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master d0ff20f2e6: Fix horizontal scroll bar updating on Haiku
From: |
Po Lu |
Subject: |
master d0ff20f2e6: Fix horizontal scroll bar updating on Haiku |
Date: |
Fri, 11 Mar 2022 22:17:18 -0500 (EST) |
branch: master
commit d0ff20f2e64d9247a5e0e26ddfd7e185e51d8c58
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>
Fix horizontal scroll bar updating on Haiku
* src/haikuterm.c (haiku_set_horizontal_scroll_bar_thumb): Just
take portion and position without adjustments.
---
src/haikuterm.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/src/haikuterm.c b/src/haikuterm.c
index 4ecc738898..cd0dcb0834 100644
--- a/src/haikuterm.c
+++ b/src/haikuterm.c
@@ -493,20 +493,19 @@ haiku_set_horizontal_scroll_bar_thumb (struct scroll_bar
*bar, int portion,
int position, int whole)
{
void *scroll_bar = bar->scroll_bar;
- float shown, top;
- int size, value;
+ double size, value, shown, top;
- shown = (float) portion / whole;
- top = (float) position / (whole - portion);
+ shown = (double) portion / whole;
+ top = (double) position / whole;
- size = clip_to_bounds (1, shown * BE_SB_MAX, BE_SB_MAX);
- value = clip_to_bounds (0, top * (BE_SB_MAX - size), BE_SB_MAX - size);
+ size = shown * BE_SB_MAX;
+ value = top * BE_SB_MAX;
if (!bar->dragging)
bar->page_size = size;
- BView_scroll_bar_update (scroll_bar, shown, BE_SB_MAX, value,
- bar->dragging);
+ BView_scroll_bar_update (scroll_bar, lrint (size), BE_SB_MAX,
+ ceil (value), bar->dragging);
}
static struct scroll_bar *
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