Draw a multiple choice menu using `list_and_choose` to select items
to be deleted by numbers.
User can input:
* 1,5-7 : select 1,5,6,7 items to be deleted
* * : select all items to be deleted
* -* : unselect all, nothing will be deleted
* : (empty) finish selecting, and return back to main menu
Signed-off-by: Jiang Xin <worldhello.net@xxxxxxxxx>
---
builtin/clean.c | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/builtin/clean.c b/builtin/clean.c
index 48731..17b65 100644
--- a/builtin/clean.c
+++ b/builtin/clean.c
@@ -712,6 +712,43 @@ static int filter_by_patterns_cmd(void)
return 0;
}
+static int select_by_numbers_cmd(void)
+{
+ struct menu_opts menu_opts;
+ struct menu_stuff menu_stuff;
+ struct string_list_item *items;
+ int *chosen;
+ int i, j;
+
+ menu_opts.header = NULL;
+ menu_opts.prompt = "Select items to delete";
+ menu_opts.flag = 0;
+
+ menu_stuff.type = MENU_STUFF_TYPE_STRING_LIST;
+ menu_stuff.stuff = &del_list;
+ menu_stuff.nr = del_list.nr;
+
+ chosen = list_and_choose(&menu_opts, &menu_stuff);
+ items = del_list.items;
+ for(i = 0, j = 0; i < del_list.nr; i++) {
+ if (i < chosen[j]) {
+ *(items[i].string) = '\0';
+ } else if (i == chosen[j]) {
+ /* delete selected item */
+ j++;
+ continue;
+ } else {
+ /* end of chosen (EOF), won't delete */
+ *(items[i].string) = '\0';
+ }
+ }
+
+ string_list_remove_empty_items(&del_list, 0);
+
+ free(chosen);
+ return 0;
+}
+
static int quit_cmd(void)
{
string_list_clear(&del_list, 0);
@@ -725,6 +762,7 @@ static int help_cmd(void)
printf_ln(_(
"clean - start cleaning\n"
"filter by pattern - exclude items from deletion\n"
+ "select by numbers - select items to be deleted by numbers\n"
"quit - stop cleaning\n"
"help - this screen\n"
"? - help for prompt selection"
@@ -741,6 +779,7 @@ static void interactive_main_loop(void)
struct menu_item menus[] = {
{'c', "clean", 0, clean_cmd},
{'f', "filter by pattern", 0, filter_by_patterns_cmd},
+ {'s', "select by numbers", 0, select_by_numbers_cmd},
{'q', "quit", 0, quit_cmd},
{'h', "help", 0, help_cmd},
};
--
1.8.3.rc1.341.g24a8a0f
--
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