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393 lines
11 KiB
393 lines
11 KiB
/*
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* Copyright © 2010-2012 Intel Corporation
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* Copyright © 2011-2012 Collabora, Ltd.
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* Copyright © 2013 Raspberry Pi Foundation
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* Copyright © 2016 Quentin "Sardem FF7" Glidic
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <assert.h>
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#include <wayland-server.h>
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#include "compositor.h"
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#include "zalloc.h"
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#include "libweston-desktop.h"
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#include "internal.h"
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#include "xwayland/xwayland-internal-interface.h"
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enum weston_desktop_xwayland_surface_state {
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NONE,
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TOPLEVEL,
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MAXIMIZED,
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FULLSCREEN,
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TRANSIENT,
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XWAYLAND,
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};
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struct weston_desktop_xwayland {
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struct weston_desktop *desktop;
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struct weston_desktop_client *client;
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struct weston_layer layer;
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};
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struct weston_desktop_xwayland_surface {
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struct weston_desktop_xwayland *xwayland;
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struct weston_desktop *desktop;
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struct weston_desktop_surface *surface;
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struct wl_listener resource_destroy_listener;
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struct weston_view *view;
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const struct weston_xwayland_client_interface *client_interface;
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struct weston_geometry next_geometry;
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bool has_next_geometry;
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bool added;
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enum weston_desktop_xwayland_surface_state state;
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};
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static void
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weston_desktop_xwayland_surface_change_state(struct weston_desktop_xwayland_surface *surface,
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enum weston_desktop_xwayland_surface_state state,
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struct weston_desktop_surface *parent,
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int32_t x, int32_t y)
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{
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struct weston_surface *wsurface;
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bool to_add = (parent == NULL && state != XWAYLAND);
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assert(state != NONE);
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assert(!parent || state == TRANSIENT);
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if (to_add && surface->added) {
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surface->state = state;
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return;
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}
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wsurface = weston_desktop_surface_get_surface(surface->surface);
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if (surface->state != state) {
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if (surface->state == XWAYLAND) {
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assert(!surface->added);
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weston_desktop_surface_unlink_view(surface->view);
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weston_view_destroy(surface->view);
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surface->view = NULL;
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weston_surface_unmap(wsurface);
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}
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if (to_add) {
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weston_desktop_surface_unset_relative_to(surface->surface);
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weston_desktop_api_surface_added(surface->desktop,
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surface->surface);
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surface->added = true;
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} else if (surface->added) {
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weston_desktop_api_surface_removed(surface->desktop,
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surface->surface);
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surface->added = false;
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}
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if (state == XWAYLAND) {
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assert(!surface->added);
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surface->view =
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weston_desktop_surface_create_view(surface->surface);
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weston_layer_entry_insert(&surface->xwayland->layer.view_list,
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&surface->view->layer_link);
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weston_view_set_position(surface->view, x, y);
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surface->view->is_mapped = true;
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wsurface->is_mapped = true;
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}
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surface->state = state;
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}
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if (parent != NULL)
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weston_desktop_surface_set_relative_to(surface->surface, parent,
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x, y, false);
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}
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static void
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weston_desktop_xwayland_surface_committed(struct weston_desktop_surface *dsurface,
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void *user_data,
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int32_t sx, int32_t sy)
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{
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struct weston_desktop_xwayland_surface *surface = user_data;
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#ifdef WM_DEBUG
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weston_log("%s: xwayland surface %p\n", __func__, surface);
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#endif
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if (surface->has_next_geometry) {
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surface->has_next_geometry = false;
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weston_desktop_surface_set_geometry(surface->surface,
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surface->next_geometry);
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}
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if (surface->added)
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weston_desktop_api_committed(surface->desktop, surface->surface,
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sx, sy);
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}
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static void
