mirror of
https://gitlab.freedesktop.org/wayland/weston
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![Pekka Paalanen](/assets/img/avatar_default.png)
This too is a public installed header. The public headers are moved under a new top-level directory include/ to make them clearly stand out as special (public API). Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
498 lines
16 KiB
C
498 lines
16 KiB
C
/*
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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 <libweston/libweston.h>
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#include <libweston/zalloc.h>
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#include <libweston-desktop/libweston-desktop.h>
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#include "internal.h"
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#define WD_WL_SHELL_PROTOCOL_VERSION 1
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enum weston_desktop_wl_shell_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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POPUP,
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};
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struct weston_desktop_wl_shell_surface {
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struct wl_resource *resource;
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struct weston_desktop *desktop;
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struct wl_display *display;
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struct weston_desktop_surface *surface;
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struct weston_desktop_surface *parent;
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bool added;
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struct weston_desktop_seat *popup_seat;
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enum weston_desktop_wl_shell_surface_state state;
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struct wl_listener wl_surface_resource_destroy_listener;
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};
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static void
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weston_desktop_wl_shell_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_wl_shell_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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if ((wsurface->width == width && wsurface->height == height) ||
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(width == 0 && height == 0))
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return;
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wl_shell_surface_send_configure(surface->resource,
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WL_SHELL_SURFACE_RESIZE_NONE,
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width, height);
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}
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static void
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weston_desktop_wl_shell_surface_maybe_ungrab(struct weston_desktop_wl_shell_surface *surface)
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{
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if (surface->state != POPUP ||
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!weston_desktop_surface_get_grab(surface->surface))
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return;
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weston_desktop_surface_popup_ungrab(surface->surface,
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surface->popup_seat);
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surface->popup_seat = NULL;
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}
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static void
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weston_desktop_wl_shell_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_wl_shell_surface *surface = user_data;
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struct weston_surface *wsurface =
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weston_desktop_surface_get_surface(dsurface);
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if (wsurface->buffer_ref.buffer == NULL)
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weston_desktop_wl_shell_surface_maybe_ungrab(surface);
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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_wl_shell_surface_ping(struct weston_desktop_surface *dsurface,
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uint32_t serial, void *user_data)
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{
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struct weston_desktop_wl_shell_surface *surface = user_data;
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wl_shell_surface_send_ping(surface->resource, serial);
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}
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static void
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weston_desktop_wl_shell_surface_close(struct weston_desktop_surface *dsurface,
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void *user_data)
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{
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struct weston_desktop_wl_shell_surface *surface = user_data;
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if (surface->state == POPUP)
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wl_shell_surface_send_popup_done(surface->resource);
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}
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static bool
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weston_desktop_wl_shell_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_wl_shell_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_wl_shell_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_wl_shell_surface *surface = user_data;
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return surface->state == FULLSCREEN;
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}
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static void
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weston_desktop_wl_shell_change_state(struct weston_desktop_wl_shell_surface *surface,
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enum weston_desktop_wl_shell_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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bool to_add = (parent == NULL);
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assert(state != NONE);
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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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if (surface->state != state) {
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if (surface->state == POPUP)
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weston_desktop_wl_shell_surface_maybe_ungrab(surface);
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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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} 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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}
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surface->state = state;
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surface->added = to_add;
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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_wl_shell_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_wl_shell_surface *surface = user_data;
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wl_list_remove(&surface->wl_surface_resource_destroy_listener.link);
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weston_desktop_wl_shell_surface_maybe_ungrab(surface);
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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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free(surface);
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}
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static void
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weston_desktop_wl_shell_surface_protocol_pong(struct wl_client *wl_client,
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struct wl_resource *resource,
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uint32_t serial)
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{
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struct weston_desktop_surface *surface = wl_resource_get_user_data(resource);
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weston_desktop_client_pong(weston_desktop_surface_get_client(surface), serial);
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}
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static void
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weston_desktop_wl_shell_surface_protocol_move(struct wl_client *wl_client,
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struct wl_resource *resource,
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struct wl_resource *seat_resource,
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uint32_t serial)
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{
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struct weston_desktop_surface *dsurface =
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wl_resource_get_user_data(resource);
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struct weston_seat *seat =
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wl_resource_get_user_data(seat_resource);
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struct weston_desktop_wl_shell_surface *surface =
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weston_desktop_surface_get_implementation_data(dsurface);
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if (seat == NULL)
