data-device: redesign wlr_data_source
This commit is contained in:
emersion
parent
79dd4a0ff9
commit
d5f46f4db4
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@ -30,23 +30,29 @@ struct wlr_data_offer {
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struct wl_listener source_destroy;
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};
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struct wlr_data_source {
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// source metadata
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struct wl_array mime_types;
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int32_t actions;
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// source implementation
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/**
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* A data source implementation. Only the `send` function is mandatory. Refer to
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* the matching wl_data_source_* functions documentation to know what they do.
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*/
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struct wlr_data_source_impl {
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void (*send)(struct wlr_data_source *source, const char *mime_type,
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int32_t fd);
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void (*accept)(struct wlr_data_source *source, uint32_t serial,
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const char *mime_type);
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void (*cancel)(struct wlr_data_source *source);
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// drag'n'drop implementation
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void (*dnd_drop)(struct wlr_data_source *source);
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void (*dnd_finish)(struct wlr_data_source *source);
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void (*dnd_action)(struct wlr_data_source *source,
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enum wl_data_device_manager_dnd_action action);
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};
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struct wlr_data_source {
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const struct wlr_data_source_impl *impl;
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// source metadata
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struct wl_array mime_types;
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int32_t actions;
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// source status
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bool accepted;
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@ -128,7 +134,7 @@ struct wlr_drag_drop_event {
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* Create a wl data device manager global for this display.
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*/
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struct wlr_data_device_manager *wlr_data_device_manager_create(
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struct wl_display *display);
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struct wl_display *display);
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/**
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* Destroys a wlr_data_device_manager and removes its wl_data_device_manager global.
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@ -144,11 +150,67 @@ void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager);
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*/
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void wlr_seat_client_send_selection(struct wlr_seat_client *seat_client);
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/**
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* Sets the current selection for the seat. This removes the previous one if
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* there was any.
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*/
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void wlr_seat_set_selection(struct wlr_seat *seat,
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struct wlr_data_source *source, uint32_t serial);
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struct wlr_data_source *source, uint32_t serial);
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void wlr_data_source_init(struct wlr_data_source *source);
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/**
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* Initializes the data source with the provided implementation.
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*/
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void wlr_data_source_init(struct wlr_data_source *source,
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const struct wlr_data_source_impl *impl);
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/**
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* Finishes the data source.
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*/
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void wlr_data_source_finish(struct wlr_data_source *source);
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/**
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* Sends the data as the specified MIME type over the passed file descriptor,
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* then close it.
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*/
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void wlr_data_source_send(struct wlr_data_source *source, const char *mime_type,
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int32_t fd);
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/**
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* Notifies the data source that a target accepts one of the offered MIME types.
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* If a target doesn't accept any of the offered types, `mime_type` is NULL.
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*/
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void wlr_data_source_accept(struct wlr_data_source *source, uint32_t serial,
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const char *mime_type);
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/**
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* Notifies the data source it is no longer valid and should be destroyed. That
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* potentially destroys immediately the data source.
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*/
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void wlr_data_source_cancel(struct wlr_data_source *source);
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/**
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* Notifies the data source that the drop operation was performed. This does not
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* indicate acceptance.
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*
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* The data source may still be used in the future and should not be destroyed
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* here.
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*/
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void wlr_data_source_dnd_drop(struct wlr_data_source *source);
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/**
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* Notifies the data source that the drag-and-drop operation concluded. That
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* potentially destroys immediately the data source.
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*/
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void wlr_data_source_dnd_finish(struct wlr_data_source *source);
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/**
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* Notifies the data source that a target accepts the drag with the specified
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* action.
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*
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* This shouldn't be called after `wlr_data_source_dnd_drop` unless the
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* drag-and-drop operation ended in an "ask" action.
