diff options
Diffstat (limited to 'qemu/ui/input-linux.c')
| -rw-r--r-- | qemu/ui/input-linux.c | 507 |
1 files changed, 0 insertions, 507 deletions
diff --git a/qemu/ui/input-linux.c b/qemu/ui/input-linux.c deleted file mode 100644 index 1d33b5c12..000000000 --- a/qemu/ui/input-linux.c +++ /dev/null @@ -1,507 +0,0 @@ -/* - * This work is licensed under the terms of the GNU GPL, version 2 or - * (at your option) any later version. See the COPYING file in the - * top-level directory. - */ - -#include "qemu/osdep.h" -#include "qapi/error.h" -#include "qemu-common.h" -#include "qemu/config-file.h" -#include "qemu/sockets.h" -#include "sysemu/sysemu.h" -#include "ui/input.h" -#include "qom/object_interfaces.h" - -#include <sys/ioctl.h> -#include "standard-headers/linux/input.h" - -static int linux_to_qcode[KEY_CNT] = { - [KEY_ESC] = Q_KEY_CODE_ESC, - [KEY_1] = Q_KEY_CODE_1, - [KEY_2] = Q_KEY_CODE_2, - [KEY_3] = Q_KEY_CODE_3, - [KEY_4] = Q_KEY_CODE_4, - [KEY_5] = Q_KEY_CODE_5, - [KEY_6] = Q_KEY_CODE_6, - [KEY_7] = Q_KEY_CODE_7, - [KEY_8] = Q_KEY_CODE_8, - [KEY_9] = Q_KEY_CODE_9, - [KEY_0] = Q_KEY_CODE_0, - [KEY_MINUS] = Q_KEY_CODE_MINUS, - [KEY_EQUAL] = Q_KEY_CODE_EQUAL, - [KEY_BACKSPACE] = Q_KEY_CODE_BACKSPACE, - [KEY_TAB] = Q_KEY_CODE_TAB, - [KEY_Q] = Q_KEY_CODE_Q, - [KEY_W] = Q_KEY_CODE_W, - [KEY_E] = Q_KEY_CODE_E, - [KEY_R] = Q_KEY_CODE_R, - [KEY_T] = Q_KEY_CODE_T, - [KEY_Y] = Q_KEY_CODE_Y, - [KEY_U] = Q_KEY_CODE_U, - [KEY_I] = Q_KEY_CODE_I, - [KEY_O] = Q_KEY_CODE_O, - [KEY_P] = Q_KEY_CODE_P, - [KEY_LEFTBRACE] = Q_KEY_CODE_BRACKET_LEFT, - [KEY_RIGHTBRACE] = Q_KEY_CODE_BRACKET_RIGHT, - [KEY_ENTER] = Q_KEY_CODE_RET, - [KEY_LEFTCTRL] = Q_KEY_CODE_CTRL, - [KEY_A] = Q_KEY_CODE_A, - [KEY_S] = Q_KEY_CODE_S, - [KEY_D] = Q_KEY_CODE_D, - [KEY_F] = Q_KEY_CODE_F, - [KEY_G] = Q_KEY_CODE_G, - [KEY_H] = Q_KEY_CODE_H, - [KEY_J] = Q_KEY_CODE_J, - [KEY_K] = Q_KEY_CODE_K, - [KEY_L] = Q_KEY_CODE_L, - [KEY_SEMICOLON] = Q_KEY_CODE_SEMICOLON, - [KEY_APOSTROPHE] = Q_KEY_CODE_APOSTROPHE, - [KEY_GRAVE] = Q_KEY_CODE_GRAVE_ACCENT, - [KEY_LEFTSHIFT] = Q_KEY_CODE_SHIFT, - [KEY_BACKSLASH] = Q_KEY_CODE_BACKSLASH, - [KEY_102ND] = Q_KEY_CODE_LESS, - [KEY_Z] = Q_KEY_CODE_Z, - [KEY_X] = Q_KEY_CODE_X, - [KEY_C] = Q_KEY_CODE_C, - [KEY_V] = Q_KEY_CODE_V, - [KEY_B] = Q_KEY_CODE_B, - [KEY_N] = Q_KEY_CODE_N, - [KEY_M] = Q_KEY_CODE_M, - [KEY_COMMA] = Q_KEY_CODE_COMMA, - [KEY_DOT] = Q_KEY_CODE_DOT, - [KEY_SLASH] = Q_KEY_CODE_SLASH, - [KEY_RIGHTSHIFT] = Q_KEY_CODE_SHIFT_R, - [KEY_LEFTALT] = Q_KEY_CODE_ALT, - [KEY_SPACE] = Q_KEY_CODE_SPC, - [KEY_CAPSLOCK] = Q_KEY_CODE_CAPS_LOCK, - [KEY_F1] = Q_KEY_CODE_F1, - [KEY_F2] = Q_KEY_CODE_F2, - [KEY_F3] = Q_KEY_CODE_F3, - [KEY_F4] = Q_KEY_CODE_F4, - [KEY_F5] = Q_KEY_CODE_F5, - [KEY_F6] = Q_KEY_CODE_F6, - [KEY_F7] = Q_KEY_CODE_F7, - [KEY_F8] = Q_KEY_CODE_F8, - [KEY_F9] = Q_KEY_CODE_F9, - [KEY_F10] = Q_KEY_CODE_F10, - [KEY_NUMLOCK] = Q_KEY_CODE_NUM_LOCK, - [KEY_SCROLLLOCK] = Q_KEY_CODE_SCROLL_LOCK, - [KEY_KP0] = Q_KEY_CODE_KP_0, - [KEY_KP1] = Q_KEY_CODE_KP_1, - [KEY_KP2] = Q_KEY_CODE_KP_2, - [KEY_KP3] = Q_KEY_CODE_KP_3, - [KEY_KP4] = Q_KEY_CODE_KP_4, - [KEY_KP5] = Q_KEY_CODE_KP_5, - [KEY_KP6] = Q_KEY_CODE_KP_6, - [KEY_KP7] = Q_KEY_CODE_KP_7, - [KEY_KP8] = Q_KEY_CODE_KP_8, - [KEY_KP9] = Q_KEY_CODE_KP_9, - [KEY_KPMINUS] = Q_KEY_CODE_KP_SUBTRACT, - [KEY_KPPLUS] = Q_KEY_CODE_KP_ADD, - [KEY_KPDOT] = Q_KEY_CODE_KP_DECIMAL, - [KEY_KPENTER] = Q_KEY_CODE_KP_ENTER, - [KEY_KPSLASH] = Q_KEY_CODE_KP_DIVIDE, - [KEY_KPASTERISK] = Q_KEY_CODE_KP_MULTIPLY, - [KEY_F11] = Q_KEY_CODE_F11, - [KEY_F12] = Q_KEY_CODE_F12, - [KEY_RIGHTCTRL] = Q_KEY_CODE_CTRL_R, - [KEY_SYSRQ] = Q_KEY_CODE_SYSRQ, - [KEY_RIGHTALT] = Q_KEY_CODE_ALT_R, - [KEY_HOME] = Q_KEY_CODE_HOME, - [KEY_UP] = Q_KEY_CODE_UP, - [KEY_PAGEUP] = Q_KEY_CODE_PGUP, - [KEY_LEFT] = Q_KEY_CODE_LEFT, - [KEY_RIGHT] = Q_KEY_CODE_RIGHT, - [KEY_END] = Q_KEY_CODE_END, - [KEY_DOWN] = Q_KEY_CODE_DOWN, - [KEY_PAGEDOWN] = Q_KEY_CODE_PGDN, - [KEY_INSERT] = Q_KEY_CODE_INSERT, - [KEY_DELETE] = Q_KEY_CODE_DELETE, - [KEY_LEFTMETA] = Q_KEY_CODE_META_L, - [KEY_RIGHTMETA] = Q_KEY_CODE_META_R, - [KEY_MENU] = Q_KEY_CODE_MENU, -}; - -static int qemu_input_linux_to_qcode(unsigned int lnx) -{ - assert(lnx < KEY_CNT); - return linux_to_qcode[lnx]; -} - -#define TYPE_INPUT_LINUX "input-linux" -#define INPUT_LINUX(obj) \ - OBJECT_CHECK(InputLinux, (obj), TYPE_INPUT_LINUX) -#define INPUT_LINUX_GET_CLASS(obj) \ - OBJECT_GET_CLASS(InputLinuxClass, (obj), TYPE_INPUT_LINUX) -#define INPUT_LINUX_CLASS(klass) \ - OBJECT_CLASS_CHECK(InputLinuxClass, (klass), TYPE_INPUT_LINUX) - -typedef struct InputLinux InputLinux; -typedef struct InputLinuxClass InputLinuxClass; - -struct InputLinux { - Object parent; - - char *evdev; - int fd; - bool repeat; - bool grab_request; - bool grab_active; - bool grab_all; - bool keydown[KEY_CNT]; - int keycount; - int wheel; - bool initialized; - QTAILQ_ENTRY(InputLinux) next; -}; - -struct InputLinuxClass { - ObjectClass parent_class; -}; - -static QTAILQ_HEAD(, InputLinux) inputs = QTAILQ_HEAD_INITIALIZER(inputs); - -static void input_linux_toggle_grab(InputLinux *il) -{ - intptr_t request = !il->grab_active; - InputLinux *item; - int rc; - - rc = ioctl(il->fd, EVIOCGRAB, request); - if (rc < 0) { - return; - } - il->grab_active = !il->grab_active; - - if (!il->grab_all) { - return; - } - QTAILQ_FOREACH(item, &inputs, next) { - if (item == il || item->grab_all) { - /* avoid endless loops */ - continue; - } - if (item->grab_active != il->grab_active) { - input_linux_toggle_grab(item); - } - } -} - -static void input_linux_event_keyboard(void *opaque) -{ - InputLinux *il = opaque; - struct input_event event; - int rc; - - for (;;) { - rc = read(il->fd, &event, sizeof(event)); - if (rc != sizeof(event)) { - if (rc < 0 && errno != EAGAIN) { - fprintf(stderr, "%s: read: %s\n", __func__, strerror(errno)); - qemu_set_fd_handler(il->fd, NULL, NULL, NULL); - close(il->fd); - } - break; - } - - switch (event.type) { - case EV_KEY: - if (event.value > 2 || (event.value > 1 && !il->repeat)) { - /* - * ignore autorepeat + unknown key events - * 0 == up, 1 == down, 2 == autorepeat, other == undefined - */ - continue; - } - if (event.code >= KEY_CNT) { - /* - * Should not happen. But better safe than sorry, - * and we make Coverity happy too. - */ - continue; - } - /* keep track of key state */ - if (!il->keydown[event.code] && event.value) { - il->keydown[event.code] = true; - il->keycount++; - } - if (il->keydown[event.code] && !event.value) { - il->keydown[event.code] = false; - il->keycount--; - } - - /* send event to guest when grab is active */ - if (il->grab_active) { - int qcode = qemu_input_linux_to_qcode(event.code); - qemu_input_event_send_key_qcode(NULL, qcode, event.value); - } - - /* hotkey -> record switch request ... */ - if (il->keydown[KEY_LEFTCTRL] && - il->keydown[KEY_RIGHTCTRL]) { - il->grab_request = true; - } - - /* - * ... and do the switch when all keys are lifted, so we - * confuse neither guest nor host with keys which seem to - * be stuck due to missing key-up events. - */ - if (il->grab_request && !il->keycount) { - il->grab_request = false; - input_linux_toggle_grab(il); - } - break; - } - } -} - -static void input_linux_event_mouse_button(int button) -{ - qemu_input_queue_btn(NULL, button, true); - qemu_input_event_sync(); - qemu_input_queue_btn(NULL, button, false); - qemu_input_event_sync(); -} - -static void input_linux_event_mouse(void *opaque) -{ - InputLinux *il = opaque; - struct input_event event; - int rc; - - for (;;) { - rc = read(il->fd, &event, sizeof(event)); - if (rc != sizeof(event)) { - if (rc < 0 && errno != EAGAIN) { - fprintf(stderr, "%s: read: %s\n", __func__, strerror(errno)); - qemu_set_fd_handler(il->fd, NULL, NULL, NULL); - close(il->fd); - } - break; - } - - /* only send event to guest when grab is active */ - if (!il->grab_active) { - continue; - } - - switch (event.type) { - case EV_KEY: - switch (event.code) { - case BTN_LEFT: - qemu_input_queue_btn(NULL, INPUT_BUTTON_LEFT, event.value); - break; - case BTN_RIGHT: - qemu_input_queue_btn(NULL, INPUT_BUTTON_RIGHT, event.value); - break; - case BTN_MIDDLE: - qemu_input_queue_btn(NULL, INPUT_BUTTON_MIDDLE, event.value); - break; - case BTN_GEAR_UP: - qemu_input_queue_btn(NULL, INPUT_BUTTON_WHEEL_UP, event.value); - break; - case BTN_GEAR_DOWN: - qemu_input_queue_btn(NULL, INPUT_BUTTON_WHEEL_DOWN, - event.value); - break; - }; - break; - case EV_REL: - switch (event.code) { - case REL_X: - qemu_input_queue_rel(NULL, INPUT_AXIS_X, event.value); - break; - case REL_Y: - qemu_input_queue_rel(NULL, INPUT_AXIS_Y, event.value); - break; - case REL_WHEEL: - il->wheel = event.value; - break; - } - break; - case EV_SYN: - qemu_input_event_sync(); - if (il->wheel != 0) { - input_linux_event_mouse_button((il->wheel > 0) - ? INPUT_BUTTON_WHEEL_UP - : INPUT_BUTTON_WHEEL_DOWN); - il->wheel = 0; - } - break; - } - } -} - -static void input_linux_complete(UserCreatable *uc, Error **errp) -{ - InputLinux *il = INPUT_LINUX(uc); - uint32_t evtmap, relmap, absmap; - int rc, ver; - - if (!il->evdev) { - error_setg(errp, "no input device specified"); - return; - } - - il->fd = open(il->evdev, O_RDWR); - if (il->fd < 0) { - error_setg_file_open(errp, errno, il->evdev); - return; - } - qemu_set_nonblock(il->fd); - - rc = ioctl(il->fd, EVIOCGVERSION, &ver); - if (rc < 0) { - error_setg(errp, "%s: is not an evdev device", il->evdev); - goto err_close; - } - - rc = ioctl(il->fd, EVIOCGBIT(0, sizeof(evtmap)), &evtmap); - if (rc < 0) { - error_setg(errp, "%s: failed to read event bits", il->evdev); - goto err_close; - } - - if (evtmap & (1 << EV_REL)) { - rc = ioctl(il->fd, EVIOCGBIT(EV_REL, sizeof(relmap)), &relmap); - if (rc < 0) { - relmap = 0; - } - } - - if (evtmap & (1 << EV_ABS)) { - ioctl(il->fd, EVIOCGBIT(EV_ABS, sizeof(absmap)), &absmap); - if (rc < 0) { - absmap = 0; - } - } - - if ((evtmap & (1 << EV_REL)) && - (relmap & (1 << REL_X))) { - /* has relative x axis -> assume mouse */ - qemu_set_fd_handler(il->fd, input_linux_event_mouse, NULL, il); - } else if ((evtmap & (1 << EV_ABS)) && - (absmap & (1 << ABS_X))) { - /* has absolute x axis -> not supported */ - error_setg(errp, "tablet/touchscreen not supported"); - goto err_close; - } else if (evtmap & (1 << EV_KEY)) { - /* has keys/buttons (and no x axis) -> assume keyboard */ - qemu_set_fd_handler(il->fd, input_linux_event_keyboard, NULL, il); - } else { - /* Huh? What is this? */ - error_setg(errp, "unknown kind of input device"); - goto err_close; - } - input_linux_toggle_grab(il); - QTAILQ_INSERT_TAIL(&inputs, il, next); - il->initialized = true; - return; - -err_close: - close(il->fd); - return; -} - -static void input_linux_instance_finalize(Object *obj) -{ - InputLinux *il = INPUT_LINUX(obj); - - if (il->initialized) { - QTAILQ_REMOVE(&inputs, il, next); - close(il->fd); - } - g_free(il->evdev); -} - -static char *input_linux_get_evdev(Object *obj, Error **errp) -{ - InputLinux *il = INPUT_LINUX(obj); - - return g_strdup(il->evdev); -} - -static void input_linux_set_evdev(Object *obj, const char *value, - Error **errp) -{ - InputLinux *il = INPUT_LINUX(obj); - - if (il->evdev) { - error_setg(errp, "evdev property already set"); - return; - } - il->evdev = g_strdup(value); -} - -static bool input_linux_get_grab_all(Object *obj, Error **errp) -{ - InputLinux *il = INPUT_LINUX(obj); - - return il->grab_all; -} - -static void input_linux_set_grab_all(Object *obj, bool value, - Error **errp) -{ - InputLinux *il = INPUT_LINUX(obj); - - il->grab_all = value; -} - -static bool input_linux_get_repeat(Object *obj, Error **errp) -{ - InputLinux *il = INPUT_LINUX(obj); - - return il->repeat; -} - -static void input_linux_set_repeat(Object *obj, bool value, - Error **errp) -{ - InputLinux *il = INPUT_LINUX(obj); - - il->repeat = value; -} - -static void input_linux_instance_init(Object *obj) -{ - object_property_add_str(obj, "evdev", - input_linux_get_evdev, - input_linux_set_evdev, NULL); - object_property_add_bool(obj, "grab_all", - input_linux_get_grab_all, - input_linux_set_grab_all, NULL); - object_property_add_bool(obj, "repeat", - input_linux_get_repeat, - input_linux_set_repeat, NULL); -} - -static void input_linux_class_init(ObjectClass *oc, void *data) -{ - UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc); - - ucc->complete = input_linux_complete; -} - -static const TypeInfo input_linux_info = { - .name = TYPE_INPUT_LINUX, - .parent = TYPE_OBJECT, - .class_size = sizeof(InputLinuxClass), - .class_init = input_linux_class_init, - .instance_size = sizeof(InputLinux), - .instance_init = input_linux_instance_init, - .instance_finalize = input_linux_instance_finalize, - .interfaces = (InterfaceInfo[]) { - { TYPE_USER_CREATABLE }, - { } - } -}; - -static void register_types(void) -{ - type_register_static(&input_linux_info); -} - -type_init(register_types); |