/* * Wayland Support * * Copyright (C) 2012,2013 Intel Corporation * 2013 Red Hat, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "gtk-shell-server-protocol.h" #include "xdg-shell-server-protocol.h" #include "meta-wayland-private.h" #include "meta-xwayland-private.h" #include "meta-wayland-stage.h" #include "meta-wayland-seat.h" #include "meta-wayland-keyboard.h" #include "meta-wayland-pointer.h" #include "meta-wayland-data-device.h" #include "meta-cursor-tracker-private.h" #include "display-private.h" #include "window-private.h" #include #include #include "frame.h" #include "meta-idle-monitor-private.h" #include "monitor-private.h" #include "meta-surface-actor.h" #include "meta-surface-actor-wayland.h" typedef enum { META_WAYLAND_SUBSURFACE_PLACEMENT_ABOVE, META_WAYLAND_SUBSURFACE_PLACEMENT_BELOW } MetaWaylandSubsurfacePlacement; typedef struct { MetaWaylandSubsurfacePlacement placement; MetaWaylandSurface *sibling; struct wl_listener sibling_destroy_listener; } MetaWaylandSubsurfacePlacementOp; static void surface_handle_buffer_destroy (struct wl_listener *listener, void *data) { MetaWaylandSurface *surface = wl_container_of (listener, surface, buffer_destroy_listener); wl_resource_post_error (surface->resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "Destroyed buffer while it was attached to the surface"); surface->buffer = NULL; wl_list_remove (&surface->buffer_destroy_listener.link); } static void surface_set_buffer (MetaWaylandSurface *surface, MetaWaylandBuffer *buffer) { if (surface->buffer == buffer) return; if (surface->buffer) { meta_wayland_buffer_unref (surface->buffer); wl_list_remove (&surface->buffer_destroy_listener.link); } surface->buffer = buffer; if (surface->buffer) { meta_wayland_buffer_ref (surface->buffer); wl_signal_add (&surface->buffer->destroy_signal, &surface->buffer_destroy_listener); } } static void surface_process_damage (MetaWaylandSurface *surface, cairo_region_t *region) { int i, n_rectangles = cairo_region_num_rectangles (region); for (i = 0; i < n_rectangles; i++) { cairo_rectangle_int_t rect; cairo_region_get_rectangle (region, i, &rect); meta_surface_actor_process_damage (surface->surface_actor, rect.x, rect.y, rect.width, rect.height); } } static void meta_wayland_surface_destroy (struct wl_client *client, struct wl_resource *resource) { wl_resource_destroy (resource); } static void meta_wayland_surface_attach (struct wl_client *client, struct wl_resource *surface_resource, struct wl_resource *buffer_resource, gint32 dx, gint32 dy) { MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); MetaWaylandBuffer *buffer; /* X11 unmanaged window */ if (!surface) return; if (buffer_resource) buffer = meta_wayland_buffer_from_resource (buffer_resource); else buffer = NULL; /* Attach without commit in between does not send wl_buffer.release */ if (surface->pending.buffer) wl_list_remove (&surface->pending.buffer_destroy_listener.link); surface->pending.dx = dx; surface->pending.dy = dy; surface->pending.buffer = buffer; surface->pending.newly_attached = TRUE; if (buffer) wl_signal_add (&buffer->destroy_signal, &surface->pending.buffer_destroy_listener); } static void meta_wayland_surface_damage (struct wl_client *client, struct wl_resource *surface_resource, gint32 x, gint32 y, gint32 width, gint32 height) { MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); cairo_rectangle_int_t rectangle = { x, y, width, height }; /* X11 unmanaged window */ if (!surface) return; cairo_region_union_rectangle (surface->pending.damage, &rectangle); } static void destroy_frame_callback (struct wl_resource *callback_resource) { MetaWaylandFrameCallback *callback = wl_resource_get_user_data (callback_resource); wl_list_remove (&callback->link); g_slice_free (MetaWaylandFrameCallback, callback); } static void meta_wayland_surface_frame (struct wl_client *client, struct wl_resource *surface_resource, guint32 callback_id) { MetaWaylandFrameCallback *callback; MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); /* X11 unmanaged window */ if (!surface) return; callback = g_slice_new0 (MetaWaylandFrameCallback); callback->compositor = surface->compositor; callback->resource = wl_resource_create (client, &wl_callback_interface, META_WL_CALLBACK_VERSION, callback_id); wl_resource_set_implementation (callback->resource, NULL, callback, destroy_frame_callback); wl_list_insert (surface->pending.frame_callback_list.prev, &callback->link); } static void meta_wayland_surface_set_opaque_region (struct wl_client *client, struct wl_resource *surface_resource, struct wl_resource *region_resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); /* X11 unmanaged window */ if (!surface) return; g_clear_pointer (&surface->pending.opaque_region, cairo_region_destroy); if (region_resource) { MetaWaylandRegion *region = wl_resource_get_user_data (region_resource); surface->pending.opaque_region = cairo_region_copy (region->region); } } static void meta_wayland_surface_set_input_region (struct wl_client *client, struct wl_resource *surface_resource, struct wl_resource *region_resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); /* X11 unmanaged window */ if (!surface) return; g_clear_pointer (&surface->pending.input_region, cairo_region_destroy); if (region_resource) { MetaWaylandRegion *region = wl_resource_get_user_data (region_resource); surface->pending.input_region = cairo_region_copy (region->region); } } static void empty_region (cairo_region_t *region) { cairo_rectangle_int_t rectangle = { 0, 0, 0, 0 }; cairo_region_intersect_rectangle (region, &rectangle); } static void ensure_buffer_texture (MetaWaylandBuffer *buffer) { CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ()); CoglError *catch_error = NULL; CoglTexture *texture; if (!buffer) return; texture = COGL_TEXTURE (cogl_wayland_texture_2d_new_from_buffer (ctx, buffer->resource, &catch_error)); if (!texture) { cogl_error_free (catch_error); meta_warning ("Could not import pending buffer, ignoring commit\n"); return; } buffer->texture = texture; } static void cursor_surface_commit (MetaWaylandSurface *surface, MetaWaylandDoubleBufferedState *pending, gboolean buffer_changed) { if (buffer_changed) meta_wayland_seat_update_cursor_surface (surface->compositor->seat); } static void actor_surface_commit (MetaWaylandSurface *surface, MetaWaylandDoubleBufferedState *pending, gboolean buffer_changed) { MetaSurfaceActor *surface_actor = surface->surface_actor; MetaWaylandBuffer *buffer = pending->buffer; if (buffer_changed) { ensure_buffer_texture (buffer); meta_surface_actor_wayland_set_buffer (META_SURFACE_ACTOR_WAYLAND (surface->surface_actor), buffer); } surface_process_damage (surface, pending->damage); if (pending->opaque_region) meta_surface_actor_set_opaque_region (surface_actor, pending->opaque_region); if (pending->input_region) meta_surface_actor_set_input_region (surface_actor, pending->input_region); } static void toplevel_surface_commit (MetaWaylandSurface *surface, MetaWaylandDoubleBufferedState *pending, gboolean buffer_changed) { actor_surface_commit (surface, pending, buffer_changed); if (buffer_changed) { MetaWindow *window = surface->window; MetaWaylandBuffer *buffer = pending->buffer; meta_window_set_surface_mapped (window, buffer != NULL); /* We resize X based surfaces according to X events */ if (buffer != NULL && window->client_type == META_WINDOW_CLIENT_TYPE_WAYLAND) { int new_width, new_height; new_width = cogl_texture_get_width (buffer->texture); new_height = cogl_texture_get_height (buffer->texture); if (new_width != window->rect.width || new_height != window->rect.height || pending->dx != 0 || pending->dy != 0) meta_window_move_resize_wayland (window, new_width, new_height, pending->dx, pending->dy); } } if (pending->frame_extents_changed) meta_window_set_custom_frame_extents (surface->window, &pending->frame_extents); if (pending->maximized.changed) { if (pending->maximized.value) meta_window_maximize (surface->window, META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL); else meta_window_unmaximize (surface->window, META_MAXIMIZE_HORIZONTAL | META_MAXIMIZE_VERTICAL); } if (pending->fullscreen.changed) { if (pending->fullscreen.value) meta_window_make_fullscreen (surface->window); else meta_window_unmake_fullscreen (surface->window); } } static void surface_handle_pending_buffer_destroy (struct wl_listener *listener, void *data) { MetaWaylandDoubleBufferedState *state = wl_container_of (listener, state, buffer_destroy_listener); state->buffer = NULL; } static void double_buffered_state_init (MetaWaylandDoubleBufferedState *state) { state->newly_attached = FALSE; state->buffer = NULL; state->dx = 0; state->dy = 0; state->damage = cairo_region_create (); state->buffer_destroy_listener.notify = surface_handle_pending_buffer_destroy; wl_list_init (&state->frame_callback_list); state->frame_extents_changed = FALSE; state->maximized.changed = FALSE; state->fullscreen.changed = FALSE; } static void double_buffered_state_destroy (MetaWaylandDoubleBufferedState *state) { MetaWaylandFrameCallback *cb, *next; g_clear_pointer (&state->damage, cairo_region_destroy); g_clear_pointer (&state->input_region, cairo_region_destroy); g_clear_pointer (&state->opaque_region, cairo_region_destroy); if (state->buffer) wl_list_remove (&state->buffer_destroy_listener.link); wl_list_for_each_safe (cb, next, &state->frame_callback_list, link) wl_resource_destroy (cb->resource); } static void double_buffered_state_reset (MetaWaylandDoubleBufferedState *state) { double_buffered_state_destroy (state); double_buffered_state_init (state); } static void move_double_buffered_state (MetaWaylandDoubleBufferedState *from, MetaWaylandDoubleBufferedState *to) { if (from->buffer) wl_list_remove (&from->buffer_destroy_listener.link); to->newly_attached = from->newly_attached; from->newly_attached = FALSE; to->buffer = from->buffer; from->buffer = NULL; if (to->buffer) wl_signal_add (&to->buffer->destroy_signal, &to->buffer_destroy_listener); to->dx = from->dx; to->dy = from->dy; from->dx = from->dy = 0; empty_region (to->damage); cairo_region_union (to->damage, from->damage); empty_region (from->damage); g_clear_pointer (&to->input_region, cairo_region_destroy); g_clear_pointer (&to->opaque_region, cairo_region_destroy); to->input_region = from->input_region; to->opaque_region = from->opaque_region; from->input_region = from->opaque_region = NULL; wl_list_init (&to->frame_callback_list); wl_list_insert_list (&to->frame_callback_list, &from->frame_callback_list); wl_list_init (&from->frame_callback_list); } static void subsurface_surface_commit (MetaWaylandSurface *surface, MetaWaylandDoubleBufferedState *pending, gboolean buffer_changed) { /* * If the sub-surface is in synchronous mode, post-pone the commit of its * state until the sub-surface parent commits. * * This is done by moving the various states (damage, input region, buffer * etc.) from the buffered state pending commit to the sub-surface's pending * buffered state. * * The sub-surface's pending buffered state will be committed to the * associated surface when its parent surface is committed, or if the user * issues a wl_subsurface.set_desync request. */ if (surface->sub.synchronous) { move_double_buffered_state (pending, &surface->sub.pending_surface_state); } else { actor_surface_commit (surface, pending, buffer_changed); if (buffer_changed) { MetaSurfaceActor *surface_actor = surface->surface_actor; MetaWaylandBuffer *buffer = pending->buffer; float x, y; if (buffer != NULL) clutter_actor_show (CLUTTER_ACTOR (surface_actor)); else clutter_actor_hide (CLUTTER_ACTOR (surface_actor)); clutter_actor_get_position (CLUTTER_ACTOR (surface_actor), &x, &y); x += pending->dx; y += pending->dy; clutter_actor_set_position (CLUTTER_ACTOR (surface_actor), x, y); } } } static void subsurface_parent_surface_committed (MetaWaylandSurface *surface); static void parent_surface_committed (gpointer data, gpointer user_data) { subsurface_parent_surface_committed (data); } static void commit_double_buffered_state (MetaWaylandSurface *surface, MetaWaylandDoubleBufferedState *pending) { MetaWaylandCompositor *compositor = surface->compositor; gboolean buffer_changed = FALSE; /* wl_surface.attach */ if (pending->newly_attached && surface->buffer != pending->buffer) { surface_set_buffer (surface, pending->buffer); buffer_changed = TRUE; } if (surface == compositor->seat->cursor_surface) cursor_surface_commit (surface, pending, buffer_changed); else if (surface->window) toplevel_surface_commit (surface, pending, buffer_changed); else if (surface->subsurface.resource) subsurface_surface_commit (surface, pending, buffer_changed); g_list_foreach (surface->subsurfaces, parent_surface_committed, NULL); if (pending->buffer) { wl_list_remove (&pending->buffer_destroy_listener.link); pending->buffer = NULL; } /* wl_surface.frame */ wl_list_insert_list (&compositor->frame_callbacks, &pending->frame_callback_list); wl_list_init (&pending->frame_callback_list); double_buffered_state_reset (pending); } static void meta_wayland_surface_commit (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); /* X11 unmanaged window */ if (!surface) return; commit_double_buffered_state (surface, &surface->pending); } static void meta_wayland_surface_set_buffer_transform (struct wl_client *client, struct wl_resource *resource, int32_t transform) { g_warning ("TODO: support set_buffer_transform request"); } static void meta_wayland_surface_set_buffer_scale (struct wl_client *client, struct wl_resource *resource, int scale) { if (scale != 1) g_warning ("TODO: support set_buffer_scale request"); } const struct wl_surface_interface meta_wayland_surface_interface = { meta_wayland_surface_destroy, meta_wayland_surface_attach, meta_wayland_surface_damage, meta_wayland_surface_frame, meta_wayland_surface_set_opaque_region, meta_wayland_surface_set_input_region, meta_wayland_surface_commit, meta_wayland_surface_set_buffer_transform, meta_wayland_surface_set_buffer_scale }; static void unparent_actor (MetaWaylandSurface *surface) { ClutterActor *parent_actor; parent_actor = clutter_actor_get_parent (CLUTTER_ACTOR (surface->surface_actor)); clutter_actor_remove_child (parent_actor, CLUTTER_ACTOR (surface->surface_actor)); } void meta_wayland_surface_window_unmanaged (MetaWaylandSurface *surface) { /* The window is being unmanaged. Unparent our surface actor * before the window actor is destroyed, as we need to hold * onto it... */ unparent_actor (surface); surface->window = NULL; } static void destroy_window (MetaWaylandSurface *surface) { if (surface->window) { MetaDisplay *display = meta_get_display (); guint32 timestamp = meta_display_get_current_time_roundtrip (display); meta_window_unmanage (surface->window, timestamp); } g_assert (surface->window == NULL); } static void wl_surface_destructor (struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); MetaWaylandCompositor *compositor = surface->compositor; /* If we still have a window at the time of destruction, that means that * the client is disconnecting, as the resources are destroyed in a random * order. Simply destroy the window in this case. */ if (surface->window) destroy_window (surface); compositor->surfaces = g_list_remove (compositor->surfaces, surface); surface_set_buffer (surface, NULL); double_buffered_state_destroy (&surface->pending); g_object_unref (surface->surface_actor); if (surface->resource) wl_resource_set_user_data (surface->resource, NULL); g_slice_free (MetaWaylandSurface, surface); meta_wayland_compositor_repick (compositor); } MetaWaylandSurface * meta_wayland_surface_create (MetaWaylandCompositor *compositor, struct wl_client *client, guint32 id, guint32 version) { MetaWaylandSurface *surface = g_slice_new0 (MetaWaylandSurface); surface->compositor = compositor; surface->resource = wl_resource_create (client, &wl_surface_interface, version, id); wl_resource_set_implementation (surface->resource, &meta_wayland_surface_interface, surface, wl_surface_destructor); surface->buffer_destroy_listener.notify = surface_handle_buffer_destroy; surface->surface_actor = g_object_ref_sink (meta_surface_actor_wayland_new (surface)); clutter_actor_set_reactive (CLUTTER_ACTOR (surface->surface_actor), TRUE); double_buffered_state_init (&surface->pending); return surface; } static void destroy_surface_extension (MetaWaylandSurfaceExtension *extension) { wl_list_remove (&extension->surface_destroy_listener.link); extension->resource = NULL; } static void extension_handle_surface_destroy (struct wl_listener *listener, void *data) { MetaWaylandSurfaceExtension *extension = wl_container_of (listener, extension, surface_destroy_listener); wl_resource_destroy (extension->resource); } static int get_resource_version (struct wl_resource *master_resource, int max_version) { return MIN (max_version, wl_resource_get_version (master_resource)); } static gboolean create_surface_extension (MetaWaylandSurfaceExtension *extension, struct wl_client *client, struct wl_resource *master_resource, struct wl_resource *surface_resource, guint32 id, int max_version, const struct wl_interface *interface, const void *implementation, wl_resource_destroy_func_t destructor) { if (extension->resource != NULL) return FALSE; extension->resource = wl_resource_create (client, interface, get_resource_version (master_resource, max_version), id); wl_resource_set_implementation (extension->resource, implementation, extension, destructor); extension->surface_destroy_listener.notify = extension_handle_surface_destroy; wl_resource_add_destroy_listener (surface_resource, &extension->surface_destroy_listener); return TRUE; } static void xdg_shell_use_unstable_version (struct wl_client *client, struct wl_resource *resource, int32_t version) { if (version != XDG_SHELL_VERSION_CURRENT) g_warning ("Bad xdg_shell version: %d", version); } static void xdg_shell_pong (struct wl_client *client, struct wl_resource *resource, uint32_t serial) { MetaDisplay *display = meta_get_display (); meta_display_pong_for_serial (display, serial); } static void xdg_surface_destructor (struct wl_resource *resource) { MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); destroy_window (surface); destroy_surface_extension (xdg_surface); } static void xdg_surface_destroy (struct wl_client *client, struct wl_resource *resource) { wl_resource_destroy (resource); } static void xdg_surface_set_transient_for (struct wl_client *client, struct wl_resource *resource, struct wl_resource *parent_resource) { MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); MetaWindow *transient_for = NULL; if (parent_resource) { MetaWaylandSurface *parent_surface = wl_resource_get_user_data (parent_resource); transient_for = parent_surface->window; } meta_window_set_transient_for (surface->window, transient_for); } static void xdg_surface_set_margin (struct wl_client *client, struct wl_resource *resource, int32_t left_margin, int32_t right_margin, int32_t top_margin, int32_t bottom_margin) { MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); surface->pending.frame_extents_changed = TRUE; surface->pending.frame_extents.left = left_margin; surface->pending.frame_extents.right = right_margin; surface->pending.frame_extents.top = top_margin; surface->pending.frame_extents.bottom = bottom_margin; } static void xdg_surface_set_title (struct wl_client *client, struct wl_resource *resource, const char *title) { MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); meta_window_set_title (surface->window, title); } static void xdg_surface_set_app_id (struct wl_client *client, struct