/* * 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 "config.h" #include "meta-wayland-surface.h" #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-buffer.h" #include "meta-wayland-region.h" #include "meta-wayland-seat.h" #include "meta-wayland-keyboard.h" #include "meta-wayland-pointer.h" #include "meta-wayland-popup.h" #include "meta-wayland-data-device.h" #include "meta-cursor-tracker-private.h" #include "display-private.h" #include "window-private.h" #include "meta-window-wayland.h" #include "compositor/region-utils.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; int meta_wayland_surface_set_role (MetaWaylandSurface *surface, MetaWaylandSurfaceRole role, struct wl_resource *error_resource, uint32_t error_code) { if (surface->role == META_WAYLAND_SURFACE_ROLE_NONE || surface->role == role) { surface->role = role; return 0; } else { wl_resource_post_error (error_resource, error_code, "wl_surface@%d already has a different role", wl_resource_get_id (surface->resource)); return -1; } } static void surface_set_buffer (MetaWaylandSurface *surface, MetaWaylandBuffer *buffer) { if (surface->buffer == buffer) return; if (surface->buffer) { wl_list_remove (&surface->buffer_destroy_listener.link); meta_wayland_buffer_unref (surface->buffer); } 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_handle_buffer_destroy (struct wl_listener *listener, void *data) { MetaWaylandSurface *surface = wl_container_of (listener, surface, buffer_destroy_listener); surface_set_buffer (surface, NULL); } static void surface_process_damage (MetaWaylandSurface *surface, cairo_region_t *region) { unsigned int buffer_width; unsigned int buffer_height; cairo_rectangle_int_t surface_rect; cairo_region_t *scaled_region; int i, n_rectangles; if (!surface->buffer) return; /* Intersect the damage region with the surface region before scaling in * order to avoid integer overflow when scaling a damage region is too large * (for example INT32_MAX which mesa passes). */ buffer_width = cogl_texture_get_width (surface->buffer->texture); buffer_height = cogl_texture_get_height (surface->buffer->texture); surface_rect = (cairo_rectangle_int_t) { .width = buffer_width / surface->scale, .height = buffer_height / surface->scale, }; cairo_region_intersect_rectangle (region, &surface_rect); /* The damage region must be in the same coordinate space as the buffer, * i.e. scaled with surface->scale. */ scaled_region = meta_region_scale (region, surface->scale); /* First update the buffer. */ meta_wayland_buffer_process_damage (surface->buffer, scaled_region); /* Now damage the actor. The actor expects damage in the unscaled texture * coordinate space, i.e. same as the buffer. */ /* XXX: Should this be a signal / callback on MetaWaylandBuffer instead? */ n_rectangles = cairo_region_num_rectangles (scaled_region); for (i = 0; i < n_rectangles; i++) { cairo_rectangle_int_t rect; cairo_region_get_rectangle (scaled_region, i, &rect); meta_surface_actor_process_damage (surface->surface_actor, rect.x, rect.y, rect.width, rect.height); } cairo_region_destroy (scaled_region); } static void cursor_surface_commit (MetaWaylandSurface *surface, MetaWaylandPendingState *pending) { if (pending->newly_attached) meta_wayland_seat_update_cursor_surface (surface->compositor->seat); } static void dnd_surface_commit (MetaWaylandSurface *surface, MetaWaylandPendingState *pending) { meta_wayland_data_device_update_dnd_surface (&surface->compositor->seat->data_device); } static void calculate_surface_window_geometry (MetaWaylandSurface *surface, MetaRectangle *total_geometry, float parent_x, float parent_y) { ClutterActor *surface_actor = CLUTTER_ACTOR (surface->surface_actor); MetaRectangle geom; float x, y; GList *l; /* Unmapped surfaces don't count. */ if (!CLUTTER_ACTOR_IS_VISIBLE (surface_actor)) return; if (!surface->buffer) return; /* XXX: Is there a better way to do this using Clutter APIs? */ clutter_actor_get_position (surface_actor, &x, &y); geom.x = parent_x + x; geom.y = parent_x + y; geom.width = cogl_texture_get_width (surface->buffer->texture); geom.height = cogl_texture_get_height (surface->buffer->texture); meta_rectangle_union (total_geometry, &geom, total_geometry); for (l = surface->subsurfaces; l != NULL; l = l->next) { MetaWaylandSurface *subsurface = l->data; calculate_surface_window_geometry (subsurface, total_geometry, x, y); } } 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 toplevel_surface_commit (MetaWaylandSurface *surface, MetaWaylandPendingState *pending) { MetaWindow *window = surface->window; if (surface->role == META_WAYLAND_SURFACE_ROLE_WL_SHELL_SURFACE) { /* For wl_shell, it's equivalent to an unmap. Semantics * are poorly defined, so we can choose some that are * convenient for us. */ if (surface->buffer && !window) { window = meta_window_wayland_new (meta_get_display (), surface); meta_wayland_surface_set_window (surface, window); } else if (surface->buffer == NULL && window) { destroy_window (surface); return; } } else { if (surface->buffer == NULL) { /* XDG surfaces can't commit NULL buffers */ wl_resource_post_error (surface->resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "Cannot commit a NULL buffer to an xdg_surface"); return; } } /* We resize X based surfaces according to X events */ if (window->client_type == META_WINDOW_CLIENT_TYPE_WAYLAND) { MetaRectangle geom = { 0 }; CoglTexture *texture = surface->buffer->texture; /* Update the buffer rect immediately. */ window->buffer_rect.width = cogl_texture_get_width (texture); window->buffer_rect.height = cogl_texture_get_height (texture); if (pending->has_new_geometry) { /* If we have new geometry, use it. */ geom = pending->new_geometry; surface->has_set_geometry = TRUE; } else if (!surface->has_set_geometry) { /* If the surface has never set any geometry, calculate * a default one unioning the surface and all subsurfaces together. */ calculate_surface_window_geometry (surface, &geom, 0, 0); } else { /* Otherwise, keep the geometry the same. */ /* XXX: We don't store the geometry in any consistent place * right now, so we can't re-fetch it. We should change * meta_window_wayland_move_resize. */ /* XXX: This is the common case. Recognize it to prevent * a warning. */ if (pending->dx == 0 && pending->dy == 0) return; g_warning ("XXX: Attach-initiated move without a new geometry. This is unimplemented right now."); return; } meta_window_wayland_move_resize (window, &surface->acked_configure_serial, geom, pending->dx, pending->dy); surface->acked_configure_serial.set = FALSE; } } static void surface_handle_pending_buffer_destroy (struct wl_listener *listener, void *data) { MetaWaylandPendingState *state = wl_container_of (listener, state, buffer_destroy_listener); state->buffer = NULL; } static void pending_state_init (MetaWaylandPendingState *state) { state->newly_attached = FALSE; state->buffer = NULL; state->dx = 0; state->dy = 0; state->scale = 0; state->input_region = NULL; state->opaque_region = NULL; state->damage = cairo_region_create (); state->buffer_destroy_listener.notify = surface_handle_pending_buffer_destroy; wl_list_init (&state->frame_callback_list); state->has_new_geometry = FALSE; } static void pending_state_destroy (MetaWaylandPendingState *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 pending_state_reset (MetaWaylandPendingState *state) { pending_state_destroy (state); pending_state_init (state); } static void move_pending_state (MetaWaylandPendingState *from, MetaWaylandPendingState *to) { if (from->buffer) wl_list_remove (&from->buffer_destroy_listener.link); *to = *from; wl_list_init (&to->frame_callback_list); wl_list_insert_list (&to->frame_callback_list, &from->frame_callback_list); if (to->buffer) wl_signal_add (&to->buffer->destroy_signal, &to->buffer_destroy_listener); pending_state_init (from); } static void subsurface_surface_commit (MetaWaylandSurface *surface, MetaWaylandPendingState *pending) { MetaSurfaceActor *surface_actor = surface->surface_actor; float x, y; if (surface->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); } /* A non-subsurface is always desynchronized. * * A subsurface is effectively synchronized if either its parent is * synchronized or itself is in synchronized mode. */ static gboolean is_surface_effectively_synchronized (MetaWaylandSurface *surface) { if (surface->wl_subsurface == NULL) { return FALSE; } else { if (surface->sub.synchronous) return TRUE; else return is_surface_effectively_synchronized (surface->sub.parent); } } static void apply_pending_state (MetaWaylandSurface *surface, MetaWaylandPendingState *pending); static void parent_surface_state_applied (gpointer data, gpointer user_data) { MetaWaylandSurface *surface = data; 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 (is_surface_effectively_synchronized (surface)) apply_pending_state (surface, &surface->sub.pending); } static void apply_pending_state (MetaWaylandSurface *surface, MetaWaylandPendingState *pending) { MetaWaylandCompositor *compositor = surface->compositor; if (pending->newly_attached) { surface_set_buffer (surface, pending->buffer); if (pending->buffer) { CoglTexture *texture = meta_wayland_buffer_ensure_texture (pending->buffer); meta_surface_actor_wayland_set_texture (META_SURFACE_ACTOR_WAYLAND (surface->surface_actor), texture); } } if (pending->scale > 0) surface->scale = pending->scale; if (!cairo_region_is_empty (pending->damage)) surface_process_damage (surface, pending->damage); surface->offset_x += pending->dx; surface->offset_y += pending->dy; if (pending->opaque_region) { if (surface->opaque_region) cairo_region_destroy (surface->opaque_region); surface->opaque_region = cairo_region_reference (pending->opaque_region); } if (pending->input_region) { if (surface->input_region) cairo_region_destroy (surface->input_region); surface->input_region = cairo_region_reference (pending->input_region); } meta_surface_actor_wayland_sync_state ( META_SURFACE_ACTOR_WAYLAND (surface->surface_actor)); /* wl_surface.frame */ wl_list_insert_list (&compositor->frame_callbacks, &pending->frame_callback_list); wl_list_init (&pending->frame_callback_list); if (surface == compositor->seat->pointer.cursor_surface) cursor_surface_commit (surface, pending); else if (meta_wayland_data_device_is_dnd_surface (&compositor->seat->data_device, surface)) dnd_surface_commit (surface, pending); else if (surface->window) toplevel_surface_commit (surface, pending); else if (surface->wl_subsurface) subsurface_surface_commit (surface, pending); pending_state_reset (pending); g_list_foreach (surface->subsurfaces, parent_surface_state_applied, NULL); } static void meta_wayland_surface_commit (MetaWaylandSurface *surface) { /* * If this is a sub-surface and it is in effective synchronous mode, only * cache the pending surface state until either one of the following two * scenarios happens: * 1) Its parent surface gets its state applied. * 2) Its mode changes from synchronized to desynchronized and its parent * surface is in effective desynchronized mode. */ if (is_surface_effectively_synchronized (surface)) move_pending_state (&surface->pending, &surface->sub.pending); else apply_pending_state (surface, &surface->pending); } static void wl_surface_destroy (struct wl_client *client, struct wl_resource *resource) { wl_resource_destroy (resource); } static void wl_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; if (surface->pending.buffer) wl_list_remove (&surface->pending.buffer_destroy_listener.link); surface->pending.newly_attached = TRUE; surface->pending.buffer = buffer; surface->pending.dx = dx; surface->pending.dy = dy; if (buffer) wl_signal_add (&buffer->destroy_signal, &surface->pending.buffer_destroy_listener); } static void wl_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 wl_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->surface = surface; 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 wl_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); cairo_region_t *cr_region = meta_wayland_region_peek_cairo_region (region); surface->pending.opaque_region = cairo_region_copy (cr_region); } } static void wl_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); cairo_region_t *cr_region = meta_wayland_region_peek_cairo_region (region); surface->pending.input_region = cairo_region_copy (cr_region); } } static void wl_surface_commit (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); /* X11 unmanaged window */ if (!surface) return; meta_wayland_surface_commit (surface); } static void wl_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 wl_surface_set_buffer_scale (struct wl_client *client, struct wl_resource *resource, int scale) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); if (scale > 0) surface->pending.scale = scale; else g_warning ("Trying to set invalid buffer_scale of %d\n", scale); } static const struct wl_surface_interface meta_wayland_wl_surface_interface = { wl_surface_destroy, wl_surface_attach, wl_surface_damage, wl_surface_frame, wl_surface_set_opaque_region, wl_surface_set_input_region, wl_surface_commit, wl_surface_set_buffer_transform, wl_surface_set_buffer_scale }; static gboolean surface_should_be_reactive (MetaWaylandSurface *surface) { /* If we have a toplevel window, we should be reactive */ if (surface->window) return TRUE; /* If we're a subsurface, we should be reactive */ if (surface->wl_subsurface) return TRUE; return FALSE; } static void sync_reactive (MetaWaylandSurface *surface) { clutter_actor_set_reactive (CLUTTER_ACTOR (surface->surface_actor), surface_should_be_reactive (surface)); } void meta_wayland_surface_set_window (MetaWaylandSurface *surface, MetaWindow *window) { surface->window = window; sync_reactive (surface); } 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); surface_set_buffer (surface, NULL); pending_state_destroy (&surface->pending); if (surface->opaque_region) cairo_region_destroy (surface->opaque_region); if (surface->input_region) cairo_region_destroy (surface->input_region); g_object_unref (surface->surface_actor); meta_wayland_compositor_destroy_frame_callbacks (compositor, surface); if (surface->resource) wl_resource_set_user_data (surface->resource, NULL); if (surface->xdg_surface) wl_resource_destroy (surface->xdg_surface); if (surface->xdg_popup) wl_resource_destroy (surface->xdg_popup); if (surface->wl_subsurface) wl_resource_destroy (surface->wl_subsurface); if (surface->wl_shell_surface) wl_resource_destroy (surface->wl_shell_surface); if (surface->gtk_surface) wl_resource_destroy (surface->gtk_surface); g_slice_free (MetaWaylandSurface, surface); meta_wayland_compositor_repick (compositor); } MetaWaylandSurface * meta_wayland_surface_create (MetaWaylandCompositor *compositor, struct wl_client *client, struct wl_resource *compositor_resource, guint32 id) { MetaWaylandSurface *surface = g_slice_new0 (MetaWaylandSurface); surface->compositor = compositor; surface->scale = 1; surface->resource = wl_resource_create (client, &wl_surface_interface, wl_resource_get_version (compositor_resource), id); wl_resource_set_implementation (surface->resource, &meta_wayland_wl_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)); pending_state_init (&surface->pending); return surface; } static void xdg_shell_destroy (struct wl_client *client, struct wl_resource *resource) { wl_resource_destroy (resource); } static void xdg_shell_use_unstable_version (struct wl_client *client, struct wl_resource *resource, int32_t version) { if (version != XDG_SHELL_VERSION_CURRENT) wl_resource_post_error (resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "bad xdg-shell version: %d\n", 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) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_wayland_compositor_destroy_frame_callbacks (surface->compositor, surface); destroy_window (surface); surface->xdg_surface = NULL; } static void xdg_surface_destroy (struct wl_client *client, struct wl_resource *resource) { wl_resource_destroy (resource); } static void xdg_surface_set_parent (struct wl_client *client, struct wl_resource *resource, struct wl_resource *parent_resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); 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_title (struct wl_client *client, struct wl_resource *resource, const char *title) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); 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) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_window_set_wm_class (surface->window, app_id, app_id); } static void xdg_surface_show_window_menu (struct wl_client *client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial, int32_t x, int32_t y) { MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource); MetaWaylandSurface *surface = wl_resource_get_user_data (resource); if (!meta_wayland_seat_get_grab_info (seat, surface, serial, NULL, NULL)) return; meta_window_show_menu (surface->window, META_WINDOW_MENU_WM, surface->window->buffer_rect.x + x, surface->window->buffer_rect.y + y); } static gboolean begin_grab_op_on_surface (MetaWaylandSurface *surface, MetaWaylandSeat *seat, MetaGrabOp grab_op, gfloat x, gfloat y) { 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), x, 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); MetaWaylandSurface *surface = wl_resource_get_user_data (resource); gfloat x, y; if (!meta_wayland_seat_get_grab_info (seat, surface, serial, &x, &y)) return; begin_grab_op_on_surface (surface, seat, META_GRAB_OP_MOVING, x, y); } static MetaGrabOp grab_op_for_xdg_surface_resize_edge (int edge) { MetaGrabOp op = META_GRAB_OP_WINDOW_BASE; if (edge & XDG_SURFACE_RESIZE_EDGE_TOP) op |= META_GRAB_OP_WINDOW_DIR_NORTH; if (edge & XDG_SURFACE_RESIZE_EDGE_BOTTOM) op |= META_GRAB_OP_WINDOW_DIR_SOUTH; if (edge & XDG_SURFACE_RESIZE_EDGE_LEFT) op |= META_GRAB_OP_WINDOW_DIR_WEST; if (edge & XDG_SURFACE_RESIZE_EDGE_RIGHT) op |= META_GRAB_OP_WINDOW_DIR_EAST; if (op == META_GRAB_OP_WINDOW_BASE) { g_warning ("invalid edge: %d", edge); return META_GRAB_OP_NONE; } return op; } 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); MetaWaylandSurface *surface = wl_resource_get_user_data (resource); gfloat x, y; if (!meta_wayland_seat_get_grab_info (seat, surface, serial, &x, &y)) return; begin_grab_op_on_surface (surface, seat, grab_op_for_xdg_surface_resize_edge (edges), x, y); } static void xdg_surface_ack_configure (struct wl_client *client, struct wl_resource *resource, uint32_t serial) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); surface->acked_configure_serial.set = TRUE; surface->acked_configure_serial.value = serial; } static void xdg_surface_set_window_geometry (struct wl_client *client, struct wl_resource *resource, int32_t x, int32_t y, int32_t width, int32_t height) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); surface->pending.has_new_geometry = TRUE; surface->pending.new_geometry.x = x; surface->pending.new_geometry.y = y; surface->pending.new_geometry.width = width; surface->pending.new_geometry.height = height; } static void xdg_surface_set_maximized (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_window_maximize (surface->window, META_MAXIMIZE_BOTH); } static void xdg_surface_unset_maximized (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_window_unmaximize (surface->window, META_MAXIMIZE_BOTH); } static void xdg_surface_set_fullscreen (struct wl_client *client, struct wl_resource *resource, struct wl_resource *output_resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_window_make_fullscreen (surface->window); } static void xdg_surface_unset_fullscreen (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_window_unmake_fullscreen (surface->window); } static void xdg_surface_set_minimized (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_window_minimize (surface->window); } static const struct xdg_surface_interface meta_wayland_xdg_surface_interface = { xdg_surface_destroy, xdg_surface_set_parent, xdg_surface_set_title, xdg_surface_set_app_id, xdg_surface_show_window_menu, xdg_surface_move, xdg_surface_resize, xdg_surface_ack_configure, xdg_surface_set_window_geometry, xdg_surface_set_maximized, xdg_surface_unset_maximized, xdg_surface_set_fullscreen, xdg_surface_unset_fullscreen, 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); MetaWindow *window; if (surface->xdg_surface != NULL) { wl_resource_post_error (surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "xdg_shell::get_xdg_surface already requested"); return; } if (meta_wayland_surface_set_role (surface, META_WAYLAND_SURFACE_ROLE_XDG_SURFACE, surface_resource, XDG_SHELL_ERROR_ROLE) != 0) return; surface->xdg_surface = wl_resource_create (client, &xdg_surface_interface, wl_resource_get_version (resource), id); wl_resource_set_implementation (surface->xdg_surface, &meta_wayland_xdg_surface_interface, surface, xdg_surface_destructor); surface->xdg_shell_resource = resource; window = meta_window_wayland_new (meta_get_display (), surface); meta_wayland_surface_set_window (surface, window); } static void xdg_popup_destructor (struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_wayland_compositor_destroy_frame_callbacks (surface->compositor, surface); if (surface->popup.parent) { wl_list_remove (&surface->popup.parent_destroy_listener.link); surface->popup.parent = NULL; } if (surface->popup.popup) meta_wayland_popup_dismiss (surface->popup.popup); surface->xdg_popup = NULL; } 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 handle_popup_parent_destroyed (struct wl_listener *listener, void *data) { MetaWaylandSurface *surface = wl_container_of (listener, surface, popup.parent_destroy_listener); wl_resource_post_error (surface->xdg_popup, XDG_POPUP_ERROR_NOT_THE_TOPMOST_POPUP, "destroyed popup not top most popup"); surface->popup.parent = NULL; destroy_window (surface); } static void handle_popup_destroyed (struct wl_listener *listener, void *data) { MetaWaylandPopup *popup = data; MetaWaylandSurface *top_popup; MetaWaylandSurface *surface = wl_container_of (listener, surface, popup.destroy_listener); top_popup = meta_wayland_popup_get_top_popup (popup); if (surface != top_popup) { wl_resource_post_error (surface->xdg_popup, XDG_POPUP_ERROR_NOT_THE_TOPMOST_POPUP, "destroyed popup not top most popup"); } surface->popup.popup = NULL; destroy_window (surface); } 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) { struct wl_resource *popup_resource; MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); MetaWaylandSurface *parent_surf = wl_resource_get_user_data (parent_resource); MetaWaylandSurface *top_popup; MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource); MetaWindow *window; MetaDisplay *display = meta_get_display (); MetaWaylandPopup *popup; if (parent_surf == NULL || parent_surf->window == NULL) return; if (surface->xdg_popup != NULL) { wl_resource_post_error (surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "xdg_shell::get_xdg_popup already requested"); return; } if (meta_wayland_surface_set_role (surface, META_WAYLAND_SURFACE_ROLE_XDG_POPUP, surface_resource, XDG_SHELL_ERROR_ROLE) != 0) return; if (parent_surf->xdg_popup == NULL && parent_surf->xdg_surface == NULL) { wl_resource_post_error (resource, XDG_POPUP_ERROR_INVALID_PARENT, "invalid parent surface"); return; } top_popup = meta_wayland_pointer_get_top_popup (&seat->pointer); if ((top_popup == NULL && parent_surf->xdg_surface == NULL) || (top_popup != NULL && parent_surf != top_popup)) { wl_resource_post_error (resource, XDG_POPUP_ERROR_NOT_THE_TOPMOST_POPUP, "parent not top most surface"); return; } popup_resource = wl_resource_create (client, &xdg_popup_interface, wl_resource_get_version (resource), id); wl_resource_set_implementation (popup_resource, &meta_wayland_xdg_popup_interface, surface, xdg_popup_destructor); if (!meta_wayland_pointer_can_popup (&seat->pointer, serial)) { xdg_popup_send_popup_done (popup_resource); return; } surface->xdg_popup = popup_resource; surface->xdg_shell_resource = resource; surface->popup.parent = parent_surf; surface->popup.parent_destroy_listener.notify = handle_popup_parent_destroyed; wl_resource_add_destroy_listener (parent_surf->resource, &surface->popup.parent_destroy_listener); window = meta_window_wayland_new (display, surface); meta_window_move_frame (window, FALSE, parent_surf->window->rect.x + x, parent_surf->window->rect.y + y); window->showing_for_first_time = FALSE; window->placed = TRUE; meta_wayland_surface_set_window (surface, window); meta_window_focus (window, meta_display_get_current_time (display)); popup = meta_wayland_pointer_start_popup_grab (&seat->pointer, surface); if (popup == NULL) { destroy_window (surface); return; } surface->popup.destroy_listener.notify = handle_popup_destroyed; surface->popup.popup = popup; wl_signal_add (meta_wayland_popup_get_destroy_signal (popup), &surface->popup.destroy_listener); } static const struct xdg_shell_interface meta_wayland_xdg_shell_interface = { xdg_shell_destroy, xdg_shell_use_unstable_version, xdg_shell_get_xdg_surface, xdg_shell_get_xdg_popup, xdg_shell_pong, }; static void bind_xdg_shell (struct wl_client *client, void *data, guint32 version, guint32 id) { struct wl_resource *resource; if (version != META_XDG_SHELL_VERSION) { g_warning ("using xdg-shell without stable version %d\n", META_XDG_SHELL_VERSION); return; } resource = wl_resource_create (client, &xdg_shell_interface, version, id); wl_resource_set_implementation (resource, &meta_wayland_xdg_shell_interface, data, NULL); } static void wl_shell_surface_destructor (struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_wayland_compositor_destroy_frame_callbacks (surface->compositor, surface); surface->wl_shell_surface = NULL; } static void wl_shell_surface_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 wl_shell_surface_move (struct wl_client *client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial) { MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource); MetaWaylandSurface *surface = wl_resource_get_user_data (resource); gfloat x, y; if (!meta_wayland_seat_get_grab_info (seat, surface, serial, &x, &y)) return; begin_grab_op_on_surface (surface, seat, META_GRAB_OP_MOVING, x, y); } static MetaGrabOp grab_op_for_wl_shell_surface_resize_edge (int edge) { MetaGrabOp op = META_GRAB_OP_WINDOW_BASE; if (edge & WL_SHELL_SURFACE_RESIZE_TOP) op |= META_GRAB_OP_WINDOW_DIR_NORTH; if (edge & WL_SHELL_SURFACE_RESIZE_BOTTOM) op |= META_GRAB_OP_WINDOW_DIR_SOUTH; if (edge & WL_SHELL_SURFACE_RESIZE_LEFT) op |= META_GRAB_OP_WINDOW_DIR_WEST; if (edge & WL_SHELL_SURFACE_RESIZE_RIGHT) op |= META_GRAB_OP_WINDOW_DIR_EAST; if (op == META_GRAB_OP_WINDOW_BASE) { g_warning ("invalid edge: %d", edge); return META_GRAB_OP_NONE; } return op; } static void wl_shell_surface_resize (struct wl_client *client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial, uint32_t edges) { MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource); MetaWaylandSurface *surface = wl_resource_get_user_data (resource); gfloat x, y; if (!meta_wayland_seat_get_grab_info (seat, surface, serial, &x, &y)) return; begin_grab_op_on_surface (surface, seat, grab_op_for_wl_shell_surface_resize_edge (edges), x, y); } typedef enum { SURFACE_STATE_TOPLEVEL, SURFACE_STATE_FULLSCREEN, SURFACE_STATE_MAXIMIZED, } SurfaceState; static void wl_shell_surface_set_state (MetaWaylandSurface *surface, SurfaceState state) { if (state == SURFACE_STATE_FULLSCREEN) meta_window_make_fullscreen (surface->window); else meta_window_unmake_fullscreen (surface->window); if (state == SURFACE_STATE_MAXIMIZED) meta_window_maximize (surface->window, META_MAXIMIZE_BOTH); else meta_window_unmaximize (surface->window, META_MAXIMIZE_BOTH); } static void wl_shell_surface_set_toplevel (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); wl_shell_surface_set_state (surface, SURFACE_STATE_TOPLEVEL); } static void wl_shell_surface_set_transient (struct wl_client *client, struct wl_resource *resource, struct wl_resource *parent_resource, int32_t x, int32_t y, uint32_t flags) { MetaWaylandSurface *parent_surf = wl_resource_get_user_data (parent_resource); MetaWaylandSurface *surface = wl_resource_get_user_data (resource); wl_shell_surface_set_state (surface, SURFACE_STATE_TOPLEVEL); meta_window_set_transient_for (surface->window, parent_surf->window); meta_window_move_frame (surface->window, FALSE, parent_surf->window->rect.x + x, parent_surf->window->rect.y + y); surface->window->placed = TRUE; } static void wl_shell_surface_set_fullscreen (struct wl_client *client, struct wl_resource *resource, uint32_t method, uint32_t framerate, struct wl_resource *output) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); wl_shell_surface_set_state (surface, SURFACE_STATE_FULLSCREEN); } static void wl_shell_surface_set_popup (struct wl_client *client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial, struct wl_resource *parent_resource, int32_t x, int32_t y, uint32_t flags) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); MetaWaylandSurface *parent_surf = wl_resource_get_user_data (parent_resource); MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource); wl_shell_surface_set_state (surface, SURFACE_STATE_TOPLEVEL); if (!meta_wayland_pointer_can_popup (&seat->pointer, serial)) { wl_shell_surface_send_popup_done (resource); return; } meta_window_set_transient_for (surface->window, parent_surf->window); meta_window_move_frame (surface->window, FALSE, parent_surf->window->rect.x + x, parent_surf->window->rect.y + y); surface->window->placed = TRUE; meta_wayland_pointer_start_popup_grab (&seat->pointer, surface); } static void wl_shell_surface_set_maximized (struct wl_client *client, struct wl_resource *resource, struct wl_resource *output) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); wl_shell_surface_set_state (surface, SURFACE_STATE_MAXIMIZED); } static void wl_shell_surface_set_title (struct wl_client *client, struct wl_resource *resource, const char *title) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_window_set_title (surface->window, title); } static void wl_shell_surface_set_class (struct wl_client *client, struct wl_resource *resource, const char *class_) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_window_set_wm_class (surface->window, class_, class_); } static const struct wl_shell_surface_interface meta_wayland_wl_shell_surface_interface = { wl_shell_surface_pong, wl_shell_surface_move, wl_shell_surface_resize, wl_shell_surface_set_toplevel, wl_shell_surface_set_transient, wl_shell_surface_set_fullscreen, wl_shell_surface_set_popup, wl_shell_surface_set_maximized, wl_shell_surface_set_title, wl_shell_surface_set_class, }; static void wl_shell_get_shell_surface (struct wl_client *client, struct wl_resource *resource, uint32_t id, struct wl_resource *surface_resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource); if (surface->wl_shell_surface != NULL) { wl_resource_post_error (surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "wl_shell::get_shell_surface already requested"); return; } if (meta_wayland_surface_set_role (surface, META_WAYLAND_SURFACE_ROLE_WL_SHELL_SURFACE, surface_resource, WL_SHELL_ERROR_ROLE) != 0) return; surface->wl_shell_surface = wl_resource_create (client, &wl_shell_surface_interface, wl_resource_get_version (resource), id); wl_resource_set_implementation (surface->wl_shell_surface, &meta_wayland_wl_shell_surface_interface, surface, wl_shell_surface_destructor); } static const struct wl_shell_interface meta_wayland_wl_shell_interface = { wl_shell_get_shell_surface, }; static void bind_wl_shell (struct wl_client *client, void *data, uint32_t version, uint32_t id) { struct wl_resource *resource; resource = wl_resource_create (client, &wl_shell_interface, version, id); wl_resource_set_implementation (resource, &meta_wayland_wl_shell_interface, data, NULL); } static void gtk_surface_destructor (struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); surface->gtk_surface = NULL; } static void gtk_surface_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) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); /* 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 void gtk_surface_set_modal (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); if (surface->is_modal) return; surface->is_modal = TRUE; meta_window_set_type (surface->window, META_WINDOW_MODAL_DIALOG); } static void gtk_surface_unset_modal (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); if (!surface->is_modal) return; surface->is_modal = FALSE; meta_window_set_type (surface->window, META_WINDOW_NORMAL); } static const struct gtk_surface_interface meta_wayland_gtk_surface_interface = { gtk_surface_set_dbus_properties, gtk_surface_set_modal, gtk_surface_unset_modal, }; 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 (surface->gtk_surface != NULL) { wl_resource_post_error (surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "gtk_shell::get_gtk_surface already requested"); return; } surface->gtk_surface = wl_resource_create (client, >k_surface_interface, wl_resource_get_version (resource), id); wl_resource_set_implementation (surface->gtk_surface, &meta_wayland_gtk_surface_interface, surface, gtk_surface_destructor); } 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; uint32_t capabilities = 0; resource = wl_resource_create (client, >k_shell_interface, version, id); if (version != META_GTK_SHELL_VERSION) { wl_resource_post_error (resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "Incompatible gtk-shell version " "(supported version: %d)", META_GTK_SHELL_VERSION); return; } wl_resource_set_implementation (resource, &meta_wayland_gtk_shell_interface, data, NULL); if (!meta_prefs_get_show_fallback_app_menu ()) capabilities = GTK_SHELL_CAPABILITY_GLOBAL_APP_MENU; gtk_shell_send_capabilities (resource, capabilities); } 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)); } static void wl_subsurface_destructor (struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); meta_wayland_compositor_destroy_frame_callbacks (surface->compositor, surface); 