From a5efc91e9cfa40607a2064b8662047788a246ab1 Mon Sep 17 00:00:00 2001
From: Daniel Liu <mr.picklepinosaur@gmail.com>
Date: Sat, 30 Jan 2021 23:10:32 -0500
Subject: [PATCH] vim movement

---
 headers/menu.h |  9 +++++++++
 menu.c         | 24 ++++++++++++++++++++++++
 taskasaur.c    | 36 +++++++++++++++++++++++++-----------
 3 files changed, 58 insertions(+), 11 deletions(-)

diff --git a/headers/menu.h b/headers/menu.h
index ce0883e..0d17779 100644
--- a/headers/menu.h
+++ b/headers/menu.h
@@ -5,6 +5,13 @@
 /* ncurses doesn't support multiline menu items,
  * so i wrote my own menu lib */
 
+typedef enum {
+    MENU_UP = 0,
+    MENU_DOWN,
+    MENU_TOP,
+    MENU_BOTTOM
+} MenuAction;
+
 typedef struct Menu Menu;
 typedef struct MenuItem MenuItem;
 
@@ -15,6 +22,8 @@ extern int set_menu_items(Menu* menu, MenuItem** item_list);
 extern int set_menu_win(Menu* menu, WINDOW* win);
 extern MenuItem* get_menu_items(Menu* menu);
 
+extern int menu_driver(Menu* menu, MenuAction action);
+
 extern int render_menu(Menu* menu);
 
 extern int free_menu(Menu* menu);
diff --git a/menu.c b/menu.c
index f077fd2..777e334 100644
--- a/menu.c
+++ b/menu.c
@@ -70,6 +70,30 @@ get_menu_items(Menu* menu)
     return NULL;
 }
 
+int
+menu_driver(Menu* menu, MenuAction action)
+{
+
+    switch (action) {
+        case MENU_UP:
+            menu->selected_item = menu->selected_item-1 >= 0 ? menu->selected_item-1 : 0;
+            break;
+        case MENU_DOWN:
+            menu->selected_item = menu->selected_item+1 <= menu->menu_length-1 ? menu->selected_item+1 : menu->menu_length-1;
+            break;
+        case MENU_TOP:
+            menu->selected_item = 0;
+            break;
+        case MENU_BOTTOM:
+            menu->selected_item = menu->menu_length-1;
+            break;
+        default:
+            fprintf(stderr, "Invalid menu action");
+    }
+
+    return 0;
+}
+
 int
 render_menu(Menu* menu)
 {
diff --git a/taskasaur.c b/taskasaur.c
index 647c848..c8fd8e6 100644
--- a/taskasaur.c
+++ b/taskasaur.c
@@ -3,10 +3,12 @@
 #include "headers/render.h"
 #include "headers/menu.h"
 #include "headers/utils.h"
+#include "config.h"
 
 int
 main(int argc, char** argv)
 {
+    char ch;
     /* Board* board; */
     /* board = begin_parse("test_board.md"); */
     /* log_todo(board); */
@@ -14,26 +16,38 @@ main(int argc, char** argv)
     /* init curses */
     init_tscurses();
 
-
-    MenuItem** item_list = malloc(4*sizeof(MenuItem*));   
-    for (int i = 0; i < 3; i++) {
+    MenuItem** item_list = malloc(6*sizeof(MenuItem*));   
+    for (int i = 0; i < 5; i++) {
         item_list[i] = create_menuitem("Many of you are probably feeling a little sad."); 
     }
+    item_list[5] = 0;
 
     Menu* menu = create_menu(item_list);
-
     render_menu(menu);
 
-    getch();
+    while ((ch = getch()) != BINDING_QUIT) {
+
+        switch (ch) {
+
+            case BINDING_SCROLL_UP:
+                menu_driver(menu, MENU_UP);
+                break;
+            case BINDING_SCROLL_DOWN:
+                menu_driver(menu, MENU_DOWN);
+                break;
+            case BINDING_JUMP_TOP:
+                menu_driver(menu, MENU_TOP);
+                break;
+            case BINDING_JUMP_BOTTOM:
+                menu_driver(menu, MENU_BOTTOM);
+                break;
+        }
+        render_menu(menu);
 
-    exit_tscurses();
+    }
 
-    /* int out; */
-    /* printf("%s", wrap_text("ayylmaooooxdxdxdxdxd", 3, &out)); */
-    /* printf("%d\n", out); */
-    /* wrap_text("ayylmaooooxdxdxdxdxd", 3, &out); */
-    
 
+    exit_tscurses();
     return 0;    
 }
 
-- 
2.20.1