#include "headers/utils.h"
#define MENU_PAD_TOP 2
-#define MENU_PAD_BOTTOM 1
+#define MENU_PAD_BOTTOM 2
#define MENU_PAD_LEFT 2
#define MENU_PAD_RIGHT 1
+#define MAX_CONTENTS_LENGTH 256
+
typedef struct MenuItem {
- char* contents;
+ char* title;
+ char* description;
+ void* userdata;
} MenuItem;
typedef struct Menu {
int scroll_offset;
bool focused;
WINDOW* menu_win;
- WINDOW* sub_win;
int max_height;
int max_width;
+ void* userdata;
+ void (*render_item)(Menu*, int, int);
+ int (*item_height)(MenuItem*);
} Menu;
int swap_item(Menu* menu, int src_index, int dest_index);
-int delete_item(Menu* menu, int index);
+
+/* insert mode */
+int menu_insert_mode(Menu* menu, int insert_index);
+
+/* prob temp for now */
+MenuItem* create_blank_menuitem(void);
+
+/* rendering stuff */
+void default_render_item(Menu* menu, int item_index, int start_y);
+int default_item_height(MenuItem* menuitem);
+int items_visible(Menu* menu, int offset);
+int items_visible_rev(Menu* menu, int offset);
MenuItem*
-create_menuitem(char* contents)
+create_menuitem(char* title)
{
MenuItem* new_menuitem;
+ TodoItem* new_userdata;
new_menuitem = malloc(sizeof(MenuItem));
- new_menuitem->contents = contents;
+ new_menuitem->title = title;
+ new_menuitem->description = strdup(""); //TEMP FOR NOW
+
+ new_userdata = malloc(sizeof(TodoItem));
+ new_userdata->item_name = title;
+ new_userdata->description = strdup("");
+ new_userdata->due = strdup("");
+ new_userdata->subtask_list = malloc(0);
+ new_userdata->subtask_count = 0;
+
+ new_menuitem->userdata = new_userdata;
return new_menuitem;
}
+MenuItem*
+create_blank_menuitem(void)
+{
+ return create_menuitem(strdup(""));
+}
+
Menu*
create_menu(char* menu_name, MenuItem** item_list)
{
new_menu->selected_item = 0;
new_menu->scroll_offset = 0;
new_menu->focused = false;
+ new_menu->userdata = NULL;
+ new_menu->render_item = *default_render_item;
+ new_menu->item_height = *default_item_height;
set_menu_win(new_menu, stdscr);
return new_menu;
}
+/* getters */
+WINDOW*
+get_menu_win(Menu* menu)
+{
+ return menu->menu_win;
+}
+
+MenuItem*
+get_menu_item(Menu* menu, int index)
+{
+ if (index < 0 || index >= menu->menu_length) return NULL;
+
+ return menu->menu_items[index];
+}
+
+MenuItem**
+get_menu_itemlist(Menu* menu)
+{
+ return menu->menu_items;
+}
+
+int
+get_selected_item(Menu* menu)
+{
+ return menu->selected_item;
+}
+
+MenuItem*
+get_selected_menuitem(Menu* menu)
+{
+ return get_menu_item(menu, get_selected_item(menu));
+}
+
+bool
+get_menu_focused(Menu* menu)
+{
+ return menu->focused;
+}
+
+int
+get_menu_length(Menu* menu)
+{
+ return menu->menu_length;
+}
+
+char*
+get_menu_name(Menu* menu)
+{
+ return menu->menu_name;
+}
+
+void*
+get_menu_userdata(Menu* menu)
+{
+ return menu->userdata;
+}
+
+char*
+get_menuitem_title(MenuItem* menuitem)
+{
+ return menuitem->title;
+}
+
+char*
+get_menuitem_descrip(MenuItem* menuitem)
+{
+ return menuitem->description;
+}
+
+void*
+get_menuitem_userdata(MenuItem* menuitem)
+{
+ return menuitem->userdata;
+}
+
+
+/* setters */
int
set_menu_win(Menu* menu, WINDOW* win)
{
menu->menu_win = win;
getmaxyx(menu->menu_win, height, width);
- /* create a subwin (also prob free old subwin?) */
menu->max_height = height-MENU_PAD_TOP-MENU_PAD_BOTTOM;
menu->max_width = width-MENU_PAD_LEFT-MENU_PAD_RIGHT;
- menu->sub_win = derwin(
- menu->menu_win,
- menu->max_height,
- menu->max_width,
- MENU_PAD_TOP,
- MENU_PAD_LEFT
- );
return 0;
}
-MenuItem*
-get_menu_items(Menu* menu)
+int
+set_selected_item(Menu* menu, int selected_item)
{
- return NULL;