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*/
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void wlr_data_source_dnd_action(struct wlr_data_source *source,
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enum wl_data_device_manager_dnd_action action);
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#endif
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@ -84,9 +84,7 @@ static void data_offer_update_action(struct wlr_data_offer *offer) {
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return;
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}
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if (offer->source->dnd_action) {
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offer->source->dnd_action(offer->source, action);
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}
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wlr_data_source_dnd_action(offer->source, action);
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if (wl_resource_get_version(offer->resource) >=
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WL_DATA_OFFER_ACTION_SINCE_VERSION) {
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@ -104,10 +102,7 @@ static void data_offer_accept(struct wl_client *client,
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// TODO check that client is currently focused by the input device
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if (offer->source->accept) {
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offer->source->accept(offer->source, serial, mime_type);
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}
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offer->source->accepted = (mime_type != NULL);
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wlr_data_source_accept(offer->source, serial, mime_type);
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}
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static void data_offer_receive(struct wl_client *client,
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@ -115,7 +110,7 @@ static void data_offer_receive(struct wl_client *client,
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struct wlr_data_offer *offer = data_offer_from_resource(resource);
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if (offer->source && offer == offer->source->offer) {
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offer->source->send(offer->source, mime_type, fd);
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wlr_data_source_send(offer->source, mime_type, fd);
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} else {
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close(fd);
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}
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@ -131,15 +126,12 @@ static void data_source_notify_finish(struct wlr_data_source *source) {
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return;
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}
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if (source->offer->in_ask && source->dnd_action) {
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source->dnd_action(source, source->current_dnd_action);
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}
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if (source->dnd_finish) {
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source->dnd_finish(source);
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if (source->offer->in_ask) {
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wlr_data_source_dnd_action(source, source->current_dnd_action);
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}
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source->offer = NULL;
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wlr_data_source_dnd_finish(source);
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}
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static void data_offer_finish(struct wl_client *client,
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@ -199,10 +191,10 @@ static void data_offer_resource_destroy(struct wl_resource *resource) {
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WL_DATA_OFFER_ACTION_SINCE_VERSION) {
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data_source_notify_finish(offer->source);
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offer->source->offer = NULL;
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} else if (offer->source->dnd_finish) {
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} else if (offer->source->impl->dnd_finish) {
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// source->cancel can free the source
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offer->source->offer = NULL;
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offer->source->cancel(offer->source);
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wlr_data_source_cancel(offer->source);
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} else {
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offer->source->offer = NULL;
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}
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@ -314,20 +306,15 @@ static void seat_client_selection_source_destroy(
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void wlr_seat_set_selection(struct wlr_seat *seat,
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struct wlr_data_source *source, uint32_t serial) {
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if (source) {
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assert(source->send);
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assert(source->cancel);
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}
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if (seat->selection_source &&
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seat->selection_serial - serial < UINT32_MAX / 2) {
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return;
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}
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if (seat->selection_source) {
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seat->selection_source->cancel(seat->selection_source);
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seat->selection_source = NULL;
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wl_list_remove(&seat->selection_source_destroy.link);
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wlr_data_source_cancel(seat->selection_source);
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seat->selection_source = NULL;
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}
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seat->selection_source = source;
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@ -533,9 +520,7 @@ static uint32_t pointer_drag_button(struct wlr_seat_pointer_grab *grab,
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wl_resource_for_each(resource, &drag->focus_client->data_devices) {
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wl_data_device_send_drop(resource);
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}
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if (drag->source->dnd_drop) {
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drag->source->dnd_drop(drag->source);
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}
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wlr_data_source_dnd_drop(drag->source);
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if (drag->source->offer != NULL) {
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drag->source->offer->in_ask =
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@ -548,8 +533,8 @@ static uint32_t pointer_drag_button(struct wlr_seat_pointer_grab *grab,
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.time = time,
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};
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wlr_signal_emit_safe(&drag->events.drop, &event);
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} else if (drag->source->dnd_finish) {
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drag->source->cancel(drag->source);
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} else if (drag->source->impl->dnd_finish) {
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wlr_data_source_cancel(drag->source);
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}
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}
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@ -899,36 +884,51 @@ static void data_device_destroy(struct wl_resource *resource) {
