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[bim] Handle ^Z suspend (under Linux)

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This commit is contained in:
K. Lange 2018-08-20 11:25:39 +09:00
parent 9ecaca151f
commit 9435550e18
1 changed files with 29 additions and 1 deletions
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30
apps/bim.c
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@ -1331,8 +1331,11 @@ void setup_buffer(buffer_t * env) {
* Toggle buffered / unbuffered modes
*/
struct termios old;
void set_unbuffered(void) {
void get_initial_termios(void) {
tcgetattr(STDOUT_FILENO, &old);
}
void set_unbuffered(void) {
struct termios new = old;
new.c_lflag &= (~ICANON & ~ECHO);
tcsetattr(STDOUT_FILENO, TCSAFLUSH, &new);
@ -2125,6 +2128,28 @@ void SIGWINCH_handler(int sig) {
signal(SIGWINCH, SIGWINCH_handler);
}
/**
* Handle suspend
*/
void SIGTSTP_handler(int sig) {
mouse_disable();
set_buffered();
reset();
clear_screen();
show_cursor();
signal(SIGTSTP, SIG_DFL);
raise(SIGTSTP);
}
void SIGCONT_handler(int sig) {
set_unbuffered();
redraw_all();
signal(SIGCONT, SIGCONT_handler);
signal(SIGTSTP, SIGTSTP_handler);
}
/**
* Run global initialization tasks
*/
@ -2138,11 +2163,14 @@ void initialize(void) {
ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
global_config.term_width = w.ws_col;
global_config.term_height = w.ws_row;
get_initial_termios();
set_unbuffered();
mouse_enable();
signal(SIGWINCH, SIGWINCH_handler);
signal(SIGCONT, SIGCONT_handler);
signal(SIGTSTP, SIGTSTP_handler);
}
/**