/* * Copyright (C) 2023 Red Hat, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . */ #include "config.h" #include #include #include "wayland-test-client-utils.h" static WaylandDisplay *display; static struct wl_surface *toplevel_surface, *child_surface, *grandchild_surface; static struct wl_subsurface *child, *grandchild; static struct xdg_surface *xdg_surface; static struct xdg_toplevel *xdg_toplevel; static gboolean waiting_for_configure = FALSE; static gboolean fullscreen = 0; static uint32_t window_width = 0; static uint32_t window_height = 0; static void handle_xdg_toplevel_configure (void *data, struct xdg_toplevel *xdg_toplevel, int32_t width, int32_t height, struct wl_array *states) { uint32_t *p; fullscreen = 0; wl_array_for_each(p, states) { uint32_t state = *p; switch (state) { case XDG_TOPLEVEL_STATE_FULLSCREEN: fullscreen = 1; break; } } if (width > 0 && height > 0) { window_width = width; window_height = height; } } static void handle_xdg_toplevel_close(void *data, struct xdg_toplevel *xdg_toplevel) { g_assert_not_reached (); } static const struct xdg_toplevel_listener xdg_toplevel_listener = { handle_xdg_toplevel_configure, handle_xdg_toplevel_close, }; static void draw_toplevel (void) { draw_surface (display, toplevel_surface, window_width, window_height, 0xffffffffu); } static void handle_xdg_surface_configure (void *data, struct xdg_surface *xdg_surface, uint32_t serial) { xdg_surface_ack_configure (xdg_surface, serial); waiting_for_configure = FALSE; } static const struct xdg_surface_listener xdg_surface_listener = { handle_xdg_surface_configure, }; static void draw_child (void) { draw_surface (display, child_surface, window_width / 2, window_height / 2, 0xff000000u); } static void draw_grandchild (void) { draw_surface (display, grandchild_surface, window_width / 2, window_height / 2, 0xffff0000u); } static void wait_for_configure (void) { waiting_for_configure = TRUE; while (waiting_for_configure || window_width == 0) { if (wl_display_dispatch (display->display) == -1) exit (EXIT_FAILURE); } } int main (int argc, char **argv) { display = wayland_display_new (WAYLAND_DISPLAY_CAPABILITY_TEST_DRIVER); toplevel_surface = wl_compositor_create_surface (display->compositor); xdg_surface = xdg_wm_base_get_xdg_surface (display->xdg_wm_base, toplevel_surface); xdg_surface_add_listener (xdg_surface, &xdg_surface_listener, NULL); xdg_toplevel = xdg_surface_get_toplevel (xdg_surface); xdg_toplevel_add_listener (xdg_toplevel, &xdg_toplevel_listener, NULL); xdg_toplevel_set_title (xdg_toplevel, "subsurface-corner-cases"); xdg_toplevel_set_fullscreen (xdg_toplevel, NULL); wl_surface_commit (toplevel_surface); wait_for_configure (); draw_toplevel (); wl_surface_commit (toplevel_surface); wait_for_effects_completed (display, toplevel_surface); child_surface = wl_compositor_create_surface (display->compositor); child = wl_subcompositor_get_subsurface (display->subcompositor, child_surface, toplevel_surface); draw_child (); wl_surface_commit (child_surface); /* No toplevel commit → sub-surface must not be mapped yet */ wait_for_view_verified (display, 0); wl_surface_commit (toplevel_surface); /* Toplevel commit → sub-surface must be mapped */ wait_for_view_verified (display, 1); wl_subsurface_set_position (child, window_width / 2, window_height / 2); /* No toplevel commit → sub-surface must not have moved yet */ wait_for_view_verified (display, 2); wl_surface_commit (toplevel_surface); /* Toplevel commit → sub-surface must have moved */ wait_for_view_verified (display, 3); wl_surface_attach (child_surface, NULL, 0, 0); wl_surface_commit (child_surface); /* No toplevel commit → sub-surface must not be unmapped yet */ wait_for_view_verified (display, 4); wl_surface_commit (toplevel_surface); /* Toplevel commit → sub-surface must be unmapped */ wait_for_view_verified (display, 5); draw_child (); wl_surface_commit (child_surface); wl_subsurface_set_desync (child); wl_surface_attach (child_surface, NULL, 0, 0); wl_surface_commit (child_surface); /* Desync sub-surface must have been unmapped */ wait_for_view_verified (display, 6); draw_child (); wl_surface_commit (child_surface); wl_subsurface_set_sync (child); wl_subsurface_destroy (child); /* Sub-surface destroyed → must be unmapped */ wait_for_view_verified (display, 7); child = wl_subcompositor_get_subsurface (display->subcompositor, child_surface, toplevel_surface); draw_child (); wl_surface_commit (child_surface); /* No toplevel commit → sub-surface must not be mapped yet */ wait_for_view_verified (display, 8); wl_surface_commit (toplevel_surface); /* Sub-surface position must have reset to (0, 0) */ wait_for_view_verified (display, 9); wl_subsurface_place_below (child, toplevel_surface); /* No toplevel commit → sub-surface must still be above toplevel */ wait_for_view_verified (display, 10); wl_subsurface_destroy (child); child = wl_subcompositor_get_subsurface (display->subcompositor, child_surface, toplevel_surface); draw_child (); wl_surface_commit (child_surface); wl_surface_commit (toplevel_surface); /* New sub-surface → placement below toplevel must not have taken effect */ wait_for_view_verified (display, 11); grandchild_surface = wl_compositor_create_surface (display->compositor); grandchild = wl_subcompositor_get_subsurface (display->subcompositor, grandchild_surface, child_surface); draw_grandchild (); wl_subsurface_set_position (grandchild, window_width / 4, window_height / 4); wl_surface_commit (grandchild_surface); wl_surface_commit (child_surface); /* No toplevel commit → grand-child surface must not be mapped yet */ wait_for_view_verified (display, 12); wl_surface_commit (toplevel_surface); /* Toplevel commit → grand-child surface must be mapped */ wait_for_view_verified (display, 13); wl_subsurface_place_below (grandchild, child_surface); wl_surface_commit (child_surface); wl_subsurface_destroy (grandchild); grandchild = wl_subcompositor_get_subsurface (display->subcompositor, grandchild_surface, child_surface); draw_grandchild (); wl_subsurface_set_position (grandchild, window_width / 4, window_height / 4); wl_surface_commit (grandchild_surface); wl_surface_commit (child_surface); wl_surface_commit (toplevel_surface); /* New grandchild must be placed above its parent */ wait_for_view_verified (display, 14); g_clear_object (&display); return EXIT_SUCCESS; }