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 swap_item(Menu* menu, int src_index, int dest_index)
106 temp = menu->menu_items[dest_index];
107 menu->menu_items[dest_index] = menu->menu_items[src_index];
108 menu->menu_items[src_index] = temp;
114 delete_item(Menu* menu, int index)
116 if (index < 0 || index > menu->menu_length-1) return -1;
118 int temp_size = (menu->menu_length-index-1)*sizeof(MenuItem*);
119 MenuItem* temp[temp_size];
121 /* might break if last item? */
122 memcpy(temp, menu->menu_items[index+1], temp_size);
123 memcpy(menu->menu_items[index], temp, temp_size);
125 menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
126 menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
128 menu->menu_length -= 1;
130 /* also move the current selected position if it's last */
131 if (menu->selected_item > menu->menu_length-1) {
132 menu->selected_item = menu->menu_length-1;
139 menu_driver(Menu* menu, MenuAction action)
144 menu->selected_item = menu->selected_item-1 >= 0 ? menu->selected_item-1 : 0;
148 menu->selected_item = menu->selected_item+1 <= menu->menu_length-1 ? menu->selected_item+1 : menu->menu_length-1;
152 menu->selected_item = 0;
156 menu->selected_item = menu->menu_length-1;
160 if (menu->selected_item <= 0) break;
161 swap_item(menu, menu->selected_item, menu->selected_item-1);
162 menu->selected_item -= 1;
166 if (menu->selected_item >= menu->menu_length-1) break;
167 swap_item(menu, menu->selected_item, menu->selected_item+1);
168 menu->selected_item += 1;
172 delete_item(menu, menu->selected_item);
173 wclear(menu->sub_win);
176 default: // This is here for debug, disable later
177 fprintf(stderr, "Invalid menu action");
184 render_menu(Menu* menu)
186 /* draw outer menu (prob dont need this every render) */
187 int menu_header_color;
189 /* menu_header_color = */
190 wattron(menu->menu_win, COLOR_PAIR(
191 (menu->focused == true) ?
192 TS_MENU_SELECTED: TS_MENU_NONSELECTED
194 mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
195 wattroff(menu->menu_win, COLOR_PAIR(0));
197 /* draw inner menu */
199 for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
204 /* wrap text by inserting newlines (maxwidth-1 for newline char)*/
205 wrapped_text = wrap_text(menu->menu_items[i]->contents, menu->max_width-1, &wrapped_lines);
207 /* color selected item */
208 wattron(menu->sub_win, COLOR_PAIR(
209 (i == menu->selected_item && menu->focused == true) ?
210 TS_SELECTED : TS_NONSELECTED
212 mvwprintw(menu->sub_win, cur_line, 0, wrapped_text);
213 wattroff(menu->sub_win, COLOR_PAIR(0));
215 cur_line += wrapped_lines;
221 wrefresh(menu->sub_win);
222 wrefresh(menu->menu_win);
228 free_menu(Menu* menu)