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-rw-r--r--ui/ncurses/Makefile.am1
-rw-r--r--ui/ncurses/nc-boot-editor-help.c24
-rw-r--r--ui/ncurses/nc-boot-editor.c26
3 files changed, 49 insertions, 2 deletions
diff --git a/ui/ncurses/Makefile.am b/ui/ncurses/Makefile.am
index 2834f12..877dc11 100644
--- a/ui/ncurses/Makefile.am
+++ b/ui/ncurses/Makefile.am
@@ -36,6 +36,7 @@ libpbnc_la_SOURCES = \
nc-cui.h \
nc-boot-editor.c \
nc-boot-editor.h \
+ nc-boot-editor-help.c \
nc-helpscreen.c \
nc-helpscreen.h \
nc-menu.c \
diff --git a/ui/ncurses/nc-boot-editor-help.c b/ui/ncurses/nc-boot-editor-help.c
new file mode 100644
index 0000000..3f0c7fb
--- /dev/null
+++ b/ui/ncurses/nc-boot-editor-help.c
@@ -0,0 +1,24 @@
+const char *boot_editor_help_text = "\
+This screen allows you to edit or create boot options.\n\
+\n\
+Device: This is a list of block devices available on the system. Select \
+the device which contains your boot resources (kernel, initrd and device \
+tree), or \"Specify paths/URLs manually\" to use full URLs to the boot \
+resources.\n\
+\n\
+Kernel: enter the path to the kernel to boot. This field is mandatory. \
+This should be a kernel image that the kexec utility can handle. Generally, \
+this will be a 'vmlinux'-type image.\n\
+Example: /boot/vmlinux\n\
+\n\
+Initrd: enter the path to the initial RAM disk image. This is optional.\n\
+Example: /boot/initrd.img\n\
+\n\
+Device tree: enter the path to the device tree blob file (.dtb). \
+This is optional; if not specified, and your platform currently provides \
+a device tree, the current one will be used.\n\
+Example: /boot/device-tree.dtb\n\
+\n\
+Boot arguments: enter the kernel command-line arguments. This is optional.\n\
+Example: root=/dev/sda1 console=hvc0\n\
+\n";
diff --git a/ui/ncurses/nc-boot-editor.c b/ui/ncurses/nc-boot-editor.c
index ac07156..432a92a 100644
--- a/ui/ncurses/nc-boot-editor.c
+++ b/ui/ncurses/nc-boot-editor.c
@@ -37,6 +37,7 @@ struct boot_editor {
STATE_EDIT,
STATE_CANCEL,
STATE_SAVE,
+ STATE_HELP,
} state;
void (*on_exit)(struct cui *cui,
struct pmenu_item *item,
@@ -60,6 +61,7 @@ struct boot_editor {
struct nc_widget_label *args_l;
struct nc_widget_textbox *args_f;
struct nc_widget_button *ok_b;
+ struct nc_widget_button *help_b;
struct nc_widget_button *cancel_b;
} widgets;
@@ -70,6 +72,8 @@ struct boot_editor {
char *args;
};
+extern const char *boot_editor_help_text;
+
static struct boot_editor *boot_editor_from_scr(struct nc_scr *scr)
{
struct boot_editor *boot_editor;
@@ -103,9 +107,10 @@ static struct boot_editor *boot_editor_from_arg(void *arg)
static int boot_editor_post(struct nc_scr *scr)
{
struct boot_editor *boot_editor = boot_editor_from_scr(scr);
-
widgetset_post(boot_editor->widgetset);
nc_scr_frame_draw(scr);
+ redrawwin(scr->main_ncw);
+ wrefresh(boot_editor->scr.main_ncw);
pad_refresh(boot_editor);
return 0;
}
@@ -199,6 +204,9 @@ static void boot_editor_process_key(struct nc_scr *scr, int key)
else if (key == 'x' || key == 27)
boot_editor->state = STATE_CANCEL;
+ else if (key == 'h')
+ boot_editor->state = STATE_HELP;
+
item = NULL;
bd = NULL;
@@ -210,6 +218,11 @@ static void boot_editor_process_key(struct nc_scr *scr, int key)
case STATE_CANCEL:
boot_editor->on_exit(boot_editor->cui, item, bd);
break;
+ case STATE_HELP:
+ boot_editor->state = STATE_EDIT;
+ cui_show_help(boot_editor->cui, "Boot Option Editor",
+ boot_editor_help_text);
+ break;
default:
break;
}
@@ -234,6 +247,12 @@ static void ok_click(void *arg)
boot_editor->state = STATE_SAVE;
}
+static void help_click(void *arg)
+{
+ struct boot_editor *boot_editor = arg;
+ boot_editor->state = STATE_HELP;
+}
+
static void cancel_click(void *arg)
{
struct boot_editor *boot_editor = arg;
@@ -284,7 +303,8 @@ static void boot_editor_layout_widgets(struct boot_editor *boot_editor)
y++;
widget_move(widget_button_base(boot_editor->widgets.ok_b), y, 9);
- widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 19);
+ widget_move(widget_button_base(boot_editor->widgets.help_b), y, 19);
+ widget_move(widget_button_base(boot_editor->widgets.cancel_b), y, 29);
}
static void boot_editor_widget_focus(struct nc_widget *widget, void *arg)
@@ -456,6 +476,8 @@ static void boot_editor_setup_widgets(struct boot_editor *boot_editor,
boot_editor->widgets.ok_b = widget_new_button(set, 0, 0, 6,
"OK", ok_click, boot_editor);
+ boot_editor->widgets.help_b = widget_new_button(set, 0, 0, 6,
+ "Help", help_click, boot_editor);
boot_editor->widgets.cancel_b = widget_new_button(set, 0, 0, 6,
"Cancel", cancel_click, boot_editor);
}
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