Drew DeVault
7 years ago
committed by
GitHub
commit
bbf08f3ef9
@ -1,16 +0,0 @@
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#ifndef WLR_INTERFACES_WLR_DATA_SOURCE_H
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#define WLR_INTERFACES_WLR_DATA_SOURCE_H
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#include <wlr/types/wlr_data_source.h>
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struct wlr_data_source_impl {
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void (*send)(struct wlr_data_source *data_source, const char *type, int fd);
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void (*accepted)(struct wlr_data_source *data_source, const char *type);
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void (*cancelled)(struct wlr_data_source *data_source);
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};
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bool wlr_data_source_init(struct wlr_data_source *source,
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struct wlr_data_source_impl *impl);
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void wlr_data_source_finish(struct wlr_data_source *source);
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#endif
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@ -0,0 +1,89 @@
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#ifndef WLR_TYPES_WLR_DATA_DEVICE_H
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#define WLR_TYPES_WLR_DATA_DEVICE_H
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#include <wayland-server.h>
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#include <wlr/types/wlr_seat.h>
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extern const struct
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wlr_pointer_grab_interface wlr_data_device_pointer_drag_interface;
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extern const struct
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wlr_keyboard_grab_interface wlr_data_device_keyboard_drag_interface;
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struct wlr_data_device_manager {
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struct wl_global *global;
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};
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struct wlr_data_offer {
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struct wl_resource *resource;
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struct wlr_data_source *source;
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uint32_t dnd_actions;
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enum wl_data_device_manager_dnd_action preferred_dnd_action;
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bool in_ask;
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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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struct wl_resource *resource;
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struct wlr_data_offer *offer;
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struct wlr_seat_handle *seat;
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struct wl_array mime_types;
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bool accepted;
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// drag and drop
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enum wl_data_device_manager_dnd_action current_dnd_action;
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uint32_t dnd_actions;
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uint32_t compositor_action;
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bool actions_set;
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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 (*send)(struct wlr_data_source *source, const char *mime_type,
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int32_t fd);
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void (*cancel)(struct wlr_data_source *source);
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struct {
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struct wl_signal destroy;
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} events;
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};
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struct wlr_drag {
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struct wlr_seat_pointer_grab pointer_grab;
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struct wlr_seat_keyboard_grab keyboard_grab;
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struct wlr_seat_handle *handle;
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struct wlr_seat_handle *focus_handle;
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struct wlr_surface *icon;
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struct wlr_surface *focus;
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struct wlr_data_source *source;
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struct wl_listener icon_destroy;
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struct wl_listener source_destroy;
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struct wl_listener handle_unbound;
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};
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/**
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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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/**
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* Creates a new wl_data_offer if there is a wl_data_source currently set as the
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* seat selection and sends it to the client for this handle, followed by the
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* wl_data_device.selection() event.
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* If there is no current selection, the wl_data_device.selection() event will
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* carry a NULL wl_data_offer.
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* If the client does not have a wl_data_device for the seat nothing * will be
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* done.
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*/
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void wlr_seat_handle_send_selection(struct wlr_seat_handle *handle);
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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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#endif
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@ -1,26 +0,0 @@
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#ifndef WLR_TYPES_WLR_DATA_DEVICE_MANAGER_H
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#define WLR_TYPES_WLR_DATA_DEVICE_MANAGER_H
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#include <wayland-server.h>
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struct wlr_data_device_manager {
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struct wl_global *global;
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};
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struct wlr_data_device_manager *wlr_data_device_manager_create(struct wl_display *dpy);
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void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager);
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struct wlr_data_device {
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struct wlr_seat *seat;
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struct wlr_data_source *selection;
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struct wl_listener selection_destroyed;
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struct {
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struct wl_signal selection_change;
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} events;
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};
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void wlr_data_device_set_selection(struct wlr_data_device *manager,
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struct wlr_data_source *source);
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#endif
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@ -1,32 +0,0 @@
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#ifndef WLR_TYPES_WLR_DATA_SOURCE_H
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#define WLR_TYPES_WLR_DATA_SOURCE_H
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#include <wayland-server.h>
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#include <wlr/types/wlr_list.h>
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struct wlr_data_source_impl;
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struct wlr_data_source {
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struct wlr_data_source_impl *impl;
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struct wlr_list *types;
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void *data;
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struct {
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struct wl_signal destroy;
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} events;
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};
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void wlr_data_source_send(struct wlr_data_source *src, const char *type, int fd);
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void wlr_data_source_accepted(struct wlr_data_source *src, const char *type);
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void wlr_data_source_cancelled(struct wlr_data_source *src);
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struct wlr_wl_data_source {
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struct wlr_data_source base;
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struct wl_resource *resource;
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};
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struct wlr_wl_data_source *wlr_wl_data_source_create(
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struct wl_client *client,
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uint32_t version, uint32_t id);
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#endif
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@ -0,0 +1,812 @@
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#define _XOPEN_SOURCE 700
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <assert.h>
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#include <unistd.h>
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#include <wayland-server.h>
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#include <wlr/util/log.h>
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#include <wlr/types/wlr_seat.h>
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#include <wlr/types/wlr_data_device.h>
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#define ALL_ACTIONS (WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY | \
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WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE | \
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WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK)
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static uint32_t data_offer_choose_action(struct wlr_data_offer *offer) {
