/* * Copyright © 2010-2012 Intel Corporation * Copyright © 2011-2012 Collabora, Ltd. * Copyright © 2013 Raspberry Pi Foundation * Copyright © 2016 Quentin "Sardem FF7" Glidic * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. */ #include "config.h" #include #include #include #include #include "zalloc.h" #include "xdg-shell-server-protocol.h" #include "libweston-desktop.h" #include "internal.h" /************************************************************************************ * WARNING: This file implements the stable xdg shell protocol. * Any changes to this file may also need to be added to the xdg-shell-v6.c file which * implements the older unstable xdg shell v6 protocol. ************************************************************************************/ #define WD_XDG_SHELL_PROTOCOL_VERSION 1 static const char *weston_desktop_xdg_toplevel_role = "xdg_toplevel"; static const char *weston_desktop_xdg_popup_role = "xdg_popup"; struct weston_desktop_xdg_positioner { struct weston_desktop *desktop; struct weston_desktop_client *client; struct wl_resource *resource; struct weston_size size; struct weston_geometry anchor_rect; enum xdg_positioner_anchor anchor; enum xdg_positioner_gravity gravity; enum xdg_positioner_constraint_adjustment constraint_adjustment; struct weston_position offset; }; enum weston_desktop_xdg_surface_role { WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE, WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL, WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP, }; struct weston_desktop_xdg_surface { struct wl_resource *resource; struct weston_desktop *desktop; struct weston_surface *surface; struct weston_desktop_surface *desktop_surface; bool configured; struct wl_event_source *configure_idle; struct wl_list configure_list; /* weston_desktop_xdg_surface_configure::link */ bool has_next_geometry; struct weston_geometry next_geometry; enum weston_desktop_xdg_surface_role role; }; struct weston_desktop_xdg_surface_configure { struct wl_list link; /* weston_desktop_xdg_surface::configure_list */ uint32_t serial; }; struct weston_desktop_xdg_toplevel_state { bool maximized; bool fullscreen; bool resizing; bool activated; }; struct weston_desktop_xdg_toplevel_configure { struct weston_desktop_xdg_surface_configure base; struct weston_desktop_xdg_toplevel_state state; struct weston_size size; }; struct weston_desktop_xdg_toplevel { struct weston_desktop_xdg_surface base; struct wl_resource *resource; bool added; struct { struct weston_desktop_xdg_toplevel_state state; struct weston_size size; } pending; struct { struct weston_desktop_xdg_toplevel_state state; struct weston_size size; struct weston_size min_size, max_size; } next; struct { struct weston_desktop_xdg_toplevel_state state; struct weston_size min_size, max_size; } current; }; struct weston_desktop_xdg_popup { struct weston_desktop_xdg_surface base; struct wl_resource *resource; bool committed; struct weston_desktop_xdg_surface *parent; struct weston_desktop_seat *seat; struct weston_geometry geometry; }; #define weston_desktop_surface_role_biggest_size (sizeof(struct weston_desktop_xdg_toplevel)) #define weston_desktop_surface_configure_biggest_size (sizeof(struct weston_desktop_xdg_toplevel)) static struct weston_geometry weston_desktop_xdg_positioner_get_geometry(struct weston_desktop_xdg_positioner *positioner, struct weston_desktop_surface *dsurface, struct weston_desktop_surface *parent) { struct weston_geometry geometry = { .x = positioner->offset.x, .y = positioner->offset.y, .width = positioner->size.width, .height = positioner->size.height, }; switch (positioner->anchor) { case XDG_POSITIONER_ANCHOR_TOP: case XDG_POSITIONER_ANCHOR_TOP_LEFT: case XDG_POSITIONER_ANCHOR_TOP_RIGHT: geometry.y += positioner->anchor_rect.y; break; case XDG_POSITIONER_ANCHOR_BOTTOM: case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT: case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT: geometry.y += positioner->anchor_rect.y + positioner->anchor_rect.height; break; default: geometry.y += positioner->anchor_rect.y + positioner->anchor_rect.height / 2; } switch (positioner->anchor) { case XDG_POSITIONER_ANCHOR_LEFT: case XDG_POSITIONER_ANCHOR_TOP_LEFT: case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT: geometry.x += positioner->anchor_rect.x; break; case XDG_POSITIONER_ANCHOR_RIGHT: case XDG_POSITIONER_ANCHOR_TOP_RIGHT: case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT: geometry.x += positioner->anchor_rect.x + positioner->anchor_rect.width; break; default: geometry.x += positioner->anchor_rect.x + positioner->anchor_rect.width / 2; } switch (positioner->gravity) { case XDG_POSITIONER_GRAVITY_TOP: case XDG_POSITIONER_GRAVITY_TOP_LEFT: case XDG_POSITIONER_GRAVITY_TOP_RIGHT: geometry.y -= geometry.height; break; case XDG_POSITIONER_GRAVITY_BOTTOM: case XDG_POSITIONER_GRAVITY_BOTTOM_LEFT: case XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT: geometry.y = geometry.y; break; default: geometry.y -= geometry.height / 2; } switch (positioner->gravity) { case XDG_POSITIONER_GRAVITY_LEFT: case XDG_POSITIONER_GRAVITY_TOP_LEFT: case