core/virtcon/keyboard.cpp

83 bool vc_input_process(vc_input_t* vi, uint8_t report[8]) {
90     hid_kbd_parse_report(report, &vi->state[vi->cur_idx]);
92     hid_kbd_pressed_keys(&vi->state[vi->prev_idx], &vi->state[vi->cur_idx], &keys);
94         vi->modifiers |= modifiers_from_keycode(keycode);
96             vi->modifiers ^= MOD_CAPSLOCK;
97             set_caps_lock_led(vi->fd, vi->modifiers & MOD_CAPSLOCK);
99         vi->handler(keycode, vi->modifiers);
103     hid_kbd_released_keys(&vi->state[vi->prev_idx], &vi->state[vi->cur_idx], &keys);
105         vi->modifiers &= ~modifiers_from_keycode(keycode);
110     vi->cur_idx = 1 - vi->cur_idx;
111     vi->prev_idx = 1 - vi->prev_idx;
117 static void vc_input_destroy(vc_input_t* vi) {
118     port_cancel(&port, &vi->th);
119     if (vi->fd >= 0) {
120         port_fd_handler_done(&vi->fh);
121         close(vi->fd);
123     zx_handle_close(vi->timer);
124     free(vi);
128     vc_input_t* vi = containerof(ph, vc_input_t, th);
131     if (vi->repeat_interval != ZX_TIME_INFINITE) {
132         vc_input_process(vi, vi->previous_report_buf);
133         vc_input_process(vi, vi->report_buf);
136         if ((vi->repeat_interval = vi->repeat_interval * 3 / 4) < HIGH_REPEAT_KEY_FREQ) {
137             vi->repeat_interval = HIGH_REPEAT_KEY_FREQ;
140         zx_timer_set(vi->timer, zx_deadline_after(vi->repeat_interval), 0);
148     vc_input_t* vi = containerof(fh, vc_input_t, fh);
154         memcpy(vi->previous_report_buf, vi->report_buf, sizeof(vi->report_buf));
155         r = read(vi->fd, vi->report_buf, sizeof(vi->report_buf));
158         vc_input_destroy(vi);
161     if ((size_t)(r) != sizeof(vi->report_buf)) {
162         vi->repeat_interval = ZX_TIME_INFINITE;
166     if (vc_input_process(vi, vi->report_buf) && vi->repeat_enabled) {
167         vi->repeat_interval = LOW_REPEAT_KEY_FREQ;
168         zx_timer_set(vi->timer, zx_deadline_after(vi->repeat_interval), 0);
170         vi->repeat_interval = ZX_TIME_INFINITE;
177     vc_input_t* vi = reinterpret_cast<vc_input_t*>(calloc(1, sizeof(vc_input_t)));
178     if (vi == NULL) {
182     vi->fd = fd;
183     vi->handler = handler;
185     vi->cur_idx = 0;
186     vi->prev_idx = 1;
187     vi->modifiers = 0;
188     vi->repeat_interval = ZX_TIME_INFINITE;
189     vi->repeat_enabled = true;
194         vi->repeat_enabled = false;
199     if ((r = zx_timer_create(0, ZX_CLOCK_MONOTONIC, &vi->timer)) < 0) {
200         free(vi);
204     vi->fh.func = vc_input_cb;
205     if ((r = port_fd_handler_init(&vi->fh, fd, POLLIN | POLLHUP | POLLRDHUP)) < 0) {
206         zx_handle_close(vi->timer);
207         free(vi);
211     if ((r = port_wait(&port, &vi->fh.ph)) < 0) {
212         port_fd_handler_done(&vi->fh);
213         zx_handle_close(vi->timer);
214         free(vi);
218     vi->th.handle = vi->timer;
219     vi->th.waitfor = ZX_TIMER_SIGNALED;
220     vi->th.func = vc_timer_cb;
221     port_wait_repeating(&port, &vi->th);
224     *out = vi;
240     vc_input_t* vi;
241     if ((r = vc_input_create(&vi, handler, fd)) < 0) {