602 lines
18 KiB
C
602 lines
18 KiB
C
#ifndef _POSIX_C_SOURCE
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#define _POSIX_C_SOURCE 200809L
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#endif
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#include <assert.h>
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#include <wayland-server.h>
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#include <wlr/util/log.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/types/wlr_wl_shell.h>
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#include <stdlib.h>
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#include <wayland-server-protocol.h>
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static const char *wlr_wl_shell_surface_role = "wl_shell_surface";
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static void shell_pointer_grab_end(struct wlr_seat_pointer_grab *grab) {
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struct wlr_wl_shell_popup_grab *popup_grab = grab->data;
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struct wlr_wl_shell_surface *popup, *tmp = NULL;
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wl_list_for_each_safe(popup, tmp, &popup_grab->popups, grab_link) {
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wl_shell_surface_send_popup_done(popup->resource);
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}
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wlr_seat_pointer_end_grab(grab->seat);
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}
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static void shell_pointer_grab_enter(struct wlr_seat_pointer_grab *grab,
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struct wlr_surface *surface, double sx, double sy) {
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struct wlr_wl_shell_popup_grab *popup_grab = grab->data;
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if (wl_resource_get_client(surface->resource) == popup_grab->client) {
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wlr_seat_pointer_enter(grab->seat, surface, sx, sy);
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} else {
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wlr_seat_pointer_clear_focus(grab->seat);
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}
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}
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static void shell_pointer_grab_motion(struct wlr_seat_pointer_grab *grab,
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uint32_t time, double sx, double sy) {
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wlr_seat_pointer_send_motion(grab->seat, time, sx, sy);
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}
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static uint32_t shell_pointer_grab_button(struct wlr_seat_pointer_grab *grab,
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uint32_t time, uint32_t button, uint32_t state) {
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uint32_t serial =
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wlr_seat_pointer_send_button(grab->seat, time, button, state);
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if (serial) {
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return serial;
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} else {
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shell_pointer_grab_end(grab);
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return 0;
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}
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}
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static void shell_pointer_grab_cancel(struct wlr_seat_pointer_grab *grab) {
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shell_pointer_grab_end(grab);
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}
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static void shell_pointer_grab_axis(struct wlr_seat_pointer_grab *grab,
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uint32_t time, enum wlr_axis_orientation orientation, double value) {
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wlr_seat_pointer_send_axis(grab->seat, time, orientation, value);
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}
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static const struct wlr_pointer_grab_interface shell_pointer_grab_impl = {
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.enter = shell_pointer_grab_enter,
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.motion = shell_pointer_grab_motion,
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.button = shell_pointer_grab_button,
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.cancel = shell_pointer_grab_cancel,
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.axis = shell_pointer_grab_axis,
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};
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static void shell_surface_pong(struct wl_client *client,
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struct wl_resource *resource, uint32_t serial) {
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wlr_log(L_DEBUG, "got shell surface pong");
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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if (surface->ping_serial != serial) {
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return;
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}
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wl_event_source_timer_update(surface->ping_timer, 0);
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surface->ping_serial = 0;
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}
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static void shell_surface_move(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *seat_resource,
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uint32_t serial) {
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wlr_log(L_DEBUG, "got shell surface move");
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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struct wlr_seat_handle *seat_handle =
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wl_resource_get_user_data(seat_resource);
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struct wlr_wl_shell_surface_move_event *event =
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calloc(1, sizeof(struct wlr_wl_shell_surface_move_event));
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if (event == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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event->client = client;
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event->surface = surface;
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event->seat_handle = seat_handle;
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event->serial = serial;
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wl_signal_emit(&surface->events.request_move, event);
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free(event);
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}
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static struct wlr_wl_shell_popup_grab *shell_popup_grab_from_seat(
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struct wlr_wl_shell *shell, struct wlr_seat *seat) {
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struct wlr_wl_shell_popup_grab *shell_grab;
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wl_list_for_each(shell_grab, &shell->popup_grabs, link) {
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if (shell_grab->seat == seat) {
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return shell_grab;
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}
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}
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shell_grab = calloc(1, sizeof(struct wlr_wl_shell_popup_grab));
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if (!shell_grab) {
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return NULL;
