1 from tuikit.core.coords import Point, Size

     2 

     3 

     4 class Widget:

     5 

     6     """Base class for all widgets."""

     7 

     8     _num_instances = 0

     9 

    10     def __init__(self):

    11         #: Widget name is used for logging etc. Not visible anywhere.

    12         self._num_instances += 1

    13         self.name = '{}{}'.format(

    14             self.__class__.__name__,

    15             self._num_instances)

    16 

    17         #: Parent Widget

    18         self.parent = None

    19         #: Window owning this Widget

    20         self.window = None

    21 

    22         ### placing and size

    23         #: Position inside parent widget. Modified by layout manager.

    24         self.pos = Point()

    25         #: Actual size. Modified by layout manager.

    26         self.size = Size(10, 10)

    27         #: Requested size. Layout manager will use this when placing the widget.

    28         self.sizereq = Size(1, 1)

    29         #: Minimal size of widget. Widget will never be sized smaller than this.

    30         self.sizemin = Size(1, 1)

    31         #: Maximum size of widget. Widget will never be sized bigger than this.

    32         #: None means no maximum size (infinite).

    33         self.sizemax = Size(None, None)

    34 

    35     ## placing and size ##

    36 

    37     @property

    38     def x(self):

    39         return self.pos.x

    40 

    41     @property

    42     def y(self):

    43         return self.pos.y

    44 

    45     @property

    46     def width(self):

    47         return self.size.w

    48 

    49     @property

    50     def height(self):

    51         return self.size.h

    52 

    53     ## drawing ##

    54 

    55     def draw(self, buffer, x, y):

    56         pass