diff options
| -rw-r--r-- | include/wlr/types/wlr_data_device.h | 15 | ||||
| -rw-r--r-- | types/wlr_data_device.c | 398 |
2 files changed, 330 insertions, 83 deletions
diff --git a/include/wlr/types/wlr_data_device.h b/include/wlr/types/wlr_data_device.h index 3074a6e3..cb867741 100644 --- a/include/wlr/types/wlr_data_device.h +++ b/include/wlr/types/wlr_data_device.h @@ -2,6 +2,7 @@ #define WLR_TYPES_WLR_DATA_DEVICE_H #include <wayland-server.h> +#include <wlr/types/wlr_seat.h> struct wlr_data_device_manager { struct wl_global *global; @@ -37,6 +38,20 @@ struct wlr_data_source { } events; }; +struct wlr_drag { + struct wlr_seat_pointer_grab pointer_grab; + struct wlr_seat_handle *handle; + struct wlr_seat_handle *focus_handle; + + struct wlr_surface *icon; + struct wlr_surface *focus; + struct wlr_data_source *source; + + struct wl_listener icon_destroy; + struct wl_listener source_destroy; + struct wl_listener handle_unbound; +}; + /** * Create a wl data device manager global for this display. */ diff --git a/types/wlr_data_device.c b/types/wlr_data_device.c index 2dae555e..e9c0aa10 100644 --- a/types/wlr_data_device.c +++ b/types/wlr_data_device.c @@ -9,16 +9,79 @@ #include <wlr/types/wlr_seat.h> #include <wlr/types/wlr_data_device.h> - #define ALL_ACTIONS (WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY | \ WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE | \ WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK) -static void data_device_start_drag(struct wl_client *client, struct wl_resource - *resource, struct wl_resource *source_resource, - struct wl_resource *origin, struct wl_resource *icon, uint32_t serial) { - wlr_log(L_DEBUG, "TODO: data device start drag"); +static uint32_t data_offer_choose_action(struct wlr_data_offer *offer) { + uint32_t available_actions, preferred_action = 0; + uint32_t source_actions, offer_actions; + + if (wl_resource_get_version(offer->resource) >= + WL_DATA_OFFER_ACTION_SINCE_VERSION) { + offer_actions = offer->dnd_actions; + preferred_action = offer->preferred_dnd_action; + } else { + offer_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY; + } + + if (wl_resource_get_version(offer->source->resource) >= + WL_DATA_SOURCE_ACTION_SINCE_VERSION) { + source_actions = offer->source->dnd_actions; + } else { + source_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY; + } + + available_actions = offer_actions & source_actions; + + if (!available_actions) { + return WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE; + } + + if (offer->source->seat && + offer->source->compositor_action & available_actions) { + return offer->source->compositor_action; + } + + // If the dest side has a preferred DnD action, use it + if ((preferred_action & available_actions) != 0) { + return preferred_action; + } + + // Use the first found action, in bit order + return 1 << (ffs(available_actions) - 1); } + +static void data_offer_update_action(struct wlr_data_offer *offer) { + uint32_t action; + + if (!offer->source) { + return; + } + + action = data_offer_choose_action(offer); + + if (offer->source->current_dnd_action == action) { + return; + } + + offer->source->current_dnd_action = action; + + if (offer->in_ask) { + return; + } + + if (wl_resource_get_version(offer->source->resource) >= + WL_DATA_SOURCE_ACTION_SINCE_VERSION) { + wl_data_source_send_action(offer->source->resource, action); + } + + if (wl_resource_get_version(offer->resource) >= + WL_DATA_OFFER_ACTION_SINCE_VERSION) { + wl_data_offer_send_action(offer->resource, action); + } +} + static void data_source_accept(struct wlr_data_source *source, uint32_t time, const char *mime_type) { wl_data_source_send_target(source->resource, mime_type); @@ -94,75 +157,6 @@ static void data_offer_finish(struct wl_client *client, data_source_notify_finish(offer->source); } -static uint32_t data_offer_choose_action(struct wlr_data_offer *offer) { - uint32_t available_actions, preferred_action = 0; - uint32_t source_actions, offer_actions; - - if (wl_resource_get_version(offer->resource) >= - WL_DATA_OFFER_ACTION_SINCE_VERSION) { - offer_actions = offer->dnd_actions; - preferred_action = offer->preferred_dnd_action; - } else { - offer_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY; - } - - if (wl_resource_get_version(offer->source->resource) >= - WL_DATA_SOURCE_ACTION_SINCE_VERSION) { - source_actions = offer->source->dnd_actions; - } else { - source_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY; - } - - available_actions = offer_actions & source_actions; - - if (!available_actions) { - return WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE; - } - - if (offer->source->seat && - offer->source->compositor_action & available_actions) { - return offer->source->compositor_action; - } - - // If the dest side