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 {
27 MenuItem** menu_items;
39 int swap_item(Menu* menu, int src_index, int dest_index);
42 int menu_insert_mode(Menu* menu, int insert_index);
44 /* prob temp for now */
45 MenuItem* create_blank_menuitem(void);
49 create_menuitem(char* title)
51 MenuItem* new_menuitem;
53 new_menuitem = malloc(sizeof(MenuItem));
54 new_menuitem->title = title;
55 new_menuitem->description = strdup(""); //TEMP FOR NOW
61 create_blank_menuitem(void)
63 return create_menuitem(strdup(""));
67 create_menu(char* menu_name, MenuItem** item_list)
71 new_menu = malloc(sizeof(Menu));
72 new_menu->menu_name = menu_name;
73 new_menu->menu_items = item_list;
74 new_menu->menu_length = array_length(MenuItem*, item_list);
75 new_menu->selected_item = 0;
76 new_menu->scroll_offset = 0;
77 new_menu->focused = false;
78 set_menu_win(new_menu, stdscr);
85 get_menu_win(Menu* menu)
87 return menu->menu_win;
91 get_menu_subwin(Menu* menu)
97 get_menu_item(Menu* menu, int index)
99 if (index < 0 || index >= menu->menu_length) return NULL;
101 return menu->menu_items[index];
105 get_selected_item(Menu* menu)
107 return menu->selected_item;
111 get_menu_length(Menu* menu)
113 return menu->menu_length;
117 get_menu_name(Menu* menu)
119 return menu->menu_name;
123 get_menuitem_title(MenuItem* menuitem)
125 return menuitem->title;
129 get_menuitem_descrip(MenuItem* menuitem)
131 return menuitem->description;
137 set_menu_win(Menu* menu, WINDOW* win)
141 menu->menu_win = win;
142 getmaxyx(menu->menu_win, height, width);
144 /* create a subwin (also prob free old subwin?) */
145 menu->max_height = height-MENU_PAD_TOP-MENU_PAD_BOTTOM;
146 menu->max_width = width-MENU_PAD_LEFT-MENU_PAD_RIGHT;
147 menu->sub_win = derwin(
159 set_selected_item(Menu* menu, int selected_item)
161 menu->selected_item = selected_item;
167 set_menu_focus(Menu* menu, bool focus)
169 menu->focused = focus;
176 swap_item(Menu* menu, int src_index, int dest_index)
178 ar_swap_item((void**)menu->menu_items, src_index, dest_index);
184 delete_item(Menu* menu, int index)
186 if (index < 0 || index > menu->menu_length-1) return -1;
188 for (int i = index; i <= menu->menu_length-1; i++) {
189 menu->menu_items[i] = menu->menu_items[i+1];
192 menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
193 menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
195 menu->menu_length -= 1;
197 /* also move the current selected position if it's last */
198 if (menu->selected_item > menu->menu_length-1) {
199 menu->selected_item = menu->menu_length-1;
202 wclear(menu->sub_win);
208 insert_item(Menu* menu, MenuItem* menuitem, int index)
209 { // note, this func does not validate index
211 /* resize array and insert */
212 menu->menu_items = realloc(menu->menu_items, (menu->menu_length+2)*sizeof(MenuItem*));
214 for (int i = menu->menu_length; i > index; i--) {
215 menu->menu_items[i] = menu->menu_items[i-1];
218 menu->menu_items[index] = menuitem;
219 menu->menu_items[menu->menu_length+1] = 0; // remember null at end
220 menu->menu_length += 1;
222 /* move cursor pos */
223 menu->selected_item = index;
229 menu_insert_mode(Menu* menu, int insert_index)
231 char temp[MAX_CONTENTS_LENGTH+1]; // remember null
235 wclear(menu->sub_win);
240 /* move cursor to right spot */
241 ungetstr(menu->menu_items[insert_index]->title);
242 mvwgetnstr(menu->sub_win,
243 insert_index, // account for wrap later too
251 new_contents = strdup(temp);
252 menu->menu_items[insert_index]->title = new_contents;
254 /* delete if empty - maybe move this to a cleanup stage */
255 if (strlen(new_contents) == 0) {
256 delete_item(menu, insert_index);
263 menu_driver(Menu* menu, MenuAction action)
268 menu->selected_item = menu->selected_item-1 >= 0 ? menu->selected_item-1 : 0;
272 menu->selected_item = menu->selected_item+1 <= menu->menu_length-1 ? menu->selected_item+1 : menu->menu_length-1;
276 menu->selected_item = 0;
280 menu->selected_item = menu->menu_length-1;
284 if (menu->selected_item <= 0) break;
285 swap_item(menu, menu->selected_item, menu->selected_item-1);
286 menu->selected_item -= 1;
290 if (menu->selected_item >= menu->menu_length-1) break;
291 swap_item(menu, menu->selected_item, menu->selected_item+1);
292 menu->selected_item += 1;
296 delete_item(menu, menu->selected_item);
300 insert_item(menu, create_blank_menuitem(), menu->menu_length);
301 menu_insert_mode(menu, menu->selected_item);
304 case MENU_INSERT_ABOVE:
305 insert_item(menu, create_blank_menuitem(), menu->selected_item);
306 menu_insert_mode(menu, menu->selected_item);
309 case MENU_INSERT_BELOW:
310 insert_item(menu, create_blank_menuitem(), menu->selected_item+1);
311 menu_insert_mode(menu, menu->selected_item); // inserted item is cur now
315 menu_insert_mode(menu, menu->selected_item);
318 default: // This is here for debug, disable later
319 fprintf(stderr, "Invalid menu action");
326 render_menu(Menu* menu)
328 /* draw outer menu (prob dont need this every render) */
329 int menu_header_color;
331 /* menu_header_color = */
332 wattron(menu->menu_win, COLOR_PAIR(
333 (menu->focused == true) ?
334 TS_MENU_SELECTED: TS_MENU_NONSELECTED
336 mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
337 wattroff(menu->menu_win, COLOR_PAIR(0));
339 /* draw inner menu */
341 for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
346 /* wrap text by inserting newlines (maxwidth-1 for newline char)*/
347 wrapped_text = wrap_text(menu->menu_items[i]->title, menu->max_width-1, &wrapped_lines);
349 /* color selected item */
350 wattron(menu->sub_win, COLOR_PAIR(
351 (i == menu->selected_item && menu->focused == true) ?
352 TS_SELECTED : TS_NONSELECTED
354 mvwprintw(menu->sub_win, cur_line, 0, wrapped_text);
355 wattroff(menu->sub_win, COLOR_PAIR(0));
357 cur_line += wrapped_lines;
359 /* display number of items */
360 /* if (menu->menu_items[i]->) */
366 wrefresh(menu->sub_win);
367 wrefresh(menu->menu_win);
373 free_menu(Menu* menu)