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struct client_data_source {
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struct wlr_data_source source;
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struct wlr_data_source_impl impl;
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struct wl_resource *resource;
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};
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static void client_data_source_accept(struct wlr_data_source *wlr_source,
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uint32_t serial, const char *mime_type);
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static struct client_data_source *client_data_source_from_wlr_data_source(
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struct wlr_data_source *wlr_source) {
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assert(wlr_source->impl->accept == client_data_source_accept);
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return (struct client_data_source *)wlr_source;
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}
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static void client_data_source_accept(struct wlr_data_source *wlr_source,
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uint32_t serial, const char *mime_type) {
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struct client_data_source *source = (struct client_data_source *)wlr_source;
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struct client_data_source *source =
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client_data_source_from_wlr_data_source(wlr_source);
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wl_data_source_send_target(source->resource, mime_type);
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}
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static void client_data_source_send(struct wlr_data_source *wlr_source,
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const char *mime_type, int32_t fd) {
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struct client_data_source *source = (struct client_data_source *)wlr_source;
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struct client_data_source *source =
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client_data_source_from_wlr_data_source(wlr_source);
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wl_data_source_send_send(source->resource, mime_type, fd);
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close(fd);
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}
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static void client_data_source_cancel(struct wlr_data_source *wlr_source) {
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struct client_data_source *source = (struct client_data_source *)wlr_source;
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struct client_data_source *source =
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client_data_source_from_wlr_data_source(wlr_source);
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wl_data_source_send_cancelled(source->resource);
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}
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static void client_data_source_dnd_drop(struct wlr_data_source *wlr_source) {
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struct client_data_source *source = (struct client_data_source *)wlr_source;
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struct client_data_source *source =
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client_data_source_from_wlr_data_source(wlr_source);
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assert(wl_resource_get_version(source->resource) >=
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WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION);
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wl_data_source_send_dnd_drop_performed(source->resource);
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}
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static void client_data_source_dnd_finish(struct wlr_data_source *wlr_source) {
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struct client_data_source *source = (struct client_data_source *)wlr_source;
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struct client_data_source *source =
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client_data_source_from_wlr_data_source(wlr_source);
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assert(wl_resource_get_version(source->resource) >=
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WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION);
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wl_data_source_send_dnd_finished(source->resource);
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@ -936,7 +936,8 @@ static void client_data_source_dnd_finish(struct wlr_data_source *wlr_source) {
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static void client_data_source_dnd_action(struct wlr_data_source *wlr_source,
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enum wl_data_device_manager_dnd_action action) {
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struct client_data_source *source = (struct client_data_source *)wlr_source;
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struct client_data_source *source =
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client_data_source_from_wlr_data_source(wlr_source);
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assert(wl_resource_get_version(source->resource) >=
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WL_DATA_SOURCE_ACTION_SINCE_VERSION);
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wl_data_source_send_action(source->resource, action);
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@ -947,6 +948,37 @@ static void data_source_destroy(struct wl_client *client,
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wl_resource_destroy(resource);
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}
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static struct client_data_source *client_data_source_create(
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struct wl_resource *source_resource) {
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struct client_data_source *source =
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calloc(1, sizeof(struct client_data_source));
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if (source == NULL) {
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return NULL;
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}
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source->resource = source_resource;
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source->impl.accept = client_data_source_accept;
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source->impl.send = client_data_source_send;
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source->impl.cancel = client_data_source_cancel;
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if (wl_resource_get_version(source->resource) >=
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WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION) {
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source->impl.dnd_drop = client_data_source_dnd_drop;
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}
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if (wl_resource_get_version(source->resource) >=
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WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) {
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source->impl.dnd_finish = client_data_source_dnd_finish;
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}
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if (wl_resource_get_version(source->resource) >=
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WL_DATA_SOURCE_ACTION_SINCE_VERSION) {
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source->impl.dnd_action = client_data_source_dnd_action;
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}
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wlr_data_source_init(&source->source, &source->impl);
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return source;
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}
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static void data_source_set_actions(struct wl_client *client,
