X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/5bc8f026dd5eb76c89395933d38dc5b0cebf5763..7ffe3124edd4cfb68870f62263cd9830b68a7a46:/ui/input.c

diff --git a/ui/input.c b/ui/input.c
index fc91fba83c..ed88cda6d6 100644
--- a/ui/input.c
+++ b/ui/input.c
@@ -1,22 +1,47 @@
+#include "qemu/osdep.h"
+#include "hw/qdev.h"
 #include "sysemu/sysemu.h"
 #include "qapi-types.h"
+#include "qemu/error-report.h"
 #include "qmp-commands.h"
 #include "trace.h"
 #include "ui/input.h"
 #include "ui/console.h"
+#include "sysemu/replay.h"
 
 struct QemuInputHandlerState {
     DeviceState       *dev;
     QemuInputHandler  *handler;
     int               id;
     int               events;
+    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)
 {
@@ -53,12 +78,40 @@ void qemu_input_handler_unregister(QemuInputHandlerState *s)
     qemu_input_check_mode_change();
 }
 
+void qemu_input_handler_bind(QemuInputHandlerState *s,
+                             const char *device_id, int head,
+                             Error **errp)
+{
+    QemuConsole *con;
+    Error *err = NULL;
+
+    con = qemu_console_lookup_by_device_name(device_id, head, &err);
+    if (err) {
+        error_propagate(errp, err);
+        return;
+    }
+
+    s->con = con;
+}
+
 static QemuInputHandlerState*
-qemu_input_find_handler(uint32_t mask)
+qemu_input_find_handler(uint32_t mask, QemuConsole *con)
 {
     QemuInputHandlerState *s;
 
     QTAILQ_FOREACH(s, &handlers, node) {
+        if (s->con == NULL || s->con != con) {
+            continue;
+        }
+        if (mask & s->handler->mask) {
+            return s;
+        }
+    }
+
+    QTAILQ_FOREACH(s, &handlers, node) {
+        if (s->con != NULL) {
+            continue;
+        }
         if (mask & s->handler->mask) {
             return s;
         }
@@ -66,26 +119,72 @@ qemu_input_find_handler(uint32_t mask)
     return NULL;
 }
 
+void qmp_input_send_event(bool has_device, const char *device,
+                          bool has_head, int64_t head,
+                          InputEventList *events, Error **errp)
+{
+    InputEventList *e;
+    QemuConsole *con;
+    Error *err = NULL;
+
+    con = NULL;
+    if (has_device) {
+        if (!has_head) {
+            head = 0;
+        }
+        con = qemu_console_lookup_by_device_name(device, head, &err);
+        if (err) {
+            error_propagate(errp, err);
+            return;
+        }
+    }
+
+    if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
+        error_setg(errp, "VM not running");
+        return;
+    }
+
+    for (e = events; e != NULL; e = e->next) {
+        InputEvent *event = e->value;
+
+        if (!qemu_input_find_handler(1 << event->type, con)) {
+            error_setg(errp, "Input handler not found for "
+                             "event type %s",
+                            InputEventKind_lookup[event->type]);
+            return;
+        }
+    }
+
+    for (e = events; e != NULL; e = e->next) {
+        InputEvent *event = e->value;
+
+        qemu_input_event_send(con, event);
+    }
+
+    qemu_input_event_sync();
+}
+
 static void qemu_input_transform_abs_rotate(InputEvent *evt)
 {
+    InputMoveEvent *move = evt->u.abs.data;
     switch (graphic_rotate) {
     case 90:
-        if (evt->abs->axis == INPUT_AXIS_X) {
-            evt->abs->axis = INPUT_AXIS_Y;
-        } else if (evt->abs->axis == INPUT_AXIS_Y) {
-            evt->abs->axis = INPUT_AXIS_X;
-            evt->abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->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 = INPUT_EVENT_ABS_SIZE - 1 - move->value;
         }
         break;
     case 180:
-        evt->abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->abs->value;
+        move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value;
         break;
     case 270:
-        if (evt->abs->axis == INPUT_AXIS_X) {
-            evt->abs->axis = INPUT_AXIS_Y;
-            evt->abs->value = INPUT_EVENT_ABS_SIZE - 1 - evt->abs->value;
-        } else if (evt->abs->axis == INPUT_AXIS_Y) {
-            evt->abs->axis = INPUT_AXIS_X;
+        if (move->axis == INPUT_AXIS_X) {
+            move->axis = INPUT_AXIS_Y;
+            move->value = INPUT_EVENT_ABS_SIZE - 1 - move->value;
+        } else if (move->axis == INPUT_AXIS_Y) {
+            move->axis = INPUT_AXIS_X;
         }
         break;
     }
@@ -94,62 +193,134 @@ static void qemu_input_transform_abs_rotate(InputEvent *evt)
 static void qemu_input_event_trace(QemuConsole *src, InputEvent *evt)
 {
     const char *name;
-    int idx = -1;
+    int qcode, idx = -1;
+    InputKeyEvent *key;
+    InputBtnEvent *btn;
+    InputMoveEvent *move;
 
