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enlightenment/src/bin/e_comp_wl_data.c

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/*
* Copyright © 2011 Kristian Høgsberg
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#define EXECUTIVE_MODE_ENABLED
#define E_COMP_WL
#include "e.h"
#if defined(__clang__)
# pragma clang diagnostic ignored "-Wunused-parameter"
#elif (__GNUC__ == 4 && __GNUC_MINOR__ >= 6) || __GNUC__ > 4
# pragma GCC diagnostic ignored "-Wunused-parameter"
#endif
#define ALL_ACTIONS (WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY | \
WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE | \
WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK)
static void
_mime_types_free(E_Comp_Wl_Data_Source *source)
{
if (!source->mime_types) return;
while (eina_array_count(source->mime_types))
eina_stringshare_del(eina_array_pop(source->mime_types));
eina_array_free(source->mime_types);
}
static void
_e_comp_wl_data_offer_cb_accept(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, uint32_t serial, const char *mime_type)
{
E_Comp_Wl_Data_Offer *offer;
DBG("Data Offer Accept");
if (!(offer = wl_resource_get_user_data(resource)))
return;
/* Protect against untimely calls from older data offers */
if ((!offer->source) || (offer != offer->source->offer))
return;
offer->source->target(offer->source, serial, mime_type);
offer->source->accepted = !!mime_type;
}
static void
_e_comp_wl_data_offer_cb_receive(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, const char *mime_type, int32_t fd)
{
E_Comp_Wl_Data_Offer *offer;
DBG("Data Offer Receive");
if (!(offer = wl_resource_get_user_data(resource)))
return;
if (offer->source)
offer->source->send(offer->source, mime_type, fd);
else
close(fd);
}
/* called by wl_data_offer_destroy */
static void
_e_comp_wl_data_offer_cb_destroy(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
{
DBG("Data Offer Destroy");
wl_resource_destroy(resource);
}
static void
data_source_notify_finish(E_Comp_Wl_Data_Source *source)
{
if (!source->actions_set)
return;
if (source->offer->in_ask &&
wl_resource_get_version(source->resource) >=
WL_DATA_SOURCE_ACTION_SINCE_VERSION)
{
wl_data_source_send_action(source->resource,
source->current_dnd_action);
}
if (wl_resource_get_version(source->resource) >=
WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION)
{
wl_data_source_send_dnd_finished(source->resource);
}
source->offer = NULL;
}
static uint32_t
data_offer_choose_action(E_Comp_Wl_Data_Offer *offer)
{
uint32_t available_actions, preferred_action = 0;
uint32_t source_actions, offer_actions;
if (wl_resource_get_version(offer->resource) >=
WL_DATA_OFFER_ACTION_SINCE_VERSION)
{
offer_actions = offer->dnd_actions;
preferred_action = offer->preferred_dnd_action;
}
else
{
offer_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
}
if (wl_resource_get_version(offer->source->resource) >=
WL_DATA_SOURCE_ACTION_SINCE_VERSION)
source_actions = offer->source->dnd_actions;
else
source_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
available_actions = offer_actions & source_actions;
if (!available_actions)
return WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
if ( //offer->source->seat &&
offer->source->compositor_action & available_actions)
return offer->source->compositor_action;
/* If the dest side has a preferred DnD action, use it */
if ((preferred_action & available_actions) != 0)
return preferred_action;
/* Use the first found action, in bit order */
return 1 << (ffs(available_actions) - 1);
}
static void
data_offer_update_action(E_Comp_Wl_Data_Offer *offer)
{
uint32_t action;
if (!offer->source)
return;
action = data_offer_choose_action(offer);
if (offer->source->current_dnd_action == action)
return;
offer->source->current_dnd_action = action;
if (offer->in_ask)
return;
if (wl_resource_get_version(offer->source->resource) >=
WL_DATA_SOURCE_ACTION_SINCE_VERSION)
wl_data_source_send_action(offer->source->resource, action);
if (wl_resource_get_version(offer->resource) >=