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weston_desktop_xwayland_surface_set_size(struct weston_desktop_surface *dsurface,
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void *user_data,
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int32_t width, int32_t height)
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{
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struct weston_desktop_xwayland_surface *surface = user_data;
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struct weston_surface *wsurface =
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weston_desktop_surface_get_surface(surface->surface);
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surface->client_interface->send_configure(wsurface, width, height);
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}
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static void
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weston_desktop_xwayland_surface_destroy(struct weston_desktop_surface *dsurface,
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void *user_data)
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{
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struct weston_desktop_xwayland_surface *surface = user_data;
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wl_list_remove(&surface->resource_destroy_listener.link);
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weston_desktop_surface_unset_relative_to(surface->surface);
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if (surface->added)
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weston_desktop_api_surface_removed(surface->desktop,
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surface->surface);
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else if (surface->state == XWAYLAND)
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weston_desktop_surface_unlink_view(surface->view);
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free(surface);
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}
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static bool
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weston_desktop_xwayland_surface_get_maximized(struct weston_desktop_surface *dsurface,
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void *user_data)
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{
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struct weston_desktop_xwayland_surface *surface = user_data;
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return surface->state == MAXIMIZED;
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}
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static bool
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weston_desktop_xwayland_surface_get_fullscreen(struct weston_desktop_surface *dsurface,
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void *user_data)
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{
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struct weston_desktop_xwayland_surface *surface = user_data;
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return surface->state == FULLSCREEN;
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}
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static const struct weston_desktop_surface_implementation weston_desktop_xwayland_surface_internal_implementation = {
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.committed = weston_desktop_xwayland_surface_committed,
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.set_size = weston_desktop_xwayland_surface_set_size,
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.get_maximized = weston_desktop_xwayland_surface_get_maximized,
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.get_fullscreen = weston_desktop_xwayland_surface_get_fullscreen,
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.destroy = weston_desktop_xwayland_surface_destroy,
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};
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static void
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weston_destop_xwayland_resource_destroyed(struct wl_listener *listener,
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void *data)
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{
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struct weston_desktop_xwayland_surface *surface =
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wl_container_of(listener, surface, resource_destroy_listener);
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weston_desktop_surface_destroy(surface->surface);
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}
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static struct weston_desktop_xwayland_surface *
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create_surface(struct weston_desktop_xwayland *xwayland,
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struct weston_surface *wsurface,
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const struct weston_xwayland_client_interface *client_interface)
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{
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struct weston_desktop_xwayland_surface *surface;
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surface = zalloc(sizeof(struct weston_desktop_xwayland_surface));
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if (surface == NULL)
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return NULL;
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surface->xwayland = xwayland;
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surface->desktop = xwayland->desktop;
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surface->client_interface = client_interface;
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surface->surface =
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weston_desktop_surface_create(surface->desktop,
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xwayland->client, wsurface,
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&weston_desktop_xwayland_surface_internal_implementation,
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surface);
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if (surface->surface == NULL) {
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free(surface);
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return NULL;
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}
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surface->resource_destroy_listener.notify =
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weston_destop_xwayland_resource_destroyed;
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wl_resource_add_destroy_listener(wsurface->resource,
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&surface->resource_destroy_listener);
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weston_desktop_surface_set_pid(surface->surface, 0);
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return surface;
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}
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static void
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set_toplevel(struct weston_desktop_xwayland_surface *surface)
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{
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weston_desktop_xwayland_surface_change_state(surface, TOPLEVEL, NULL,
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0, 0);
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}
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static void
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set_parent(struct weston_desktop_xwayland_surface *surface,
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struct weston_surface *wparent)
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{
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struct weston_desktop_surface *parent;
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if (!weston_surface_is_desktop_surface(wparent))
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return;
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parent = weston_surface_get_desktop_surface(wparent);
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weston_desktop_api_set_parent(surface->desktop, surface->surface, parent);
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}
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static void
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set_transient(struct weston_desktop_xwayland_surface *surface,
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struct weston_surface *wparent, int x, int y)