wl_resource *resource, const char *app_id) { MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); meta_window_set_wm_class (surface->window, app_id, app_id); } static gboolean begin_grab_op_on_surface (MetaWaylandSurface *surface, MetaWaylandSeat *seat, MetaGrabOp grab_op) { MetaWindow *window = surface->window; if (grab_op == META_GRAB_OP_NONE) return FALSE; return meta_display_begin_grab_op (window->display, window->screen, window, grab_op, TRUE, /* pointer_already_grabbed */ FALSE, /* frame_action */ 1, /* button. XXX? */ 0, /* modmask */ meta_display_get_current_time_roundtrip (window->display), wl_fixed_to_int (seat->pointer.grab_x), wl_fixed_to_int (seat->pointer.grab_y)); } static void xdg_surface_move (struct wl_client *client, struct wl_resource *resource, struct wl_resource *seat_resource, guint32 serial) { MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource); MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); if (seat->pointer.button_count == 0 || seat->pointer.grab_serial != serial || seat->pointer.focus_surface != surface) return; begin_grab_op_on_surface (surface, seat, META_GRAB_OP_MOVING); } static MetaGrabOp grab_op_for_edge (int edge) { switch (edge) { case XDG_SURFACE_RESIZE_EDGE_TOP_LEFT: return META_GRAB_OP_RESIZING_NW; case XDG_SURFACE_RESIZE_EDGE_TOP: return META_GRAB_OP_RESIZING_N; case XDG_SURFACE_RESIZE_EDGE_TOP_RIGHT: return META_GRAB_OP_RESIZING_NE; case XDG_SURFACE_RESIZE_EDGE_RIGHT: return META_GRAB_OP_RESIZING_E; case XDG_SURFACE_RESIZE_EDGE_BOTTOM_RIGHT: return META_GRAB_OP_RESIZING_SE; case XDG_SURFACE_RESIZE_EDGE_BOTTOM: return META_GRAB_OP_RESIZING_S; case XDG_SURFACE_RESIZE_EDGE_BOTTOM_LEFT: return META_GRAB_OP_RESIZING_SW; case XDG_SURFACE_RESIZE_EDGE_LEFT: return META_GRAB_OP_RESIZING_W; default: g_warning ("invalid edge: %d", edge); return META_GRAB_OP_NONE; } } static void xdg_surface_resize (struct wl_client *client, struct wl_resource *resource, struct wl_resource *seat_resource, guint32 serial, guint32 edges) { MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource); MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); if (seat->pointer.button_count == 0 || seat->pointer.grab_serial != serial || seat->pointer.focus_surface != surface) return; begin_grab_op_on_surface (surface, seat, grab_op_for_edge (edges)); } static void xdg_surface_set_output (struct wl_client *client, struct wl_resource *resource, struct wl_resource *output) { g_warning ("TODO: support xdg_surface.set_output"); } static void xdg_surface_set_fullscreen (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); surface->pending.fullscreen.changed = TRUE; surface->pending.fullscreen.value = TRUE; } static void xdg_surface_unset_fullscreen (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); surface->pending.fullscreen.changed = TRUE; surface->pending.fullscreen.value = FALSE; } static void xdg_surface_set_maximized (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); surface->pending.maximized.changed = TRUE; surface->pending.maximized.value = TRUE; } static void xdg_surface_unset_maximized (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); surface->pending.maximized.changed = TRUE; surface->pending.maximized.value = FALSE; } static void xdg_surface_set_minimized (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurfaceExtension *xdg_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_surface, surface, xdg_surface); meta_window_minimize (surface->window); } static const struct xdg_surface_interface meta_wayland_xdg_surface_interface = { xdg_surface_destroy, xdg_surface_set_transient_for, xdg_surface_set_margin, xdg_surface_set_title, xdg_surface_set_app_id, xdg_surface_move, xdg_surface_resize, xdg_surface_set_output, xdg_surface_set_fullscreen, xdg_surface_unset_fullscreen, xdg_surface_set_maximized, xdg_surface_unset_maximized, xdg_surface_set_minimized, }; static void xdg_shell_get_xdg_surface (struct wl_client *client, struct wl_resource *resource, guint32 id, struct wl_resource *surface_resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); if (!create_surface_extension (&surface->xdg_surface, client, surface_resource, resource, id, META_XDG_SURFACE_VERSION, &xdg_surface_interface, &meta_wayland_xdg_surface_interface, xdg_surface_destructor)) { wl_resource_post_error (surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "xdg_shell::get_xdg_surface already requested"); return; } surface->window = meta_window_wayland_new (meta_get_display (), surface); } static void xdg_popup_destructor (struct wl_resource *resource) { MetaWaylandSurfaceExtension *xdg_popup = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (xdg_popup, surface, xdg_popup); destroy_window (surface); destroy_surface_extension (xdg_popup); } static void xdg_popup_destroy (struct wl_client *client, struct wl_resource *resource) { wl_resource_destroy (resource); } static const struct