XDG_POSITIONER_GRAVITY_BOTTOM_LEFT: geometry.x -= geometry.width; break; case XDG_POSITIONER_GRAVITY_RIGHT: case XDG_POSITIONER_GRAVITY_TOP_RIGHT: case XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT: geometry.x = geometry.x; break; default: geometry.x -= geometry.width / 2; } if (positioner->constraint_adjustment == XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_NONE) return geometry; /* TODO: add compositor policy configuration and the code here */ return geometry; } static void weston_desktop_xdg_positioner_protocol_set_size(struct wl_client *wl_client, struct wl_resource *resource, int32_t width, int32_t height) { struct weston_desktop_xdg_positioner *positioner = wl_resource_get_user_data(resource); if (width < 1 || height < 1) { wl_resource_post_error(resource, XDG_POSITIONER_ERROR_INVALID_INPUT, "width and height must be positives and non-zero"); return; } positioner->size.width = width; positioner->size.height = height; } static void weston_desktop_xdg_positioner_protocol_set_anchor_rect(struct wl_client *wl_client, struct wl_resource *resource, int32_t x, int32_t y, int32_t width, int32_t height) { struct weston_desktop_xdg_positioner *positioner = wl_resource_get_user_data(resource); if (width < 0 || height < 0) { wl_resource_post_error(resource, XDG_POSITIONER_ERROR_INVALID_INPUT, "width and height must be non-negative"); return; } positioner->anchor_rect.x = x; positioner->anchor_rect.y = y; positioner->anchor_rect.width = width; positioner->anchor_rect.height = height; } static void weston_desktop_xdg_positioner_protocol_set_anchor(struct wl_client *wl_client, struct wl_resource *resource, enum xdg_positioner_anchor anchor) { struct weston_desktop_xdg_positioner *positioner = wl_resource_get_user_data(resource); positioner->anchor = anchor; } static void weston_desktop_xdg_positioner_protocol_set_gravity(struct wl_client *wl_client, struct wl_resource *resource, enum xdg_positioner_gravity gravity) { struct weston_desktop_xdg_positioner *positioner = wl_resource_get_user_data(resource); positioner->gravity = gravity; } static void weston_desktop_xdg_positioner_protocol_set_constraint_adjustment(struct wl_client *wl_client, struct wl_resource *resource, enum xdg_positioner_constraint_adjustment constraint_adjustment) { struct weston_desktop_xdg_positioner *positioner = wl_resource_get_user_data(resource); positioner->constraint_adjustment = constraint_adjustment; } static void weston_desktop_xdg_positioner_protocol_set_offset(struct wl_client *wl_client, struct wl_resource *resource, int32_t x, int32_t y) { struct weston_desktop_xdg_positioner *positioner = wl_resource_get_user_data(resource); positioner->offset.x = x; positioner->offset.y = y; } static void weston_desktop_xdg_positioner_destroy(struct wl_resource *resource) { struct weston_desktop_xdg_positioner *positioner = wl_resource_get_user_data(resource); free(positioner); } static const struct xdg_positioner_interface weston_desktop_xdg_positioner_implementation = { .destroy = weston_desktop_destroy_request, .set_size = weston_desktop_xdg_positioner_protocol_set_size, .set_anchor_rect = weston_desktop_xdg_positioner_protocol_set_anchor_rect, .set_anchor = weston_desktop_xdg_positioner_protocol_set_anchor, .set_gravity = weston_desktop_xdg_positioner_protocol_set_gravity, .set_constraint_adjustment = weston_desktop_xdg_positioner_protocol_set_constraint_adjustment, .set_offset = weston_desktop_xdg_positioner_protocol_set_offset, }; static void weston_desktop_xdg_surface_schedule_configure(struct weston_desktop_xdg_surface *surface); static void weston_desktop_xdg_toplevel_ensure_added(struct weston_desktop_xdg_toplevel *toplevel) { if (toplevel->added) return; weston_desktop_api_surface_added(toplevel->base.desktop, toplevel->base.desktop_surface); weston_desktop_xdg_surface_schedule_configure(&toplevel->base); toplevel->added = true; } static void weston_desktop_xdg_toplevel_protocol_set_parent(struct wl_client *wl_client, struct wl_resource *resource, struct wl_resource *parent_resource) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); struct weston_desktop_surface *parent = NULL; if (parent_resource != NULL) parent = wl_resource_get_user_data(parent_resource); weston_desktop_xdg_toplevel_ensure_added(toplevel); weston_desktop_api_set_parent(toplevel->base.desktop, dsurface, parent); } static void weston_desktop_xdg_toplevel_protocol_set_title(struct wl_client *wl_client, struct wl_resource *resource, const char *title) { struct weston_desktop_surface *toplevel = wl_resource_get_user_data(resource); weston_desktop_surface_set_title(toplevel, title); } static void weston_desktop_xdg_toplevel_protocol_set_app_id(struct wl_client *wl_client, struct wl_resource *resource, const char *app_id) { struct weston_desktop_surface *toplevel = wl_resource_get_user_data(resource); weston_desktop_surface_set_app_id(toplevel, app_id); } static void weston_desktop_xdg_toplevel_protocol_show_window_menu(struct wl_client *wl_client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial, int32_t x, int32_t y) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_seat *seat = wl_resource_get_user_data(seat_resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); if (!toplevel->base.configured) { wl_resource_post_error(toplevel->resource, XDG_SURFACE_ERROR_NOT_CONSTRUCTED, "Surface has not been configured yet"); return; } if (seat == NULL) return; weston_desktop_api_show_window_menu(toplevel->base.desktop, dsurface, seat, x, y); } static void weston_desktop_xdg_toplevel_protocol_move(struct wl_client *wl_client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_seat *seat = wl_resource_get_user_data(seat_resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); if (!toplevel->base.configured) { wl_resource_post_error(toplevel->resource, XDG_SURFACE_ERROR_NOT_CONSTRUCTED, "Surface has not been configured yet"); return; } if (seat == NULL) return; weston_desktop_api_move(toplevel->base.desktop, dsurface, seat, serial); } static void weston_desktop_xdg_toplevel_protocol_resize(struct wl_client *wl_client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial, enum xdg_toplevel_resize_edge edges) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_seat *seat = wl_resource_get_user_data(seat_resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); enum weston_desktop_surface_edge surf_edges = (enum weston_desktop_surface_edge) edges; if (!toplevel->base.configured) { wl_resource_post_error(toplevel->resource, XDG_SURFACE_ERROR_NOT_CONSTRUCTED, "Surface has not been configured yet"); return; } if (seat == NULL) return; weston_desktop_api_resize(toplevel->base.desktop, dsurface, seat, serial, surf_edges); } static void weston_desktop_xdg_toplevel_ack_configure(struct weston_desktop_xdg_toplevel *toplevel, struct weston_desktop_xdg_toplevel_configure *configure) { toplevel->next.state = configure->state; toplevel->next.size = configure->size; } static void weston_desktop_xdg_toplevel_protocol_set_min_size(struct wl_client *wl_client, struct wl_resource *resource, int32_t width, int32_t height) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); toplevel->next.min_size.width = width; toplevel->next.min_size.height = height; } static void weston_desktop_xdg_toplevel_protocol_set_max_size(struct wl_client *wl_client, struct wl_resource *resource, int32_t width, int32_t height) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); toplevel->next.max_size.width = width; toplevel->next.max_size.height = height; } static void weston_desktop_xdg_toplevel_protocol_set_maximized(struct wl_client *wl_client, struct wl_resource *resource) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); weston_desktop_xdg_toplevel_ensure_added(toplevel); weston_desktop_api_maximized_requested(toplevel->base.desktop, dsurface, true); } static void weston_desktop_xdg_toplevel_protocol_unset_maximized(struct wl_client *wl_client, struct wl_resource *resource) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); weston_desktop_xdg_toplevel_ensure_added(toplevel); weston_desktop_api_maximized_requested(toplevel->base.desktop, dsurface, false); } static void weston_desktop_xdg_toplevel_protocol_set_fullscreen(struct wl_client *wl_client, struct wl_resource *resource, struct wl_resource *output_resource) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); struct weston_output *output = NULL; if (output_resource != NULL) output = weston_head_from_resource(output_resource)->output; weston_desktop_xdg_toplevel_ensure_added(toplevel); weston_desktop_api_fullscreen_requested(toplevel->base.desktop, dsurface, true, output); } static void weston_desktop_xdg_toplevel_protocol_unset_fullscreen(struct wl_client *wl_client, struct wl_resource *resource) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); weston_desktop_xdg_toplevel_ensure_added(toplevel); weston_desktop_api_fullscreen_requested(toplevel->base.desktop, dsurface, false, NULL); } static void weston_desktop_xdg_toplevel_protocol_set_minimized(struct wl_client *wl_client, struct wl_resource *resource) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); weston_desktop_xdg_toplevel_ensure_added(toplevel); weston_desktop_api_minimized_requested(toplevel->base.desktop, dsurface); } static void weston_desktop_xdg_toplevel_send_configure(struct weston_desktop_xdg_toplevel *toplevel, struct weston_desktop_xdg_toplevel_configure *configure) { uint32_t *s; struct wl_array states; configure->state = toplevel->pending.state; configure->size = toplevel->pending.size; wl_array_init(&states); if (toplevel->pending.state.maximized) { s = wl_array_add(&states, sizeof(uint32_t)); *s = XDG_TOPLEVEL_STATE_MAXIMIZED; } if (toplevel->pending.state.fullscreen) { s = wl_array_add(&states, sizeof(uint32_t)); *s = XDG_TOPLEVEL_STATE_FULLSCREEN; } if (toplevel->pending.state.resizing) { s = wl_array_add(&states, sizeof(uint32_t)); *s = XDG_TOPLEVEL_STATE_RESIZING; } if (toplevel->pending.state.activated) { s = wl_array_add(&states, sizeof(uint32_t)); *s = XDG_TOPLEVEL_STATE_ACTIVATED; } xdg_toplevel_send_configure(toplevel->resource, toplevel->pending.size.width, toplevel->pending.size.height, &states); wl_array_release(&states); }; static void weston_desktop_xdg_toplevel_set_maximized(struct weston_desktop_surface *dsurface, void *user_data, bool