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return;
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weston_desktop_api_move(surface->desktop, dsurface, seat, serial);
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}
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static void
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weston_desktop_wl_shell_surface_protocol_resize(struct wl_client *wl_client,
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struct wl_resource *resource,
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struct wl_resource *seat_resource,
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uint32_t serial,
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enum wl_shell_surface_resize edges)
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{
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struct weston_desktop_surface *dsurface =
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wl_resource_get_user_data(resource);
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struct weston_seat *seat = wl_resource_get_user_data(seat_resource);
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struct weston_desktop_wl_shell_surface *surface =
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weston_desktop_surface_get_implementation_data(dsurface);
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enum weston_desktop_surface_edge surf_edges =
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(enum weston_desktop_surface_edge) edges;
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if (seat == NULL)
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return;
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weston_desktop_api_resize(surface->desktop, dsurface, seat, serial, surf_edges);
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}
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static void
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weston_desktop_wl_shell_surface_protocol_set_toplevel(struct wl_client *wl_client,
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struct wl_resource *resource)
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{
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struct weston_desktop_surface *dsurface =
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wl_resource_get_user_data(resource);
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struct weston_desktop_wl_shell_surface *surface =
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weston_desktop_surface_get_implementation_data(dsurface);
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weston_desktop_wl_shell_change_state(surface, TOPLEVEL, NULL, 0, 0);
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if (surface->parent == NULL)
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return;
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surface->parent = NULL;
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weston_desktop_api_set_parent(surface->desktop, surface->surface, NULL);
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}
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static void
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weston_desktop_wl_shell_surface_protocol_set_transient(struct wl_client *wl_client,
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struct wl_resource *resource,
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struct wl_resource *parent_resource,
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int32_t x, int32_t y,
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enum wl_shell_surface_transient flags)
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{
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struct weston_desktop_surface *dsurface =
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wl_resource_get_user_data(resource);
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struct weston_surface *wparent =
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wl_resource_get_user_data(parent_resource);
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struct weston_desktop_surface *parent;
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struct weston_desktop_wl_shell_surface *surface =
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weston_desktop_surface_get_implementation_data(dsurface);
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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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if (flags & WL_SHELL_SURFACE_TRANSIENT_INACTIVE) {
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weston_desktop_wl_shell_change_state(surface, TRANSIENT, parent,
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x, y);
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} else {
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weston_desktop_wl_shell_change_state(surface, TOPLEVEL, NULL,
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0, 0);
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surface->parent = parent;
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weston_desktop_api_set_parent(surface->desktop,
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surface->surface, parent);
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}
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}
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static void
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weston_desktop_wl_shell_surface_protocol_set_fullscreen(struct wl_client *wl_client,
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struct wl_resource *resource,
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enum wl_shell_surface_fullscreen_method method,
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uint32_t framerate,
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struct wl_resource *output_resource)
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{
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struct weston_desktop_surface *dsurface =
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wl_resource_get_user_data(resource);
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struct weston_desktop_wl_shell_surface *surface =
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weston_desktop_surface_get_implementation_data(dsurface);
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struct weston_output *output = NULL;
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if (output_resource != NULL)
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output = weston_head_from_resource(output_resource)->output;
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weston_desktop_wl_shell_change_state(surface, FULLSCREEN, NULL, 0, 0);
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weston_desktop_api_fullscreen_requested(surface->desktop, dsurface,
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true, output);
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}
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static void
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weston_desktop_wl_shell_surface_protocol_set_popup(struct wl_client *wl_client,
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struct wl_resource *resource,
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struct wl_resource *seat_resource,
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uint32_t serial,
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struct wl_resource *parent_resource,
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int32_t x, int32_t y,
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enum wl_shell_surface_transient flags)
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{
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struct weston_desktop_surface *dsurface =
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wl_resource_get_user_data(resource);
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struct weston_seat *wseat = wl_resource_get_user_data(seat_resource);
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struct weston_desktop_seat *seat = weston_desktop_seat_from_seat(wseat);
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struct weston_surface *parent =
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wl_resource_get_user_data(parent_resource);
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struct weston_desktop_surface *parent_surface;
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struct weston_desktop_wl_shell_surface *surface =
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weston_desktop_surface_get_implementation_data(dsurface);
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/* Check that if we have a valid wseat we also got a valid desktop seat */
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if (wseat != NULL && seat == NULL) {
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wl_client_post_no_memory(wl_client);
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return;
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}
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if (!weston_surface_is_desktop_surface(parent))
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return;
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parent_surface = weston_surface_get_desktop_surface(parent);
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weston_desktop_wl_shell_change_state(surface, POPUP,
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parent_surface, x, y);
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weston_desktop_surface_popup_grab(surface->surface, seat, serial);
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surface->popup_seat = seat;
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}
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static void