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uint32_t available_actions, preferred_action = 0;
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uint32_t source_actions, offer_actions;
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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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offer_actions = offer->dnd_actions;
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preferred_action = offer->preferred_dnd_action;
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} else {
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offer_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
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}
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if (wl_resource_get_version(offer->source->resource) >=
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WL_DATA_SOURCE_ACTION_SINCE_VERSION) {
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source_actions = offer->source->dnd_actions;
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} else {
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source_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
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}
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available_actions = offer_actions & source_actions;
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if (!available_actions) {
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return WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
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}
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if (offer->source->seat &&
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offer->source->compositor_action & available_actions) {
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return offer->source->compositor_action;
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}
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// If the dest side has a preferred DnD action, use it
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if ((preferred_action & available_actions) != 0) {
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return preferred_action;
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}
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// Use the first found action, in bit order
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return 1 << (ffs(available_actions) - 1);
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}
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static void data_offer_update_action(struct wlr_data_offer *offer) {
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uint32_t action;
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if (!offer->source) {
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return;
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}
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action = data_offer_choose_action(offer);
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if (offer->source->current_dnd_action == action) {
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return;
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}
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offer->source->current_dnd_action = action;
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if (offer->in_ask) {
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return;
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}
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if (wl_resource_get_version(offer->source->resource) >=
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WL_DATA_SOURCE_ACTION_SINCE_VERSION) {
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wl_data_source_send_action(offer->source->resource, action);
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}
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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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wl_data_offer_send_action(offer->resource, action);
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}
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}
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static void client_data_source_accept(struct wlr_data_source *source,
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uint32_t serial, const char *mime_type) {
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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 *source,
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const char *mime_type, int32_t fd) {
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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 *source) {
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wl_data_source_send_cancelled(source->resource);
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}
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static void data_offer_accept(struct wl_client *client,
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struct wl_resource *resource, uint32_t serial, const char *mime_type) {
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struct wlr_data_offer *offer = wl_resource_get_user_data(resource);
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if (!offer->source || offer != offer->source->offer) {
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return;
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}
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// TODO check that client is currently focused by the input device
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offer->source->accept(offer->source, serial, mime_type);
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offer->source->accepted = (mime_type != NULL);
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}
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static void data_offer_receive(struct wl_client *client,
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struct wl_resource *resource, const char *mime_type, int32_t fd) {
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struct wlr_data_offer *offer = wl_resource_get_user_data(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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} else {
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close(fd);
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}
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}
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static void data_offer_destroy(struct wl_client *client,
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struct wl_resource *resource) {
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wl_resource_destroy(resource);
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}
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static void data_source_notify_finish(struct wlr_data_source *source) {
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if (!source->actions_set) {
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return;
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}
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if (source->offer->in_ask && 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,
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source->current_dnd_action);
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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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wl_data_source_send_dnd_finished(source->resource);
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}
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source->offer = NULL;
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}
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static void data_offer_finish(struct wl_client *client,
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struct wl_resource *resource) {
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struct wlr_data_offer *offer = wl_resource_get_user_data(resource);
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if (!offer->source || offer->source->offer != offer) {
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return;
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}
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data_source_notify_finish(offer->source);
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}
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static void data_offer_set_actions(struct wl_client *client,
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struct wl_resource *resource, uint32_t dnd_actions,
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uint32_t preferred_action) {
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struct wlr_data_offer *offer = wl_resource_get_user_data(resource);
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if (dnd_actions & ~ALL_ACTIONS) {
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wl_resource_post_error(offer->resource,
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WL_DATA_OFFER_ERROR_INVALID_ACTION_MASK,
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"invalid action mask %x", dnd_actions);
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return;
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}
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if (preferred_action && (!(preferred_action & dnd_actions) ||
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__builtin_popcount(preferred_action) > 1)) {
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wl_resource_post_error(offer->resource,
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WL_DATA_OFFER_ERROR_INVALID_ACTION,
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"invalid action %x", preferred_action);
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return;
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}
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offer->dnd_actions = dnd_actions;
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offer->preferred_dnd_action = preferred_action;
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data_offer_update_action(offer);
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}
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static void data_offer_resource_destroy(struct wl_resource *resource) {
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struct wlr_data_offer *offer = wl_resource_get_user_data(resource);
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if (!offer->source) {
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goto out;
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}
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wl_list_remove(&offer->source_destroy.link);
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if (offer->source->offer != offer) {
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goto out;
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}
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// If the drag destination has version < 3, wl_data_offer.finish
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// won't be called, so do this here as a safety net, because
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// we still want the version >=3 drag source to be happy.