maximized) { struct weston_desktop_xdg_toplevel *toplevel = user_data; toplevel->pending.state.maximized = maximized; weston_desktop_xdg_surface_schedule_configure(&toplevel->base); } static void weston_desktop_xdg_toplevel_set_fullscreen(struct weston_desktop_surface *dsurface, void *user_data, bool fullscreen) { struct weston_desktop_xdg_toplevel *toplevel = user_data; toplevel->pending.state.fullscreen = fullscreen; weston_desktop_xdg_surface_schedule_configure(&toplevel->base); } static void weston_desktop_xdg_toplevel_set_resizing(struct weston_desktop_surface *dsurface, void *user_data, bool resizing) { struct weston_desktop_xdg_toplevel *toplevel = user_data; toplevel->pending.state.resizing = resizing; weston_desktop_xdg_surface_schedule_configure(&toplevel->base); } static void weston_desktop_xdg_toplevel_set_activated(struct weston_desktop_surface *dsurface, void *user_data, bool activated) { struct weston_desktop_xdg_toplevel *toplevel = user_data; toplevel->pending.state.activated = activated; weston_desktop_xdg_surface_schedule_configure(&toplevel->base); } static void weston_desktop_xdg_toplevel_set_size(struct weston_desktop_surface *dsurface, void *user_data, int32_t width, int32_t height) { struct weston_desktop_xdg_toplevel *toplevel = user_data; toplevel->pending.size.width = width; toplevel->pending.size.height = height; weston_desktop_xdg_surface_schedule_configure(&toplevel->base); } static void weston_desktop_xdg_toplevel_committed(struct weston_desktop_xdg_toplevel *toplevel, int32_t sx, int32_t sy) { struct weston_surface *wsurface = weston_desktop_surface_get_surface(toplevel->base.desktop_surface); if (!wsurface->buffer_ref.buffer && !toplevel->added) { weston_desktop_xdg_toplevel_ensure_added(toplevel); return; } if (!wsurface->buffer_ref.buffer) return; struct weston_geometry geometry = weston_desktop_surface_get_geometry(toplevel->base.desktop_surface); if ((toplevel->next.state.maximized || toplevel->next.state.fullscreen) && (toplevel->next.size.width != geometry.width || toplevel->next.size.height != geometry.height)) { struct weston_desktop_client *client = weston_desktop_surface_get_client(toplevel->base.desktop_surface); struct wl_resource *client_resource = weston_desktop_client_get_resource(client); wl_resource_post_error(client_resource, XDG_WM_BASE_ERROR_INVALID_SURFACE_STATE, "xdg_surface buffer does not match the configured state"); return; } toplevel->current.state = toplevel->next.state; toplevel->current.min_size = toplevel->next.min_size; toplevel->current.max_size = toplevel->next.max_size; weston_desktop_api_committed(toplevel->base.desktop, toplevel->base.desktop_surface, sx, sy); } static void weston_desktop_xdg_toplevel_close(struct weston_desktop_xdg_toplevel *toplevel) { xdg_toplevel_send_close(toplevel->resource); } static bool weston_desktop_xdg_toplevel_get_maximized(struct weston_desktop_surface *dsurface, void *user_data) { struct weston_desktop_xdg_toplevel *toplevel = user_data; return toplevel->current.state.maximized; } static bool weston_desktop_xdg_toplevel_get_fullscreen(struct weston_desktop_surface *dsurface, void *user_data) { struct weston_desktop_xdg_toplevel *toplevel = user_data; return toplevel->current.state.fullscreen; } static bool weston_desktop_xdg_toplevel_get_resizing(struct weston_desktop_surface *dsurface, void *user_data) { struct weston_desktop_xdg_toplevel *toplevel = user_data; return toplevel->current.state.resizing; } static bool weston_desktop_xdg_toplevel_get_activated(struct weston_desktop_surface *dsurface, void *user_data) { struct weston_desktop_xdg_toplevel *toplevel = user_data; return toplevel->current.state.activated; } static void weston_desktop_xdg_toplevel_destroy(struct weston_desktop_xdg_toplevel *toplevel) { if (toplevel->added) weston_desktop_api_surface_removed(toplevel->base.desktop, toplevel->base.desktop_surface); } static void weston_desktop_xdg_toplevel_resource_destroy(struct wl_resource *resource) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); if (dsurface != NULL) weston_desktop_surface_resource_destroy(resource); } static const struct xdg_toplevel_interface weston_desktop_xdg_toplevel_implementation = { .destroy = weston_desktop_destroy_request, .set_parent = weston_desktop_xdg_toplevel_protocol_set_parent, .set_title = weston_desktop_xdg_toplevel_protocol_set_title, .set_app_id = weston_desktop_xdg_toplevel_protocol_set_app_id, .show_window_menu = weston_desktop_xdg_toplevel_protocol_show_window_menu, .move = weston_desktop_xdg_toplevel_protocol_move, .resize = weston_desktop_xdg_toplevel_protocol_resize, .set_min_size = weston_desktop_xdg_toplevel_protocol_set_min_size, .set_max_size = weston_desktop_xdg_toplevel_protocol_set_max_size, .set_maximized = weston_desktop_xdg_toplevel_protocol_set_maximized, .unset_maximized = weston_desktop_xdg_toplevel_protocol_unset_maximized, .set_fullscreen = weston_desktop_xdg_toplevel_protocol_set_fullscreen, .unset_fullscreen = weston_desktop_xdg_toplevel_protocol_unset_fullscreen, .set_minimized = weston_desktop_xdg_toplevel_protocol_set_minimized, }; static void weston_desktop_xdg_popup_protocol_grab(struct