     if (src) {
         idx = qemu_console_get_index(src);
     }
-    switch (evt->kind) {
+    switch (evt->type) {
     case INPUT_EVENT_KIND_KEY:
-        switch (evt->key->key->kind) {
+        key = evt->u.key.data;
+        switch (key->key->type) {
         case KEY_VALUE_KIND_NUMBER:
-            trace_input_event_key_number(idx, evt->key->key->number,
-                                         evt->key->down);
+            qcode = qemu_input_key_number_to_qcode(key->key->u.number.data);
+            name = QKeyCode_lookup[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->key->key->qcode];
-            trace_input_event_key_qcode(idx, name, evt->key->down);
+            name = QKeyCode_lookup[key->key->u.qcode.data];
+            trace_input_event_key_qcode(idx, name, key->down);
             break;
-        case KEY_VALUE_KIND_MAX:
+        case KEY_VALUE_KIND__MAX:
             /* keep gcc happy */
             break;
         }
         break;
     case INPUT_EVENT_KIND_BTN:
-        name = InputButton_lookup[evt->btn->button];
-        trace_input_event_btn(idx, name, evt->btn->down);
+        btn = evt->u.btn.data;
+        name = InputButton_lookup[btn->button];
+        trace_input_event_btn(idx, name, btn->down);
         break;
     case INPUT_EVENT_KIND_REL:
-        name = InputAxis_lookup[evt->rel->axis];
-        trace_input_event_rel(idx, name, evt->rel->value);
+        move = evt->u.rel.data;
+        name = InputAxis_lookup[move->axis];
+        trace_input_event_rel(idx, name, move->value);
         break;
     case INPUT_EVENT_KIND_ABS:
-        name = InputAxis_lookup[evt->abs->axis];
-        trace_input_event_abs(idx, name, evt->abs->value);
+        move = evt->u.abs.data;
+        name = InputAxis_lookup[move->axis];
+        trace_input_event_abs(idx, name, move->value);
         break;
-    case INPUT_EVENT_KIND_MAX:
+    case INPUT_EVENT_KIND__MAX:
         /* keep gcc happy */
         break;
     }
 }
 
-void qemu_input_event_send(QemuConsole *src, InputEvent *evt)
+static void qemu_input_queue_process(void *opaque)
 {
-    QemuInputHandlerState *s;
+    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);
+    }
+}
 
-    if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
-        return;
+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_impl(QemuConsole *src, InputEvent *evt)
+{
+    QemuInputHandlerState *s;
 
     qemu_input_event_trace(src, evt);
 
     /* pre processing */
-    if (graphic_rotate && (evt->kind == INPUT_EVENT_KIND_ABS)) {
+    if (graphic_rotate && (evt->type == INPUT_EVENT_KIND_ABS)) {
             qemu_input_transform_abs_rotate(evt);
     }
 
     /* send event */
-    s = qemu_input_find_handler(1 << evt->kind);
+    s = qemu_input_find_handler(1 << evt->type, src);
     if (!s) {
         return;
     }
@@ -157,14 +328,19 @@ void qemu_input_event_send(QemuConsole *src, InputEvent *evt)
     s->events++;
 }
 
