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LibGUI: Use cursor position when calculating autoscroll delta

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Autoscroll delta now takes into account the cursor
position relative to the widget inner rect height
to allow for faster rubber band autoscrolling.
This commit is contained in:
Ahmed Hussein
2023-05-07 22:00:24 +03:00
committed by Jelle Raaijmakers
parent 064b7a6216
commit 214eaebe73
Notes: sideshowbarker 2024-07-17 02:55:44 +09:00 
Author: https://github.com/AhmedTheGeek 🔰
Commit: https://github.com/SerenityOS/serenity/commit/214eaebe73
Pull-request: https://github.com/SerenityOS/serenity/pull/18714
Issue: https://github.com/SerenityOS/serenity/issues/18398
Reviewed-by: https://github.com/gmta ✅
1 changed files with 2 additions and 2 deletions
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4
Userland/Libraries/LibGUI/AbstractScrollableWidget.cpp
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@@ -333,9 +333,9 @@ Gfx::IntPoint AbstractScrollableWidget::automatic_scroll_delta_from_position(Gfx
Gfx::IntPoint delta { 0, 0 };
if (pos.y() < m_autoscroll_threshold)
delta.set_y(clamp(-(m_autoscroll_threshold - pos.y()), -m_autoscroll_threshold, 0));
delta.set_y(AK::min(pos.y() - m_autoscroll_threshold, 0));
else if (pos.y() > widget_inner_rect().height() - m_autoscroll_threshold)
delta.set_y(clamp(m_autoscroll_threshold - (widget_inner_rect().height() - pos.y()), 0, m_autoscroll_threshold));
delta.set_y(AK::max(pos.y() + m_autoscroll_threshold - widget_inner_rect().height(), 0));
if (pos.x() < m_autoscroll_threshold)
delta.set_x(clamp(-(m_autoscroll_threshold - pos.x()), -m_autoscroll_threshold, 0));