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[Nano-devel] [PATCH] scrolling: keep the cursor in the same text positio
From: |
Benno Schulenberg |
Subject: |
[Nano-devel] [PATCH] scrolling: keep the cursor in the same text position for Scroll-Up/Down |
Date: |
Sat, 10 Mar 2018 12:48:40 +0100 |
[Apply to current git.]
[This makes the Scroll-Up (M--) and Scroll-Down (M-=) commands behave
the way I would like them to.]
---
src/move.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/src/move.c b/src/move.c
index f559fb41..3c87ecdd 100644
--- a/src/move.c
+++ b/src/move.c
@@ -501,8 +501,11 @@ void do_up(bool scroll_only)
set_proper_index_and_pww(&leftedge, target_column, FALSE);
- if (scroll_only)
+ if (scroll_only) {
+ if (openfile->current_y < editwinrows - 1)
+ go_forward_chunks(1, &openfile->current, &leftedge);
edit_scroll(BACKWARD);
+ }
edit_redraw(was_current, FLOWING);
@@ -520,13 +523,16 @@ void do_down(bool scroll_only)
get_edge_and_target(&leftedge, &target_column);
/* If we can't move down one line or chunk, we're at bottom of file. */
- if (go_forward_chunks(1, &openfile->current, &leftedge) > 0)
+ if (go_forward_chunks(1, &openfile->current, &leftedge) > 0 &&
!scroll_only)
return;
set_proper_index_and_pww(&leftedge, target_column, TRUE);
- if (scroll_only)
+ if (scroll_only) {
+ if (openfile->current_y > 0)
+ go_back_chunks(1, &openfile->current, &leftedge);
edit_scroll(FORWARD);
+ }
edit_redraw(was_current, FLOWING);
--
2.16.2
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