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}
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shell_grab->pointer_grab.data = shell_grab;
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shell_grab->pointer_grab.interface = &shell_pointer_grab_impl;
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wl_list_init(&shell_grab->popups);
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wl_list_insert(&shell->popup_grabs, &shell_grab->link);
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shell_grab->seat = seat;
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return shell_grab;
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}
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static void shell_destroy_popup_state(struct wlr_wl_shell_surface *surface) {
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if (surface->popup_state) {
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wl_list_remove(&surface->grab_link);
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struct wlr_wl_shell_popup_grab *grab =
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shell_popup_grab_from_seat(surface->shell,
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surface->popup_state->seat);
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if (wl_list_empty(&grab->popups)) {
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if (grab->seat->pointer_state.grab == &grab->pointer_grab) {
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wlr_seat_pointer_end_grab(grab->seat);
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}
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}
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free(surface->popup_state);
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surface->popup_state = NULL;
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}
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}
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static void shell_surface_resize(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *seat_resource,
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uint32_t serial, enum wl_shell_surface_resize edges) {
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wlr_log(L_DEBUG, "got shell surface resize");
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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struct wlr_seat_handle *seat_handle =
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wl_resource_get_user_data(seat_resource);
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struct wlr_wl_shell_surface_resize_event *event =
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calloc(1, sizeof(struct wlr_wl_shell_surface_resize_event));
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if (event == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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event->client = client;
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event->surface = surface;
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event->seat_handle = seat_handle;
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event->serial = serial;
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event->edges = edges;
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wl_signal_emit(&surface->events.request_resize, event);
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free(event);
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}
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static void shell_surface_set_state(struct wlr_wl_shell_surface *surface,
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enum wlr_wl_shell_surface_state state,
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struct wlr_wl_shell_surface_transient_state *transient_state,
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struct wlr_wl_shell_surface_popup_state *popup_state) {
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bool is_new = (surface->state == WLR_WL_SHELL_SURFACE_STATE_NONE);
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surface->state = state;
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free(surface->transient_state);
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surface->transient_state = transient_state;
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shell_destroy_popup_state(surface);
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surface->popup_state = popup_state;
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if (is_new) {
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wl_signal_emit(&surface->shell->events.new_surface, surface);
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}
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wl_signal_emit(&surface->events.set_state, surface);
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}
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static void shell_surface_set_toplevel(struct wl_client *client,
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struct wl_resource *resource) {
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wlr_log(L_DEBUG, "got shell surface toplevel");
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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shell_surface_set_state(surface, WLR_WL_SHELL_SURFACE_STATE_TOPLEVEL, NULL,
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NULL);
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}
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static void popup_set_parent(struct wlr_wl_shell_surface *surface,
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struct wlr_wl_shell_surface *parent) {
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assert(surface && surface->state == WLR_WL_SHELL_SURFACE_STATE_POPUP);
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if (surface->parent == parent) {
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return;
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}
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surface->parent = parent;
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if (parent) {
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wl_list_remove(&surface->child_link);
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wl_list_insert(&parent->children, &surface->child_link);
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}
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}
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static struct wlr_wl_shell_surface *shell_get_shell_surface(struct wlr_wl_shell *shell,
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struct wlr_surface *surface) {
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if (surface) {
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struct wlr_wl_shell_surface *wl_surface;
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wl_list_for_each(wl_surface, &shell->surfaces, link) {
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if (wl_surface->surface == surface) {
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return wl_surface;
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}
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}
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}
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return NULL;
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}
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static void shell_surface_set_transient(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *parent_resource,
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int32_t x, int32_t y, enum wl_shell_surface_transient flags) {
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wlr_log(L_DEBUG, "got shell surface transient");
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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struct wlr_surface *parent =
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wl_resource_get_user_data(parent_resource);
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// TODO: check if parent_resource == NULL?
