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-rw-r--r--ui/input.c529
1 files changed, 529 insertions, 0 deletions
diff --git a/ui/input.c b/ui/input.c
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+++ b/ui/input.c
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+/*
+ * QEMU System Emulator
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "sysemu.h"
+#include "monitor.h"
+#include "ui/console.h"
+#include "error.h"
+#include "qmp-commands.h"
+#include "qapi-types.h"
+
+static QEMUPutKBDEvent *qemu_put_kbd_event;
+static void *qemu_put_kbd_event_opaque;
+static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = QTAILQ_HEAD_INITIALIZER(led_handlers);
+static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
+    QTAILQ_HEAD_INITIALIZER(mouse_handlers);
+static NotifierList mouse_mode_notifiers = 
+    NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
+
+static const int key_defs[] = {
+    [Q_KEY_CODE_SHIFT] = 0x2a,
+    [Q_KEY_CODE_SHIFT_R] = 0x36,
+
+    [Q_KEY_CODE_ALT] = 0x38,
+    [Q_KEY_CODE_ALT_R] = 0xb8,
+    [Q_KEY_CODE_ALTGR] = 0x64,
+    [Q_KEY_CODE_ALTGR_R] = 0xe4,
+    [Q_KEY_CODE_CTRL] = 0x1d,
+    [Q_KEY_CODE_CTRL_R] = 0x9d,
+
+    [Q_KEY_CODE_MENU] = 0xdd,
+
+    [Q_KEY_CODE_ESC] = 0x01,
+
+    [Q_KEY_CODE_1] = 0x02,
+    [Q_KEY_CODE_2] = 0x03,
+    [Q_KEY_CODE_3] = 0x04,
+    [Q_KEY_CODE_4] = 0x05,
+    [Q_KEY_CODE_5] = 0x06,
+    [Q_KEY_CODE_6] = 0x07,
+    [Q_KEY_CODE_7] = 0x08,
+    [Q_KEY_CODE_8] = 0x09,
+    [Q_KEY_CODE_9] = 0x0a,
+    [Q_KEY_CODE_0] = 0x0b,
+    [Q_KEY_CODE_MINUS] = 0x0c,
+    [Q_KEY_CODE_EQUAL] = 0x0d,
+    [Q_KEY_CODE_BACKSPACE] = 0x0e,
+
+    [Q_KEY_CODE_TAB] = 0x0f,
+    [Q_KEY_CODE_Q] = 0x10,
+    [Q_KEY_CODE_W] = 0x11,
+    [Q_KEY_CODE_E] = 0x12,
+    [Q_KEY_CODE_R] = 0x13,
+    [Q_KEY_CODE_T] = 0x14,
+    [Q_KEY_CODE_Y] = 0x15,
+    [Q_KEY_CODE_U] = 0x16,
+    [Q_KEY_CODE_I] = 0x17,
+    [Q_KEY_CODE_O] = 0x18,
+    [Q_KEY_CODE_P] = 0x19,
+    [Q_KEY_CODE_BRACKET_LEFT] = 0x1a,
+    [Q_KEY_CODE_BRACKET_RIGHT] = 0x1b,
+    [Q_KEY_CODE_RET] = 0x1c,
+
+    [Q_KEY_CODE_A] = 0x1e,
+    [Q_KEY_CODE_S] = 0x1f,
+    [Q_KEY_CODE_D] = 0x20,
+    [Q_KEY_CODE_F] = 0x21,
+    [Q_KEY_CODE_G] = 0x22,
+    [Q_KEY_CODE_H] = 0x23,
+    [Q_KEY_CODE_J] = 0x24,
+    [Q_KEY_CODE_K] = 0x25,
+    [Q_KEY_CODE_L] = 0x26,
+    [Q_KEY_CODE_SEMICOLON] = 0x27,
+    [Q_KEY_CODE_APOSTROPHE] = 0x28,
+    [Q_KEY_CODE_GRAVE_ACCENT] = 0x29,
+
+    [Q_KEY_CODE_BACKSLASH] = 0x2b,
+    [Q_KEY_CODE_Z] = 0x2c,
+    [Q_KEY_CODE_X] = 0x2d,
+    [Q_KEY_CODE_C] = 0x2e,
+    [Q_KEY_CODE_V] = 0x2f,
+    [Q_KEY_CODE_B] = 0x30,
+    [Q_KEY_CODE_N] = 0x31,
+    [Q_KEY_CODE_M] = 0x32,
+    [Q_KEY_CODE_COMMA] = 0x33,
+    [Q_KEY_CODE_DOT] = 0x34,
+    [Q_KEY_CODE_SLASH] = 0x35,
+
+    [Q_KEY_CODE_ASTERISK] = 0x37,
+
+    [Q_KEY_CODE_SPC] = 0x39,
+    [Q_KEY_CODE_CAPS_LOCK] = 0x3a,
+    [Q_KEY_CODE_F1] = 0x3b,
+    [Q_KEY_CODE_F2] = 0x3c,
+    [Q_KEY_CODE_F3] = 0x3d,
+    [Q_KEY_CODE_F4] = 0x3e,
+    [Q_KEY_CODE_F5] = 0x3f,
+    [Q_KEY_CODE_F6] = 0x40,
+    [Q_KEY_CODE_F7] = 0x41,
+    [Q_KEY_CODE_F8] = 0x42,
+    [Q_KEY_CODE_F9] = 0x43,
+    [Q_KEY_CODE_F10] = 0x44,
+    [Q_KEY_CODE_NUM_LOCK] = 0x45,
+    [Q_KEY_CODE_SCROLL_LOCK] = 0x46,
+
+    [Q_KEY_CODE_KP_DIVIDE] = 0xb5,
+    [Q_KEY_CODE_KP_MULTIPLY] = 0x37,
