diff options
Diffstat (limited to 'vendor/github.com/gdamore/tcell/v2/tscreen.go')
| -rw-r--r-- | vendor/github.com/gdamore/tcell/v2/tscreen.go | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/vendor/github.com/gdamore/tcell/v2/tscreen.go b/vendor/github.com/gdamore/tcell/v2/tscreen.go index 7ccbbebb8..498f744fd 100644 --- a/vendor/github.com/gdamore/tcell/v2/tscreen.go +++ b/vendor/github.com/gdamore/tcell/v2/tscreen.go @@ -1822,7 +1822,14 @@ func (t *tScreen) engage() error { } ti := t.ti - t.TPuts(ti.EnterCA) + if os.Getenv("TCELL_ALTSCREEN") != "disable" { + // Technically this may not be right, but every terminal we know about + // (even Wyse 60) uses this to enter the alternate screen buffer, and + // possibly save and restore the window title and/or icon. + // (In theory there could be terminals that don't support X,Y cursor + // positions without a setup command, but we don't support them.) + t.TPuts(ti.EnterCA) + } t.TPuts(ti.EnterKeypad) t.TPuts(ti.HideCursor) t.TPuts(ti.EnableAcs) @@ -1865,10 +1872,12 @@ func (t *tScreen) disengage() { } t.TPuts(ti.ResetFgBg) t.TPuts(ti.AttrOff) - t.TPuts(ti.Clear) - t.TPuts(ti.ExitCA) t.TPuts(ti.ExitKeypad) t.TPuts(ti.EnableAutoMargin) + if os.Getenv("TCELL_ALTSCREEN") != "disable" { + t.TPuts(ti.Clear) // only needed if ExitCA is empty + t.TPuts(ti.ExitCA) + } t.enableMouse(0) t.enablePasting(false) t.disableFocusReporting() |