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struct wlr_wl_shell_surface *wl_parent = shell_get_shell_surface(surface->shell, parent);
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if (!wl_parent) {
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return;
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}
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struct wlr_wl_shell_surface_transient_state *transient_state =
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calloc(1, sizeof(struct wlr_wl_shell_surface_transient_state));
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if (transient_state == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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surface->parent = wl_parent;
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transient_state->x = x;
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transient_state->y = y;
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transient_state->flags = flags;
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shell_surface_set_state(surface, WLR_WL_SHELL_SURFACE_STATE_TRANSIENT,
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transient_state, NULL);
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}
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static void shell_surface_set_fullscreen(struct wl_client *client,
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struct wl_resource *resource,
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enum wl_shell_surface_fullscreen_method method, uint32_t framerate,
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struct wl_resource *output_resource) {
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wlr_log(L_DEBUG, "got shell surface fullscreen");
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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struct wlr_output *output = NULL;
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if (output_resource != NULL) {
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output = wl_resource_get_user_data(output_resource);
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}
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if (surface->state == WLR_WL_SHELL_SURFACE_STATE_TOPLEVEL) {
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return;
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}
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struct wlr_wl_shell_surface_set_fullscreen_event *event =
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calloc(1, sizeof(struct wlr_wl_shell_surface_set_fullscreen_event));
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if (event == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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event->client = client;
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event->surface = surface;
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event->method = method;
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event->framerate = framerate;
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event->output = output;
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wl_signal_emit(&surface->events.request_set_fullscreen, event);
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free(event);
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}
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static void shell_surface_set_popup(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *seat_resource,
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uint32_t serial, struct wl_resource *parent_resource, int32_t x,
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int32_t y, enum wl_shell_surface_transient flags) {
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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struct wlr_seat_handle *seat_handle =
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wl_resource_get_user_data(seat_resource);
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struct wlr_surface *parent =
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wl_resource_get_user_data(parent_resource);
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struct wlr_wl_shell_popup_grab *grab =
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shell_popup_grab_from_seat(surface->shell, seat_handle->wlr_seat);
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if (!grab) {
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wl_client_post_no_memory(client);
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return;
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}
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struct wlr_wl_shell_surface *wl_parent =
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shell_get_shell_surface(surface->shell, parent);
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if (surface->state == WLR_WL_SHELL_SURFACE_STATE_POPUP) {
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surface->transient_state->x = x;
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surface->transient_state->y = y;
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popup_set_parent(surface, wl_parent);
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grab->client = surface->client;
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wlr_seat_pointer_start_grab(seat_handle->wlr_seat, &grab->pointer_grab);
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return;
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}
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struct wlr_wl_shell_surface_transient_state *transient_state =
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calloc(1, sizeof(struct wlr_wl_shell_surface_transient_state));
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if (transient_state == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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transient_state->x = x;
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transient_state->y = y;
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transient_state->flags = flags;
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struct wlr_wl_shell_surface_popup_state *popup_state =
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calloc(1, sizeof(struct wlr_wl_shell_surface_transient_state));
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if (popup_state == NULL) {
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free(transient_state);
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wl_client_post_no_memory(client);
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return;
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}
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popup_state->seat = seat_handle->wlr_seat;
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popup_state->serial = serial;
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shell_surface_set_state(surface, WLR_WL_SHELL_SURFACE_STATE_POPUP,
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transient_state, popup_state);