-void qemu_input_event_sync(void)
+void qemu_input_event_send(QemuConsole *src, InputEvent *evt)
 {
-    QemuInputHandlerState *s;
-
     if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
         return;
     }
 
+    replay_input_event(src, evt);
+}
+
+void qemu_input_event_sync_impl(void)
+{
+    QemuInputHandlerState *s;
+
     trace_input_event_sync();
 
     QTAILQ_FOREACH(s, &handlers, node) {
@@ -178,13 +354,22 @@ void qemu_input_event_sync(void)
     }
 }
 
+void qemu_input_event_sync(void)
+{
+    if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
+        return;
+    }
+
+    replay_input_sync_event();
+}
+
 InputEvent *qemu_input_event_new_key(KeyValue *key, bool down)
 {
     InputEvent *evt = g_new0(InputEvent, 1);
-    evt->key = g_new0(InputKeyEvent, 1);
-    evt->kind = INPUT_EVENT_KIND_KEY;
-    evt->key->key = key;
-    evt->key->down = down;
+    evt->u.key.data = g_new0(InputKeyEvent, 1);
+    evt->type = INPUT_EVENT_KIND_KEY;
+    evt->u.key.data->key = key;
+    evt->u.key.data->down = down;
     return evt;
 }
 
@@ -192,34 +377,49 @@ 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)
 {
     KeyValue *key = g_new0(KeyValue, 1);
-    key->kind = KEY_VALUE_KIND_NUMBER;
-    key->number = num;
+    key->type = KEY_VALUE_KIND_NUMBER;
+    key->u.number.data = num;
     qemu_input_event_send_key(src, key, down);
 }
 
 void qemu_input_event_send_key_qcode(QemuConsole *src, QKeyCode q, bool down)
 {
     KeyValue *key = g_new0(KeyValue, 1);
-    key->kind = KEY_VALUE_KIND_QCODE;
-    key->qcode = q;
+    key->type = KEY_VALUE_KIND_QCODE;
+    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 (!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);
-    evt->btn = g_new0(InputBtnEvent, 1);
-    evt->kind = INPUT_EVENT_KIND_BTN;
-    evt->btn->button = btn;
-    evt->btn->down = down;
+    evt->u.btn.data = g_new0(InputBtnEvent, 1);
+    evt->type = INPUT_EVENT_KIND_BTN;
+    evt->u.btn.data->button = btn;
+    evt->u.btn.data->down = down;
     return evt;
 }
 
@@ -237,7 +437,7 @@ void qemu_input_update_buttons(QemuConsole *src, uint32_t *button_map,
     InputButton btn;
     uint32_t mask;
 
-    for (btn = 0; btn < INPUT_BUTTON_MAX; btn++) {
+    for (btn = 0; btn < INPUT_BUTTON__MAX; btn++) {
         mask = button_map[btn];
         if ((button_old & mask) == (button_new & mask)) {
             continue;
@@ -250,7 +450,8 @@ bool qemu_input_is_absolute(void)
 {
     QemuInputHandlerState *s;
 
-    s = qemu_input_find_handler(INPUT_EVENT_MASK_REL | INPUT_EVENT_MASK_ABS);
+    s = qemu_input_find_handler(INPUT_EVENT_MASK_REL | INPUT_EVENT_MASK_ABS,
+                                NULL);
     return (s != NULL) && (s->handler->mask & INPUT_EVENT_MASK_ABS);
 }
 
@@ -268,8 +469,8 @@ InputEvent *qemu_input_event_new_move(InputEventKind kind,
     InputEvent *evt = g_new0(InputEvent, 1);
     InputMoveEvent *move = g_new0(InputMoveEvent, 1);
 
-    evt->kind = kind;
-    evt->data = move;
+    evt->type = kind;
+    evt->u.rel.data = move; /* evt->u.rel is the same as evt->u.abs */
     move->axis = axis;
     move->value = value;
     return evt;
@@ -345,7 +546,7 @@ MouseInfoList *qmp_query_mice(Error **errp)
     return mice_list;
 }
 
-void do_mouse_set(Monitor *mon, const QDict *qdict)
+void hmp_mouse_set(Monitor *mon, const QDict *qdict)
 {
     QemuInputHandlerState *s;
     int index = qdict_get_int(qdict, "index");