#include "qemu/osdep.h"
-#include "hw/qdev.h"
#include "sysemu/sysemu.h"
-#include "qapi-types.h"
+#include "qapi/error.h"
+#include "qapi/qapi-commands-ui.h"
+#include "qapi/qmp/qdict.h"
#include "qemu/error-report.h"
-#include "qmp-commands.h"
#include "trace.h"
#include "ui/input.h"
#include "ui/console.h"
QTAILQ_HEAD_INITIALIZER(kbd_queue);
static QEMUTimer *kbd_timer;
static uint32_t kbd_default_delay_ms = 10;
+static uint32_t queue_count;
+static uint32_t queue_limit = 1024;
QemuInputHandlerState *qemu_input_handler_register(DeviceState *dev,
QemuInputHandler *handler)
if (!qemu_input_find_handler(1 << event->type, con)) {
error_setg(errp, "Input handler not found for "
"event type %s",
- InputEventKind_lookup[event->type]);
+ InputEventKind_str(event->type));
return;
}
}
for (e = events; e != NULL; e = e->next) {
- InputEvent *event = e->value;
-
- qemu_input_event_send(con, event);
+ InputEvent *evt = e->value;
+
+ if (evt->type == INPUT_EVENT_KIND_KEY &&
+ evt->u.key.data->key->type == KEY_VALUE_KIND_NUMBER) {
+ KeyValue *key = evt->u.key.data->key;
+ QKeyCode code = qemu_input_key_number_to_qcode(key->u.number.data);
+ qemu_input_event_send_key_qcode(con, code, evt->u.key.data->down);
+ } else {
+ qemu_input_event_send(con, evt);
+ }
}
qemu_input_event_sync();
}
+static int qemu_input_transform_invert_abs_value(int value)
+{
+ return (int64_t)INPUT_EVENT_ABS_MAX - value + INPUT_EVENT_ABS_MIN;
+}
+
static void qemu_input_transform_abs_rotate(InputEvent *evt)
{
+ InputMoveEvent *move = evt->u.abs.data;
switch (graphic_rotate) {
case 90:
- if (evt->u.abs->axis == INPUT_AXIS_X) {
- evt->u.abs->axis = INPUT_AXIS_Y;
- } else if (evt->u.abs->axis == INPUT_AXIS_Y) {
- evt->u.abs->axis = INPUT_AXIS_X;
- evt->u.abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->u.abs->value;
+ if (move->axis == INPUT_AXIS_X) {
+ move->axis = INPUT_AXIS_Y;
+ } else if (move->axis == INPUT_AXIS_Y) {
+ move->axis = INPUT_AXIS_X;
+ move->value = qemu_input_transform_invert_abs_value(move->value);
}
break;
case 180:
- evt->u.abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->u.abs->value;
+ move->value = qemu_input_transform_invert_abs_value(move->value);
break;
case 270:
- if (evt->u.abs->axis == INPUT_AXIS_X) {
- evt->u.abs->axis = INPUT_AXIS_Y;
- evt->u.abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->u.abs->value;
- } else if (evt->u.abs->axis == INPUT_AXIS_Y) {
- evt->u.abs->axis = INPUT_AXIS_X;
+ if (move->axis == INPUT_AXIS_X) {
+ move->axis = INPUT_AXIS_Y;
+ move->value = qemu_input_transform_invert_abs_value(move->value);
+ } else if (move->axis == INPUT_AXIS_Y) {
+ move->axis = INPUT_AXIS_X;
}
break;
}
{
const char *name;
int qcode, idx = -1;
+ InputKeyEvent *key;
+ InputBtnEvent *btn;
+ InputMoveEvent *move;
if (src) {
idx = qemu_console_get_index(src);
}
switch (evt->type) {
case INPUT_EVENT_KIND_KEY:
- switch (evt->u.key->key->type) {
+ key = evt->u.key.data;
+ switch (key->key->type) {
case KEY_VALUE_KIND_NUMBER:
- qcode = qemu_input_key_number_to_qcode(evt->u.key->key->u.number);
- name = QKeyCode_lookup[qcode];
- trace_input_event_key_number(idx, evt->u.key->key->u.number,
- name, evt->u.key->down);
+ qcode = qemu_input_key_number_to_qcode(key->key->u.number.data);