has a preferred DnD action, use it - if ((preferred_action & available_actions) != 0) { - return preferred_action; - } - - // Use the first found action, in bit order - return 1 << (ffs(available_actions) - 1); -} - -static void data_offer_update_action(struct wlr_data_offer *offer) { - uint32_t action; - - if (!offer->source) { - return; - } - - action = data_offer_choose_action(offer); - - if (offer->source->current_dnd_action == action) { - return; - } - - offer->source->current_dnd_action = action; - - if (offer->in_ask) { - return; - } - - if (wl_resource_get_version(offer->source->resource) >= - WL_DATA_SOURCE_ACTION_SINCE_VERSION) { - wl_data_source_send_action(offer->source->resource, action); - } - - if (wl_resource_get_version(offer->resource) >= - WL_DATA_OFFER_ACTION_SINCE_VERSION) { - wl_data_offer_send_action(offer->resource, action); - } -} - static void data_offer_set_actions(struct wl_client *client, struct wl_resource *resource, uint32_t dnd_actions, uint32_t preferred_action) { @@ -348,6 +342,244 @@ static void data_device_release(struct wl_client *client, wl_resource_destroy(resource); } +static void drag_handle_seat_unbound(struct wl_listener *listener, void *data) { + struct wlr_drag *drag = wl_container_of(listener, drag, handle_unbound); + struct wlr_seat_handle *unbound_handle = data; + + if (drag->focus_handle == unbound_handle) { + drag->focus_handle = NULL; + } +} + +static void wlr_drag_set_focus(struct wlr_drag *drag, + struct wlr_surface *surface, double sx, double sy) { + if (drag->focus == surface) { + return; + } + + if (drag->focus_handle && drag->focus_handle->data_device) { + wl_list_remove(&drag->handle_unbound.link); + wl_data_device_send_leave(drag->focus_handle->data_device); + drag->focus_handle = NULL; + drag->focus = NULL; + } + + if (!surface || !surface->resource) { + return; + } + + if (!drag->source && + wl_resource_get_client(surface->resource) != + wl_resource_get_client(drag->handle->wl_resource)) { + return; + } + + if (drag->source && drag->source->offer) { + // unlink the offer from the source + wl_list_remove(&drag->source->offer->source_destroy.link); + drag->source->offer->source = NULL; + drag->source->offer = NULL; + } + + struct wlr_seat_handle *focus_handle = + wlr_seat_handle_for_client(drag->handle->wlr_seat, + wl_resource_get_client(surface->resource)); + + if (!focus_handle || !focus_handle->data_device) { + return; + } + + struct wl_resource *offer_resource = NULL; + if (drag->source) { + drag->source->accepted = false; + struct wlr_data_offer *offer = + wlr_data_source_send_offer(drag->source, focus_handle->data_device); + if (offer == NULL) { + return; + } + + data_offer_update_action(offer); + + if (wl_resource_get_version(offer->resource) >= + WL_DATA_OFFER_SOURCE_ACTIONS_SINCE_VERSION) { + wl_data_offer_send_source_actions(offer->resource, + drag->source->dnd_actions); + } + + offer_resource = offer->resource; + } + + uint32_t serial = wl_display_next_serial(drag->handle->wlr_seat->display); + + wl_data_device_send_enter(focus_handle->data_device, serial, + surface->resource, wl_fixed_from_double(sx), + wl_fixed_from_double(sy), offer_resource); + + drag->focus = surface; + drag->focus_handle = focus_handle; + drag->handle_unbound.notify = drag_handle_seat_unbound; + wl_signal_add(&focus_handle->wlr_seat->events.client_unbound, + &drag->handle_unbound); +} + +static void wlr_drag_end(struct wlr_drag *drag) { + if (drag->icon) { + wl_list_remove(&drag->icon_destroy.link); + } + + if (drag->source) { + wl_list_remove(&drag->source_destroy.link); + } + + wlr_drag_set_focus(drag, NULL, 0, 0); + wlr_seat_pointer_end_grab(drag->pointer_grab.seat); + free(drag); +} + +static void pointer_drag_enter(struct wlr_seat_pointer_grab *grab, + struct wlr_surface *surface, double sx, double sy) { + struct wlr_drag *drag = grab->data; + wlr_drag_set_focus(drag, surface, sx, sy); +} + +static void pointer_drag_motion(struct wlr_seat_pointer_grab *grab, + uint32_t time, double sx, double sy) { + struct wlr_drag *drag = grab->data; + if (drag->focus && drag->focus_handle && drag->focus_handle->data_device) { + wl_data_device_send_motion(drag->focus_handle->data_device, time, + wl_fixed_from_double(sx), wl_fixed_from_double(sy)); + } +} + +static uint32_t pointer_drag_button(struct wlr_seat_pointer_grab *grab, + uint32_t time, uint32_t button, uint32_t state) { + struct wlr_drag *drag = grab->data; + + // TODO check no buttons are pressed to end the drag + // TODO make sure the button pressed to do the drag was the same to end the + // drag + + if (state == WL_POINTER_BUTTON_STATE_RELEASED) { + if (drag->source) { + if (drag->focus_handle && drag->focus_handle->data_device && + drag->source->current_dnd_action && + drag->source->accepted) { + wl_data_device_send_drop(drag->focus_handle->data_device); + if (wl_resource_get_version(drag->source->resource) >= + WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION) { + wl_data_source_send_dnd_drop_performed( + drag->source->resource); + } + + drag->source->offer->in_ask = + drag->source->current_dnd_action == + WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK; + } + } else if (wl_resource_get_version(drag->source->resource) >= + WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) { + wl_data_source_send_cancelled(drag->source->resource); + } + + wlr_drag_end(drag); + } + + return 0; +} + +static void pointer_drag_axis(struct wlr_seat_pointer_grab *grab, uint32_t time, + enum wlr_axis_orientation orientation, double value) { +} + +static void pointer_drag_cancel(struct wlr_seat_pointer_grab *grab) { + struct wlr_drag *drag = grab->data; + wlr_drag_end(drag); +} + +static const struct wlr_pointer_grab_interface pointer_drag_interface = { + .enter = pointer_drag_enter, + .motion = pointer_drag_motion, + .button = pointer_drag_button, + .axis = pointer_drag_axis, + .cancel = pointer_drag_cancel, +}; + +static void drag_handle_icon_destroy(struct wl_listener *listener, void *data) { + struct wlr_drag *drag = wl_container_of(listener, drag, icon_destroy); + drag->icon = NULL; +} + +static void drag_handle_drag_source_destroy(struct wl_listener *listener, + void *data) { + struct wlr_drag *drag = wl_container_of(listener, drag, source_destroy); + wlr_drag_end(drag); +} + +static bool seat_handle_start_drag(struct wlr_seat_handle *handle, + struct wlr_data_source *source, struct wlr_surface *icon) { + struct wlr_drag *drag = calloc(1, sizeof(struct wlr_drag)); + if (drag == NULL) { + return false; + } + + if (drag->icon) { + drag->icon_destroy.notify = drag_handle_icon_destroy; + wl_signal_add(&icon->events.destroy, &drag->icon_destroy); + drag->icon = icon; + } + + if (source) { + drag->source_destroy.notify = drag_handle_drag_source_destroy; + wl_signal_add(&source->events.destroy, &drag->source_destroy); + drag->source = source; + } + + drag->handle = handle; + drag->pointer_grab.data = drag; + drag->pointer_grab.interface = &pointer_drag_interface; + + wlr_seat_pointer_clear_focus(handle->wlr_seat); + + wlr_seat_pointer_start_grab(handle->wlr_seat, &drag->pointer_grab); + + // TODO keyboard grab + + return true; +} + +static void data_device_start_drag(struct wl_client *client, + struct wl_resource *handle_resource, + struct wl_resource *source_resource, + struct wl_resource *origin_resource, struct wl_resource *icon_resource, + uint32_t serial) { + struct wlr_seat_handle *handle = wl_resource_get_user_data(handle_resource); + struct wlr_surface *origin = wl_resource_get_user_data(origin_resource); + struct wlr_data_source *source = NULL; + struct wlr_surface *icon = NULL; + + if (source_resource) { + source = wl_resource_get_user_data(source_resource); + } + + if (icon_resource) { + icon = wl_resource_get_user_data(icon_resource); + } + if (icon) { + if (wlr_surface_set_role(icon, "wl_data_device-icon", + handle_resource, WL_DATA_DEVICE_ERROR_ROLE) < 0) { + return; + } + } + + // TODO touch grab + if (handle->wlr_seat->pointer_state.focused_surface == origin) { + if (!seat_handle_start_drag(handle, source, icon)) { + wl_resource_post_no_memory(handle_resource); + } else { + source->seat = handle; + } + } +} + static const struct wl_data_device_interface data_device_impl = { .start_drag = data_device_start_drag, .set_selection = data_device_set_selection, @@ -404,23 +636,23 @@ static void data_source_set_actions(struct wl_client *client, if (source->actions_set) { wl_resource_post_error(source->resource, - WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK, - "cannot set actions more than once"); + WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK, + "cannot set actions more than once"); return; } if (dnd_actions & ~ALL_ACTIONS) { wl_resource_post_error(source->resource, - WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK, - "invalid action mask %x", dnd_actions); + WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK, + "invalid action mask %x", dnd_actions); return; } if (source->seat) { wl_resource_post_error(source->resource, - WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK, - "invalid action change after " - "wl_data_device.start_drag"); + WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK, + "invalid action change after " + "wl_data_device.start_drag"); return; } @@ -492,8 +724,8 @@ static void data_device_manager_bind(struct wl_client *client, return; } - wl_resource_set_implementation(resource, &data_device_manager_impl, - NULL, NULL); + wl_resource_set_implementation(resource, + &data_device_manager_impl, NULL, NULL); } struct wlr_data_device_manager *wlr_data_device_manager_create( |