WL_DATA_OFFER_ACTION_SINCE_VERSION)
wl_data_offer_send_action(offer->resource, action);
}
static void
data_offer_set_actions(struct wl_client *client,
struct wl_resource *resource,
uint32_t dnd_actions, uint32_t preferred_action)
{
E_Comp_Wl_Data_Offer *offer = wl_resource_get_user_data(resource);
if (dnd_actions & ~ALL_ACTIONS)
{
wl_resource_post_error(offer->resource,
WL_DATA_OFFER_ERROR_INVALID_ACTION_MASK,
"invalid action mask %x", dnd_actions);
return;
}
if (preferred_action &&
(!(preferred_action & dnd_actions) ||
__builtin_popcount(preferred_action) > 1))
{
wl_resource_post_error(offer->resource,
WL_DATA_OFFER_ERROR_INVALID_ACTION,
"invalid action %x", preferred_action);
return;
}
offer->dnd_actions = dnd_actions;
offer->preferred_dnd_action = preferred_action;
data_offer_update_action(offer);
}
static void
data_offer_finish(struct wl_client *client, struct wl_resource *resource)
{
E_Comp_Wl_Data_Offer *offer = wl_resource_get_user_data(resource);
if (!offer->source || offer->source->offer != offer)
return;
/* Disallow finish while we have a grab driving drag-and-drop, or
* if the negotiation is not at the right stage
*/
if ( //offer->source->seat ||
!offer->source->accepted)
{
wl_resource_post_error(offer->resource,
WL_DATA_OFFER_ERROR_INVALID_FINISH,
"premature finish request");
return;
}
switch (offer->source->current_dnd_action)
{
case WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE:
case WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK:
wl_resource_post_error(offer->resource,
WL_DATA_OFFER_ERROR_INVALID_OFFER,
"offer finished with an invalid action");
return;
default:
break;
}
data_source_notify_finish(offer->source);
}
/* called by wl_resource_destroy */
static void
_e_comp_wl_data_offer_cb_resource_destroy(struct wl_resource *resource)
{
E_Comp_Wl_Data_Offer *offer = wl_resource_get_user_data(resource);
if (!offer->source)
goto out;
wl_list_remove(&offer->source_destroy_listener.link);
if (offer->source->offer != offer)
goto out;
/* If the drag destination has version < 3, wl_data_offer.finish
* won't be called, so do this here as a safety net, because
* we still want the version >=3 drag source to be happy.
*/
if (wl_resource_get_version(offer->resource) <
WL_DATA_OFFER_ACTION_SINCE_VERSION)
{
data_source_notify_finish(offer->source);
}
else if (offer->source->resource &&
wl_resource_get_version(offer->source->resource) >=
WL_DATA_SOURCE_DND_FINISHED_SINCE_VERSION)
{
wl_data_source_send_cancelled(offer->source->resource);
}
offer->source->offer = NULL;
out:
free(offer);
}
/* called by emission of source->destroy_signal */
static void
_e_comp_wl_data_offer_cb_source_destroy(struct wl_listener *listener, void *data EINA_UNUSED)
{
E_Comp_Wl_Data_Offer *offer;
DBG("Data Offer Source Destroy");
if (!listener) return;
offer = container_of(listener, E_Comp_Wl_Data_Offer,
source_destroy_listener);
offer->source = NULL;
}
static const struct wl_data_offer_interface _e_data_offer_interface =
{
_e_comp_wl_data_offer_cb_accept,
_e_comp_wl_data_offer_cb_receive,
_e_comp_wl_data_offer_cb_destroy,
data_offer_finish,
data_offer_set_actions,
};
static void
_e_comp_wl_data_source_cb_offer(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, const char *mime_type)
{
E_Comp_Wl_Data_Source *source;
DBG("Data Source Offer");
if (!(source = wl_resource_get_user_data(resource)))
return;
if (!source->mime_types)
source->mime_types = eina_array_new(1);
eina_array_push(source->mime_types, eina_stringshare_add(mime_type));
}
/* called by wl_data_source_destroy */
static void
_e_comp_wl_data_source_cb_destroy(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
{
DBG("Data Source Destroy");
wl_resource_destroy(resource);
}
static void
data_source_set_actions(struct wl_client *client,
struct wl_resource *resource,
uint32_t dnd_actions)
{
E_Comp_Wl_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;
}
/* FIXME
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 = 1;
}
/* called by wl_resource_destroy */
static void
_e_comp_wl_data_source_cb_resource_destroy(struct wl_resource *resource)
