Annotation of qemu/input.c, revision 1.1.1.4

1.1       root        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 "sysemu.h"
                     26: #include "net.h"
                     27: #include "monitor.h"
                     28: #include "console.h"
1.1.1.3   root       29: #include "error.h"
                     30: #include "qmp-commands.h"
1.1       root       31: 
                     32: static QEMUPutKBDEvent *qemu_put_kbd_event;
                     33: static void *qemu_put_kbd_event_opaque;
                     34: static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = QTAILQ_HEAD_INITIALIZER(led_handlers);
                     35: static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
                     36:     QTAILQ_HEAD_INITIALIZER(mouse_handlers);
                     37: static NotifierList mouse_mode_notifiers = 
                     38:     NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
                     39: 
                     40: void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
                     41: {
                     42:     qemu_put_kbd_event_opaque = opaque;
                     43:     qemu_put_kbd_event = func;
                     44: }
                     45: 
                     46: void qemu_remove_kbd_event_handler(void)
                     47: {
                     48:     qemu_put_kbd_event_opaque = NULL;
                     49:     qemu_put_kbd_event = NULL;
                     50: }
                     51: 
                     52: static void check_mode_change(void)
                     53: {
                     54:     static int current_is_absolute, current_has_absolute;
                     55:     int is_absolute;
                     56:     int has_absolute;
                     57: 
                     58:     is_absolute = kbd_mouse_is_absolute();
                     59:     has_absolute = kbd_mouse_has_absolute();
                     60: 
                     61:     if (is_absolute != current_is_absolute ||
                     62:         has_absolute != current_has_absolute) {
1.1.1.2   root       63:         notifier_list_notify(&mouse_mode_notifiers, NULL);
1.1       root       64:     }
                     65: 
                     66:     current_is_absolute = is_absolute;
                     67:     current_has_absolute = has_absolute;
                     68: }
                     69: 
                     70: QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
                     71:                                                 void *opaque, int absolute,
                     72:                                                 const char *name)
                     73: {
                     74:     QEMUPutMouseEntry *s;
                     75:     static int mouse_index = 0;
                     76: 
1.1.1.3   root       77:     s = g_malloc0(sizeof(QEMUPutMouseEntry));
1.1       root       78: 
                     79:     s->qemu_put_mouse_event = func;
                     80:     s->qemu_put_mouse_event_opaque = opaque;
                     81:     s->qemu_put_mouse_event_absolute = absolute;
1.1.1.3   root       82:     s->qemu_put_mouse_event_name = g_strdup(name);
1.1       root       83:     s->index = mouse_index++;
                     84: 
                     85:     QTAILQ_INSERT_TAIL(&mouse_handlers, s, node);
                     86: 
                     87:     check_mode_change();
                     88: 
                     89:     return s;
                     90: }
                     91: 
                     92: void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
                     93: {
                     94:     QTAILQ_REMOVE(&mouse_handlers, entry, node);
                     95:     QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node);
                     96: 
                     97:     check_mode_change();
                     98: }
                     99: 
                    100: void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
                    101: {
                    102:     QTAILQ_REMOVE(&mouse_handlers, entry, node);
                    103: 
1.1.1.3   root      104:     g_free(entry->qemu_put_mouse_event_name);
                    105:     g_free(entry);
1.1       root      106: 
                    107:     check_mode_change();
                    108: }
                    109: 
                    110: QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
                    111:                                             void *opaque)
                    112: {
                    113:     QEMUPutLEDEntry *s;
                    114: 
1.1.1.3   root      115:     s = g_malloc0(sizeof(QEMUPutLEDEntry));
1.1       root      116: 
                    117:     s->put_led = func;
                    118:     s->opaque = opaque;
                    119:     QTAILQ_INSERT_TAIL(&led_handlers, s, next);
                    120:     return s;
                    121: }
                    122: 
                    123: void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
                    124: {
                    125:     if (entry == NULL)
                    126:         return;
                    127:     QTAILQ_REMOVE(&led_handlers, entry, next);
1.1.1.3   root      128:     g_free(entry);
1.1       root      129: }
                    130: 
                    131: void kbd_put_keycode(int keycode)
                    132: {
1.1.1.4 ! root      133:     if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
        !           134:         return;
        !           135:     }
1.1       root      136:     if (qemu_put_kbd_event) {
                    137:         qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
                    138:     }
                    139: }
                    140: 
                    141: void kbd_put_ledstate(int ledstate)
                    142: {
                    143:     QEMUPutLEDEntry *cursor;
                    144: 
                    145:     QTAILQ_FOREACH(cursor, &led_handlers, next) {
                    146:         cursor->put_led(cursor->opaque, ledstate);
                    147:     }
                    148: }
                    149: 
                    150: void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
