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Allow removing header line with change-header and transform-header

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If the new header is an empty string.

  fzf --header loading --bind 'start:reload:sleep 3; ls' --bind 'load:change-header:'
  fzf --header loading --bind 'start:reload:sleep 3; ls' --bind 'load:transform-header:'
This commit is contained in:
Junegunn Choi
2024-06-25 17:10:22 +09:00
parent 70bf8bc35d
commit 3b944addd4
2 changed files with 13 additions and 11 deletions
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20
src/terminal.go
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@@ -1202,7 +1202,10 @@ func (t *Terminal) UpdateCount(cnt int, final bool, failedCommand *string) {
}
func (t *Terminal) changeHeader(header string) bool {
lines := strings.Split(strings.TrimSuffix(header, "\n"), "\n")
var lines []string
if len(header) > 0 {
lines = strings.Split(strings.TrimSuffix(header, "\n"), "\n")
}
needFullRedraw := len(t.header0) != len(lines)
t.header0 = lines
return needFullRedraw
@@ -4094,16 +4097,13 @@ func (t *Terminal) Loop() error {
case actChangeQuery:
t.input = []rune(a.a)
t.cx = len(t.input)
case actTransformHeader:
header := t.executeCommand(a.a, false, true, true, false, "")
if t.changeHeader(header) {
req(reqFullRedraw)
} else {
req(reqHeader)
case actChangeHeader, actTransformHeader:
header := a.a
if a.t == actTransformHeader {
header = t.executeCommand(a.a, false, true, true, false, "")
}
case actChangeHeader:
if t.changeHeader(a.a) {
req(reqFullRedraw)
if t.changeHeader(header) {
req(reqHeader, reqList, reqPrompt, reqInfo)
} else {
req(reqHeader)
}