{
E_Comp_Wl_Data_Source *source;
if (!(source = wl_resource_get_user_data(resource)))
return;
wl_signal_emit(&source->destroy_signal, source);
_mime_types_free(source);
if (e_comp_wl->drag_source == source)
{
//free the drag here
e_object_del(E_OBJECT(e_comp_wl->drag));
e_comp_wl->drag = NULL;
}
free(source);
}
static void
_e_comp_wl_data_source_target_send(E_Comp_Wl_Data_Source *source, uint32_t serial EINA_UNUSED, const char *mime_type)
{
DBG("Data Source Target Send");
wl_data_source_send_target(source->resource, mime_type);
}
static void
_e_comp_wl_data_source_send_send(E_Comp_Wl_Data_Source *source, const char *mime_type, int32_t fd)
{
DBG("Data Source Source Send");
wl_data_source_send_send(source->resource, mime_type, fd);
close(fd);
}
static void
_e_comp_wl_data_source_cancelled_send(E_Comp_Wl_Data_Source *source)
{
DBG("Data Source Cancelled Send");
wl_data_source_send_cancelled(source->resource);
}
static const struct wl_data_source_interface _e_data_source_interface =
{
_e_comp_wl_data_source_cb_offer,
_e_comp_wl_data_source_cb_destroy,
data_source_set_actions,
};
static void
_e_comp_wl_data_device_destroy_selection_data_source(struct wl_listener *listener EINA_UNUSED, void *data)
{
E_Comp_Wl_Data_Source *source;
struct wl_resource *data_device_res = NULL, *focus = NULL;
DBG("Data Device Destroy Selection Source");
if (!(source = (E_Comp_Wl_Data_Source *)data))
return;
e_comp_wl->selection.data_source = NULL;
if (e_comp_wl->kbd.enabled)
focus = e_comp_wl->kbd.focus;
if (focus)
{
if (source->resource)
data_device_res =
e_comp_wl_data_find_for_client(wl_resource_get_client(source->resource));
if (data_device_res)
wl_data_device_send_selection(data_device_res, NULL);
}
wl_signal_emit(&e_comp_wl->selection.signal, e_comp->wl_comp_data);
}
static struct wl_resource *
_e_comp_wl_data_device_data_offer_create(E_Comp_Wl_Data_Source *source, struct wl_resource *data_device)
{
E_Comp_Wl_Data_Offer *offer;
Eina_Iterator *it;
char *t;
DBG("Data Offer Create");
offer = E_NEW(E_Comp_Wl_Data_Offer, 1);
if (!offer) return NULL;
offer->resource =
wl_resource_create(wl_resource_get_client(data_device),
&wl_data_offer_interface, wl_resource_get_version(data_device), 0);
if (!offer->resource)
{
free(offer);
return NULL;
}
wl_resource_set_implementation(offer->resource,
&_e_data_offer_interface, offer,
_e_comp_wl_data_offer_cb_resource_destroy);
offer->source = source;
source->offer = offer;
offer->source_destroy_listener.notify =
_e_comp_wl_data_offer_cb_source_destroy;
wl_signal_add(&source->destroy_signal, &offer->source_destroy_listener);
wl_data_device_send_data_offer(data_device, offer->resource);
it = eina_array_iterator_new(source->mime_types);
EINA_ITERATOR_FOREACH(it, t)
wl_data_offer_send_offer(offer->resource, t);
eina_iterator_free(it);
return offer->resource;
}
static void
_e_comp_wl_data_device_selection_set(void *data EINA_UNUSED, E_Comp_Wl_Data_Source *source, uint32_t serial)
{
E_Comp_Wl_Data_Source *sel_source;
struct wl_resource *offer_res, *data_device_res, *focus = NULL;
sel_source = (E_Comp_Wl_Data_Source *)e_comp_wl->selection.data_source;
if (sel_source && (e_comp_wl->selection.serial - serial < UINT32_MAX / 2))
{
if ((source) && (!serial))
{
/* drm canvas will always have serial 0 */
pid_t pid;
wl_client_get_credentials(wl_resource_get_client(source->resource), &pid, NULL, NULL);
if (pid != getpid()) return;
}
else return;
}
if (sel_source)
{
if (!e_comp_wl->clipboard.xwl_owner)
wl_list_remove(&e_comp_wl->selection.data_source_listener.link);
if (sel_source->cancelled)
sel_source->cancelled(sel_source);
e_comp_wl->selection.data_source = NULL;
}
e_comp_wl->selection.data_source = sel_source = source;
e_comp_wl->clipboard.xwl_owner = 0;
e_comp_wl->selection.serial = serial;
if (source) source->serial = serial;
if (e_comp_wl->kbd.enabled)
focus = e_comp_wl->kbd.focus;
if (focus)
{
data_device_res =
e_comp_wl_data_find_for_client(wl_resource_get_client(focus));
if ((data_device_res) && (source))
{
offer_res =