+ name = QKeyCode_str(qcode);
+ trace_input_event_key_number(idx, key->key->u.number.data,
+ name, key->down);
break;
case KEY_VALUE_KIND_QCODE:
- name = QKeyCode_lookup[evt->u.key->key->u.qcode];
- trace_input_event_key_qcode(idx, name, evt->u.key->down);
+ name = QKeyCode_str(key->key->u.qcode.data);
+ trace_input_event_key_qcode(idx, name, key->down);
break;
case KEY_VALUE_KIND__MAX:
/* keep gcc happy */
}
break;
case INPUT_EVENT_KIND_BTN:
- name = InputButton_lookup[evt->u.btn->button];
- trace_input_event_btn(idx, name, evt->u.btn->down);
+ btn = evt->u.btn.data;
+ name = InputButton_str(btn->button);
+ trace_input_event_btn(idx, name, btn->down);
break;
case INPUT_EVENT_KIND_REL:
- name = InputAxis_lookup[evt->u.rel->axis];
- trace_input_event_rel(idx, name, evt->u.rel->value);
+ move = evt->u.rel.data;
+ name = InputAxis_str(move->axis);
+ trace_input_event_rel(idx, name, move->value);
break;
case INPUT_EVENT_KIND_ABS:
- name = InputAxis_lookup[evt->u.abs->axis];
- trace_input_event_abs(idx, name, evt->u.abs->value);
+ move = evt->u.abs.data;
+ name = InputAxis_str(move->axis);
+ trace_input_event_abs(idx, name, move->value);
break;
case INPUT_EVENT_KIND__MAX:
/* keep gcc happy */
item = QTAILQ_FIRST(queue);
g_assert(item->type == QEMU_INPUT_QUEUE_DELAY);
QTAILQ_REMOVE(queue, item, node);
+ queue_count--;
g_free(item);
while (!QTAILQ_EMPTY(queue)) {
break;
}
QTAILQ_REMOVE(queue, item, node);
+ queue_count--;
g_free(item);
}
}
item->delay_ms = delay_ms;
item->timer = timer;
QTAILQ_INSERT_TAIL(queue, item, node);
+ queue_count++;
if (start_timer) {
timer_mod(item->timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL)
item->src = src;
item->evt = evt;
QTAILQ_INSERT_TAIL(queue, item, node);
+ queue_count++;
}
static void qemu_input_queue_sync(struct QemuInputEventQueueHead *queue)
item->type = QEMU_INPUT_QUEUE_SYNC;
QTAILQ_INSERT_TAIL(queue, item, node);
+ queue_count++;
}
void qemu_input_event_send_impl(QemuConsole *src, InputEvent *evt)
void qemu_input_event_send(QemuConsole *src, InputEvent *evt)
{
+ /* Expect all parts of QEMU to send events with QCodes exclusively.
+ * Key numbers are only supported as end-user input via QMP */
+ assert(!(evt->type == INPUT_EVENT_KIND_KEY &&
+ evt->u.key.data->key->type == KEY_VALUE_KIND_NUMBER));
+
+
+ /*
+ * 'sysrq' was mistakenly added to hack around the fact that
+ * the ps2 driver was not generating correct scancodes sequences
+ * when 'alt+print' was pressed. This flaw is now fixed and the
+ * 'sysrq' key serves no further purpose. We normalize it to
+ * 'print', so that downstream receivers of the event don't
+ * neeed to deal with this mistake
+ */
+ if (evt->type == INPUT_EVENT_KIND_KEY &&
+ evt->u.key.data->key->u.qcode.data == Q_KEY_CODE_SYSRQ) {
+ evt->u.key.data->key->u.qcode.data = Q_KEY_CODE_PRINT;
+ }
+
if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
return;
}
replay_input_sync_event();
}
-InputEvent *qemu_input_event_new_key(KeyValue *key, bool down)
+static InputEvent *qemu_input_event_new_key(KeyValue *key, bool down)
{
InputEvent *evt = g_new0(InputEvent, 1);
- evt->u.key = g_new0(InputKeyEvent, 1);
+ evt->u.key.data = g_new0(InputKeyEvent, 1);