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popup_set_parent(surface, wl_parent);
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grab->client = surface->client;
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wl_list_insert(&grab->popups, &surface->grab_link);
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wlr_seat_pointer_start_grab(seat_handle->wlr_seat, &grab->pointer_grab);
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}
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static void shell_surface_set_maximized(struct wl_client *client,
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struct wl_resource *resource, struct wl_resource *output_resource) {
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wlr_log(L_DEBUG, "got shell surface maximized");
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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struct wlr_output *output = NULL;
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if (output_resource != NULL) {
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output = wl_resource_get_user_data(output_resource);
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}
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if (surface->state == WLR_WL_SHELL_SURFACE_STATE_TOPLEVEL) {
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return;
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}
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struct wlr_wl_shell_surface_set_maximized_event *event =
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calloc(1, sizeof(struct wlr_wl_shell_surface_set_maximized_event));
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if (event == NULL) {
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wl_client_post_no_memory(client);
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return;
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}
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event->client = client;
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event->surface = surface;
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event->output = output;
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wl_signal_emit(&surface->events.request_set_maximized, event);
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free(event);
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}
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static void shell_surface_set_title(struct wl_client *client,
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struct wl_resource *resource, const char *title) {
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wlr_log(L_DEBUG, "new shell surface title: %s", title);
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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char *tmp = strdup(title);
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if (tmp == NULL) {
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return;
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}
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free(surface->title);
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surface->title = tmp;
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wl_signal_emit(&surface->events.set_title, surface);
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}
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static void shell_surface_set_class(struct wl_client *client,
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struct wl_resource *resource, const char *class) {
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wlr_log(L_DEBUG, "new shell surface class: %s", class);
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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char *tmp = strdup(class);
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if (tmp == NULL) {
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return;
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}
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free(surface->class);
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surface->class = tmp;
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wl_signal_emit(&surface->events.set_class, surface);
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}
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struct wl_shell_surface_interface shell_surface_interface = {
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.pong = shell_surface_pong,
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.move = shell_surface_move,
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.resize = shell_surface_resize,
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.set_toplevel = shell_surface_set_toplevel,
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.set_transient = shell_surface_set_transient,
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.set_fullscreen = shell_surface_set_fullscreen,
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.set_popup = shell_surface_set_popup,
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.set_maximized = shell_surface_set_maximized,
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.set_title = shell_surface_set_title,
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.set_class = shell_surface_set_class,
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};
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static void wl_shell_surface_destroy(struct wlr_wl_shell_surface *surface) {
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wl_signal_emit(&surface->events.destroy, surface);
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shell_destroy_popup_state(surface);
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wl_resource_set_user_data(surface->resource, NULL);
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struct wlr_wl_shell_surface *child;
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wl_list_for_each(child, &surface->children, child_link) {
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popup_set_parent(child, NULL);
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}
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wl_list_remove(&surface->child_link);
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wl_list_remove(&surface->link);
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wl_list_remove(&surface->surface_destroy_listener.link);
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wl_event_source_remove(surface->ping_timer);
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free(surface->transient_state);
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free(surface->title);
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free(surface->class);
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free(surface);
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}
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static void wl_shell_surface_resource_destroy(struct wl_resource *resource) {
