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Fix behavior of evil-scroll-up and evil-scroll-down #1154

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commented May 21, 2019

When header line is enabled, evil-scroll-up and evil-scroll-down won't remain in the same position when scroll.

From my investigation, the root cause was as follows.

On Emacs 24 with non-nil header-line-format, y offset returned by 
`posn-at-point' is relative to the text area not including the header line.  
However, `posn-at-x-y' takes y offset relative to the buffer area including the 
header line.

Before Emacs 24, both of `posn-at-point' and `posn-at-x-y' are relative to the 
buffer area including the header line.

Original comment by on 1 Nov 2013 at 3:06

  • Changed state: Started

Originally posted by @GoogleCodeExporter in google/mozc#196 (comment)

Fix #713. Fix #965. Fix #1063. Close #1080.

(when (eq (posn-area posn) 'header-line)
(cdr (posn-object-width-height posn)))))

(defun evil-posn-x-y (position)

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Alexander-Shukaev Jun 7, 2019


Should be macro to avoid unnecessary branching.

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bet4it Jun 22, 2019


Can you give an example about this?

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