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struct wl_resource *resource, uint32_t dnd_actions) {
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struct client_data_source *source =
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@ -1007,7 +1039,11 @@ static void data_source_resource_handle_destroy(struct wl_resource *resource) {
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free(source);
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}
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void wlr_data_source_init(struct wlr_data_source *source) {
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void wlr_data_source_init(struct wlr_data_source *source,
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const struct wlr_data_source_impl *impl) {
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assert(impl->send);
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source->impl = impl;
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wl_array_init(&source->mime_types);
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wl_signal_init(&source->events.destroy);
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source->actions = -1;
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@ -1027,6 +1063,45 @@ void wlr_data_source_finish(struct wlr_data_source *source) {
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wl_array_release(&source->mime_types);
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}
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void wlr_data_source_send(struct wlr_data_source *source, const char *mime_type,
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int32_t fd) {
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source->impl->send(source, mime_type, fd);
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}
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void wlr_data_source_accept(struct wlr_data_source *source, uint32_t serial,
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const char *mime_type) {
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source->accepted = (mime_type != NULL);
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if (source->impl->accept) {
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source->impl->accept(source, serial, mime_type);
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}
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}
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void wlr_data_source_cancel(struct wlr_data_source *source) {
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if (source->impl->cancel) {
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source->impl->cancel(source);
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}
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}
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void wlr_data_source_dnd_drop(struct wlr_data_source *source) {
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if (source->impl->dnd_drop) {
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source->impl->dnd_drop(source);
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}
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}
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void wlr_data_source_dnd_finish(struct wlr_data_source *source) {
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if (source->impl->dnd_finish) {
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source->impl->dnd_finish(source);
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}
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}
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void wlr_data_source_dnd_action(struct wlr_data_source *source,
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enum wl_data_device_manager_dnd_action action) {
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source->current_dnd_action = action;
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if (source->impl->dnd_action) {
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source->impl->dnd_action(source, action);
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}
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}
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void data_device_manager_get_data_device(struct wl_client *client,
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struct wl_resource *manager_resource, uint32_t id,
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@ -1048,40 +1123,23 @@ void data_device_manager_get_data_device(struct wl_client *client,
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static void data_device_manager_create_data_source(struct wl_client *client,
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struct wl_resource *resource, uint32_t id) {
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struct wl_resource *source_resource = wl_resource_create(client,
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&wl_data_source_interface, wl_resource_get_version(resource), id);
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if (source_resource == NULL) {
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wl_resource_post_no_memory(resource);
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return;
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}
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struct client_data_source *source =
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calloc(1, sizeof(struct client_data_source));
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client_data_source_create(source_resource);
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if (source == NULL) {
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wl_resource_destroy(source_resource);
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wl_resource_post_no_memory(resource);
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return;
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}
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wlr_data_source_init(&source->source);
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source->resource = wl_resource_create(client, &wl_data_source_interface,
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wl_resource_get_version(resource), id);
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if (source->resource == NULL) {
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free(source);
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wl_resource_post_no_memory(resource);
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return;
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}
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wl_resource_set_implementation(source->resource, &data_source_impl,
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wl_resource_set_implementation(source_resource, &data_source_impl,
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source, data_source_resource_handle_destroy);
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source->source.accept = client_data_source_accept;
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source->source.send = client_data_source_send;
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source->source.cancel = client_data_source_cancel;
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|
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if (wl_resource_get_version(source->resource) >=
|
||||
WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION) {
|
||||
source->source.dnd_drop = client_data_source_dnd_drop;
|
||||
}
|
||||
if (wl_resource_get_version(source->resource) >=
|
||||
WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) {
|
||||
source->source.dnd_finish = client_data_source_dnd_finish;
|
||||
}
|
||||
if (wl_resource_get_version(source->resource) >=
|
||||
WL_DATA_SOURCE_ACTION_SINCE_VERSION) {
|
||||
source->source.dnd_action = client_data_source_dnd_action;
|
||||
}
|
||||
}
|
||||
|
||||
static const struct wl_data_device_manager_interface
|
||||
|
|
|
|||
|
|
@ -366,9 +366,9 @@ void wlr_seat_destroy(struct wlr_seat *seat) {
|
|||
wl_list_remove(&seat->display_destroy.link);
|
||||
|
||||
if (seat->selection_source) {
|
||||
seat->selection_source->cancel(seat->selection_source);
|
||||
seat->selection_source = NULL;
|
||||
wl_list_remove(&seat->selection_source_destroy.link);
|
||||
wlr_data_source_cancel(seat->selection_source);
|
||||
seat->selection_source = NULL;
|
||||
}
|
||||
if (seat->primary_selection_source) {
|
||||
seat->primary_selection_source->cancel(seat->primary_selection_source);
|
||||
|
|
|
|||
Loading…
Reference in New Issue