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[Emacs-diffs] emacs-26 8eb6870: Fix vertical cursor motion in pixel-scro
From: |
Eli Zaretskii |
Subject: |
[Emacs-diffs] emacs-26 8eb6870: Fix vertical cursor motion in pixel-scroll.el |
Date: |
Fri, 1 Dec 2017 03:57:44 -0500 (EST) |
branch: emacs-26
commit 8eb6870be690128fb1cbc012c55093813c39830c
Author: Tak Kunihiro <address@hidden>
Commit: Eli Zaretskii <address@hidden>
Fix vertical cursor motion in pixel-scroll.el
* lisp/pixel-scroll.el (pixel-scroll-up): Move cursor down
regardless of whether EOB is shown at the top.
(pixel-scroll-down) Move cursor up regardless of whether BOB
is shown at the top. (Bug#29374)
---
lisp/pixel-scroll.el | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/lisp/pixel-scroll.el b/lisp/pixel-scroll.el
index 9bfe5c9..f64a439 100644
--- a/lisp/pixel-scroll.el
+++ b/lisp/pixel-scroll.el
@@ -110,11 +110,11 @@ This is an alternative of `scroll-up'. Scope moves
downward."
pixel-resolution-fine-flag
(frame-char-height))
(pixel-line-height))))
- (if (pixel-eob-at-top-p) ; when end-of-the-buffer is close
- (scroll-up 1) ; relay on robust method
- (while (pixel-point-at-top-p amt) ; prevent too late (multi tries)
- (vertical-motion 1)) ; move point downward
- (pixel-scroll-pixel-up amt))))) ; move scope downward
+ (while (pixel-point-at-top-p amt) ; prevent too late (multi tries)
+ (vertical-motion 1)) ; move point downward
+ (if (pixel-eob-at-top-p) ; when end-of-the-buffer is close
+ (scroll-up 1) ; relay on robust method
+ (pixel-scroll-pixel-up amt))))) ; move scope downward
(defun pixel-scroll-down (&optional arg)
"Scroll text of selected window down ARG lines.
@@ -127,11 +127,11 @@ This is and alternative of `scroll-down'. Scope moves
upward."
pixel-resolution-fine-flag
(frame-char-height))
(pixel-line-height -1))))
- (if (or (pixel-bob-at-top-p amt) ; when beginning-of-the-buffer is seen
- (pixel-eob-at-top-p)) ; for file with a long line
- (scroll-down 1) ; relay on robust method
- (while (pixel-point-at-bottom-p amt) ; prevent too late (multi tries)
- (vertical-motion -1))
+ (while (pixel-point-at-bottom-p amt) ; prevent too late (multi tries)
+ (vertical-motion -1)) ; move point upward
+ (if (or (pixel-bob-at-top-p amt) ; when beginning-of-the-buffer is
seen
+ (pixel-eob-at-top-p)) ; for file with a long line
+ (scroll-down 1) ; relay on robust method
(pixel-scroll-pixel-down amt)))))
(defun pixel-bob-at-top-p (amt)
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