1 

     2 :mod:`curses.panel` --- A panel stack extension for curses.

     3 ===========================================================

     4 

     5 .. module:: curses.panel

     6    :synopsis: A panel stack extension that adds depth to  curses windows.

     7 .. sectionauthor:: A.M. Kuchling <amk@amk.ca>

     8 

     9 

    10 Panels are windows with the added feature of depth, so they can be stacked on

    11 top of each other, and only the visible portions of each window will be

    12 displayed.  Panels can be added, moved up or down in the stack, and removed.

    13 

    14 

    15 .. _cursespanel-functions:

    16 

    17 Functions

    18 ---------

    19 

    20 The module :mod:`curses.panel` defines the following functions:

    21 

    22 

    23 .. function:: bottom_panel()

    24 

    25    Returns the bottom panel in the panel stack.

    26 

    27 

    28 .. function:: new_panel(win)

    29 

    30    Returns a panel object, associating it with the given window *win*. Be aware

    31    that you need to keep the returned panel object referenced explicitly.  If you

    32    don't, the panel object is garbage collected and removed from the panel stack.

    33 

    34 

    35 .. function:: top_panel()

    36 

    37    Returns the top panel in the panel stack.

    38 

    39 

    40 .. function:: update_panels()

    41 

    42    Updates the virtual screen after changes in the panel stack. This does not call

    43    :func:`curses.doupdate`, so you'll have to do this yourself.

    44 

    45 

    46 .. _curses-panel-objects:

    47 

    48 Panel Objects

    49 -------------

    50 

    51 Panel objects, as returned by :func:`new_panel` above, are windows with a

    52 stacking order. There's always a window associated with a panel which determines

    53 the content, while the panel methods are responsible for the window's depth in

    54 the panel stack.

    55 

    56 Panel objects have the following methods:

    57 

    58 

    59 .. method:: Panel.above()

    60 

    61    Returns the panel above the current panel.

    62 

    63 

    64 .. method:: Panel.below()

    65 

    66    Returns the panel below the current panel.

    67 

    68 

    69 .. method:: Panel.bottom()

    70 

    71    Push the panel to the bottom of the stack.

    72 

    73 

    74 .. method:: Panel.hidden()

    75 

    76    Returns true if the panel is hidden (not visible), false otherwise.

    77 

    78 

    79 .. method:: Panel.hide()

    80 

    81    Hide the panel. This does not delete the object, it just makes the window on

    82    screen invisible.

    83 

    84 

    85 .. method:: Panel.move(y, x)

    86 

    87    Move the panel to the screen coordinates ``(y, x)``.

    88 

    89 

    90 .. method:: Panel.replace(win)

    91 

    92    Change the window associated with the panel to the window *win*.

    93 

    94 

    95 .. method:: Panel.set_userptr(obj)

    96 

    97    Set the panel's user pointer to *obj*. This is used to associate an arbitrary

    98    piece of data with the panel, and can be any Python object.

    99 

   100 

   101 .. method:: Panel.show()

   102 

   103    Display the panel (which might have been hidden).

   104 

   105 

   106 .. method:: Panel.top()

   107 

   108    Push panel to the top of the stack.

   109 

   110 

   111 .. method:: Panel.userptr()

   112 

   113    Returns the user pointer for the panel.  This might be any Python object.

   114 

   115 

   116 .. method:: Panel.window()

   117 

   118    Returns the window object associated with the panel.

   119