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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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data_source_notify_finish(offer->source);
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} else if (offer->source->resource &&
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wl_resource_get_version(offer->source->resource) >=
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WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) {
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wl_data_source_send_cancelled(offer->source->resource);
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}
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offer->source->offer = NULL;
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out:
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free(offer);
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}
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static const struct wl_data_offer_interface data_offer_impl = {
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.accept = data_offer_accept,
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.receive = data_offer_receive,
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.destroy = data_offer_destroy,
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.finish = data_offer_finish,
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.set_actions = data_offer_set_actions,
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};
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static void handle_offer_source_destroyed(struct wl_listener *listener,
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void *data) {
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struct wlr_data_offer *offer =
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wl_container_of(listener, offer, source_destroy);
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offer->source = NULL;
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}
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static struct wlr_data_offer *wlr_data_source_send_offer(
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struct wlr_data_source *source,
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struct wl_resource *target) {
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struct wlr_data_offer *offer = calloc(1, sizeof(struct wlr_data_offer));
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offer->resource =
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wl_resource_create(wl_resource_get_client(target),
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&wl_data_offer_interface,
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wl_resource_get_version(target), 0);
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if (offer->resource == NULL) {
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free(offer);
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return NULL;
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}
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wl_resource_set_implementation(offer->resource, &data_offer_impl, offer,
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data_offer_resource_destroy);
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offer->source_destroy.notify = handle_offer_source_destroyed;
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wl_signal_add(&source->events.destroy, &offer->source_destroy);
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wl_data_device_send_data_offer(target, offer->resource);
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char **p;
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wl_array_for_each(p, &source->mime_types) {
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wl_data_offer_send_offer(offer->resource, *p);
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}
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offer->source = source;
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source->offer = offer;
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source->accepted = false;
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return offer;
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}
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void wlr_seat_handle_send_selection(struct wlr_seat_handle *handle) {
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if (!handle->data_device) {
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return;
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}
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if (handle->wlr_seat->selection_source) {
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struct wlr_data_offer *offer =
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wlr_data_source_send_offer(handle->wlr_seat->selection_source,
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handle->data_device);
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wl_data_device_send_selection(handle->data_device, offer->resource);
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} else {
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wl_data_device_send_selection(handle->data_device, NULL);
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}
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}
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static void seat_handle_selection_data_source_destroy(
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struct wl_listener *listener, void *data) {
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struct wlr_seat *seat =
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wl_container_of(listener, seat, selection_data_source_destroy);
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if (seat->keyboard_state.focused_handle &&
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seat->keyboard_state.focused_surface &&
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seat->keyboard_state.focused_handle->data_device) {
