8 #include "headers/menu.h"
9 #include "headers/render.h"
10 #include "headers/utils.h"
12 #define MENU_PAD_TOP 2
13 #define MENU_PAD_BOTTOM 1
14 #define MENU_PAD_LEFT 2
15 #define MENU_PAD_RIGHT 1
17 #define MAX_CONTENTS_LENGTH 256
19 typedef struct MenuItem {
25 MenuItem** menu_items;
36 int swap_item(Menu* menu, int src_index, int dest_index);
37 int delete_item(Menu* menu, int index);
38 int insert_item(Menu* menu, int index);
41 create_menuitem(char* contents)
43 MenuItem* new_menuitem;
45 new_menuitem = malloc(sizeof(MenuItem));
46 new_menuitem->contents = contents;
52 create_menu(char* menu_name, MenuItem** item_list)
56 new_menu = malloc(sizeof(Menu));
57 new_menu->menu_name = menu_name;
58 new_menu->menu_items = item_list;
59 new_menu->menu_length = array_length(MenuItem*, item_list);
60 new_menu->selected_item = 0;
61 new_menu->scroll_offset = 0;
62 new_menu->focused = false;
63 set_menu_win(new_menu, stdscr);
69 set_menu_win(Menu* menu, WINDOW* win)
74 getmaxyx(menu->menu_win, height, width);
76 /* create a subwin (also prob free old subwin?) */
77 menu->max_height = height-MENU_PAD_TOP-MENU_PAD_BOTTOM;
78 menu->max_width = width-MENU_PAD_LEFT-MENU_PAD_RIGHT;
79 menu->sub_win = derwin(
91 get_menu_items(Menu* menu)
97 set_menu_focus(Menu* menu, bool focus)
99 menu->focused = focus;
105 get_selected_item(Menu* menu)
107 return menu->selected_item;
111 set_selected_item(Menu* menu, int selected_item)
113 menu->selected_item = selected_item;
119 get_menu_length(Menu* menu)
121 return menu->menu_length;
125 swap_item(Menu* menu, int src_index, int dest_index)
129 temp = menu->menu_items[dest_index];
130 menu->menu_items[dest_index] = menu->menu_items[src_index];
131 menu->menu_items[src_index] = temp;
137 delete_item(Menu* menu, int index)
139 if (index < 0 || index > menu->menu_length-1) return -1;
141 int temp_size = (menu->menu_length-index-1)*sizeof(MenuItem*);
142 MenuItem* temp[temp_size];
144 /* might break if last item? */
145 memcpy(temp, menu->menu_items[index+1], temp_size);
146 memcpy(menu->menu_items[index], temp, temp_size);
148 menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
149 menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
151 menu->menu_length -= 1;
153 /* also move the current selected position if it's last */
154 if (menu->selected_item > menu->menu_length-1) {
155 menu->selected_item = menu->menu_length-1;
162 insert_item(Menu* menu, int index)
163 { // note, this func does not validate index
166 MenuItem* new_menuitem;
168 // remember null char
169 /* new_content = malloc((MAX_CONTENTS_LENGTH+1)*sizeof(char)); */
170 new_content = malloc(10);
171 new_content = "abcdefghi";
173 new_menuitem = create_menuitem(new_content);
175 /* resize array and insert */
177 /* sprintf(out, "%d\n", menu->menu_length); */
178 /* mvprintw(0, 0, out); */
179 /* menu->menu_items = realloc(menu->menu_items, (menu->menu_length+1)*sizeof(MenuItem*)); */
181 /* int temp_size = (menu->menu_length-index)*sizeof(MenuItem*); */
182 /* MenuItem* temp[temp_size]; */
184 /* memcpy(temp, menu->menu_items[index], temp_size); */
185 /* menu->menu_items[index] = new_menuitem; */
186 /* memcpy(menu->menu_items[index+1], temp, temp_size); */
188 /* menu->menu_items[menu->menu_length] = 0; // remember null at end */
189 /* menu->menu_length += 1; */
192 /* move cursor pos */
193 /* menu->selected_item = index; */
199 menu_driver(Menu* menu, MenuAction action)
204 menu->selected_item = menu->selected_item-1 >= 0 ? menu->selected_item-1 : 0;
208 menu->selected_item = menu->selected_item+1 <= menu->menu_length-1 ? menu->selected_item+1 : menu->menu_length-1;
212 menu->selected_item = 0;
216 menu->selected_item = menu->menu_length-1;
220 if (menu->selected_item <= 0) break;
221 swap_item(menu, menu->selected_item, menu->selected_item-1);
222 menu->selected_item -= 1;
226 if (menu->selected_item >= menu->menu_length-1) break;
227 swap_item(menu, menu->selected_item, menu->selected_item+1);
228 menu->selected_item += 1;
232 delete_item(menu, menu->selected_item);
233 wclear(menu->sub_win);
239 /* insert_item(menu, menu->selected_item); */
240 insert_item(menu, 0);
241 wclear(menu->sub_win);
244 default: // This is here for debug, disable later
245 fprintf(stderr, "Invalid menu action");
252 render_menu(Menu* menu)
254 /* draw outer menu (prob dont need this every render) */
255 int menu_header_color;
257 /* menu_header_color = */
258 wattron(menu->menu_win, COLOR_PAIR(
259 (menu->focused == true) ?
260 TS_MENU_SELECTED: TS_MENU_NONSELECTED
262 mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
263 wattroff(menu->menu_win, COLOR_PAIR(0));
265 /* draw inner menu */
267 for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
272 /* wrap text by inserting newlines (maxwidth-1 for newline char)*/
273 wrapped_text = wrap_text(menu->menu_items[i]->contents, menu->max_width-1, &wrapped_lines);
275 /* color selected item */
276 wattron(menu->sub_win, COLOR_PAIR(
277 (i == menu->selected_item && menu->focused == true) ?
278 TS_SELECTED : TS_NONSELECTED
280 mvwprintw(menu->sub_win, cur_line, 0, wrapped_text);
281 wattroff(menu->sub_win, COLOR_PAIR(0));
283 cur_line += wrapped_lines;
289 wrefresh(menu->sub_win);
290 wrefresh(menu->menu_win);
296 free_menu(Menu* menu)