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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 16:29:51 +0000 |
commit | 6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e (patch) | |
tree | 32451fa3cdd9321fb2591fada9891b2cb70a9cd1 /grub-core/gfxmenu/gui_util.c | |
parent | Initial commit. (diff) | |
download | grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.tar.xz grub2-6e7a315eb67cb6c113cf37e1d66c4f11a51a2b3e.zip |
Adding upstream version 2.06.upstream/2.06upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | grub-core/gfxmenu/gui_util.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/grub-core/gfxmenu/gui_util.c b/grub-core/gfxmenu/gui_util.c new file mode 100644 index 0000000..eba7bb3 --- /dev/null +++ b/grub-core/gfxmenu/gui_util.c @@ -0,0 +1,101 @@ +/* gui_util.c - GUI utility functions. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB 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 3 of the License, or + * (at your option) any later version. + * + * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#include <grub/mm.h> +#include <grub/misc.h> +#include <grub/gui.h> +#include <grub/gui_string_util.h> + + +struct find_by_id_state +{ + const char *match_id; + grub_gui_component_callback match_callback; + void *match_userdata; +}; + +static void +find_by_id_recursively (grub_gui_component_t component, void *userdata) +{ + struct find_by_id_state *state; + const char *id; + + state = (struct find_by_id_state *) userdata; + id = component->ops->get_id (component); + if (id && grub_strcmp (id, state->match_id) == 0) + state->match_callback (component, state->match_userdata); + + if (component->ops->is_instance (component, "container")) + { + grub_gui_container_t container; + container = (grub_gui_container_t) component; + container->ops->iterate_children (container, + find_by_id_recursively, + state); + } +} + +void +grub_gui_find_by_id (grub_gui_component_t root, + const char *id, + grub_gui_component_callback cb, + void *userdata) +{ + struct find_by_id_state state; + state.match_id = id; + state.match_callback = cb; + state.match_userdata = userdata; + find_by_id_recursively (root, &state); +} + + +struct iterate_recursively_state +{ + grub_gui_component_callback callback; + void *userdata; +}; + +static +void iterate_recursively_cb (grub_gui_component_t component, void *userdata) +{ + struct iterate_recursively_state *state; + + state = (struct iterate_recursively_state *) userdata; + state->callback (component, state->userdata); + + if (component->ops->is_instance (component, "container")) + { + grub_gui_container_t container; + container = (grub_gui_container_t) component; + container->ops->iterate_children (container, + iterate_recursively_cb, + state); + } +} + +void +grub_gui_iterate_recursively (grub_gui_component_t root, + grub_gui_component_callback cb, + void *userdata) +{ + struct iterate_recursively_state state; + state.callback = cb; + state.userdata = userdata; + iterate_recursively_cb (root, &state); +} |