_e_comp_wl_data_device_data_offer_create(source,
data_device_res);
wl_data_device_send_selection(data_device_res, offer_res);
}
else if (data_device_res)
wl_data_device_send_selection(data_device_res, NULL);
}
wl_signal_emit(&e_comp_wl->selection.signal, e_comp->wl_comp_data);
if (source)
{
e_comp_wl->selection.data_source_listener.notify =
_e_comp_wl_data_device_destroy_selection_data_source;
wl_signal_add(&source->destroy_signal,
&e_comp_wl->selection.data_source_listener);
}
}
static void
_e_comp_wl_data_device_drag_finished(E_Drag *drag, int dropped)
{
struct wl_resource *res = NULL;
Evas_Object *o, *z;
E_Comp_Wl_Data_Source *data_source = e_comp_wl->drag_source;
o = edje_object_part_swallow_get(drag->comp_object, "e.swallow.content");
if (eina_streq(evas_object_type_get(o), "e_comp_object"))
edje_object_part_unswallow(drag->comp_object, o);
else
{
z = o;
o = e_zoomap_child_get(z);
e_zoomap_child_set(z, NULL);
}
evas_object_hide(o);
evas_object_pass_events_set(o, 1);
if (e_comp_wl->drag != drag) return;
e_comp_wl->drag = NULL;
e_comp_wl->drag_client = NULL;
e_screensaver_inhibit_toggle(0);
if (dropped) return;
#ifndef HAVE_WAYLAND_ONLY
if (e_comp_wl->selection.target && e_client_has_xwindow(e_comp_wl->selection.target))
{
ecore_x_client_message32_send(e_client_util_win_get(e_comp_wl->selection.target),
ECORE_X_ATOM_XDND_DROP,
ECORE_X_EVENT_MASK_NONE,
e_comp->cm_selection, 0,
ecore_x_current_time_get(), 0, 0);
return;
}
#endif
if (e_comp_wl->selection.target)
res = e_comp_wl_data_find_for_client(wl_resource_get_client(e_comp_wl->selection.target->comp_data->surface));
if (res && data_source->accepted && data_source->current_dnd_action)
{
wl_data_device_send_drop(res);
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;
}
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 (res) wl_data_device_send_leave(res);
#ifndef HAVE_WAYLAND_ONLY
if (e_comp_util_has_xwayland())
{
ecore_x_selection_owner_set(0, ECORE_X_ATOM_SELECTION_XDND,
ecore_x_current_time_get());
ecore_x_window_hide(e_comp->cm_selection);
}
#endif
e_comp_wl->selection.target = NULL;
e_comp_wl->drag_source = NULL;
}
static void
_e_comp_wl_data_device_drag_key(E_Drag *drag EINA_UNUSED, Ecore_Event_Key *ev)
{
uint32_t compositor_action = 0;
const Evas_Modifier *m;
E_Comp_Wl_Data_Source *drag_source = e_comp_wl->drag_source;
m = evas_key_modifier_get(e_comp->evas);
if (evas_key_modifier_is_set(m, "Shift"))
compositor_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE;
else if (evas_key_modifier_is_set(m, "Control"))
compositor_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
if (drag_source->compositor_action == compositor_action) return;
drag_source->compositor_action = compositor_action;
if (drag_source->offer)
data_offer_update_action(drag_source->offer);
}
static void
_e_comp_wl_data_device_cb_drag_start(struct wl_client *client, struct wl_resource *resource EINA_UNUSED, struct wl_resource *source_resource, struct wl_resource *origin_resource, struct wl_resource *icon_resource, uint32_t serial)
{
E_Comp_Wl_Data_Source *source;
Eina_List *l;
struct wl_resource *res;
E_Client *ec = NULL;
int x, y;
DBG("Data Device Drag Start");
if ((e_comp_wl->kbd.focus) && (e_comp_wl->kbd.focus != origin_resource))
return;
if (!(source = wl_resource_get_user_data(source_resource))) return;
e_comp_wl->drag_source = source;
if (icon_resource)
{
DBG("\tHave Icon Resource: %p", icon_resource);
ec = wl_resource_get_user_data(icon_resource);
if (!ec->re_manage)
{
ec->re_manage = 1;
ec->lock_focus_out = ec->override = 1;
ec->icccm.title = eina_stringshare_add("noshadow");
ec->layer = E_LAYER_CLIENT_DRAG;
evas_object_layer_set(ec->frame, E_LAYER_CLIENT_DRAG);
e_client_focus_stack_set(eina_list_remove(e_client_focus_stack_get(), ec));
EC_CHANGED(ec);
e_comp_wl->drag_client = ec;
}
if (ec->comp_data->pending.input)
eina_tiler_clear(ec->comp_data->pending.input);
else
{
ec->comp_data->pending.input = eina_tiler_new(65535, 65535);
eina_tiler_tile_size_set(ec->comp_data->pending.input, 1, 1);
}
}