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wl_data_device_send_selection(
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seat->keyboard_state.focused_handle->data_device, NULL);
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}
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seat->selection_source = NULL;
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wl_signal_emit(&seat->events.selection, seat);
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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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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_data_source_destroy.link);
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}
|
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seat->selection_source = source;
|
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seat->selection_serial = serial;
|
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|
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struct wlr_seat_handle *focused_handle =
|
||||
seat->keyboard_state.focused_handle;
|
||||
|
||||
if (focused_handle) {
|
||||
wlr_seat_handle_send_selection(focused_handle);
|
||||
}
|
||||
|
||||
wl_signal_emit(&seat->events.selection, seat);
|
||||
|
||||
if (source) {
|
||||
seat->selection_data_source_destroy.notify =
|
||||
seat_handle_selection_data_source_destroy;
|
||||
wl_signal_add(&source->events.destroy,
|
||||
&seat->selection_data_source_destroy);
|
||||
}
|
||||
}
|
||||
|
||||
static void data_device_set_selection(struct wl_client *client,
|
||||
struct wl_resource *seat_resource, struct wl_resource *source_resource,
|
||||
uint32_t serial) {
|
||||
if (!source_resource) {
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_data_source *source = wl_resource_get_user_data(source_resource);
|
||||
struct wlr_seat_handle *handle = wl_resource_get_user_data(seat_resource);
|
||||
|
||||
// TODO: store serial and check against incoming serial here
|
||||
wlr_seat_set_selection(handle->wlr_seat, source, serial);
|
||||
}
|
||||
|
||||
static void data_device_release(struct wl_client *client,
|
||||
struct wl_resource *resource) {
|
||||
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;
|
||||
wl_list_remove(&drag->handle_unbound.link);
|
||||
}
|
||||
}
|
||||
|
||||
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);
|
||||
wlr_seat_keyboard_end_grab(drag->keyboard_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;
|
||||
|
||||
if (drag->source &&
|
||||
grab->seat->pointer_state.grab_button == button &&
|
||||
state == WL_POINTER_BUTTON_STATE_RELEASED) {
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
if (grab->seat->pointer_state.button_count == 0 &&
|
||||
state == WL_POINTER_BUTTON_STATE_RELEASED) {
|
||||
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);
|
||||
}
|
||||
|
||||
const struct
|
||||
wlr_pointer_grab_interface wlr_data_device_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 keyboard_drag_enter(struct wlr_seat_keyboard_grab *grab,
|
||||
struct wlr_surface *surface) {
|
||||
// nothing has keyboard focus during drags
|
||||
}
|
||||
|
||||
static void keyboard_drag_key(struct wlr_seat_keyboard_grab *grab,
|
||||
uint32_t time, uint32_t key, uint32_t state) {
|
||||
// no keyboard input during drags
|
||||
}
|
||||
|
||||
static void keyboard_drag_modifiers(struct wlr_seat_keyboard_grab *grab,
|
||||
uint32_t mods_depressed, uint32_t mods_latched,
|
||||
uint32_t mods_locked, uint32_t group) {
|
||||
// TODO change the dnd action based on what modifier is pressed on the
|
||||
// keyboard
|
||||
}
|
||||
|
||||
static void keyboard_drag_cancel(struct wlr_seat_keyboard_grab *grab) {
|
||||
struct wlr_drag *drag = grab->data;
|
||||
wlr_drag_end(drag);
|
||||
}
|
||||
|
||||
const struct
|
||||
wlr_keyboard_grab_interface wlr_data_device_keyboard_drag_interface = {
|
||||
.enter = keyboard_drag_enter,
|
||||
.key = keyboard_drag_key,
|
||||
.modifiers = keyboard_drag_modifiers,
|
||||
.cancel = keyboard_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;
|
||||
}
|
||||
|
||||
struct wlr_seat *seat = handle->wlr_seat;
|
||||
|
||||
if (icon) {
|
||||
drag->icon = 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 = &wlr_data_device_pointer_drag_interface;
|
||||
|
||||
drag->keyboard_grab.data = drag;
|
||||
drag->keyboard_grab.interface = &wlr_data_device_keyboard_drag_interface;
|
||||
|
||||
wlr_seat_pointer_clear_focus(seat);
|
||||
|
||||
wlr_seat_keyboard_start_grab(seat, &drag->keyboard_grab);
|
||||
wlr_seat_pointer_start_grab(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_seat *seat = handle->wlr_seat;
|
||||
struct wlr_surface *origin = wl_resource_get_user_data(origin_resource);
|
||||
struct wlr_data_source *source = NULL;
|
||||
struct wlr_surface *icon = NULL;
|
||||
|
||||
bool is_pointer_grab = seat->pointer_state.button_count == 1 &&
|
||||
seat->pointer_state.grab_serial == serial &&
|
||||
seat->pointer_state.focused_surface &&
|
||||
seat->pointer_state.focused_surface == origin;
|
||||
|
||||
if (!is_pointer_grab) {
|
||||
return;
|
||||
}
|
||||
|
||||
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 (!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,
|
||||
.release = data_device_release,
|
||||
};
|
||||
|
||||
void data_device_manager_get_data_device(struct wl_client *client,
|
||||
struct wl_resource *manager_resource, uint32_t id,
|
||||
struct wl_resource *seat_resource) {
|
||||
struct wlr_seat_handle *handle = wl_resource_get_user_data(seat_resource);
|
||||
|
||||
struct wl_resource *resource =
|
||||
wl_resource_create(client,
|
||||
&wl_data_device_interface,
|
||||
wl_resource_get_version(manager_resource), id);
|
||||
if (resource == NULL) {
|
||||
wl_resource_post_no_memory(manager_resource);
|
||||
return;
|
||||
}
|
||||
|
||||
if (handle->data_device != NULL) {
|
||||
// XXX this is probably a protocol violation, but it simplfies our code
|
||||
// and it's stupid to create several data devices for the same seat.