wl_client *wl_client, struct wl_resource *resource, struct wl_resource *seat_resource, uint32_t serial) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_popup *popup = weston_desktop_surface_get_implementation_data(dsurface); struct weston_seat *wseat = wl_resource_get_user_data(seat_resource); struct weston_desktop_seat *seat = weston_desktop_seat_from_seat(wseat); struct weston_desktop_surface *topmost; bool parent_is_toplevel = popup->parent->role == WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL; /* Check that if we have a valid wseat we also got a valid desktop seat */ if (wseat != NULL && seat == NULL) { wl_client_post_no_memory(wl_client); return; } if (popup->committed) { wl_resource_post_error(popup->resource, XDG_POPUP_ERROR_INVALID_GRAB, "xdg_popup already is mapped"); return; } /* If seat is NULL then get_topmost_surface will return NULL. In * combination with setting parent_is_toplevel to TRUE here we will * avoid posting an error, and we will instead gracefully fail the * grab and dismiss the surface. * FIXME: this is a hack because currently we cannot check the topmost * parent with a destroyed weston_seat */ if (seat == NULL) parent_is_toplevel = true; topmost = weston_desktop_seat_popup_grab_get_topmost_surface(seat); if ((topmost == NULL && !parent_is_toplevel) || (topmost != NULL && topmost != popup->parent->desktop_surface)) { struct weston_desktop_client *client = weston_desktop_surface_get_client(dsurface); struct wl_resource *client_resource = weston_desktop_client_get_resource(client); wl_resource_post_error(client_resource, XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP, "xdg_popup was not created on the topmost popup"); return; } popup->seat = seat; weston_desktop_surface_popup_grab(popup->base.desktop_surface, popup->seat, serial); } static void weston_desktop_xdg_popup_send_configure(struct weston_desktop_xdg_popup *popup) { xdg_popup_send_configure(popup->resource, popup->geometry.x, popup->geometry.y, popup->geometry.width, popup->geometry.height); } static void weston_desktop_xdg_popup_update_position(struct weston_desktop_surface *dsurface, void *user_data); static void weston_desktop_xdg_popup_committed(struct weston_desktop_xdg_popup *popup) { struct weston_surface *wsurface = weston_desktop_surface_get_surface (popup->base.desktop_surface); struct weston_view *view; wl_list_for_each(view, &wsurface->views, surface_link) weston_view_update_transform(view); if (!popup->committed) weston_desktop_xdg_surface_schedule_configure(&popup->base); popup->committed = true; weston_desktop_xdg_popup_update_position(popup->base.desktop_surface, popup); } static void weston_desktop_xdg_popup_update_position(struct weston_desktop_surface *dsurface, void *user_data) { } static void weston_desktop_xdg_popup_close(struct weston_desktop_xdg_popup *popup) { xdg_popup_send_popup_done(popup->resource); } static void weston_desktop_xdg_popup_destroy(struct weston_desktop_xdg_popup *popup) { struct weston_desktop_surface *topmost; struct weston_desktop_client *client = weston_desktop_surface_get_client(popup->base.desktop_surface); if (!weston_desktop_surface_get_grab(popup->base.desktop_surface)) return; topmost = weston_desktop_seat_popup_grab_get_topmost_surface(popup->seat); if (topmost != popup->base.desktop_surface) { struct wl_resource *client_resource = weston_desktop_client_get_resource(client); wl_resource_post_error(client_resource, XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP, "xdg_popup was destroyed while it was not the topmost popup."); } weston_desktop_surface_popup_ungrab(popup->base.desktop_surface, popup->seat); } static void weston_desktop_xdg_popup_resource_destroy(struct wl_resource *resource) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); if (dsurface != NULL) weston_desktop_surface_resource_destroy(resource); } static const struct xdg_popup_interface weston_desktop_xdg_popup_implementation = { .destroy = weston_desktop_destroy_request, .grab = weston_desktop_xdg_popup_protocol_grab, }; static void weston_desktop_xdg_surface_send_configure(void *user_data) { struct weston_desktop_xdg_surface *surface = user_data; struct weston_desktop_xdg_surface_configure *configure; surface->configure_idle = NULL; configure = zalloc(weston_desktop_surface_configure_biggest_size); if (configure == NULL) { struct weston_desktop_client *client = weston_desktop_surface_get_client(surface->desktop_surface); struct wl_client *wl_client = weston_desktop_client_get_client(client); wl_client_post_no_memory(wl_client); return; } wl_list_insert(surface->configure_list.prev, &configure->link); configure->serial = wl_display_next_serial(weston_desktop_get_display(surface->desktop)); switch (surface->role) { case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE: assert(0 && "not reached"); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL: weston_desktop_xdg_toplevel_send_configure((struct weston_desktop_xdg_toplevel *) surface, (struct weston_desktop_xdg_toplevel_configure *) configure); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP: weston_desktop_xdg_popup_send_configure((struct weston_desktop_xdg_popup *) surface); break; } xdg_surface_send_configure(surface->resource, configure->serial); } static bool weston_desktop_xdg_toplevel_state_compare(struct weston_desktop_xdg_toplevel *toplevel) { struct { struct weston_desktop_xdg_toplevel_state state; struct weston_size size; } configured; if (!toplevel->base.configured) return false; if (wl_list_empty(&toplevel->base.configure_list)) { /* Last configure is actually the current state, just use it */ configured.state = toplevel->current.state; configured.size.width = toplevel->base.surface->width; configured.size.height = toplevel->base.surface->height; } else { struct weston_desktop_xdg_toplevel_configure *configure = wl_container_of(toplevel->base.configure_list.prev, configure, base.link); configured.state = configure->state; configured.size = configure->size; } if (toplevel->pending.state.activated != configured.state.activated) return false; if (toplevel->pending.state.fullscreen != configured.state.fullscreen) return false; if (toplevel->pending.state.maximized != configured.state.maximized) return false; if (toplevel->pending.state.resizing != configured.state.resizing) return false; if (toplevel->pending.size.width == configured.size.width && toplevel->pending.size.height == configured.size.height) return true; if (toplevel->pending.size.width == 0 && toplevel->pending.size.height == 0) return true; return false; } static void weston_desktop_xdg_surface_schedule_configure(struct weston_desktop_xdg_surface *surface) { struct wl_display *display = weston_desktop_get_display(surface->desktop); struct wl_event_loop *loop = wl_display_get_event_loop(display); bool pending_same = false; switch (surface->role) { case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE: assert(0 && "not reached"); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL: pending_same = weston_desktop_xdg_toplevel_state_compare((struct weston_desktop_xdg_toplevel *) surface); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP: break; } if (surface->configure_idle != NULL) { if (!pending_same) return; wl_event_source_remove(surface->configure_idle); surface->configure_idle = NULL; } else { if (pending_same) return; surface->configure_idle = wl_event_loop_add_idle(loop, weston_desktop_xdg_surface_send_configure, surface); } } static void weston_desktop_xdg_surface_protocol_get_toplevel(struct wl_client *wl_client, struct wl_resource *resource, uint32_t id) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_surface *wsurface = weston_desktop_surface_get_surface(dsurface); struct weston_desktop_xdg_toplevel *toplevel = weston_desktop_surface_get_implementation_data(dsurface); if (weston_surface_set_role(wsurface, weston_desktop_xdg_toplevel_role, resource, XDG_WM_BASE_ERROR_ROLE) < 0) return; toplevel->resource = weston_desktop_surface_add_resource(toplevel->base.desktop_surface, &xdg_toplevel_interface, &weston_desktop_xdg_toplevel_implementation, id, weston_desktop_xdg_toplevel_resource_destroy); if (toplevel->resource == NULL) return; toplevel->base.role = WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL; } static void weston_desktop_xdg_surface_protocol_get_popup(struct wl_client *wl_client, struct wl_resource *resource, uint32_t id, struct wl_resource *parent_resource, struct wl_resource *positioner_resource) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_surface *wsurface = weston_desktop_surface_get_surface(dsurface); struct weston_desktop_xdg_popup *popup = weston_desktop_surface_get_implementation_data(dsurface); struct weston_desktop_surface *parent_surface; struct weston_desktop_xdg_surface *parent; struct weston_desktop_xdg_positioner *positioner = wl_resource_get_user_data(positioner_resource); /* Popup parents are allowed to be non-null, but only if a parent is * specified 'using some other protocol' before committing. Since we * don't support such a protocol yet, clients cannot legitimately * create a popup with a non-null parent. */ if (!parent_resource) { wl_resource_post_error(resource, XDG_WM_BASE_ERROR_INVALID_POPUP_PARENT, "popup parent must be non-null"); return; } parent_surface = wl_resource_get_user_data(parent_resource); parent = weston_desktop_surface_get_implementation_data(parent_surface); /* Checking whether the size and anchor rect both have a positive size * is enough to verify both have been correctly set */ if (positioner->size.width == 0 || positioner->anchor_rect.width == 0 || positioner->anchor_rect.height == 0) { wl_resource_post_error(resource, XDG_WM_BASE_ERROR_INVALID_POSITIONER, "positioner object is not complete"); return; } if (weston_surface_set_role(wsurface, weston_desktop_xdg_popup_role, resource, XDG_WM_BASE_ERROR_ROLE) < 0) return; popup->resource = weston_desktop_surface_add_resource(popup->base.desktop_surface, &xdg_popup_interface, &weston_desktop_xdg_popup_implementation, id, weston_desktop_xdg_popup_resource_destroy); if (popup->resource == NULL) return; popup->base.role = WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP; popup->parent = parent; popup->geometry = weston_desktop_xdg_positioner_get_geometry(positioner, dsurface, parent_surface); weston_desktop_surface_set_relative_to(popup->base.desktop_surface, parent_surface, popup->geometry.x, popup->geometry.y, true); } static bool weston_desktop_xdg_surface_check_role(struct weston_desktop_xdg_surface *surface) { struct weston_surface *wsurface = weston_desktop_surface_get_surface(surface->desktop_surface); const char *role; role = weston_surface_get_role(wsurface); if (role != NULL && (role == weston_desktop_xdg_toplevel_role || role == weston_desktop_xdg_popup_role)) return true; wl_resource_post_error(surface->resource, XDG_SURFACE_ERROR_NOT_CONSTRUCTED, "xdg_surface must have a role"); return false; } static void weston_desktop_xdg_surface_protocol_set_window_geometry(struct wl_client *wl_client, struct wl_resource *resource, int32_t x, int32_t y, int32_t width, int32_t height) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_surface *surface = weston_desktop_surface_get_implementation_data(dsurface); if (!weston_desktop_xdg_surface_check_role(surface)) return; surface->has_next_geometry = true; surface->next_geometry.x = x; surface->next_geometry.y = y; surface->next_geometry.width = width; surface->next_geometry.height = height; } static void weston_desktop_xdg_surface_protocol_ack_configure(struct wl_client *wl_client, struct wl_resource *resource, uint32_t serial) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); struct weston_desktop_xdg_surface *surface = weston_desktop_surface_get_implementation_data(dsurface); struct weston_desktop_xdg_surface_configure *configure, *temp; bool found = false; if (!weston_desktop_xdg_surface_check_role(surface)) return; wl_list_for_each_safe(configure, temp, &surface->configure_list, link) { if (configure->serial < serial) { wl_list_remove(&configure->link); free(configure); } else if (configure->serial == serial) { wl_list_remove(&configure->link); found = true; break; } else { break; } } if (!found) { struct weston_desktop_client *client = weston_desktop_surface_get_client(dsurface); struct wl_resource *client_resource = weston_desktop_client_get_resource(client); wl_resource_post_error(client_resource, XDG_WM_BASE_ERROR_INVALID_SURFACE_STATE, "Wrong configure serial: %u", serial); return; } surface->configured = true; switch (surface->role) { case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE: assert(0 && "not reached"); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL: weston_desktop_xdg_toplevel_ack_configure((struct weston_desktop_xdg_toplevel *) surface, (struct weston_desktop_xdg_toplevel_configure *) configure); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP: break; } free(configure); } static void weston_desktop_xdg_surface_ping(struct weston_desktop_surface *dsurface, uint32_t serial, void *user_data) { struct weston_desktop_client *client = weston_desktop_surface_get_client(dsurface); xdg_wm_base_send_ping(weston_desktop_client_get_resource(client), serial); } static void weston_desktop_xdg_surface_committed(struct weston_desktop_surface *dsurface, void *user_data, int32_t sx, int32_t sy) { struct weston_desktop_xdg_surface *surface = user_data; struct weston_surface *wsurface = weston_desktop_surface_get_surface (dsurface); if (wsurface->buffer_ref.buffer && !surface->configured) { wl_resource_post_error(surface->resource, XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER, "xdg_surface has never been configured"); return; } if (surface->has_next_geometry) { surface->has_next_geometry = false; weston_desktop_surface_set_geometry(surface->desktop_surface, surface->next_geometry); } switch (surface->role) { case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE: wl_resource_post_error(surface->resource, XDG_SURFACE_ERROR_NOT_CONSTRUCTED, "xdg_surface must have a role"); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL: weston_desktop_xdg_toplevel_committed((struct weston_desktop_xdg_toplevel *) surface, sx, sy); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP: weston_desktop_xdg_popup_committed((struct weston_desktop_xdg_popup *) surface); break; } } static void weston_desktop_xdg_surface_close(struct weston_desktop_surface *dsurface, void *user_data) { struct weston_desktop_xdg_surface *surface = user_data; switch (surface->role) { case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE: assert(0 && "not reached"); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL: weston_desktop_xdg_toplevel_close((struct weston_desktop_xdg_toplevel *) surface); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP: weston_desktop_xdg_popup_close((struct weston_desktop_xdg_popup *) surface); break; } } static void weston_desktop_xdg_surface_destroy(struct weston_desktop_surface *dsurface, void *user_data) { struct weston_desktop_xdg_surface *surface = user_data; struct weston_desktop_xdg_surface_configure *configure, *temp; switch (surface->role) { case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE: break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL: weston_desktop_xdg_toplevel_destroy((struct weston_desktop_xdg_toplevel *) surface); break; case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP: weston_desktop_xdg_popup_destroy((struct