From 303650746360e69ea880a7f6b6df944d343dee79 Mon Sep 17 00:00:00 2001 From: emersion Date: Mon, 14 May 2018 22:28:45 +0100 Subject: [PATCH] xdg-shell: split into multiple files --- include/types/wlr_xdg_shell.h | 45 + types/meson.build | 6 +- types/wlr_layer_shell.c | 4 +- types/wlr_xdg_shell.c | 1975 -------------------------- types/xdg_shell/wlr_xdg_popup.c | 490 +++++++ types/xdg_shell/wlr_xdg_positioner.c | 309 ++++ types/xdg_shell/wlr_xdg_shell.c | 172 +++ types/xdg_shell/wlr_xdg_surface.c | 548 +++++++ types/xdg_shell/wlr_xdg_toplevel.c | 481 +++++++ 9 files changed, 2052 insertions(+), 1978 deletions(-) create mode 100644 include/types/wlr_xdg_shell.h delete mode 100644 types/wlr_xdg_shell.c create mode 100644 types/xdg_shell/wlr_xdg_popup.c create mode 100644 types/xdg_shell/wlr_xdg_positioner.c create mode 100644 types/xdg_shell/wlr_xdg_shell.c create mode 100644 types/xdg_shell/wlr_xdg_surface.c create mode 100644 types/xdg_shell/wlr_xdg_toplevel.c diff --git a/include/types/wlr_xdg_shell.h b/include/types/wlr_xdg_shell.h new file mode 100644 index 00000000..74f13bbe --- /dev/null +++ b/include/types/wlr_xdg_shell.h @@ -0,0 +1,45 @@ +#ifndef TYPES_WLR_XDG_SHELL_H +#define TYPES_WLR_XDG_SHELL_H + +#include +#include +#include "xdg-shell-protocol.h" + +struct wlr_xdg_positioner_resource { + struct wl_resource *resource; + struct wlr_xdg_positioner attrs; +}; + +#define XDG_TOPLEVEL_ROLE "xdg_toplevel" +#define XDG_POPUP_ROLE "xdg_popup" + +uint32_t schedule_xdg_surface_configure(struct wlr_xdg_surface *surface); +struct wlr_xdg_surface *create_xdg_surface( + struct wlr_xdg_client *client, struct wlr_surface *surface, + uint32_t id); +void unmap_xdg_surface(struct wlr_xdg_surface *surface); +void destroy_xdg_surface(struct wlr_xdg_surface *surface); + +void create_xdg_positioner(struct wlr_xdg_client *client, uint32_t id); +struct wlr_xdg_positioner_resource *get_xdg_positioner_from_resource( + struct wl_resource *resource); + +void create_xdg_popup(struct wlr_xdg_surface *xdg_surface, + struct wlr_xdg_surface *parent, + struct wlr_xdg_positioner_resource *positioner, int32_t id); +void handle_xdg_surface_popup_committed(struct wlr_xdg_surface *surface); +struct wlr_xdg_popup_grab *get_xdg_shell_popup_grab_from_seat( + struct wlr_xdg_shell *shell, struct wlr_seat *seat); +void destroy_xdg_popup(struct wlr_xdg_surface *surface); + +void create_xdg_toplevel(struct wlr_xdg_surface *xdg_surface, + uint32_t id); +void handle_xdg_surface_toplevel_committed(struct wlr_xdg_surface *surface); +void send_xdg_toplevel_configure(struct wlr_xdg_surface *surface, + struct wlr_xdg_surface_configure *configure); +void handle_xdg_toplevel_ack_configure(struct wlr_xdg_surface *surface, + struct wlr_xdg_surface_configure *configure); +bool compare_xdg_surface_toplevel_state(struct wlr_xdg_toplevel *state); +void destroy_xdg_toplevel(struct wlr_xdg_surface *surface); + +#endif diff --git a/types/meson.build b/types/meson.build index cfdc888f..24346160 100644 --- a/types/meson.build +++ b/types/meson.build @@ -9,6 +9,11 @@ lib_wlr_types = static_library( 'seat/wlr_seat_pointer.c', 'seat/wlr_seat_touch.c', 'seat/wlr_seat.c', + 'xdg_shell/wlr_xdg_popup.c', + 'xdg_shell/wlr_xdg_positioner.c', + 'xdg_shell/wlr_xdg_shell.c', + 'xdg_shell/wlr_xdg_surface.c', + 'xdg_shell/wlr_xdg_toplevel.c', 'xdg_shell_v6/wlr_xdg_popup_v6.c', 'xdg_shell_v6/wlr_xdg_positioner_v6.c', 'xdg_shell_v6/wlr_xdg_shell_v6.c', @@ -42,7 +47,6 @@ lib_wlr_types = static_library( 'wlr_wl_shell.c', 'wlr_xcursor_manager.c', 'wlr_xdg_output.c', - 'wlr_xdg_shell.c', ), include_directories: wlr_inc, dependencies: [pixman, xkbcommon, wayland_server, wlr_protos], diff --git a/types/wlr_layer_shell.c b/types/wlr_layer_shell.c index 0fae048c..e64d7937 100644 --- a/types/wlr_layer_shell.c +++ b/types/wlr_layer_shell.c @@ -491,8 +491,8 @@ static void xdg_surface_for_each_surface(struct wlr_xdg_surface *surface, continue; } - double popup_sx, popup_sy; - wlr_xdg_surface_popup_get_position(popup, &popup_sx, &popup_sy); + double popup_sx = popup_state->geometry.x - popup_state->base->geometry.x; + double popup_sy = popup_state->geometry.y - popup_state->base->geometry.y; xdg_surface_for_each_surface(popup, x + popup_sx, diff --git a/types/wlr_xdg_shell.c b/types/wlr_xdg_shell.c deleted file mode 100644 index 8b63e057..00000000 --- a/types/wlr_xdg_shell.c +++ /dev/null @@ -1,1975 +0,0 @@ -#ifndef _POSIX_C_SOURCE -#define _POSIX_C_SOURCE 200809L -#endif -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "util/signal.h" -#include "xdg-shell-protocol.h" - -static const char *wlr_desktop_xdg_toplevel_role = "xdg_toplevel"; -static const char *wlr_desktop_xdg_popup_role = "xdg_popup"; - -bool wlr_surface_is_xdg_surface(struct wlr_surface *surface) { - return surface->role != NULL && - (strcmp(surface->role, wlr_desktop_xdg_toplevel_role) == 0 || - strcmp(surface->role, wlr_desktop_xdg_popup_role) == 0); -} - -struct wlr_xdg_surface *wlr_xdg_surface_from_wlr_surface( - struct wlr_surface *surface) { - assert(wlr_surface_is_xdg_surface(surface)); - return (struct wlr_xdg_surface *)surface->role_data; -} - -struct wlr_xdg_positioner_resource { - struct wl_resource *resource; - struct wlr_xdg_positioner attrs; -}; - -static void resource_handle_destroy(struct wl_client *client, - struct wl_resource *resource) { - wl_resource_destroy(resource); -} - -static void xdg_pointer_grab_end(struct wlr_seat_pointer_grab *grab) { - struct wlr_xdg_popup_grab *popup_grab = grab->data; - - struct wlr_xdg_popup *popup, *tmp; - wl_list_for_each_safe(popup, tmp, &popup_grab->popups, grab_link) { - xdg_popup_send_popup_done(popup->resource); - } - - wlr_seat_pointer_end_grab(grab->seat); -} - -static void xdg_pointer_grab_enter(struct wlr_seat_pointer_grab *grab, - struct wlr_surface *surface, double sx, double sy) { - struct wlr_xdg_popup_grab *popup_grab = grab->data; - if (wl_resource_get_client(surface->resource) == popup_grab->client) { - wlr_seat_pointer_enter(grab->seat, surface, sx, sy); - } else { - wlr_seat_pointer_clear_focus(grab->seat); - } -} - -static void xdg_pointer_grab_motion(struct wlr_seat_pointer_grab *grab, - uint32_t time, double sx, double sy) { - wlr_seat_pointer_send_motion(grab->seat, time, sx, sy); -} - -static uint32_t xdg_pointer_grab_button(struct wlr_seat_pointer_grab *grab, - uint32_t time, uint32_t button, uint32_t state) { - uint32_t serial = - wlr_seat_pointer_send_button(grab->seat, time, button, state); - if (serial) { - return serial; - } else { - xdg_pointer_grab_end(grab); - return 0; - } -} - -static void xdg_pointer_grab_axis(struct wlr_seat_pointer_grab *grab, - uint32_t time, enum wlr_axis_orientation orientation, double value, - int32_t value_discrete, enum wlr_axis_source source) { - wlr_seat_pointer_send_axis(grab->seat, time, orientation, value, - value_discrete, source); -} - -static void xdg_pointer_grab_cancel(struct wlr_seat_pointer_grab *grab) { - xdg_pointer_grab_end(grab); -} - -static const struct wlr_pointer_grab_interface xdg_pointer_grab_impl = { - .enter = xdg_pointer_grab_enter, - .motion = xdg_pointer_grab_motion, - .button = xdg_pointer_grab_button, - .cancel = xdg_pointer_grab_cancel, - .axis = xdg_pointer_grab_axis, -}; - -static void xdg_keyboard_grab_enter(struct wlr_seat_keyboard_grab *grab, - struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes, - struct wlr_keyboard_modifiers *modifiers) { - // keyboard focus should remain on the popup -} - -static void xdg_keyboard_grab_key(struct wlr_seat_keyboard_grab *grab, uint32_t time, - uint32_t key, uint32_t state) { - wlr_seat_keyboard_send_key(grab->seat, time, key, state); -} - -static void xdg_keyboard_grab_modifiers(struct wlr_seat_keyboard_grab *grab, - struct wlr_keyboard_modifiers *modifiers) { - wlr_seat_keyboard_send_modifiers(grab->seat, modifiers); -} - -static void xdg_keyboard_grab_cancel(struct wlr_seat_keyboard_grab *grab) { - wlr_seat_keyboard_end_grab(grab->seat); -} - -static const struct wlr_keyboard_grab_interface xdg_keyboard_grab_impl = { - .enter = xdg_keyboard_grab_enter, - .key = xdg_keyboard_grab_key, - .modifiers = xdg_keyboard_grab_modifiers, - .cancel = xdg_keyboard_grab_cancel, -}; - -static void xdg_surface_destroy(struct wlr_xdg_surface *surface); - -static void xdg_popup_grab_handle_seat_destroy( - struct wl_listener *listener, void *data) { - struct wlr_xdg_popup_grab *xdg_grab = - wl_container_of(listener, xdg_grab, seat_destroy); - - wl_list_remove(&xdg_grab->seat_destroy.link); - - struct wlr_xdg_popup *popup, *next; - wl_list_for_each_safe(popup, next, &xdg_grab->popups, grab_link) { - xdg_surface_destroy(popup->base); - } - - wl_list_remove(&xdg_grab->link); - free(xdg_grab); -} - -static struct wlr_xdg_popup_grab *xdg_shell_popup_grab_from_seat( - struct wlr_xdg_shell *shell, struct wlr_seat *seat) { - struct wlr_xdg_popup_grab *xdg_grab; - wl_list_for_each(xdg_grab, &shell->popup_grabs, link) { - if (xdg_grab->seat == seat) { - return xdg_grab; - } - } - - xdg_grab = calloc(1, sizeof(struct wlr_xdg_popup_grab)); - if (!xdg_grab) { - return NULL; - } - - xdg_grab->pointer_grab.data = xdg_grab; - xdg_grab->pointer_grab.interface = &xdg_pointer_grab_impl; - xdg_grab->keyboard_grab.data = xdg_grab; - xdg_grab->keyboard_grab.interface = &xdg_keyboard_grab_impl; - - wl_list_init(&xdg_grab->popups); - - wl_list_insert(&shell->popup_grabs, &xdg_grab->link); - xdg_grab->seat = seat; - - xdg_grab->seat_destroy.notify = xdg_popup_grab_handle_seat_destroy; - wl_signal_add(&seat->events.destroy, &xdg_grab->seat_destroy); - - return xdg_grab; -} - - -static void xdg_surface_configure_destroy( - struct wlr_xdg_surface_configure *configure) { - if (configure == NULL) { - return; - } - wl_list_remove(&configure->link); - free(configure->toplevel_state); - free(configure); -} - -static void xdg_surface_unmap(struct wlr_xdg_surface *surface) { - assert(surface->role != WLR_XDG_SURFACE_ROLE_NONE); - - // TODO: probably need to ungrab before this event - if (surface->mapped) { - wlr_signal_emit_safe(&surface->events.unmap, surface); - } - - switch (surface->role) { - case WLR_XDG_SURFACE_ROLE_TOPLEVEL: - free(surface->toplevel->title); - surface->toplevel->title = NULL; - free(surface->toplevel->app_id); - surface->toplevel->app_id = NULL; - break; - case WLR_XDG_SURFACE_ROLE_POPUP: - if (surface->popup->seat != NULL) { - struct wlr_xdg_popup_grab *grab = - xdg_shell_popup_grab_from_seat(surface->client->shell, - surface->popup->seat); - - wl_list_remove(&surface->popup->grab_link); - - if (wl_list_empty(&grab->popups)) { - if (grab->seat->pointer_state.grab == &grab->pointer_grab) { - wlr_seat_pointer_end_grab(grab->seat); - } - if (grab->seat->keyboard_state.grab == &grab->keyboard_grab) { - wlr_seat_keyboard_end_grab(grab->seat); - } - } - - surface->popup->seat = NULL; - } - break; - case WLR_XDG_SURFACE_ROLE_NONE: - assert(false && "not reached"); - } - - struct wlr_xdg_surface_configure *configure, *tmp; - wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) { - xdg_surface_configure_destroy(configure); - } - - surface->configured = surface->mapped = false; - surface->configure_serial = 0; - if (surface->configure_idle) { - wl_event_source_remove(surface->configure_idle); - surface->configure_idle = NULL; - } - surface->configure_next_serial = 0; - - surface->has_next_geometry = false; - memset(&surface->geometry, 0, sizeof(struct wlr_box)); - memset(&surface->next_geometry, 0, sizeof(struct wlr_box)); -} - -static void xdg_toplevel_destroy(struct wlr_xdg_surface *surface) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); - xdg_surface_unmap(surface); - - wl_resource_set_user_data(surface->toplevel->resource, NULL); - free(surface->toplevel); - surface->toplevel = NULL; - - surface->role = WLR_XDG_SURFACE_ROLE_NONE; -} - -static void xdg_popup_destroy(struct wlr_xdg_surface *surface) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_POPUP); - xdg_surface_unmap(surface); - - wl_resource_set_user_data(surface->popup->resource, NULL); - wl_list_remove(&surface->popup->link); - free(surface->popup); - surface->popup = NULL; - - surface->role = WLR_XDG_SURFACE_ROLE_NONE; -} - -static void xdg_surface_destroy(struct wlr_xdg_surface *surface) { - if (surface->role != WLR_XDG_SURFACE_ROLE_NONE) { - xdg_surface_unmap(surface); - } - - wlr_signal_emit_safe(&surface->events.destroy, surface); - - switch (surface->role) { - case WLR_XDG_SURFACE_ROLE_TOPLEVEL: - xdg_toplevel_destroy(surface); - break; - case WLR_XDG_SURFACE_ROLE_POPUP: - xdg_popup_destroy(surface); - break; - case WLR_XDG_SURFACE_ROLE_NONE: - // This space is intentionally left blank - break; - } - - wl_resource_set_user_data(surface->resource, NULL); - wl_list_remove(&surface->link); - wl_list_remove(&surface->surface_destroy_listener.link); - wlr_surface_set_role_committed(surface->surface, NULL, NULL); - free(surface); -} - - -static const struct xdg_positioner_interface xdg_positioner_implementation; - -static struct wlr_xdg_positioner_resource *xdg_positioner_from_resource( - struct wl_resource *resource) { - assert(wl_resource_instance_of(resource, &xdg_positioner_interface, - &xdg_positioner_implementation)); - return wl_resource_get_user_data(resource); -} - -static void xdg_positioner_destroy(struct wl_resource *resource) { - struct wlr_xdg_positioner_resource *positioner = - xdg_positioner_from_resource(resource); - free(positioner); -} - -static void xdg_positioner_handle_set_size(struct wl_client *client, - struct wl_resource *resource, int32_t width, int32_t height) { - struct wlr_xdg_positioner_resource *positioner = - xdg_positioner_from_resource(resource); - - if (width < 1 || height < 1) { - wl_resource_post_error(resource, - XDG_POSITIONER_ERROR_INVALID_INPUT, - "width and height must be positive and non-zero"); - return; - } - - positioner->attrs.size.width = width; - positioner->attrs.size.height = height; -} - -static void xdg_positioner_handle_set_anchor_rect(struct wl_client *client, - struct wl_resource *resource, int32_t x, int32_t y, int32_t width, - int32_t height) { - struct wlr_xdg_positioner_resource *positioner = - xdg_positioner_from_resource(resource); - - if (width < 0 || height < 0) { - wl_resource_post_error(resource, - XDG_POSITIONER_ERROR_INVALID_INPUT, - "width and height must be positive"); - return; - } - - positioner->attrs.anchor_rect.x = x; - positioner->attrs.anchor_rect.y = y; - positioner->attrs.anchor_rect.width = width; - positioner->attrs.anchor_rect.height = height; -} - -static void xdg_positioner_handle_set_anchor(struct wl_client *client, - struct wl_resource *resource, uint32_t anchor) { - struct wlr_xdg_positioner_resource *positioner = - xdg_positioner_from_resource(resource); - - if (anchor > XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT) { - wl_resource_post_error(resource, - XDG_POSITIONER_ERROR_INVALID_INPUT, - "invalid anchor value"); - return; - } - - positioner->attrs.anchor = anchor; -} - -static void xdg_positioner_handle_set_gravity(struct wl_client *client, - struct wl_resource *resource, uint32_t gravity) { - struct wlr_xdg_positioner_resource *positioner = - xdg_positioner_from_resource(resource); - - if (gravity > XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT) { - wl_resource_post_error(resource, - XDG_POSITIONER_ERROR_INVALID_INPUT, - "invalid gravity value"); - return; - } - - positioner->attrs.gravity = gravity; -} - -static void xdg_positioner_handle_set_constraint_adjustment( - struct wl_client *client, struct wl_resource *resource, - uint32_t constraint_adjustment) { - struct wlr_xdg_positioner_resource *positioner = - xdg_positioner_from_resource(resource); - - positioner->attrs.constraint_adjustment = constraint_adjustment; -} - -static void xdg_positioner_handle_set_offset(struct