qemu

FORK: QEMU emulator
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input-legacy.c (8859B)


      1 /*
      2  * QEMU System Emulator
      3  *
      4  * Copyright (c) 2003-2008 Fabrice Bellard
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a copy
      7  * of this software and associated documentation files (the "Software"), to deal
      8  * in the Software without restriction, including without limitation the rights
      9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     10  * copies of the Software, and to permit persons to whom the Software is
     11  * furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
     19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
     22  * THE SOFTWARE.
     23  */
     24 
     25 #include "qemu/osdep.h"
     26 #include "qemu/log.h"
     27 #include "qapi/qapi-commands-ui.h"
     28 #include "ui/console.h"
     29 #include "keymaps.h"
     30 #include "ui/input.h"
     31 
     32 struct QEMUPutMouseEntry {
     33     QEMUPutMouseEvent *qemu_put_mouse_event;
     34     void *qemu_put_mouse_event_opaque;
     35     int qemu_put_mouse_event_absolute;
     36 
     37     /* new input core */
     38     QemuInputHandler h;
     39     QemuInputHandlerState *s;
     40     int axis[INPUT_AXIS__MAX];
     41     int buttons;
     42 };
     43 
     44 struct QEMUPutKbdEntry {
     45     QEMUPutKBDEvent *put_kbd;
     46     void *opaque;
     47     QemuInputHandlerState *s;
     48 };
     49 
     50 struct QEMUPutLEDEntry {
     51     QEMUPutLEDEvent *put_led;
     52     void *opaque;
     53     QTAILQ_ENTRY(QEMUPutLEDEntry) next;
     54 };
     55 
     56 static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers =
     57     QTAILQ_HEAD_INITIALIZER(led_handlers);
     58 
     59 int index_from_key(const char *key, size_t key_length)
     60 {
     61     int i;
     62 
     63     for (i = 0; i < Q_KEY_CODE__MAX; i++) {
     64         if (!strncmp(key, QKeyCode_str(i), key_length) &&
     65             !QKeyCode_str(i)[key_length]) {
     66             break;
     67         }
     68     }
     69 
     70     /* Return Q_KEY_CODE__MAX if the key is invalid */
     71     return i;
     72 }
     73 
     74 static KeyValue *copy_key_value(KeyValue *src)
     75 {
     76     KeyValue *dst = g_new(KeyValue, 1);
     77     memcpy(dst, src, sizeof(*src));
     78     if (dst->type == KEY_VALUE_KIND_NUMBER) {
     79         QKeyCode code = qemu_input_key_number_to_qcode(dst->u.number.data);
     80         dst->type = KEY_VALUE_KIND_QCODE;
     81         dst->u.qcode.data = code;
     82     }
     83     return dst;
     84 }
     85 
     86 void qmp_send_key(KeyValueList *keys, bool has_hold_time, int64_t hold_time,
     87                   Error **errp)
     88 {
     89     KeyValueList *p;
     90     KeyValue **up = NULL;
     91     int count = 0;
     92 
     93     if (!has_hold_time) {
     94         hold_time = 0; /* use default */
     95     }
     96 
     97     for (p = keys; p != NULL; p = p->next) {
     98         qemu_input_event_send_key(NULL, copy_key_value(p->value), true);
     99         qemu_input_event_send_key_delay(hold_time);
    100         up = g_realloc(up, sizeof(*up) * (count+1));
    101         up[count] = copy_key_value(p->value);
    102         count++;
    103     }
    104     while (count) {
    105         count--;
    106         qemu_input_event_send_key(NULL, up[count], false);
    107         qemu_input_event_send_key_delay(hold_time);
    108     }
    109     g_free(up);
    110 }
    111 
    112 static void legacy_kbd_event(DeviceState *dev, QemuConsole *src,
    113                              InputEvent *evt)
    114 {
    115     QEMUPutKbdEntry *entry = (QEMUPutKbdEntry *)dev;
    116     int scancodes[3], i, count;
    117     InputKeyEvent *key = evt->u.key.data;
    118 
    119     if (!entry || !entry->put_kbd) {
    120         return;
    121     }
    122     count = qemu_input_key_value_to_scancode(key->key,
    123                                              key->down,
    124                                              scancodes);
    125     for (i = 0; i < count; i++) {
    126         entry->put_kbd(entry->opaque, scancodes[i]);
    127     }
    128 }
    129 
    130 static QemuInputHandler legacy_kbd_handler = {
    131     .name  = "legacy-kbd",
    132     .mask  = INPUT_EVENT_MASK_KEY,
    133     .event = legacy_kbd_event,
    134 };
    135 
    136 QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
    137 {
    138     QEMUPutKbdEntry *entry;
    139 
    140     entry = g_new0(QEMUPutKbdEntry, 1);
    141     entry->put_kbd = func;
    142     entry->opaque = opaque;
    143     entry->s = qemu_input_handler_register((DeviceState *)entry,
    144                                            &legacy_kbd_handler);
    145     qemu_input_handler_activate(entry->s);
    146     return entry;
    147 }
    148 
    149 static void legacy_mouse_event(DeviceState *dev, QemuConsole *src,
    150                                InputEvent *evt)
    151 {
    152     static const int bmap[INPUT_BUTTON__MAX] = {
    153         [INPUT_BUTTON_LEFT]   = MOUSE_EVENT_LBUTTON,