xdg_popup_interface meta_wayland_xdg_popup_interface = { xdg_popup_destroy, }; static void xdg_shell_get_xdg_popup (struct wl_client *client, struct wl_resource *resource, uint32_t id, struct wl_resource *surface_resource, struct wl_resource *parent_resource, struct wl_resource *seat_resource, uint32_t serial, int32_t x, int32_t y, uint32_t flags) { MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); MetaWaylandSurface *parent_surf = wl_resource_get_user_data (parent_resource); MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource); if (parent_surf == NULL || parent_surf->window == NULL) return; if (!create_surface_extension (&surface->xdg_popup, client, surface_resource, resource, id, META_XDG_POPUP_VERSION, &xdg_popup_interface, &meta_wayland_xdg_popup_interface, xdg_popup_destructor)) { wl_resource_post_error (surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "xdg_shell::get_xdg_popup already requested"); return; } surface->window = meta_window_wayland_new (meta_get_display (), surface); surface->window->rect.x = parent_surf->window->rect.x + x; surface->window->rect.y = parent_surf->window->rect.y + y; surface->window->showing_for_first_time = FALSE; surface->window->placed = TRUE; meta_window_set_transient_for (surface->window, parent_surf->window); surface->window->type = META_WINDOW_DROPDOWN_MENU; meta_window_type_changed (surface->window); meta_wayland_pointer_start_popup_grab (&seat->pointer, surface); } static const struct xdg_shell_interface meta_wayland_xdg_shell_interface = { xdg_shell_use_unstable_version, xdg_shell_get_xdg_surface, xdg_shell_get_xdg_popup, xdg_shell_pong, }; typedef struct { struct wl_resource *resource; struct wl_listener client_destroy_listener; } XdgShell; static void xdg_shell_handle_client_destroy (struct wl_listener *listener, void *data) { XdgShell *xdg_shell = wl_container_of (listener, xdg_shell, client_destroy_listener); g_slice_free (XdgShell, xdg_shell); } static struct wl_resource * get_xdg_shell_for_client (struct wl_client *client) { struct wl_listener *listener; XdgShell *xdg_shell; listener = wl_client_get_destroy_listener (client, xdg_shell_handle_client_destroy); /* No xdg_shell has been bound for this client */ if (listener == NULL) return NULL; xdg_shell = wl_container_of (listener, xdg_shell, client_destroy_listener); return xdg_shell->resource; } static void bind_xdg_shell (struct wl_client *client, void *data, guint32 version, guint32 id) { struct wl_resource *resource; XdgShell *xdg_shell; if (version != 1) { g_warning ("using xdg-shell without stable version 1\n"); return; } xdg_shell = g_slice_new (XdgShell); resource = wl_resource_create (client, &xdg_shell_interface, 1, id); wl_resource_set_implementation (resource, &meta_wayland_xdg_shell_interface, data, NULL); xdg_shell->resource = wl_resource_create (client, &xdg_shell_interface, 1, id); wl_resource_set_implementation (xdg_shell->resource, &meta_wayland_xdg_shell_interface, data, NULL); xdg_shell->client_destroy_listener.notify = xdg_shell_handle_client_destroy; wl_client_add_destroy_listener (client, &xdg_shell->client_destroy_listener); } static void gtk_surface_destructor (struct wl_resource *resource) { MetaWaylandSurfaceExtension *gtk_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (gtk_surface, surface, gtk_surface); destroy_surface_extension (gtk_surface); } static void set_dbus_properties (struct wl_client *client, struct wl_resource *resource, const char *application_id, const char *app_menu_path, const char *menubar_path, const char *window_object_path, const char *application_object_path, const char *unique_bus_name) { MetaWaylandSurfaceExtension *gtk_surface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (gtk_surface, surface, gtk_surface); /* Broken client, let it die instead of us */ if (!surface->window) { meta_warning ("meta-wayland-surface: set_dbus_properties called with invalid window!\n"); return; } meta_window_set_gtk_dbus_properties (surface->window, application_id, unique_bus_name, app_menu_path, menubar_path, application_object_path, window_object_path); } static const struct gtk_surface_interface meta_wayland_gtk_surface_interface = { set_dbus_properties }; static void get_gtk_surface (struct wl_client *client, struct wl_resource *resource, guint32 id, struct wl_resource *surface_resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); if (!create_surface_extension (&surface->gtk_surface, client, surface_resource, resource, id, META_GTK_SURFACE_VERSION, >k_surface_interface, &meta_wayland_gtk_surface_interface, gtk_surface_destructor)) { wl_resource_post_error (surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "gtk_shell::get_gtk_surface already requested"); return; } } static const struct gtk_shell_interface meta_wayland_gtk_shell_interface = { get_gtk_surface }; static void bind_gtk_shell (struct wl_client *client, void *data, guint32 