|
||||
wl_resource_destroy(handle->data_device);
|
||||
}
|
||||
|
||||
handle->data_device = resource;
|
||||
|
||||
wl_resource_set_implementation(resource, &data_device_impl,
|
||||
handle, NULL);
|
||||
}
|
||||
|
||||
static void data_source_resource_destroy(struct wl_resource *resource) {
|
||||
struct wlr_data_source *source =
|
||||
wl_resource_get_user_data(resource);
|
||||
char **p;
|
||||
|
||||
wl_signal_emit(&source->events.destroy, source);
|
||||
|
||||
wl_array_for_each(p, &source->mime_types) {
|
||||
free(*p);
|
||||
}
|
||||
|
||||
wl_array_release(&source->mime_types);
|
||||
|
||||
free(source);
|
||||
}
|
||||
|
||||
static void data_source_destroy(struct wl_client *client,
|
||||
struct wl_resource *resource) {
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static void data_source_set_actions(struct wl_client *client,
|
||||
struct wl_resource *resource, uint32_t dnd_actions) {
|
||||
struct wlr_data_source *source =
|
||||
wl_resource_get_user_data(resource);
|
||||
|
||||
if (source->actions_set) {
|
||||
wl_resource_post_error(source->resource,
|
||||
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);
|
||||
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");
|
||||
return;
|
||||
}
|
||||
|
||||
source->dnd_actions = dnd_actions;
|
||||
source->actions_set = true;
|
||||
}
|
||||
|
||||
static void data_source_offer(struct wl_client *client,
|
||||
struct wl_resource *resource, const char *mime_type) {
|
||||
struct wlr_data_source *source =
|
||||
wl_resource_get_user_data(resource);
|
||||
char **p;
|
||||
|
||||
p = wl_array_add(&source->mime_types, sizeof *p);
|
||||
|
||||
if (p) {
|
||||
*p = strdup(mime_type);
|
||||
}
|
||||
if (!p || !*p){
|
||||
wl_resource_post_no_memory(resource);
|
||||
}
|
||||
}
|
||||
|
||||
static struct wl_data_source_interface data_source_impl = {
|
||||
.offer = data_source_offer,
|
||||
.destroy = data_source_destroy,
|
||||
.set_actions = data_source_set_actions,
|
||||
};
|
||||
|
||||
static void data_device_manager_create_data_source(struct wl_client *client,
|
||||
struct wl_resource *resource, uint32_t id) {
|
||||
struct wlr_data_source *source = calloc(1, sizeof(struct wlr_data_source));
|
||||
if (source == NULL) {
|
||||
wl_resource_post_no_memory(resource);
|
||||
return;
|
||||
}
|
||||
|
||||
source->resource =
|
||||
wl_resource_create(client, &wl_data_source_interface,
|
||||
wl_resource_get_version(resource), id);
|
||||
if (source->resource == NULL) {
|
||||
free(source);
|
||||
wl_resource_post_no_memory(resource);
|
||||
return;
|
||||
}
|
||||
|
||||
source->accept = client_data_source_accept;
|
||||
source->send = client_data_source_send;
|
||||
source->cancel = client_data_source_cancel;
|
||||
|
||||
wl_array_init(&source->mime_types);
|
||||
wl_signal_init(&source->events.destroy);
|
||||
|
||||
wl_resource_set_implementation(source->resource, &data_source_impl,
|
||||
source, data_source_resource_destroy);
|
||||
}
|
||||
|
||||
static const struct wl_data_device_manager_interface
|
||||
data_device_manager_impl = {
|
||||
.create_data_source = data_device_manager_create_data_source,
|
||||
.get_data_device = data_device_manager_get_data_device,
|
||||
};
|
||||
|
||||
static void data_device_manager_bind(struct wl_client *client,
|
||||
void *data, uint32_t version, uint32_t id) {
|
||||
struct wl_resource *resource;
|
||||
|
||||
resource = wl_resource_create(client,
|
||||
&wl_data_device_manager_interface,
|
||||
version, id);
|
||||
if (resource == NULL) {
|
||||
wl_client_post_no_memory(client);
|
||||
return;
|
||||
}
|
||||
|
||||
wl_resource_set_implementation(resource,
|
||||
&data_device_manager_impl, NULL, NULL);
|
||||
}
|
||||
|
||||
struct wlr_data_device_manager *wlr_data_device_manager_create(
|
||||
struct wl_display *display) {
|
||||
struct wlr_data_device_manager *manager =
|
||||
calloc(1, sizeof(struct wlr_data_device_manager));
|
||||
if (manager == NULL) {
|
||||
wlr_log(L_ERROR, "could not create data device manager");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
manager->global =
|
||||
wl_global_create(display, &wl_data_device_manager_interface,
