debugging seg

[taskasaur.git] / menu.c

diff --git a/menu.c b/menu.c
index 997fc15..67ca8e2 100644 (file)
--- a/menu.c
+++ b/menu.c
@@ -2,6 +2,7 @@
 #include <stdlib.h>
 #include <stddef.h>
 #include <string.h>
+#include <stdbool.h>
 #include <ncurses.h>
 
 #include "headers/menu.h"
@@ -13,14 +14,19 @@
 #define MENU_PAD_LEFT 2
 #define MENU_PAD_RIGHT 1
 
+#define MAX_CONTENTS_LENGTH 256
+
 typedef struct MenuItem {
     char* contents;
 } MenuItem;
 
 typedef struct Menu {
+    char* menu_name;
     MenuItem** menu_items;
     int menu_length;
     int selected_item;
+    int scroll_offset;
+    bool focused;
     WINDOW* menu_win;
     WINDOW* sub_win;
     int max_height;
@@ -29,6 +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)
@@ -42,14 +49,17 @@ create_menuitem(char* contents)
 }
 
 Menu* 
-create_menu(MenuItem** item_list)
+create_menu(char* menu_name, MenuItem** item_list)
 {
     Menu* new_menu;
 
     new_menu = malloc(sizeof(Menu));
+    new_menu->menu_name = menu_name;
     new_menu->menu_items = item_list;
     new_menu->menu_length = array_length(MenuItem*, item_list);
     new_menu->selected_item = 0;
+    new_menu->scroll_offset = 0;
+    new_menu->focused = false;
     set_menu_win(new_menu, stdscr);
 
     return new_menu;
@@ -83,6 +93,34 @@ get_menu_items(Menu* menu)
     return NULL;
 }
 
+int
+set_menu_focus(Menu* menu, bool focus)
+{
+    menu->focused = 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)
 {
@@ -101,11 +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
@@ -120,6 +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)
 {
@@ -155,7 +220,15 @@ menu_driver(Menu* menu, MenuAction action)
 
         case MENU_DELETE:
             delete_item(menu, menu->selected_item);
-            wclear(menu->menu_win);
+            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
@@ -169,25 +242,33 @@ int
 render_menu(Menu* menu)
 {
     /* draw outer menu (prob dont need this every render) */ 
-    mvwprintw(menu->menu_win, 0, MENU_PAD_LEFT, "TODO");
+    int menu_header_color;
+
+    /* 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));
 
     /* draw inner menu */
     int cur_line = 0;
-    for (int i = 0; i < menu->menu_length; i++) {
+    for (int i = 0; i < menu->menu_length-menu->scroll_offset; i++) {
 
         int wrapped_lines;
         char* wrapped_text;
-        int text_color;
         
         /* 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 */
-        text_color = (i == menu->selected_item) ? TS_SELECTED : TS_NONSELECTED;
-
-        wattron(menu->sub_win, COLOR_PAIR(text_color));
+        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(text_color));
+        wattroff(menu->sub_win, COLOR_PAIR(0));
 
         cur_line += wrapped_lines;