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;
52 TodoItem* new_userdata;
54 new_menuitem = malloc(sizeof(MenuItem));
55 new_menuitem->title = title;
56 new_menuitem->description = strdup(""); //TEMP FOR NOW
58 new_userdata = malloc(sizeof(TodoItem));
59 new_userdata->item_name = title;
60 new_userdata->description = strdup("");
61 new_userdata->due = strdup("");
62 new_userdata->subtask_list = malloc(0);
63 new_userdata->subtask_count = 0;
65 new_menuitem->userdata = new_userdata;
71 create_blank_menuitem(void)
73 return create_menuitem(strdup(""));
77 create_menu(char* menu_name, MenuItem** item_list)
81 new_menu = malloc(sizeof(Menu));
82 new_menu->menu_name = menu_name;
83 new_menu->menu_items = item_list;
84 new_menu->menu_length = array_length(MenuItem*, item_list);
85 new_menu->selected_item = 0;
86 new_menu->scroll_offset = 0;
87 new_menu->focused = false;
88 set_menu_win(new_menu, stdscr);
95 get_menu_win(Menu* menu)
97 return menu->menu_win;
101 get_menu_subwin(Menu* menu)
103 return menu->sub_win;
107 get_menu_item(Menu* menu, int index)
109 if (index < 0 || index >= menu->menu_length) return NULL;
111 return menu->menu_items[index];
115 get_selected_item(Menu* menu)
117 return menu->selected_item;
121 get_menu_length(Menu* menu)
123 return menu->menu_length;
127 get_menu_name(Menu* menu)
129 return menu->menu_name;
133 get_menu_userdata(Menu* menu)
135 return menu->userdata;
139 get_menuitem_title(MenuItem* menuitem)
141 return menuitem->title;
145 get_menuitem_descrip(MenuItem* menuitem)
147 return menuitem->description;
151 get_menuitem_userdata(MenuItem* menuitem)
153 return menuitem->userdata;
159 set_menu_win(Menu* menu, WINDOW* win)
163 menu->menu_win = win;
164 getmaxyx(menu->menu_win, height, width);
166 /* create a subwin (also prob free old subwin?) */
167 menu->max_height = height-MENU_PAD_TOP-MENU_PAD_BOTTOM;
168 menu->max_width = width-MENU_PAD_LEFT-MENU_PAD_RIGHT;
169 menu->sub_win = derwin(
181 set_selected_item(Menu* menu, int selected_item)
183 menu->selected_item = selected_item;
188 set_menu_focus(Menu* menu, bool focus)
190 menu->focused = focus;
195 set_menu_userdata(Menu* menu, void* userdata)
197 menu->userdata = userdata;
202 set_menuitem_descrip(MenuItem* menuitem, char* descrip)
204 menuitem->description = descrip;
209 set_menuitem_userdata(MenuItem* menuitem, void* userdata)
211 menuitem->userdata = userdata;
217 swap_item(Menu* menu, int src_index, int dest_index)
219 ar_swap_item((void**)menu->menu_items, src_index, dest_index);
225 delete_item(Menu* menu, int index)
227 if (index < 0 || index > menu->menu_length-1) return -1;
229 for (int i = index; i <= menu->menu_length-1; i++) {
230 menu->menu_items[i] = menu->menu_items[i+1];
233 menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
234 menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
236 menu->menu_length -= 1;
238 /* also move the current selected position if it's last */
239 if (menu->selected_item > menu->menu_length-1) {
240 menu->selected_item = menu->menu_length-1;
247 insert_item(Menu* menu, MenuItem* menuitem, int index)
248 { // note, this func does not validate index
250 /* resize array and insert */
251 menu->menu_items = realloc(menu->menu_items, (menu->menu_length+2)*sizeof(MenuItem*));
253 for (int i = menu->menu_length; i > index; i--) {
254 menu->menu_items[i] = menu->menu_items[i-1];
257 menu->menu_items[index] = menuitem;
258 menu->menu_items[menu->menu_length+1] = 0; // remember null at end
259 menu->menu_length += 1;
261 /* move cursor pos */
262 menu->selected_item = index;
268 menu_insert_mode(Menu* menu, int insert_index)
270 char temp[MAX_CONTENTS_LENGTH+1]; // remember null
275 /* move cursor to right spot */
276 ungetstr(menu->menu_items[insert_index]->title);
277 mvwgetnstr(menu->sub_win,
278 insert_index, // account for wrap later too
286 new_contents = strdup(temp);
287 menu->menu_items[insert_index]->title = new_contents;
289 /* delete if empty - maybe move this to a cleanup stage */
290 if (strlen(new_contents) == 0) {
291 delete_item(menu, insert_index);
298 menu_driver(Menu* menu, MenuAction action)
303 menu->selected_item = menu->selected_item-1 >= 0 ? menu->selected_item-1 : 0;
307 menu->selected_item = menu->selected_item+1 <= menu->menu_length-1 ? menu->selected_item+1 : menu->menu_length-1;
311 menu->selected_item = 0;
315 menu->selected_item = menu->menu_length-1;
319 if (menu->selected_item <= 0) break;
320 swap_item(menu, menu->selected_item, menu->selected_item-1);
321 menu->selected_item -= 1;
325 if (menu->selected_item >= menu->menu_length-1) break;
326 swap_item(menu, menu->selected_item, menu->selected_item+1);
327 menu->selected_item += 1;
331 delete_item(menu, menu->selected_item);
335 insert_item(menu, create_blank_menuitem(), menu->menu_length);
336 menu_insert_mode(menu, menu->selected_item);
339 case MENU_INSERT_ABOVE:
340 insert_item(menu, create_blank_menuitem(), menu->selected_item);
341 menu_insert_mode(menu, menu->selected_item);
344 case MENU_INSERT_BELOW:
345 insert_item(menu, create_blank_menuitem(), menu->selected_item+1);
346 menu_insert_mode(menu, menu->selected_item); // inserted item is cur now
350 menu_insert_mode(menu, menu->selected_item);
353 default: // This is here for debug, disable later
354 fprintf(stderr, "Invalid menu action");
361 render_menu(Menu* menu)
363 /* draw outer menu (prob dont need this every render) */
364 /* wclear(menu->menu_win); */
365 wattron(menu->menu_win, COLOR_PAIR(
366 (menu->focused == true) ?
367 TS_MENU_SELECTED: TS_MENU_NONSELECTED
369 mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
370 wattroff(menu->menu_win, COLOR_PAIR(0));
372 /* draw inner menu */
373 wclear(menu->sub_win);
376 for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
382 curitem = menu->menu_items[i];
384 /* wrap text by inserting newlines (maxwidth-1 for newline char)*/
385 wrapped_text = wrap_text(curitem->title, menu->max_width-1, &wrapped_lines);
387 /* color selected item */
388 wattron(menu->sub_win, COLOR_PAIR(
389 (i == menu->selected_item && menu->focused == true) ?
390 TS_SELECTED : TS_NONSELECTED
392 mvwprintw(menu->sub_win, cur_line, 0, wrapped_text);
393 wattroff(menu->sub_win, COLOR_PAIR(0));
395 cur_line += wrapped_lines;
397 /* display number of items */
398 if (strlen(curitem->description) > 0) {
399 mvwprintw(menu->sub_win, cur_line, 0, curitem->description);
407 wrefresh(menu->sub_win);
408 wrefresh(menu->menu_win);
414 free_menu(Menu* menu)