490 lines
13 KiB
C
490 lines
13 KiB
C
#define E_COMP_WL
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#include "e.h"
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#include <sys/mman.h>
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static void
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_e_comp_wl_input_update_seat_caps(E_Comp_Data *cdata)
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{
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Eina_List *l;
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struct wl_resource *res;
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enum wl_seat_capability caps = 0;
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if (cdata->ptr.enabled)
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caps |= WL_SEAT_CAPABILITY_POINTER;
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if (cdata->kbd.enabled)
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caps |= WL_SEAT_CAPABILITY_KEYBOARD;
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if (cdata->touch.enabled)
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caps |= WL_SEAT_CAPABILITY_TOUCH;
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EINA_LIST_FOREACH(cdata->seat.resources, l, res)
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wl_seat_send_capabilities(res, caps);
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}
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static void
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_e_comp_wl_input_cb_resource_destroy(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
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{
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wl_resource_destroy(resource);
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}
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static void
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_e_comp_wl_input_pointer_cb_cursor_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource EINA_UNUSED, uint32_t serial EINA_UNUSED, struct wl_resource *surface_resource EINA_UNUSED, int32_t x EINA_UNUSED, int32_t y EINA_UNUSED)
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{
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E_Comp_Data *cdata;
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/* get compositor data */
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if (!(cdata = wl_resource_get_user_data(resource))) return;
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}
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static const struct wl_pointer_interface _e_pointer_interface =
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{
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_e_comp_wl_input_pointer_cb_cursor_set,
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_e_comp_wl_input_cb_resource_destroy
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};
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static const struct wl_keyboard_interface _e_keyboard_interface =
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{
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_e_comp_wl_input_cb_resource_destroy
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};
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static void
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_e_comp_wl_input_cb_pointer_unbind(struct wl_resource *resource)
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{
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E_Comp_Data *cdata;
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/* get compositor data */
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if (!(cdata = wl_resource_get_user_data(resource))) return;
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cdata->ptr.resources = eina_list_remove(cdata->ptr.resources, resource);
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}
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static void
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_e_comp_wl_input_cb_pointer_get(struct wl_client *client, struct wl_resource *resource, uint32_t id)
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{
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E_Comp_Data *cdata;
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struct wl_resource *res;
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/* get compositor data */
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if (!(cdata = wl_resource_get_user_data(resource))) return;
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/* try to create pointer resource */
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res = wl_resource_create(client, &wl_pointer_interface,
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wl_resource_get_version(resource), id);
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if (!res)
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{
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ERR("Could not create pointer on seat %s: %m", cdata->seat.name);
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wl_client_post_no_memory(client);
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return;
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}
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cdata->ptr.resources = eina_list_append(cdata->ptr.resources, res);
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wl_resource_set_implementation(res, &_e_pointer_interface, cdata,
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_e_comp_wl_input_cb_pointer_unbind);
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}
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static void
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_e_comp_wl_input_cb_keyboard_unbind(struct wl_resource *resource)
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{
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E_Comp_Data *cdata;
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/* get compositor data */
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if (!(cdata = wl_resource_get_user_data(resource))) return;
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cdata->kbd.resources = eina_list_remove(cdata->kbd.resources, resource);
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}
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static void
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_e_comp_wl_input_cb_keyboard_get(struct wl_client *client, struct wl_resource *resource, uint32_t id)
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{
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E_Comp_Data *cdata;
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struct wl_resource *res;
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/* get compositor data */
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if (!(cdata = wl_resource_get_user_data(resource))) return;
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/* try to create keyboard resource */
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res = wl_resource_create(client, &wl_keyboard_interface,
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wl_resource_get_version(resource), id);
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if (!res)
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{
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ERR("Could not create keyboard on seat %s: %m", cdata->seat.name);
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wl_client_post_no_memory(client);
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return;
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}
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cdata->kbd.resources = eina_list_append(cdata->kbd.resources, res);
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wl_resource_set_implementation(res, &_e_keyboard_interface, cdata,
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_e_comp_wl_input_cb_keyboard_unbind);
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/* send current keymap */