version, guint32 id) { struct wl_resource *resource; resource = wl_resource_create (client, >k_shell_interface, MIN (META_GTK_SHELL_VERSION, version), id); wl_resource_set_implementation (resource, &meta_wayland_gtk_shell_interface, data, NULL); /* FIXME: ask the plugin */ gtk_shell_send_capabilities (resource, GTK_SHELL_CAPABILITY_GLOBAL_APP_MENU); } static void subsurface_parent_surface_committed (MetaWaylandSurface *surface) { MetaWaylandDoubleBufferedState *pending_surface_state = &surface->sub.pending_surface_state; if (surface->sub.pending_pos) { clutter_actor_set_position (CLUTTER_ACTOR (surface->surface_actor), surface->sub.pending_x, surface->sub.pending_y); surface->sub.pending_pos = FALSE; } if (surface->sub.pending_placement_ops) { GSList *it; for (it = surface->sub.pending_placement_ops; it; it = it->next) { MetaWaylandSubsurfacePlacementOp *op = it->data; ClutterActor *surface_actor; ClutterActor *parent_actor; ClutterActor *sibling_actor; if (!op->sibling) { g_slice_free (MetaWaylandSubsurfacePlacementOp, op); continue; } surface_actor = CLUTTER_ACTOR (surface->surface_actor); parent_actor = clutter_actor_get_parent (CLUTTER_ACTOR (surface->sub.parent)); sibling_actor = CLUTTER_ACTOR (op->sibling->surface_actor); switch (op->placement) { case META_WAYLAND_SUBSURFACE_PLACEMENT_ABOVE: clutter_actor_set_child_above_sibling (parent_actor, surface_actor, sibling_actor); break; case META_WAYLAND_SUBSURFACE_PLACEMENT_BELOW: clutter_actor_set_child_below_sibling (parent_actor, surface_actor, sibling_actor); break; } wl_list_remove (&op->sibling_destroy_listener.link); g_slice_free (MetaWaylandSubsurfacePlacementOp, op); } g_slist_free (surface->sub.pending_placement_ops); surface->sub.pending_placement_ops = NULL; } if (surface->sub.synchronous) commit_double_buffered_state (surface, pending_surface_state); double_buffered_state_reset (pending_surface_state); } static void wl_subsurface_destructor (struct wl_resource *resource) { MetaWaylandSurfaceExtension *subsurface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (subsurface, surface, subsurface); if (surface->sub.parent) { wl_list_remove (&surface->sub.parent_destroy_listener.link); surface->sub.parent->subsurfaces = g_list_remove (surface->sub.parent->subsurfaces, surface); unparent_actor (surface); surface->sub.parent = NULL; } double_buffered_state_destroy (&surface->sub.pending_surface_state); destroy_surface_extension (subsurface); } static void wl_subsurface_destroy (struct wl_client *client, struct wl_resource *resource) { wl_resource_destroy (resource); } static void wl_subsurface_set_position (struct wl_client *client, struct wl_resource *resource, int32_t x, int32_t y) { MetaWaylandSurfaceExtension *subsurface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (subsurface, surface, subsurface); surface->sub.pending_x = x; surface->sub.pending_y = y; surface->sub.pending_pos = TRUE; } static gboolean is_valid_sibling (MetaWaylandSurface *surface, MetaWaylandSurface *sibling) { if (surface->sub.parent == sibling) return TRUE; if (surface->sub.parent == sibling->sub.parent) return TRUE; return FALSE; } static void subsurface_handle_pending_sibling_destroyed (struct wl_listener *listener, void *data) { MetaWaylandSubsurfacePlacementOp *op = wl_container_of (listener, op, sibling_destroy_listener); op->sibling = NULL; } static void queue_subsurface_placement (MetaWaylandSurface *surface, MetaWaylandSurface *sibling, MetaWaylandSubsurfacePlacement placement) { MetaWaylandSubsurfacePlacementOp *op = g_slice_new (MetaWaylandSubsurfacePlacementOp); op->placement = placement; op->sibling = sibling; op->sibling_destroy_listener.notify = subsurface_handle_pending_sibling_destroyed; wl_resource_add_destroy_listener (sibling->resource, &op->sibling_destroy_listener); surface->sub.pending_placement_ops = g_slist_append (surface->sub.pending_placement_ops, op); } static void wl_subsurface_place_above (struct wl_client *client, struct wl_resource *resource, struct wl_resource *sibling_resource) { MetaWaylandSurfaceExtension *subsurface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (subsurface, surface, subsurface); MetaWaylandSurface *sibling = wl_resource_get_user_data (sibling_resource); if (!is_valid_sibling (surface, sibling)) { wl_resource_post_error (resource, WL_SUBSURFACE_ERROR_BAD_SURFACE, "wl_subsurface::place_above: wl_surface@%d is " "not a valid parent or sibling", wl_resource_get_id (sibling->resource)); return; } queue_subsurface_placement (surface, sibling, META_WAYLAND_SUBSURFACE_PLACEMENT_ABOVE); } static void wl_subsurface_place_below (struct wl_client *client, struct wl_resource *resource, struct wl_resource *sibling_resource) { MetaWaylandSurfaceExtension *subsurface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (subsurface, surface, subsurface); MetaWaylandSurface *sibling = wl_resource_get_user_data (sibling_resource); if (!is_valid_sibling (surface, sibling)) { wl_resource_post_error (resource, WL_SUBSURFACE_ERROR_BAD_SURFACE, "wl_subsurface::place_below: wl_surface@%d is " "not a valid parent or sibling", wl_resource_get_id (sibling->resource)); return; } queue_subsurface_placement (surface, sibling, META_WAYLAND_SUBSURFACE_PLACEMENT_BELOW); } static void wl_subsurface_set_sync (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurfaceExtension *subsurface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (subsurface, surface, subsurface); surface->sub.synchronous = TRUE; } static void wl_subsurface_set_desync (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurfaceExtension *subsurface = wl_resource_get_user_data (resource); MetaWaylandSurface *surface = wl_container_of (subsurface, surface, subsurface); if (surface->sub.synchronous) subsurface_parent_surface_committed (surface); surface->sub.synchronous = FALSE; } static const struct wl_subsurface_interface meta_wayland_subsurface_interface = { wl_subsurface_destroy, wl_subsurface_set_position, wl_subsurface_place_above, wl_subsurface_place_below, wl_subsurface_set_sync, wl_subsurface_set_desync, }; static void wl_subcompositor_destroy (struct wl_client *client, struct wl_resource *resource) { wl_resource_destroy (resource); } static void surface_handle_parent_surface_destroyed (struct wl_listener *listener, void *data) { MetaWaylandSurface *surface = wl_container_of (listener, surface, sub.parent_destroy_listener); surface->sub.parent = NULL; unparent_actor (surface); } static void wl_subcompositor_get_subsurface (struct wl_client *client, struct wl_resource *resource, guint32 id, struct wl_resource *surface_resource, struct wl_resource *parent_resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); MetaWaylandSurface *parent = wl_resource_get_user_data (parent_resource); if (!create_surface_extension (&surface->subsurface, client, surface_resource, resource, id, META_GTK_SURFACE_VERSION, &wl_subsurface_interface, &meta_wayland_subsurface_interface, wl_subsurface_destructor)) { wl_resource_post_error (surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "wl_subcompositor::get_subsurface already requested"); return; } double_buffered_state_init (&surface->sub.pending_surface_state); surface->sub.parent = parent; surface->sub.parent_destroy_listener.notify = surface_handle_parent_surface_destroyed; wl_resource_add_destroy_listener (parent->resource, &surface->sub.parent_destroy_listener); parent->subsurfaces = g_list_append (parent->subsurfaces, surface); clutter_actor_add_child (CLUTTER_ACTOR (parent->surface_actor), CLUTTER_ACTOR (surface->surface_actor)); } static const struct wl_subcompositor_interface meta_wayland_subcompositor_interface = { wl_subcompositor_destroy, wl_subcompositor_get_subsurface, }; static void bind_subcompositor (struct wl_client *client, void *data, guint32 version, guint32 id) { struct wl_resource *resource; resource = wl_resource_create (client, &wl_subcompositor_interface, MIN (META_WL_SUBCOMPOSITOR_VERSION, version), id); wl_resource_set_implementation (resource, &meta_wayland_subcompositor_interface, data, NULL); } void meta_wayland_init_shell (MetaWaylandCompositor *compositor) { if (wl_global_create (compositor->wayland_display, &xdg_shell_interface, 1, compositor, bind_xdg_shell) == NULL) g_error ("Failed to register a global xdg-shell object"); if (wl_global_create (compositor->wayland_display, >k_shell_interface, META_GTK_SHELL_VERSION, compositor, bind_gtk_shell) == NULL) g_error ("Failed to register a global gtk-shell object"); if (wl_global_create (compositor->wayland_display, &wl_subcompositor_interface, META_WL_SUBCOMPOSITOR_VERSION, compositor, bind_subcompositor) == NULL) g_error ("Failed to register a global wl-subcompositor object"); } void meta_wayland_surface_configure_notify (MetaWaylandSurface *surface, int new_width, int new_height) { if (surface->xdg_surface.resource) xdg_surface_send_configure (surface->xdg_surface.resource, new_width, new_height); } void meta_wayland_surface_activated (MetaWaylandSurface *surface) { if (surface->xdg_surface.resource) xdg_surface_send_activated (surface->xdg_surface.resource); } void meta_wayland_surface_deactivated (MetaWaylandSurface *surface) { if (surface->xdg_surface.resource) xdg_surface_send_deactivated (surface->xdg_surface.resource); } void meta_wayland_surface_ping (MetaWaylandSurface *surface, guint32 serial) { struct wl_client *client = wl_resource_get_client (surface->resource); struct wl_resource *xdg_shell = get_xdg_shell_for_client (client); if (xdg_shell == NULL) { g_warning ("Trying to ping a surface without an xdg_shell bound. How does this happen?"); return; } xdg_shell_send_ping (xdg_shell, serial); } void meta_wayland_surface_delete (MetaWaylandSurface *surface) { if (surface->xdg_surface.resource) xdg_surface_send_delete (surface->xdg_surface.resource); }