    154         [INPUT_BUTTON_MIDDLE] = MOUSE_EVENT_MBUTTON,
    155         [INPUT_BUTTON_RIGHT]  = MOUSE_EVENT_RBUTTON,
    156     };
    157     QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
    158     InputBtnEvent *btn;
    159     InputMoveEvent *move;
    160 
    161     switch (evt->type) {
    162     case INPUT_EVENT_KIND_BTN:
    163         btn = evt->u.btn.data;
    164         if (btn->down) {
    165             s->buttons |= bmap[btn->button];
    166         } else {
    167             s->buttons &= ~bmap[btn->button];
    168         }
    169         if (btn->down && btn->button == INPUT_BUTTON_WHEEL_UP) {
    170             s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
    171                                     s->axis[INPUT_AXIS_X],
    172                                     s->axis[INPUT_AXIS_Y],
    173                                     -1,
    174                                     s->buttons);
    175         }
    176         if (btn->down && btn->button == INPUT_BUTTON_WHEEL_DOWN) {
    177             s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
    178                                     s->axis[INPUT_AXIS_X],
    179                                     s->axis[INPUT_AXIS_Y],
    180                                     1,
    181                                     s->buttons);
    182         }
    183         if (btn->down && btn->button == INPUT_BUTTON_WHEEL_RIGHT) {
    184             s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
    185                                     s->axis[INPUT_AXIS_X],
    186                                     s->axis[INPUT_AXIS_Y],
    187                                     -2,
    188                                     s->buttons);
    189         }
    190         if (btn->down && btn->button == INPUT_BUTTON_WHEEL_LEFT) {
    191             s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
    192                                     s->axis[INPUT_AXIS_X],
    193                                     s->axis[INPUT_AXIS_Y],
    194                                     2,
    195                                     s->buttons);
    196         }
    197         break;
    198     case INPUT_EVENT_KIND_ABS:
    199         move = evt->u.abs.data;
    200         s->axis[move->axis] = move->value;
    201         break;
    202     case INPUT_EVENT_KIND_REL:
    203         move = evt->u.rel.data;
    204         s->axis[move->axis] += move->value;
    205         break;
    206     default:
    207         break;
    208     }
    209 }
    210 
    211 static void legacy_mouse_sync(DeviceState *dev)
    212 {
    213     QEMUPutMouseEntry *s = (QEMUPutMouseEntry *)dev;
    214 
    215     s->qemu_put_mouse_event(s->qemu_put_mouse_event_opaque,
    216                             s->axis[INPUT_AXIS_X],
    217                             s->axis[INPUT_AXIS_Y],
    218                             0,
    219                             s->buttons);
    220 
    221     if (!s->qemu_put_mouse_event_absolute) {
    222         s->axis[INPUT_AXIS_X] = 0;
    223         s->axis[INPUT_AXIS_Y] = 0;
    224     }
    225 }
    226 
    227 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
    228                                                 void *opaque, int absolute,
    229                                                 const char *name)
    230 {
    231     QEMUPutMouseEntry *s;
    232 
    233     s = g_new0(QEMUPutMouseEntry, 1);
    234 
    235     s->qemu_put_mouse_event = func;
    236     s->qemu_put_mouse_event_opaque = opaque;
    237     s->qemu_put_mouse_event_absolute = absolute;
    238 
    239     s->h.name = name;
    240     s->h.mask = INPUT_EVENT_MASK_BTN |
    241         (absolute ? INPUT_EVENT_MASK_ABS : INPUT_EVENT_MASK_REL);
    242     s->h.event = legacy_mouse_event;
    243     s->h.sync = legacy_mouse_sync;
    244     s->s = qemu_input_handler_register((DeviceState *)s,
    245                                        &s->h);
    246 
    247     return s;
    248 }
    249 
    250 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
    251 {
    252     qemu_input_handler_activate(entry->s);
    253 }
    254 
    255 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
    256 {
    257     qemu_input_handler_unregister(entry->s);
    258 
    259     g_free(entry);
    260 }
    261 
    262 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
    263                                             void *opaque)
    264 {
    265     QEMUPutLEDEntry *s;
    266 
    267     s = g_new0(QEMUPutLEDEntry, 1);
    268 
    269     s->put_led = func;
    270     s->opaque = opaque;
    271     QTAILQ_INSERT_TAIL(&led_handlers, s, next);
    272     return s;
    273 }
    274 
    275 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
    276 {
    277     if (entry == NULL)
    278         return;
    279     QTAILQ_REMOVE(&led_handlers, entry, next);
    280     g_free(entry);
    281 }
    282 
    283 void kbd_put_ledstate(int ledstate)
    284 {
    285     QEMUPutLEDEntry *cursor;
    286 
    287     QTAILQ_FOREACH(cursor, &led_handlers, next) {
    288         cursor->put_led(cursor->opaque, ledstate);
    289     }
    290 }