+    [Q_KEY_CODE_KP_SUBTRACT] = 0x4a,
+    [Q_KEY_CODE_KP_ADD] = 0x4e,
+    [Q_KEY_CODE_KP_ENTER] = 0x9c,
+    [Q_KEY_CODE_KP_DECIMAL] = 0x53,
+    [Q_KEY_CODE_SYSRQ] = 0x54,
+
+    [Q_KEY_CODE_KP_0] = 0x52,
+    [Q_KEY_CODE_KP_1] = 0x4f,
+    [Q_KEY_CODE_KP_2] = 0x50,
+    [Q_KEY_CODE_KP_3] = 0x51,
+    [Q_KEY_CODE_KP_4] = 0x4b,
+    [Q_KEY_CODE_KP_5] = 0x4c,
+    [Q_KEY_CODE_KP_6] = 0x4d,
+    [Q_KEY_CODE_KP_7] = 0x47,
+    [Q_KEY_CODE_KP_8] = 0x48,
+    [Q_KEY_CODE_KP_9] = 0x49,
+
+    [Q_KEY_CODE_LESS] = 0x56,
+
+    [Q_KEY_CODE_F11] = 0x57,
+    [Q_KEY_CODE_F12] = 0x58,
+
+    [Q_KEY_CODE_PRINT] = 0xb7,
+
+    [Q_KEY_CODE_HOME] = 0xc7,
+    [Q_KEY_CODE_PGUP] = 0xc9,
+    [Q_KEY_CODE_PGDN] = 0xd1,
+    [Q_KEY_CODE_END] = 0xcf,
+
+    [Q_KEY_CODE_LEFT] = 0xcb,
+    [Q_KEY_CODE_UP] = 0xc8,
+    [Q_KEY_CODE_DOWN] = 0xd0,
+    [Q_KEY_CODE_RIGHT] = 0xcd,
+
+    [Q_KEY_CODE_INSERT] = 0xd2,
+    [Q_KEY_CODE_DELETE] = 0xd3,
+#ifdef NEED_CPU_H
+#if defined(TARGET_SPARC) && !defined(TARGET_SPARC64)
+    [Q_KEY_CODE_STOP] = 0xf0,
+    [Q_KEY_CODE_AGAIN] = 0xf1,
+    [Q_KEY_CODE_PROPS] = 0xf2,
+    [Q_KEY_CODE_UNDO] = 0xf3,
+    [Q_KEY_CODE_FRONT] = 0xf4,
+    [Q_KEY_CODE_COPY] = 0xf5,
+    [Q_KEY_CODE_OPEN] = 0xf6,
+    [Q_KEY_CODE_PASTE] = 0xf7,
+    [Q_KEY_CODE_FIND] = 0xf8,
+    [Q_KEY_CODE_CUT] = 0xf9,
+    [Q_KEY_CODE_LF] = 0xfa,
+    [Q_KEY_CODE_HELP] = 0xfb,
+    [Q_KEY_CODE_META_L] = 0xfc,
+    [Q_KEY_CODE_META_R] = 0xfd,
+    [Q_KEY_CODE_COMPOSE] = 0xfe,
+#endif
+#endif
+    [Q_KEY_CODE_MAX] = 0,
+};
+
+int index_from_key(const char *key)
+{
+    int i;
+
+    for (i = 0; QKeyCode_lookup[i] != NULL; i++) {
+        if (!strcmp(key, QKeyCode_lookup[i])) {
+            break;
+        }
+    }
+
+    /* Return Q_KEY_CODE_MAX if the key is invalid */
+    return i;
+}
+
+int index_from_keycode(int code)
+{
+    int i;
+
+    for (i = 0; i < Q_KEY_CODE_MAX; i++) {
+        if (key_defs[i] == code) {
+            break;
+        }
+    }
+
+    /* Return Q_KEY_CODE_MAX if the code is invalid */
+    return i;
+}
+
+static int *keycodes;
+static int keycodes_size;
+static QEMUTimer *key_timer;
+
+static int keycode_from_keyvalue(const KeyValue *value)
+{
+    if (value->kind == KEY_VALUE_KIND_QCODE) {
+        return key_defs[value->qcode];
+    } else {
+        assert(value->kind == KEY_VALUE_KIND_NUMBER);
+        return value->number;
+    }
+}
+
+static void free_keycodes(void)
+{
+    g_free(keycodes);
+    keycodes = NULL;
+    keycodes_size = 0;
+}
+
+static void release_keys(void *opaque)
+{
+    int i;
+
+    for (i = 0; i < keycodes_size; i++) {
+        if (keycodes[i] & 0x80) {
+            kbd_put_keycode(0xe0);
+        }
+        kbd_put_keycode(keycodes[i]| 0x80);
+    }
+
+    free_keycodes();
+}
+
+void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
+                  Error **errp)
+{
+    int keycode;
+    KeyValueList *p;
+
+    if (!key_timer) {
+        key_timer = qemu_new_timer_ns(vm_clock, release_keys, NULL);
+    }
+
+    if (keycodes != NULL) {
+        qemu_del_timer(key_timer);
+        release_keys(NULL);
+    }
+
+    if (!has_hold_time) {
+        hold_time = 100;
+    }
+
+    for (p = keys; p != NULL; p = p->next) {
+        /* key down events */
+        keycode = keycode_from_keyvalue(p->value);
+        if (keycode < 0x01 || keycode > 0xff) {