EINA_LIST_FOREACH(e_comp_wl->ptr.resources, l, res)
{
if (!e_comp_wl_input_pointer_check(res)) continue;
if (wl_resource_get_client(res) != client) continue;
wl_pointer_send_leave(res, serial, e_comp_wl->kbd.focus);
}
evas_pointer_canvas_xy_get(e_comp->evas, &x, &y);
e_comp_wl->drag = e_drag_new(x, y, NULL, 0, NULL, 0, NULL,
_e_comp_wl_data_device_drag_finished);
e_drag_key_down_cb_set(e_comp_wl->drag, _e_comp_wl_data_device_drag_key);
e_drag_key_up_cb_set(e_comp_wl->drag, _e_comp_wl_data_device_drag_key);
e_comp_wl->drag->button_mask =
evas_pointer_button_down_mask_get(e_comp->evas);
if (ec)
e_drag_object_set(e_comp_wl->drag, ec->frame);
e_drag_start(e_comp_wl->drag, x, y);
#ifndef HAVE_WAYLAND_ONLY
if (e_comp_util_has_xwayland())
{
ecore_x_window_show(e_comp->cm_selection);
ecore_x_selection_owner_set(e_comp->cm_selection,
ECORE_X_ATOM_SELECTION_XDND,
ecore_x_current_time_get());
}
#endif
if (e_comp_wl->ptr.ec)
e_comp_wl_data_device_send_enter(e_comp_wl->ptr.ec);
e_screensaver_inhibit_toggle(1);
e_comp_canvas_feed_mouse_up(0);
}
static void
_e_comp_wl_data_device_cb_selection_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource EINA_UNUSED, struct wl_resource *source_resource, uint32_t serial)
{
E_Comp_Wl_Data_Source *source;
DBG("Data Device Selection Set");
if (!source_resource) return;
if (!(source = wl_resource_get_user_data(source_resource))) return;
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;
}
_e_comp_wl_data_device_selection_set(e_comp->wl_comp_data, source, serial);
}
static void
_e_comp_wl_data_device_cb_release(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
{
DBG("Data Device Release");
wl_resource_destroy(resource);
}
static const struct wl_data_device_interface _e_data_device_interface =
{
_e_comp_wl_data_device_cb_drag_start,
_e_comp_wl_data_device_cb_selection_set,
_e_comp_wl_data_device_cb_release
};
static void
_e_comp_wl_data_device_cb_unbind(struct wl_resource *resource)
{
struct wl_client *wc = wl_resource_get_client(resource);
eina_hash_del_by_key(e_comp_wl->mgr.data_resources, &wc);
}
static void
_e_comp_wl_data_manager_cb_device_get(struct wl_client *client, struct wl_resource *manager_resource, uint32_t id, struct wl_resource *seat_resource EINA_UNUSED)
{
struct wl_resource *res;
DBG("Data Manager Device Get");
/* try to create the data device resource */
res = wl_resource_create(client, &wl_data_device_interface, wl_resource_get_version(manager_resource), id);
if (!res)
{
ERR("Could not create data device resource");
wl_resource_post_no_memory(manager_resource);
return;
}
eina_hash_add(e_comp_wl->mgr.data_resources, &client, res);
wl_resource_set_implementation(res, &_e_data_device_interface,
e_comp->wl_comp_data,
_e_comp_wl_data_device_cb_unbind);
}
static const struct wl_data_device_manager_interface _e_manager_interface =
{
(void *)e_comp_wl_data_manager_source_create,
_e_comp_wl_data_manager_cb_device_get
};
/* static void */
/* _e_comp_wl_data_cb_unbind_manager(struct wl_resource *resource) */
/* { */
/* E_Comp_Data *e_comp->wl_comp_data; */
/* DBG("Comp_Wl_Data: Unbind Manager"); */
/* if (!(e_comp->wl_comp_data = wl_resource_get_user_data(resource))) return; */
/* e_comp_wl->mgr.resource = NULL; */
/* } */
static void
_e_comp_wl_data_cb_bind_manager(struct wl_client *client, void *data EINA_UNUSED, uint32_t version EINA_UNUSED, uint32_t id)
{
struct wl_resource *res;
pid_t pid;
/* try to create data manager resource */
res = wl_resource_create(client, &wl_data_device_manager_interface, 3, id);
if (!res)
{
ERR("Could not create data device manager");
wl_client_post_no_memory(client);
return;
}
wl_client_get_credentials(client, &pid, NULL, NULL);
if (pid == getpid())
e_comp_wl->mgr.resource = res;
wl_resource_set_implementation(res, &_e_manager_interface,
e_comp->wl_comp_data, NULL);
}
static Eina_Bool
_e_comp_wl_clipboard_offer_load(void *data, Ecore_Fd_Handler *handler)
{
E_Comp_Wl_Clipboard_Offer *offer;
char *p;
size_t size;
int len;
int fd;
if (!(offer = (E_Comp_Wl_Clipboard_Offer *)data))
return ECORE_CALLBACK_CANCEL;
