static int scroll_buttons_callback (SsdWidget widget, const char *new_value) {
if (!strcmp(widget->name, "scroll_up")) {
scroll_page_up();
return 0;
}
if (!strcmp( widget->name, "scroll_down")) {
scroll_page_down();
return 0;
}
return 1;
}
/* Handle a key press. Assumes that a key has been pressed and is
* ready to read (will block otherwise).
* Return 1 if 'q' (quit).
*/
static int handle_key()
{
int c;
c = getch();
if (c == 'q')
; /* nothing */
else if (c == 'g')
options.debug = 1 - options.debug;
else if (c == 'c')
options.show_cmdline = 1 - options.show_cmdline;
else if ((c == 'd') || (c == 's')) {
mvprintw(2, 0, "Change delay from %.2f to: ", options.delay);
echo();
nocbreak();
scanw("%f", &options.delay);
if (options.delay < 0.01)
options.delay = 1.0;
tv.tv_sec = options.delay;
tv.tv_usec = (options.delay - tv.tv_sec)*1000000.0;
cbreak();
noecho();
}
else if (c == 'H') {
options.show_threads = 1 - options.show_threads;
}
else if (c == 'i')
options.idle = 1 - options.idle;
else if (c == 'K') {
if (options.show_kernel) {
options.show_kernel = 0;
message = "Kernel mode Off";
}
else {
if ((options.euid == 0) || (options.paranoia_level < 2)) {
options.show_kernel = 1;
message = "Kernel mode On";
}
else {
message =
"Kernel mode not available (not root and paranoia level too high).";
c = ' '; /* do not return the 'K' to the upper level, since
it was ignored. */
}
}
}
else if (c == 'k') { /* initialize string to 0s */
char str[10] = { 0 };
int kill_pid, kill_sig, kill_res;
mvprintw(2, 0, "PID to kill: ");
echo();
nocbreak();
getnstr(str, sizeof(str) - 1);
if (!isdigit(str[0]))
message = "Not valid";
else {
kill_pid = atoi(str);
mvprintw(2, 0, "Kill PID %d with signal [15]: ", kill_pid);
getnstr(str, sizeof(str) - 1);
kill_sig = atoi(str);
if (kill_sig == 0)
kill_sig = 15;
kill_res = kill(kill_pid, kill_sig);
if (kill_res == -1) {
char tmp_message[100];
snprintf(tmp_message, sizeof(tmp_message),
"Kill of PID '%d' with '%d' failed: %s",
kill_pid, kill_sig, strerror(errno));
message = tmp_message;
}
}
cbreak();
noecho();
}
else if (c == 'p') {
char str[100] = { 0 }; /* initialize string to 0s */
mvprintw(2, 0, "Only display process: ");
echo();
nocbreak();
getnstr(str, sizeof(str)-1); /* keep final '\0' as string delimiter */
options.only_pid = atoi(str);
if (options.only_name) {
free(options.only_name);
options.only_name = NULL;
}
if (!options.only_pid && strcmp(str, "")) {
options.only_name = strdup(str);
}
cbreak();
noecho();
}
else if (c == 'R')
sorting_order = (enum sorting_order) (1 - (int)sorting_order);
else if (c == 'S')
options.sticky = 1 - options.sticky;
else if (c == 'U')
options.show_user = 1 - options.show_user;
else if (c == 'u') {
char str[100] = { 0 }; /* initialize string to 0s */
mvprintw(2, 0, "Which user (blank for all): ");
echo();
nocbreak();
getnstr(str, sizeof(str) - 1); /* keep final '\0' as string delimiter */
cbreak();
noecho();
if (str[0] == '\0') /* blank */
options.watch_uid = -1;
else if (isdigit(str[0]))
options.watch_uid = atoi(str);
else {
struct passwd* passwd;
passwd = getpwnam(str);
if (passwd)
options.watch_uid = passwd->pw_uid;
else
message = "User name does not exist.";
}
}
else if (c == 'w') {
char str[100] = { 0 }; /* initialize string to 0s */
mvprintw(2, 0, "Watch process: ");
echo();
nocbreak();
getnstr(str, sizeof(str)-1); /* keep final '\0' as string delimiter */
options.watch_pid = atoi(str);
if (options.watch_name) {
free(options.watch_name);
options.watch_name = NULL;
}
if (!options.watch_pid && strcmp(str, "")) {
options.watch_name = strdup(str);
}
cbreak();
noecho();
}
else if (c == 'h')
options.help = 1 - options.help;
else if (c == 'W') {
if (export_screens(&options) < 0)
message = ".tiptoprc not written: already exists in current directory?";
else
message = ".tiptoprc written";
}
else if (c == KEY_UP)
scroll_up();
else if (c == KEY_PPAGE)
scroll_page_up();
else if (c == KEY_DOWN)
scroll_down();
else if (c == KEY_NPAGE)
scroll_page_down();
else if (c == KEY_HOME)
scroll_home();
else if (c == KEY_END)
scroll_end();
return c;
}
