Add the CLI state, a buffer to hold the old value of the text being edited and a place to save vidconsole entry context. These will be use by the textline object.
Set an upper limit on the maximum number of characters in a textline object supported by expo, at least for now.
Signed-off-by: Simon Glass sjg@chromium.org ---
boot/scene.c | 10 ++++++++++ include/expo.h | 14 ++++++++++++++ 2 files changed, 24 insertions(+)
diff --git a/boot/scene.c b/boot/scene.c index 314dd7c6e84..0b44a13748a 100644 --- a/boot/scene.c +++ b/boot/scene.c @@ -32,6 +32,14 @@ int scene_new(struct expo *exp, const char *name, uint id, struct scene **scnp) return log_msg_ret("name", -ENOMEM); }
+ abuf_init(&scn->buf); + if (!abuf_realloc(&scn->buf, EXPO_MAX_CHARS + 1)) { + free(scn->name); + free(scn); + return log_msg_ret("buf", -ENOMEM); + } + abuf_init(&scn->entry_save); + INIT_LIST_HEAD(&scn->obj_head); scn->id = resolve_id(exp, id); scn->expo = exp; @@ -57,6 +65,8 @@ void scene_destroy(struct scene *scn) list_for_each_entry_safe(obj, next, &scn->obj_head, sibling) scene_obj_destroy(obj);
+ abuf_uninit(&scn->entry_save); + abuf_uninit(&scn->buf); free(scn->name); free(scn); } diff --git a/include/expo.h b/include/expo.h index b192d55665a..c470f5be34d 100644 --- a/include/expo.h +++ b/include/expo.h @@ -7,11 +7,14 @@ #ifndef __EXPO_H #define __EXPO_H
+#include <abuf.h> #include <dm/ofnode_decl.h> #include <linux/list.h>
struct udevice;
+#include <cli.h> + /** * enum expoact_type - types of actions reported by the expo * @@ -121,6 +124,9 @@ struct expo_string { * @id: ID number of the scene * @title_id: String ID of title of the scene (allocated) * @highlight_id: ID of highlighted object, if any + * @cls: cread state to use for input + * @buf: Buffer for input + * @entry_save: Buffer to hold vidconsole text-entry information * @sibling: Node to link this scene to its siblings * @obj_head: List of objects in the scene */ @@ -130,6 +136,9 @@ struct scene { uint id; uint title_id; uint highlight_id; + struct cli_line_state cls; + struct abuf buf; + struct abuf entry_save; struct list_head sibling; struct list_head obj_head; }; @@ -180,6 +189,11 @@ enum scene_obj_flags_t { SCENEOF_OPEN = 1 << 2, };
+enum { + /* Maximum number of characters allowed in an line editor */ + EXPO_MAX_CHARS = 250, +}; + /** * struct scene_obj - information about an object in a scene *