void
ConsoleImpl::update(float delta)
{
for(Buffer::iterator i = buffer.begin(); i != buffer.end(); ++i)
{
i->display_time += delta;
}
if (active)
{
InputEventLst events = InputManager::get_controller().get_events();
for (InputEventLst::iterator i = events.begin(); i != events.end(); ++i)
{
if ((*i).type == KEYBOARD_EVENT)
{
if ((*i).keyboard.key_type == KeyboardEvent::LETTER)
{
if (cursor_pos == int(command_line.size()))
{
command_line += (char)(*i).keyboard.code;
cursor_pos += 1;
}
else
{
command_line.insert(cursor_pos, std::string(1, (char)(*i).keyboard.code));
cursor_pos += 1;
}
}
else if ((*i).keyboard.key_type == KeyboardEvent::SPECIAL)
{
//console << "special: " << i->keyboard.code << std::endl;
switch (i->keyboard.code)
{
case SDLK_BACKSPACE:
if (!command_line.empty() && cursor_pos > 0)
{
command_line.erase(cursor_pos - 1, 1);
cursor_pos -= 1;
}
break;
case SDLK_DELETE:
if (!command_line.empty())
{
command_line.erase(cursor_pos, 1);
}
break;
case SDLK_DOWN:
if (!history.empty())
{
history_position += 1;
if (history_position > int(history.size())-1)
history_position = int(history.size())-1;
command_line = history[history_position];
cursor_pos = command_line.size();
}
break;
case SDLK_HOME:
cursor_pos = 0;
break;
case SDLK_END:
cursor_pos = command_line.size();
break;
case SDLK_PAGEUP:
console.scroll(10);
break;
case SDLK_PAGEDOWN:
console.scroll(-10);
break;
case SDLK_TAB:
tab_complete();
break;
case SDLK_UP:
if (!history.empty())
{
history_position -= 1;
if (history_position < 0)
history_position = 0;
command_line = history[history_position];
cursor_pos = command_line.size();
}
break;
case SDLK_LEFT:
cursor_pos -= 1;
if (cursor_pos < 0)
cursor_pos = 0;
break;
case SDLK_RIGHT:
cursor_pos += 1;
if (cursor_pos > int(command_line.size()))
cursor_pos = command_line.size();
break;
case SDLK_RETURN:
eval_command_line();
break;
case SDLK_ESCAPE:
case SDLK_F1:
console.deactive();
break;
}
}
}
}
}
}
int main(int argc, char* argv[]) {
int command_file = stdin;
int quiet = 0;
int r = 0;
// initialize zombies struct
zombies* z = zombies_alloc();
// Check for '-q' option: be quiet (print no prompts)
if (argc > 1 && strcmp(argv[1], "-q") == 0) {
quiet = 1;
--argc, ++argv;
}
// Check for filename option: read commands from file
if (argc > 1) {
command_file = fopen(argv[1], "rb");
if (!command_file) {
perror(argv[1]);
exit(1);
}
}
char buf[BUFSIZ];
int bufpos = 0;
int needprompt = 1;
while (!feof(command_file)) {
// Print the prompt at the beginning of the line
if (needprompt && !quiet) {
printf("sh61[%d]$ ", getpid());
fflush(stdout);
needprompt = 0;
}
// Read a string, checking for error or EOF
if (fgets(&buf[bufpos], BUFSIZ - bufpos, command_file) == NULL) {
if (ferror(command_file) && errno == EINTR) {
// ignore EINTR errors
clearerr(command_file);
buf[bufpos] = 0;
} else {
if (ferror(command_file))
perror("sh61");
break;
}
}
// If a complete command line has been provided, run it
bufpos = strlen(buf);
if (bufpos == BUFSIZ - 1 || (bufpos > 0 && buf[bufpos - 1] == '\n')) {
eval_command_line(buf, z);
bufpos = 0;
needprompt = 1;
}
// kill zombie processes
for(int i = 0; i < z->numzombies; ++i)
waitpid(z->zombielist[i], NULL, WNOHANG | WUNTRACED);
}
zombies_free(z);
return 0;
}