fd = ecore_main_fd_handler_fd_get(handler);
size = offer->source->contents.size;
p = (char *)offer->source->contents.data;
len = write(fd, p + offer->offset, size - offer->offset);
if (len > 0) offer->offset += len;
if ((offer->offset == size) || (len <= 0))
{
close(fd);
ecore_main_fd_handler_del(handler);
e_comp_wl_clipboard_source_unref(offer->source);
free(offer);
}
return ECORE_CALLBACK_RENEW;
}
static void
_e_comp_wl_clipboard_offer_create(E_Comp_Wl_Clipboard_Source *source, int fd)
{
E_Comp_Wl_Clipboard_Offer *offer;
offer = E_NEW(E_Comp_Wl_Clipboard_Offer, 1);
offer->offset = 0;
offer->source = source;
source->ref++;
offer->fd_handler =
ecore_main_fd_handler_add(fd, ECORE_FD_WRITE,
_e_comp_wl_clipboard_offer_load, offer,
NULL, NULL);
}
static Eina_Bool
_e_comp_wl_clipboard_source_save(void *data EINA_UNUSED, Ecore_Fd_Handler *handler)
{
E_Comp_Wl_Clipboard_Source *source;
char *p;
int len, size;
if (!(source = (E_Comp_Wl_Clipboard_Source *)e_comp_wl->clipboard.source))
return ECORE_CALLBACK_CANCEL;
/* extend contents buffer */
if ((source->contents.alloc - source->contents.size) < CLIPBOARD_CHUNK)
{
wl_array_add(&source->contents, CLIPBOARD_CHUNK);
source->contents.size -= CLIPBOARD_CHUNK;
}
p = (char *)source->contents.data + source->contents.size;
size = source->contents.alloc - source->contents.size;
len = read(source->fd, p, size);
if (len == 0)
{
ecore_main_fd_handler_del(handler);
close(source->fd);
source->fd_handler = NULL;
}
else if (len < 0)
{
e_comp_wl_clipboard_source_unref(source);
e_comp_wl->clipboard.source = NULL;
}
else
{
source->contents.size += len;
}
return ECORE_CALLBACK_RENEW;
}
static void
_e_comp_wl_clipboard_source_target_send(E_Comp_Wl_Data_Source *source EINA_UNUSED, uint32_t serial EINA_UNUSED, const char *mime_type EINA_UNUSED)
{
}
static void
_e_comp_wl_clipboard_source_send_send(E_Comp_Wl_Data_Source *source, const char *mime_type, int fd)
{
E_Comp_Wl_Clipboard_Source *clip_source;
char *t;
clip_source = container_of(source, E_Comp_Wl_Clipboard_Source, data_source);
if (!clip_source) return;
t = eina_array_data_get(source->mime_types, 0);
if (!strcmp(mime_type, t))
_e_comp_wl_clipboard_offer_create(clip_source, fd);
else
close(fd);
}
static void
_e_comp_wl_clipboard_source_cancelled_send(E_Comp_Wl_Data_Source *source EINA_UNUSED)
{
}
static void
_e_comp_wl_clipboard_selection_set(struct wl_listener *listener EINA_UNUSED, void *data EINA_UNUSED)
{
E_Comp_Wl_Data_Source *sel_source;
E_Comp_Wl_Clipboard_Source *clip_source;
int p[2];
char *mime_type;
sel_source = (E_Comp_Wl_Data_Source *)e_comp_wl->selection.data_source;
clip_source = (E_Comp_Wl_Clipboard_Source *)e_comp_wl->clipboard.source;
if (!sel_source)
{
if (clip_source)
_e_comp_wl_data_device_selection_set(e_comp->wl_comp_data,
&clip_source->data_source,
clip_source->serial);
return;
}
else if (sel_source->target == _e_comp_wl_clipboard_source_target_send)
return;
if (clip_source)
e_comp_wl_clipboard_source_unref(clip_source);
e_comp_wl->clipboard.source = NULL;
mime_type = eina_array_data_get(sel_source->mime_types, 0);
if (pipe2(p, O_CLOEXEC) == -1)
return;
sel_source->send(sel_source, mime_type, p[1]);
e_comp_wl->clipboard.source =
e_comp_wl_clipboard_source_create(mime_type,
e_comp_wl->selection.serial, p[0]);
if (!e_comp_wl->clipboard.source)
close(p[0]);
}
static void
_e_comp_wl_clipboard_create(void)
{
e_comp_wl->clipboard.listener.notify = _e_comp_wl_clipboard_selection_set;
wl_signal_add(&e_comp_wl->selection.signal, &e_comp_wl->clipboard.listener);
}
E_API void
e_comp_wl_data_device_send_enter(E_Client *ec)
{
struct wl_resource *data_device_res, *offer_res;
uint32_t serial;
int x, y;
if (e_client_has_xwindow(ec) &&
e_client_has_xwindow(e_comp_wl->drag_client))
return;
if (e_comp_wl->drag && (e_comp_wl->drag->object == ec->frame)) return;
if (!e_client_has_xwindow(ec))
{
E_Comp_Wl_Data_Source *drag_source = e_comp_wl->drag_source;
data_device_res =
e_comp_wl_data_find_for_client(wl_resource_get_client(ec->comp_data->surface));
if (!data_device_res) return;
