mirror of
https://gitlab.freedesktop.org/wayland/weston
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![Alexandros Frantzis](/assets/img/avatar_default.png)
Change code related to touch motion events to use struct timespec to represent time. This commit is part of a larger effort to transition the Weston codebase to struct timespec. Signed-off-by: Alexandros Frantzis <alexandros.frantzis@collabora.com> Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
1354 lines
36 KiB
C
1354 lines
36 KiB
C
/*
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* Copyright © 2011 Kristian Høgsberg
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <assert.h>
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#include "compositor.h"
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#include "shared/helpers.h"
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#include "shared/timespec-util.h"
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struct weston_drag {
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struct wl_client *client;
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struct weston_data_source *data_source;
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struct wl_listener data_source_listener;
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struct weston_view *focus;
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struct wl_resource *focus_resource;
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struct wl_listener focus_listener;
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struct weston_view *icon;
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struct wl_listener icon_destroy_listener;
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int32_t dx, dy;
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struct weston_keyboard_grab keyboard_grab;
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};
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struct weston_pointer_drag {
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struct weston_drag base;
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struct weston_pointer_grab grab;
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};
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struct weston_touch_drag {
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struct weston_drag base;
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struct weston_touch_grab grab;
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};
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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 void
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data_offer_accept(struct wl_client *client, struct wl_resource *resource,
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uint32_t serial, const char *mime_type)
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{
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struct weston_data_offer *offer = wl_resource_get_user_data(resource);
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/* Protect against untimely calls from older data offers */
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if (!offer->source || offer != offer->source->offer)
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return;
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/* FIXME: Check that client is currently focused by the input
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* device that is currently dragging this data source. Should
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* this be a wl_data_device request? */
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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
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data_offer_receive(struct wl_client *client, struct wl_resource *resource,
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const char *mime_type, int32_t fd)
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{
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struct weston_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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static void
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data_offer_destroy(struct wl_client *client, struct wl_resource *resource)
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{
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wl_resource_destroy(resource);
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}
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static void
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data_source_notify_finish(struct weston_data_source *source)
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{
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if (!source->actions_set)
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return;
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if (source->offer->in_ask &&
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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 uint32_t
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data_offer_choose_action(struct weston_data_offer *offer)
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{
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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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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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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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/* 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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/* 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
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data_offer_update_action(struct weston_data_offer *offer)
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{
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uint32_t action;
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if (!offer->source)
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return;
