Added ability to toggle view visibility.

src/core/widgets/code/command_system/commands/focus_left_sibling.py

@@ -18,4 +18,5 @@ def execute(
 ):
     logger.debug("Command: Focus Left Sibling")
     if not view.sibling_left: return
+    view.sibling_left.get_parent().show()
     view.sibling_left.grab_focus()

src/core/widgets/code/command_system/commands/focus_right_sibling.py

@@ -18,4 +18,5 @@ def execute(
 ):
     logger.debug("Command: Focus Right Sibling")
     if not view.sibling_right: return
+    view.sibling_right.get_parent().show()
     view.sibling_right.grab_focus()

src/core/widgets/code/command_system/commands/move_to_left_sibling.py

@@ -23,6 +23,7 @@ def execute(
     popped_file, next_file = view.command.get_swap_file(view)
 
     view.sibling_left.set_buffer(buffer)
+    view.sibling_left.get_parent().show()
     view.sibling_left.grab_focus()
 
     if next_file:

src/core/widgets/code/command_system/commands/move_to_right_sibling.py

@@ -23,6 +23,7 @@ def execute(
     popped_file, next_file = view.command.get_swap_file(view)
 
     view.sibling_right.set_buffer(buffer)
+    view.sibling_right.get_parent().show()
     view.sibling_right.grab_focus()
 
     if next_file:

src/core/widgets/code/controllers/views/source_views_controller.py

@@ -87,6 +87,8 @@ class SourceViewsController(ControllerBase, list):
     def first_map_load(self):
         for source_view in self:
             source_view.command.exec("new_file")
+            if not source_view.sibling_left: continue
+            source_view.get_parent().hide()
 
         source_view = self[0]
         source_view.grab_focus()