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; } pending_state_destroy (&surface->sub.pending); surface->wl_subsurface = NULL; } 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) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); 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) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); 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) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); 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) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); surface->sub.synchronous = TRUE; } static void wl_subsurface_set_desync (struct wl_client *client, struct wl_resource *resource) { MetaWaylandSurface *surface = wl_resource_get_user_data (resource); gboolean was_effectively_synchronized; was_effectively_synchronized = is_surface_effectively_synchronized (surface); surface->sub.synchronous = FALSE; if (was_effectively_synchronized && !is_surface_effectively_synchronized (surface)) apply_pending_state (surface, &surface->sub.pending); } static const struct wl_subsurface_interface meta_wayland_wl_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 (surface->wl_subsurface != NULL) { wl_resource_post_error (surface_resource, WL_DISPLAY_ERROR_INVALID_OBJECT, "wl_subcompositor::get_subsurface already requested"); return; } if (meta_wayland_surface_set_role (surface, META_WAYLAND_SURFACE_ROLE_SUBSURFACE, surface_resource, WL_SHELL_ERROR_ROLE) != 0) return; surface->wl_subsurface = wl_resource_create (client, &wl_subsurface_interface, wl_resource_get_version (resource), id); wl_resource_set_implementation (surface->wl_subsurface, &meta_wayland_wl_subsurface_interface, surface, wl_subsurface_destructor); pending_state_init (&surface->sub.pending); surface->sub.synchronous = TRUE; 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)); sync_reactive (surface); } 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, version, id); wl_resource_set_implementation (resource, &meta_wayland_subcompositor_interface, data, NULL); } void meta_wayland_shell_init (MetaWaylandCompositor *compositor) { if (wl_global_create (compositor->wayland_display, &xdg_shell_interface, META_XDG_SHELL_VERSION, compositor, bind_xdg_shell) == NULL) g_error ("Failed to register a global xdg-shell object"); if (wl_global_create (compositor->wayland_display, &wl_shell_interface, META_WL_SHELL_VERSION, compositor, bind_wl_shell) == NULL) g_error ("Failed to register a global wl-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"); } static void fill_states (struct wl_array *states, MetaWindow *window) { uint32_t *s; if (META_WINDOW_MAXIMIZED (window)) { s = wl_array_add (states, sizeof *s); *s = XDG_SURFACE_STATE_MAXIMIZED; } if (meta_window_is_fullscreen (window)) { s = wl_array_add (states, sizeof *s); *s = XDG_SURFACE_STATE_FULLSCREEN; } if (meta_grab_op_is_resizing (window->display->grab_op)) { s = wl_array_add (states, sizeof *s); *s = XDG_SURFACE_STATE_RESIZING; } if (meta_window_appears_focused (window)) { s = wl_array_add (states, sizeof *s); *s = XDG_SURFACE_STATE_ACTIVATED; } } void meta_wayland_surface_configure_notify (MetaWaylandSurface *surface, int new_width, int new_height, MetaWaylandSerial *sent_serial) { if (surface->xdg_surface) { struct wl_client *client = wl_resource_get_client (surface->xdg_surface); struct wl_display *display = wl_client_get_display (client); uint32_t serial = wl_display_next_serial (display); struct wl_array states; wl_array_init (&states); fill_states (&states, surface->window); /* new_width and new_height comes from window->rect, which is based on * the buffer size, not the surface size. The configure event requires * surface size. */ new_width /= surface->scale; new_height /= surface->scale; xdg_surface_send_configure (surface->xdg_surface, new_width, new_height, &states, serial); wl_array_release (&states); if (sent_serial) { sent_serial->set = TRUE; sent_serial->value = serial; } } else if (surface->xdg_popup) { /* This can happen if the popup window loses or receives focus. * Just ignore it. */ } else if (surface->wl_shell_surface) wl_shell_surface_send_configure (surface->wl_shell_surface, 0, new_width, new_height); else g_assert_not_reached (); } void meta_wayland_surface_ping (MetaWaylandSurface *surface, guint32 serial) { if (surface->xdg_shell_resource) xdg_shell_send_ping (surface->xdg_shell_resource, serial); else if (surface->wl_shell_surface) wl_shell_surface_send_ping (surface->wl_shell_surface, serial); } void meta_wayland_surface_delete (MetaWaylandSurface *surface) { if (surface->xdg_surface) xdg_surface_send_close (surface->xdg_surface); } void meta_wayland_surface_popup_done (MetaWaylandSurface *surface) { if (surface->xdg_popup) xdg_popup_send_popup_done (surface->xdg_popup); else if (surface->wl_shell_surface) wl_shell_surface_send_popup_done (surface->wl_shell_surface); }