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wl_keyboard_send_keymap(res, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
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cdata->xkb.fd, cdata->xkb.size);
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}
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static void
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_e_comp_wl_input_cb_touch_get(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, uint32_t id EINA_UNUSED)
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{
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E_Comp_Data *cdata;
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/* DBG("Input Touch Get"); */
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/* NB: Needs new resource !! */
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/* get compositor data */
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if (!(cdata = wl_resource_get_user_data(resource))) return;
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}
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static const struct wl_seat_interface _e_seat_interface =
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{
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_e_comp_wl_input_cb_pointer_get,
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_e_comp_wl_input_cb_keyboard_get,
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_e_comp_wl_input_cb_touch_get,
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};
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static void
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_e_comp_wl_input_cb_unbind_seat(struct wl_resource *resource)
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{
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E_Comp_Data *cdata;
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if (!(cdata = wl_resource_get_user_data(resource))) return;
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cdata->seat.resources = eina_list_remove(cdata->seat.resources, resource);
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}
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static void
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_e_comp_wl_input_cb_bind_seat(struct wl_client *client, void *data, uint32_t version, uint32_t id)
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{
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E_Comp_Data *cdata;
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struct wl_resource *res;
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/* try to create the seat resource */
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cdata = data;
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res = wl_resource_create(client, &wl_seat_interface, MIN(version, 4), id);
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if (!res)
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{
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ERR("Could not create seat resource: %m");
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return;
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}
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/* store version of seat interface for reuse in updating capabilities */
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cdata->seat.version = version;
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cdata->seat.resources = eina_list_append(cdata->seat.resources, res);
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wl_resource_set_implementation(res, &_e_seat_interface, cdata,
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_e_comp_wl_input_cb_unbind_seat);
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_e_comp_wl_input_update_seat_caps(cdata);
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if (cdata->seat.version >= WL_SEAT_NAME_SINCE_VERSION)
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wl_seat_send_name(res, cdata->seat.name);
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}
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static int
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_e_comp_wl_input_keymap_fd_get(off_t size)
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{
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int fd = 0, blen = 0, len = 0;
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const char *path;
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char tmp[PATH_MAX];
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long flags;
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blen = sizeof(tmp) - 1;
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if (!(path = getenv("XDG_RUNTIME_DIR")))
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return -1;
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len = strlen(path);
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if (len < blen)
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{
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strcpy(tmp, path);
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strcat(tmp, "/e-wl-keymap-XXXXXX");
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}
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else
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return -1;
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if ((fd = mkstemp(tmp)) < 0) return -1;
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flags = fcntl(fd, F_GETFD);
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fcntl(fd, F_SETFD, (flags | FD_CLOEXEC));
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if (ftruncate(fd, size) < 0)
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{
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close(fd);
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return -1;
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}
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unlink(tmp);
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return fd;
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}
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static void
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_e_comp_wl_input_keymap_update(E_Comp_Data *cdata, struct xkb_keymap *keymap)
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{
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char *tmp;
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xkb_mod_mask_t latched, locked;
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struct wl_resource *res;
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Eina_List *l;
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uint32_t serial;
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/* unreference any existing keymap */
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if (cdata->xkb.keymap) xkb_map_unref(cdata->xkb.keymap);
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/* unmap any existing keyboard area */
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if (cdata->xkb.area) munmap(cdata->xkb.area, cdata->xkb.size);
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if (cdata->xkb.fd >= 0) close(cdata->xkb.fd);
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/* unreference any existing keyboard state */
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if (cdata->xkb.state) xkb_state_unref(cdata->xkb.state);
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/* create a new xkb state */
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cdata->xkb.state = xkb_state_new(keymap);
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latched =
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xkb_state_serialize_mods(cdata->xkb.state, XKB_STATE_MODS_LATCHED);
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locked =
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xkb_state_serialize_mods(cdata->xkb.state, XKB_STATE_MODS_LOCKED);
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xkb_state_update_mask(cdata->xkb.state, 0, latched, locked, 0, 0, 0);
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/* increment keymap reference */
