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037b68ab8e
We want to make room for the wayland-protocols primary selection protocol. Rename our private protocol as "legacy". https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1255
355 lines
12 KiB
C
355 lines
12 KiB
C
/*
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* Copyright © 2011 Kristian Høgsberg
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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/* The file is based on src/data-device.c from Weston */
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#include "config.h"
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#include "wayland/meta-wayland-data-device-primary-legacy.h"
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#include "compositor/meta-dnd-actor-private.h"
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#include "meta/meta-selection-source-memory.h"
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#include "wayland/meta-selection-source-wayland-private.h"
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#include "wayland/meta-wayland-data-offer-primary-legacy.h"
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#include "wayland/meta-wayland-data-source-primary-legacy.h"
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#include "wayland/meta-wayland-dnd-surface.h"
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#include "wayland/meta-wayland-pointer.h"
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#include "wayland/meta-wayland-private.h"
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#include "wayland/meta-wayland-seat.h"
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#include "gtk-primary-selection-server-protocol.h"
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static struct wl_resource * create_and_send_primary_offer (MetaWaylandDataDevicePrimaryLegacy *data_device,
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struct wl_resource *target);
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static void
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move_resources (struct wl_list *destination,
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struct wl_list *source)
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{
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wl_list_insert_list (destination, source);
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wl_list_init (source);
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}
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static void
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move_resources_for_client (struct wl_list *destination,
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struct wl_list *source,
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struct wl_client *client)
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{
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struct wl_resource *resource, *tmp;
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wl_resource_for_each_safe (resource, tmp, source)
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{
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if (wl_resource_get_client (resource) == client)
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{
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wl_list_remove (wl_resource_get_link (resource));
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wl_list_insert (destination, wl_resource_get_link (resource));
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}
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}
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}
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static void
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unbind_resource (struct wl_resource *resource)
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{
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wl_list_remove (wl_resource_get_link (resource));
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}
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static void
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default_destructor (struct wl_client *client,
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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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set_selection_source (MetaWaylandDataDevicePrimaryLegacy *data_device,
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MetaSelectionSource *selection_source)
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{
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MetaDisplay *display = meta_get_display ();
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meta_selection_set_owner (meta_display_get_selection (display),
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META_SELECTION_PRIMARY,
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selection_source);
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g_set_object (&data_device->owner, selection_source);
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}
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static void
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unset_selection_source (MetaWaylandDataDevicePrimaryLegacy *data_device)
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{
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MetaDisplay *display = meta_get_display ();
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if (!data_device->owner)
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return;
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meta_selection_unset_owner (meta_display_get_selection (display),
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META_SELECTION_PRIMARY,
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data_device->owner);
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g_clear_object (&data_device->owner);
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}
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static void
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primary_source_destroyed (gpointer data,
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GObject *object_was_here)
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{
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MetaWaylandDataDevicePrimaryLegacy *data_device = data;
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data_device->data_source = NULL;
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unset_selection_source (data_device);
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}
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static void
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meta_wayland_data_device_primary_legacy_set_selection (MetaWaylandDataDevicePrimaryLegacy *data_device,
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MetaWaylandDataSource *source,
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uint32_t serial)
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{
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MetaWaylandSeat *seat = wl_container_of (data_device, seat, primary_legacy_data_device);
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MetaSelectionSource *selection_source;
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g_assert (!source || META_IS_WAYLAND_DATA_SOURCE_PRIMARY_LEGACY (source));
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if (data_device->data_source &&
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data_device->serial - serial < UINT32_MAX / 2)
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return;
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if (data_device->data_source)
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{
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g_object_weak_unref (G_OBJECT (data_device->data_source),
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primary_source_destroyed,
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data_device);
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}
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data_device->data_source = source;
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data_device->serial = serial;
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if (source)
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{
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meta_wayland_data_source_set_seat (source, seat);
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g_object_weak_ref (G_OBJECT (source),
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primary_source_destroyed,
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data_device);
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selection_source = meta_selection_source_wayland_new (source);
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}
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else
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{
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selection_source = g_object_new (META_TYPE_SELECTION_SOURCE_MEMORY, NULL);
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}
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set_selection_source (data_device, selection_source);
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g_object_unref (selection_source);
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}
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static void
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primary_device_set_selection (struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *source_resource,
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uint32_t serial)
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{
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MetaWaylandDataDevicePrimaryLegacy *data_device = wl_resource_get_user_data (resource);
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MetaWaylandSeat *seat = wl_container_of (data_device, seat, primary_legacy_data_device);
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MetaWaylandDataSource *source = NULL;
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if (source_resource)
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source = wl_resource_get_user_data (source_resource);
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if (wl_resource_get_client (resource) !=
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meta_wayland_keyboard_get_focus_client (seat->keyboard))
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return;
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meta_wayland_data_device_primary_legacy_set_selection (data_device, source, serial);
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}
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static const struct gtk_primary_selection_device_interface primary_device_interface = {
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primary_device_set_selection,
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default_destructor,
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};
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static void
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owner_changed_cb (MetaSelection *selection,
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MetaSelectionType selection_type,
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MetaSelectionSource *new_owner,
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MetaWaylandDataDevicePrimaryLegacy *data_device)
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{
