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* contents)
49 MenuItem* new_menuitem;
51 new_menuitem = malloc(sizeof(MenuItem));
52 new_menuitem->contents = contents;
58 create_blank_menuitem(void)
60 return create_menuitem(strdup(""));
64 create_menu(char* menu_name, MenuItem** item_list)
68 new_menu = malloc(sizeof(Menu));
69 new_menu->menu_name = menu_name;
70 new_menu->menu_items = item_list;
71 new_menu->menu_length = array_length(MenuItem*, item_list);
72 new_menu->selected_item = 0;
73 new_menu->scroll_offset = 0;
74 new_menu->focused = false;
75 set_menu_win(new_menu, stdscr);
81 get_menu_win(Menu* menu)
83 return menu->menu_win;
87 set_menu_win(Menu* menu, WINDOW* win)
92 getmaxyx(menu->menu_win, height, width);
94 /* create a subwin (also prob free old subwin?) */
95 menu->max_height = height-MENU_PAD_TOP-MENU_PAD_BOTTOM;
96 menu->max_width = width-MENU_PAD_LEFT-MENU_PAD_RIGHT;
97 menu->sub_win = derwin(
109 get_menu_subwin(Menu* menu)
111 return menu->sub_win;
115 get_menu_item(Menu* menu, int index)
117 if (index < 0 || index >= menu->menu_length) return NULL;
119 return menu->menu_items[index];
123 set_menu_focus(Menu* menu, bool focus)
125 menu->focused = focus;
131 get_selected_item(Menu* menu)
133 return menu->selected_item;
137 set_selected_item(Menu* menu, int selected_item)
139 menu->selected_item = selected_item;
145 get_menu_length(Menu* menu)
147 return menu->menu_length;
151 get_menu_name(Menu* menu)
153 return menu->menu_name;
157 swap_item(Menu* menu, int src_index, int dest_index)
159 ar_swap_item(menu->menu_items, src_index, dest_index);
165 delete_item(Menu* menu, int index)
167 if (index < 0 || index > menu->menu_length-1) return -1;
169 for (int i = index; i <= menu->menu_length-1; i++) {
170 menu->menu_items[i] = menu->menu_items[i+1];
173 menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
174 menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
176 menu->menu_length -= 1;
178 /* also move the current selected position if it's last */
179 if (menu->selected_item > menu->menu_length-1) {
180 menu->selected_item = menu->menu_length-1;
183 wclear(menu->sub_win);
189 insert_item(Menu* menu, MenuItem* menuitem, int index)
190 { // note, this func does not validate index
192 /* resize array and insert */
193 menu->menu_items = realloc(menu->menu_items, (menu->menu_length+2)*sizeof(MenuItem*));
195 for (int i = menu->menu_length; i > index; i--) {
196 menu->menu_items[i] = menu->menu_items[i-1];
199 menu->menu_items[index] = menuitem;
200 menu->menu_items[menu->menu_length+1] = 0; // remember null at end
201 menu->menu_length += 1;
203 /* move cursor pos */
204 menu->selected_item = index;
210 menu_insert_mode(Menu* menu, int insert_index)
212 char temp[MAX_CONTENTS_LENGTH+1]; // remember null
216 wclear(menu->sub_win);
221 /* move cursor to right spot */
222 ungetstr(menu->menu_items[insert_index]->contents);
223 mvwgetnstr(menu->sub_win,
224 insert_index, // account for wrap later too
232 new_contents = strdup(temp);
233 menu->menu_items[insert_index]->contents = new_contents;
235 /* delete if empty - maybe move this to a cleanup stage */
236 if (strlen(new_contents) == 0) {
237 delete_item(menu, insert_index);
244 menu_driver(Menu* menu, MenuAction action)
249 menu->selected_item = menu->selected_item-1 >= 0 ? menu->selected_item-1 : 0;
253 menu->selected_item = menu->selected_item+1 <= menu->menu_length-1 ? menu->selected_item+1 : menu->menu_length-1;
257 menu->selected_item = 0;
261 menu->selected_item = menu->menu_length-1;
265 if (menu->selected_item <= 0) break;
266 swap_item(menu, menu->selected_item, menu->selected_item-1);
267 menu->selected_item -= 1;
271 if (menu->selected_item >= menu->menu_length-1) break;
272 swap_item(menu, menu->selected_item, menu->selected_item+1);
273 menu->selected_item += 1;
277 delete_item(menu, menu->selected_item);
281 insert_item(menu, create_blank_menuitem(), menu->menu_length);
282 menu_insert_mode(menu, menu->selected_item);
285 case MENU_INSERT_ABOVE:
286 insert_item(menu, create_blank_menuitem(), menu->selected_item);
287 menu_insert_mode(menu, menu->selected_item);
290 case MENU_INSERT_BELOW:
291 insert_item(menu, create_blank_menuitem(), menu->selected_item+1);
292 menu_insert_mode(menu, menu->selected_item); // inserted item is cur now
296 menu_insert_mode(menu, menu->selected_item);
299 default: // This is here for debug, disable later
300 fprintf(stderr, "Invalid menu action");
307 render_menu(Menu* menu)
309 /* draw outer menu (prob dont need this every render) */
310 int menu_header_color;
312 /* menu_header_color = */
313 wattron(menu->menu_win, COLOR_PAIR(
314 (menu->focused == true) ?
315 TS_MENU_SELECTED: TS_MENU_NONSELECTED
317 mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
318 wattroff(menu->menu_win, COLOR_PAIR(0));
320 /* draw inner menu */
322 for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
327 /* wrap text by inserting newlines (maxwidth-1 for newline char)*/
328 wrapped_text = wrap_text(menu->menu_items[i]->contents, menu->max_width-1, &wrapped_lines);
330 /* color selected item */
331 wattron(menu->sub_win, COLOR_PAIR(
332 (i == menu->selected_item && menu->focused == true) ?
333 TS_SELECTED : TS_NONSELECTED
335 mvwprintw(menu->sub_win, cur_line, 0, wrapped_text);
336 wattroff(menu->sub_win, COLOR_PAIR(0));
338 cur_line += wrapped_lines;
340 /* display number of items */
341 /* if (menu->menu_items[i]->) */
347 wrefresh(menu->sub_win);
348 wrefresh(menu->menu_win);
354 free_menu(Menu* menu)