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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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offer->source->current_dnd_action = action;
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if (offer->in_ask)
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return;
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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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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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static void
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data_offer_set_actions(struct wl_client *client,
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struct wl_resource *resource,
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uint32_t dnd_actions, uint32_t preferred_action)
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{
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struct weston_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 &&
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(!(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
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data_offer_finish(struct wl_client *client, struct wl_resource *resource)
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{
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struct weston_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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/* Disallow finish while we have a grab driving drag-and-drop, or
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* if the negotiation is not at the right stage
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*/
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if (offer->source->seat ||
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!offer->source->accepted) {
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wl_resource_post_error(offer->resource,
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WL_DATA_OFFER_ERROR_INVALID_FINISH,
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"premature finish request");
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return;
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}
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switch (offer->source->current_dnd_action) {
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case WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE:
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case WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK:
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wl_resource_post_error(offer->resource,
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WL_DATA_OFFER_ERROR_INVALID_OFFER,
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"offer finished with an invalid action");
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return;
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default:
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break;
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}
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data_source_notify_finish(offer->source);
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}
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static const struct wl_data_offer_interface data_offer_interface = {
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data_offer_accept,
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data_offer_receive,
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data_offer_destroy,
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data_offer_finish,
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data_offer_set_actions,
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};
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static void
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destroy_data_offer(struct wl_resource *resource)
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{
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struct weston_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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wl_list_remove(&offer->source_destroy_listener.link);
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if (offer->source->offer != offer)
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goto out;
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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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*/
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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 void
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destroy_offer_data_source(struct wl_listener *listener, void *data)
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{
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struct weston_data_offer *offer;
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offer = container_of(listener, struct weston_data_offer,
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source_destroy_listener);
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offer->source = NULL;
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}
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static struct weston_data_offer *
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weston_data_source_send_offer(struct weston_data_source *source,
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struct wl_resource *target)
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{
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struct weston_data_offer *offer;
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char **p;
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offer = malloc(sizeof *offer);
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if (offer == NULL)
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return NULL;
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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_interface,
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offer, destroy_data_offer);
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offer->in_ask = false;
