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Fix broken input after suspend

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This commit is contained in:
Maxime Coste 2019-09-09 19:39:53 +10:00
parent e52b93b31a
commit f43ac3d78b
2 changed files with 23 additions and 10 deletions
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31
src/ncurses_ui.cc
View File

@ -361,23 +361,16 @@ NCursesUI::NCursesUI()
}},
m_assistant(assistant_clippy)
{
fcntl(STDIN_FILENO, F_SETFL, fcntl(STDIN_FILENO, F_GETFL, 0) | O_NONBLOCK);
tcgetattr(STDIN_FILENO, &m_original_termios);
termios attr = m_original_termios;
attr.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON);
attr.c_oflag &= ~OPOST;
attr.c_cflag |= CS8;
attr.c_lflag &= ~(ECHO | ICANON | ISIG | IEXTEN);
attr.c_lflag |= NOFLSH;
tcsetattr(STDIN_FILENO, TCSAFLUSH, &attr);
enable_mouse(true);
initscr();
curs_set(0);
start_color();
use_default_colors();
set_raw_mode();
enable_mouse(true);
set_signal_handler(SIGWINCH, &signal_handler<&resize_pending>);
set_signal_handler(SIGHUP, &signal_handler<&sighup_raised>);
@ -399,6 +392,22 @@ NCursesUI::~NCursesUI()
set_signal_handler(SIGCONT, SIG_DFL);
}
void NCursesUI::set_raw_mode() const
{
fcntl(STDIN_FILENO, F_SETFL, fcntl(STDIN_FILENO, F_GETFL, 0) | O_NONBLOCK);
termios attr = m_original_termios;
attr.c_iflag &= ~(IGNBRK | BRKINT | PARMRK | ISTRIP | INLCR | IGNCR | ICRNL | IXON);
attr.c_oflag &= ~OPOST;
attr.c_lflag &= ~(ECHO | ECHONL | ICANON | ISIG | IEXTEN);
attr.c_lflag |= NOFLSH;
attr.c_cflag &= ~(CSIZE | PARENB);
attr.c_cflag |= CS8;
attr.c_cc[VMIN] = attr.c_cc[VTIME] = 0;
tcsetattr(STDIN_FILENO, TCSAFLUSH, &attr);
}
void NCursesUI::redraw(bool force)
{
m_window.refresh(force);
@ -605,10 +614,12 @@ Optional<Key> NCursesUI::get_next_key()
{
bool mouse_enabled = m_mouse_enabled;
enable_mouse(false);
tcsetattr(STDIN_FILENO, TCSAFLUSH, &m_original_termios);
kill(0, SIGTSTP); // We suspend at this line
check_resize(true);
set_raw_mode();
enable_mouse(mouse_enabled);
return {};
}

2
src/ncurses_ui.hh
View File

@ -119,6 +119,8 @@ private:
DisplayCoord m_dimensions;
termios m_original_termios;
void set_raw_mode() const;
void mark_dirty(const Window& win);
struct Menu : Window