgb, humanize,
-    idle_add, mailto, message, node_attributes, open_documentation, play_sound,
-    process_exception, resize_pixbuf, selection, setup_window, slugify, sur,
-    sur_3b, timezoned_date, to_xml, untimezoned_date, url_open, userwarning,
-    warning)
+    generateColorscheme, get_align, get_credentials, get_gdk_backend,
+    get_hostname, get_port, get_sensible_widget, get_toplevel_window, hex2rgb,
+    highlight_rgb, humanize, idle_add, mailto, message, node_attributes,
+    open_documentation, play_sound, process_exception, resize_pixbuf,
+    selection, setup_window, slugify, sur, sur_3b, timezoned_date, to_xml,
+    untimezoned_date, url_open, userwarning, warning)
 from .domain_inversion import (
     concat, domain_inversion, eval_domain, extract_reference_models,
     filter_leaf, inverse_leaf, localize_domain, merge,
@@ -55,6 +55,7 @@ __all__ = [
     generateColorscheme,
     get_align,
     get_credentials,
+    get_gdk_backend,
     get_hostname,
     get_port,
     get_sensible_widget,

tryton/tryton/common/common.py

@@ -1490,3 +1490,17 @@ def play_sound(self, sound='success'):
         playsound(os.path.join(SOUNDS_DIR, f'{sound}.wav'))
     except ImportError:
         pass
+
+
+def get_gdk_backend():
+    if sys.platform == 'darwin':
+        return 'macos'
+    elif sys.platform == 'win32':
+        return 'win32'
+    else:
+        dm = Gdk.DisplayManager.get()
+        default = dm.props.default_display
+        dm_class_name = default.__class__.__name__.lower()
+        if 'wayland' in dm_class_name:
+            return 'wayland'
+        return 'x11'

tryton/tryton/gui/window/view_form/view/list_gtk/widget.py

@@ -11,7 +11,8 @@ from weakref import WeakKeyDictionary
 from gi.repository import Gdk, GLib, Gtk
 
 import tryton.common as common
-from tryton.common import data2pixbuf, file_open, file_selection, file_write
+from tryton.common import (
+    data2pixbuf, file_open, file_selection, file_write, get_gdk_backend)
 from tryton.common.cellrendererbutton import CellRendererButton
 from tryton.common.cellrendererclickablepixbuf import (
     CellRendererClickablePixbuf)
@@ -1131,10 +1132,12 @@ class Selection(GenericText, SelectionMixin, PopdownMixin):
     def editing_started(self, cell, editable, path):
         super(Selection, self).editing_started(cell, editable, path)
         record, field = self._get_record_field_from_path(path)
-        # Combobox does not emit remove-widget when focus is changed
-        self.editable.connect(
-            'editing-done',
-            lambda *a: self.editable.emit('remove-widget'))
+        gdk_backend = get_gdk_backend()
+        if gdk_backend == 'x11':
+            # Combobox does not emit remove-widget when focus is changed
+            self.editable.connect(
+                'editing-done',
+                lambda *a: self.editable.emit('remove-widget'))
 
         selection_shortcuts(editable)
 
@@ -1142,6 +1145,14 @@ class Selection(GenericText, SelectionMixin, PopdownMixin):
             return self.set_value(editable, record, field)
         editable.get_child().connect('activate', set_value)
         editable.get_child().connect('focus-out-event', set_value)
+
+        if gdk_backend != 'x11':
+            # For non X11 backend we can rely the focus-out-event to be sent
+            # correctly
+            def remove_entry(entry, event):
+                editable.emit('editing-done')
+                editable.emit('remove-widget')
+            editable.get_child().connect('focus-out-event', remove_entry)
         editable.connect('changed', set_value)
 
         self.update_selection(record, field)