|
||||
3, NULL, data_device_manager_bind);
|
||||
|
||||
if (!manager->global) {
|
||||
wlr_log(L_ERROR, "could not create data device manager wl global");
|
||||
free(manager);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return manager;
|
||||
}
|
||||
@ -1,193 +0,0 @@
|
||||
#include <assert.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <wayland-server.h>
|
||||
#include <wlr/util/log.h>
|
||||
#include <wlr/types/wlr_data_device_manager.h>
|
||||
#include <wlr/types/wlr_data_source.h>
|
||||
#include <wlr/types/wlr_seat.h>
|
||||
|
||||
static void resource_destroy(struct wl_client *client,
|
||||
struct wl_resource *resource) {
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static void data_device_start_drag(struct wl_client *client,
|
||||
struct wl_resource *res, struct wl_resource *source_resource,
|
||||
struct wl_resource *origin_res, struct wl_resource *icon_res,
|
||||
uint32_t serial) {
|
||||
wlr_log(L_DEBUG, "TODO: implement data_device:start_drag");
|
||||
|
||||
// Will probably look like this:
|
||||
// struct wlr_seat_handle *handle = wl_resource_get_user_data(res);
|
||||
// struct wlr_data_device *device = handle->wlr_seat->data_device;
|
||||
// struct wlr_data_source *src = wl_resource_get_user_data(src_res);
|
||||
// struct wlr_surface *origin = wl_resource_get_user_data(origin_res);
|
||||
// struct wlr_surface *icon;
|
||||
// if (icon_res)
|
||||
// icon = wl_resource_get_user_data(icon_res);
|
||||
// wlr_seat_start_drag(serial, device->seat, src,
|
||||
// origin, icon); // will set surface roles and emit signal for user
|
||||
}
|
||||
|
||||
static void data_device_set_selection(struct wl_client *client,
|
||||
struct wl_resource *resource, struct wl_resource *source_resource,
|
||||
uint32_t serial) {
|
||||
if (!source_resource) {
|
||||
return;
|
||||
}
|
||||
|
||||
// TODO: serial validation
|
||||
struct wlr_seat_handle *handle = wl_resource_get_user_data(resource);
|
||||
struct wlr_data_device *device = handle->wlr_seat->data_device;
|
||||
struct wlr_data_source *source = wl_resource_get_user_data(source_resource);
|
||||
wlr_data_device_set_selection(device, source);
|
||||
}
|
||||
|
||||
static struct wl_data_device_interface data_device_impl = {
|
||||
.start_drag = data_device_start_drag,
|
||||
.set_selection = data_device_set_selection,
|
||||
.release = resource_destroy
|
||||
};
|
||||
|
||||
static void data_device_selection_destroy(struct wl_listener *listener,
|
||||
void *data) {
|
||||
struct wlr_data_device *device =
|
||||
wl_container_of(listener, device, selection_destroyed);
|
||||
assert(data == device->selection);
|
||||
device->selection = NULL; // make sure no cancel is sent
|
||||
wlr_data_device_set_selection(device, NULL);
|
||||
}
|
||||
|
||||
static struct wlr_data_device *seat_ensure_data_device(
|
||||
struct wlr_data_device_manager *manager, struct wlr_seat *seat) {
|
||||
if (seat->data_device) {
|
||||
return seat->data_device;
|
||||
}
|
||||
|
||||
seat->data_device = calloc(1, sizeof(*seat->data_device));
|
||||
if (!seat->data_device) {
|
||||
wlr_log(L_ERROR, "Failed to allocate wlr_data_device");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
seat->data_device->seat = seat;
|
||||
wl_signal_init(&seat->data_device->events.selection_change);
|
||||
seat->data_device->selection_destroyed.notify =
|
||||
data_device_selection_destroy;
|
||||
return seat->data_device;
|
||||
}
|
||||
|
||||
static void data_device_destroy(struct wl_resource *resource) {
|
||||
struct wlr_seat_handle *handle = wl_resource_get_user_data(resource);
|
||||
handle->data_device = NULL;
|
||||
}
|
||||
|
||||
static void data_device_manager_create_data_source(struct wl_client *client,
|
||||
struct wl_resource *resource, uint32_t id) {
|
||||
uint32_t version = wl_resource_get_version(resource);
|
||||
if (!wlr_wl_data_source_create(client, version, id)) {
|
||||
wlr_log(L_ERROR, "Failed to create wlr_wl_data_source");
|
||||
wl_resource_post_no_memory(resource);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
static void data_device_manager_get_data_device(struct wl_client *client,
