Continuization: Delay before showing default behavior

biolab · Feb 11, 2023 · 3592756 · 3592756
1 parent 0063152
commit 3592756
Showing 1 changed file with 11 additions and 2 deletions.
diff --git a/Orange/widgets/data/owcontinuize.py b/Orange/widgets/data/owcontinuize.py
@@ -6,7 +6,7 @@
 import scipy.sparse as sp
 
 from AnyQt.QtCore import Qt, QSize, QAbstractListModel, QObject, \
-    QItemSelectionModel
+    QItemSelectionModel, QTimer
 from AnyQt.QtGui import QColor
 from AnyQt.QtWidgets import QButtonGroup, QRadioButton, QListView
 
@@ -126,6 +126,8 @@ def __init__(self, valid_type):
             valid_types=(valid_type, ), strict_type=True)
 
     def data(self, index, role=Qt.DisplayRole):
+        if role == Qt.ToolTipRole:
+            return None
         if role == self.FilterRole:
             name = super().data(index, Qt.DisplayRole)
             if not isinstance(name, str):
@@ -214,7 +216,12 @@ def __init__(self, *args, **kwargs):
         self.default_view = None
         super().__init__(preferred_size=QSize(350, -1), *args, **kwargs)
         self.setItemDelegate(self.Delegate(self))
+
         self.force_hints = False
+        self.update_timer = QTimer()
+        self.update_timer.setInterval(500)
+        self.update_timer.setSingleShot(True)
+        self.update_timer.timeout.connect(self.viewport().update)
 
     def select_default(self):
         """Select the item representing default settings"""
@@ -261,10 +268,12 @@ def __layout(self):
 
     def enterEvent(self, _):
         self.itemDelegate().set_default_hints(True)
-        self.viewport().update()
+        self.update_timer.start()
 
     def leaveEvent(self, _):
         self.itemDelegate().set_default_hints(False)
+        if self.update_timer.isActive():
+            self.update_timer.stop()
         self.viewport().update()