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Terminal: Update terminal size and send SIGWINCH on resize

This commit is contained in:
Bananymous 2025-05-05 19:09:21 +03:00
parent 592675022e
commit bf1cbb4cde
1 changed files with 29 additions and 6 deletions
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29
userspace/programs/Terminal/Terminal.cpp
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@ -159,13 +159,36 @@ void Terminal::run()
m_window->invalidate(m_window->width() - rem, 0, rem, m_window->height());
}
if (m_cursor.x < cols() && m_cursor.y < rows())
return;
if (m_cursor.x >= cols() || m_cursor.y >= rows())
{
m_cursor.x = BAN::Math::min(m_cursor.x, cols() - 1);
m_cursor.y = BAN::Math::min(m_cursor.y, rows() - 1);
for (auto& pixel : m_cursor_buffer)
pixel = m_bg_color;
}
const winsize winsize {
.ws_row = static_cast<unsigned short>(rows()),
.ws_col = static_cast<unsigned short>(cols()),
};
if (ioctl(m_shell_info.pts_master, TIOCSWINSZ, &winsize) == -1)
{
perror("ioctl");
return;
}
const pid_t fgpgrp = tcgetpgrp(m_shell_info.pts_master);
if (fgpgrp == -1)
{
perror("tcgetpgrp");
return;
}
if (kill(-fgpgrp, SIGWINCH) == -1)
{
perror("kill");
return;
}
});
const int max_fd = BAN::Math::max(m_shell_info.pts_master, m_window->server_fd());