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offer->dnd_actions = 0;
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offer->preferred_dnd_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
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offer->source = source;
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offer->source_destroy_listener.notify = destroy_offer_data_source;
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wl_signal_add(&source->destroy_signal,
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&offer->source_destroy_listener);
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wl_data_device_send_data_offer(target, offer->resource);
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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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source->offer = offer;
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source->accepted = false;
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return offer;
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}
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static void
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data_source_offer(struct wl_client *client,
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struct wl_resource *resource,
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const char *type)
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{
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struct weston_data_source *source =
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wl_resource_get_user_data(resource);
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char **p;
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p = wl_array_add(&source->mime_types, sizeof *p);
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if (p)
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*p = strdup(type);
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if (!p || !*p)
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wl_resource_post_no_memory(resource);
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}
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static void
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data_source_destroy(struct wl_client *client, struct wl_resource *resource)
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{
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wl_resource_destroy(resource);
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}
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static void
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data_source_set_actions(struct wl_client *client,
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struct wl_resource *resource,
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uint32_t dnd_actions)
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{
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struct weston_data_source *source =
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wl_resource_get_user_data(resource);
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if (source->actions_set) {
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wl_resource_post_error(source->resource,
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WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
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"cannot set actions more than once");
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return;
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}
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if (dnd_actions & ~ALL_ACTIONS) {
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wl_resource_post_error(source->resource,
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WL_DATA_SOURCE_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 (source->seat) {
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wl_resource_post_error(source->resource,
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WL_DATA_SOURCE_ERROR_INVALID_ACTION_MASK,
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"invalid action change after "
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"wl_data_device.start_drag");
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return;
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}
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source->dnd_actions = dnd_actions;
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source->actions_set = true;
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}
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static struct wl_data_source_interface data_source_interface = {
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data_source_offer,
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data_source_destroy,
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data_source_set_actions
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};
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static void
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drag_surface_configure(struct weston_drag *drag,
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struct weston_pointer *pointer,
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struct weston_touch *touch,
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struct weston_surface *es,
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int32_t sx, int32_t sy)
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{
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struct weston_layer_entry *list;
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float fx, fy;
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assert((pointer != NULL && touch == NULL) ||
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(pointer == NULL && touch != NULL));
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if (!weston_surface_is_mapped(es) && es->buffer_ref.buffer) {
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if (pointer && pointer->sprite &&
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weston_view_is_mapped(pointer->sprite))
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list = &pointer->sprite->layer_link;