+            error_setg(errp, "invalid hex keycode 0x%x\n", keycode);
+            free_keycodes();
+            return;
+        }
+
+        if (keycode & 0x80) {
+            kbd_put_keycode(0xe0);
+        }
+        kbd_put_keycode(keycode & 0x7f);
+
+        keycodes = g_realloc(keycodes, sizeof(int) * (keycodes_size + 1));
+        keycodes[keycodes_size++] = keycode;
+    }
+
+    /* delayed key up events */
+    qemu_mod_timer(key_timer, qemu_get_clock_ns(vm_clock) +
+                   muldiv64(get_ticks_per_sec(), hold_time, 1000));
+}
+
+void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
+{
+    qemu_put_kbd_event_opaque = opaque;
+    qemu_put_kbd_event = func;
+}
+
+void qemu_remove_kbd_event_handler(void)
+{
+    qemu_put_kbd_event_opaque = NULL;
+    qemu_put_kbd_event = NULL;
+}
+
+static void check_mode_change(void)
+{
+    static int current_is_absolute, current_has_absolute;
+    int is_absolute;
+    int has_absolute;
+
+    is_absolute = kbd_mouse_is_absolute();
+    has_absolute = kbd_mouse_has_absolute();
+
+    if (is_absolute != current_is_absolute ||
+        has_absolute != current_has_absolute) {
+        notifier_list_notify(&mouse_mode_notifiers, NULL);
+    }
+
+    current_is_absolute = is_absolute;
+    current_has_absolute = has_absolute;
+}
+
+QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
+                                                void *opaque, int absolute,
+                                                const char *name)
+{
+    QEMUPutMouseEntry *s;
+    static int mouse_index = 0;
+
+    s = g_malloc0(sizeof(QEMUPutMouseEntry));
+
+    s->qemu_put_mouse_event = func;
+    s->qemu_put_mouse_event_opaque = opaque;
+    s->qemu_put_mouse_event_absolute = absolute;
+    s->qemu_put_mouse_event_name = g_strdup(name);
+    s->index = mouse_index++;
+
+    QTAILQ_INSERT_TAIL(&mouse_handlers, s, node);
+
+    check_mode_change();
+
+    return s;
+}
+
+void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
+{
+    QTAILQ_REMOVE(&mouse_handlers, entry, node);
+    QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node);
+
+    check_mode_change();
+}
+
+void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
+{
+    QTAILQ_REMOVE(&mouse_handlers, entry, node);
+
+    g_free(entry->qemu_put_mouse_event_name);
+    g_free(entry);
+
+    check_mode_change();
+}
+
+QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
+                                            void *opaque)
+{
+    QEMUPutLEDEntry *s;
+
+    s = g_malloc0(sizeof(QEMUPutLEDEntry));
+
+    s->put_led = func;
+    s->opaque = opaque;
+    QTAILQ_INSERT_TAIL(&led_handlers, s, next);
+    return s;
+}
+
+void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
+{
+    if (entry == NULL)
+        return;
+    QTAILQ_REMOVE(&led_handlers, entry, next);
+    g_free(entry);
+}
+
+void kbd_put_keycode(int keycode)
+{
+    if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
+        return;
+    }
+    if (qemu_put_kbd_event) {
+        qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
+    }
+}
+
+void kbd_put_ledstate(int ledstate)
+{
+    QEMUPutLEDEntry *cursor;
+
+    QTAILQ_FOREACH(cursor, &led_handlers, next) {
+        cursor->put_led(cursor->opaque, ledstate);
+    }
+}
+
