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-rw-r--r--commands/menu.c23
-rw-r--r--common/boot.c8
-rw-r--r--common/menu.c81
-rw-r--r--common/menutree.c9
-rw-r--r--include/menu.h6
5 files changed, 108 insertions, 19 deletions
diff --git a/commands/menu.c b/commands/menu.c
index e1079fd51e..72db26e5d1 100644
--- a/commands/menu.c
+++ b/commands/menu.c
@@ -22,6 +22,7 @@
#include <menu.h>
#include <getopt.h>
#include <errno.h>
+#include <libbb.h>
#include <linux/err.h>
typedef enum {
@@ -146,9 +147,7 @@ static int do_menu_add(struct cmd_menu *cm)
if (!m->name)
goto free;
- m->display = strdup(cm->description);
- if (!m->display)
- goto free;
+ menu_add_title(m, strdup(cm->description));
ret = menu_add(m);
@@ -271,7 +270,23 @@ static int do_menu_list(struct cmd_menu *cm)
}
list_for_each_entry(m, &menus->list, list) {
- printf("%s: %s\n", m->name, m->display? m->display : m->name);
+ printf("%s: ", m->name);
+ if (m->display_lines) {
+ static char outstr[256];
+ int i;
+
+ printf("\n");
+ for (i = 0; i < m->display_lines; i++)
+ /* Conform to menu rendering logic */
+ if (IS_ENABLED(CONFIG_SHELL_HUSH)) {
+ process_escape_sequence(m->display[i], outstr, 256);
+ printf("\t%s\n", outstr);
+ } else {
+ printf("\t%s\n", m->display[i]);
+ }
+ } else {
+ printf("%s\n", m->name);
+ }
if (is_entry(cm))
print_entries(m);
}
diff --git a/common/boot.c b/common/boot.c
index 0e9f27f9bc..bc90502284 100644
--- a/common/boot.c
+++ b/common/boot.c
@@ -43,7 +43,7 @@ struct bootentries *bootentries_alloc(void)
if (IS_ENABLED(CONFIG_MENU)) {
bootentries->menu = menu_alloc();
- bootentries->menu->display = basprintf("boot");
+ menu_add_title(bootentries->menu, basprintf("boot"));
}
return bootentries;
@@ -61,8 +61,12 @@ void bootentries_free(struct bootentries *bootentries)
be->release(be);
}
- if (bootentries->menu)
+ if (bootentries->menu) {
+ int i;
+ for (i = 0; i < bootentries->menu->display_lines; i++)
+ free(bootentries->menu->display[i]);
free(bootentries->menu->display);
+ }
free(bootentries->menu);
free(bootentries);
}
diff --git a/common/menu.c b/common/menu.c
index 9819569f6f..64df458e68 100644
--- a/common/menu.c
+++ b/common/menu.c
@@ -43,10 +43,13 @@ EXPORT_SYMBOL(menu_get_menus);
void menu_free(struct menu *m)
{
struct menu_entry *me, *tmp;
+ int i;
if (!m)
return;
free(m->name);
+ for (i = 0; i < m->display_lines; i++)
+ free(m->display[i]);
free(m->display);
free(m->auto_display);
@@ -164,7 +167,7 @@ static void __print_entry(const char *str)
static void print_menu_entry(struct menu *m, struct menu_entry *me,
int selected)
{
- gotoXY(3, me->num + 1);
+ gotoXY(3, me->num + m->display_lines);
if (me->type == MENU_ENTRY_BOX) {
if (me->box_state)
@@ -232,14 +235,12 @@ EXPORT_SYMBOL(menu_set_auto_select);
static void print_menu(struct menu *m)
{
struct menu_entry *me;
+ int i;
clear();
- gotoXY(2, 1);
- if(m->display) {
- __print_entry(m->display);
- } else {
- puts("Menu : ");
- puts(m->name);
+ for (i = 0; i < m->display_lines; i++) {
+ gotoXY(2, 1 + i);
+ __print_entry(m->display[i]);
}
list_for_each_entry(me, &m->entries, list) {
@@ -269,7 +270,7 @@ int menu_show(struct menu *m)
countdown = m->auto_select;
if (m->auto_select >= 0) {
- gotoXY(3, m->nb_entries + 2);
+ gotoXY(3, m->nb_entries + m->display_lines + 1);
if (!m->auto_display) {
printf("Auto Select in");
} else {
@@ -293,10 +294,10 @@ int menu_show(struct menu *m)
}
}
- gotoXY(3, m->nb_entries + 2);
+ gotoXY(3, m->nb_entries + m->display_lines + 1);
printf("%*c", auto_display_len + 4, ' ');
- gotoXY(3, m->selected->num + 1);
+ gotoXY(3, m->selected->num + m->display_lines);
do {
struct menu_entry *old_selected = m->selected;
@@ -517,3 +518,63 @@ err_free:
return ERR_PTR(ret);
}
EXPORT_SYMBOL(menu_add_command_entry);
+
+/*
+ * Add title to menu.