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else
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list = &es->compositor->cursor_layer.view_list;
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weston_layer_entry_remove(&drag->icon->layer_link);
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weston_layer_entry_insert(list, &drag->icon->layer_link);
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weston_view_update_transform(drag->icon);
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pixman_region32_clear(&es->pending.input);
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es->is_mapped = true;
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drag->icon->is_mapped = true;
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}
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drag->dx += sx;
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drag->dy += sy;
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/* init to 0 for avoiding a compile warning */
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fx = fy = 0;
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if (pointer) {
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fx = wl_fixed_to_double(pointer->x) + drag->dx;
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fy = wl_fixed_to_double(pointer->y) + drag->dy;
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} else if (touch) {
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fx = wl_fixed_to_double(touch->grab_x) + drag->dx;
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fy = wl_fixed_to_double(touch->grab_y) + drag->dy;
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}
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weston_view_set_position(drag->icon, fx, fy);
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}
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static int
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pointer_drag_surface_get_label(struct weston_surface *surface,
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char *buf, size_t len)
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{
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return snprintf(buf, len, "pointer drag icon");
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}
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static void
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pointer_drag_surface_committed(struct weston_surface *es,
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int32_t sx, int32_t sy)
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{
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struct weston_pointer_drag *drag = es->committed_private;
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struct weston_pointer *pointer = drag->grab.pointer;
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assert(es->committed == pointer_drag_surface_committed);
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drag_surface_configure(&drag->base, pointer, NULL, es, sx, sy);
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}
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static int
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touch_drag_surface_get_label(struct weston_surface *surface,
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char *buf, size_t len)
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{
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return snprintf(buf, len, "touch drag icon");
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}
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static void
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touch_drag_surface_committed(struct weston_surface *es, int32_t sx, int32_t sy)
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{
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struct weston_touch_drag *drag = es->committed_private;
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struct weston_touch *touch = drag->grab.touch;
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assert(es->committed == touch_drag_surface_committed);
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drag_surface_configure(&drag->base, NULL, touch, es, sx, sy);
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}
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static void
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destroy_drag_focus(struct wl_listener *listener, void *data)
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{
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struct weston_drag *drag =
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container_of(listener, struct weston_drag, focus_listener);
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drag->focus_resource = NULL;
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}
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static void
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weston_drag_set_focus(struct weston_drag *drag,
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struct weston_seat *seat,
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struct weston_view *view,
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wl_fixed_t sx, wl_fixed_t sy)
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{
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struct wl_resource *resource, *offer_resource = NULL;
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struct wl_display *display = seat->compositor->wl_display;
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struct weston_data_offer *offer;
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uint32_t serial;
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if (drag->focus && view && drag->focus->surface == view->surface) {
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drag->focus = view;
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return;
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}
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if (drag->focus_resource) {
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wl_data_device_send_leave(drag->focus_resource);
