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input: add support for kbd delays 

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2014-05-28 13:02:40 +02:00
parent e00fcfeab3
commit be1a717624
2 changed files with 106 additions and 3 deletions
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1
include/ui/input.h
View File

@ -39,6 +39,7 @@ InputEvent *qemu_input_event_new_key(KeyValue *key, bool down);
void qemu_input_event_send_key(QemuConsole *src, KeyValue *key, bool down);
void qemu_input_event_send_key_number(QemuConsole *src, int num, bool down);
void qemu_input_event_send_key_qcode(QemuConsole *src, QKeyCode q, bool down);
void qemu_input_event_send_key_delay(uint32_t delay_ms);
int qemu_input_key_number_to_qcode(uint8_t nr);
int qemu_input_key_value_to_number(const KeyValue *value);
int qemu_input_key_value_to_qcode(const KeyValue *value);

108
ui/input.c
View File

@ -14,11 +14,31 @@ struct QemuInputHandlerState {
QemuConsole *con;
QTAILQ_ENTRY(QemuInputHandlerState) node;
};
typedef struct QemuInputEventQueue QemuInputEventQueue;
struct QemuInputEventQueue {
enum {
QEMU_INPUT_QUEUE_DELAY = 1,
QEMU_INPUT_QUEUE_EVENT,
QEMU_INPUT_QUEUE_SYNC,
} type;
QEMUTimer *timer;
uint32_t delay_ms;
QemuConsole *src;
InputEvent *evt;
QTAILQ_ENTRY(QemuInputEventQueue) node;
};
static QTAILQ_HEAD(, QemuInputHandlerState) handlers =
QTAILQ_HEAD_INITIALIZER(handlers);
static NotifierList mouse_mode_notifiers =
NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
static QTAILQ_HEAD(QemuInputEventQueueHead, QemuInputEventQueue) kbd_queue =
QTAILQ_HEAD_INITIALIZER(kbd_queue);
static QEMUTimer *kbd_timer;
static uint32_t kbd_default_delay_ms = 10;
QemuInputHandlerState *qemu_input_handler_register(DeviceState *dev,
QemuInputHandler *handler)
{
@ -171,6 +191,73 @@ static void qemu_input_event_trace(QemuConsole *src, InputEvent *evt)
}
}
static void qemu_input_queue_process(void *opaque)
{
struct QemuInputEventQueueHead *queue = opaque;
QemuInputEventQueue *item;
g_assert(!QTAILQ_EMPTY(queue));
item = QTAILQ_FIRST(queue);
g_assert(item->type == QEMU_INPUT_QUEUE_DELAY);
QTAILQ_REMOVE(queue, item, node);
g_free(item);
while (!QTAILQ_EMPTY(queue)) {
item = QTAILQ_FIRST(queue);
switch (item->type) {
case QEMU_INPUT_QUEUE_DELAY:
timer_mod(item->timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL)
+ item->delay_ms);
return;
case QEMU_INPUT_QUEUE_EVENT:
qemu_input_event_send(item->src, item->evt);
qapi_free_InputEvent(item->evt);
break;
case QEMU_INPUT_QUEUE_SYNC:
qemu_input_event_sync();
break;
}
QTAILQ_REMOVE(queue, item, node);
g_free(item);
}
}
static void qemu_input_queue_delay(struct QemuInputEventQueueHead *queue,
QEMUTimer *timer, uint32_t delay_ms)
{
QemuInputEventQueue *item = g_new0(QemuInputEventQueue, 1);
bool start_timer = QTAILQ_EMPTY(queue);
item->type = QEMU_INPUT_QUEUE_DELAY;
item->delay_ms = delay_ms;
item->timer = timer;
QTAILQ_INSERT_TAIL(queue, item, node);
if (start_timer) {
timer_mod(item->timer, qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL)
+ item->delay_ms);
}
}
static void qemu_input_queue_event(struct QemuInputEventQueueHead *queue,
QemuConsole *src, InputEvent *evt)
{
QemuInputEventQueue *item = g_new0(QemuInputEventQueue, 1);
item->type = QEMU_INPUT_QUEUE_EVENT;
item->src = src;
item->evt = evt;
QTAILQ_INSERT_TAIL(queue, item, node);
}
static void qemu_input_queue_sync(struct QemuInputEventQueueHead *queue)
{
QemuInputEventQueue *item = g_new0(QemuInputEventQueue, 1);
item->type = QEMU_INPUT_QUEUE_SYNC;
QTAILQ_INSERT_TAIL(queue, item, node);
}
void qemu_input_event_send(QemuConsole *src, InputEvent *evt)
{
QemuInputHandlerState *s;
@ -230,9 +317,14 @@ void qemu_input_event_send_key(QemuConsole *src, KeyValue *key, bool down)
{
InputEvent *evt;
evt = qemu_input_event_new_key(key, down);
qemu_input_event_send(src, evt);
qemu_input_event_sync();
qapi_free_InputEvent(evt);
if (QTAILQ_EMPTY(&kbd_queue)) {
qemu_input_event_send(src, evt);
qemu_input_event_sync();
qapi_free_InputEvent(evt);
} else {
qemu_input_queue_event(&kbd_queue, src, evt);
qemu_input_queue_sync(&kbd_queue);
}
}
void qemu_input_event_send_key_number(QemuConsole *src, int num, bool down)
@ -251,6 +343,16 @@ void qemu_input_event_send_key_qcode(QemuConsole *src, QKeyCode q, bool down)
qemu_input_event_send_key(src, key, down);
}
void qemu_input_event_send_key_delay(uint32_t delay_ms)
{
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);
}
InputEvent *qemu_input_event_new_btn(InputButton btn, bool down)
{
InputEvent *evt = g_new0(InputEvent, 1);