|
||||
struct wl_resource *resource, uint32_t id,
|
||||
struct wl_resource *seat_resource) {
|
||||
struct wlr_data_device_manager *manager =
|
||||
wl_resource_get_user_data(resource);
|
||||
struct wlr_seat_handle *seat_handle =
|
||||
wl_resource_get_user_data(seat_resource);
|
||||
struct wlr_data_device *device;
|
||||
if (!(device = seat_ensure_data_device(manager, seat_handle->wlr_seat))) {
|
||||
wl_resource_post_no_memory(resource);
|
||||
return;
|
||||
}
|
||||
|
||||
if (seat_handle->data_device) {
|
||||
// TODO: implement resource lists for seat related handles
|
||||
// this is a protocol violation, see the todos in wlr_seat.c
|
||||
wl_resource_destroy(seat_handle->data_device);
|
||||
}
|
||||
|
||||
seat_handle->data_device = wl_resource_create(client,
|
||||
&wl_data_device_interface, wl_resource_get_version(resource), id);
|
||||
if (!seat_handle->data_device) {
|
||||
wlr_log(L_ERROR, "Failed to create wl_data_device resource");
|
||||
wl_resource_post_no_memory(resource);
|
||||
return;
|
||||
}
|
||||
|
||||
wl_resource_set_implementation(seat_handle->data_device, &data_device_impl,
|
||||
seat_handle, data_device_destroy);
|
||||
}
|
||||
|
||||
struct wl_data_device_manager_interface data_device_manager_impl = {
|
||||
.create_data_source = data_device_manager_create_data_source,
|
||||
.get_data_device = data_device_manager_get_data_device
|
||||
};
|
||||
|
||||
static void data_device_manager_bind(struct wl_client *client, void *data,
|
||||
uint32_t version, uint32_t id) {
|
||||
struct wlr_data_device_manager *manager = data;
|
||||
assert(client && manager);
|
||||
|
||||
struct wl_resource *resource = wl_resource_create(
|
||||
client, &wl_data_device_manager_interface, version, id);
|
||||
if (!resource) {
|
||||
wlr_log(L_ERROR, "Failed to allocate wl_data_device_manager resource");
|
||||
wl_client_post_no_memory(client);
|
||||
return;
|
||||
}
|
||||
wl_resource_set_implementation(resource, &data_device_manager_impl,
|
||||
manager, NULL);
|
||||
}
|
||||
|
||||
struct wlr_data_device_manager *wlr_data_device_manager_create(
|
||||
struct wl_display *display) {
|
||||
struct wlr_data_device_manager *manager = calloc(1, sizeof(*manager));
|
||||
if (!manager) {
|
||||
wlr_log(L_ERROR, "Failed to allocated wlr_data_device_manager");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
manager->global =
|
||||
wl_global_create(display, &wl_data_device_manager_interface, 3, manager,
|
||||
data_device_manager_bind);
|
||||
|
||||
if (!manager->global) {
|
||||
wlr_log(L_ERROR, "Failed to create global for wlr_data_device_manager");
|
||||
free(manager);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return manager;
|
||||
}
|
||||
|
||||
void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager) {
|
||||
if (manager) {
|
||||
wl_global_destroy(manager->global);
|
||||
free(manager);
|
||||
}
|
||||
}
|
||||
|
||||
void wlr_data_device_set_selection(struct wlr_data_device *device,
|
||||
struct wlr_data_source *source) {
|
||||
if (device->selection == source) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (device->selection) {
|
||||
wl_list_remove(&device->selection_destroyed.link);
|
||||
wlr_data_source_cancelled(device->selection);
|
||||
}
|
||||
|
||||
device->selection = source;
|
||||
wl_signal_emit(&device->events.selection_change, device);
|
||||
|
||||
if (source) {
|
||||
wl_signal_add(&source->events.destroy, &device->selection_destroyed);
|
||||
}
|
||||
}
|
||||
@ -1,140 +0,0 @@
|
||||
#define _XOPEN_SOURCE 700
|
||||
#include <assert.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <wayland-server.h>
|
||||
#include <wlr/types/wlr_list.h>
|
||||
#include <wlr/util/log.h>
|
||||
#include <wlr/types/wlr_data_source.h>
|
||||
#include <wlr/types/wlr_data_device_manager.h>
|
||||
#include <wlr/interfaces/wlr_data_source.h>
|
||||
|
||||
bool wlr_data_source_init(struct wlr_data_source *source,
|
||||
struct wlr_data_source_impl *impl) {
|
||||
source->impl = impl;
|
||||
wl_signal_init(&source->events.destroy);
|
||||
return (source->types = wlr_list_create());
|
||||
}
|
||||
|
||||
