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LibVT+Everywhere: Introduce 'automarks' and 'clear previous command'

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Automarks are similar to bookmarks placed by the terminal, allowing the
user to selectively remove a single command and its output from the
terminal scrollback.
This commit implements a single way to add marks: automatically placing
them when the shell becomes interactive.

To make sure the shell behaves correctly after its expected prompt
position changes, the terminal layer forces a resize event to be passed
to the shell on such (possibly) partial clears; this also has the nice
side effect of fixing the disappearing prompt on the preexisting "clear
including history" action: Fixes #4192.
This commit is contained in:
Ali Mohammad Pur 2024-02-06 01:41:35 +03:30 • committed by Ali Mohammad Pur
parent cde528fdd9
commit 54ab6fe5b9
12 changed files with 238 additions and 0 deletions
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2
Userland/DevTools/HackStudio/TerminalWrapper.cpp
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@ -42,6 +42,8 @@ ErrorOr<void> TerminalWrapper::run_command(ByteString const& command, Optional<B
m_pid = TRY(Core::System::fork());
if (m_pid > 0) {
m_terminal_widget->set_startup_process_id(m_pid);
if (wait_for_exit == WaitForExit::Yes) {
GUI::Application::the()->event_loop().spin_until([this]() {
return m_child_exited;