input.c - qemu - Git at Google

 /*
  * 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 "net.h"
 #include "monitor.h"
 #include "console.h"
 #include "qjson.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);

 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 = qemu_mallocz(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 = qemu_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);

     qemu_free(entry->qemu_put_mouse_event_name);
     qemu_free(entry);

     check_mode_change();
 }

 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func,
                                             void *opaque)
 {
     QEMUPutLEDEntry *s;

     s = qemu_mallocz(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);
     qemu_free(entry);
 }

 void kbd_put_keycode(int keycode)
 {
     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 (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;
 }

 static void info_mice_iter(QObject *data, void *opaque)
 {
     QDict *mouse;
     Monitor *mon = opaque;

     mouse = qobject_to_qdict(data);
     monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
                   (qdict_get_bool(mouse, "current") ? '*' : ' '),
                    qdict_get_int(mouse, "index"), qdict_get_str(mouse, "name"),
                    qdict_get_bool(mouse, "absolute") ? " (absolute)" : "");
 }

 void do_info_mice_print(Monitor *mon, const QObject *data)
 {
     QList *mice_list;

     mice_list = qobject_to_qlist(data);
     if (qlist_empty(mice_list)) {
         monitor_printf(mon, "No mouse devices connected\n");
         return;
     }

     qlist_iter(mice_list, info_mice_iter, mon);
 }

 void do_info_mice(Monitor *mon, QObject **ret_data)
 {
     QEMUPutMouseEntry *cursor;
     QList *mice_list;
     int current;

     mice_list = qlist_new();

     if (QTAILQ_EMPTY(&mouse_handlers)) {
         goto out;
     }

     current = QTAILQ_FIRST(&mouse_handlers)->index;

     QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
         QObject *obj;
         obj = qobject_from_jsonf("{ 'name': %s,"
                                  "  'index': %d,"
                                  "  'current': %i,"
                                  "  'absolute': %i }",
                                  cursor->qemu_put_mouse_event_name,
                                  cursor->index,
                                  cursor->index == current,
                                  !!cursor->qemu_put_mouse_event_absolute);
         qlist_append_obj(mice_list, obj);
     }

 out:
     *ret_data = QOBJECT(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_list_remove(&mouse_mode_notifiers, notify);
 }
	/*
	* 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 "net.h"
	#include "monitor.h"
	#include "console.h"
	#include "qjson.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);

	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 = qemu_mallocz(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 = qemu_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);

	qemu_free(entry->qemu_put_mouse_event_name);
	qemu_free(entry);

	check_mode_change();
	}

	QEMUPutLEDEntry qemu_add_led_event_handler(QEMUPutLEDEvent func,
	void *opaque)
	{
	QEMUPutLEDEntry *s;

	s = qemu_mallocz(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);
	qemu_free(entry);
	}

	void kbd_put_keycode(int keycode)
	{
	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 (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;
	}

	static void info_mice_iter(QObject data, void opaque)
	{
	QDict *mouse;
	Monitor *mon = opaque;

	mouse = qobject_to_qdict(data);
	monitor_printf(mon, "%c Mouse #%" PRId64 ": %s%s\n",
	(qdict_get_bool(mouse, "current") ? '*' : ' '),
	qdict_get_int(mouse, "index"), qdict_get_str(mouse, "name"),
	qdict_get_bool(mouse, "absolute") ? " (absolute)" : "");
	}

	void do_info_mice_print(Monitor mon, const QObject data)
	{
	QList *mice_list;

	mice_list = qobject_to_qlist(data);
	if (qlist_empty(mice_list)) {
	monitor_printf(mon, "No mouse devices connected\n");
	return;
	}

	qlist_iter(mice_list, info_mice_iter, mon);
	}

	void do_info_mice(Monitor mon, QObject *ret_data)
	{
	QEMUPutMouseEntry *cursor;
	QList *mice_list;
	int current;

	mice_list = qlist_new();

	if (QTAILQ_EMPTY(&mouse_handlers)) {
	goto out;
	}

	current = QTAILQ_FIRST(&mouse_handlers)->index;

	QTAILQ_FOREACH(cursor, &mouse_handlers, node) {
	QObject *obj;
	obj = qobject_from_jsonf("{ 'name': %s,"
	" 'index': %d,"
	" 'current': %i,"
	" 'absolute': %i }",
	cursor->qemu_put_mouse_event_name,
	cursor->index,
	cursor->index == current,
	!!cursor->qemu_put_mouse_event_absolute);
	qlist_append_obj(mice_list, obj);
	}

	out:
	*ret_data = QOBJECT(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_list_remove(&mouse_mode_notifiers, notify);
	}