evt->type = INPUT_EVENT_KIND_KEY;
- evt->u.key->key = key;
- evt->u.key->down = down;
+ evt->u.key.data->key = key;
+ evt->u.key.data->down = down;
return evt;
}
qemu_input_event_send(src, evt);
qemu_input_event_sync();
qapi_free_InputEvent(evt);
- } else {
+ } else if (queue_count < queue_limit) {
qemu_input_queue_event(&kbd_queue, src, evt);
qemu_input_queue_sync(&kbd_queue);
+ } else {
+ qapi_free_InputEvent(evt);
}
}
void qemu_input_event_send_key_number(QemuConsole *src, int num, bool down)
{
- KeyValue *key = g_new0(KeyValue, 1);
- key->type = KEY_VALUE_KIND_NUMBER;
- key->u.number = num;
- qemu_input_event_send_key(src, key, down);
+ QKeyCode code = qemu_input_key_number_to_qcode(num);
+ qemu_input_event_send_key_qcode(src, code, down);
}
void qemu_input_event_send_key_qcode(QemuConsole *src, QKeyCode q, bool down)
{
KeyValue *key = g_new0(KeyValue, 1);
key->type = KEY_VALUE_KIND_QCODE;
- key->u.qcode = q;
+ key->u.qcode.data = q;
qemu_input_event_send_key(src, key, down);
}
void qemu_input_event_send_key_delay(uint32_t delay_ms)
{
+ if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
+ return;
+ }
+
if (!kbd_timer) {
kbd_timer = timer_new_ms(QEMU_CLOCK_VIRTUAL, qemu_input_queue_process,
&kbd_queue);
}
- qemu_input_queue_delay(&kbd_queue, kbd_timer,
- delay_ms ? delay_ms : kbd_default_delay_ms);
+ if (queue_count < queue_limit) {
+ qemu_input_queue_delay(&kbd_queue, kbd_timer,
+ delay_ms ? delay_ms : kbd_default_delay_ms);
+ }
}
InputEvent *qemu_input_event_new_btn(InputButton btn, bool down)
{
InputEvent *evt = g_new0(InputEvent, 1);
- evt->u.btn = g_new0(InputBtnEvent, 1);
+ evt->u.btn.data = g_new0(InputBtnEvent, 1);
evt->type = INPUT_EVENT_KIND_BTN;
- evt->u.btn->button = btn;
- evt->u.btn->down = down;
+ evt->u.btn.data->button = btn;
+ evt->u.btn.data->down = down;
return evt;
}
return (s != NULL) && (s->handler->mask & INPUT_EVENT_MASK_ABS);
}
-int qemu_input_scale_axis(int value, int size_in, int size_out)
+int qemu_input_scale_axis(int value,
+ int min_in, int max_in,
+ int min_out, int max_out)
{
- if (size_in < 2) {
- return size_out / 2;
+ int64_t range_in = (int64_t)max_in - min_in;
+ int64_t range_out = (int64_t)max_out - min_out;
+
+ if (range_in < 1) {
+ return min_out + range_out / 2;
}
- return (int64_t)value * (size_out - 1) / (size_in - 1);
+ return ((int64_t)value - min_in) * range_out / range_in + min_out;
}
InputEvent *qemu_input_event_new_move(InputEventKind kind,
InputMoveEvent *move = g_new0(InputMoveEvent, 1);
evt->type = kind;
- evt->u.data = move;
+ evt->u.rel.data = move; /* evt->u.rel is the same as evt->u.abs */
move->axis = axis;
move->value = value;
return evt;
qapi_free_InputEvent(evt);
}
-void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, int value, int size)
+void qemu_input_queue_abs(QemuConsole *src, InputAxis axis, int value,
+ int min_in, int max_in)
{
InputEvent *evt;
- int scaled = qemu_input_scale_axis(value, size, INPUT_EVENT_ABS_SIZE);
+ int scaled = qemu_input_scale_axis(value, min_in, max_in,
+ INPUT_EVENT_ABS_MIN,
+ INPUT_EVENT_ABS_MAX);
evt = qemu_input_event_new_move(INPUT_EVENT_KIND_ABS, axis, scaled);
qemu_input_event_send(src, evt);
qapi_free_InputEvent(evt);
projects / qemu.git / blobdiff