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wl_list_remove(&drag->focus_listener.link);
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drag->focus_resource = NULL;
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drag->focus = NULL;
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}
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if (!view || !view->surface->resource)
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return;
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if (!drag->data_source &&
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wl_resource_get_client(view->surface->resource) != drag->client)
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return;
|
|
|
|
if (drag->data_source &&
|
|
drag->data_source->offer) {
|
|
/* Unlink the offer from the source */
|
|
offer = drag->data_source->offer;
|
|
offer->source = NULL;
|
|
drag->data_source->offer = NULL;
|
|
wl_list_remove(&offer->source_destroy_listener.link);
|
|
}
|
|
|
|
resource = wl_resource_find_for_client(&seat->drag_resource_list,
|
|
wl_resource_get_client(view->surface->resource));
|
|
if (!resource)
|
|
return;
|
|
|
|
serial = wl_display_next_serial(display);
|
|
|
|
if (drag->data_source) {
|
|
drag->data_source->accepted = false;
|
|
offer = weston_data_source_send_offer(drag->data_source, resource);
|
|
if (offer == NULL)
|
|
return;
|
|
|
|
data_offer_update_action(offer);
|
|
|
|
offer_resource = offer->resource;
|
|
if (wl_resource_get_version (offer_resource) >=
|
|
WL_DATA_OFFER_SOURCE_ACTIONS_SINCE_VERSION) {
|
|
wl_data_offer_send_source_actions (offer_resource,
|
|
drag->data_source->dnd_actions);
|
|
}
|
|
}
|
|
|
|
wl_data_device_send_enter(resource, serial, view->surface->resource,
|
|
sx, sy, offer_resource);
|
|
|
|
drag->focus = view;
|
|
drag->focus_listener.notify = destroy_drag_focus;
|
|
wl_resource_add_destroy_listener(resource, &drag->focus_listener);
|
|
drag->focus_resource = resource;
|
|
}
|
|
|
|
static void
|
|
drag_grab_focus(struct weston_pointer_grab *grab)
|
|
{
|
|
struct weston_pointer_drag *drag =
|
|
container_of(grab, struct weston_pointer_drag, grab);
|
|
struct weston_pointer *pointer = grab->pointer;
|
|
struct weston_view *view;
|
|
wl_fixed_t sx, sy;
|
|
|
|
view = weston_compositor_pick_view(pointer->seat->compositor,
|
|
pointer->x, pointer->y,
|
|
&sx, &sy);
|
|
if (drag->base.focus != view)
|
|
weston_drag_set_focus(&drag->base, pointer->seat, view, sx, sy);
|
|
}
|
|
|
|
static void
|
|
drag_grab_motion(struct weston_pointer_grab *grab,
|
|
const struct timespec *time,
|
|
struct weston_pointer_motion_event *event)
|
|
{
|
|
struct weston_pointer_drag *drag =
|
|
container_of(grab, struct weston_pointer_drag, grab);
|
|
struct weston_pointer *pointer = drag->grab.pointer;
|
|
float fx, fy;
|
|
wl_fixed_t sx, sy;
|
|
uint32_t msecs;
|
|
|
|
weston_pointer_move(pointer, event);
|
|
|
|
if (drag->base.icon) {
|
|
fx = wl_fixed_to_double(pointer->x) + drag->base.dx;
|
|
fy = wl_fixed_to_double(pointer->y) + drag->base.dy;
|
|
weston_view_set_position(drag->base.icon, fx, fy);
|
|
weston_view_schedule_repaint(drag->base.icon);
|
|
}
|
|
|
|
if (drag->base.focus_resource) {
|
|
msecs = timespec_to_msec(time);
|
|
weston_view_from_global_fixed(drag->base.focus,
|
|
pointer->x, pointer->y,
|
|
&sx, &sy);
|
|
|
|
wl_data_device_send_motion(drag->base.focus_resource, msecs, sx, sy);
|
|
}
|
|
}
|
|
|
|
static void
|
|
data_device_end_drag_grab(struct weston_drag *drag,
|
|
struct weston_seat *seat)
|
|
{
|
|
if (drag->icon) {
|
|
if (weston_view_is_mapped(drag->icon))
|
|
weston_view_unmap(drag->icon);
|
|
|
|
drag->icon->surface->committed = NULL;
|
|
weston_surface_set_label_func(drag->icon->surface, NULL);
|
|
pixman_region32_clear(&drag->icon->surface->pending.input);
|
|
wl_list_remove(&drag->icon_destroy_listener.link);
|
|
weston_view_destroy(drag->icon);
|
|
}
|
|
|
|
weston_drag_set_focus(drag, seat, NULL, 0, 0);
|
|
}
|
|
|
|
static void
|
|
data_device_end_pointer_drag_grab(struct weston_pointer_drag *drag)
|
|
{
|
|
struct weston_pointer *pointer = drag->grab.pointer;
|
|
struct weston_keyboard *keyboard = drag->base.keyboard_grab.keyboard;
|
|
|
|
data_device_end_drag_grab(&drag->base, pointer->seat);
|
|
weston_pointer_end_grab(pointer);
|
|
weston_keyboard_end_grab(keyboard);
|
|
free(drag);
|
|
}
|
|
|
|
static void
|
|
drag_grab_button(struct weston_pointer_grab *grab,
|
|
const struct timespec *time,
|
|
uint32_t button, uint32_t state_w)
|
|
{
|
|
struct weston_pointer_drag *drag =
|
|
container_of(grab, struct weston_pointer_drag, grab);
|
|
struct weston_pointer *pointer = drag->grab.pointer;
|
|
enum wl_pointer_button_state state = state_w;
|
|
struct weston_data_source *data_source = drag->base.data_source;
|
|
|
|
if (data_source &&
|
|
pointer->grab_button == button &&
|
|
state == WL_POINTER_BUTTON_STATE_RELEASED) {
|
|
if (drag->base.focus_resource &&
|
|
data_source->accepted &&
|
|
data_source->current_dnd_action) {
|
|
wl_data_device_send_drop(drag->base.focus_resource);
|
|
|
|
if (wl_resource_get_version(data_source->resource) >=
|
|
WL_DATA_SOURCE_DND_DROP_PERFORMED_SINCE_VERSION)
|
|
wl_data_source_send_dnd_drop_performed(data_source->resource);
|
|
|
|
data_source->offer->in_ask =
|
|
data_source->current_dnd_action ==
|
|
WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK;
|
|
|
|
data_source->seat = NULL;
|
|
} else if (wl_resource_get_version(data_source->resource) >=
|
|
WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION) {
|
|
wl_data_source_send_cancelled(data_source->resource);
|
|
}
|
|
}
|
|
|
|
if (pointer->button_count == 0 &&
|
|
state == WL_POINTER_BUTTON_STATE_RELEASED) {
|
|
if (drag->base.data_source)
|
|
wl_list_remove(&drag->base.data_source_listener.link);
|
|
data_device_end_pointer_drag_grab(drag);
|
|
}
|
|
}
|
|
|
|
static void
|
|
drag_grab_axis(struct weston_pointer_grab *grab,
|
|
const struct timespec *time,
|
|
struct weston_pointer_axis_event *event)
|
|
{
|
|
}
|
|
|
|
static void
|
|
drag_grab_axis_source(struct weston_pointer_grab *grab, uint32_t source)
|
|
{
|
|
}
|
|
|
|
static void
|
|
drag_grab_frame(struct weston_pointer_grab *grab)
|
|
{
|
|
}
|
|
|
|
static void
|
|
drag_grab_cancel(struct weston_pointer_grab *grab)