                    151: {
                    152:     QEMUPutMouseEntry *entry;
                    153:     QEMUPutMouseEvent *mouse_event;
                    154:     void *mouse_event_opaque;
1.1.1.2   root      155:     int width, height;
1.1       root      156: 
1.1.1.4 ! root      157:     if (!runstate_is_running() && !runstate_check(RUN_STATE_SUSPENDED)) {
        !           158:         return;
        !           159:     }
1.1       root      160:     if (QTAILQ_EMPTY(&mouse_handlers)) {
                    161:         return;
                    162:     }
                    163: 
                    164:     entry = QTAILQ_FIRST(&mouse_handlers);
                    165: 
                    166:     mouse_event = entry->qemu_put_mouse_event;
                    167:     mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
                    168: 
                    169:     if (mouse_event) {
1.1.1.2   root      170:         if (entry->qemu_put_mouse_event_absolute) {
                    171:             width = 0x7fff;
                    172:             height = 0x7fff;
                    173:         } else {
                    174:             width = graphic_width - 1;
                    175:             height = graphic_height - 1;
                    176:         }
                    177: 
                    178:         switch (graphic_rotate) {
                    179:         case 0:
                    180:             mouse_event(mouse_event_opaque,
                    181:                         dx, dy, dz, buttons_state);
                    182:             break;
                    183:         case 90:
1.1       root      184:             mouse_event(mouse_event_opaque,
                    185:                         width - dy, dx, dz, buttons_state);
1.1.1.2   root      186:             break;
                    187:         case 180:
1.1       root      188:             mouse_event(mouse_event_opaque,
1.1.1.2   root      189:                         width - dx, height - dy, dz, buttons_state);
                    190:             break;
                    191:         case 270:
                    192:             mouse_event(mouse_event_opaque,
                    193:                         dy, height - dx, dz, buttons_state);
                    194:             break;
                    195:         }
1.1       root      196:     }
                    197: }
                    198: 
                    199: int kbd_mouse_is_absolute(void)
                    200: {
                    201:     if (QTAILQ_EMPTY(&mouse_handlers)) {
                    202:         return 0;
                    203:     }
                    204: 
                    205:     return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute;
                    206: }
                    207: 
                    208: int kbd_mouse_has_absolute(void)
                    209: {
                    210:     QEMUPutMouseEntry *entry;
                    211: 
                    212:     QTAILQ_FOREACH(entry, &mouse_handlers, node) {
                    213:         if (entry->qemu_put_mouse_event_absolute) {
                    214:             return 1;
                    215:         }
                    216:     }
                    217: 
                    218:     return 0;
                    219: }
                    220: 
1.1.1.3   root      221: MouseInfoList *qmp_query_mice(Error **errp)
1.1       root      222: {
1.1.1.3   root      223:     MouseInfoList *mice_list = NULL;
1.1       root      224:     QEMUPutMouseEntry *cursor;
1.1.1.3   root      225:     bool current = true;
1.1       root      226: 
1.1.1.3   root      227:     QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
                    228:         MouseInfoList *info = g_malloc0(sizeof(*info));
                    229:         info->value = g_malloc0(sizeof(*info->value));
                    230:         info->value->name = g_strdup(cursor->qemu_put_mouse_event_name);
                    231:         info->value->index = cursor->index;
                    232:         info->value->absolute = !!cursor->qemu_put_mouse_event_absolute;
                    233:         info->value->current = current;
1.1       root      234: 
1.1.1.3   root      235:         current = false;
1.1       root      236: 
1.1.1.3   root      237:         info->next = mice_list;
                    238:         mice_list = info;
1.1       root      239:     }
                    240: 
1.1.1.3   root      241:     return mice_list;
1.1       root      242: }
                    243: 
                    244: void do_mouse_set(Monitor *mon, const QDict *qdict)
                    245: {
                    246:     QEMUPutMouseEntry *cursor;
                    247:     int index = qdict_get_int(qdict, "index");
                    248:     int found = 0;
                    249: 
                    250:     if (QTAILQ_EMPTY(&mouse_handlers)) {
                    251:         monitor_printf(mon, "No mouse devices connected\n");
                    252:         return;
                    253:     }
                    254: 
                    255:     QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
                    256:         if (cursor->index == index) {
                    257:             found = 1;
                    258:             qemu_activate_mouse_event_handler(cursor);
                    259:             break;
                    260:         }
                    261:     }
                    262: 
                    263:     if (!found) {
                    264:         monitor_printf(mon, "Mouse at given index not found\n");
                    265:     }
                    266: 
                    267:     check_mode_change();
                    268: }
                    269: 
                    270: void qemu_add_mouse_mode_change_notifier(Notifier *notify)
                    271: {
                    272:     notifier_list_add(&mouse_mode_notifiers, notify);
                    273: }
                    274: 
                    275: void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
                    276: {
1.1.1.4 ! root      277:     notifier_remove(notify);
1.1       root      278: }

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