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struct wlr_wl_shell_surface *surface = wl_resource_get_user_data(resource);
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if (surface != NULL) {
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wl_shell_surface_destroy(surface);
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}
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}
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static void handle_wlr_surface_destroyed(struct wl_listener *listener,
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void *data) {
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struct wlr_wl_shell_surface *surface =
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wl_container_of(listener, surface, surface_destroy_listener);
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wl_shell_surface_destroy(surface);
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}
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static int wlr_wl_shell_surface_ping_timeout(void *user_data) {
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struct wlr_wl_shell_surface *surface = user_data;
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wl_signal_emit(&surface->events.ping_timeout, surface);
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surface->ping_serial = 0;
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return 1;
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}
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static void wl_shell_get_shell_surface(struct wl_client *client,
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struct wl_resource *resource, uint32_t id,
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struct wl_resource *surface_resource) {
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struct wlr_surface *surface = wl_resource_get_user_data(surface_resource);
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if (wlr_surface_set_role(surface, wlr_wl_shell_surface_role,
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resource, WL_SHELL_ERROR_ROLE)) {
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return;
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}
|
|
|
|
struct wlr_wl_shell *wl_shell = wl_resource_get_user_data(resource);
|
|
struct wlr_wl_shell_surface *wl_surface =
|
|
calloc(1, sizeof(struct wlr_wl_shell_surface));
|
|
if (wl_surface == NULL) {
|
|
wl_client_post_no_memory(client);
|
|
return;
|
|
}
|
|
wl_list_init(&wl_surface->grab_link);
|
|
wl_list_init(&wl_surface->child_link);
|
|
wl_list_init(&wl_surface->children);
|
|
|
|
wl_surface->shell = wl_shell;
|
|
wl_surface->client = client;
|
|
wl_surface->surface = surface;
|
|
|
|
wl_surface->resource = wl_resource_create(client,
|
|
&wl_shell_surface_interface, wl_resource_get_version(resource), id);
|
|
wlr_log(L_DEBUG, "new wl_shell %p (res %p)", wl_surface,
|
|
wl_surface->resource);
|
|
wl_resource_set_implementation(wl_surface->resource,
|
|
&shell_surface_interface, wl_surface,
|
|
wl_shell_surface_resource_destroy);
|
|
|
|
wl_signal_init(&wl_surface->events.destroy);
|
|
wl_signal_init(&wl_surface->events.ping_timeout);
|
|
wl_signal_init(&wl_surface->events.request_move);
|
|
wl_signal_init(&wl_surface->events.request_resize);
|
|
wl_signal_init(&wl_surface->events.request_set_fullscreen);
|
|
wl_signal_init(&wl_surface->events.request_set_maximized);
|
|
wl_signal_init(&wl_surface->events.set_state);
|
|
wl_signal_init(&wl_surface->events.set_title);
|
|
wl_signal_init(&wl_surface->events.set_class);
|
|
|
|
wl_signal_add(&wl_surface->surface->events.destroy,
|
|
&wl_surface->surface_destroy_listener);
|
|
wl_surface->surface_destroy_listener.notify = handle_wlr_surface_destroyed;
|
|
|
|
struct wl_display *display = wl_client_get_display(client);
|
|
struct wl_event_loop *loop = wl_display_get_event_loop(display);
|
|
wl_surface->ping_timer = wl_event_loop_add_timer(loop,
|
|
wlr_wl_shell_surface_ping_timeout, wl_surface);
|
|
if (wl_surface->ping_timer == NULL) {
|
|
wl_client_post_no_memory(client);
|
|
}
|
|
|
|
wl_list_insert(&wl_shell->surfaces, &wl_surface->link);
|
|
}
|
|
|
|
static struct wl_shell_interface wl_shell_impl = {
|
|
.get_shell_surface = wl_shell_get_shell_surface
|
|
};
|
|
|
|
static void wl_shell_destroy(struct wl_resource *resource) {
|
|
wl_list_remove(wl_resource_get_link(resource));
|
|
}
|
|
|
|
static void wl_shell_bind(struct wl_client *wl_client, void *_wl_shell,
|
|
uint32_t version, uint32_t id) {
|
|
struct wlr_wl_shell *wl_shell = _wl_shell;
|
|
assert(wl_client && wl_shell);
|
|
if (version > 1) {
|
|
wlr_log(L_ERROR,
|
|
"Client requested unsupported wl_shell version, disconnecting");
|
|
wl_client_destroy(wl_client);
|
|
return;
|
|
}
|
|
struct wl_resource *wl_resource = wl_resource_create(wl_client,
|
|
&wl_shell_interface, version, id);
|
|
wl_resource_set_implementation(wl_resource, &wl_shell_impl, wl_shell,
|
|
wl_shell_destroy);
|
|
wl_list_insert(&wl_shell->wl_resources, wl_resource_get_link(wl_resource));
|
|
}
|
|
|
|
struct wlr_wl_shell *wlr_wl_shell_create(struct wl_display *display) {
|
|
struct wlr_wl_shell *wl_shell = calloc(1, sizeof(struct wlr_wl_shell));
|
|
if (!wl_shell) {
|
|
return NULL;
|
|
}
|
|
wl_shell->ping_timeout = 10000;
|
|
struct wl_global *wl_global = wl_global_create(display, &wl_shell_interface,
|
|
1, wl_shell, wl_shell_bind);
|
|
if (!wl_global) {
|
|
free(wl_shell);
|
|
return NULL;
|
|
}
|
|
wl_shell->wl_global = wl_global;
|
|
wl_list_init(&wl_shell->wl_resources);
|
|
wl_list_init(&wl_shell->surfaces);
|
|
wl_list_init(&wl_shell->popup_grabs);
|
|
wl_signal_init(&wl_shell->events.new_surface);
|
|
return wl_shell;
|
|
}
|
|
|
|
void wlr_wl_shell_destroy(struct wlr_wl_shell *wlr_wl_shell) {
|
|
if (!wlr_wl_shell) {
|
|
return;
|
|
}
|
|
struct wl_resource *resource = NULL, *temp = NULL;
|
|
wl_resource_for_each_safe(resource, temp, &wlr_wl_shell->wl_resources) {
|
|
struct wl_list *link = wl_resource_get_link(resource);
|
|
wl_list_remove(link);
|
|
}
|
|
// TODO: destroy surfaces
|
|
// TODO: this segfault (wl_display->registry_resource_list is not init)
|
|
// wl_global_destroy(wlr_wl_shell->wl_global);
|
|
free(wlr_wl_shell);
|
|
}
|
|
|
|
void wlr_wl_shell_surface_ping(struct wlr_wl_shell_surface *surface) {
|
|
if (surface->ping_serial != 0) {
|
|
// already pinged
|
|
return;
|
|
}
|
|
|
|
surface->ping_serial =
|
|
wl_display_next_serial(wl_client_get_display(surface->client));
|
|
wl_event_source_timer_update(surface->ping_timer,
|
|
surface->shell->ping_timeout);
|
|
wl_shell_surface_send_ping(surface->resource, surface->ping_serial);
|
|
}
|
|
|
|
void wlr_wl_shell_surface_configure(struct wlr_wl_shell_surface *surface,
|
|
uint32_t edges, int32_t width, int32_t height) {
|
|
wl_shell_surface_send_configure(surface->resource, edges, width, height);
|
|
}
|
|
|
|
void wlr_wl_shell_surface_popup_done(struct wlr_wl_shell_surface *surface) {
|
|
wl_shell_surface_send_popup_done(surface->resource);
|
|
}
|
|
|
|
bool wlr_wl_shell_surface_is_transient(struct wlr_wl_shell_surface *surface) {
|
|
return surface->parent != NULL;
|
|
}
|