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MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
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MetaWaylandSeat *seat = compositor->seat;
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struct wl_resource *data_device_resource;
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struct wl_client *focus_client;
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focus_client = meta_wayland_keyboard_get_focus_client (seat->keyboard);
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if (!focus_client)
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return;
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if (selection_type == META_SELECTION_PRIMARY)
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{
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wl_resource_for_each (data_device_resource, &data_device->focus_resource_list)
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{
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struct wl_resource *offer = NULL;
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if (new_owner)
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{
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offer = create_and_send_primary_offer (data_device,
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data_device_resource);
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}
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gtk_primary_selection_device_send_selection (data_device_resource,
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offer);
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}
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}
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}
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static void
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ensure_owners_changed_handler_connected (MetaWaylandDataDevicePrimaryLegacy *data_device)
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{
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if (data_device->selection_owner_signal_id != 0)
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return;
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data_device->selection_owner_signal_id =
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g_signal_connect (meta_display_get_selection (meta_get_display ()),
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"owner-changed",
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G_CALLBACK (owner_changed_cb), data_device);
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}
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static void
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primary_device_manager_create_source (struct wl_client *client,
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struct wl_resource *manager_resource,
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guint32 id)
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{
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struct wl_resource *source_resource;
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source_resource =
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wl_resource_create (client, >k_primary_selection_source_interface,
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wl_resource_get_version (manager_resource),
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id);
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meta_wayland_data_source_primary_legacy_new (source_resource);
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}
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static void
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primary_device_manager_get_device (struct wl_client *client,
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struct wl_resource *manager_resource,
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guint32 id,
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struct wl_resource *seat_resource)
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{
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MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
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struct wl_resource *cr;
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cr = wl_resource_create (client, >k_primary_selection_device_interface,
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wl_resource_get_version (manager_resource), id);
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wl_resource_set_implementation (cr, &primary_device_interface,
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&seat->primary_legacy_data_device, unbind_resource);
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wl_list_insert (&seat->primary_legacy_data_device.resource_list,
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wl_resource_get_link (cr));
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ensure_owners_changed_handler_connected (&seat->primary_legacy_data_device);
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}
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static const struct gtk_primary_selection_device_manager_interface primary_manager_interface = {
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primary_device_manager_create_source,
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primary_device_manager_get_device,
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default_destructor,
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};
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static void
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bind_primary_manager (struct wl_client *client,
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void *data,
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uint32_t version,
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uint32_t id)
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{
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struct wl_resource *resource;
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resource = wl_resource_create (client, >k_primary_selection_device_manager_interface,
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version, id);
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wl_resource_set_implementation (resource, &primary_manager_interface, NULL, NULL);
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}
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void
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meta_wayland_data_device_primary_legacy_manager_init (MetaWaylandCompositor *compositor)
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{
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if (wl_global_create (compositor->wayland_display,
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>k_primary_selection_device_manager_interface,
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1, NULL, bind_primary_manager) == NULL)
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g_error ("Could not create data_device");
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}
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void
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meta_wayland_data_device_primary_legacy_init (MetaWaylandDataDevicePrimaryLegacy *data_device)
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{
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wl_list_init (&data_device->resource_list);
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wl_list_init (&data_device->focus_resource_list);
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}
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static struct wl_resource *
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create_and_send_primary_offer (MetaWaylandDataDevicePrimaryLegacy *data_device,
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struct wl_resource *target)
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{
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MetaWaylandDataOffer *offer;
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MetaDisplay *display = meta_get_display ();
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struct wl_resource *resource;
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GList *mimetypes, *l;
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mimetypes = meta_selection_get_mimetypes (meta_display_get_selection (display),
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META_SELECTION_PRIMARY);
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if (!mimetypes)
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return NULL;
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offer = meta_wayland_data_offer_primary_legacy_new (target);
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resource = meta_wayland_data_offer_get_resource (offer);
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gtk_primary_selection_device_send_data_offer (target, resource);
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for (l = mimetypes; l; l = l->next)
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gtk_primary_selection_offer_send_offer (resource, l->data);
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g_list_free_full (mimetypes, g_free);
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return resource;
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}
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void
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meta_wayland_data_device_primary_legacy_set_keyboard_focus (MetaWaylandDataDevicePrimaryLegacy *data_device)
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{
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MetaWaylandSeat *seat = wl_container_of (data_device, seat, primary_legacy_data_device);
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struct wl_client *focus_client;
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struct wl_resource *data_device_resource;
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focus_client = meta_wayland_keyboard_get_focus_client (seat->keyboard);
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if (focus_client == data_device->focus_client)
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return;
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data_device->focus_client = focus_client;
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move_resources (&data_device->resource_list,
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&data_device->focus_resource_list);
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if (!focus_client)
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return;
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move_resources_for_client (&data_device->focus_resource_list,
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&data_device->resource_list,
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focus_client);
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wl_resource_for_each (data_device_resource, &data_device->focus_resource_list)
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{
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struct wl_resource *offer;
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offer = create_and_send_primary_offer (data_device, data_device_resource);
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gtk_primary_selection_device_send_selection (data_device_resource, offer);
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}
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}
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