+ * Lines are separated by explicit char '\n' or by string "\n".
+ *
+ * @display: NULL or pointer to the string which will be freed in this function.
+ * If NULL or zero length string is provided, default title will be added.
+ */
+void menu_add_title(struct menu *m, char *display)
+{
+ char *tmp, *src, *dst;
+ int lines = 1;
+ int i;
+
+ if (!display || !strlen(display)) {
+ free(display);
+ display = xasprintf("Menu : %s", m->name ? m->name : "");
+ }
+
+ src = dst = tmp = xstrdup(display);
+ /* Count lines and separate single string into multiple strings */
+ while (*src) {
+ if (*src == '\\') {
+ if (*(src + 1) == '\\') {
+ *dst++ = *src++;
+ *dst++ = *src++;
+ continue;
+ }
+ if (*(src + 1) == 'n') {
+ *dst = 0;
+ src += 2;
+ dst++;
+ lines++;
+ continue;
+ }
+ }
+ if (*src == '\n') {
+ *dst = 0;
+ src++;
+ dst++;
+ lines++;
+ continue;
+ }
+ *dst++ = *src++;
+ }
+ *dst = 0;
+
+ m->display = xzalloc(sizeof(*m->display) * lines);
+ m->display_lines = lines;
+
+ for (src = tmp, i = 0; i < lines; i++) {
+ m->display[i] = xstrdup(src);
+ /* Go to the next line */
+ src += strlen(src) + 1;
+ }
+
+ free(tmp);
+ free(display);
+}
+EXPORT_SYMBOL(menu_add_title);
diff --git a/common/menutree.c b/common/menutree.c
index eb14da0d01..400d1a6939 100644
--- a/common/menutree.c
+++ b/common/menutree.c
@@ -19,6 +19,7 @@
#include <shell.h>
#include <libfile.h>
+#include <linux/ctype.h>
#include <linux/stat.h>
struct menutree {
@@ -95,6 +96,7 @@ int menutree(const char *path, int toplevel)
glob_t g;
int i;
char *globpath, *display;
+ size_t size;
menu = menu_alloc();
@@ -106,14 +108,17 @@ int menutree(const char *path, int toplevel)
goto out;
}
- display = read_file_line("%s/title", path);
+ globpath = basprintf("%s/title", path);
+ display = read_file(globpath, &size);
+ free(globpath);
if (!display) {
eprintf("no title found in %s/title\n", path);
ret = -EINVAL;
goto out;
}
- menu->display = shell_expand(display);
+ strim(display);
+ menu_add_title(menu, shell_expand(display));
free(display);
for (i = 0; i < g.gl_pathc; i++) {
diff --git a/include/menu.h b/include/menu.h
index 8b0ffb1f83..3e704a8907 100644
--- a/include/menu.h
+++ b/include/menu.h
@@ -47,7 +47,10 @@ struct menu_entry {
struct menu {
char *name;
- char *display;
+ /* Multiline title */
+ char **display;
+ /* Number of lines */
+ int display_lines;
int auto_select;
char *auto_display;
@@ -88,6 +91,7 @@ int menu_set_selected_entry(struct menu *m, struct menu_entry* me);
int menu_set_selected(struct menu *m, int num);
int menu_set_auto_select(struct menu *m, int delay);
struct menu* menu_get_menus(void);
+void menu_add_title(struct menu *m, char *display);
/*
* menu entry functions
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-18 13:53:40 +0000