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Export FZF_PREVIEW_LINES and FZF_PREVIEW_COLUMNS to preview process

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fzf will still override LINES and COLUMNS as before but they may not
hold the correct values depending on the default shell.

Close #1314
This commit is contained in:
Junegunn Choi
2019-02-22 14:33:29 +09:00
parent 6c32148f90
commit 8dc1377efb
3 changed files with 12 additions and 6 deletions
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9
src/terminal.go
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@@ -613,7 +613,6 @@ func (t *Terminal) resizeWindows() {
pwidth += 1
}
t.pwindow = t.tui.NewWindow(y+1, x+2, pwidth, h-2, tui.BorderNone)
os.Setenv("FZF_PREVIEW_HEIGHT", strconv.Itoa(h-2))
}
switch t.preview.position {
case posUp:
@@ -1492,8 +1491,12 @@ func (t *Terminal) Loop() {
cmd := util.ExecCommand(command, true)
if t.pwindow != nil {
env := os.Environ()
env = append(env, fmt.Sprintf("LINES=%d", t.pwindow.Height()))
env = append(env, fmt.Sprintf("COLUMNS=%d", t.pwindow.Width()))
lines := fmt.Sprintf("LINES=%d", t.pwindow.Height())
columns := fmt.Sprintf("COLUMNS=%d", t.pwindow.Width())
env = append(env, lines)
env = append(env, "FZF_PREVIEW_"+lines)
env = append(env, columns)
env = append(env, "FZF_PREVIEW_"+columns)
cmd.Env = env
}
var out bytes.Buffer