mirror of
https://git.lynn.is/Gwen/python-layout.git
synced 2024-01-13 01:31:55 +01:00
65 lines
2.6 KiB
Python
65 lines
2.6 KiB
Python
from . import Layout
|
|
from .internal.flexlayouter import FlexLayouter
|
|
from .internal.helpers import min_with_none, max_with_none
|
|
from .enums import FlexDirection, FlexWrap, FlexJustify, FlexAlignItems, FlexAlignContent
|
|
|
|
|
|
class Flex(Layout):
|
|
def __init__(
|
|
self,
|
|
|
|
contents=None,
|
|
direction=FlexDirection.ROW,
|
|
wrap=FlexWrap.NO_WRAP,
|
|
justify=FlexJustify.START,
|
|
align_items=FlexAlignItems.START,
|
|
align_content=FlexAlignContent.START,
|
|
gap=0,
|
|
|
|
**kwargs
|
|
):
|
|
super().__init__(**kwargs)
|
|
if contents is None:
|
|
contents = []
|
|
self.direction = direction
|
|
self.wrap = wrap
|
|
self.justify = justify
|
|
self.align_items = align_items
|
|
self.align_content = align_content
|
|
self.gap = gap
|
|
self.contents = contents
|
|
self.flex_layouter = FlexLayouter(contents, gap, direction, wrap, justify, align_content, align_items)
|
|
|
|
def children(self):
|
|
return self.contents
|
|
|
|
def get_min_inner_width(self, max_height=None):
|
|
max_width = min_with_none(self.max_width, 0)
|
|
width, _ = self.flex_layouter.get_dimensions(self.min_width, self.min_height, max_width,
|
|
min_with_none(self.max_height, max_height))
|
|
return width
|
|
|
|
def get_min_inner_height(self, max_width=None):
|
|
max_height = min_with_none(self.min_height, 0)
|
|
_, height = self.flex_layouter.get_dimensions(self.min_width, self.min_height,
|
|
min_with_none(self.max_width, max_width), max_height)
|
|
return height
|
|
|
|
def get_ideal_inner_dimensions(self, min_width=None, min_height=None, available_width=None, available_height=None):
|
|
min_width = max_with_none(min_width, self.min_width)
|
|
min_height = max_with_none(min_height, self.min_height)
|
|
available_width = min_with_none(available_width, self.max_width, self.width)
|
|
available_height = min_with_none(available_height, self.max_height, self.height)
|
|
return self.flex_layouter.get_dimensions(min_width, min_height, available_width, available_height)
|
|
|
|
def render_content(self, rect):
|
|
image = self.make_canvas()
|
|
x1, y1, x2, y2 = rect
|
|
width = x2 - x1 + 1
|
|
height = y2 - y1 + 1
|
|
contents = self.flex_layouter.arrange(self.min_width, self.min_height, width, height)
|
|
for (cx1, cy1, cx2, cy2), content in contents:
|
|
content_image = content.render((cx1 + x1, cy1 + y1, cx2 + x1, cy2 + y1))
|
|
image.alpha_composite(content_image)
|
|
return image
|