offer_res = e_comp_wl_data_device_send_offer(ec);
if (e_comp_wl->drag_source && (!offer_res)) return;
if (e_client_has_xwindow(e_comp_wl->drag_client))
{
drag_source->offer->dnd_actions = drag_source->dnd_actions;
drag_source->offer->preferred_dnd_action = drag_source->current_dnd_action;
}
data_offer_update_action(drag_source->offer);
if (offer_res)
{
if (wl_resource_get_version(offer_res) >= WL_DATA_OFFER_SOURCE_ACTIONS_SINCE_VERSION)
wl_data_offer_send_source_actions(offer_res, drag_source->dnd_actions);
}
}
e_comp_wl->selection.target = ec;
#ifndef HAVE_WAYLAND_ONLY
if (e_client_has_xwindow(ec))
{
int d1 = 0x5UL, d2, d3, d4;
E_Comp_Wl_Data_Source *source;
d2 = d3 = d4 = 0;
source = e_comp_wl->drag_source;
if ((source->mime_types) && (eina_array_count(source->mime_types) > 3))
{
const char *type, *types[eina_array_count(source->mime_types)];
int i = 0;
Eina_Iterator *it;
d1 |= 0x1UL;
it = eina_array_iterator_new(source->mime_types);
EINA_ITERATOR_FOREACH(it, type)
types[i++] = type;
eina_iterator_free(it);
ecore_x_dnd_types_set(e_comp->cm_selection, types, i);
}
else if (source->mime_types)
{
if (eina_array_count(source->mime_types))
d2 = ecore_x_atom_get(eina_array_data_get(source->mime_types, 0));
if (eina_array_count(source->mime_types) > 1)
d3 = ecore_x_atom_get(eina_array_data_get(source->mime_types, 1));
if (eina_array_count(source->mime_types) > 2)
d4 = ecore_x_atom_get(eina_array_data_get(source->mime_types, 2));
}
ecore_x_client_message32_send(e_client_util_win_get(ec),
ECORE_X_ATOM_XDND_ENTER,
ECORE_X_EVENT_MASK_NONE,
e_comp->cm_selection, d1, d2, d3, d4);
return;
}
#endif
x = e_comp_wl->ptr.x - e_comp_wl->selection.target->client.x;
y = e_comp_wl->ptr.y - e_comp_wl->selection.target->client.y;
serial = wl_display_next_serial(e_comp_wl->wl.disp);
wl_data_device_send_enter(data_device_res, serial, ec->comp_data->surface,
wl_fixed_from_int(x), wl_fixed_from_int(y),
offer_res);
}
E_API void
e_comp_wl_data_device_send_leave(E_Client *ec)
{
struct wl_resource *res;
if (e_client_has_xwindow(ec) &&
e_client_has_xwindow(e_comp_wl->drag_client))
return;
if (e_comp_wl->drag && (e_comp_wl->drag->object == ec->frame)) return;
if (e_comp_wl->selection.target == ec)
e_comp_wl->selection.target = NULL;
#ifndef HAVE_WAYLAND_ONLY
if (e_client_has_xwindow(ec))
{
ecore_x_client_message32_send(e_client_util_win_get(ec),
ECORE_X_ATOM_XDND_LEAVE,
ECORE_X_EVENT_MASK_NONE,
e_comp->cm_selection, 0, 0, 0, 0);
return;
}
#endif
{
E_Comp_Wl_Data_Source *drag_source = e_comp_wl->drag_source;
if (drag_source &&
drag_source->offer)
{
E_Comp_Wl_Data_Offer *offer;
/* Unlink the offer from the source */
offer = drag_source->offer;
offer->source = NULL;
drag_source->offer = NULL;
drag_source->accepted = 0;
wl_list_remove(&offer->source_destroy_listener.link);
}
}
res = e_comp_wl_data_find_for_client(wl_resource_get_client(ec->comp_data->surface));
if (res)
wl_data_device_send_leave(res);
}
EINTERN void *
e_comp_wl_data_device_send_offer(E_Client *ec)
{
struct wl_resource *data_device_res, *offer_res = NULL;
E_Comp_Wl_Data_Source *source;
data_device_res =
e_comp_wl_data_find_for_client(wl_resource_get_client(ec->comp_data->surface));
if (!data_device_res) return NULL;
source = e_comp_wl->drag_source;
if (source)
{
offer_res =
_e_comp_wl_data_device_data_offer_create(source, data_device_res);
}
return offer_res;
}
E_API void
e_comp_wl_data_device_keyboard_focus_set(void)
{
struct wl_resource *data_device_res, *offer_res = NULL, *focus;
E_Comp_Wl_Data_Source *source;
E_Client *focused;
if (!e_comp_wl->kbd.enabled)
{
ERR("Keyboard not enabled");
return;
}
if (!(focus = e_comp_wl->kbd.focus))
{
ERR("No focused resource");
return;
}
focused = wl_resource_get_user_data(focus);
source = (E_Comp_Wl_Data_Source *)e_comp_wl->selection.data_source;
#ifndef HAVE_WAYLAND_ONLY
do
{
if (!e_comp_util_has_xwayland()) break;
if (e_comp_wl->clipboard.xwl_owner)
{
if (e_client_has_xwindow(focused)) return;
break;
}
else if (source && e_client_has_xwindow(focused))
{
/* wl -> x11 */