void wlr_data_source_finish(struct wlr_data_source *source) {
|
||||
if (source) {
|
||||
wl_signal_emit(&source->events.destroy, source);
|
||||
if (source->types) {
|
||||
wlr_list_foreach(source->types, free);
|
||||
}
|
||||
wlr_list_free(source->types);
|
||||
}
|
||||
}
|
||||
|
||||
void wlr_data_source_send(struct wlr_data_source *src, const char *type,
|
||||
int fd) {
|
||||
assert(src && src->impl && src->impl->send);
|
||||
src->impl->send(src, type, fd);
|
||||
}
|
||||
|
||||
void wlr_data_source_accepted(struct wlr_data_source *src, const char *type) {
|
||||
assert(src && src->impl);
|
||||
if (src->impl->accepted) {
|
||||
src->impl->accepted(src, type);
|
||||
}
|
||||
}
|
||||
|
||||
void wlr_data_source_cancelled(struct wlr_data_source *src) {
|
||||
assert(src && src->impl);
|
||||
if (src->impl->cancelled) {
|
||||
src->impl->cancelled(src);
|
||||
}
|
||||
}
|
||||
|
||||
static void data_source_send(struct wlr_data_source *src,
|
||||
const char *type, int fd) {
|
||||
struct wlr_wl_data_source *wl_src = (struct wlr_wl_data_source *) src;
|
||||
wl_data_source_send_send(wl_src->resource, type, fd);
|
||||
close(fd);
|
||||
}
|
||||
|
||||
static void data_source_accepted(struct wlr_data_source *src,
|
||||
const char *type) {
|
||||
struct wlr_wl_data_source *wl_src = (struct wlr_wl_data_source *) src;
|
||||
wl_data_source_send_target(wl_src->resource, type);
|
||||
}
|
||||
|
||||
static void data_source_cancelled(struct wlr_data_source *src) {
|
||||
struct wlr_wl_data_source *wl_src = (struct wlr_wl_data_source *) src;
|
||||
wl_data_source_send_cancelled(wl_src->resource);
|
||||
}
|
||||
|
||||
static struct wlr_data_source_impl data_source_wl_impl = {
|
||||
.send = data_source_send,
|
||||
.accepted = data_source_accepted,
|
||||
.cancelled = data_source_cancelled,
|
||||
};
|
||||
|
||||
static void data_source_offer(struct wl_client *client,
|
||||
struct wl_resource *resource,
|
||||
const char *type) {
|
||||
struct wlr_wl_data_source *src = wl_resource_get_user_data(resource);
|
||||
char *dtype = strdup(type);
|
||||
if (!dtype) {
|
||||
wl_resource_post_no_memory(resource);
|
||||
return;
|
||||
}
|
||||
|
||||
wlr_list_add(src->base.types, dtype);
|
||||
}
|
||||
|
||||
static void data_source_destroy(struct wl_client *client,
|
||||
struct wl_resource *resource) {
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static void data_source_set_actions(struct wl_client *client,
|
||||
struct wl_resource *resource, uint32_t dnd_actions) {
|
||||
wlr_log(L_DEBUG, "TODO: data source set actions");
|
||||
}
|
||||
|
||||
static struct wl_data_source_interface wl_data_source_impl = {
|
||||
.offer = data_source_offer,
|
||||
.destroy = data_source_destroy,
|
||||
.set_actions = data_source_set_actions,
|
||||
};
|
||||
|
||||
static void destroy_wl_data_source(struct wl_resource *resource) {
|
||||
struct wlr_wl_data_source *src = wl_resource_get_user_data(resource);
|
||||
wlr_data_source_finish(&src->base);
|
||||
free(src);
|
||||
}
|
||||
|
||||
struct wlr_wl_data_source *wlr_wl_data_source_create(
|
||||
struct wl_client *client,
|
||||
uint32_t version, uint32_t id) {
|
||||
struct wlr_wl_data_source *src = calloc(1, sizeof(*src));
|
||||
if (!src) {
|
||||
wlr_log(L_ERROR, "Failed to allocator wlr_wl_data_source");
|
||||
wl_client_post_no_memory(client);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (!wlr_data_source_init(&src->base, &data_source_wl_impl)) {
|
||||
wlr_log(L_ERROR, "Failed to init wlr_wl_data_source");
|
||||
wl_client_post_no_memory(client);
|
||||
goto err;
|
||||
}
|
||||
|
||||
if (!(src->resource = wl_resource_create(client, &wl_data_source_interface,
|
||||
version, id))) {
|
||||
wlr_log(L_ERROR, "Failed to create wl_resource for wlr_wl_data_source");
|
||||
wl_client_post_no_memory(client);
|
||||
goto err;
|
||||
}
|
||||
|
||||
wl_resource_set_implementation(src->resource, &wl_data_source_impl, src,
|
||||
destroy_wl_data_source);
|
||||
return src;
|
||||
|
||||
err:
|
||||
wlr_data_source_finish(&src->base);
|
||||
free(src);
|
||||
return NULL;
|
||||
}
|
||||
Loading…
Reference in new issue