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weston_desktop_wl_shell_surface_protocol_set_maximized(struct wl_client *wl_client,
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struct wl_resource *resource,
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struct wl_resource *output_resource)
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{
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struct weston_desktop_surface *dsurface =
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wl_resource_get_user_data(resource);
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struct weston_desktop_wl_shell_surface *surface =
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weston_desktop_surface_get_implementation_data(dsurface);
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weston_desktop_wl_shell_change_state(surface, MAXIMIZED, NULL, 0, 0);
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weston_desktop_api_maximized_requested(surface->desktop, dsurface, true);
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}
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static void
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weston_desktop_wl_shell_surface_protocol_set_title(struct wl_client *wl_client,
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struct wl_resource *resource,
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const char *title)
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{
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struct weston_desktop_surface *surface =
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wl_resource_get_user_data(resource);
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weston_desktop_surface_set_title(surface, title);
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}
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static void
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weston_desktop_wl_shell_surface_protocol_set_class(struct wl_client *wl_client,
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struct wl_resource *resource,
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const char *class_)
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{
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struct weston_desktop_surface *surface =
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wl_resource_get_user_data(resource);
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weston_desktop_surface_set_app_id(surface, class_);
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}
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static const struct wl_shell_surface_interface weston_desktop_wl_shell_surface_implementation = {
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.pong = weston_desktop_wl_shell_surface_protocol_pong,
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.move = weston_desktop_wl_shell_surface_protocol_move,
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.resize = weston_desktop_wl_shell_surface_protocol_resize,
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.set_toplevel = weston_desktop_wl_shell_surface_protocol_set_toplevel,
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.set_transient = weston_desktop_wl_shell_surface_protocol_set_transient,
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.set_fullscreen = weston_desktop_wl_shell_surface_protocol_set_fullscreen,
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.set_popup = weston_desktop_wl_shell_surface_protocol_set_popup,
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.set_maximized = weston_desktop_wl_shell_surface_protocol_set_maximized,
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.set_title = weston_desktop_wl_shell_surface_protocol_set_title,
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.set_class = weston_desktop_wl_shell_surface_protocol_set_class,
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};
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static const struct weston_desktop_surface_implementation weston_desktop_wl_shell_surface_internal_implementation = {
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.set_size = weston_desktop_wl_shell_surface_set_size,
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.committed = weston_desktop_wl_shell_surface_committed,
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.ping = weston_desktop_wl_shell_surface_ping,
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.close = weston_desktop_wl_shell_surface_close,
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.get_maximized = weston_desktop_wl_shell_surface_get_maximized,
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.get_fullscreen = weston_desktop_wl_shell_surface_get_fullscreen,
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.destroy = weston_desktop_wl_shell_surface_destroy,
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};
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static void
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wl_surface_resource_destroyed(struct wl_listener *listener,
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void *data)
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{
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struct weston_desktop_wl_shell_surface *surface =
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wl_container_of(listener, surface,
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wl_surface_resource_destroy_listener);
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/* the wl_shell_surface spec says that wl_shell_surfaces are to be
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* destroyed automatically when the wl_surface is destroyed. */
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weston_desktop_surface_destroy(surface->surface);
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}
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static void
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weston_desktop_wl_shell_protocol_get_shell_surface(struct wl_client *wl_client,
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struct wl_resource *resource,
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uint32_t id,
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struct wl_resource *surface_resource)
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{
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struct weston_desktop_client *client = wl_resource_get_user_data(resource);
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struct weston_surface *wsurface = wl_resource_get_user_data(surface_resource);
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struct weston_desktop_wl_shell_surface *surface;
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if (weston_surface_set_role(wsurface, "wl_shell_surface", resource, WL_SHELL_ERROR_ROLE) < 0)
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return;
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surface = zalloc(sizeof(struct weston_desktop_wl_shell_surface));
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if (surface == NULL) {
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wl_client_post_no_memory(wl_client);
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return;
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}
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surface->desktop = weston_desktop_client_get_desktop(client);
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surface->display = weston_desktop_get_display(surface->desktop);
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surface->surface =
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weston_desktop_surface_create(surface->desktop, client, wsurface,
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&weston_desktop_wl_shell_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;
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}
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surface->wl_surface_resource_destroy_listener.notify =
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wl_surface_resource_destroyed;
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wl_resource_add_destroy_listener(wsurface->resource,
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&surface->wl_surface_resource_destroy_listener);
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surface->resource =
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weston_desktop_surface_add_resource(surface->surface,
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&wl_shell_surface_interface,
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&weston_desktop_wl_shell_surface_implementation,
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id, NULL);
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}
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static const struct wl_shell_interface weston_desktop_wl_shell_implementation = {
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.get_shell_surface = weston_desktop_wl_shell_protocol_get_shell_surface,
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};
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static void
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weston_desktop_wl_shell_bind(struct wl_client *client, void *data,
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uint32_t version, uint32_t id)
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{
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struct weston_desktop *desktop = data;
|
|
|
|
weston_desktop_client_create(desktop, client, NULL, &wl_shell_interface,
|
|
&weston_desktop_wl_shell_implementation,
|
|
version, id);
|
|
}
|
|
|
|
struct wl_global *
|
|
weston_desktop_wl_shell_create(struct weston_desktop *desktop,
|
|
struct wl_display *display)
|
|
{
|
|
return wl_global_create(display,
|
|
&wl_shell_interface,
|
|
WD_WL_SHELL_PROTOCOL_VERSION, desktop,
|
|
weston_desktop_wl_shell_bind);
|
|
}
|