[bug #68150] Axis labels should be displayable also for invisible axes objects

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Update of bug #68150 (group octave):

                  Status:             In Progress => Patch Submitted

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Follow-up Comment #15:

@Pantxo: Can you review patch submitted here?

It adds hidden property *"visiblemode"* to all graphics objects.  The code is
a little bit ugly because there is now an automatic updater which changes
*"visiblemode"* to *"manual"* whenever *set()* is called on *"visible"*
property.  This requires making the change to *"visible"* and then resetting
*"visiblemode"* to *"auto"*.


 void
 axes::properties::update_visible ()
 {
-  xset (m_xlabel.handle_value (), "visible",
-        is_visible () ? "on" : "off");
-  xset (m_ylabel.handle_value (), "visible",
-        is_visible () ? "on" : "off");
-  xset (m_zlabel.handle_value (), "visible",
-        (is_visible () && ! m_is2D) ? "on" : "off");
+  if (xget (m_xlabel.handle_value (), "visiblemode").string_value () ==
"auto")
+    {
+      xset (m_xlabel.handle_value (), "visible", is_visible () ? "on" :
"off");
+      xset (m_xlabel.handle_value (), "visiblemode", "auto");
+    }
+
+  if (xget (m_ylabel.handle_value (), "visiblemode").string_value () ==
"auto")
+    {
+      xset (m_ylabel.handle_value (), "visible", is_visible () ? "on" :
"off");
+      xset (m_ylabel.handle_value (), "visiblemode", "auto");
+    }
+
+  if (xget (m_zlabel.handle_value (), "visiblemode").string_value () ==
"auto")
+    {
+      xset (m_zlabel.handle_value (), "visible",
+            (is_visible () && ! m_is2D) ? "on" : "off");
+      xset (m_zlabel.handle_value (), "visiblemode", "auto");
+    }
 }



(file #58390)

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Additional Item Attachment:

Name: zlabel.diff                    Size: 2.8KiB
    <https://file.savannah.gnu.org/file/zlabel.diff?file_id=58390>


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