File:  [Qemu by Fabrice Bellard] / qemu / input.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 18:23:13 2018 UTC (3 years, 1 month ago) by root
Branches: qemu, MAIN
CVS tags: qemu0150, qemu0141, qemu0140, qemu0130, HEAD
qemu 0.13.0

    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"
   29: #include "qjson.h"
   30: 
   31: static QEMUPutKBDEvent *qemu_put_kbd_event;
   32: static void *qemu_put_kbd_event_opaque;
   33: static QTAILQ_HEAD(, QEMUPutLEDEntry) led_handlers = QTAILQ_HEAD_INITIALIZER(led_handlers);
   34: static QTAILQ_HEAD(, QEMUPutMouseEntry) mouse_handlers =
   35:     QTAILQ_HEAD_INITIALIZER(mouse_handlers);
   36: static NotifierList mouse_mode_notifiers = 
   37:     NOTIFIER_LIST_INITIALIZER(mouse_mode_notifiers);
   38: 
   39: void qemu_add_kbd_event_handler(QEMUPutKBDEvent *func, void *opaque)
   40: {
   41:     qemu_put_kbd_event_opaque = opaque;
   42:     qemu_put_kbd_event = func;
   43: }
   44: 
   45: void qemu_remove_kbd_event_handler(void)
   46: {
   47:     qemu_put_kbd_event_opaque = NULL;
   48:     qemu_put_kbd_event = NULL;
   49: }
   50: 
   51: static void check_mode_change(void)
   52: {
   53:     static int current_is_absolute, current_has_absolute;
   54:     int is_absolute;
   55:     int has_absolute;
   56: 
   57:     is_absolute = kbd_mouse_is_absolute();
   58:     has_absolute = kbd_mouse_has_absolute();
   59: 
   60:     if (is_absolute != current_is_absolute ||
   61:         has_absolute != current_has_absolute) {
   62:         notifier_list_notify(&mouse_mode_notifiers);
   63:     }
   64: 
   65:     current_is_absolute = is_absolute;
   66:     current_has_absolute = has_absolute;
   67: }
   68: 
   69: QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
   70:                                                 void *opaque, int absolute,
   71:                                                 const char *name)
   72: {
   73:     QEMUPutMouseEntry *s;
   74:     static int mouse_index = 0;
   75: 
   76:     s = qemu_mallocz(sizeof(QEMUPutMouseEntry));
   77: 
   78:     s->qemu_put_mouse_event = func;
   79:     s->qemu_put_mouse_event_opaque = opaque;
   80:     s->qemu_put_mouse_event_absolute = absolute;
   81:     s->qemu_put_mouse_event_name = qemu_strdup(name);
   82:     s->index = mouse_index++;
   83: 
   84:     QTAILQ_INSERT_TAIL(&mouse_handlers, s, node);
   85: 
   86:     check_mode_change();
   87: 
   88:     return s;
   89: }
   90: 
   91: void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry)
   92: {
   93:     QTAILQ_REMOVE(&mouse_handlers, entry, node);
   94:     QTAILQ_INSERT_HEAD(&mouse_handlers, entry, node);
   95: 
   96:     check_mode_change();
   97: }
   98: 
   99: void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry)
  100: {
  101:     QTAILQ_REMOVE(&mouse_handlers, entry, node);
  102: 
  103:     qemu_free(entry->qemu_put_mouse_event_name);
  104:     qemu_free(entry);
  105: 
  106:     check_mode_change();
  107: }
  108: 
  109: QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
  110:                                             void *opaque)
  111: {
  112:     QEMUPutLEDEntry *s;
  113: 
  114:     s = qemu_mallocz(sizeof(QEMUPutLEDEntry));
  115: 
  116:     s->put_led = func;
  117:     s->opaque = opaque;
  118:     QTAILQ_INSERT_TAIL(&led_handlers, s, next);
  119:     return s;
  120: }
  121: 
  122: void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry)
  123: {
  124:     if (entry == NULL)
  125:         return;
  126:     QTAILQ_REMOVE(&led_handlers, entry, next);
  127:     qemu_free(entry);
  128: }
  129: 
  130: void kbd_put_keycode(int keycode)
  131: {
  132:     if (qemu_put_kbd_event) {
  133:         qemu_put_kbd_event(qemu_put_kbd_event_opaque, keycode);
  134:     }
  135: }
  136: 
  137: void kbd_put_ledstate(int ledstate)
  138: {
  139:     QEMUPutLEDEntry *cursor;
  140: 
  141:     QTAILQ_FOREACH(cursor, &led_handlers, next) {
  142:         cursor->put_led(cursor->opaque, ledstate);
  143:     }
  144: }
  145: 
  146: void kbd_mouse_event(int dx, int dy, int dz, int buttons_state)
  147: {
  148:     QEMUPutMouseEntry *entry;
  149:     QEMUPutMouseEvent *mouse_event;
  150:     void *mouse_event_opaque;
  151:     int width;
  152: 
  153:     if (QTAILQ_EMPTY(&mouse_handlers)) {
  154:         return;
  155:     }
  156: 
