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 typedef struct MenuItem {
23 MenuItem** menu_items;
34 int swap_item(Menu* menu, int src_index, int dest_index);
35 int delete_item(Menu* menu, int index);
38 create_menuitem(char* contents)
40 MenuItem* new_menuitem;
42 new_menuitem = malloc(sizeof(MenuItem));
43 new_menuitem->contents = contents;
49 create_menu(char* menu_name, MenuItem** item_list)
53 new_menu = malloc(sizeof(Menu));
54 new_menu->menu_name = menu_name;
55 new_menu->menu_items = item_list;
56 new_menu->menu_length = array_length(MenuItem*, item_list);
57 new_menu->selected_item = 0;
58 new_menu->scroll_offset = 0;
59 new_menu->focused = false;
60 set_menu_win(new_menu, stdscr);
66 set_menu_win(Menu* menu, WINDOW* win)
71 getmaxyx(menu->menu_win, height, width);
73 /* create a subwin (also prob free old subwin?) */
74 menu->max_height = height-MENU_PAD_TOP-MENU_PAD_BOTTOM;
75 menu->max_width = width-MENU_PAD_LEFT-MENU_PAD_RIGHT;
76 menu->sub_win = derwin(
88 get_menu_items(Menu* menu)
94 set_menu_focus(Menu* menu, bool focus)
96 menu->focused = focus;
102 get_selected_item(Menu* menu)
104 return menu->selected_item;
108 set_selected_item(Menu* menu, int selected_item)
110 menu->selected_item = selected_item;
116 get_menu_length(Menu* menu)
118 return menu->menu_length;
122 swap_item(Menu* menu, int src_index, int dest_index)
126 temp = menu->menu_items[dest_index];
127 menu->menu_items[dest_index] = menu->menu_items[src_index];
128 menu->menu_items[src_index] = temp;
134 delete_item(Menu* menu, int index)
136 if (index < 0 || index > menu->menu_length-1) return -1;
138 int temp_size = (menu->menu_length-index-1)*sizeof(MenuItem*);
139 MenuItem* temp[temp_size];
141 /* might break if last item? */
142 memcpy(temp, menu->menu_items[index+1], temp_size);
143 memcpy(menu->menu_items[index], temp, temp_size);
145 menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
146 menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
148 menu->menu_length -= 1;
150 /* also move the current selected position if it's last */
151 if (menu->selected_item > menu->menu_length-1) {
152 menu->selected_item = menu->menu_length-1;
159 menu_driver(Menu* menu, MenuAction action)
164 menu->selected_item = menu->selected_item-1 >= 0 ? menu->selected_item-1 : 0;
168 menu->selected_item = menu->selected_item+1 <= menu->menu_length-1 ? menu->selected_item+1 : menu->menu_length-1;
172 menu->selected_item = 0;
176 menu->selected_item = menu->menu_length-1;
180 if (menu->selected_item <= 0) break;
181 swap_item(menu, menu->selected_item, menu->selected_item-1);
182 menu->selected_item -= 1;
186 if (menu->selected_item >= menu->menu_length-1) break;
187 swap_item(menu, menu->selected_item, menu->selected_item+1);
188 menu->selected_item += 1;
192 delete_item(menu, menu->selected_item);
193 wclear(menu->sub_win);
196 default: // This is here for debug, disable later
197 fprintf(stderr, "Invalid menu action");
204 render_menu(Menu* menu)
206 /* draw outer menu (prob dont need this every render) */
207 int menu_header_color;
209 /* menu_header_color = */
210 wattron(menu->menu_win, COLOR_PAIR(
211 (menu->focused == true) ?
212 TS_MENU_SELECTED: TS_MENU_NONSELECTED
214 mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
215 wattroff(menu->menu_win, COLOR_PAIR(0));
217 /* draw inner menu */
219 for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
224 /* wrap text by inserting newlines (maxwidth-1 for newline char)*/
225 wrapped_text = wrap_text(menu->menu_items[i]->contents, menu->max_width-1, &wrapped_lines);
227 /* color selected item */
228 wattron(menu->sub_win, COLOR_PAIR(
229 (i == menu->selected_item && menu->focused == true) ?
230 TS_SELECTED : TS_NONSELECTED
232 mvwprintw(menu->sub_win, cur_line, 0, wrapped_text);
233 wattroff(menu->sub_win, COLOR_PAIR(0));
235 cur_line += wrapped_lines;
241 wrefresh(menu->sub_win);
242 wrefresh(menu->menu_win);
248 free_menu(Menu* menu)