diff options
Diffstat (limited to 'sway/input/seat.c')
| -rw-r--r-- | sway/input/seat.c | 675 |
1 files changed, 675 insertions, 0 deletions
diff --git a/sway/input/seat.c b/sway/input/seat.c new file mode 100644 index 00000000..467e5087 --- /dev/null +++ b/sway/input/seat.c @@ -0,0 +1,675 @@ +#define _XOPEN_SOURCE 700 +#define _POSIX_C_SOURCE 199309L +#include <assert.h> +#include <strings.h> +#include <time.h> +#include <wlr/types/wlr_cursor.h> +#include <wlr/types/wlr_output_layout.h> +#include <wlr/types/wlr_xcursor_manager.h> +#include "sway/debug.h" +#include "sway/tree/container.h" +#include "sway/tree/workspace.h" +#include "sway/input/seat.h" +#include "sway/input/cursor.h" +#include "sway/input/input-manager.h" +#include "sway/input/keyboard.h" +#include "sway/ipc-server.h" +#include "sway/layers.h" +#include "sway/output.h" +#include "sway/tree/container.h" +#include "sway/tree/view.h" +#include "log.h" + +static void seat_device_destroy(struct sway_seat_device *seat_device) { + if (!seat_device) { + return; + } + + sway_keyboard_destroy(seat_device->keyboard); + wlr_cursor_detach_input_device(seat_device->sway_seat->cursor->cursor, + seat_device->input_device->wlr_device); + wl_list_remove(&seat_device->link); + free(seat_device); +} + +void seat_destroy(struct sway_seat *seat) { + struct sway_seat_device *seat_device, *next; + wl_list_for_each_safe(seat_device, next, &seat->devices, link) { + seat_device_destroy(seat_device); + } + sway_cursor_destroy(seat->cursor); + wl_list_remove(&seat->link); + wlr_seat_destroy(seat->wlr_seat); +} + +static struct sway_seat_container *seat_container_from_container( + struct sway_seat *seat, struct sway_container *con); + +static void seat_container_destroy(struct sway_seat_container *seat_con) { + struct sway_container *con = seat_con->container; + struct sway_container *child = NULL; + + if (con->children != NULL) { + for (int i = 0; i < con->children->length; ++i) { + child = con->children->items[i]; + struct sway_seat_container *seat_child = + seat_container_from_container(seat_con->seat, child); + seat_container_destroy(seat_child); + } + } + + wl_list_remove(&seat_con->destroy.link); + wl_list_remove(&seat_con->link); + free(seat_con); +} + +static void seat_send_focus(struct sway_seat *seat, + struct sway_container *con) { + if (con->type != C_VIEW) { + return; + } + struct sway_view *view = con->sway_view; + if (view->type == SWAY_VIEW_XWAYLAND) { + struct wlr_xwayland *xwayland = + seat->input->server->xwayland; + wlr_xwayland_set_seat(xwayland, seat->wlr_seat); + } + view_set_activated(view, true); + struct wlr_keyboard *keyboard = + wlr_seat_get_keyboard(seat->wlr_seat); + if (keyboard) { + wlr_seat_keyboard_notify_enter(seat->wlr_seat, + view->surface, keyboard->keycodes, + keyboard->num_keycodes, &keyboard->modifiers); + } else { + wlr_seat_keyboard_notify_enter( + seat->wlr_seat, view->surface, NULL, 0, NULL); + } +} + +static struct sway_container *seat_get_focus_by_type(struct sway_seat *seat, + struct sway_container *container, enum sway_container_type type) { + if (container->type == C_VIEW || container->children->length == 0) { + return container; + } + + struct sway_seat_container *current = NULL; + wl_list_for_each(current, &seat->focus_stack, link) { + if (current->container->type != type && type != C_TYPES) { + continue; + } + + if (container_has_child(container, current->container)) { + return current->container; + } + } + + return NULL; +} + +void seat_focus_inactive_children_for_each(struct sway_seat *seat, + struct sway_container *container, + void (*f)(struct sway_container *container, void *data), void *data) { + struct sway_seat_container *current = NULL; + wl_list_for_each(current, &seat->focus_stack, link) { + if (current->container->parent == NULL) { + continue; + } + if (current->container->parent == container) { + f(current->container, data); + } + } +} + +struct sway_container *seat_get_focus_inactive_view(struct sway_seat *seat, + struct sway_container *container) { + return seat_get_focus_by_type(seat, container, C_VIEW); +} + +static void handle_seat_container_destroy(struct wl_listener *listener, + void *data) { + struct sway_seat_container *seat_con = + wl_container_of(listener, seat_con, destroy); + struct sway_seat *seat = seat_con->seat; + struct sway_container *con = seat_con->container; + struct sway_container *parent = con->parent; + struct sway_container *focus = seat_get_focus(seat); + + bool set_focus = + focus != NULL && + (focus == con || container_has_child(con, focus)) && + con->type != C_WORKSPACE; + + seat_container_destroy(seat_con); + + if (set_focus) { + struct sway_container *next_focus = NULL; + while (next_focus == NULL) { + next_focus = seat_get_focus_by_type(seat, parent, C_VIEW); + + if (next_focus == NULL && parent->type == C_WORKSPACE) { + next_focus = parent; + break; + } + + parent = parent->parent; + } + + // the structure change might have caused it to move up to the top of + // the focus stack without sending focus notifications to the view + if (seat_get_focus(seat) == next_focus) { + seat_send_focus(seat, next_focus); + } else { + seat_set_focus(seat, next_focus); + } + } +} + +static struct sway_seat_container *seat_container_from_container( + struct sway_seat *seat, struct sway_container *con) { + if (con->type == C_ROOT || con->type == C_OUTPUT) { + // these don't get seat containers ever + return NULL; + } + + struct sway_seat_container *seat_con = NULL; + wl_list_for_each(seat_con, &seat->focus_stack, link) { + if (seat_con->container == con) { + return seat_con; + } + } + + seat_con = calloc(1, sizeof(struct sway_seat_container)); + if (seat_con == NULL) { + wlr_log(L_ERROR, "could not allocate seat container"); + return NULL; + } + + seat_con->container = con; + seat_con->seat = seat; + wl_list_insert(seat->focus_stack.prev, &seat_con->link); + wl_signal_add(&con->events.destroy, &seat_con->destroy); + seat_con->destroy.notify = handle_seat_container_destroy; + + return seat_con; +} + +static void handle_new_container(struct wl_listener *listener, void *data) { + struct sway_seat *seat = wl_container_of(listener, seat, new_container); + struct sway_container *con = data; + seat_container_from_container(seat, con); +} + +static void collect_focus_iter(struct sway_container *con, void *data) { + struct sway_seat *seat = data; + if (con->type > C_WORKSPACE) { + return; + } + struct sway_seat_container *seat_con = + seat_container_from_container(seat, con); + if (!seat_con) { + return; + } + wl_list_remove(&seat_con->link); + wl_list_insert(&seat->focus_stack, &seat_con->link); +} + +struct sway_seat *seat_create(struct sway_input_manager *input, + const char *seat_name) { + struct sway_seat *seat = calloc(1, sizeof(struct sway_seat)); + if (!seat) { + return NULL; + } + + seat->wlr_seat = wlr_seat_create(input->server->wl_display, seat_name); + if (!sway_assert(seat->wlr_seat, "could not allocate seat")) { + free(seat); + return NULL; + } + + seat->cursor = sway_cursor_create(seat); + if (!seat->cursor) { + wlr_seat_destroy(seat->wlr_seat); + free(seat); + return NULL; + } + + // init the focus stack + wl_list_init(&seat->focus_stack); + + container_for_each_descendant_dfs(&root_container, + collect_focus_iter, seat); + + wl_signal_add(&root_container.sway_root->events.new_container, + &seat->new_container); + seat->new_container.notify = handle_new_container; + + seat->input = input; + wl_list_init(&seat->devices); + + wlr_seat_set_capabilities(seat->wlr_seat, + WL_SEAT_CAPABILITY_KEYBOARD | + WL_SEAT_CAPABILITY_POINTER | + WL_SEAT_CAPABILITY_TOUCH); + + seat_configure_xcursor(seat); + + wl_list_insert(&input->seats, &seat->link); + + return seat; +} + +static void seat_apply_input_config(struct sway_seat *seat, + struct sway_seat_device *sway_device) { + struct input_config *ic = input_device_get_config( + sway_device->input_device); + if (!ic) { + return; + } + wlr_log(L_DEBUG, "Applying input config to %s", + sway_device->input_device->identifier); + if (ic->mapped_output) { + struct sway_container *output = NULL; + for (int i = 0; i < root_container.children->length; ++i) { + struct sway_container *_output = root_container.children->items[i]; + if (strcasecmp(_output->name, ic->mapped_output) == 0) { + output = _output; + break; + } + } + if (output) { + wlr_cursor_map_input_to_output(seat->cursor->cursor, + sway_device->input_device->wlr_device, + output->sway_output->wlr_output); + wlr_log(L_DEBUG, "Mapped to output %s", output->name); + } + } +} + +static void seat_configure_pointer(struct sway_seat *seat, + struct sway_seat_device *sway_device) { + wlr_cursor_attach_input_device(seat->cursor->cursor, + sway_device->input_device->wlr_device); + seat_apply_input_config(seat, sway_device); +} + +static void seat_configure_keyboard(struct sway_seat *seat, + struct sway_seat_device *seat_device) { + if (!seat_device->keyboard) { + sway_keyboard_create(seat, seat_device); + } + struct wlr_keyboard *wlr_keyboard = + seat_device->input_device->wlr_device->keyboard; + sway_keyboard_configure(seat_device->keyboard); + wlr_seat_set_keyboard(seat->wlr_seat, + seat_device->input_device->wlr_device); + struct sway_container *focus = seat_get_focus(seat); + if (focus && focus->type == C_VIEW) { + // force notify reenter to pick up the new configuration + wlr_seat_keyboard_clear_focus(seat->wlr_seat); + wlr_seat_keyboard_notify_enter(seat->wlr_seat, + focus->sway_view->surface, wlr_keyboard->keycodes, + wlr_keyboard->num_keycodes, &wlr_keyboard->modifiers); + } +} + +static void seat_configure_tablet_tool(struct sway_seat *seat, + struct sway_seat_device *sway_device) { + wlr_cursor_attach_input_device(seat->cursor->cursor, + sway_device->input_device->wlr_device); + seat_apply_input_config(seat, sway_device); +} + +static struct sway_seat_device *seat_get_device(struct sway_seat *seat, + struct sway_input_device *input_device) { + struct sway_seat_device *seat_device = NULL; + wl_list_for_each(seat_device, &seat->devices, link) { + if (seat_device->input_device == input_device) { + return seat_device; + } + } + + return NULL; +} + +void seat_configure_device(struct sway_seat *seat, + struct sway_input_device *input_device) { + struct sway_seat_device *seat_device = + seat_get_device(seat, input_device); + if (!seat_device) { + return; + } + + switch (input_device->wlr_device->type) { + case WLR_INPUT_DEVICE_POINTER: + seat_configure_pointer(seat, seat_device); + break; + case WLR_INPUT_DEVICE_KEYBOARD: + seat_configure_keyboard(seat, seat_device); + break; + case WLR_INPUT_DEVICE_TABLET_TOOL: + seat_configure_tablet_tool(seat, seat_device); + break; + case WLR_INPUT_DEVICE_TABLET_PAD: + case WLR_INPUT_DEVICE_TOUCH: + wlr_log(L_DEBUG, "TODO: configure other devices"); + break; + } +} + +void seat_add_device(struct sway_seat *seat, + struct sway_input_device *input_device) { + if (seat_get_device(seat, input_device)) { + seat_configure_device(seat, input_device); + return; + } + + struct sway_seat_device *seat_device = + calloc(1, sizeof(struct sway_seat_device)); + if (!seat_device) { + wlr_log(L_DEBUG, "could not allocate seat device"); + return; + } + + wlr_log(L_DEBUG, "adding device %s to seat %s", + input_device->identifier, seat->wlr_seat->name); + + seat_device->sway_seat = seat; + seat_device->input_device = input_device; + wl_list_insert(&seat->devices, &seat_device->link); + + seat_configure_device(seat, input_device); +} + +void seat_remove_device(struct sway_seat *seat, + struct sway_input_device *input_device) { + struct sway_seat_device *seat_device = + seat_get_device(seat, input_device); + + if (!seat_device) { + return; + } + + wlr_log(L_DEBUG, "removing device %s from seat %s", + input_device->identifier, seat->wlr_seat->name); + + seat_device_destroy(seat_device); +} + +void seat_configure_xcursor(struct sway_seat *seat) { + // TODO configure theme and size + const char *cursor_theme = NULL; + + if (!seat->cursor->xcursor_manager) { + seat->cursor->xcursor_manager = + wlr_xcursor_manager_create(cursor_theme, 24); + if (sway_assert(seat->cursor->xcursor_manager, + "Cannot create XCursor manager for theme %s", + cursor_theme)) { + return; + } + } + + for (int i = 0; i < root_container.children->length; ++i) { + struct sway_container *output_container = + root_container.children->items[i]; + struct wlr_output *output = + output_container->sway_output->wlr_output; + bool result = + wlr_xcursor_manager_load(seat->cursor->xcursor_manager, + output->scale); + + sway_assert(!result, + "Cannot load xcursor theme for output '%s' with scale %f", + // TODO: Fractional scaling + output->name, (double)output->scale); + } + + wlr_xcursor_manager_set_cursor_image(seat->cursor->xcursor_manager, + "left_ptr", seat->cursor->cursor); + wlr_cursor_warp(seat->cursor->cursor, NULL, seat->cursor->cursor->x, + seat->cursor->cursor->y); +} + +bool seat_is_input_allowed(struct sway_seat *seat, + struct wlr_surface *surface) { + struct wl_client *client = wl_resource_get_client(surface->resource); + return !seat->exclusive_client || seat->exclusive_client == client; +} + +void seat_set_focus_warp(struct sway_seat *seat, + struct sway_container *container, bool warp) { + if (seat->focused_layer) { + return; + } + + struct sway_container *last_focus = seat_get_focus(seat); + if (container && last_focus == container) { + return; + } + + if (container) { + struct sway_seat_container *seat_con = + seat_container_from_container(seat, container); + if (seat_con == NULL) { + return; + } + + // put all the anscestors of this container on top of the focus stack + struct sway_seat_container *parent = + seat_container_from_container(seat, + seat_con->container->parent); + while (parent) { + wl_list_remove(&parent->link); + wl_list_insert(&seat->focus_stack, &parent->link); + + parent = + seat_container_from_container(seat, + parent->container->parent); + } + + wl_list_remove(&seat_con->link); + wl_list_insert(&seat->focus_stack, &seat_con->link); + + if (container->type == C_VIEW && !seat_is_input_allowed( + seat, container->sway_view->surface)) { + wlr_log(L_DEBUG, "Refusing to set focus, input is inhibited"); + return; + } + + if (container->type == C_VIEW) { + seat_send_focus(seat, container); + } + } + + if (last_focus) { + struct sway_container *last_ws = last_focus; + if (last_ws && last_ws->type != C_WORKSPACE) { + last_ws = container_parent(last_ws, C_WORKSPACE); + } + if (last_ws) { + ipc_event_workspace(last_ws, container, "focus"); + if (!workspace_is_visible(last_ws) + && last_ws->children->length == 0) { + container_destroy(last_ws); + } + } + + if (config->mouse_warping && warp) { + struct sway_container *last_output = last_focus; + if (last_output && last_output->type != C_OUTPUT) { + last_output = container_parent(last_output, C_OUTPUT); + } + struct sway_container *new_output = container; + if (new_output && new_output->type != C_OUTPUT) { + new_output = container_parent(new_output, C_OUTPUT); + } + if (new_output && last_output && new_output != last_output) { + double x = new_output->x + container->x + + container->width / 2.0; + double y = new_output->y + container->y + + container->height / 2.0; + struct wlr_output *wlr_output = + new_output->sway_output->wlr_output; + if (!wlr_output_layout_contains_point( + root_container.sway_root->output_layout, + wlr_output, seat->cursor->cursor->x, + seat->cursor->cursor->y)) { + wlr_cursor_warp(seat->cursor->cursor, NULL, x, y); + struct timespec now; + clock_gettime(CLOCK_MONOTONIC, &now); + cursor_send_pointer_motion(seat->cursor, now.tv_nsec / 1000); + } + } + } + } + + if (last_focus && last_focus->type == C_VIEW && + !input_manager_has_focus(seat->input, last_focus)) { + struct sway_view *view = last_focus->sway_view; + view_set_activated(view, false); + } + + seat->has_focus = (container != NULL); + + update_debug_tree(); +} + +void seat_set_focus(struct sway_seat *seat, + struct sway_container *container) { + seat_set_focus_warp(seat, container, true); +} + +void