Make the default for the "enter_focus" property to be False

- viewer windows will not steal the focus if the mouse moves across them

doc/WhatsNew.rst

@@ -9,6 +9,11 @@ Ver 5.2.0 (unreleased)
 - Fixed an issue with the mouse wheel event scrolling MDI workspaces
 - Fixed a spurious warning when moving the cursor in the Pan plugin
   window and a table or plot viewer is running in the channel
+- Made the enter_focus property default to False
+
+  - Viewer windows will not steal the keyboard focus if the mouse moves
+    over them
+
 
 Ver 5.1.0 (2024-05-22)
 ======================

ginga/qtw/Widgets.py

@@ -1965,10 +1965,14 @@ def __init__(self, parent, child, title='', iconpath=None):
         if iconpath is None:
             iconpath = app_icon_path
         w.setWindowIcon(QIcon(iconpath))
+        #w.setFocusPolicy(QtCore.Qt.StrongFocus)
         self.widget = w
 
         child_w = child.get_widget()
+        # what size does the widget want to be?
+        wd, ht = child_w.width(), child_w.height()
         w.setWidget(child_w)
+        w.resize(wd, ht)
 
         # NOTE: we fire the page-switch callback by intercepting the
         # focus event on the subwindow, rather than off of the

ginga/rv/Control.py

@@ -1849,7 +1849,7 @@ def build_viewpane(self, settings, rgbmap=None, size=(1, 1)):
         # check general settings for default value of enter_focus
         enter_focus = settings.get('enter_focus', None)
         if enter_focus is None:
-            enter_focus = self.settings.get('enter_focus', True)
+            enter_focus = self.settings.get('enter_focus', False)
         fi.set_enter_focus(enter_focus)
         # check general settings for default value of focus indicator
         focus_ind = settings.get('show_focus_indicator', None)