From 1231bcf06132e735fa69870b7de2898e44efba3b Mon Sep 17 00:00:00 2001
From: Daniel Liu <mr.picklepinosaur@gmail.com>
Date: Thu, 4 Feb 2021 00:13:59 -0500
Subject: [PATCH] jump to similar position between menus

---
 headers/menu.h |  3 +++
 menu.c         | 20 ++++++++++++++++++++
 taskasaur.c    |  9 +++++++--
 3 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/headers/menu.h b/headers/menu.h
index 9de9cb4..48e5bdd 100644
--- a/headers/menu.h
+++ b/headers/menu.h
@@ -26,6 +26,9 @@ extern Menu* create_menu(char* menu_name, MenuItem** item_list);
 extern int set_menu_win(Menu* menu, WINDOW* win);
 extern MenuItem* get_menu_items(Menu* menu);
 extern int set_menu_focus(Menu* menu, bool focus);
+extern int get_selected_item(Menu* menu);
+extern int set_selected_item(Menu* menu, int selected_item);
+extern int get_menu_length(Menu* menu);
 
 extern int menu_driver(Menu* menu, MenuAction action);
 
diff --git a/menu.c b/menu.c
index d47c553..4d27ec4 100644
--- a/menu.c
+++ b/menu.c
@@ -98,6 +98,26 @@ set_menu_focus(Menu* menu, bool focus)
     return 0;
 }
 
+int
+get_selected_item(Menu* menu)
+{
+    return menu->selected_item;
+}
+
+int
+set_selected_item(Menu* menu, int selected_item)
+{
+    menu->selected_item = selected_item;
+
+    return 0;
+}
+
+int
+get_menu_length(Menu* menu)
+{
+    return menu->menu_length;
+}
+
 int
 swap_item(Menu* menu, int src_index, int dest_index)
 {
diff --git a/taskasaur.c b/taskasaur.c
index 03c3ab4..793f0fa 100644
--- a/taskasaur.c
+++ b/taskasaur.c
@@ -17,7 +17,6 @@ int set_selected_menu(BoardMenu* boardmenu, int index);
 MenuItem** todolist_to_menuitem(TodoItem** item_list, int list_length);
 Menu** make_menus(Board* board, int todolist_length);
 
-
 int
 main(int argc, char** argv)
 {
@@ -74,7 +73,6 @@ main(int argc, char** argv)
             case BINDING_DELETE_ITEM:
                 menu_driver(active_menu, MENU_DELETE);
                 break;
-
         }
 
         for (int i = 0; i < boardmenu->menu_count; i++) {
@@ -106,6 +104,7 @@ set_selected_menu(BoardMenu* boardmenu, int index)
 {
     Menu* old_menu;
     Menu* new_menu;
+    int new_pos;
     
     old_menu = boardmenu->menu_list[boardmenu->selected];
     new_menu = boardmenu->menu_list[index];
@@ -113,6 +112,12 @@ set_selected_menu(BoardMenu* boardmenu, int index)
     set_menu_focus(old_menu, false);
     set_menu_focus(new_menu, true);
 
+    /* also try to jump to a similar position if possible */
+    /* rn theres a bug if old menu is empty */
+    new_pos = (get_selected_item(old_menu) > get_menu_length(new_menu)-1) ?
+        get_menu_length(new_menu)-1 : get_selected_item(old_menu);
+    set_selected_item(new_menu, new_pos);
+
     boardmenu->selected = index;
 
     return 0;
-- 
2.20.1