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 {
26 MenuItem** menu_items;
37 int swap_item(Menu* menu, int src_index, int dest_index);
40 int menu_insert_mode(Menu* menu, int insert_index);
42 /* prob temp for now */
43 MenuItem* create_blank_menuitem(void);
47 create_menuitem(char* title)
49 MenuItem* new_menuitem;
51 new_menuitem = malloc(sizeof(MenuItem));
52 new_menuitem->title = title;
53 new_menuitem->description = strdup(""); //TEMP FOR NOW
59 create_blank_menuitem(void)
61 return create_menuitem(strdup(""));
65 create_menu(char* menu_name, MenuItem** item_list)
69 new_menu = malloc(sizeof(Menu));
70 new_menu->menu_name = menu_name;
71 new_menu->menu_items = item_list;
72 new_menu->menu_length = array_length(MenuItem*, item_list);
73 new_menu->selected_item = 0;
74 new_menu->scroll_offset = 0;
75 new_menu->focused = false;
76 set_menu_win(new_menu, stdscr);
83 get_menu_win(Menu* menu)
85 return menu->menu_win;
89 get_menu_subwin(Menu* menu)
95 get_menu_item(Menu* menu, int index)
97 if (index < 0 || index >= menu->menu_length) return NULL;
99 return menu->menu_items[index];
103 get_selected_item(Menu* menu)
105 return menu->selected_item;
109 get_menu_length(Menu* menu)
111 return menu->menu_length;
115 get_menu_name(Menu* menu)
117 return menu->menu_name;
121 get_menuitem_title(MenuItem* menuitem)
123 return menuitem->title;
127 get_menuitem_descrip(MenuItem* menuitem)
129 return menuitem->description;
135 set_menu_win(Menu* menu, WINDOW* win)
139 menu->menu_win = win;
140 getmaxyx(menu->menu_win, height, width);
142 /* create a subwin (also prob free old subwin?) */
143 menu->max_height = height-MENU_PAD_TOP-MENU_PAD_BOTTOM;
144 menu->max_width = width-MENU_PAD_LEFT-MENU_PAD_RIGHT;
145 menu->sub_win = derwin(
157 set_selected_item(Menu* menu, int selected_item)
159 menu->selected_item = selected_item;
165 set_menu_focus(Menu* menu, bool focus)
167 menu->focused = focus;
174 swap_item(Menu* menu, int src_index, int dest_index)
176 ar_swap_item((void**)menu->menu_items, src_index, dest_index);
182 delete_item(Menu* menu, int index)
184 if (index < 0 || index > menu->menu_length-1) return -1;
186 for (int i = index; i <= menu->menu_length-1; i++) {
187 menu->menu_items[i] = menu->menu_items[i+1];
190 menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
191 menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
193 menu->menu_length -= 1;
195 /* also move the current selected position if it's last */
196 if (menu->selected_item > menu->menu_length-1) {
197 menu->selected_item = menu->menu_length-1;
200 wclear(menu->sub_win);
206 insert_item(Menu* menu, MenuItem* menuitem, int index)
207 { // note, this func does not validate index
209 /* resize array and insert */
210 menu->menu_items = realloc(menu->menu_items, (menu->menu_length+2)*sizeof(MenuItem*));
212 for (int i = menu->menu_length; i > index; i--) {
213 menu->menu_items[i] = menu->menu_items[i-1];
216 menu->menu_items[index] = menuitem;
217 menu->menu_items[menu->menu_length+1] = 0; // remember null at end
218 menu->menu_length += 1;
220 /* move cursor pos */
221 menu->selected_item = index;
227 menu_insert_mode(Menu* menu, int insert_index)
229 char temp[MAX_CONTENTS_LENGTH+1]; // remember null
233 wclear(menu->sub_win);
238 /* move cursor to right spot */
239 ungetstr(menu->menu_items[insert_index]->title);
240 mvwgetnstr(menu->sub_win,
241 insert_index, // account for wrap later too
249 new_contents = strdup(temp);
250 menu->menu_items[insert_index]->title = new_contents;
252 /* delete if empty - maybe move this to a cleanup stage */
253 if (strlen(new_contents) == 0) {
254 delete_item(menu, insert_index);
261 menu_driver(Menu* menu, MenuAction action)
266 menu->selected_item = menu->selected_item-1 >= 0 ? menu->selected_item-1 : 0;
270 menu->selected_item = menu->selected_item+1 <= menu->menu_length-1 ? menu->selected_item+1 : menu->menu_length-1;
274 menu->selected_item = 0;
278 menu->selected_item = menu->menu_length-1;
282 if (menu->selected_item <= 0) break;
283 swap_item(menu, menu->selected_item, menu->selected_item-1);
284 menu->selected_item -= 1;
288 if (menu->selected_item >= menu->menu_length-1) break;
289 swap_item(menu, menu->selected_item, menu->selected_item+1);
290 menu->selected_item += 1;
294 delete_item(menu, menu->selected_item);
298 insert_item(menu, create_blank_menuitem(), menu->menu_length);
299 menu_insert_mode(menu, menu->selected_item);
302 case MENU_INSERT_ABOVE:
303 insert_item(menu, create_blank_menuitem(), menu->selected_item);
304 menu_insert_mode(menu, menu->selected_item);
307 case MENU_INSERT_BELOW:
308 insert_item(menu, create_blank_menuitem(), menu->selected_item+1);
309 menu_insert_mode(menu, menu->selected_item); // inserted item is cur now
313 menu_insert_mode(menu, menu->selected_item);
316 default: // This is here for debug, disable later
317 fprintf(stderr, "Invalid menu action");
324 render_menu(Menu* menu)
326 /* draw outer menu (prob dont need this every render) */
327 int menu_header_color;
329 /* menu_header_color = */
330 wattron(menu->menu_win, COLOR_PAIR(
331 (menu->focused == true) ?
332 TS_MENU_SELECTED: TS_MENU_NONSELECTED
334 mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
335 wattroff(menu->menu_win, COLOR_PAIR(0));
337 /* draw inner menu */
339 for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
344 /* wrap text by inserting newlines (maxwidth-1 for newline char)*/
345 wrapped_text = wrap_text(menu->menu_items[i]->title, menu->max_width-1, &wrapped_lines);
347 /* color selected item */
348 wattron(menu->sub_win, COLOR_PAIR(
349 (i == menu->selected_item && menu->focused == true) ?
350 TS_SELECTED : TS_NONSELECTED
352 mvwprintw(menu->sub_win, cur_line, 0, wrapped_text);
353 wattroff(menu->sub_win, COLOR_PAIR(0));
355 cur_line += wrapped_lines;
357 /* display number of items */
358 /* if (menu->menu_items[i]->) */
364 wrefresh(menu->sub_win);
365 wrefresh(menu->menu_win);
371 free_menu(Menu* menu)