debugging seg

[taskasaur.git] / menu.c

diff --git a/menu.c b/menu.c
index 4d27ec4..67ca8e2 100644 (file)
--- a/menu.c
+++ b/menu.c
@@ -14,6 +14,8 @@
 #define MENU_PAD_LEFT 2
 #define MENU_PAD_RIGHT 1
 
+#define MAX_CONTENTS_LENGTH 256
+
 typedef struct MenuItem {
     char* contents;
 } MenuItem;
@@ -33,6 +35,7 @@ typedef struct Menu {
 
 int swap_item(Menu* menu, int src_index, int dest_index);
 int delete_item(Menu* menu, int index);
+int insert_item(Menu* menu, int index);
 
 MenuItem*
 create_menuitem(char* contents)
@@ -136,11 +139,9 @@ delete_item(Menu* menu, int index)
     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);
+    memmove(menu->menu_items[index], menu->menu_items[index+1], temp_size);
 
     menu->menu_items = realloc(menu->menu_items, menu->menu_length*sizeof(MenuItem*)); 
     menu->menu_items[menu->menu_length-1] = 0; // preserve null at end
@@ -155,6 +156,35 @@ delete_item(Menu* menu, int index)
     return 0;
 }
 
+int 
+insert_item(Menu* menu, int index)
+{ // note, this func does not validate index
+
+    char* new_content;
+    MenuItem* new_menuitem;
+
+    // remember null char
+    /* new_content = malloc((MAX_CONTENTS_LENGTH+1)*sizeof(char)); */ 
+    new_content = strdup("lmao");
+
+    new_menuitem = create_menuitem(new_content);
+
+    /* resize array and insert */
+    menu->menu_items = realloc(menu->menu_items, (menu->menu_length+2)*sizeof(MenuItem*));
+
+    int temp_size = menu->menu_length-index*sizeof(MenuItem*);
+    memmove(menu->menu_items[index], menu->menu_items[index+1], temp_size);
+
+    menu->menu_items[index] = new_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_driver(Menu* menu, MenuAction action)
 {
@@ -193,6 +223,14 @@ menu_driver(Menu* menu, MenuAction action)
             wclear(menu->sub_win);
             break;
 
+        case MENU_APPEND:
+            /* curs_on(); */
+            /* curs_off(); */
+            /* insert_item(menu, menu->selected_item); */
+            insert_item(menu, 0);
+            wclear(menu->sub_win);
+            break;
+
         default: // This is here for debug, disable later
             fprintf(stderr, "Invalid menu action");
     }