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Allow adaptive height with negative value

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Fix #4682
This commit is contained in:
Junegunn Choi
2026-04-04 10:13:19 +09:00
parent d7a132b8bf
commit d1cea64a0e
2 changed files with 8 additions and 9 deletions
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man/man1/fzf.1
+6 -4
View File
@@ -384,7 +384,7 @@ Use black background
.SS DISPLAY MODE .SS DISPLAY MODE
.TP .TP
.BI "\-\-height=" "[~]HEIGHT[%]" .BI "\-\-height=" "[~][\-]HEIGHT[%]"
Display fzf window below the cursor with the given height instead of using Display fzf window below the cursor with the given height instead of using
the full screen. the full screen.
@@ -394,17 +394,19 @@ height minus the given value.
fzf \-\-height=\-1 fzf \-\-height=\-1
When prefixed with \fB~\fR, fzf will automatically determine the height in the When prefixed with \fB~\fR, fzf will automatically determine the height in the
range according to the input size. range according to the input size. You can combine \fB~\fR with a negative
value.
# Will not take up 100% of the screen # Will not take up 100% of the screen
seq 5 | fzf \-\-height=~100% seq 5 | fzf \-\-height=~100%
# Adapt to input size, up to terminal height minus 1
seq 5 | fzf \-\-height=~\-1
Adaptive height has the following limitations: Adaptive height has the following limitations:
.br .br
* Cannot be used with top/bottom margin and padding given in percent size * Cannot be used with top/bottom margin and padding given in percent size
.br .br
* Negative value is not allowed
.br
* It will not find the right size when there are multi-line items * It will not find the right size when there are multi-line items
.TP .TP
src/options.go
+2 -5
View File
@@ -66,7 +66,7 @@ Usage: fzf [options]
--no-bold Do not use bold text --no-bold Do not use bold text
DISPLAY MODE DISPLAY MODE
--height=[~]HEIGHT[%] Display fzf window below the cursor with the given --height=[~][-]HEIGHT[%] Display fzf window below the cursor with the given
height instead of using fullscreen. height instead of using fullscreen.
A negative value is calculated as the terminal height A negative value is calculated as the terminal height
minus the given value. minus the given value.
@@ -2222,9 +2222,6 @@ func parseHeight(str string, index int) (heightSpec, error) {
str = str[1:] str = str[1:]
} }
if strings.HasPrefix(str, "-") { if strings.HasPrefix(str, "-") {
if heightSpec.auto {
return heightSpec, errors.New("negative(-) height is not compatible with adaptive(~) height")
}
heightSpec.inverse = true heightSpec.inverse = true
str = str[1:] str = str[1:]
} }
@@ -3152,7 +3149,7 @@ func parseOptions(index *int, opts *Options, allArgs []string) error {
} }
opts.PreviewWrapSign = &str opts.PreviewWrapSign = &str
case "--height": case "--height":
str, err := nextString("height required: [~]HEIGHT[%]") str, err := nextString("height required: [~][-]HEIGHT[%]")
if err != nil { if err != nil {
return err return err
} }