|
|
{
|
|
struct weston_pointer_drag *drag =
|
|
container_of(grab, struct weston_pointer_drag, grab);
|
|
|
|
if (drag->base.data_source)
|
|
wl_list_remove(&drag->base.data_source_listener.link);
|
|
|
|
data_device_end_pointer_drag_grab(drag);
|
|
}
|
|
|
|
static const struct weston_pointer_grab_interface pointer_drag_grab_interface = {
|
|
drag_grab_focus,
|
|
drag_grab_motion,
|
|
drag_grab_button,
|
|
drag_grab_axis,
|
|
drag_grab_axis_source,
|
|
drag_grab_frame,
|
|
drag_grab_cancel,
|
|
};
|
|
|
|
static void
|
|
drag_grab_touch_down(struct weston_touch_grab *grab,
|
|
const struct timespec *time, int touch_id,
|
|
wl_fixed_t sx, wl_fixed_t sy)
|
|
{
|
|
}
|
|
|
|
static void
|
|
data_device_end_touch_drag_grab(struct weston_touch_drag *drag)
|
|
{
|
|
struct weston_touch *touch = drag->grab.touch;
|
|
struct weston_keyboard *keyboard = drag->base.keyboard_grab.keyboard;
|
|
|
|
data_device_end_drag_grab(&drag->base, touch->seat);
|
|
weston_touch_end_grab(touch);
|
|
weston_keyboard_end_grab(keyboard);
|
|
free(drag);
|
|
}
|
|
|
|
static void
|
|
drag_grab_touch_up(struct weston_touch_grab *grab,
|
|
const struct timespec *time, int touch_id)
|
|
{
|
|
struct weston_touch_drag *touch_drag =
|
|
container_of(grab, struct weston_touch_drag, grab);
|
|
struct weston_touch *touch = grab->touch;
|
|
|
|
if (touch_id != touch->grab_touch_id)
|
|
return;
|
|
|
|
if (touch_drag->base.focus_resource)
|
|
wl_data_device_send_drop(touch_drag->base.focus_resource);
|
|
if (touch_drag->base.data_source)
|
|
wl_list_remove(&touch_drag->base.data_source_listener.link);
|
|
data_device_end_touch_drag_grab(touch_drag);
|
|
}
|
|
|
|
static void
|
|
drag_grab_touch_focus(struct weston_touch_drag *drag)
|
|
{
|
|
struct weston_touch *touch = drag->grab.touch;
|
|
struct weston_view *view;
|
|
wl_fixed_t view_x, view_y;
|
|
|
|
view = weston_compositor_pick_view(touch->seat->compositor,
|
|
touch->grab_x, touch->grab_y,
|
|
&view_x, &view_y);
|
|
if (drag->base.focus != view)
|
|
weston_drag_set_focus(&drag->base, touch->seat,
|
|
view, view_x, view_y);
|
|
}
|
|
|
|
static void
|
|
drag_grab_touch_motion(struct weston_touch_grab *grab,
|
|
const struct timespec *time,
|
|
int touch_id, wl_fixed_t x, wl_fixed_t y)
|
|
{
|
|
struct weston_touch_drag *touch_drag =
|
|
container_of(grab, struct weston_touch_drag, grab);
|
|
struct weston_touch *touch = grab->touch;
|
|
wl_fixed_t view_x, view_y;
|
|
float fx, fy;
|
|
uint32_t msecs;
|
|
|
|
if (touch_id != touch->grab_touch_id)
|
|
return;
|
|
|
|
drag_grab_touch_focus(touch_drag);
|
|
if (touch_drag->base.icon) {
|
|
fx = wl_fixed_to_double(touch->grab_x) + touch_drag->base.dx;
|
|
fy = wl_fixed_to_double(touch->grab_y) + touch_drag->base.dy;
|
|
weston_view_set_position(touch_drag->base.icon, fx, fy);
|
|
weston_view_schedule_repaint(touch_drag->base.icon);
|
|
}
|
|
|
|
if (touch_drag->base.focus_resource) {
|
|
msecs = timespec_to_msec(time);
|
|
weston_view_from_global_fixed(touch_drag->base.focus,
|
|
touch->grab_x, touch->grab_y,
|
|
&view_x, &view_y);
|
|
wl_data_device_send_motion(touch_drag->base.focus_resource,
|
|
msecs, view_x, view_y);
|
|
}
|
|
}
|
|
|
|
static void
|
|
drag_grab_touch_frame(struct weston_touch_grab *grab)
|
|
{
|
|
}
|
|
|
|
static void
|
|
drag_grab_touch_cancel(struct weston_touch_grab *grab)
|
|
{
|
|
struct weston_touch_drag *touch_drag =
|
|
container_of(grab, struct weston_touch_drag, grab);
|
|
|
|
if (touch_drag->base.data_source)
|
|
wl_list_remove(&touch_drag->base.data_source_listener.link);
|
|
data_device_end_touch_drag_grab(touch_drag);
|
|
}
|
|
|
|
static const struct weston_touch_grab_interface touch_drag_grab_interface = {
|
|
drag_grab_touch_down,
|
|
drag_grab_touch_up,
|
|
drag_grab_touch_motion,
|
|
drag_grab_touch_frame,
|
|
drag_grab_touch_cancel
|
|
};
|
|
|
|
static void
|
|
drag_grab_keyboard_key(struct weston_keyboard_grab *grab,
|
|
const struct timespec *time, uint32_t key, uint32_t state)
|
|
{
|
|
}
|
|
|
|
static void
|
|
drag_grab_keyboard_modifiers(struct weston_keyboard_grab *grab,
|
|
uint32_t serial, uint32_t mods_depressed,
|
|
uint32_t mods_latched,
|
|
uint32_t mods_locked, uint32_t group)
|
|
{
|
|
struct weston_keyboard *keyboard = grab->keyboard;
|
|
struct weston_drag *drag =
|
|
container_of(grab, struct weston_drag, keyboard_grab);
|
|
uint32_t compositor_action;
|
|
|
|
if (mods_depressed & (1 << keyboard->xkb_info->shift_mod))
|
|
compositor_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE;
|
|
else if (mods_depressed & (1 << keyboard->xkb_info->ctrl_mod))
|
|
compositor_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
|
|
else
|
|
compositor_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
|
|
|
|
drag->data_source->compositor_action = compositor_action;
|
|
|
|
if (drag->data_source->offer)
|
|
data_offer_update_action(drag->data_source->offer);
|
|
}
|
|
|
|
static void
|
|
drag_grab_keyboard_cancel(struct weston_keyboard_grab *grab)
|
|
{
|
|
struct weston_drag *drag =
|
|
container_of(grab, struct weston_drag, keyboard_grab);
|
|
struct weston_pointer *pointer = grab->keyboard->seat->pointer_state;
|
|
struct weston_touch *touch = grab->keyboard->seat->touch_state;
|
|
|
|
if (pointer && pointer->grab->interface == &pointer_drag_grab_interface) {
|
|
struct weston_touch_drag *touch_drag =
|
|
(struct weston_touch_drag *) drag;
|
|
drag_grab_touch_cancel(&touch_drag->grab);
|
|
} else if (touch && touch->grab->interface == &touch_drag_grab_interface) {
|
|
struct weston_pointer_drag *pointer_drag =
|
|
(struct weston_pointer_drag *) drag;
|
|
drag_grab_cancel(&pointer_drag->grab);
|
|
}
|
|
}
|
|
|
|
static const struct weston_keyboard_grab_interface keyboard_drag_grab_interface = {
|
|
drag_grab_keyboard_key,
|
|
drag_grab_keyboard_modifiers,
|
|
drag_grab_keyboard_cancel
|
|
};
|
|
|
|
static void
|
|
destroy_pointer_data_device_source(struct wl_listener *listener, void *data)
|
|
{
|
|
struct weston_pointer_drag *drag = container_of(listener,
|
|
struct weston_pointer_drag, base.data_source_listener);
|
|
|
|
data_device_end_pointer_drag_grab(drag);
|
|
}
|
|
|
|
static void
|
|
handle_drag_icon_destroy(struct wl_listener *listener, void *data)
|
|
{