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cdata->xkb.keymap = xkb_map_ref(keymap);
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/* fetch updated modifiers */
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cdata->kbd.mod_shift = xkb_map_mod_get_index(keymap, XKB_MOD_NAME_SHIFT);
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cdata->kbd.mod_caps = xkb_map_mod_get_index(keymap, XKB_MOD_NAME_CAPS);
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cdata->kbd.mod_ctrl = xkb_map_mod_get_index(keymap, XKB_MOD_NAME_CTRL);
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cdata->kbd.mod_alt = xkb_map_mod_get_index(keymap, XKB_MOD_NAME_ALT);
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cdata->kbd.mod_super = xkb_map_mod_get_index(keymap, XKB_MOD_NAME_LOGO);
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if (!(tmp = xkb_map_get_as_string(keymap)))
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{
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ERR("Could not get keymap string");
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return;
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}
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cdata->xkb.size = strlen(tmp) + 1;
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cdata->xkb.fd = _e_comp_wl_input_keymap_fd_get(cdata->xkb.size);
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if (cdata->xkb.fd < 0)
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{
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ERR("Could not create keymap file");
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return;
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}
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cdata->xkb.area =
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mmap(NULL, cdata->xkb.size, (PROT_READ | PROT_WRITE),
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MAP_SHARED, cdata->xkb.fd, 0);
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if (cdata->xkb.area == MAP_FAILED)
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{
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ERR("Failed to mmap keymap area: %m");
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return;
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}
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strcpy(cdata->xkb.area, tmp);
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free(tmp);
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/* send updated keymap */
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EINA_LIST_FOREACH(cdata->kbd.resources, l, res)
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wl_keyboard_send_keymap(res, WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1,
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cdata->xkb.fd, cdata->xkb.size);
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/* update modifiers */
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e_comp_wl_input_keyboard_modifiers_update(cdata);
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if ((!latched) && (!locked)) return;
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/* send modifiers */
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serial = wl_display_get_serial(cdata->wl.disp);
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EINA_LIST_FOREACH(cdata->kbd.resources, l, res)
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wl_keyboard_send_modifiers(res, serial, cdata->kbd.mod_depressed,
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cdata->kbd.mod_latched, cdata->kbd.mod_locked,
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cdata->kbd.mod_group);
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}
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EINTERN Eina_Bool
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e_comp_wl_input_init(E_Comp_Data *cdata)
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{
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/* check for valid compositor data */
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if (!cdata)
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{
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ERR("No compositor data");
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return EINA_FALSE;
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}
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/* set default seat name */
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if (!cdata->seat.name) cdata->seat.name = "default";
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/* create the global resource for input seat */
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cdata->seat.global =
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wl_global_create(cdata->wl.disp, &wl_seat_interface, 4,
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cdata, _e_comp_wl_input_cb_bind_seat);
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if (!cdata->seat.global)
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{
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ERR("Could not create global for seat: %m");
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return EINA_FALSE;
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}
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wl_array_init(&cdata->kbd.keys);
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return EINA_TRUE;
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}
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EINTERN void
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e_comp_wl_input_shutdown(E_Comp_Data *cdata)
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{
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/* Eina_List *l; */
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struct wl_resource *res;
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/* check for valid compositor data */
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if (!cdata)
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{
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ERR("No compositor data");
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return;
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}
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/* destroy pointer resources */
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EINA_LIST_FREE(cdata->ptr.resources, res)
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wl_resource_destroy(res);
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/* destroy keyboard resources */
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EINA_LIST_FREE(cdata->kbd.resources, res)
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wl_resource_destroy(res);
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/* TODO: destroy touch resources */
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/* destroy cdata->kbd.keys array */
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wl_array_release(&cdata->kbd.keys);
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/* destroy the global seat resource */
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if (cdata->seat.global) wl_global_destroy(cdata->seat.global);
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cdata->seat.global = NULL;
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}
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EINTERN Eina_Bool
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e_comp_wl_input_pointer_check(struct wl_resource *res)
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{
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return wl_resource_instance_of(res, &wl_pointer_interface,
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&_e_pointer_interface);
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}
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EINTERN Eina_Bool
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e_comp_wl_input_keyboard_check(struct wl_resource *res)
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{
