Backed out changeset: 70c01dd35100

1 files changed, 30 insertions, 1 deletions

diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py
index d742dd6..74a4749 100644
--- a/Lib/idlelib/EditorWindow.py
+++ b/Lib/idlelib/EditorWindow.py
@@ -317,6 +317,36 @@ class EditorWindow(object):
         self.askinteger = tkSimpleDialog.askinteger
         self.showerror = tkMessageBox.showerror
 
+        self._highlight_workaround()  # Fix selection tags on Windows
+
+    def _highlight_workaround(self):
+        # On Windows, Tk removes painting of the selection
+        # tags which is different behavior than on Linux and Mac.
+        # See issue14146 for more information.
+        if not sys.platform.startswith('win'):
+            return
+
+        text = self.text
+        text.event_add("<<Highlight-FocusOut>>", "<FocusOut>")
+        text.event_add("<<Highlight-FocusIn>>", "<FocusIn>")
+        def highlight_fix(focus):
+            sel_range = text.tag_ranges("sel")
+            if sel_range:
+                if focus == 'out':
+                    HILITE_CONFIG = idleConf.GetHighlight(
+                            idleConf.CurrentTheme(), 'hilite')
+                    text.tag_config("sel_fix", HILITE_CONFIG)
+                    text.tag_raise("sel_fix")
+                    text.tag_add("sel_fix", *sel_range)
+                elif focus == 'in':
+                    text.tag_remove("sel_fix", "1.0", "end")
+
+        text.bind("<<Highlight-FocusOut>>",
+                lambda ev: highlight_fix("out"))
+        text.bind("<<Highlight-FocusIn>>",
+                lambda ev: highlight_fix("in"))
+
+
     def _filename_to_unicode(self, filename):
         """Return filename as BMP unicode so diplayable in Tk."""
         # Decode bytes to unicode.
@@ -755,7 +785,6 @@ class EditorWindow(object):
             insertbackground=cursor_color,
             selectforeground=select_colors['foreground'],
             selectbackground=select_colors['background'],
-            inactiveselectbackground=select_colors['background'],
             )
 
     IDENTCHARS = string.ascii_letters + string.digits + "_"