|
|
struct weston_drag *drag = container_of(listener, struct weston_drag,
|
|
icon_destroy_listener);
|
|
|
|
drag->icon = NULL;
|
|
}
|
|
|
|
WL_EXPORT int
|
|
weston_pointer_start_drag(struct weston_pointer *pointer,
|
|
struct weston_data_source *source,
|
|
struct weston_surface *icon,
|
|
struct wl_client *client)
|
|
{
|
|
struct weston_pointer_drag *drag;
|
|
struct weston_keyboard *keyboard =
|
|
weston_seat_get_keyboard(pointer->seat);
|
|
|
|
drag = zalloc(sizeof *drag);
|
|
if (drag == NULL)
|
|
return -1;
|
|
|
|
drag->grab.interface = &pointer_drag_grab_interface;
|
|
drag->base.keyboard_grab.interface = &keyboard_drag_grab_interface;
|
|
drag->base.client = client;
|
|
drag->base.data_source = source;
|
|
|
|
if (icon) {
|
|
drag->base.icon = weston_view_create(icon);
|
|
if (drag->base.icon == NULL) {
|
|
free(drag);
|
|
return -1;
|
|
}
|
|
|
|
drag->base.icon_destroy_listener.notify = handle_drag_icon_destroy;
|
|
wl_signal_add(&icon->destroy_signal,
|
|
&drag->base.icon_destroy_listener);
|
|
|
|
icon->committed = pointer_drag_surface_committed;
|
|
icon->committed_private = drag;
|
|
weston_surface_set_label_func(icon,
|
|
pointer_drag_surface_get_label);
|
|
} else {
|
|
drag->base.icon = NULL;
|
|
}
|
|
|
|
if (source) {
|
|
drag->base.data_source_listener.notify = destroy_pointer_data_device_source;
|
|
wl_signal_add(&source->destroy_signal,
|
|
&drag->base.data_source_listener);
|
|
}
|
|
|
|
weston_pointer_clear_focus(pointer);
|
|
weston_keyboard_set_focus(keyboard, NULL);
|
|
|
|
weston_pointer_start_grab(pointer, &drag->grab);
|
|
weston_keyboard_start_grab(keyboard, &drag->base.keyboard_grab);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
destroy_touch_data_device_source(struct wl_listener *listener, void *data)
|
|
{
|
|
struct weston_touch_drag *drag = container_of(listener,
|
|
struct weston_touch_drag, base.data_source_listener);
|
|
|
|
data_device_end_touch_drag_grab(drag);
|
|
}
|
|
|
|
WL_EXPORT int
|
|
weston_touch_start_drag(struct weston_touch *touch,
|
|
struct weston_data_source *source,
|
|
struct weston_surface *icon,
|
|
struct wl_client *client)
|
|
{
|
|
struct weston_touch_drag *drag;
|
|
struct weston_keyboard *keyboard =
|
|
weston_seat_get_keyboard(touch->seat);
|
|
|
|
drag = zalloc(sizeof *drag);
|
|
if (drag == NULL)
|
|
return -1;
|
|
|
|
drag->grab.interface = &touch_drag_grab_interface;
|
|
drag->base.client = client;
|
|
drag->base.data_source = source;
|
|
|
|
if (icon) {
|
|
drag->base.icon = weston_view_create(icon);
|
|
if (drag->base.icon == NULL) {
|
|
free(drag);
|
|
return -1;
|
|
}
|
|
|
|
drag->base.icon_destroy_listener.notify = handle_drag_icon_destroy;
|
|
wl_signal_add(&icon->destroy_signal,
|
|
&drag->base.icon_destroy_listener);
|
|
|
|
icon->committed = touch_drag_surface_committed;
|
|
icon->committed_private = drag;
|
|
weston_surface_set_label_func(icon,
|
|
touch_drag_surface_get_label);
|
|
} else {
|
|
drag->base.icon = NULL;
|
|
}
|
|
|
|
if (source) {
|
|
drag->base.data_source_listener.notify = destroy_touch_data_device_source;
|
|
wl_signal_add(&source->destroy_signal,
|
|
&drag->base.data_source_listener);
|
|
}
|
|
|
|
weston_keyboard_set_focus(keyboard, NULL);
|
|
|
|
weston_touch_start_grab(touch, &drag->grab);
|
|
weston_keyboard_start_grab(keyboard, &drag->base.keyboard_grab);
|
|
|
|
drag_grab_touch_focus(drag);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
data_device_start_drag(struct wl_client *client, struct wl_resource *resource,
|
|
struct wl_resource *source_resource,
|
|
struct wl_resource *origin_resource,
|
|
struct wl_resource *icon_resource, uint32_t serial)
|
|
{
|
|
struct weston_seat *seat = wl_resource_get_user_data(resource);
|
|
struct weston_pointer *pointer = weston_seat_get_pointer(seat);
|
|
struct weston_touch *touch = weston_seat_get_touch(seat);
|
|
struct weston_surface *origin = wl_resource_get_user_data(origin_resource);
|
|
struct weston_data_source *source = NULL;
|
|
struct weston_surface *icon = NULL;
|
|
int is_pointer_grab, is_touch_grab;
|
|
int32_t ret = 0;
|
|
|
|
is_pointer_grab = pointer &&
|
|
pointer->button_count == 1 &&
|
|
pointer->grab_serial == serial &&
|
|
pointer->focus &&
|
|
pointer->focus->surface == origin;
|
|
|
|
is_touch_grab = touch &&
|
|
touch->num_tp == 1 &&
|
|
touch->grab_serial == serial &&
|
|
touch->focus &&
|
|
touch->focus->surface == origin;
|
|
|
|
if (!is_pointer_grab && !is_touch_grab)
|
|
return;
|
|
|
|
/* FIXME: Check that the data source type array isn't empty. */
|
|
|
|
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 (weston_surface_set_role(icon, "wl_data_device-icon",
|
|
resource,
|
|
WL_DATA_DEVICE_ERROR_ROLE) < 0)
|
|
return;
|
|
}
|
|
|
|
if (is_pointer_grab)
|
|
ret = weston_pointer_start_drag(pointer, source, icon, client);
|
|
else if (is_touch_grab)
|
|
ret = weston_touch_start_drag(touch, source, icon, client);
|
|
|
|
if (ret < 0)
|
|
wl_resource_post_no_memory(resource);
|
|
else
|
|
source->seat = seat;
|
|
}
|
|
|
|
static void
|
|
destroy_selection_data_source(struct wl_listener *listener, void *data)
|
|
{
|
|
struct weston_seat *seat = container_of(listener, struct weston_seat,
|
|
selection_data_source_listener);
|
|
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
|
struct wl_resource *data_device;
|
|
struct weston_surface *focus = NULL;
|
|
|
|
seat->selection_data_source = NULL;
|
|
|
|
if (keyboard)
|
|
focus = keyboard->focus;
|
|
if (focus && focus->resource) {
|
|
data_device = wl_resource_find_for_client(&seat->drag_resource_list,
|
|
wl_resource_get_client(focus->resource));
|
|
if (data_device)
|
|
wl_data_device_send_selection(data_device, NULL);
|
|
}
|
|
|
|
wl_signal_emit(&seat->selection_signal, seat);
|
|
}
|
|
|
|
/** \brief Send the selection to the specified client
|
|
*
|
|
* This function creates a new wl_data_offer if there is a wl_data_source
|
|
* currently set as the selection and sends it to the specified client,
|
|
* followed by the wl_data_device.selection() event.
|
|
* If there is no current selection the wl_data_device.selection() event
|
|
* will carry a NULL wl_data_offer.
|
|
*
|
|
* If the client does not have a wl_data_device for the specified seat
|
|
* nothing will be done.