+void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
+{
+    QEMUPutMouseEntry *entry;
+    QEMUPutMouseEvent *mouse_event;
+    void *mouse_event_opaque;
+    int width, height;
+
+    if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
+        return;
+    }
+    if (QTAILQ_EMPTY(&mouse_handlers)) {
+        return;
+    }
+
+    entry = QTAILQ_FIRST(&mouse_handlers);
+
+    mouse_event = entry->qemu_put_mouse_event;
+    mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
+
+    if (mouse_event) {
+        if (entry->qemu_put_mouse_event_absolute) {
+            width = 0x7fff;
+            height = 0x7fff;
+        } else {
+            width = graphic_width - 1;
+            height = graphic_height - 1;
+        }
+
+        switch (graphic_rotate) {
+        case 0:
+            mouse_event(mouse_event_opaque,
+                        dx, dy, dz, buttons_state);
+            break;
+        case 90:
+            mouse_event(mouse_event_opaque,
+                        width - dy, dx, dz, buttons_state);
+            break;
+        case 180:
+            mouse_event(mouse_event_opaque,
+                        width - dx, height - dy, dz, buttons_state);
+            break;
+        case 270:
+            mouse_event(mouse_event_opaque,
+                        dy, height - dx, dz, buttons_state);
+            break;
+        }
+    }
+}
+
+int kbd_mouse_is_absolute(void)
+{
+    if (QTAILQ_EMPTY(&mouse_handlers)) {
+        return 0;
+    }
+
+    return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute;
+}
+
+int kbd_mouse_has_absolute(void)
+{
+    QEMUPutMouseEntry *entry;
+
+    QTAILQ_FOREACH(entry, &mouse_handlers, node) {
+        if (entry->qemu_put_mouse_event_absolute) {
+            return 1;
+        }
+    }
+
+    return 0;
+}
+
+MouseInfoList *qmp_query_mice(Error **errp)
+{
+    MouseInfoList *mice_list = NULL;
+    QEMUPutMouseEntry *cursor;
+    bool current = true;
+
+    QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
+        MouseInfoList *info = g_malloc0(sizeof(*info));
+        info->value = g_malloc0(sizeof(*info->value));
+        info->value->name = g_strdup(cursor->qemu_put_mouse_event_name);
+        info->value->index = cursor->index;
+        info->value->absolute = !!cursor->qemu_put_mouse_event_absolute;
+        info->value->current = current;
+
+        current = false;
+
+        info->next = mice_list;
+        mice_list = info;
+    }
+
+    return mice_list;
+}
+
+void do_mouse_set(Monitor *mon, const QDict *qdict)
+{
+    QEMUPutMouseEntry *cursor;
+    int index = qdict_get_int(qdict, "index");
+    int found = 0;
+
+    if (QTAILQ_EMPTY(&mouse_handlers)) {
+        monitor_printf(mon, "No mouse devices connected\n");
+        return;
+    }
+
+    QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
+        if (cursor->index == index) {
+            found = 1;
+            qemu_activate_mouse_event_handler(cursor);
+            break;
+        }
+    }
+
+    if (!found) {
+        monitor_printf(mon, "Mouse at given index not found\n");
+    }
+
+    check_mode_change();
+}
+
+void qemu_add_mouse_mode_change_notifier(Notifier *notify)
+{
+    notifier_list_add(&mouse_mode_notifiers, notify);
+}
+
+void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
+{
+    notifier_remove(notify);
+}