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return wl_resource_instance_of(res, &wl_keyboard_interface,
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&_e_keyboard_interface);
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}
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EINTERN void
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e_comp_wl_input_keyboard_modifiers_update(E_Comp_Data *cdata)
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{
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xkb_mod_mask_t depressed, latched, locked;
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xkb_layout_index_t group;
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depressed =
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xkb_state_serialize_mods(cdata->xkb.state, XKB_STATE_DEPRESSED);
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latched =
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xkb_state_serialize_mods(cdata->xkb.state, XKB_STATE_MODS_LATCHED);
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locked =
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xkb_state_serialize_mods(cdata->xkb.state, XKB_STATE_MODS_LOCKED);
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group =
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xkb_state_serialize_group(cdata->xkb.state, XKB_STATE_EFFECTIVE);
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if ((cdata->kbd.mod_depressed != depressed) ||
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(cdata->kbd.mod_latched != latched) ||
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(cdata->kbd.mod_locked != locked) ||
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(cdata->kbd.mod_group != group))
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{
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uint32_t serial;
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struct wl_resource *res;
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Eina_List *l;
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cdata->kbd.mod_depressed = depressed;
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cdata->kbd.mod_latched = latched;
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cdata->kbd.mod_locked = locked;
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cdata->kbd.mod_group = group;
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serial = wl_display_get_serial(cdata->wl.disp);
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EINA_LIST_FOREACH(cdata->kbd.resources, l, res)
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wl_keyboard_send_modifiers(res, serial,
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depressed, latched, locked, group);
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}
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}
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EINTERN void
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e_comp_wl_input_keyboard_state_update(E_Comp_Data *cdata, uint32_t keycode, Eina_Bool pressed)
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{
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enum xkb_key_direction dir;
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if (!cdata->xkb.state) return;
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if (pressed) dir = XKB_KEY_DOWN;
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else dir = XKB_KEY_UP;
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xkb_state_update_key(cdata->xkb.state, keycode + 8, dir);
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e_comp_wl_input_keyboard_modifiers_update(cdata);
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}
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EAPI void
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e_comp_wl_input_pointer_enabled_set(E_Comp_Data *cdata, Eina_Bool enabled)
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{
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/* check for valid compositor data */
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if (!cdata)
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{
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ERR("No compositor data");
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return;
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}
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cdata->ptr.enabled = enabled;
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_e_comp_wl_input_update_seat_caps(cdata);
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}
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EAPI void
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e_comp_wl_input_keyboard_enabled_set(E_Comp_Data *cdata, Eina_Bool enabled)
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{
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/* check for valid compositor data */
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if (!cdata)
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{
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ERR("No compositor data");
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return;
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}
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cdata->kbd.enabled = enabled;
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_e_comp_wl_input_update_seat_caps(cdata);
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}
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EAPI void
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e_comp_wl_input_keymap_set(E_Comp_Data *cdata, const char *rules, const char *model, const char *layout)
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{
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struct xkb_keymap *keymap;
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struct xkb_rule_names names;
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/* check for valid compositor data */
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if (!cdata)
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{
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ERR("No compositor data");
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return;
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}
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/* DBG("COMP_WL: Keymap Set: %s %s %s", rules, model, layout); */
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/* assemble xkb_rule_names so we can fetch keymap */
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memset(&names, 0, sizeof(names));
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if (rules) names.rules = strdup(rules);
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if (model) names.model = strdup(model);
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if (layout) names.layout = strdup(layout);
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/* unreference any existing context */
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if (cdata->xkb.context) xkb_context_unref(cdata->xkb.context);
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/* create a new xkb context */
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cdata->xkb.context = xkb_context_new(0);
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/* fetch new keymap based on names */
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keymap = xkb_map_new_from_names(cdata->xkb.context, &names, 0);
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/* update compositor keymap */
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_e_comp_wl_input_keymap_update(cdata, keymap);
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/* cleanup */
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free((char *)names.rules);
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free((char *)names.model);
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free((char *)names.layout);
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}
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