STRLCPY/alacritty

Apply horizontal scrolling when the angle between the axis X
and (x, y) vector is lower than 25 degrees.

Fixes #6711.

Total 1 files

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alacritty/src/input.rs

		skipped 647 lines
648	648		let new_scroll_px_y = lines * self.ctx.size_info().cell_height();
649	649		self.scroll_terminal(new_scroll_px_x as f64, new_scroll_px_y as f64);
650	650		},
651		-	MouseScrollDelta::PixelDelta(lpos) => {
	651	+	MouseScrollDelta::PixelDelta(mut lpos) => {
652	652		match phase {
653	653		TouchPhase::Started => {
654	654		// Reset offset to zero.
655	655		self.ctx.mouse_mut().accumulated_scroll = Default::default();
656	656		},
657	657		TouchPhase::Moved => {
	658	+	// When the angle between (x, 0) and (x, y) is lower than ~25 degrees
	659	+	// (cosine is larger that 0.9) we consider this scrolling as horizontal.
	660	+	if lpos.x.abs() / lpos.x.hypot(lpos.y) > 0.9 {
	661	+	lpos.y = 0.;
	662	+	} else {
	663	+	lpos.x = 0.;
	664	+	}
	665	+
658	666		self.scroll_terminal(lpos.x, lpos.y);
659	667		},
660	668		_ => (),
		skipped 865 lines