+ menu->selected_item = selected_item;
+ return 0;
}
int
set_menu_focus(Menu* menu, bool focus)
{
menu->focused = focus;
-
return 0;
}
int
-get_selected_item(Menu* menu)
+set_menu_userdata(Menu* menu, void* userdata)
{
- return menu->selected_item;
+ menu->userdata = userdata;
+ return 0;
}
int
-set_selected_item(Menu* menu, int selected_item)
+set_menu_renderitem(Menu* menu, void (*render_item)(Menu*, int, int))
{
- menu->selected_item = selected_item;
+ menu->render_item = render_item;
+ return 0;
+}
+int
+set_menu_itemheight(Menu* menu, int (*item_height)(MenuItem*))
+{
+ menu->item_height = item_height;
return 0;
}
int
-get_menu_length(Menu* menu)
+set_menuitem_title(MenuItem* menuitem, char* title)
{
- return menu->menu_length;
+ menuitem->title = title;
+ return 0;
}
int
-swap_item(Menu* menu, int src_index, int dest_index)
+set_menuitem_descrip(MenuItem* menuitem, char* descrip)
+{
+ menuitem->description = descrip;
+ return 0;
+}
+
+int
+set_menuitem_userdata(MenuItem* menuitem, void* userdata)
{
- MenuItem* temp;
+ menuitem->userdata = userdata;
+ return 0;
+}
- temp = menu->menu_items[dest_index];
- menu->menu_items[dest_index] = menu->menu_items[src_index];
- menu->menu_items[src_index] = temp;
+
+int
+swap_item(Menu* menu, int src_index, int dest_index)
+{
+ ar_swap_item((void**)menu->menu_items, src_index, dest_index);
return 0;
}
{
if (index < 0 || index > menu->menu_length-1) return -1;
- int temp_size = (menu->menu_length-index-1)*sizeof(MenuItem*);
- MenuItem* temp[temp_size];
-
- /* might break if last item? */
- memcpy(temp, menu->menu_items[index+1], temp_size);
- memcpy(menu->menu_items[index], temp, temp_size);
+ for (int i = index; i <= menu->menu_length-1; i++) {
+ menu->menu_items[i] = menu->menu_items[i+1];
+ }
menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*));
menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
return 0;
}
+int
+insert_item(Menu* menu, MenuItem* menuitem, int index)
+{ // note, this func does not validate index
+
+ /* resize array and insert */
+ menu->menu_items = realloc(menu->menu_items, (menu->menu_length+2)*sizeof(MenuItem*));
+
+ for (int i = menu->menu_length; i > index; i--) {
+ menu->menu_items[i] = menu->menu_items[i-1];
+ }
+
+ menu->menu_items[index] = menuitem;
+ menu->menu_items[menu->menu_length+1] = 0; // remember null at end
+ menu->menu_length += 1;
+
+ /* move cursor pos */
+ menu->selected_item = index;
+
+ return 0;
+}
+
+int
+menu_insert_mode(Menu* menu, int insert_index)
+{
+ char temp[MAX_CONTENTS_LENGTH+1]; // remember null
+ char* new_contents;
+ int insert_pos;
+
+ curs_on();
+
+ // account for multiline items
+ insert_pos = menu->scroll_offset;
+ for (int i = 0; i < insert_index; i++) {
+ insert_pos += menu->item_height(menu->menu_items[i]);
+ }
+
+ /* move cursor to right spot */
+ ungetstr(menu->menu_items[insert_index]->title);
+ mvwgetnstr(menu->menu_win,
+ insert_pos,
+ 0,
+ temp,
+ MAX_CONTENTS_LENGTH
+ );
+ curs_off();
+
+ /* copy out */
+ new_contents = strdup(temp);
+ menu->menu_items[insert_index]->title = new_contents;
+
+ /* delete if empty - maybe move this to a cleanup stage */
+ if (strlen(new_contents) == 0) {
+ delete_item(menu, insert_index);
+ }
+
+ return 0;
+}
+
int
menu_driver(Menu* menu, MenuAction action)
{
case MENU_DELETE:
delete_item(menu, menu->selected_item);
- wclear(menu->sub_win);
+ break;
+
+ case MENU_APPEND:
+ insert_item(menu, create_blank_menuitem(), menu->menu_length);
+ render_menu(menu); // refresh after inserting
+ menu_insert_mode(menu, menu->selected_item);
+ break;
+
+ case MENU_INSERT_ABOVE:
+ insert_item(menu, create_blank_menuitem(), menu->selected_item);
+ render_menu(menu);
+ menu_insert_mode(menu, menu->selected_item);
+ break;
+
+ case MENU_INSERT_BELOW:
+ insert_item(menu, create_blank_menuitem(), menu->selected_item+1);
+ render_menu(menu);
+ menu_insert_mode(menu, menu->selected_item); // inserted item is cur now
+ break;
+
+ case MENU_EDIT:
+ menu_insert_mode(menu, menu->selected_item);
break;
default: // This is here for debug, disable later
int
render_menu(Menu* menu)
{
- /* draw outer menu (prob dont need this every render) */
- int menu_header_color;
+ wclear(menu->menu_win);
+
+ /* calculate scroll */
+ int visible;
+
+ visible = items_visible(menu, menu->scroll_offset);
+
+ if (menu->selected_item >= menu->scroll_offset+visible) {
+ menu->scroll_offset = clamp(
+ menu->selected_item-items_visible_rev(menu, menu->selected_item)+1,
+ 0,
+ floorzero(menu->menu_length-1)
+ );
+
+ } else if (menu->selected_item < menu->scroll_offset) {
+ menu->scroll_offset = clamp(
+ menu->selected_item,
+ 0,
+ floorzero(menu->menu_length-1)
+ );
+ }
+
+ /* render menu items */
+ int curline = 0;
+ for (int i = menu->scroll_offset; i < menu->menu_length; i++) {
+ menu->render_item(menu, i, curline);
+ curline += menu->item_height(menu->menu_items[i]);
+ }
+
+ wrefresh(menu->menu_win);
+
+ return 0;
+}
+
+void
+default_render_item(Menu* menu, int item_index, int start_y)
+{
+ MenuItem* curitem;
+ int hlcolor;
- /* menu_header_color = */
- wattron(menu->menu_win, COLOR_PAIR(
- (menu->focused == true) ?
- TS_MENU_SELECTED: TS_MENU_NONSELECTED
- ));
- mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, menu->menu_name);
- wattroff(menu->menu_win, COLOR_PAIR(0));
+ curitem = menu->menu_items[item_index];
- /* draw inner menu */
- int cur_line = 0;
- for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
+ /* color selected item */
+ hlcolor = COLOR_PAIR((item_index == menu->selected_item && menu->focused == true) ? TS_SELECTED : TS_NONSELECTED);
+ wattron(menu->menu_win, hlcolor);
+ mvwprintw(menu->menu_win, start_y, 0, curitem->title);
+ wattroff(menu->menu_win, hlcolor);
+}
- int wrapped_lines;
- char* wrapped_text;
-
- /* wrap text by inserting newlines (maxwidth-1 for newline char)*/
- wrapped_text = wrap_text(menu->menu_items[i]->contents, menu->max_width-1, &wrapped_lines);
- /* color selected item */
- wattron(menu->sub_win, COLOR_PAIR(
- (i == menu->selected_item && menu->focused == true) ?
- TS_SELECTED : TS_NONSELECTED
- ));
- mvwprintw(menu->sub_win, cur_line, 0, wrapped_text);
- wattroff(menu->sub_win, COLOR_PAIR(0));
+int
+default_item_height(MenuItem* menuitem)
+{
+ return 1; // maybe account for line wrap by default
+}
- cur_line += wrapped_lines;
+int
+items_visible(Menu* menu, int offset)
+{
+ int maxheight;
+ int maxwidth; // unused
- free(wrapped_text);
+ getmaxyx(menu->menu_win, maxheight, maxwidth);
+
+ int vis = 0;
+ int lines = 0;
+ for (int i = offset ; i < menu->menu_length; i++) {
+
+ lines += menu->item_height(menu->menu_items[i]);
+ if (lines > maxheight) break;
+ vis += 1;
}
- wrefresh(menu->sub_win);
- wrefresh(menu->menu_win);
+ return vis;
+}
- return 0;
+int
+items_visible_rev(Menu* menu, int offset)
+{
+ int maxheight;
+ int maxwidth; // unused
+
+ getmaxyx(menu->menu_win, maxheight, maxwidth);
+
+ int vis = 0;
+ int lines = 0;
+ for (int i = offset; i > 0; i--) {
+
+ lines += menu->item_height(menu->menu_items[i]);
+ if (lines > maxheight) break;
+ vis +=1;
+
+ }
+
+ return vis;
}
int