wl_client *client, - struct wl_resource *resource, int32_t x, int32_t y) { - struct wlr_xdg_positioner_resource *positioner = - xdg_positioner_from_resource(resource); - - positioner->attrs.offset.x = x; - positioner->attrs.offset.y = y; -} - -static const struct xdg_positioner_interface - xdg_positioner_implementation = { - .destroy = resource_handle_destroy, - .set_size = xdg_positioner_handle_set_size, - .set_anchor_rect = xdg_positioner_handle_set_anchor_rect, - .set_anchor = xdg_positioner_handle_set_anchor, - .set_gravity = xdg_positioner_handle_set_gravity, - .set_constraint_adjustment = - xdg_positioner_handle_set_constraint_adjustment, - .set_offset = xdg_positioner_handle_set_offset, -}; - -static void xdg_shell_handle_create_positioner(struct wl_client *wl_client, - struct wl_resource *resource, uint32_t id) { - struct wlr_xdg_positioner_resource *positioner = - calloc(1, sizeof(struct wlr_xdg_positioner_resource)); - if (positioner == NULL) { - wl_client_post_no_memory(wl_client); - return; - } - - positioner->resource = wl_resource_create(wl_client, - &xdg_positioner_interface, - wl_resource_get_version(resource), - id); - if (positioner->resource == NULL) { - free(positioner); - wl_client_post_no_memory(wl_client); - return; - } - - wl_resource_set_implementation(positioner->resource, - &xdg_positioner_implementation, - positioner, xdg_positioner_destroy); -} - -static bool positioner_anchor_has_edge(enum xdg_positioner_anchor anchor, - enum xdg_positioner_anchor edge) { - switch (edge) { - case XDG_POSITIONER_ANCHOR_TOP: - return anchor == XDG_POSITIONER_ANCHOR_TOP || - anchor == XDG_POSITIONER_ANCHOR_TOP_LEFT || - anchor == XDG_POSITIONER_ANCHOR_TOP_RIGHT; - case XDG_POSITIONER_ANCHOR_BOTTOM: - return anchor == XDG_POSITIONER_ANCHOR_BOTTOM || - anchor == XDG_POSITIONER_ANCHOR_BOTTOM_LEFT || - anchor == XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT; - case XDG_POSITIONER_ANCHOR_LEFT: - return anchor == XDG_POSITIONER_ANCHOR_LEFT || - anchor == XDG_POSITIONER_ANCHOR_TOP_LEFT || - anchor == XDG_POSITIONER_ANCHOR_BOTTOM_LEFT; - case XDG_POSITIONER_ANCHOR_RIGHT: - return anchor == XDG_POSITIONER_ANCHOR_RIGHT || - anchor == XDG_POSITIONER_ANCHOR_TOP_RIGHT || - anchor == XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT; - default: - assert(false); // not reached - } -} - -static bool positioner_gravity_has_edge(enum xdg_positioner_gravity gravity, - enum xdg_positioner_gravity edge) { - // gravity and edge enums are the same - return positioner_anchor_has_edge((enum xdg_positioner_anchor)gravity, - (enum xdg_positioner_anchor)edge); -} - -struct wlr_box wlr_xdg_positioner_get_geometry( - struct wlr_xdg_positioner *positioner) { - struct wlr_box geometry = { - .x = positioner->offset.x, - .y = positioner->offset.y, - .width = positioner->size.width, - .height = positioner->size.height, - }; - - if (positioner_anchor_has_edge(positioner->anchor, - XDG_POSITIONER_ANCHOR_TOP)) { - geometry.y += positioner->anchor_rect.y; - } else if (positioner_anchor_has_edge(positioner->anchor, - XDG_POSITIONER_ANCHOR_BOTTOM)) { - geometry.y += - positioner->anchor_rect.y + positioner->anchor_rect.height; - } else { - geometry.y += - positioner->anchor_rect.y + positioner->anchor_rect.height / 2; - } - - if (positioner_anchor_has_edge(positioner->anchor, - XDG_POSITIONER_ANCHOR_LEFT)) { - geometry.x += positioner->anchor_rect.x; - } else if (positioner_anchor_has_edge(positioner->anchor, - XDG_POSITIONER_ANCHOR_RIGHT)) { - geometry.x += positioner->anchor_rect.x + positioner->anchor_rect.width; - } else { - geometry.x += - positioner->anchor_rect.x + positioner->anchor_rect.width / 2; - } - - if (positioner_gravity_has_edge(positioner->gravity, - XDG_POSITIONER_GRAVITY_TOP)) { - geometry.y -= geometry.height; - } else if (positioner_gravity_has_edge(positioner->gravity, - XDG_POSITIONER_GRAVITY_BOTTOM)) { - geometry.y = geometry.y; - } else { - geometry.y -= geometry.height / 2; - } - - if (positioner_gravity_has_edge(positioner->gravity, - XDG_POSITIONER_GRAVITY_LEFT)) { - geometry.x -= geometry.width; - } else if (positioner_gravity_has_edge(positioner->gravity, - XDG_POSITIONER_GRAVITY_RIGHT)) { - geometry.x = geometry.x; - } else { - geometry.x -= geometry.width / 2; - } - - if (positioner->constraint_adjustment == - XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_NONE) { - return geometry; - } - - return geometry; -} - - -static const struct xdg_popup_interface xdg_popup_implementation; - -struct wlr_xdg_surface *wlr_xdg_surface_from_popup_resource( - struct wl_resource *resource) { - assert(wl_resource_instance_of(resource, &xdg_popup_interface, - &xdg_popup_implementation)); - return wl_resource_get_user_data(resource); -} - -static void xdg_popup_handle_grab(struct wl_client *client, - struct wl_resource *resource, struct wl_resource *seat_resource, - uint32_t serial) { - struct wlr_xdg_surface *surface = - wlr_xdg_surface_from_popup_resource(resource); - struct wlr_seat_client *seat_client = - wlr_seat_client_from_resource(seat_resource); - - if (surface->popup->committed) { - wl_resource_post_error(surface->popup->resource, - XDG_POPUP_ERROR_INVALID_GRAB, - "xdg_popup is already mapped"); - return; - } - - struct wlr_xdg_popup_grab *popup_grab = - xdg_shell_popup_grab_from_seat(surface->client->shell, - seat_client->seat); - - if (!wl_list_empty(&surface->popups)) { - wl_resource_post_error(surface->client->resource, - XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP, - "xdg_popup was not created on the topmost popup"); - return; - } - - popup_grab->client = surface->client->client; - surface->popup->seat = seat_client->seat; - - wl_list_insert(&popup_grab->popups, &surface->popup->grab_link); - - wlr_seat_pointer_start_grab(seat_client->seat, - &popup_grab->pointer_grab); - wlr_seat_keyboard_start_grab(seat_client->seat, - &popup_grab->keyboard_grab); -} - -static void xdg_popup_handle_destroy(struct wl_client *client, - struct wl_resource *resource) { - struct wlr_xdg_surface *surface = - wlr_xdg_surface_from_popup_resource(resource); - - if (!wl_list_empty(&surface->popups)) { - wl_resource_post_error(surface->client->resource, - XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP, - "xdg_popup was destroyed while it was not the topmost popup"); - return; - } - - wl_resource_destroy(resource); -} - -static const struct xdg_popup_interface xdg_popup_implementation = { - .destroy = xdg_popup_handle_destroy, - .grab = xdg_popup_handle_grab, -}; - -static void xdg_popup_resource_destroy(struct wl_resource *resource) { - struct wlr_xdg_surface *surface = - wlr_xdg_surface_from_popup_resource(resource); - if (surface != NULL) { - xdg_popup_destroy(surface); - } -} - -static const struct xdg_surface_interface xdg_surface_implementation; - -struct wlr_xdg_surface *wlr_xdg_surface_from_resource( - struct wl_resource *resource) { - // TODO: Double check that all of the callers can deal with NULL - if (!resource) { - return NULL; - } - assert(wl_resource_instance_of(resource, &xdg_surface_interface, - &xdg_surface_implementation)); - return wl_resource_get_user_data(resource); -} - -static void xdg_surface_handle_get_popup(struct wl_client *client, - struct wl_resource *resource, uint32_t id, - struct wl_resource *parent_resource, - struct wl_resource *positioner_resource) { - struct wlr_xdg_surface *surface = - wlr_xdg_surface_from_resource(resource); - struct wlr_xdg_surface *parent = - wlr_xdg_surface_from_resource(parent_resource); - struct wlr_xdg_positioner_resource *positioner = - xdg_positioner_from_resource(positioner_resource); - - if (positioner->attrs.size.width == 0 || - positioner->attrs.anchor_rect.width == 0) { - wl_resource_post_error(resource, - XDG_WM_BASE_ERROR_INVALID_POSITIONER, - "positioner object is not complete"); - return; - } - - if (wlr_surface_set_role(surface->surface, wlr_desktop_xdg_popup_role, - resource, XDG_WM_BASE_ERROR_ROLE)) { - return; - } - - surface->popup = calloc(1, sizeof(struct wlr_xdg_popup)); - if (!surface->popup) { - wl_resource_post_no_memory(resource); - return; - } - - surface->popup->resource = - wl_resource_create(client, &xdg_popup_interface, - wl_resource_get_version(resource), id); - if (surface->popup->resource == NULL) { - free(surface->popup); - wl_resource_post_no_memory(resource); - return; - } - - surface->role = WLR_XDG_SURFACE_ROLE_POPUP; - surface->popup->base = surface; - - // positioner properties - memcpy(&surface->popup->positioner, &positioner->attrs, - sizeof(struct wlr_xdg_positioner)); - surface->popup->geometry = - wlr_xdg_positioner_get_geometry(&positioner->attrs); - - wl_resource_set_implementation(surface->popup->resource, - &xdg_popup_implementation, surface, - xdg_popup_resource_destroy); - - if (parent) { - surface->popup->parent = parent->surface; - wl_list_insert(&parent->popups, &surface->popup->link); - wlr_signal_emit_safe(&parent->events.new_popup, surface->popup); - } -} - - -static const struct xdg_toplevel_interface xdg_toplevel_implementation; - -static struct wlr_xdg_surface *xdg_surface_from_xdg_toplevel_resource( - struct wl_resource *resource) { - assert(wl_resource_instance_of(resource, &xdg_toplevel_interface, - &xdg_toplevel_implementation)); - return wl_resource_get_user_data(resource); -} - -static void xdg_toplevel_handle_set_parent(struct wl_client *client, - struct wl_resource *resource, struct wl_resource *parent_resource) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - struct wlr_xdg_surface *parent = NULL; - - if (parent_resource != NULL) { - parent = xdg_surface_from_xdg_toplevel_resource(parent_resource); - } - - surface->toplevel->parent = parent; -} - -static void xdg_toplevel_handle_set_title(struct wl_client *client, - struct wl_resource *resource, const char *title) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - char *tmp; - - tmp = strdup(title); - if (tmp == NULL) { - return; - } - - free(surface->toplevel->title); - surface->toplevel->title = tmp; -} - -static void xdg_toplevel_handle_set_app_id(struct wl_client *client, - struct wl_resource *resource, const char *app_id) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - char *tmp; - - tmp = strdup(app_id); - if (tmp == NULL) { - return; - } - - free(surface->toplevel->app_id); - surface->toplevel->app_id = tmp; -} - -static void xdg_toplevel_handle_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) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - struct wlr_seat_client *seat = - wlr_seat_client_from_resource(seat_resource); - - if (!surface->configured) { - wl_resource_post_error(surface->toplevel->resource, - XDG_SURFACE_ERROR_NOT_CONSTRUCTED, - "surface has not been configured yet"); - return; - } - - if (!wlr_seat_validate_grab_serial(seat->seat, serial)) { - wlr_log(L_DEBUG, "invalid serial for grab"); - return; - } - - struct wlr_xdg_toplevel_show_window_menu_event event = { - .surface = surface, - .seat = seat, - .serial = serial, - .x = x, - .y = y, - }; - - wlr_signal_emit_safe(&surface->toplevel->events.request_show_window_menu, &event); -} - -static void xdg_toplevel_handle_move(struct wl_client *client, - struct wl_resource *resource, struct wl_resource *seat_resource, - uint32_t serial) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - struct wlr_seat_client *seat = - wlr_seat_client_from_resource(seat_resource); - - if (!surface->configured) { - wl_resource_post_error(surface->toplevel->resource, - XDG_SURFACE_ERROR_NOT_CONSTRUCTED, - "surface has not been configured yet"); - return; - } - - if (!wlr_seat_validate_grab_serial(seat->seat, serial)) { - wlr_log(L_DEBUG, "invalid serial for grab"); - return; - } - - struct wlr_xdg_toplevel_move_event event = { - .surface = surface, - .seat = seat, - .serial = serial, - }; - - wlr_signal_emit_safe(&surface->toplevel->events.request_move, &event); -} - -static void xdg_toplevel_handle_resize(struct wl_client *client, - struct wl_resource *resource, struct wl_resource *seat_resource, - uint32_t serial, uint32_t edges) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - struct wlr_seat_client *seat = - wlr_seat_client_from_resource(seat_resource); - - if (!surface->configured) { - wl_resource_post_error(surface->toplevel->resource, - XDG_SURFACE_ERROR_NOT_CONSTRUCTED, - "surface has not been configured yet"); - return; - } - - if (!wlr_seat_validate_grab_serial(seat->seat, serial)) { - wlr_log(L_DEBUG, "invalid serial for grab"); - return; - } - - struct wlr_xdg_toplevel_resize_event event = { - .surface = surface, - .seat = seat, - .serial = serial, - .edges = edges, - }; - - wlr_signal_emit_safe(&surface->toplevel->events.request_resize, &event); -} - -static void xdg_toplevel_handle_set_max_size(struct wl_client *client, - struct wl_resource *resource, int32_t width, int32_t height) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - surface->toplevel->client_pending.max_width = width; - surface->toplevel->client_pending.max_height = height; -} - -static void xdg_toplevel_handle_set_min_size(struct wl_client *client, - struct wl_resource *resource, int32_t width, int32_t height) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - surface->toplevel->client_pending.min_width = width; - surface->toplevel->client_pending.min_height = height; -} - -static void xdg_toplevel_handle_set_maximized(struct wl_client *client, - struct wl_resource *resource) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - surface->toplevel->client_pending.maximized = true; - wlr_signal_emit_safe(&surface->toplevel->events.request_maximize, surface); -} - -static void xdg_toplevel_handle_unset_maximized(struct wl_client *client, - struct wl_resource *resource) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - surface->toplevel->client_pending.maximized = false; - wlr_signal_emit_safe(&surface->toplevel->events.request_maximize, surface); -} - -static void xdg_toplevel_handle_set_fullscreen(struct wl_client *client, - struct wl_resource *resource, struct wl_resource *output_resource) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - - struct wlr_output *output = NULL; - if (output_resource != NULL) { - output = wlr_output_from_resource(output_resource); - } - - surface->toplevel->client_pending.fullscreen = true; - - struct wlr_xdg_toplevel_set_fullscreen_event event = { - .surface = surface, - .fullscreen = true, - .output = output, - }; - - wlr_signal_emit_safe(&surface->toplevel->events.request_fullscreen, &event); -} - -static void xdg_toplevel_handle_unset_fullscreen(struct wl_client *client, - struct wl_resource *resource) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - - surface->toplevel->client_pending.fullscreen = false; - - struct wlr_xdg_toplevel_set_fullscreen_event event = { - .surface = surface, - .fullscreen = false, - .output = NULL, - }; - - wlr_signal_emit_safe(&surface->toplevel->events.request_fullscreen, &event); -} - -static void xdg_toplevel_handle_set_minimized(struct wl_client *client, - struct wl_resource *resource) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - wlr_signal_emit_safe(&surface->toplevel->events.request_minimize, surface); -} - -static const struct xdg_toplevel_interface xdg_toplevel_implementation = { - .destroy = resource_handle_destroy, - .set_parent = xdg_toplevel_handle_set_parent, - .set_title = xdg_toplevel_handle_set_title, - .set_app_id = xdg_toplevel_handle_set_app_id, - .show_window_menu = xdg_toplevel_handle_show_window_menu, - .move = xdg_toplevel_handle_move, - .resize = xdg_toplevel_handle_resize, - .set_max_size = xdg_toplevel_handle_set_max_size, - .set_min_size = xdg_toplevel_handle_set_min_size, - .set_maximized = xdg_toplevel_handle_set_maximized, - .unset_maximized = xdg_toplevel_handle_unset_maximized, - .set_fullscreen = xdg_toplevel_handle_set_fullscreen, - .unset_fullscreen = xdg_toplevel_handle_unset_fullscreen, - .set_minimized = xdg_toplevel_handle_set_minimized, -}; - -static void xdg_surface_resource_destroy(struct wl_resource *resource) { - struct wlr_xdg_surface *surface = - wlr_xdg_surface_from_resource(resource); - if (surface != NULL) { - xdg_surface_destroy(surface); - } -} - -static void xdg_toplevel_resource_destroy(struct wl_resource *resource) { - struct wlr_xdg_surface *surface = - xdg_surface_from_xdg_toplevel_resource(resource); - if (surface != NULL) { - xdg_toplevel_destroy(surface); - } -} - -static void xdg_surface_handle_get_toplevel(struct wl_client *client, - struct wl_resource *resource, uint32_t id) { - struct wlr_xdg_surface *surface = wlr_xdg_surface_from_resource(resource); - - if (wlr_surface_set_role(surface->surface, wlr_desktop_xdg_toplevel_role, - resource, XDG_WM_BASE_ERROR_ROLE)) { - return; - } - - surface->toplevel = calloc(1, sizeof(struct wlr_xdg_toplevel)); - if (surface->toplevel == NULL) { - wl_resource_post_no_memory(resource); - return; - } - wl_signal_init(&surface->toplevel->events.request_maximize); - wl_signal_init(&surface->toplevel->events.request_fullscreen); - wl_signal_init(&surface->toplevel->events.request_minimize); - wl_signal_init(&surface->toplevel->events.request_move); - wl_signal_init(&surface->toplevel->events.request_resize); - wl_signal_init(&surface->toplevel->events.request_show_window_menu); - - surface->role = WLR_XDG_SURFACE_ROLE_TOPLEVEL; - surface->toplevel->base = surface; - - struct wl_resource *toplevel_resource = wl_resource_create(client, - &xdg_toplevel_interface, wl_resource_get_version(resource), id); - if (toplevel_resource == NULL) { - free(surface->toplevel); - wl_resource_post_no_memory(resource); - return; - } - - surface->toplevel->resource = toplevel_resource; - - wl_resource_set_implementation(toplevel_resource, - &xdg_toplevel_implementation, surface, - xdg_toplevel_resource_destroy); -} - -static void xdg_toplevel_ack_configure( - struct wlr_xdg_surface *surface, - struct wlr_xdg_surface_configure *configure) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); - assert(configure->toplevel_state != NULL); - - surface->toplevel->current.maximized = - configure->toplevel_state->maximized; - surface->toplevel->current.fullscreen = - configure->toplevel_state->fullscreen; - surface->toplevel->current.resizing = - configure->toplevel_state->resizing; - surface->toplevel->current.activated = - configure->toplevel_state->activated; -} - -static void xdg_surface_handle_ack_configure(struct wl_client *client, - struct wl_resource *resource, uint32_t serial) { - struct wlr_xdg_surface *surface = wlr_xdg_surface_from_resource(resource); - - if (surface->role == WLR_XDG_SURFACE_ROLE_NONE) { - wl_resource_post_error(surface->resource, - XDG_SURFACE_ERROR_NOT_CONSTRUCTED, - "xdg_surface must have a role"); - return; - } - - bool found = false; - struct wlr_xdg_surface_configure *configure, *tmp; - wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) { - if (configure->serial < serial) { - xdg_surface_configure_destroy(configure); - } else if (configure->serial == serial) { - found = true; - break; - } else { - break; - } - } - if (!found) { - wl_resource_post_error(surface->client->resource, - XDG_WM_BASE_ERROR_INVALID_SURFACE_STATE, - "wrong configure serial: %u", serial); - return; - } - - switch (surface->role) { - case WLR_XDG_SURFACE_ROLE_NONE: - assert(0 && "not reached"); - break; - case WLR_XDG_SURFACE_ROLE_TOPLEVEL: - xdg_toplevel_ack_configure(surface, configure); - break; - case WLR_XDG_SURFACE_ROLE_POPUP: - break; - } - - surface->configured = true; - surface->configure_serial = serial; - - xdg_surface_configure_destroy(configure); -} - -static void xdg_surface_handle_set_window_geometry(struct wl_client *client, - struct wl_resource *resource, int32_t x, int32_t y, int32_t width, - int32_t height) { - struct wlr_xdg_surface *surface = wlr_xdg_surface_from_resource(resource); - - if (surface->role == WLR_XDG_SURFACE_ROLE_NONE) { - wl_resource_post_error(surface->resource, - XDG_SURFACE_ERROR_NOT_CONSTRUCTED, - "xdg_surface must have a role"); - return; - } - - surface->has_next_geometry = true; - surface->next_geometry.height = height; - surface->next_geometry.width = width; - surface->next_geometry.x = x; - surface->next_geometry.y = y; -} - -static void xdg_surface_handle_destroy(struct wl_client *client, - struct wl_resource *resource) { - struct wlr_xdg_surface *surface = wlr_xdg_surface_from_resource(resource); - - if (surface->role != WLR_XDG_SURFACE_ROLE_NONE) { - wlr_log(L_ERROR, "Tried to destroy an xdg_surface before its role " - "object"); - return; - } - - wl_resource_destroy(resource); -} - -static const struct xdg_surface_interface xdg_surface_implementation = { - .destroy = xdg_surface_handle_destroy, - .get_toplevel = xdg_surface_handle_get_toplevel, - .get_popup = xdg_surface_handle_get_popup, - .ack_configure = xdg_surface_handle_ack_configure, - .set_window_geometry = xdg_surface_handle_set_window_geometry, -}; - -static bool xdg_surface_toplevel_state_compare( - struct wlr_xdg_toplevel *state) { - struct { - struct wlr_xdg_toplevel_state state; - uint32_t width, height; - } configured; - - // is pending state different from current state? - if (!state->base->configured) { - return false; - } - - if (wl_list_empty(&state->base->configure_list)) { - // last configure is actually the current state, just use it - configured.state = state->current; - configured.width = state->base->surface->current->width; - configured.height = state->base->surface->current->width; - } else { - struct wlr_xdg_surface_configure *configure = - wl_container_of(state->base->configure_list.prev, configure, link); - configured.state = *configure->toplevel_state; - configured.width = configure->toplevel_state->width; - configured.height = configure->toplevel_state->height; - } - - if (state->server_pending.activated != configured.state.activated) { - return false; - } - if (state->server_pending.fullscreen != configured.state.fullscreen) { - return false; - } - if (state->server_pending.maximized != configured.state.maximized) { - return false; - } - if (state->server_pending.resizing != configured.state.resizing) { - return false; - } - - if (state->server_pending.width == configured.width && - state->server_pending.height == configured.height) { - return true; - } - - if (state->server_pending.width == 0 && state->server_pending.height == 0) { - return true; - } - - return false; -} - -static void toplevel_send_configure( - struct wlr_xdg_surface *surface, - struct wlr_xdg_surface_configure *configure) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); - - configure->toplevel_state = malloc(sizeof(*configure->toplevel_state)); - if (configure->toplevel_state == NULL) { - wlr_log(L_ERROR, "Allocation failed"); - wl_resource_post_no_memory(surface->toplevel->resource); - return; - } - *configure->toplevel_state = surface->toplevel->server_pending; - - uint32_t *s; - struct wl_array states; - wl_array_init(&states); - if (surface->toplevel->server_pending.maximized) { - s = wl_array_add(&states, sizeof(uint32_t)); - if (!s) { - wlr_log(L_ERROR, "Could not allocate state for maximized xdg_toplevel"); - goto error_out; - } - *s = XDG_TOPLEVEL_STATE_MAXIMIZED; - } - if (surface->toplevel->server_pending.fullscreen) { - s = wl_array_add(&states, sizeof(uint32_t)); - if (!s) { - wlr_log(L_ERROR, "Could not allocate state for fullscreen xdg_toplevel"); - goto error_out; - } - *s = XDG_TOPLEVEL_STATE_FULLSCREEN; - } - if (surface->toplevel->server_pending.resizing) { - s = wl_array_add(&states, sizeof(uint32_t)); - if (!s) { - wlr_log(L_ERROR, "Could not allocate state for resizing xdg_toplevel"); - goto error_out; - } - *s = XDG_TOPLEVEL_STATE_RESIZING; - } - if (surface->toplevel->server_pending.activated) { - s = wl_array_add(&states, sizeof(uint32_t)); - if (!s) { - wlr_log(L_ERROR, "Could not allocate state for activated xdg_toplevel"); - goto error_out; - } - *s = XDG_TOPLEVEL_STATE_ACTIVATED; - } - - uint32_t width = surface->toplevel->server_pending.width; - uint32_t height = surface->toplevel->server_pending.height; - xdg_toplevel_send_configure(surface->toplevel->resource, width, height, - &states); - - wl_array_release(&states); - return; - -error_out: - wl_array_release(&states); - wl_resource_post_no_memory(surface->toplevel->resource); -} - -static void surface_send_configure(void *user_data) { - struct wlr_xdg_surface *surface = user_data; - - surface->configure_idle = NULL; - - struct wlr_xdg_surface_configure *configure = - calloc(1, sizeof(struct wlr_xdg_surface_configure)); - if (configure == NULL) { - wl_client_post_no_memory(surface->client->client); - return; - } - - wl_list_insert(surface->configure_list.prev, &configure->link); - configure->serial = surface->configure_next_serial; - - switch (surface->role) { - case WLR_XDG_SURFACE_ROLE_NONE: - assert(0 && "not reached"); - break; - case WLR_XDG_SURFACE_ROLE_TOPLEVEL: - toplevel_send_configure(surface, configure); - break; - case WLR_XDG_SURFACE_ROLE_POPUP: - xdg_popup_send_configure(surface->popup->resource, - surface->popup->geometry.x, - surface->popup->geometry.y, - surface->popup->geometry.width, - surface->popup->geometry.height); - break; - } - - xdg_surface_send_configure(surface->resource, configure->serial); -} - -static uint32_t xdg_surface_schedule_configure( - struct wlr_xdg_surface *surface) { - struct wl_display *display = wl_client_get_display(surface->client->client); - struct wl_event_loop *loop = wl_display_get_event_loop(display); - bool pending_same = false; - - switch (surface->role) { - case WLR_XDG_SURFACE_ROLE_NONE: - assert(0 && "not reached"); - break; - case WLR_XDG_SURFACE_ROLE_TOPLEVEL: - pending_same = - xdg_surface_toplevel_state_compare(surface->toplevel); - break; - case WLR_XDG_SURFACE_ROLE_POPUP: - break; - } - - if (surface->configure_idle != NULL) { - if (!pending_same) { - // configure request already scheduled - return surface->configure_next_serial; - } - - // configure request not necessary anymore - wl_event_source_remove(surface->configure_idle); - surface->configure_idle = NULL; - return 0; - } else { - if (pending_same) { - // configure request not necessary - return 0; - } - - surface->configure_next_serial = wl_display_next_serial(display); - surface->configure_idle = wl_event_loop_add_idle(loop, - surface_send_configure, surface); - return surface->configure_next_serial; - } -} - -static void xdg_surface_handle_surface_destroy(struct wl_listener *listener, - void *data) { - struct wlr_xdg_surface *xdg_surface = - wl_container_of(listener, xdg_surface, surface_destroy_listener); - xdg_surface_destroy(xdg_surface); -} - -static void xdg_surface_toplevel_committed( - struct wlr_xdg_surface *surface) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); - - if (!surface->toplevel->added) { - // on the first commit, send a configure request to tell the client it - // is added - xdg_surface_schedule_configure(surface); - surface->toplevel->added = true; - return; - } - - // update state that doesn't need compositor approval - surface->toplevel->current.max_width = - surface->toplevel->client_pending.max_width; - surface->toplevel->current.min_width = - surface->toplevel->client_pending.min_width; - surface->toplevel->current.max_height = - surface->toplevel->client_pending.max_height; - surface->toplevel->current.min_height = - surface->toplevel->client_pending.min_height; -} - -static void xdg_surface_popup_committed( - struct wlr_xdg_surface *surface) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_POPUP); - - if (!surface->popup->parent) { - wl_resource_post_error(surface->resource, - XDG_SURFACE_ERROR_NOT_CONSTRUCTED, - "xdg_popup has no parent"); - return; - } - - if (!surface->popup->committed) { - xdg_surface_schedule_configure(surface); - surface->popup->committed = true; - } -} - -static void handle_surface_committed(struct wlr_surface *wlr_surface, - void *role_data) { - struct wlr_xdg_surface *surface = role_data; - - if (wlr_surface_has_buffer(surface->surface) && !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; - surface->geometry.x = surface->next_geometry.x; - surface->geometry.y = surface->next_geometry.y; - surface->geometry.width = surface->next_geometry.width; - surface->geometry.height = surface->next_geometry.height; - } - - switch (surface->role) { - case WLR_XDG_SURFACE_ROLE_NONE: - wl_resource_post_error(surface->resource, - XDG_SURFACE_ERROR_NOT_CONSTRUCTED, - "xdg_surface must have a role"); - break; - case WLR_XDG_SURFACE_ROLE_TOPLEVEL: - xdg_surface_toplevel_committed(surface); - break; - case WLR_XDG_SURFACE_ROLE_POPUP: - xdg_surface_popup_committed(surface); - break; - } - - if (!surface->added) { - surface->added = true; - wlr_signal_emit_safe(&surface->client->shell->events.new_surface, - surface); - } - if (surface->configured && wlr_surface_has_buffer(surface->surface) && - !surface->mapped) { - surface->mapped = true; - wlr_signal_emit_safe(&surface->events.map, surface); - } - if (surface->configured && !wlr_surface_has_buffer(surface->surface) && - surface->mapped) { - xdg_surface_unmap(surface); - } -} - -static const struct xdg_wm_base_interface xdg_shell_impl; - -static struct wlr_xdg_client *xdg_client_from_resource( - struct wl_resource *resource) { - assert(wl_resource_instance_of(resource, &xdg_wm_base_interface, - &xdg_shell_impl)); - return wl_resource_get_user_data(resource); -} - -static void xdg_shell_handle_get_xdg_surface(struct wl_client *wl_client, - struct wl_resource *client_resource, uint32_t id, - struct wl_resource *surface_resource) { - struct wlr_xdg_client *client = - xdg_client_from_resource(client_resource); - - struct wlr_xdg_surface *surface = - calloc(1, sizeof(struct wlr_xdg_surface)); - if (surface == NULL) { - wl_client_post_no_memory(wl_client); - return; - } - - surface->client = client; - surface->role = WLR_XDG_SURFACE_ROLE_NONE; - surface->surface = wlr_surface_from_resource(surface_resource); - surface->resource = wl_resource_create(wl_client, - &xdg_surface_interface, wl_resource_get_version(client_resource), - id); - if (surface->resource == NULL) { - free(surface); - wl_client_post_no_memory(wl_client); - return; - } - - if (wlr_surface_has_buffer(surface->surface)) { - wl_resource_destroy(surface->resource); - free(surface); - wl_resource_post_error(surface_resource, - XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER, - "xdg_surface must not have a buffer at creation"); - return; - } - - wl_list_init(&surface->configure_list); - wl_list_init(&surface->popups); - - wl_signal_init(&surface->events.destroy); - wl_signal_init(&surface->events.ping_timeout); - wl_signal_init(&surface->events.new_popup); - wl_signal_init(&surface->events.map); - wl_signal_init(&surface->events.unmap); - - wl_signal_add(&surface->surface->events.destroy, - &surface->surface_destroy_listener); - surface->surface_destroy_listener.notify = - xdg_surface_handle_surface_destroy; - - wlr_surface_set_role_committed(surface->surface, - handle_surface_committed, surface); - - wlr_log(L_DEBUG, "new xdg_surface %p (res %p)", surface, surface->resource); - wl_resource_set_implementation(surface->resource, - &xdg_surface_implementation, surface, xdg_surface_resource_destroy); - wl_list_insert(&client->surfaces, &surface->link); -} - -static void xdg_shell_handle_pong(struct wl_client *wl_client, - struct wl_resource *resource, uint32_t serial) { - struct wlr_xdg_client *client = xdg_client_from_resource(resource); - - if (client->ping_serial != serial) { - return; - } - - wl_event_source_timer_update(client->ping_timer, 0); - client->ping_serial = 0; -} - -static