  157:     entry = QTAILQ_FIRST(&mouse_handlers);
  158: 
  159:     mouse_event = entry->qemu_put_mouse_event;
  160:     mouse_event_opaque = entry->qemu_put_mouse_event_opaque;
  161: 
  162:     if (mouse_event) {
  163:         if (graphic_rotate) {
  164:             if (entry->qemu_put_mouse_event_absolute)
  165:                 width = 0x7fff;
  166:             else
  167:                 width = graphic_width - 1;
  168:             mouse_event(mouse_event_opaque,
  169:                         width - dy, dx, dz, buttons_state);
  170:         } else
  171:             mouse_event(mouse_event_opaque,
  172:                         dx, dy, dz, buttons_state);
  173:     }
  174: }
  175: 
  176: int kbd_mouse_is_absolute(void)
  177: {
  178:     if (QTAILQ_EMPTY(&mouse_handlers)) {
  179:         return 0;
  180:     }
  181: 
  182:     return QTAILQ_FIRST(&mouse_handlers)->qemu_put_mouse_event_absolute;
  183: }
  184: 
  185: int kbd_mouse_has_absolute(void)
  186: {
  187:     QEMUPutMouseEntry *entry;
  188: 
  189:     QTAILQ_FOREACH(entry, &mouse_handlers, node) {
  190:         if (entry->qemu_put_mouse_event_absolute) {
  191:             return 1;
  192:         }
  193:     }
  194: 
  195:     return 0;
  196: }
  197: 
  198: static void info_mice_iter(QObject *data, void *opaque)
  199: {
  200:     QDict *mouse;
  201:     Monitor *mon = opaque;
  202: 
  203:     mouse = qobject_to_qdict(data);
  204:     monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
  205:                   (qdict_get_bool(mouse, "current") ? '*' : ' '),
  206:                    qdict_get_int(mouse, "index"), qdict_get_str(mouse, "name"),
  207:                    qdict_get_bool(mouse, "absolute") ? " (absolute)" : "");
  208: }
  209: 
  210: void do_info_mice_print(Monitor *mon, const QObject *data)
  211: {
  212:     QList *mice_list;
  213: 
  214:     mice_list = qobject_to_qlist(data);
  215:     if (qlist_empty(mice_list)) {
  216:         monitor_printf(mon, "No mouse devices connected\n");
  217:         return;
  218:     }
  219: 
  220:     qlist_iter(mice_list, info_mice_iter, mon);
  221: }
  222: 
  223: void do_info_mice(Monitor *mon, QObject **ret_data)
  224: {
  225:     QEMUPutMouseEntry *cursor;
  226:     QList *mice_list;
  227:     int current;
  228: 
  229:     mice_list = qlist_new();
  230: 
  231:     if (QTAILQ_EMPTY(&mouse_handlers)) {
  232:         goto out;
  233:     }
  234: 
  235:     current = QTAILQ_FIRST(&mouse_handlers)->index;
  236: 
  237:     QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
  238:         QObject *obj;
  239:         obj = qobject_from_jsonf("{ 'name': %s,"
  240:                                  "  'index': %d,"
  241:                                  "  'current': %i,"
  242:                                  "  'absolute': %i }",
  243:                                  cursor->qemu_put_mouse_event_name,
  244:                                  cursor->index,
  245:                                  cursor->index == current,
  246:                                  !!cursor->qemu_put_mouse_event_absolute);
  247:         qlist_append_obj(mice_list, obj);
  248:     }
  249: 
  250: out:
  251:     *ret_data = QOBJECT(mice_list);
  252: }
  253: 
  254: void do_mouse_set(Monitor *mon, const QDict *qdict)
  255: {
  256:     QEMUPutMouseEntry *cursor;
  257:     int index = qdict_get_int(qdict, "index");
  258:     int found = 0;
  259: 
  260:     if (QTAILQ_EMPTY(&mouse_handlers)) {
  261:         monitor_printf(mon, "No mouse devices connected\n");
  262:         return;
  263:     }
  264: 
  265:     QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
  266:         if (cursor->index == index) {
  267:             found = 1;
  268:             qemu_activate_mouse_event_handler(cursor);
  269:             break;
  270:         }
  271:     }
  272: 
  273:     if (!found) {
  274:         monitor_printf(mon, "Mouse at given index not found\n");
  275:     }
  276: 
  277:     check_mode_change();
  278: }
  279: 
  280: void qemu_add_mouse_mode_change_notifier(Notifier *notify)
  281: {
  282:     notifier_list_add(&mouse_mode_notifiers, notify);
  283: }
  284: 
  285: void qemu_remove_mouse_mode_change_notifier(Notifier *notify)
  286: {
  287:     notifier_list_remove(&mouse_mode_notifiers, notify);
  288: }

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