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 {
22 MenuItem** menu_items;
33 int swap_item(Menu* menu, int src_index, int dest_index);
34 int delete_item(Menu* menu, int index);
37 create_menuitem(char* contents)
39 MenuItem* new_menuitem;
41 new_menuitem = malloc(sizeof(MenuItem));
42 new_menuitem->contents = contents;
48 create_menu(MenuItem** item_list)
52 new_menu = malloc(sizeof(Menu));
53 new_menu->menu_items = item_list;
54 new_menu->menu_length = array_length(MenuItem*, item_list);
55 new_menu->selected_item = 0;
56 new_menu->scroll_offset = 0;
57 new_menu->focused = false;
58 set_menu_win(new_menu, stdscr);
64 set_menu_win(Menu* menu, WINDOW* win)
69 getmaxyx(menu->menu_win, height, width);
71 /* create a subwin (also prob free old subwin?) */
72 menu->max_height = height-MENU_PAD_TOP-MENU_PAD_BOTTOM;
73 menu->max_width = width-MENU_PAD_LEFT-MENU_PAD_RIGHT;
74 menu->sub_win = derwin(
86 get_menu_items(Menu* menu)
92 set_menu_focus(Menu* menu, bool focus)
94 menu->focused = focus;
100 swap_item(Menu* menu, int src_index, int dest_index)
104 temp = menu->menu_items[dest_index];
105 menu->menu_items[dest_index] = menu->menu_items[src_index];
106 menu->menu_items[src_index] = temp;
112 delete_item(Menu* menu, int index)
114 if (index < 0 || index > menu->menu_length-1) return -1;
116 int temp_size = (menu->menu_length-index-1)*sizeof(MenuItem*);
117 MenuItem* temp[temp_size];
119 /* might break if last item? */
120 memcpy(temp, menu->menu_items[index+1], temp_size);
121 memcpy(menu->menu_items[index], temp, temp_size);
123 menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
124 menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
126 menu->menu_length -= 1;
128 /* also move the current selected position if it's last */
129 if (menu->selected_item > menu->menu_length-1) {
130 menu->selected_item = menu->menu_length-1;
137 menu_driver(Menu* menu, MenuAction action)
142 menu->selected_item = menu->selected_item-1 >= 0 ? menu->selected_item-1 : 0;
146 menu->selected_item = menu->selected_item+1 <= menu->menu_length-1 ? menu->selected_item+1 : menu->menu_length-1;
150 menu->selected_item = 0;
154 menu->selected_item = menu->menu_length-1;
158 if (menu->selected_item <= 0) break;
159 swap_item(menu, menu->selected_item, menu->selected_item-1);
160 menu->selected_item -= 1;
164 if (menu->selected_item >= menu->menu_length-1) break;
165 swap_item(menu, menu->selected_item, menu->selected_item+1);
166 menu->selected_item += 1;
170 delete_item(menu, menu->selected_item);
171 wclear(menu->sub_win);
174 default: // This is here for debug, disable later
175 fprintf(stderr, "Invalid menu action");
182 render_menu(Menu* menu)
184 /* draw outer menu (prob dont need this every render) */
185 int menu_header_color;
187 /* menu_header_color = */
188 wattron(menu->menu_win, COLOR_PAIR(
189 (menu->focused == true) ?
190 TS_MENU_SELECTED: TS_MENU_NONSELECTED
192 mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, "TODO");
193 wattroff(menu->menu_win, COLOR_PAIR(0));
195 /* draw inner menu */
197 for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
202 /* wrap text by inserting newlines (maxwidth-1 for newline char)*/
203 wrapped_text = wrap_text(menu->menu_items[i]->contents, menu->max_width-1, &wrapped_lines);
205 /* color selected item */
206 wattron(menu->sub_win, COLOR_PAIR(
207 (i == menu->selected_item && menu->focused == true) ?
208 TS_SELECTED : TS_NONSELECTED
210 mvwprintw(menu->sub_win, cur_line, 0, wrapped_text);
211 wattroff(menu->sub_win, COLOR_PAIR(0));
213 cur_line += wrapped_lines;
219 wrefresh(menu->sub_win);
220 wrefresh(menu->menu_win);
226 free_menu(Menu* menu)