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{
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struct weston_desktop_surface *parent;
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if (!weston_surface_is_desktop_surface(wparent))
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return;
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parent = weston_surface_get_desktop_surface(wparent);
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weston_desktop_xwayland_surface_change_state(surface, TRANSIENT, parent,
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x, y);
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}
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static void
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set_fullscreen(struct weston_desktop_xwayland_surface *surface,
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struct weston_output *output)
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{
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weston_desktop_xwayland_surface_change_state(surface, FULLSCREEN, NULL,
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0, 0);
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weston_desktop_api_fullscreen_requested(surface->desktop,
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surface->surface, true, output);
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}
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static void
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set_xwayland(struct weston_desktop_xwayland_surface *surface, int x, int y)
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{
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weston_desktop_xwayland_surface_change_state(surface, XWAYLAND, NULL,
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x, y);
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}
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static int
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move(struct weston_desktop_xwayland_surface *surface,
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struct weston_pointer *pointer)
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{
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if (surface->state == TOPLEVEL ||
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surface->state == MAXIMIZED ||
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surface->state == FULLSCREEN)
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weston_desktop_api_move(surface->desktop, surface->surface,
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pointer->seat, pointer->grab_serial);
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return 0;
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}
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static int
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resize(struct weston_desktop_xwayland_surface *surface,
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struct weston_pointer *pointer, uint32_t edges)
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{
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if (surface->state == TOPLEVEL ||
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surface->state == MAXIMIZED ||
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surface->state == FULLSCREEN)
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weston_desktop_api_resize(surface->desktop, surface->surface,
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pointer->seat, pointer->grab_serial,
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edges);
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return 0;
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}
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static void
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set_title(struct weston_desktop_xwayland_surface *surface, const char *title)
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{
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weston_desktop_surface_set_title(surface->surface, title);
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}
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static void
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set_window_geometry(struct weston_desktop_xwayland_surface *surface,
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int32_t x, int32_t y, int32_t width, int32_t height)
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{
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surface->has_next_geometry = true;
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surface->next_geometry.x = x;
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surface->next_geometry.y = y;
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surface->next_geometry.width = width;
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surface->next_geometry.height = height;
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}
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static void
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set_maximized(struct weston_desktop_xwayland_surface *surface)
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{
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weston_desktop_xwayland_surface_change_state(surface, MAXIMIZED, NULL,
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0, 0);
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weston_desktop_api_maximized_requested(surface->desktop,
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surface->surface, true);
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}
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static void
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set_pid(struct weston_desktop_xwayland_surface *surface, pid_t pid)
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{
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weston_desktop_surface_set_pid(surface->surface, pid);
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}
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static const struct weston_desktop_xwayland_interface weston_desktop_xwayland_interface = {
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.create_surface = create_surface,
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.set_toplevel = set_toplevel,
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.set_parent = set_parent,
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.set_transient = set_transient,
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.set_fullscreen = set_fullscreen,
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.set_xwayland = set_xwayland,
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.move = move,
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.resize = resize,
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.set_title = set_title,
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.set_window_geometry = set_window_geometry,
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.set_maximized = set_maximized,
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.set_pid = set_pid,
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};
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void
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weston_desktop_xwayland_init(struct weston_desktop *desktop)
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{
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struct weston_compositor *compositor = weston_desktop_get_compositor(desktop);
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struct weston_desktop_xwayland *xwayland;
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xwayland = zalloc(sizeof(struct weston_desktop_xwayland));
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if (xwayland == NULL)
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return;
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xwayland->desktop = desktop;
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xwayland->client = weston_desktop_client_create(desktop, NULL, NULL, NULL, NULL, 0, 0);
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weston_layer_init(&xwayland->layer, &compositor->cursor_layer.link);
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compositor->xwayland = xwayland;
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compositor->xwayland_interface = &weston_desktop_xwayland_interface;
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}
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