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| author | Junegunn Choi <junegunn.c@gmail.com> | 2019-03-29 15:12:46 +0900 |
|---|---|---|
| committer | Junegunn Choi <junegunn.c@gmail.com> | 2019-03-29 15:12:46 +0900 |
| commit | 8d2fcd3518d3e2fdfa9f3e0a62004cf57f94108c (patch) | |
| tree | 3e4c73f12a0309ddd2aa5a2567e69bc5f5a045a3 | |
| parent | f39ab3875efc2432d94fedf5bcecee08c40161e6 (diff) | |
| download | fzf-8d2fcd3518d3e2fdfa9f3e0a62004cf57f94108c.tar.gz | |
Avoid unnecessary redraw of the preview window
| -rw-r--r-- | src/terminal.go | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/terminal.go b/src/terminal.go index ca811c43..3175aaa3 100644 --- a/src/terminal.go +++ b/src/terminal.go @@ -1652,9 +1652,12 @@ func (t *Terminal) Loop() { } } scrollPreview := func(amount int) { - t.previewer.offset = util.Constrain( + newOffset := util.Constrain( t.previewer.offset+amount, 0, t.previewer.lines-1) - req(reqPreviewRefresh) + if t.previewer.offset != newOffset { + t.previewer.offset = newOffset + req(reqPreviewRefresh) + } } for key, ret := range t.expect { if keyMatch(key, event) { |