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xdg-shell: split into multiple files

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emersion 2018-05-14 22:28:45 +01:00
parent c7480d5084
commit 3036507463
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GPG key ID: 0FDE7BE0E88F5E48
9 changed files with 2052 additions and 1978 deletions
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45
include/types/wlr_xdg_shell.h Normal file
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@ -0,0 +1,45 @@
#ifndef TYPES_WLR_XDG_SHELL_H
#define TYPES_WLR_XDG_SHELL_H
#include <wayland-server.h>
#include <wlr/types/wlr_xdg_shell.h>
#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

6
types/meson.build
View file

@ -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],

4
types/wlr_layer_shell.c
View file

@ -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,

1975
types/wlr_xdg_shell.c
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File diff suppressed because it is too large Load diff

490
types/xdg_shell/wlr_xdg_popup.c Normal file
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@ -0,0 +1,490 @@
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#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;
}
}

309
types/xdg_shell/wlr_xdg_positioner.c Normal file
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@ -0,0 +1,309 @@
#include <assert.h>
#include <stdlib.h>
#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);
}

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#include <assert.h>
#include <stdlib.h>
#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);
}

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types/xdg_shell/wlr_xdg_surface.c Normal file
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#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <wlr/util/log.h>
#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);
}

481
types/xdg_shell/wlr_xdg_toplevel.c Normal file
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@ -0,0 +1,481 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <wlr/util/log.h>
#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);
}