void xdg_shell_handle_destroy(struct wl_client *wl_client, - struct wl_resource *resource) { - struct wlr_xdg_client *client = xdg_client_from_resource(resource); - - if (!wl_list_empty(&client->surfaces)) { - wl_resource_post_error(client->resource, - XDG_WM_BASE_ERROR_DEFUNCT_SURFACES, - "xdg_wm_base was destroyed before children"); - return; - } - - wl_resource_destroy(resource); -} - -static const struct xdg_wm_base_interface xdg_shell_impl = { - .destroy = xdg_shell_handle_destroy, - .create_positioner = xdg_shell_handle_create_positioner, - .get_xdg_surface = xdg_shell_handle_get_xdg_surface, - .pong = xdg_shell_handle_pong, -}; - -static void xdg_client_handle_resource_destroy(struct wl_resource *resource) { - struct wlr_xdg_client *client = xdg_client_from_resource(resource); - - struct wlr_xdg_surface *surface, *tmp = NULL; - wl_list_for_each_safe(surface, tmp, &client->surfaces, link) { - xdg_surface_destroy(surface); - } - - if (client->ping_timer != NULL) { - wl_event_source_remove(client->ping_timer); - } - - wl_list_remove(&client->link); - free(client); -} - -static int xdg_client_ping_timeout(void *user_data) { - struct wlr_xdg_client *client = user_data; - - struct wlr_xdg_surface *surface; - wl_list_for_each(surface, &client->surfaces, link) { - wlr_signal_emit_safe(&surface->events.ping_timeout, surface); - } - - client->ping_serial = 0; - return 1; -} - -static void xdg_shell_bind(struct wl_client *wl_client, void *data, - uint32_t version, uint32_t id) { - struct wlr_xdg_shell *xdg_shell = data; - assert(wl_client && xdg_shell); - - struct wlr_xdg_client *client = - calloc(1, sizeof(struct wlr_xdg_client)); - if (client == NULL) { - wl_client_post_no_memory(wl_client); - return; - } - - wl_list_init(&client->surfaces); - - client->resource = - wl_resource_create(wl_client, &xdg_wm_base_interface, version, id); - if (client->resource == NULL) { - free(client); - wl_client_post_no_memory(wl_client); - return; - } - client->client = wl_client; - client->shell = xdg_shell; - - wl_resource_set_implementation(client->resource, &xdg_shell_impl, client, - xdg_client_handle_resource_destroy); - wl_list_insert(&xdg_shell->clients, &client->link); - - struct wl_display *display = wl_client_get_display(client->client); - struct wl_event_loop *loop = wl_display_get_event_loop(display); - client->ping_timer = wl_event_loop_add_timer(loop, - xdg_client_ping_timeout, client); - if (client->ping_timer == NULL) { - wl_client_post_no_memory(client->client); - } -} - -static void handle_display_destroy(struct wl_listener *listener, void *data) { - struct wlr_xdg_shell *xdg_shell = - wl_container_of(listener, xdg_shell, display_destroy); - wlr_xdg_shell_destroy(xdg_shell); -} - -struct wlr_xdg_shell *wlr_xdg_shell_create(struct wl_display *display) { - struct wlr_xdg_shell *xdg_shell = - calloc(1, sizeof(struct wlr_xdg_shell)); - if (!xdg_shell) { - return NULL; - } - - xdg_shell->ping_timeout = 10000; - - wl_list_init(&xdg_shell->clients); - wl_list_init(&xdg_shell->popup_grabs); - - struct wl_global *wl_global = wl_global_create(display, - &xdg_wm_base_interface, 1, xdg_shell, xdg_shell_bind); - if (!wl_global) { - free(xdg_shell); - return NULL; - } - xdg_shell->wl_global = wl_global; - - wl_signal_init(&xdg_shell->events.new_surface); - - xdg_shell->display_destroy.notify = handle_display_destroy; - wl_display_add_destroy_listener(display, &xdg_shell->display_destroy); - - return xdg_shell; -} - -void wlr_xdg_shell_destroy(struct wlr_xdg_shell *xdg_shell) { - if (!xdg_shell) { - return; - } - wl_list_remove(&xdg_shell->display_destroy.link); - wl_global_destroy(xdg_shell->wl_global); - free(xdg_shell); -} - -void wlr_xdg_surface_ping(struct wlr_xdg_surface *surface) { - if (surface->client->ping_serial != 0) { - // already pinged - return; - } - - surface->client->ping_serial = - wl_display_next_serial(wl_client_get_display(surface->client->client)); - wl_event_source_timer_update(surface->client->ping_timer, - surface->client->shell->ping_timeout); - xdg_wm_base_send_ping(surface->client->resource, - surface->client->ping_serial); -} - -uint32_t wlr_xdg_toplevel_set_size(struct wlr_xdg_surface *surface, - uint32_t width, uint32_t height) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); - surface->toplevel->server_pending.width = width; - surface->toplevel->server_pending.height = height; - - return xdg_surface_schedule_configure(surface); -} - -uint32_t wlr_xdg_toplevel_set_activated(struct wlr_xdg_surface *surface, - bool activated) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); - surface->toplevel->server_pending.activated = activated; - - return xdg_surface_schedule_configure(surface); -} - -uint32_t wlr_xdg_toplevel_set_maximized(struct wlr_xdg_surface *surface, - bool maximized) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); - surface->toplevel->server_pending.maximized = maximized; - - return xdg_surface_schedule_configure(surface); -} - -uint32_t wlr_xdg_toplevel_set_fullscreen(struct wlr_xdg_surface *surface, - bool fullscreen) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); - surface->toplevel->server_pending.fullscreen = fullscreen; - - return xdg_surface_schedule_configure(surface); -} - -uint32_t wlr_xdg_toplevel_set_resizing(struct wlr_xdg_surface *surface, - bool resizing) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); - surface->toplevel->server_pending.resizing = resizing; - - return xdg_surface_schedule_configure(surface); -} - -void wlr_xdg_surface_send_close(struct wlr_xdg_surface *surface) { - switch (surface->role) { - case WLR_XDG_SURFACE_ROLE_NONE: - assert(0 && "not reached"); - break; - case WLR_XDG_SURFACE_ROLE_TOPLEVEL: - if (surface->toplevel) { - xdg_toplevel_send_close(surface->toplevel->resource); - } - break; - case WLR_XDG_SURFACE_ROLE_POPUP: - if (surface->popup) { - xdg_popup_send_popup_done(surface->popup->resource); - } - break; - } -} - -void wlr_xdg_surface_popup_get_position(struct wlr_xdg_surface *surface, - double *popup_sx, double *popup_sy) { - assert(surface->role == WLR_XDG_SURFACE_ROLE_POPUP); - struct wlr_xdg_popup *popup = surface->popup; - assert(strcmp(popup->parent->role, wlr_desktop_xdg_toplevel_role) == 0 - || strcmp(popup->parent->role, wlr_desktop_xdg_popup_role) == 0); - struct wlr_xdg_surface *parent = popup->parent->role_data; - *popup_sx = parent->geometry.x + popup->geometry.x - surface->geometry.x; - *popup_sy = parent->geometry.y + popup->geometry.y - surface->geometry.y; -} - -struct wlr_surface *wlr_xdg_surface_surface_at( - struct wlr_xdg_surface *surface, double sx, double sy, - double *sub_x, double *sub_y) { - struct wlr_xdg_popup *popup_state; - wl_list_for_each(popup_state, &surface->popups, link) { - struct wlr_xdg_surface *popup = popup_state->base; - - double popup_sx, popup_sy; - wlr_xdg_surface_popup_get_position(popup, &popup_sx, &popup_sy); - - struct wlr_surface *sub = wlr_xdg_surface_surface_at(popup, - sx - popup_sx, - sy - popup_sy, - sub_x, sub_y); - if (sub != NULL) { - return sub; - } - } - - return wlr_surface_surface_at(surface->surface, sx, sy, sub_x, sub_y); -} - -void wlr_xdg_popup_get_anchor_point(struct wlr_xdg_popup *popup, - int *root_sx, int *root_sy) { - struct wlr_box rect = popup->positioner.anchor_rect; - enum xdg_positioner_anchor anchor = popup->positioner.anchor; - int sx = 0, sy = 0; - - if (anchor == XDG_POSITIONER_ANCHOR_NONE) { - sx = (rect.x + rect.width) / 2; - sy = (rect.y + rect.height) / 2; - } else if (anchor == XDG_POSITIONER_ANCHOR_TOP) { - sx = (rect.x + rect.width) / 2; - sy = rect.y; - } else if (anchor == XDG_POSITIONER_ANCHOR_BOTTOM) { - sx = (rect.x + rect.width) / 2; - sy = rect.y + rect.height; - } else if (anchor == XDG_POSITIONER_ANCHOR_LEFT) { - sx = rect.x; - sy = (rect.y + rect.height) / 2; - } else if (anchor == XDG_POSITIONER_ANCHOR_RIGHT) { - sx = rect.x + rect.width; - sy = (rect.y + rect.height) / 2; - } else if (anchor == XDG_POSITIONER_ANCHOR_TOP_LEFT) { - sx = rect.x; - sy = rect.y; - } else if (anchor == XDG_POSITIONER_ANCHOR_TOP_RIGHT) { - sx = rect.x + rect.width; - sy = rect.y; - } else if (anchor == XDG_POSITIONER_ANCHOR_BOTTOM_LEFT) { - sx = rect.x; - sy = rect.y + rect.height; - } else if (anchor == XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT) { - sx = rect.x + rect.width; - sy = rect.y + rect.height; - } - - *root_sx = sx; - *root_sy = sy; -} - -void wlr_xdg_popup_get_toplevel_coords(struct wlr_xdg_popup *popup, - int popup_sx, int popup_sy, int *toplevel_sx, int *toplevel_sy) { - struct wlr_xdg_surface *parent = - wlr_xdg_surface_from_wlr_surface(popup->parent); - while (parent != NULL && parent->role == WLR_XDG_SURFACE_ROLE_POPUP) { - popup_sx += parent->popup->geometry.x; - popup_sy += parent->popup->geometry.y; - parent = wlr_xdg_surface_from_wlr_surface(parent->popup->parent); - } - assert(parent); - - *toplevel_sx = popup_sx + parent->geometry.x; - *toplevel_sy = popup_sy + parent->geometry.y; -} - -static void xdg_popup_box_constraints(struct wlr_xdg_popup *popup, - struct wlr_box *toplevel_sx_box, int *offset_x, int *offset_y) { - int popup_width = popup->geometry.width; - int popup_height = popup->geometry.height; - int anchor_sx = 0, anchor_sy = 0; - wlr_xdg_popup_get_anchor_point(popup, &anchor_sx, &anchor_sy); - int popup_sx = 0, popup_sy = 0; - wlr_xdg_popup_get_toplevel_coords(popup, popup->geometry.x, - popup->geometry.y, &popup_sx, &popup_sy); - *offset_x = 0, *offset_y = 0; - - if (popup_sx < toplevel_sx_box->x) { - *offset_x = toplevel_sx_box->x - popup_sx; - } else if (popup_sx + popup_width > - toplevel_sx_box->x + toplevel_sx_box->width) { - *offset_x = toplevel_sx_box->x + toplevel_sx_box->width - - (popup_sx + popup_width); - } - - if (popup_sy < toplevel_sx_box->y) { - *offset_y = toplevel_sx_box->y - popup_sy; - } else if (popup_sy + popup_height > - toplevel_sx_box->y + toplevel_sx_box->height) { - *offset_y = toplevel_sx_box->y + toplevel_sx_box->height - - (popup_sy + popup_height); - } -} - -static bool xdg_popup_unconstrain_flip(struct wlr_xdg_popup *popup, - struct wlr_box *toplevel_sx_box) { - int offset_x = 0, offset_y = 0; - xdg_popup_box_constraints(popup, toplevel_sx_box, - &offset_x, &offset_y); - - if (!offset_x && !offset_y) { - return true; - } - - bool flip_x = offset_x && - (popup->positioner.constraint_adjustment & - XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_X); - - bool flip_y = offset_y && - (popup->positioner.constraint_adjustment & - XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_Y); - - if (flip_x) { - wlr_positioner_invert_x(&popup->positioner); - } - if (flip_y) { - wlr_positioner_invert_y(&popup->positioner); - } - - popup->geometry = - wlr_xdg_positioner_get_geometry(&popup->positioner); - - xdg_popup_box_constraints(popup, toplevel_sx_box, - &offset_x, &offset_y); - - if (!offset_x && !offset_y) { - // no longer constrained - return true; - } - - // revert the positioner back if it didn't fix it and go to the next part - if (flip_x) { - wlr_positioner_invert_x(&popup->positioner); - } - if (flip_y) { - wlr_positioner_invert_y(&popup->positioner); - } - - popup->geometry = - wlr_xdg_positioner_get_geometry(&popup->positioner); - - return false; -} - -static bool xdg_popup_unconstrain_slide(struct wlr_xdg_popup *popup, - struct wlr_box *toplevel_sx_box) { - int offset_x = 0, offset_y = 0; - xdg_popup_box_constraints(popup, toplevel_sx_box, - &offset_x, &offset_y); - - if (!offset_x && !offset_y) { - return true; - } - - bool slide_x = offset_x && - (popup->positioner.constraint_adjustment & - XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_X); - - bool slide_y = offset_x && - (popup->positioner.constraint_adjustment & - XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_Y); - - if (slide_x) { - popup->geometry.x += offset_x; - } - - if (slide_y) { - popup->geometry.y += offset_y; - } - - int toplevel_x = 0, toplevel_y = 0; - wlr_xdg_popup_get_toplevel_coords(popup, popup->geometry.x, - popup->geometry.y, &toplevel_x, &toplevel_y); - - if (slide_x && toplevel_x < toplevel_sx_box->x) { - popup->geometry.x += toplevel_sx_box->x - toplevel_x; - } - if (slide_y && toplevel_y < toplevel_sx_box->y) { - popup->geometry.y += toplevel_sx_box->y - toplevel_y; - } - - xdg_popup_box_constraints(popup, toplevel_sx_box, - &offset_x, &offset_y); - - return !offset_x && !offset_y; -} - -static bool xdg_popup_unconstrain_resize(struct wlr_xdg_popup *popup, - struct wlr_box *toplevel_sx_box) { - int offset_x, offset_y; - xdg_popup_box_constraints(popup, toplevel_sx_box, - &offset_x, &offset_y); - - if (!offset_x && !offset_y) { - return true; - } - - bool resize_x = offset_x && - (popup->positioner.constraint_adjustment & - XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_X); - - bool resize_y = offset_x && - (popup->positioner.constraint_adjustment & - XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_Y); - - if (resize_x) { - popup->geometry.width -= offset_x; - } - if (resize_y) { - popup->geometry.height -= offset_y; - } - - xdg_popup_box_constraints(popup, toplevel_sx_box, - &offset_y, &offset_y); - - return !offset_x && !offset_y; -} - -void wlr_xdg_popup_unconstrain_from_box(struct wlr_xdg_popup *popup, - struct wlr_box *toplevel_sx_box) { - if (xdg_popup_unconstrain_flip(popup, toplevel_sx_box)) { - return; - } - if (xdg_popup_unconstrain_slide(popup, toplevel_sx_box)) { - return; - } - if (xdg_popup_unconstrain_resize(popup, toplevel_sx_box)) { - return; - } -} - -static enum xdg_positioner_anchor positioner_anchor_invert_x( - enum xdg_positioner_anchor anchor) { - switch (anchor) { - case XDG_POSITIONER_ANCHOR_LEFT: - return XDG_POSITIONER_ANCHOR_RIGHT; - case XDG_POSITIONER_ANCHOR_RIGHT: - return XDG_POSITIONER_ANCHOR_LEFT; - case XDG_POSITIONER_ANCHOR_TOP_LEFT: - return XDG_POSITIONER_ANCHOR_TOP_RIGHT; - case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT: - return XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT; - case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT: - return XDG_POSITIONER_ANCHOR_BOTTOM_LEFT; - default: - return anchor; - } -} - -static enum xdg_positioner_gravity positioner_gravity_invert_x( - enum xdg_positioner_gravity gravity) { - // gravity and edge enums are the same - return (enum xdg_positioner_gravity)positioner_anchor_invert_x( - (enum xdg_positioner_anchor)gravity); -} - -static enum xdg_positioner_anchor positioner_anchor_invert_y( - enum xdg_positioner_anchor anchor) { - switch (anchor) { - case XDG_POSITIONER_ANCHOR_TOP: - return XDG_POSITIONER_ANCHOR_BOTTOM; - case XDG_POSITIONER_ANCHOR_BOTTOM: - return XDG_POSITIONER_ANCHOR_TOP; - case XDG_POSITIONER_ANCHOR_TOP_LEFT: - return XDG_POSITIONER_ANCHOR_BOTTOM_LEFT; - case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT: - return XDG_POSITIONER_ANCHOR_TOP_LEFT; - case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT: - return XDG_POSITIONER_ANCHOR_TOP_RIGHT; - default: - return anchor; - } -} - -static enum xdg_positioner_gravity positioner_gravity_invert_y( - enum xdg_positioner_gravity gravity) { - // gravity and edge enums are the same - return (enum xdg_positioner_gravity)positioner_anchor_invert_y( - (enum xdg_positioner_anchor)gravity); -} - -void wlr_positioner_invert_x(struct wlr_xdg_positioner *positioner) { - positioner->anchor = positioner_anchor_invert_x(positioner->anchor); - positioner->gravity = positioner_gravity_invert_x(positioner->gravity); -} - -void wlr_positioner_invert_y(struct wlr_xdg_positioner *positioner) { - positioner->anchor = positioner_anchor_invert_y(positioner->anchor); - positioner->gravity = positioner_gravity_invert_y(positioner->gravity); -} - -struct xdg_surface_iterator_data { - wlr_surface_iterator_func_t user_iterator; - void *user_data; - int x, y; -}; - -static