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Avoid unnecessary redraw of preview window

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Close #1455
This commit is contained in:
Junegunn Choi 2018-12-13 10:58:57 +09:00
parent 61feee690c
commit ca42e5e00a
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GPG Key ID: 254BC280FEF9C627
1 changed files with 8 additions and 4 deletions
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12
src/terminal.go
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@ -1532,7 +1532,7 @@ func (t *Terminal) Loop() {
} }
go func() { go func() {
var focused *Item var focusedIndex int32 = minItem.Index()
var version int64 = -1 var version int64 = -1
for { for {
t.reqBox.Wait(func(events *util.Events) { t.reqBox.Wait(func(events *util.Events) {
@ -1549,10 +1549,14 @@ func (t *Terminal) Loop() {
t.printInfo() t.printInfo()
case reqList: case reqList:
t.printList() t.printList()
currentFocus := t.currentItem() var currentIndex int32 = minItem.Index()
if currentFocus != focused || version != t.version { currentItem := t.currentItem()
if currentItem != nil {
currentIndex = currentItem.Index()
}
if focusedIndex != currentIndex || version != t.version {
version = t.version version = t.version
focused = currentFocus focusedIndex = currentIndex
if t.isPreviewEnabled() { if t.isPreviewEnabled() {
_, list := t.buildPlusList(t.preview.command, false) _, list := t.buildPlusList(t.preview.command, false)
t.cancelPreview() t.cancelPreview()