|
|
*
|
|
* \param seat The seat owning the wl_data_device used to send the events.
|
|
* \param client The client to which to send the selection.
|
|
*/
|
|
WL_EXPORT void
|
|
weston_seat_send_selection(struct weston_seat *seat, struct wl_client *client)
|
|
{
|
|
struct weston_data_offer *offer;
|
|
struct wl_resource *data_device;
|
|
|
|
wl_resource_for_each(data_device, &seat->drag_resource_list) {
|
|
if (wl_resource_get_client(data_device) != client)
|
|
continue;
|
|
|
|
if (seat->selection_data_source) {
|
|
offer = weston_data_source_send_offer(seat->selection_data_source,
|
|
data_device);
|
|
wl_data_device_send_selection(data_device, offer->resource);
|
|
} else {
|
|
wl_data_device_send_selection(data_device, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
WL_EXPORT void
|
|
weston_seat_set_selection(struct weston_seat *seat,
|
|
struct weston_data_source *source, uint32_t serial)
|
|
{
|
|
struct weston_surface *focus = NULL;
|
|
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
|
|
|
if (seat->selection_data_source &&
|
|
seat->selection_serial - serial < UINT32_MAX / 2)
|
|
return;
|
|
|
|
if (seat->selection_data_source) {
|
|
seat->selection_data_source->cancel(seat->selection_data_source);
|
|
wl_list_remove(&seat->selection_data_source_listener.link);
|
|
seat->selection_data_source = NULL;
|
|
}
|
|
|
|
seat->selection_data_source = source;
|
|
seat->selection_serial = serial;
|
|
|
|
if (keyboard)
|
|
focus = keyboard->focus;
|
|
if (focus && focus->resource) {
|
|
weston_seat_send_selection(seat, wl_resource_get_client(focus->resource));
|
|
}
|
|
|
|
wl_signal_emit(&seat->selection_signal, seat);
|
|
|
|
if (source) {
|
|
seat->selection_data_source_listener.notify =
|
|
destroy_selection_data_source;
|
|
wl_signal_add(&source->destroy_signal,
|
|
&seat->selection_data_source_listener);
|
|
}
|
|
}
|
|
|
|
static void
|
|
data_device_set_selection(struct wl_client *client,
|
|
struct wl_resource *resource,
|
|
struct wl_resource *source_resource, uint32_t serial)
|
|
{
|
|
struct weston_data_source *source;
|
|
|
|
if (!source_resource)
|
|
return;
|
|
|
|
source = wl_resource_get_user_data(source_resource);
|
|
|
|
if (source->actions_set) {
|
|
wl_resource_post_error(source_resource,
|
|
WL_DATA_SOURCE_ERROR_INVALID_SOURCE,
|
|
"cannot set drag-and-drop source as selection");
|
|
return;
|
|
}
|
|
|
|
/* FIXME: Store serial and check against incoming serial here. */
|
|
weston_seat_set_selection(wl_resource_get_user_data(resource),
|
|
source, serial);
|
|
}
|
|
static void
|
|
data_device_release(struct wl_client *client, struct wl_resource *resource)
|
|
{
|
|
wl_resource_destroy(resource);
|
|
}
|
|
|
|
static const struct wl_data_device_interface data_device_interface = {
|
|
data_device_start_drag,
|
|
data_device_set_selection,
|
|
data_device_release
|
|
};
|
|
|
|
static void
|
|
destroy_data_source(struct wl_resource *resource)
|
|
{
|
|
struct weston_data_source *source =
|
|
wl_resource_get_user_data(resource);
|
|
char **p;
|
|
|
|
wl_signal_emit(&source->destroy_signal, source);
|
|
|
|
wl_array_for_each(p, &source->mime_types)
|
|
free(*p);
|
|
|
|
wl_array_release(&source->mime_types);
|
|
|
|
free(source);
|
|
}
|
|
|
|
static void
|
|
client_source_accept(struct weston_data_source *source,
|
|
uint32_t time, const char *mime_type)
|
|
{
|
|
wl_data_source_send_target(source->resource, mime_type);
|
|
}
|
|
|
|
static void
|
|
client_source_send(struct weston_data_source *source,
|
|
const char *mime_type, int32_t fd)
|
|
{
|
|
wl_data_source_send_send(source->resource, mime_type, fd);
|
|
close(fd);
|
|
}
|
|
|
|
static void
|
|
client_source_cancel(struct weston_data_source *source)
|
|
{
|
|
wl_data_source_send_cancelled(source->resource);
|
|
}
|
|
|
|
static void
|
|
create_data_source(struct wl_client *client,
|
|
struct wl_resource *resource, uint32_t id)
|
|
{
|
|
struct weston_data_source *source;
|
|
|
|
source = malloc(sizeof *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;
|
|
}
|
|
|
|
wl_signal_init(&source->destroy_signal);
|
|
source->accept = client_source_accept;
|
|
source->send = client_source_send;
|
|
source->cancel = client_source_cancel;
|
|
source->offer = NULL;
|
|
source->accepted = false;
|
|
source->seat = NULL;
|
|
source->actions_set = false;
|
|
source->dnd_actions = 0;
|
|
source->current_dnd_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
|
|
source->compositor_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
|
|
|
|
wl_array_init(&source->mime_types);
|
|
|
|
wl_resource_set_implementation(source->resource, &data_source_interface,
|
|
source, destroy_data_source);
|
|
}
|
|
|
|
static void unbind_data_device(struct wl_resource *resource)
|
|
{
|
|
wl_list_remove(wl_resource_get_link(resource));
|
|
}
|
|
|
|
static void
|
|
get_data_device(struct wl_client *client,
|
|
struct wl_resource *manager_resource,
|
|
uint32_t id, struct wl_resource *seat_resource)
|
|
{
|
|
struct weston_seat *seat = wl_resource_get_user_data(seat_resource);
|
|
struct wl_resource *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;
|
|
}
|
|
|
|
wl_list_insert(&seat->drag_resource_list,
|
|
wl_resource_get_link(resource));
|
|
wl_resource_set_implementation(resource, &data_device_interface,
|
|
seat, unbind_data_device);
|
|
}
|
|
|
|
static const struct wl_data_device_manager_interface manager_interface = {
|
|
create_data_source,
|
|
get_data_device
|
|
};
|
|
|
|
static void
|
|
bind_manager(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, &manager_interface,
|
|
NULL, NULL);
|
|
}
|
|
|
|
WL_EXPORT void
|
|
wl_data_device_set_keyboard_focus(struct weston_seat *seat)
|
|
{
|
|
struct weston_surface *focus;
|
|
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat);
|
|
|
|
if (!keyboard)
|
|
return;
|
|
|
|
focus = keyboard->focus;
|
|
if (!focus || !focus->resource)
|
|
return;
|
|
|
|
weston_seat_send_selection(seat, wl_resource_get_client(focus->resource));
|
|
}
|
|
|
|
WL_EXPORT int
|
|
wl_data_device_manager_init(struct wl_display *display)
|
|
{
|
|
if (wl_global_create(display,
|
|
&wl_data_device_manager_interface, 3,
|
|
NULL, bind_manager) == NULL)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|