weston_desktop_xdg_popup *) surface); break; } if (surface->configure_idle != NULL) wl_event_source_remove(surface->configure_idle); wl_list_for_each_safe(configure, temp, &surface->configure_list, link) free(configure); free(surface); } static const struct xdg_surface_interface weston_desktop_xdg_surface_implementation = { .destroy = weston_desktop_destroy_request, .get_toplevel = weston_desktop_xdg_surface_protocol_get_toplevel, .get_popup = weston_desktop_xdg_surface_protocol_get_popup, .set_window_geometry = weston_desktop_xdg_surface_protocol_set_window_geometry, .ack_configure = weston_desktop_xdg_surface_protocol_ack_configure, }; static const struct weston_desktop_surface_implementation weston_desktop_xdg_surface_internal_implementation = { /* These are used for toplevel only */ .set_maximized = weston_desktop_xdg_toplevel_set_maximized, .set_fullscreen = weston_desktop_xdg_toplevel_set_fullscreen, .set_resizing = weston_desktop_xdg_toplevel_set_resizing, .set_activated = weston_desktop_xdg_toplevel_set_activated, .set_size = weston_desktop_xdg_toplevel_set_size, .get_maximized = weston_desktop_xdg_toplevel_get_maximized, .get_fullscreen = weston_desktop_xdg_toplevel_get_fullscreen, .get_resizing = weston_desktop_xdg_toplevel_get_resizing, .get_activated = weston_desktop_xdg_toplevel_get_activated, /* These are used for popup only */ .update_position = weston_desktop_xdg_popup_update_position, /* Common API */ .committed = weston_desktop_xdg_surface_committed, .ping = weston_desktop_xdg_surface_ping, .close = weston_desktop_xdg_surface_close, .destroy = weston_desktop_xdg_surface_destroy, }; static void weston_desktop_xdg_shell_protocol_create_positioner(struct wl_client *wl_client, struct wl_resource *resource, uint32_t id) { struct weston_desktop_client *client = wl_resource_get_user_data(resource); struct weston_desktop_xdg_positioner *positioner; positioner = zalloc(sizeof(struct weston_desktop_xdg_positioner)); if (positioner == NULL) { wl_client_post_no_memory(wl_client); return; } positioner->client = client; positioner->desktop = weston_desktop_client_get_desktop(positioner->client); positioner->resource = wl_resource_create(wl_client, &xdg_positioner_interface, wl_resource_get_version(resource), id); if (positioner->resource == NULL) { wl_client_post_no_memory(wl_client); free(positioner); return; } wl_resource_set_implementation(positioner->resource, &weston_desktop_xdg_positioner_implementation, positioner, weston_desktop_xdg_positioner_destroy); } static void weston_desktop_xdg_surface_resource_destroy(struct wl_resource *resource) { struct weston_desktop_surface *dsurface = wl_resource_get_user_data(resource); if (dsurface != NULL) weston_desktop_surface_resource_destroy(resource); } static void weston_desktop_xdg_shell_protocol_get_xdg_surface(struct wl_client *wl_client, struct wl_resource *resource, uint32_t id, struct wl_resource *surface_resource) { struct weston_desktop_client *client = wl_resource_get_user_data(resource); struct weston_surface *wsurface = wl_resource_get_user_data(surface_resource); struct weston_desktop_xdg_surface *surface; surface = zalloc(weston_desktop_surface_role_biggest_size); if (surface == NULL) { wl_client_post_no_memory(wl_client); return; } surface->desktop = weston_desktop_client_get_desktop(client); surface->surface = wsurface; wl_list_init(&surface->configure_list); surface->desktop_surface = weston_desktop_surface_create(surface->desktop, client, surface->surface, &weston_desktop_xdg_surface_internal_implementation, surface); if (surface->desktop_surface == NULL) { free(surface); return; } surface->resource = weston_desktop_surface_add_resource(surface->desktop_surface, &xdg_surface_interface, &weston_desktop_xdg_surface_implementation, id, weston_desktop_xdg_surface_resource_destroy); if (surface->resource == NULL) return; if (wsurface->buffer_ref.buffer != NULL) { wl_resource_post_error(surface->resource, XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER, "xdg_surface must not have a buffer at creation"); return; } } static void weston_desktop_xdg_shell_protocol_pong(struct wl_client *wl_client, struct wl_resource *resource, uint32_t serial) { struct weston_desktop_client *client = wl_resource_get_user_data(resource); weston_desktop_client_pong(client, serial); } static const struct xdg_wm_base_interface weston_desktop_xdg_shell_implementation = { .destroy = weston_desktop_destroy_request, .create_positioner = weston_desktop_xdg_shell_protocol_create_positioner, .get_xdg_surface = weston_desktop_xdg_shell_protocol_get_xdg_surface, .pong = weston_desktop_xdg_shell_protocol_pong, }; static void weston_desktop_xdg_shell_bind(struct wl_client *client, void *data, uint32_t version, uint32_t id) { struct weston_desktop *desktop = data; weston_desktop_client_create(desktop, client, NULL, &xdg_wm_base_interface, &weston_desktop_xdg_shell_implementation, version, id); } struct wl_global * weston_desktop_xdg_wm_base_create(struct weston_desktop *desktop, struct wl_display *display) { return wl_global_create(display, &xdg_wm_base_interface, WD_XDG_SHELL_PROTOCOL_VERSION, desktop, weston_desktop_xdg_shell_bind); }