void xdg_surface_iterator(struct wlr_surface *surface, - int sx, int sy, void *data) { - struct xdg_surface_iterator_data *iter_data = data; - iter_data->user_iterator(surface, iter_data->x + sx, iter_data->y + sy, - iter_data->user_data); -} - -static void xdg_surface_for_each_surface(struct wlr_xdg_surface *surface, - int x, int y, wlr_surface_iterator_func_t iterator, void *user_data) { - struct xdg_surface_iterator_data data = { - .user_iterator = iterator, - .user_data = user_data, - .x = x, .y = y, - }; - wlr_surface_for_each_surface(surface->surface, xdg_surface_iterator, - &data); - - struct wlr_xdg_popup *popup_state; - wl_list_for_each(popup_state, &surface->popups, link) { - struct wlr_xdg_surface *popup = popup_state->base; - if (!popup->configured) { - continue; - } - - double popup_sx, popup_sy; - wlr_xdg_surface_popup_get_position(popup, &popup_sx, &popup_sy); - - xdg_surface_for_each_surface(popup, - x + popup_sx, - y + popup_sy, - iterator, user_data); - } -} - -void wlr_xdg_surface_for_each_surface(struct wlr_xdg_surface *surface, - wlr_surface_iterator_func_t iterator, void *user_data) { - xdg_surface_for_each_surface(surface, 0, 0, iterator, user_data); -} diff --git a/types/xdg_shell/wlr_xdg_popup.c b/types/xdg_shell/wlr_xdg_popup.c new file mode 100644 index 00000000..9c8b6eb2 --- /dev/null +++ b/types/xdg_shell/wlr_xdg_popup.c @@ -0,0 +1,490 @@ +#include +#include +#include +#include "types/wlr_xdg_shell.h" +#include "util/signal.h" + +static void xdg_pointer_grab_end(struct wlr_seat_pointer_grab *grab) { + struct wlr_xdg_popup_grab *popup_grab = grab->data; + + struct wlr_xdg_popup *popup, *tmp; + wl_list_for_each_safe(popup, tmp, &popup_grab->popups, grab_link) { + xdg_popup_send_popup_done(popup->resource); + } + + wlr_seat_pointer_end_grab(grab->seat); +} + +static void xdg_pointer_grab_enter(struct wlr_seat_pointer_grab *grab, + struct wlr_surface *surface, double sx, double sy) { + struct wlr_xdg_popup_grab *popup_grab = grab->data; + if (wl_resource_get_client(surface->resource) == popup_grab->client) { + wlr_seat_pointer_enter(grab->seat, surface, sx, sy); + } else { + wlr_seat_pointer_clear_focus(grab->seat); + } +} + +static void xdg_pointer_grab_motion(struct wlr_seat_pointer_grab *grab, + uint32_t time, double sx, double sy) { + wlr_seat_pointer_send_motion(grab->seat, time, sx, sy); +} + +static uint32_t xdg_pointer_grab_button(struct wlr_seat_pointer_grab *grab, + uint32_t time, uint32_t button, uint32_t state) { + uint32_t serial = + wlr_seat_pointer_send_button(grab->seat, time, button, state); + if (serial) { + return serial; + } else { + xdg_pointer_grab_end(grab); + return 0; + } +} + +static void xdg_pointer_grab_axis(struct wlr_seat_pointer_grab *grab, + uint32_t time, enum wlr_axis_orientation orientation, double value, + int32_t value_discrete, enum wlr_axis_source source) { + wlr_seat_pointer_send_axis(grab->seat, time, orientation, value, + value_discrete, source); +} + +static void xdg_pointer_grab_cancel(struct wlr_seat_pointer_grab *grab) { + xdg_pointer_grab_end(grab); +} + +static const struct wlr_pointer_grab_interface xdg_pointer_grab_impl = { + .enter = xdg_pointer_grab_enter, + .motion = xdg_pointer_grab_motion, + .button = xdg_pointer_grab_button, + .cancel = xdg_pointer_grab_cancel, + .axis = xdg_pointer_grab_axis, +}; + +static void xdg_keyboard_grab_enter(struct wlr_seat_keyboard_grab *grab, + struct wlr_surface *surface, uint32_t keycodes[], size_t num_keycodes, + struct wlr_keyboard_modifiers *modifiers) { + // keyboard focus should remain on the popup +} + +static void xdg_keyboard_grab_key(struct wlr_seat_keyboard_grab *grab, uint32_t time, + uint32_t key, uint32_t state) { + wlr_seat_keyboard_send_key(grab->seat, time, key, state); +} + +static void xdg_keyboard_grab_modifiers(struct wlr_seat_keyboard_grab *grab, + struct wlr_keyboard_modifiers *modifiers) { + wlr_seat_keyboard_send_modifiers(grab->seat, modifiers); +} + +static void xdg_keyboard_grab_cancel(struct wlr_seat_keyboard_grab *grab) { + wlr_seat_keyboard_end_grab(grab->seat); +} + +static const struct wlr_keyboard_grab_interface xdg_keyboard_grab_impl = { + .enter = xdg_keyboard_grab_enter, + .key = xdg_keyboard_grab_key, + .modifiers = xdg_keyboard_grab_modifiers, + .cancel = xdg_keyboard_grab_cancel, +}; + +static void xdg_popup_grab_handle_seat_destroy( + struct wl_listener *listener, void *data) { + struct wlr_xdg_popup_grab *xdg_grab = + wl_container_of(listener, xdg_grab, seat_destroy); + + wl_list_remove(&xdg_grab->seat_destroy.link); + + struct wlr_xdg_popup *popup, *next; + wl_list_for_each_safe(popup, next, &xdg_grab->popups, grab_link) { + destroy_xdg_surface(popup->base); + } + + wl_list_remove(&xdg_grab->link); + free(xdg_grab); +} + +struct wlr_xdg_popup_grab *get_xdg_shell_popup_grab_from_seat( + struct wlr_xdg_shell *shell, struct wlr_seat *seat) { + struct wlr_xdg_popup_grab *xdg_grab; + wl_list_for_each(xdg_grab, &shell->popup_grabs, link) { + if (xdg_grab->seat == seat) { + return xdg_grab; + } + } + + xdg_grab = calloc(1, sizeof(struct wlr_xdg_popup_grab)); + if (!xdg_grab) { + return NULL; + } + + xdg_grab->pointer_grab.data = xdg_grab; + xdg_grab->pointer_grab.interface = &xdg_pointer_grab_impl; + xdg_grab->keyboard_grab.data = xdg_grab; + xdg_grab->keyboard_grab.interface = &xdg_keyboard_grab_impl; + + wl_list_init(&xdg_grab->popups); + + wl_list_insert(&shell->popup_grabs, &xdg_grab->link); + xdg_grab->seat = seat; + + xdg_grab->seat_destroy.notify = xdg_popup_grab_handle_seat_destroy; + wl_signal_add(&seat->events.destroy, &xdg_grab->seat_destroy); + + return xdg_grab; +} + + +static const struct xdg_popup_interface xdg_popup_implementation; + +struct wlr_xdg_surface *wlr_xdg_surface_from_popup_resource( + struct wl_resource *resource) { + assert(wl_resource_instance_of(resource, &xdg_popup_interface, + &xdg_popup_implementation)); + return wl_resource_get_user_data(resource); +} + +static void xdg_popup_handle_grab(struct wl_client *client, + struct wl_resource *resource, struct wl_resource *seat_resource, + uint32_t serial) { + struct wlr_xdg_surface *surface = + wlr_xdg_surface_from_popup_resource(resource); + struct wlr_seat_client *seat_client = + wlr_seat_client_from_resource(seat_resource); + + if (surface->popup->committed) { + wl_resource_post_error(surface->popup->resource, + XDG_POPUP_ERROR_INVALID_GRAB, + "xdg_popup is already mapped"); + return; + } + + struct wlr_xdg_popup_grab *popup_grab = get_xdg_shell_popup_grab_from_seat( + surface->client->shell, seat_client->seat); + + if (!wl_list_empty(&surface->popups)) { + wl_resource_post_error(surface->client->resource, + XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP, + "xdg_popup was not created on the topmost popup"); + return; + } + + popup_grab->client = surface->client->client; + surface->popup->seat = seat_client->seat; + + wl_list_insert(&popup_grab->popups, &surface->popup->grab_link); + + wlr_seat_pointer_start_grab(seat_client->seat, + &popup_grab->pointer_grab); + wlr_seat_keyboard_start_grab(seat_client->seat, + &popup_grab->keyboard_grab); +} + +static void xdg_popup_handle_destroy(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_xdg_surface *surface = + wlr_xdg_surface_from_popup_resource(resource); + + if (!wl_list_empty(&surface->popups)) { + wl_resource_post_error(surface->client->resource, + XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP, + "xdg_popup was destroyed while it was not the topmost popup"); + return; + } + + wl_resource_destroy(resource); +} + +static const struct xdg_popup_interface xdg_popup_implementation = { + .destroy = xdg_popup_handle_destroy, + .grab = xdg_popup_handle_grab, +}; + +static void xdg_popup_handle_resource_destroy(struct wl_resource *resource) { + struct wlr_xdg_surface *surface = + wlr_xdg_surface_from_popup_resource(resource); + if (surface != NULL) { + destroy_xdg_popup(surface); + } +} + +void create_xdg_popup(struct wlr_xdg_surface *xdg_surface, + struct wlr_xdg_surface *parent, + struct wlr_xdg_positioner_resource *positioner, int32_t id) { + if (positioner->attrs.size.width == 0 || + positioner->attrs.anchor_rect.width == 0) { + wl_resource_post_error(xdg_surface->resource, + XDG_WM_BASE_ERROR_INVALID_POSITIONER, + "positioner object is not complete"); + return; + } + + if (wlr_surface_set_role(xdg_surface->surface, XDG_POPUP_ROLE, + xdg_surface->resource, XDG_WM_BASE_ERROR_ROLE)) { + return; + } + + xdg_surface->popup = calloc(1, sizeof(struct wlr_xdg_popup)); + if (!xdg_surface->popup) { + wl_resource_post_no_memory(xdg_surface->resource); + return; + } + + xdg_surface->popup->resource = wl_resource_create( + xdg_surface->client->client, &xdg_popup_interface, + wl_resource_get_version(xdg_surface->resource), id); + if (xdg_surface->popup->resource == NULL) { + free(xdg_surface->popup); + wl_resource_post_no_memory(xdg_surface->resource); + return; + } + wl_resource_set_implementation(xdg_surface->popup->resource, + &xdg_popup_implementation, xdg_surface, + xdg_popup_handle_resource_destroy); + + xdg_surface->role = WLR_XDG_SURFACE_ROLE_POPUP; + xdg_surface->popup->base = xdg_surface; + + // positioner properties + memcpy(&xdg_surface->popup->positioner, &positioner->attrs, + sizeof(struct wlr_xdg_positioner)); + xdg_surface->popup->geometry = + wlr_xdg_positioner_get_geometry(&positioner->attrs); + + if (parent) { + xdg_surface->popup->parent = parent->surface; + wl_list_insert(&parent->popups, &xdg_surface->popup->link); + wlr_signal_emit_safe(&parent->events.new_popup, xdg_surface->popup); + } +} + +void destroy_xdg_popup(struct wlr_xdg_surface *surface) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_POPUP); + unmap_xdg_surface(surface); + + wl_resource_set_user_data(surface->popup->resource, NULL); + wl_list_remove(&surface->popup->link); + free(surface->popup); + surface->popup = NULL; + + surface->role = WLR_XDG_SURFACE_ROLE_NONE; +} + +void wlr_xdg_popup_get_anchor_point(struct wlr_xdg_popup *popup, + int *root_sx, int *root_sy) { + struct wlr_box rect = popup->positioner.anchor_rect; + enum xdg_positioner_anchor anchor = popup->positioner.anchor; + int sx = 0, sy = 0; + + if (anchor == XDG_POSITIONER_ANCHOR_NONE) { + sx = (rect.x + rect.width) / 2; + sy = (rect.y + rect.height) / 2; + } else if (anchor == XDG_POSITIONER_ANCHOR_TOP) { + sx = (rect.x + rect.width) / 2; + sy = rect.y; + } else if (anchor == XDG_POSITIONER_ANCHOR_BOTTOM) { + sx = (rect.x + rect.width) / 2; + sy = rect.y + rect.height; + } else if (anchor == XDG_POSITIONER_ANCHOR_LEFT) { + sx = rect.x; + sy = (rect.y + rect.height) / 2; + } else if (anchor == XDG_POSITIONER_ANCHOR_RIGHT) { + sx = rect.x + rect.width; + sy = (rect.y + rect.height) / 2; + } else if (anchor == XDG_POSITIONER_ANCHOR_TOP_LEFT) { + sx = rect.x; + sy = rect.y; + } else if (anchor == XDG_POSITIONER_ANCHOR_TOP_RIGHT) { + sx = rect.x + rect.width; + sy = rect.y; + } else if (anchor == XDG_POSITIONER_ANCHOR_BOTTOM_LEFT) { + sx = rect.x; + sy = rect.y + rect.height; + } else if (anchor == XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT) { + sx = rect.x + rect.width; + sy = rect.y + rect.height; + } + + *root_sx = sx; + *root_sy = sy; +} + +void wlr_xdg_popup_get_toplevel_coords(struct wlr_xdg_popup *popup, + int popup_sx, int popup_sy, int *toplevel_sx, int *toplevel_sy) { + struct wlr_xdg_surface *parent = + wlr_xdg_surface_from_wlr_surface(popup->parent); + while (parent != NULL && parent->role == WLR_XDG_SURFACE_ROLE_POPUP) { + popup_sx += parent->popup->geometry.x; + popup_sy += parent->popup->geometry.y; + parent = wlr_xdg_surface_from_wlr_surface(parent->popup->parent); + } + assert(parent); + + *toplevel_sx = popup_sx + parent->geometry.x; + *toplevel_sy = popup_sy + parent->geometry.y; +} + +static void xdg_popup_box_constraints(struct wlr_xdg_popup *popup, + struct wlr_box *toplevel_sx_box, int *offset_x, int *offset_y) { + int popup_width = popup->geometry.width; + int popup_height = popup->geometry.height; + int anchor_sx = 0, anchor_sy = 0; + wlr_xdg_popup_get_anchor_point(popup, &anchor_sx, &anchor_sy); + int popup_sx = 0, popup_sy = 0; + wlr_xdg_popup_get_toplevel_coords(popup, popup->geometry.x, + popup->geometry.y, &popup_sx, &popup_sy); + *offset_x = 0, *offset_y = 0; + + if (popup_sx < toplevel_sx_box->x) { + *offset_x = toplevel_sx_box->x - popup_sx; + } else if (popup_sx + popup_width > + toplevel_sx_box->x + toplevel_sx_box->width) { + *offset_x = toplevel_sx_box->x + toplevel_sx_box->width - + (popup_sx + popup_width); + } + + if (popup_sy < toplevel_sx_box->y) { + *offset_y = toplevel_sx_box->y - popup_sy; + } else if (popup_sy + popup_height > + toplevel_sx_box->y + toplevel_sx_box->height) { + *offset_y = toplevel_sx_box->y + toplevel_sx_box->height - + (popup_sy + popup_height); + } +} + +static bool xdg_popup_unconstrain_flip(struct wlr_xdg_popup *popup, + struct wlr_box *toplevel_sx_box) { + int offset_x = 0, offset_y = 0; + xdg_popup_box_constraints(popup, toplevel_sx_box, + &offset_x, &offset_y); + + if (!offset_x && !offset_y) { + return true; + } + + bool flip_x = offset_x && + (popup->positioner.constraint_adjustment & + XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_X); + + bool flip_y = offset_y && + (popup->positioner.constraint_adjustment & + XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_FLIP_Y); + + if (flip_x) { + wlr_positioner_invert_x(&popup->positioner); + } + if (flip_y) { + wlr_positioner_invert_y(&popup->positioner); + } + + popup->geometry = + wlr_xdg_positioner_get_geometry(&popup->positioner); + + xdg_popup_box_constraints(popup, toplevel_sx_box, + &offset_x, &offset_y); + + if (!offset_x && !offset_y) { + // no longer constrained + return true; + } + + // revert the positioner back if it didn't fix it and go to the next part + if (flip_x) { + wlr_positioner_invert_x(&popup->positioner); + } + if (flip_y) { + wlr_positioner_invert_y(&popup->positioner); + } + + popup->geometry = + wlr_xdg_positioner_get_geometry(&popup->positioner); + + return false; +} + +static bool xdg_popup_unconstrain_slide(struct wlr_xdg_popup *popup, + struct wlr_box *toplevel_sx_box) { + int offset_x = 0, offset_y = 0; + xdg_popup_box_constraints(popup, toplevel_sx_box, + &offset_x, &offset_y); + + if (!offset_x && !offset_y) { + return true; + } + + bool slide_x = offset_x && + (popup->positioner.constraint_adjustment & + XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_X); + + bool slide_y = offset_x && + (popup->positioner.constraint_adjustment & + XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_SLIDE_Y); + + if (slide_x) { + popup->geometry.x += offset_x; + } + + if (slide_y) { + popup->geometry.y += offset_y; + } + + int toplevel_x = 0, toplevel_y = 0; + wlr_xdg_popup_get_toplevel_coords(popup, popup->geometry.x, + popup->geometry.y, &toplevel_x, &toplevel_y); + + if (slide_x && toplevel_x < toplevel_sx_box->x) { + popup->geometry.x += toplevel_sx_box->x - toplevel_x; + } + if (slide_y && toplevel_y < toplevel_sx_box->y) { + popup->geometry.y += toplevel_sx_box->y - toplevel_y; + } + + xdg_popup_box_constraints(popup, toplevel_sx_box, + &offset_x, &offset_y); + + return !offset_x && !offset_y; +} + +static bool xdg_popup_unconstrain_resize(struct wlr_xdg_popup *popup, + struct wlr_box *toplevel_sx_box) { + int offset_x, offset_y; + xdg_popup_box_constraints(popup, toplevel_sx_box, + &offset_x, &offset_y); + + if (!offset_x && !offset_y) { + return true; + } + + bool resize_x = offset_x && + (popup->positioner.constraint_adjustment & + XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_X); + + bool resize_y = offset_x && + (popup->positioner.constraint_adjustment & + XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_RESIZE_Y); + + if (resize_x) { + popup->geometry.width -= offset_x; + } + if (resize_y) { + popup->geometry.height -= offset_y; + } + + xdg_popup_box_constraints(popup, toplevel_sx_box, + &offset_y, &offset_y); + + return !offset_x && !offset_y; +} + +void wlr_xdg_popup_unconstrain_from_box(struct wlr_xdg_popup *popup, + struct wlr_box *toplevel_sx_box) { + if (xdg_popup_unconstrain_flip(popup, toplevel_sx_box)) { + return; + } + if (xdg_popup_unconstrain_slide(popup, toplevel_sx_box)) { + return; + } + if (xdg_popup_unconstrain_resize(popup, toplevel_sx_box)) { + return; + } +} diff --git a/types/xdg_shell/wlr_xdg_positioner.c b/types/xdg_shell/wlr_xdg_positioner.c new file mode 100644 index 00000000..0213c572 --- /dev/null +++ b/types/xdg_shell/wlr_xdg_positioner.c @@ -0,0 +1,309 @@ +#include +#include +#include "types/wlr_xdg_shell.h" + +static const struct xdg_positioner_interface xdg_positioner_implementation; + +struct wlr_xdg_positioner_resource *get_xdg_positioner_from_resource( + struct wl_resource *resource) { + assert(wl_resource_instance_of(resource, &xdg_positioner_interface, + &xdg_positioner_implementation)); + return wl_resource_get_user_data(resource); +} + +static void xdg_positioner_handle_set_size(struct wl_client *client, + struct wl_resource *resource, int32_t width, int32_t height) { + struct wlr_xdg_positioner_resource *positioner = + get_xdg_positioner_from_resource(resource); + + if (width < 1 || height < 1) { + wl_resource_post_error(resource, + XDG_POSITIONER_ERROR_INVALID_INPUT, + "width and height must be positive and non-zero"); + return; + } + + positioner->attrs.size.width = width; + positioner->attrs.size.height = height; +} + +static void xdg_positioner_handle_set_anchor_rect(struct wl_client *client, + struct wl_resource *resource, int32_t x, int32_t y, int32_t width, + int32_t height) { + struct wlr_xdg_positioner_resource *positioner = + get_xdg_positioner_from_resource(resource); + + if (width < 0 || height < 0) { + wl_resource_post_error(resource, + XDG_POSITIONER_ERROR_INVALID_INPUT, + "width and height must be positive"); + return; + } + + positioner->attrs.anchor_rect.x = x; + positioner->attrs.anchor_rect.y = y; + positioner->attrs.anchor_rect.width = width; + positioner->attrs.anchor_rect.height = height; +} + +static void xdg_positioner_handle_set_anchor(struct wl_client *client, + struct wl_resource *resource, uint32_t anchor) { + struct wlr_xdg_positioner_resource *positioner = + get_xdg_positioner_from_resource(resource); + + if (anchor > XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT) { + wl_resource_post_error(resource, + XDG_POSITIONER_ERROR_INVALID_INPUT, + "invalid anchor value"); + return; + } + + positioner->attrs.anchor = anchor; +} + +static void xdg_positioner_handle_set_gravity(struct wl_client *client, + struct wl_resource *resource, uint32_t gravity) { + struct wlr_xdg_positioner_resource *positioner = + get_xdg_positioner_from_resource(resource); + + if (gravity > XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT) { + wl_resource_post_error(resource, + XDG_POSITIONER_ERROR_INVALID_INPUT, + "invalid gravity value"); + return; + } + + positioner->attrs.gravity = gravity; +} + +static void xdg_positioner_handle_set_constraint_adjustment( + struct wl_client *client, struct wl_resource *resource, + uint32_t constraint_adjustment) { + struct wlr_xdg_positioner_resource *positioner = + get_xdg_positioner_from_resource(resource); + + positioner->attrs.constraint_adjustment = constraint_adjustment; +} + +static void xdg_positioner_handle_set_offset(struct wl_client *client, + struct wl_resource *resource, int32_t x, int32_t y) { + struct wlr_xdg_positioner_resource *positioner = + get_xdg_positioner_from_resource(resource); + + positioner->attrs.offset.x = x; + positioner->attrs.offset.y = y; +} + +static void xdg_positioner_handle_destroy(struct wl_client *client, + struct wl_resource *resource) { + wl_resource_destroy(resource); +} + +static const struct xdg_positioner_interface + xdg_positioner_implementation = { + .destroy = xdg_positioner_handle_destroy, + .set_size = xdg_positioner_handle_set_size, + .set_anchor_rect = xdg_positioner_handle_set_anchor_rect, + .set_anchor = xdg_positioner_handle_set_anchor, + .set_gravity = xdg_positioner_handle_set_gravity, + .set_constraint_adjustment = + xdg_positioner_handle_set_constraint_adjustment, + .set_offset = xdg_positioner_handle_set_offset, +}; + +static void xdg_positioner_handle_resource_destroy( + struct wl_resource *resource) { + struct wlr_xdg_positioner_resource *positioner = + get_xdg_positioner_from_resource(resource); + free(positioner); +} + +void create_xdg_positioner(struct wlr_xdg_client *client, uint32_t id) { + struct wlr_xdg_positioner_resource *positioner = + calloc(1, sizeof(struct wlr_xdg_positioner_resource)); + if (positioner == NULL) { + wl_client_post_no_memory(client->client); + return; + } + + positioner->resource = wl_resource_create(client->client, + &xdg_positioner_interface, + wl_resource_get_version(client->resource), + id); + if (positioner->resource == NULL) { + free(positioner); + wl_client_post_no_memory(client->client); + return; + } + wl_resource_set_implementation(positioner->resource, + &xdg_positioner_implementation, + positioner, xdg_positioner_handle_resource_destroy); +} + +void handle_xdg_surface_popup_committed(struct wlr_xdg_surface *surface) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_POPUP); + + if (!surface->popup->parent) { + wl_resource_post_error(surface->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "xdg_popup has no parent"); + return; + } + + if (!surface->popup->committed) { + schedule_xdg_surface_configure(surface); + surface->popup->committed = true; + } +} + +static bool positioner_anchor_has_edge(enum xdg_positioner_anchor anchor, + enum xdg_positioner_anchor edge) { + switch (edge) { + case XDG_POSITIONER_ANCHOR_TOP: + return anchor == XDG_POSITIONER_ANCHOR_TOP || + anchor == XDG_POSITIONER_ANCHOR_TOP_LEFT || + anchor == XDG_POSITIONER_ANCHOR_TOP_RIGHT; + case XDG_POSITIONER_ANCHOR_BOTTOM: + return anchor == XDG_POSITIONER_ANCHOR_BOTTOM || + anchor == XDG_POSITIONER_ANCHOR_BOTTOM_LEFT || + anchor == XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT; + case XDG_POSITIONER_ANCHOR_LEFT: + return anchor == XDG_POSITIONER_ANCHOR_LEFT || + anchor == XDG_POSITIONER_ANCHOR_TOP_LEFT || + anchor == XDG_POSITIONER_ANCHOR_BOTTOM_LEFT; + case XDG_POSITIONER_ANCHOR_RIGHT: + return anchor == XDG_POSITIONER_ANCHOR_RIGHT || + anchor == XDG_POSITIONER_ANCHOR_TOP_RIGHT || + anchor == XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT; + default: + assert(false); // not reached + } +} + +static bool positioner_gravity_has_edge(enum xdg_positioner_gravity gravity, + enum xdg_positioner_gravity edge) { + // gravity and edge enums are the same + return positioner_anchor_has_edge((enum xdg_positioner_anchor)gravity, + (enum xdg_positioner_anchor)edge); +} + +struct wlr_box wlr_xdg_positioner_get_geometry( + struct wlr_xdg_positioner *positioner) { + struct wlr_box geometry = { + .x = positioner->offset.x, + .y = positioner->offset.y, + .width = positioner->size.width, + .height = positioner->size.height, + }; + + if (positioner_anchor_has_edge(positioner->anchor, + XDG_POSITIONER_ANCHOR_TOP)) { + geometry.y += positioner->anchor_rect.y; + } else if (positioner_anchor_has_edge(positioner->anchor, + XDG_POSITIONER_ANCHOR_BOTTOM)) { + geometry.y += + positioner->anchor_rect.y + positioner->anchor_rect.height; + } else { + geometry.y += + positioner->anchor_rect.y + positioner->anchor_rect.height / 2; + } + + if (positioner_anchor_has_edge(positioner->anchor, + XDG_POSITIONER_ANCHOR_LEFT)) { + geometry.x += positioner->anchor_rect.x; + } else if (positioner_anchor_has_edge(positioner->anchor, + XDG_POSITIONER_ANCHOR_RIGHT)) { + geometry.x += positioner->anchor_rect.x + positioner->anchor_rect.width; + } else { + geometry.x += + positioner->anchor_rect.x + positioner->anchor_rect.width / 2; + } + + if (positioner_gravity_has_edge(positioner->gravity, + XDG_POSITIONER_GRAVITY_TOP)) { + geometry.y -= geometry.height; + } else if (positioner_gravity_has_edge(positioner->gravity, + XDG_POSITIONER_GRAVITY_BOTTOM)) { + geometry.y = geometry.y; + } else { + geometry.y -= geometry.height / 2; + } + + if (positioner_gravity_has_edge(positioner->gravity, + XDG_POSITIONER_GRAVITY_LEFT)) { + geometry.x -= geometry.width; + } else if (positioner_gravity_has_edge(positioner->gravity, + XDG_POSITIONER_GRAVITY_RIGHT)) { + geometry.x = geometry.x; + } else { + geometry.x -= geometry.width / 2; + } + + if (positioner->constraint_adjustment == + XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_NONE) { + return geometry; + } + + return geometry; +} + +static enum xdg_positioner_anchor positioner_anchor_invert_x( + enum xdg_positioner_anchor anchor) { + switch (anchor) { + case XDG_POSITIONER_ANCHOR_LEFT: + return XDG_POSITIONER_ANCHOR_RIGHT; + case XDG_POSITIONER_ANCHOR_RIGHT: + return XDG_POSITIONER_ANCHOR_LEFT; + case XDG_POSITIONER_ANCHOR_TOP_LEFT: + return XDG_POSITIONER_ANCHOR_TOP_RIGHT; + case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT: + return XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT; + case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT: + return XDG_POSITIONER_ANCHOR_BOTTOM_LEFT; + default: + return anchor; + } +} + +static enum xdg_positioner_gravity positioner_gravity_invert_x( + enum xdg_positioner_gravity gravity) { + // gravity and edge enums are the same + return (enum xdg_positioner_gravity)positioner_anchor_invert_x( + (enum xdg_positioner_anchor)gravity); +} + +static enum xdg_positioner_anchor positioner_anchor_invert_y( + enum xdg_positioner_anchor anchor) { + switch (anchor) { + case XDG_POSITIONER_ANCHOR_TOP: + return XDG_POSITIONER_ANCHOR_BOTTOM; + case XDG_POSITIONER_ANCHOR_BOTTOM: + return XDG_POSITIONER_ANCHOR_TOP; + case XDG_POSITIONER_ANCHOR_TOP_LEFT: + return XDG_POSITIONER_ANCHOR_BOTTOM_LEFT; + case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT: + return XDG_POSITIONER_ANCHOR_TOP_LEFT; + case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT: + return XDG_POSITIONER_ANCHOR_TOP_RIGHT; + default: + return anchor; + } +} + +static enum xdg_positioner_gravity positioner_gravity_invert_y( + enum xdg_positioner_gravity gravity) { + // gravity and edge enums are the same + return (enum xdg_positioner_gravity)positioner_anchor_invert_y( + (enum xdg_positioner_anchor)gravity); +} + + +void wlr_positioner_invert_x(struct wlr_xdg_positioner *positioner) { + positioner->anchor = positioner_anchor_invert_x(positioner->anchor); + positioner->gravity = positioner_gravity_invert_x(positioner->gravity); +} + +void wlr_positioner_invert_y(struct wlr_xdg_positioner *positioner) { + positioner->anchor = positioner_anchor_invert_y(positioner->anchor); + positioner->gravity = positioner_gravity_invert_y(positioner->gravity); +} diff --git a/types/xdg_shell/wlr_xdg_shell.c b/types/xdg_shell/wlr_xdg_shell.c new file mode 100644 index 00000000..9d171746 --- /dev/null +++ b/types/xdg_shell/wlr_xdg_shell.c @@ -0,0 +1,172 @@ +#include +#include +#include "types/wlr_xdg_shell.h" +#include "util/signal.h" + +#define WM_BASE_VERSION 1 + +static const struct xdg_wm_base_interface xdg_shell_impl; + +static struct wlr_xdg_client *xdg_client_from_resource( + struct wl_resource *resource) { + assert(wl_resource_instance_of(resource, &xdg_wm_base_interface, + &xdg_shell_impl)); + return wl_resource_get_user_data(resource); +} + +static void xdg_shell_handle_create_positioner(struct wl_client *wl_client, + struct wl_resource *resource, uint32_t id) { + struct wlr_xdg_client *client = + xdg_client_from_resource(resource); + create_xdg_positioner(client, id); +} + +static void xdg_shell_handle_get_xdg_surface(struct wl_client *wl_client, + struct wl_resource *client_resource, uint32_t id, + struct wl_resource *surface_resource) { + struct wlr_xdg_client *client = + xdg_client_from_resource(client_resource); + struct wlr_surface *surface = wlr_surface_from_resource(surface_resource); + create_xdg_surface(client, surface, id); +} + +static void xdg_shell_handle_pong(struct wl_client *wl_client, + struct wl_resource *resource, uint32_t serial) { + struct wlr_xdg_client *client = xdg_client_from_resource(resource); + + if (client->ping_serial != serial) { + return; + } + + wl_event_source_timer_update(client->ping_timer, 0); + client->ping_serial = 0; +} + +static void xdg_shell_handle_destroy(struct wl_client *wl_client, + struct wl_resource *resource) { + struct wlr_xdg_client *client = xdg_client_from_resource(resource); + + if (!wl_list_empty(&client->surfaces)) { + wl_resource_post_error(client->resource, + XDG_WM_BASE_ERROR_DEFUNCT_SURFACES, + "xdg_wm_base was destroyed before children"); + return; + } + + wl_resource_destroy(resource); +} + +static const struct xdg_wm_base_interface xdg_shell_impl = { + .destroy = xdg_shell_handle_destroy, + .create_positioner = xdg_shell_handle_create_positioner, + .get_xdg_surface = xdg_shell_handle_get_xdg_surface, + .pong = xdg_shell_handle_pong, +}; + +static void xdg_client_handle_resource_destroy(struct wl_resource *resource) { + struct wlr_xdg_client *client = xdg_client_from_resource(resource); + + struct wlr_xdg_surface *surface, *tmp = NULL; + wl_list_for_each_safe(surface, tmp, &client->surfaces, link) { + destroy_xdg_surface(surface); + } + + if (client->ping_timer != NULL) { + wl_event_source_remove(client->ping_timer); + } + + wl_list_remove(&client->link); + free(client); +} + +static int xdg_client_ping_timeout(void *user_data) { + struct wlr_xdg_client *client = user_data; + + struct wlr_xdg_surface *surface; + wl_list_for_each(surface, &client->surfaces, link) { + wlr_signal_emit_safe(&surface->events.ping_timeout, surface); + } + + client->ping_serial = 0; + return 1; +} + +static void xdg_shell_bind(struct wl_client *wl_client, void *data, + uint32_t version, uint32_t id) { + struct wlr_xdg_shell *xdg_shell = data; + assert(wl_client && xdg_shell); + + struct wlr_xdg_client *client = + calloc(1, sizeof(struct wlr_xdg_client)); + if (client == NULL) { + wl_client_post_no_memory(wl_client); + return; + } + + wl_list_init(&client->surfaces); + + client->resource = + wl_resource_create(wl_client, &xdg_wm_base_interface, version, id); + if (client->resource == NULL) { + free(client); + wl_client_post_no_memory(wl_client); + return; + } + client->client = wl_client; + client->shell = xdg_shell; + + wl_resource_set_implementation(client->resource, &xdg_shell_impl, client, + xdg_client_handle_resource_destroy); + wl_list_insert(&xdg_shell->clients, &client->link); + + struct wl_display *display = wl_client_get_display(client->client); + struct wl_event_loop *loop = wl_display_get_event_loop(display); + client->ping_timer = wl_event_loop_add_timer(loop, + xdg_client_ping_timeout, client); + if (client->ping_timer == NULL) { + wl_client_post_no_memory(client->client); + } +} + +static void handle_display_destroy(struct wl_listener *listener, void *data) { + struct wlr_xdg_shell *xdg_shell = + wl_container_of(listener, xdg_shell, display_destroy); + wlr_xdg_shell_destroy(xdg_shell); +} + +struct wlr_xdg_shell *wlr_xdg_shell_create(struct wl_display *display) { + struct wlr_xdg_shell *xdg_shell = + calloc(1, sizeof(struct wlr_xdg_shell)); + if (!xdg_shell) { + return NULL; + } + + xdg_shell->ping_timeout = 10000; + + wl_list_init(&xdg_shell->clients); + wl_list_init(&xdg_shell->popup_grabs); + + struct wl_global *wl_global = wl_global_create(display, + &xdg_wm_base_interface, WM_BASE_VERSION, xdg_shell, xdg_shell_bind); + if (!wl_global) { + free(xdg_shell); + return NULL; + } + xdg_shell->wl_global = wl_global; + + wl_signal_init(&xdg_shell->events.new_surface); + + xdg_shell->display_destroy.notify = handle_display_destroy; + wl_display_add_destroy_listener(display, &xdg_shell->display_destroy); + + return xdg_shell; +} + +void wlr_xdg_shell_destroy(struct wlr_xdg_shell *xdg_shell) { + if (!xdg_shell) { + return; + } + wl_list_remove(&xdg_shell->display_destroy.link); + wl_global_destroy(xdg_shell->wl_global); + free(xdg_shell); +} diff --git a/types/xdg_shell/wlr_xdg_surface.c b/types/xdg_shell/wlr_xdg_surface.c new file mode 100644 index 00000000..6f0e7264 --- /dev/null +++ b/types/xdg_shell/wlr_xdg_surface.c @@ -0,0 +1,548 @@ +#include +#include +#include +#include +#include "types/wlr_xdg_shell.h" +#include "util/signal.h" + +bool wlr_surface_is_xdg_surface(struct wlr_surface *surface) { + return surface->role != NULL && + (strcmp(surface->role, XDG_TOPLEVEL_ROLE) == 0 || + strcmp(surface->role, XDG_POPUP_ROLE) == 0); +} + +struct wlr_xdg_surface *wlr_xdg_surface_from_wlr_surface( + struct wlr_surface *surface) { + assert(wlr_surface_is_xdg_surface(surface)); + return (struct wlr_xdg_surface *)surface->role_data; +} + +static void xdg_surface_configure_destroy( + struct wlr_xdg_surface_configure *configure) { + if (configure == NULL) { + return; + } + wl_list_remove(&configure->link); + free(configure->toplevel_state); + free(configure); +} + +void unmap_xdg_surface(struct wlr_xdg_surface *surface) { + assert(surface->role != WLR_XDG_SURFACE_ROLE_NONE); + + // TODO: probably need to ungrab before this event + if (surface->mapped) { + wlr_signal_emit_safe(&surface->events.unmap, surface); + } + + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + free(surface->toplevel->title); + surface->toplevel->title = NULL; + free(surface->toplevel->app_id); + surface->toplevel->app_id = NULL; + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + if (surface->popup->seat != NULL) { + struct wlr_xdg_popup_grab *grab = + get_xdg_shell_popup_grab_from_seat(surface->client->shell, + surface->popup->seat); + + wl_list_remove(&surface->popup->grab_link); + + if (wl_list_empty(&grab->popups)) { + if (grab->seat->pointer_state.grab == &grab->pointer_grab) { + wlr_seat_pointer_end_grab(grab->seat); + } + if (grab->seat->keyboard_state.grab == &grab->keyboard_grab) { + wlr_seat_keyboard_end_grab(grab->seat); + } + } + + surface->popup->seat = NULL; + } + break; + case WLR_XDG_SURFACE_ROLE_NONE: + assert(false && "not reached"); + } + + struct wlr_xdg_surface_configure *configure, *tmp; + wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) { + xdg_surface_configure_destroy(configure); + } + + surface->configured = surface->mapped = false; + surface->configure_serial = 0; + if (surface->configure_idle) { + wl_event_source_remove(surface->configure_idle); + surface->configure_idle = NULL; + } + surface->configure_next_serial = 0; + + surface->has_next_geometry = false; + memset(&surface->geometry, 0, sizeof(struct wlr_box)); + memset(&surface->next_geometry, 0, sizeof(struct wlr_box)); +} + +void destroy_xdg_toplevel(struct wlr_xdg_surface *surface) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + unmap_xdg_surface(surface); + + wl_resource_set_user_data(surface->toplevel->resource, NULL); + free(surface->toplevel); + surface->toplevel = NULL; + + surface->role = WLR_XDG_SURFACE_ROLE_NONE; +} + + + +static void xdg_surface_handle_ack_configure(struct wl_client *client, + struct wl_resource *resource, uint32_t serial) { + struct wlr_xdg_surface *surface = wlr_xdg_surface_from_resource(resource); + + if (surface->role == WLR_XDG_SURFACE_ROLE_NONE) { + wl_resource_post_error(surface->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "xdg_surface must have a role"); + return; + } + + bool found = false; + struct wlr_xdg_surface_configure *configure, *tmp; + wl_list_for_each_safe(configure, tmp, &surface->configure_list, link) { + if (configure->serial < serial) { + xdg_surface_configure_destroy(configure); + } else if (configure->serial == serial) { + found = true; + break; + } else { + break; + } + } + if (!found) { + wl_resource_post_error(surface->client->resource, + XDG_WM_BASE_ERROR_INVALID_SURFACE_STATE, + "wrong configure serial: %u", serial); + return; + } + + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_NONE: + assert(0 && "not reached"); + break; + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + handle_xdg_toplevel_ack_configure(surface, configure); + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + break; + } + + surface->configured = true; + surface->configure_serial = serial; + + xdg_surface_configure_destroy(configure); +} + +static void surface_send_configure(void *user_data) { + struct wlr_xdg_surface *surface = user_data; + + surface->configure_idle = NULL; + + struct wlr_xdg_surface_configure *configure = + calloc(1, sizeof(struct wlr_xdg_surface_configure)); + if (configure == NULL) { + wl_client_post_no_memory(surface->client->client); + return; + } + + wl_list_insert(surface->configure_list.prev, &configure->link); + configure->serial = surface->configure_next_serial; + + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_NONE: + assert(0 && "not reached"); + break; + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + send_xdg_toplevel_configure(surface, configure); + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + xdg_popup_send_configure(surface->popup->resource, + surface->popup->geometry.x, + surface->popup->geometry.y, + surface->popup->geometry.width, + surface->popup->geometry.height); + break; + } + + xdg_surface_send_configure(surface->resource, configure->serial); +} + +uint32_t schedule_xdg_surface_configure( + struct wlr_xdg_surface *surface) { + struct wl_display *display = wl_client_get_display(surface->client->client); + struct wl_event_loop *loop = wl_display_get_event_loop(display); + bool pending_same = false; + + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_NONE: + assert(0 && "not reached"); + break; + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + pending_same = + compare_xdg_surface_toplevel_state(surface->toplevel); + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + break; + } + + if (surface->configure_idle != NULL) { + if (!pending_same) { + // configure request already scheduled + return surface->configure_next_serial; + } + + // configure request not necessary anymore + wl_event_source_remove(surface->configure_idle); + surface->configure_idle = NULL; + return 0; + } else { + if (pending_same) { + // configure request not necessary + return 0; + } + + surface->configure_next_serial = wl_display_next_serial(display); + surface->configure_idle = wl_event_loop_add_idle(loop, + surface_send_configure, surface); + return surface->configure_next_serial; + } +} + +static void xdg_surface_handle_get_popup(struct wl_client *client, + struct wl_resource *resource, uint32_t id, + struct wl_resource *parent_resource, + struct wl_resource *positioner_resource) { + struct wlr_xdg_surface *xdg_surface = + wlr_xdg_surface_from_resource(resource); + struct wlr_xdg_surface *parent = + wlr_xdg_surface_from_resource(parent_resource); + struct wlr_xdg_positioner_resource *positioner = + get_xdg_positioner_from_resource(positioner_resource); + create_xdg_popup(xdg_surface, parent, positioner, id); +} + +static void xdg_surface_handle_get_toplevel(struct wl_client *client, + struct wl_resource *resource, uint32_t id) { + struct wlr_xdg_surface *xdg_surface = + wlr_xdg_surface_from_resource(resource); + create_xdg_toplevel(xdg_surface, id); +} + +static void xdg_surface_handle_set_window_geometry(struct wl_client *client, + struct wl_resource *resource, int32_t x, int32_t y, int32_t width, + int32_t height) { + struct wlr_xdg_surface *surface = wlr_xdg_surface_from_resource(resource); + + if (surface->role == WLR_XDG_SURFACE_ROLE_NONE) { + wl_resource_post_error(surface->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "xdg_surface must have a role"); + return; + } + + surface->has_next_geometry = true; + surface->next_geometry.height = height; + surface->next_geometry.width = width; + surface->next_geometry.x = x; + surface->next_geometry.y = y; +} + +static void xdg_surface_handle_destroy(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_xdg_surface *surface = wlr_xdg_surface_from_resource(resource); + + if (surface->role != WLR_XDG_SURFACE_ROLE_NONE) { + wlr_log(L_ERROR, "Tried to destroy an xdg_surface before its role " + "object"); + return; + } + + wl_resource_destroy(resource); +} + +static const struct xdg_surface_interface xdg_surface_implementation = { + .destroy = xdg_surface_handle_destroy, + .get_toplevel = xdg_surface_handle_get_toplevel, + .get_popup = xdg_surface_handle_get_popup, + .ack_configure = xdg_surface_handle_ack_configure, + .set_window_geometry = xdg_surface_handle_set_window_geometry, +}; + +static void xdg_surface_handle_resource_destroy(struct wl_resource *resource) { + struct wlr_xdg_surface *surface = + wlr_xdg_surface_from_resource(resource); + if (surface != NULL) { + destroy_xdg_surface(surface); + } +} + +static void handle_surface_committed(struct wlr_surface *wlr_surface, + void *role_data) { + struct wlr_xdg_surface *surface = role_data; + + if (wlr_surface_has_buffer(surface->surface) && !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; + surface->geometry.x = surface->next_geometry.x; + surface->geometry.y = surface->next_geometry.y; + surface->geometry.width = surface->next_geometry.width; + surface->geometry.height = surface->next_geometry.height; + } + + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_NONE: + wl_resource_post_error(surface->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "xdg_surface must have a role"); + break; + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + handle_xdg_surface_toplevel_committed(surface); + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + handle_xdg_surface_popup_committed(surface); + break; + } + + if (!surface->added) { + surface->added = true; + wlr_signal_emit_safe(&surface->client->shell->events.new_surface, + surface); + } + if (surface->configured && wlr_surface_has_buffer(surface->surface) && + !surface->mapped) { + surface->mapped = true; + wlr_signal_emit_safe(&surface->events.map, surface); + } + if (surface->configured && !wlr_surface_has_buffer(surface->surface) && + surface->mapped) { + unmap_xdg_surface(surface); + } +} + +static void xdg_surface_handle_surface_destroy(struct wl_listener *listener, + void *data) { + struct wlr_xdg_surface *xdg_surface = + wl_container_of(listener, xdg_surface, surface_destroy_listener); + destroy_xdg_surface(xdg_surface); +} + +struct wlr_xdg_surface *create_xdg_surface( + struct wlr_xdg_client *client, struct wlr_surface *surface, + uint32_t id) { + struct wlr_xdg_surface *xdg_surface = + calloc(1, sizeof(struct wlr_xdg_surface)); + if (xdg_surface == NULL) { + wl_client_post_no_memory(client->client); + return NULL; + } + + xdg_surface->client = client; + xdg_surface->role = WLR_XDG_SURFACE_ROLE_NONE; + xdg_surface->surface = surface; + xdg_surface->resource = wl_resource_create(client->client, + &xdg_surface_interface, wl_resource_get_version(client->resource), + id); + if (xdg_surface->resource == NULL) { + free(xdg_surface); + wl_client_post_no_memory(client->client); + return NULL; + } + + if (wlr_surface_has_buffer(xdg_surface->surface)) { + wl_resource_destroy(xdg_surface->resource); + free(xdg_surface); + wl_resource_post_error(client->resource, + XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER, + "xdg_surface must not have a buffer at creation"); + return NULL; + } + + wl_list_init(&xdg_surface->configure_list); + wl_list_init(&xdg_surface->popups); + + wl_signal_init(&xdg_surface->events.destroy); + wl_signal_init(&xdg_surface->events.ping_timeout); + wl_signal_init(&xdg_surface->events.new_popup); + wl_signal_init(&xdg_surface->events.map); + wl_signal_init(&xdg_surface->events.unmap); + + wl_signal_add(&xdg_surface->surface->events.destroy, + &xdg_surface->surface_destroy_listener); + xdg_surface->surface_destroy_listener.notify = + xdg_surface_handle_surface_destroy; + + wlr_surface_set_role_committed(xdg_surface->surface, + handle_surface_committed, xdg_surface); + + wlr_log(L_DEBUG, "new xdg_surface %p (res %p)", xdg_surface, + xdg_surface->resource); + wl_resource_set_implementation(xdg_surface->resource, + &xdg_surface_implementation, xdg_surface, + xdg_surface_handle_resource_destroy); + wl_list_insert(&client->surfaces, &xdg_surface->link); + + return xdg_surface; +} + +void destroy_xdg_surface(struct wlr_xdg_surface *surface) { + if (surface->role != WLR_XDG_SURFACE_ROLE_NONE) { + unmap_xdg_surface(surface); + } + + wlr_signal_emit_safe(&surface->events.destroy, surface); + + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + destroy_xdg_toplevel(surface); + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + destroy_xdg_popup(surface); + break; + case WLR_XDG_SURFACE_ROLE_NONE: + // This space is intentionally left blank + break; + } + + wl_resource_set_user_data(surface->resource, NULL); + wl_list_remove(&surface->link); + wl_list_remove(&surface->surface_destroy_listener.link); + wlr_surface_set_role_committed(surface->surface, NULL, NULL); + free(surface); +} + +struct wlr_xdg_surface *wlr_xdg_surface_from_resource( + struct wl_resource *resource) { + // TODO: Double check that all of the callers can deal with NULL + if (!resource) { + return NULL; + } + assert(wl_resource_instance_of(resource, &xdg_surface_interface, + &xdg_surface_implementation)); + return wl_resource_get_user_data(resource); +} + +void wlr_xdg_surface_ping(struct wlr_xdg_surface *surface) { + if (surface->client->ping_serial != 0) { + // already pinged + return; + } + + surface->client->ping_serial = + wl_display_next_serial(wl_client_get_display(surface->client->client)); + wl_event_source_timer_update(surface->client->ping_timer, + surface->client->shell->ping_timeout); + xdg_wm_base_send_ping(surface->client->resource, + surface->client->ping_serial); +} + +void wlr_xdg_surface_send_close(struct wlr_xdg_surface *surface) { + switch (surface->role) { + case WLR_XDG_SURFACE_ROLE_NONE: + assert(0 && "not reached"); + break; + case WLR_XDG_SURFACE_ROLE_TOPLEVEL: + if (surface->toplevel) { + xdg_toplevel_send_close(surface->toplevel->resource); + } + break; + case WLR_XDG_SURFACE_ROLE_POPUP: + if (surface->popup) { + xdg_popup_send_popup_done(surface->popup->resource); + } + break; + } +} + +static void xdg_popup_get_position(struct wlr_xdg_popup *popup, + double *popup_sx, double *popup_sy) { + struct wlr_xdg_surface *parent = + wlr_xdg_surface_from_wlr_surface(popup->parent); + *popup_sx = parent->geometry.x + popup->geometry.x - + popup->base->geometry.x; + *popup_sy = parent->geometry.y + popup->geometry.y - + popup->base->geometry.y; +} + +struct wlr_surface *wlr_xdg_surface_surface_at( + struct wlr_xdg_surface *surface, double sx, double sy, + double *sub_x, double *sub_y) { + struct wlr_xdg_popup *popup_state; + wl_list_for_each(popup_state, &surface->popups, link) { + struct wlr_xdg_surface *popup = popup_state->base; + + double popup_sx, popup_sy; + xdg_popup_get_position(popup_state, &popup_sx, &popup_sy); + + struct wlr_surface *sub = wlr_xdg_surface_surface_at(popup, + sx - popup_sx, + sy - popup_sy, + sub_x, sub_y); + if (sub != NULL) { + return sub; + } + } + + return wlr_surface_surface_at(surface->surface, sx, sy, sub_x, sub_y); +} + +struct xdg_surface_iterator_data { + wlr_surface_iterator_func_t user_iterator; + void *user_data; + int x, y; +}; + +static void xdg_surface_iterator(struct wlr_surface *surface, + int sx, int sy, void *data) { + struct xdg_surface_iterator_data *iter_data = data; + iter_data->user_iterator(surface, iter_data->x + sx, iter_data->y + sy, + iter_data->user_data); +} + +static void xdg_surface_for_each_surface(struct