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Avoid unnecessary redraw of the preview window

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This commit is contained in:
Junegunn Choi 2019-03-29 15:12:46 +09:00
parent f39ab3875e
commit 8d2fcd3518
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GPG Key ID: 254BC280FEF9C627
1 changed files with 5 additions and 2 deletions
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7
src/terminal.go
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@ -1652,9 +1652,12 @@ func (t *Terminal) Loop() {
} }
} }
scrollPreview := func(amount int) { scrollPreview := func(amount int) {
t.previewer.offset = util.Constrain( newOffset := util.Constrain(
t.previewer.offset+amount, 0, t.previewer.lines-1) 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 { for key, ret := range t.expect {
if keyMatch(key, event) { if keyMatch(key, event) {