#define MENU_PAD_LEFT 2
#define MENU_PAD_RIGHT 1
+#define MAX_CONTENTS_LENGTH 256
+
typedef struct MenuItem {
char* contents;
} MenuItem;
int swap_item(Menu* menu, int src_index, int dest_index);
int delete_item(Menu* menu, int index);
+int insert_item(Menu* menu, int index);
+
+/* insert mode */
+int menu_insert_mode(Menu* menu, int insert_index);
MenuItem*
create_menuitem(char* contents)
return 0;
}
+int
+get_selected_item(Menu* menu)
+{
+ return menu->selected_item;
+}
+
+int
+set_selected_item(Menu* menu, int selected_item)
+{
+ menu->selected_item = selected_item;
+
+ return 0;
+}
+
+int
+get_menu_length(Menu* menu)
+{
+ return menu->menu_length;
+}
+
int
swap_item(Menu* menu, int src_index, int dest_index)
{
if (index < 0 || index > menu->menu_length-1) return -1;
int temp_size = (menu->menu_length-index-1)*sizeof(MenuItem*);
- MenuItem* temp[temp_size];
/* might break if last item? */
- memcpy(temp, menu->menu_items[index+1], temp_size);
- memcpy(menu->menu_items[index], temp, temp_size);
+ memmove(menu->menu_items[index], menu->menu_items[index+1], temp_size);
menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
return 0;
}
+int
+insert_item(Menu* menu, int index)
+{ // note, this func does not validate index
+
+ char* new_content;
+ MenuItem* new_menuitem;
+
+ // remember null char
+ /* new_content = malloc((MAX_CONTENTS_LENGTH+1)*sizeof(char)); */
+ new_content = strdup("");
+
+ new_menuitem = create_menuitem(new_content);
+
+ /* resize array and insert */
+ menu->menu_items = realloc(menu->menu_items, (menu->menu_length+2)*sizeof(MenuItem*));
+
+ for (int i = menu->menu_length; i > index; i--) {
+ menu->menu_items[i] = menu->menu_items[i-1];
+ }
+
+ menu->menu_items[index] = new_menuitem;
+ menu->menu_items[menu->menu_length+1] = 0; // remember null at end
+ menu->menu_length += 1;
+
+ /* move cursor pos */
+ menu->selected_item = index;
+
+ return 0;
+}
+
+int
+menu_insert_mode(Menu* menu, int insert_index)
+{
+ char temp[MAX_CONTENTS_LENGTH+1]; // remember null
+ char* new_contents;
+
+ /* this is bad */
+ wclear(menu->sub_win);
+ render_menu(menu);
+
+ curs_on();
+
+ /* move cursor to right spot */
+ ungetstr(menu->menu_items[insert_index]->contents);
+ mvwgetnstr(menu->sub_win,
+ insert_index, // account for wrap later too
+ 0,
+ temp,
+ MAX_CONTENTS_LENGTH
+ );
+ curs_off();
+
+ /* copy out */
+ new_contents = strdup(temp);
+ menu->menu_items[insert_index]->contents = new_contents;
+
+ return 0;
+}
+
int
menu_driver(Menu* menu, MenuAction action)
{
wclear(menu->sub_win);
break;
+ case MENU_APPEND:
+ insert_item(menu, menu->menu_length);
+ wclear(menu->sub_win);
+ break;
+
+ case MENU_INSERT_ABOVE:
+ ;
+ int insert_ind = menu->selected_item;
+ insert_item(menu, insert_ind);
+ menu_insert_mode(menu, insert_ind);
+
+ break;
+
+ case MENU_INSERT_BELOW:
+ insert_item(menu,
+ (menu->selected_item >= menu->menu_length-1) ? menu->menu_length : menu->selected_item+1
+ );
+ wclear(menu->sub_win);
+
+ break;
+
default: // This is here for debug, disable later
fprintf(stderr, "Invalid menu action");
}