seat_set_focus_surface(struct sway_seat *seat, + struct wlr_surface *surface) { + if (seat->focused_layer != NULL) { + return; + } + if (seat->has_focus) { + struct sway_container *focus = seat_get_focus(seat); + if (focus->type == C_VIEW) { + wlr_seat_keyboard_clear_focus(seat->wlr_seat); + view_set_activated(focus->sway_view, false); + } + seat->has_focus = false; + } + struct wlr_keyboard *keyboard = + wlr_seat_get_keyboard(seat->wlr_seat); + if (keyboard) { + wlr_seat_keyboard_notify_enter(seat->wlr_seat, surface, + keyboard->keycodes, keyboard->num_keycodes, &keyboard->modifiers); + } else { + wlr_seat_keyboard_notify_enter(seat->wlr_seat, surface, NULL, 0, NULL); + } +} + +void seat_set_focus_layer(struct sway_seat *seat, + struct wlr_layer_surface *layer) { + if (!layer && seat->focused_layer) { + seat->focused_layer = NULL; + struct sway_container *previous = seat_get_focus(seat); + if (previous) { + wlr_log(L_DEBUG, "Returning focus to %p %s '%s'", previous, + container_type_to_str(previous->type), previous->name); + // Hack to get seat to re-focus the return value of get_focus + seat_set_focus(seat, previous->parent); + seat_set_focus(seat, previous); + } + return; + } else if (!layer || seat->focused_layer == layer) { + return; + } + seat_set_focus_surface(seat, layer->surface); + if (layer->layer >= ZWLR_LAYER_SHELL_V1_LAYER_TOP) { + seat->focused_layer = layer; + } +} + +void seat_set_exclusive_client(struct sway_seat *seat, + struct wl_client *client) { + if (!client) { + seat->exclusive_client = client; + // Triggers a refocus of the topmost surface layer if necessary + // TODO: Make layer surface focus per-output based on cursor position + for (int i = 0; i < root_container.children->length; ++i) { + struct sway_container *output = root_container.children->items[i]; + if (!sway_assert(output->type == C_OUTPUT, + "root container has non-output child")) { + continue; + } + arrange_layers(output->sway_output); + } + return; + } + if (seat->focused_layer) { + if (wl_resource_get_client(seat->focused_layer->resource) != client) { + seat_set_focus_layer(seat, NULL); + } + } + if (seat->has_focus) { + struct sway_container *focus = seat_get_focus(seat); + if (focus->type == C_VIEW && wl_resource_get_client( + focus->sway_view->surface->resource) != client) { + seat_set_focus(seat, NULL); + } + } + if (seat->wlr_seat->pointer_state.focused_client) { + if (seat->wlr_seat->pointer_state.focused_client->client != client) { + wlr_seat_pointer_clear_focus(seat->wlr_seat); + } + } + struct timespec now; + clock_gettime(CLOCK_MONOTONIC, &now); + struct wlr_touch_point *point; + wl_list_for_each(point, &seat->wlr_seat->touch_state.touch_points, link) { + if (point->client->client != client) { + wlr_seat_touch_point_clear_focus(seat->wlr_seat, + now.tv_nsec / 1000, point->touch_id); + } + } + seat->exclusive_client = client; +} + +struct sway_container *seat_get_focus_inactive(struct sway_seat *seat, + struct sway_container *container) { + return seat_get_focus_by_type(seat, container, C_TYPES); +} + +struct sway_container *sway_seat_get_focus(struct sway_seat *seat) { + if (!seat->has_focus) { + return NULL; + } + return seat_get_focus_inactive(seat, &root_container); +} + +struct sway_container *seat_get_focus(struct sway_seat *seat) { + if (!seat->has_focus) { + return NULL; + } + return seat_get_focus_inactive(seat, &root_container); +} + +void seat_apply_config(struct sway_seat *seat, + struct seat_config *seat_config) { + struct sway_seat_device *seat_device = NULL; + + if (!seat_config) { + return; + } + + wl_list_for_each(seat_device, &seat->devices, link) { + seat_configure_device(seat, seat_device->input_device); + } +} + +struct seat_config *seat_get_config(struct sway_seat *seat) { + struct seat_config *seat_config = NULL; + for (int i = 0; i < config->seat_configs->length; ++i ) { + seat_config = config->seat_configs->items[i]; + if (strcmp(seat->wlr_seat->name, seat_config->name) == 0) { + return seat_config; + } + } + + return NULL; +} |