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Fix some issues with the experimental UIScrollArea #1948

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Merged
merged 1 commit into from
Jan 11, 2024
Merged

Fix some issues with the experimental UIScrollArea #1948

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16 changes: 10 additions & 6 deletions arcade/gui/examples/scroll_area.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,24 +24,27 @@
from arcade import Window
from arcade.gui import UIManager, UIWidget, Property, Surface, UIDummy, UIEvent, bind, \
UIMouseDragEvent, UIMouseScrollEvent, UIMouseEvent, UIBoxLayout, UIFlatButton, UIInputText
from arcade.types import Point


class UIScrollArea(UIWidget):
scroll_x = Property[float](default=0.0)
scroll_y = Property[float](default=0.0)
canvas_size = Property[Point](default=(300.0, 300.0))

scroll_speed = 1.3
invert_scroll = False

def __init__(self, *, x: float = 0, y: float = 0, width: float = 300, height: float = 300,
children: Iterable["UIWidget"] = tuple(), size_hint=None, size_hint_min=None, size_hint_max=None,
def __init__(self, *,
x: float = 0, y: float = 0, width: float = 300, height: float = 300,
children: Iterable["UIWidget"] = tuple(),
size_hint=None,
size_hint_min=None,
size_hint_max=None,
canvas_size=(300, 300),
**kwargs):
super().__init__(x=x, y=y, width=width, height=height, children=children, size_hint=size_hint,
size_hint_min=size_hint_min, size_hint_max=size_hint_max, **kwargs)
self.surface = Surface(
size=(300, 300),
size=canvas_size,
)

bind(self, "scroll_x", self.trigger_full_render)
Expand Down Expand Up @@ -72,7 +75,8 @@ def _do_render(self, surface: Surface, force=False) -> bool:

def do_render(self, surface: Surface):
self.prepare_render(surface)
width, height = self.content_size
# draw the whole surface, the scissor box, will limit the visible area on screen
width, height = self.surface.size
self.surface.position = (-self.scroll_x, -self.scroll_y)
self.surface.draw((0, 0, width, height))

Expand Down