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python ui: implement inertial scrolling for GuiScrollPanel (#34596)

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implement inertial scrolling for GuiScrollPanel
This commit is contained in:
Dean Lee
2025-02-17 04:47:22 +08:00
committed by GitHub
parent d4d0312794
commit fc77ac706e
2 changed files with 26 additions and 2 deletions
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system/ui/text.py
+3 -1
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@@ -14,7 +14,7 @@ LINE_HEIGHT = 64
BUTTON_SIZE = rl.Vector2(310, 160)
DEMO_TEXT = """This is a sample text that will be wrapped and scrolled if necessary.
The text is long enough to demonstrate scrolling and word wrapping.""" * 20
The text is long enough to demonstrate scrolling and word wrapping.""" * 30
def wrap_text(text, font_size, max_width):
lines = []
@@ -50,6 +50,8 @@ def main():
rl.begin_scissor_mode(int(textarea_rect.x), int(textarea_rect.y), int(textarea_rect.width), int(textarea_rect.height))
for i, line in enumerate(wrapped_lines):
position = rl.Vector2(textarea_rect.x + scroll.x, textarea_rect.y + scroll.y + i * LINE_HEIGHT)
if position.y + LINE_HEIGHT < textarea_rect.y or position.y > textarea_rect.y + textarea_rect.height:
continue
rl.draw_text_ex(gui_app.font(), line.strip(), position, FONT_SIZE, 0, rl.WHITE)
rl.end_scissor_mode()