ecore_x_selection_owner_set(e_comp->cm_selection,
ECORE_X_ATOM_SELECTION_CLIPBOARD,
ecore_x_current_time_get());
return;
}
} while (0);
#endif
data_device_res =
e_comp_wl_data_find_for_client(wl_resource_get_client(focus));
if (!data_device_res) return;
if (source)
{
offer_res =
_e_comp_wl_data_device_data_offer_create(source, data_device_res);
}
wl_data_device_send_selection(data_device_res, offer_res);
}
EINTERN Eina_Bool
e_comp_wl_data_manager_init(void)
{
/* try to create global data manager */
e_comp_wl->mgr.global =
wl_global_create(e_comp_wl->wl.disp, &wl_data_device_manager_interface, 3,
NULL, _e_comp_wl_data_cb_bind_manager);
if (!e_comp_wl->mgr.global)
{
ERR("Could not create global for data device manager");
return EINA_FALSE;
}
wl_signal_init(&e_comp_wl->selection.signal);
/* create clipboard */
_e_comp_wl_clipboard_create();
e_comp_wl->mgr.data_resources = eina_hash_pointer_new(NULL);
return EINA_TRUE;
}
EINTERN void
e_comp_wl_data_manager_shutdown(void)
{
/* destroy the global manager resource */
/* if (e_comp_wl->mgr.global) wl_global_destroy(e_comp_wl->mgr.global); */
wl_list_remove(&e_comp_wl->clipboard.listener.link);
E_FREE_FUNC(e_comp_wl->mgr.data_resources, eina_hash_free);
}
E_API struct wl_resource *
e_comp_wl_data_find_for_client(struct wl_client *client)
{
return eina_hash_find(e_comp_wl->mgr.data_resources, &client);
}
E_API E_Comp_Wl_Data_Source *
e_comp_wl_data_manager_source_create(struct wl_client *client, struct wl_resource *resource, uint32_t id)
{
E_Comp_Wl_Data_Source *source;
DBG("Data Manager Source Create");
source = E_NEW(E_Comp_Wl_Data_Source, 1);
if (!source)
{
wl_resource_post_no_memory(resource);
return NULL;
}
wl_signal_init(&source->destroy_signal);
source->target = _e_comp_wl_data_source_target_send;
source->send = _e_comp_wl_data_source_send_send;
source->cancelled = _e_comp_wl_data_source_cancelled_send;
source->resource =
wl_resource_create(client, &wl_data_source_interface, wl_resource_get_version(resource), id);
if (!source->resource)
{
ERR("Could not create data source resource");
free(source);
wl_resource_post_no_memory(resource);
return NULL;
}
wl_resource_set_implementation(source->resource,
&_e_data_source_interface, source,
_e_comp_wl_data_source_cb_resource_destroy);
return source;
}
E_API E_Comp_Wl_Clipboard_Source *
e_comp_wl_clipboard_source_create(const char *mime_type, uint32_t serial, int fd)
{
E_Comp_Wl_Clipboard_Source *source;
source = E_NEW(E_Comp_Wl_Clipboard_Source, 1);
if (!source) return NULL;
source->data_source.resource = NULL;
source->data_source.target = _e_comp_wl_clipboard_source_target_send;
source->data_source.send = _e_comp_wl_clipboard_source_send_send;
source->data_source.cancelled = _e_comp_wl_clipboard_source_cancelled_send;
wl_array_init(&source->contents);
wl_signal_init(&source->data_source.destroy_signal);
source->ref = 1;
source->serial = serial;
if (mime_type)
{
if (!source->data_source.mime_types)
source->data_source.mime_types = eina_array_new(1);
eina_array_push(source->data_source.mime_types,
eina_stringshare_add(mime_type));
}
if (fd > 0)
{
source->fd_handler =
ecore_main_fd_handler_file_add(fd, ECORE_FD_READ | ECORE_FD_ERROR,
_e_comp_wl_clipboard_source_save,
e_comp->wl_comp_data, NULL, NULL);
if (!source->fd_handler)
{
_mime_types_free(&source->data_source);
free(source);
return NULL;
}
}
source->fd = fd;
return source;
}
E_API void
e_comp_wl_clipboard_source_unref(E_Comp_Wl_Clipboard_Source *source)
{
EINA_SAFETY_ON_NULL_RETURN(source);
source->ref--;
if (source->ref > 0) return;
if (source->fd_handler)
{
ecore_main_fd_handler_del(source->fd_handler);
close(source->fd);
}
_mime_types_free(&source->data_source);
if (source == e_comp_wl->clipboard.source)
e_comp_wl->clipboard.source = NULL;
if (&source->data_source == e_comp_wl->selection.data_source)
e_comp_wl->selection.data_source = NULL;
wl_signal_emit(&source->data_source.destroy_signal, &source->data_source);
wl_array_release(&source->contents);
free(source);
}
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