wlr_xdg_surface *surface, + int x, int y, wlr_surface_iterator_func_t iterator, void *user_data) { + struct xdg_surface_iterator_data data = { + .user_iterator = iterator, + .user_data = user_data, + .x = x, .y = y, + }; + wlr_surface_for_each_surface(surface->surface, xdg_surface_iterator, + &data); + + struct wlr_xdg_popup *popup_state; + wl_list_for_each(popup_state, &surface->popups, link) { + struct wlr_xdg_surface *popup = popup_state->base; + if (!popup->configured) { + continue; + } + + double popup_sx, popup_sy; + xdg_popup_get_position(popup_state, &popup_sx, &popup_sy); + + xdg_surface_for_each_surface(popup, + x + popup_sx, + y + popup_sy, + iterator, user_data); + } +} + +void wlr_xdg_surface_for_each_surface(struct wlr_xdg_surface *surface, + wlr_surface_iterator_func_t iterator, void *user_data) { + xdg_surface_for_each_surface(surface, 0, 0, iterator, user_data); +} diff --git a/types/xdg_shell/wlr_xdg_toplevel.c b/types/xdg_shell/wlr_xdg_toplevel.c new file mode 100644 index 00000000..387897d9 --- /dev/null +++ b/types/xdg_shell/wlr_xdg_toplevel.c @@ -0,0 +1,481 @@ +#define _POSIX_C_SOURCE 200809L +#include +#include +#include +#include +#include "types/wlr_xdg_shell.h" +#include "util/signal.h" + +void handle_xdg_toplevel_ack_configure( + struct wlr_xdg_surface *surface, + struct wlr_xdg_surface_configure *configure) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + assert(configure->toplevel_state != NULL); + + surface->toplevel->current.maximized = + configure->toplevel_state->maximized; + surface->toplevel->current.fullscreen = + configure->toplevel_state->fullscreen; + surface->toplevel->current.resizing = + configure->toplevel_state->resizing; + surface->toplevel->current.activated = + configure->toplevel_state->activated; +} + +bool compare_xdg_surface_toplevel_state(struct wlr_xdg_toplevel *state) { + struct { + struct wlr_xdg_toplevel_state state; + uint32_t width, height; + } configured; + + // is pending state different from current state? + if (!state->base->configured) { + return false; + } + + if (wl_list_empty(&state->base->configure_list)) { + // last configure is actually the current state, just use it + configured.state = state->current; + configured.width = state->base->surface->current->width; + configured.height = state->base->surface->current->width; + } else { + struct wlr_xdg_surface_configure *configure = + wl_container_of(state->base->configure_list.prev, configure, link); + configured.state = *configure->toplevel_state; + configured.width = configure->toplevel_state->width; + configured.height = configure->toplevel_state->height; + } + + if (state->server_pending.activated != configured.state.activated) { + return false; + } + if (state->server_pending.fullscreen != configured.state.fullscreen) { + return false; + } + if (state->server_pending.maximized != configured.state.maximized) { + return false; + } + if (state->server_pending.resizing != configured.state.resizing) { + return false; + } + + if (state->server_pending.width == configured.width && + state->server_pending.height == configured.height) { + return true; + } + + if (state->server_pending.width == 0 && state->server_pending.height == 0) { + return true; + } + + return false; +} + +void send_xdg_toplevel_configure(struct wlr_xdg_surface *surface, + struct wlr_xdg_surface_configure *configure) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + + configure->toplevel_state = malloc(sizeof(*configure->toplevel_state)); + if (configure->toplevel_state == NULL) { + wlr_log(L_ERROR, "Allocation failed"); + wl_resource_post_no_memory(surface->toplevel->resource); + return; + } + *configure->toplevel_state = surface->toplevel->server_pending; + + uint32_t *s; + struct wl_array states; + wl_array_init(&states); + if (surface->toplevel->server_pending.maximized) { + s = wl_array_add(&states, sizeof(uint32_t)); + if (!s) { + wlr_log(L_ERROR, "Could not allocate state for maximized xdg_toplevel"); + goto error_out; + } + *s = XDG_TOPLEVEL_STATE_MAXIMIZED; + } + if (surface->toplevel->server_pending.fullscreen) { + s = wl_array_add(&states, sizeof(uint32_t)); + if (!s) { + wlr_log(L_ERROR, "Could not allocate state for fullscreen xdg_toplevel"); + goto error_out; + } + *s = XDG_TOPLEVEL_STATE_FULLSCREEN; + } + if (surface->toplevel->server_pending.resizing) { + s = wl_array_add(&states, sizeof(uint32_t)); + if (!s) { + wlr_log(L_ERROR, "Could not allocate state for resizing xdg_toplevel"); + goto error_out; + } + *s = XDG_TOPLEVEL_STATE_RESIZING; + } + if (surface->toplevel->server_pending.activated) { + s = wl_array_add(&states, sizeof(uint32_t)); + if (!s) { + wlr_log(L_ERROR, "Could not allocate state for activated xdg_toplevel"); + goto error_out; + } + *s = XDG_TOPLEVEL_STATE_ACTIVATED; + } + + uint32_t width = surface->toplevel->server_pending.width; + uint32_t height = surface->toplevel->server_pending.height; + xdg_toplevel_send_configure(surface->toplevel->resource, width, height, + &states); + + wl_array_release(&states); + return; + +error_out: + wl_array_release(&states); + wl_resource_post_no_memory(surface->toplevel->resource); +} + +void handle_xdg_surface_toplevel_committed(struct wlr_xdg_surface *surface) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + + if (!surface->toplevel->added) { + // on the first commit, send a configure request to tell the client it + // is added + schedule_xdg_surface_configure(surface); + surface->toplevel->added = true; + return; + } + + // update state that doesn't need compositor approval + surface->toplevel->current.max_width = + surface->toplevel->client_pending.max_width; + surface->toplevel->current.min_width = + surface->toplevel->client_pending.min_width; + surface->toplevel->current.max_height = + surface->toplevel->client_pending.max_height; + surface->toplevel->current.min_height = + surface->toplevel->client_pending.min_height; +} + +static const struct xdg_toplevel_interface xdg_toplevel_implementation; + +static struct wlr_xdg_surface *xdg_surface_from_xdg_toplevel_resource( + struct wl_resource *resource) { + assert(wl_resource_instance_of(resource, &xdg_toplevel_interface, + &xdg_toplevel_implementation)); + return wl_resource_get_user_data(resource); +} + +static void xdg_toplevel_handle_set_parent(struct wl_client *client, + struct wl_resource *resource, struct wl_resource *parent_resource) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + struct wlr_xdg_surface *parent = NULL; + + if (parent_resource != NULL) { + parent = xdg_surface_from_xdg_toplevel_resource(parent_resource); + } + + surface->toplevel->parent = parent; +} + +static void xdg_toplevel_handle_set_title(struct wl_client *client, + struct wl_resource *resource, const char *title) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + char *tmp; + + tmp = strdup(title); + if (tmp == NULL) { + return; + } + + free(surface->toplevel->title); + surface->toplevel->title = tmp; +} + +static void xdg_toplevel_handle_set_app_id(struct wl_client *client, + struct wl_resource *resource, const char *app_id) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + char *tmp; + + tmp = strdup(app_id); + if (tmp == NULL) { + return; + } + + free(surface->toplevel->app_id); + surface->toplevel->app_id = tmp; +} + +static void xdg_toplevel_handle_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) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + struct wlr_seat_client *seat = + wlr_seat_client_from_resource(seat_resource); + + if (!surface->configured) { + wl_resource_post_error(surface->toplevel->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "surface has not been configured yet"); + return; + } + + if (!wlr_seat_validate_grab_serial(seat->seat, serial)) { + wlr_log(L_DEBUG, "invalid serial for grab"); + return; + } + + struct wlr_xdg_toplevel_show_window_menu_event event = { + .surface = surface, + .seat = seat, + .serial = serial, + .x = x, + .y = y, + }; + + wlr_signal_emit_safe(&surface->toplevel->events.request_show_window_menu, &event); +} + +static void xdg_toplevel_handle_move(struct wl_client *client, + struct wl_resource *resource, struct wl_resource *seat_resource, + uint32_t serial) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + struct wlr_seat_client *seat = + wlr_seat_client_from_resource(seat_resource); + + if (!surface->configured) { + wl_resource_post_error(surface->toplevel->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "surface has not been configured yet"); + return; + } + + if (!wlr_seat_validate_grab_serial(seat->seat, serial)) { + wlr_log(L_DEBUG, "invalid serial for grab"); + return; + } + + struct wlr_xdg_toplevel_move_event event = { + .surface = surface, + .seat = seat, + .serial = serial, + }; + + wlr_signal_emit_safe(&surface->toplevel->events.request_move, &event); +} + +static void xdg_toplevel_handle_resize(struct wl_client *client, + struct wl_resource *resource, struct wl_resource *seat_resource, + uint32_t serial, uint32_t edges) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + struct wlr_seat_client *seat = + wlr_seat_client_from_resource(seat_resource); + + if (!surface->configured) { + wl_resource_post_error(surface->toplevel->resource, + XDG_SURFACE_ERROR_NOT_CONSTRUCTED, + "surface has not been configured yet"); + return; + } + + if (!wlr_seat_validate_grab_serial(seat->seat, serial)) { + wlr_log(L_DEBUG, "invalid serial for grab"); + return; + } + + struct wlr_xdg_toplevel_resize_event event = { + .surface = surface, + .seat = seat, + .serial = serial, + .edges = edges, + }; + + wlr_signal_emit_safe(&surface->toplevel->events.request_resize, &event); +} + +static void xdg_toplevel_handle_set_max_size(struct wl_client *client, + struct wl_resource *resource, int32_t width, int32_t height) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + surface->toplevel->client_pending.max_width = width; + surface->toplevel->client_pending.max_height = height; +} + +static void xdg_toplevel_handle_set_min_size(struct wl_client *client, + struct wl_resource *resource, int32_t width, int32_t height) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + surface->toplevel->client_pending.min_width = width; + surface->toplevel->client_pending.min_height = height; +} + +static void xdg_toplevel_handle_set_maximized(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + surface->toplevel->client_pending.maximized = true; + wlr_signal_emit_safe(&surface->toplevel->events.request_maximize, surface); +} + +static void xdg_toplevel_handle_unset_maximized(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + surface->toplevel->client_pending.maximized = false; + wlr_signal_emit_safe(&surface->toplevel->events.request_maximize, surface); +} + +static void xdg_toplevel_handle_set_fullscreen(struct wl_client *client, + struct wl_resource *resource, struct wl_resource *output_resource) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + + struct wlr_output *output = NULL; + if (output_resource != NULL) { + output = wlr_output_from_resource(output_resource); + } + + surface->toplevel->client_pending.fullscreen = true; + + struct wlr_xdg_toplevel_set_fullscreen_event event = { + .surface = surface, + .fullscreen = true, + .output = output, + }; + + wlr_signal_emit_safe(&surface->toplevel->events.request_fullscreen, &event); +} + +static void xdg_toplevel_handle_unset_fullscreen(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + + surface->toplevel->client_pending.fullscreen = false; + + struct wlr_xdg_toplevel_set_fullscreen_event event = { + .surface = surface, + .fullscreen = false, + .output = NULL, + }; + + wlr_signal_emit_safe(&surface->toplevel->events.request_fullscreen, &event); +} + +static void xdg_toplevel_handle_set_minimized(struct wl_client *client, + struct wl_resource *resource) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + wlr_signal_emit_safe(&surface->toplevel->events.request_minimize, surface); +} + +static void xdg_toplevel_handle_destroy(struct wl_client *client, + struct wl_resource *resource) { + wl_resource_destroy(resource); +} + +static const struct xdg_toplevel_interface xdg_toplevel_implementation = { + .destroy = xdg_toplevel_handle_destroy, + .set_parent = xdg_toplevel_handle_set_parent, + .set_title = xdg_toplevel_handle_set_title, + .set_app_id = xdg_toplevel_handle_set_app_id, + .show_window_menu = xdg_toplevel_handle_show_window_menu, + .move = xdg_toplevel_handle_move, + .resize = xdg_toplevel_handle_resize, + .set_max_size = xdg_toplevel_handle_set_max_size, + .set_min_size = xdg_toplevel_handle_set_min_size, + .set_maximized = xdg_toplevel_handle_set_maximized, + .unset_maximized = xdg_toplevel_handle_unset_maximized, + .set_fullscreen = xdg_toplevel_handle_set_fullscreen, + .unset_fullscreen = xdg_toplevel_handle_unset_fullscreen, + .set_minimized = xdg_toplevel_handle_set_minimized, +}; + +static void xdg_toplevel_handle_resource_destroy(struct wl_resource *resource) { + struct wlr_xdg_surface *surface = + xdg_surface_from_xdg_toplevel_resource(resource); + if (surface != NULL) { + destroy_xdg_toplevel(surface); + } +} + +void create_xdg_toplevel(struct wlr_xdg_surface *xdg_surface, + uint32_t id) { + if (wlr_surface_set_role(xdg_surface->surface, XDG_TOPLEVEL_ROLE, + xdg_surface->resource, XDG_WM_BASE_ERROR_ROLE)) { + return; + } + + xdg_surface->toplevel = calloc(1, sizeof(struct wlr_xdg_toplevel)); + if (xdg_surface->toplevel == NULL) { + wl_resource_post_no_memory(xdg_surface->resource); + return; + } + wl_signal_init(&xdg_surface->toplevel->events.request_maximize); + wl_signal_init(&xdg_surface->toplevel->events.request_fullscreen); + wl_signal_init(&xdg_surface->toplevel->events.request_minimize); + wl_signal_init(&xdg_surface->toplevel->events.request_move); + wl_signal_init(&xdg_surface->toplevel->events.request_resize); + wl_signal_init(&xdg_surface->toplevel->events.request_show_window_menu); + + xdg_surface->role = WLR_XDG_SURFACE_ROLE_TOPLEVEL; + xdg_surface->toplevel->base = xdg_surface; + + struct wl_resource *toplevel_resource = wl_resource_create( + xdg_surface->client->client, &xdg_toplevel_interface, + wl_resource_get_version(xdg_surface->resource), id); + if (toplevel_resource == NULL) { + free(xdg_surface->toplevel); + wl_resource_post_no_memory(xdg_surface->resource); + return; + } + wl_resource_set_implementation(toplevel_resource, + &xdg_toplevel_implementation, xdg_surface, + xdg_toplevel_handle_resource_destroy); + + xdg_surface->toplevel->resource = toplevel_resource; +} + +uint32_t wlr_xdg_toplevel_set_size(struct wlr_xdg_surface *surface, + uint32_t width, uint32_t height) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel->server_pending.width = width; + surface->toplevel->server_pending.height = height; + + return schedule_xdg_surface_configure(surface); +} + +uint32_t wlr_xdg_toplevel_set_activated(struct wlr_xdg_surface *surface, + bool activated) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel->server_pending.activated = activated; + + return schedule_xdg_surface_configure(surface); +} + +uint32_t wlr_xdg_toplevel_set_maximized(struct wlr_xdg_surface *surface, + bool maximized) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel->server_pending.maximized = maximized; + + return schedule_xdg_surface_configure(surface); +} + +uint32_t wlr_xdg_toplevel_set_fullscreen(struct wlr_xdg_surface *surface, + bool fullscreen) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel->server_pending.fullscreen = fullscreen; + + return schedule_xdg_surface_configure(surface); +} + +uint32_t wlr_xdg_toplevel_set_resizing(struct wlr_xdg_surface *surface, + bool resizing) { + assert(surface->role == WLR_XDG_SURFACE_ROLE_TOPLEVEL); + surface->toplevel->server_pending.resizing = resizing; + + return schedule_xdg_surface_configure(surface); +}