feat: Add out of stock (86) toggle feature for menu items

docs/changelog.md

@@ -44,6 +44,23 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
     - `main/business/check.hh` (SplitCheckEqually declaration, later removed)
   - **Impact**: Split check interface now provides clean, simple, and functional experience with clear visual feedback, proper pricing display, and intuitive manual item selection
 
+- **Out of Stock (86) Toggle Feature for Menu Items (2026-01-31)**
+  - Added ability to mark menu items as "86" (out of stock) with visual feedback on buttons
+  - **Changes Made**:
+    - Added `out_of_stock` boolean field to SalesItem class for tracking availability
+    - Updated data file version to 17 for backward compatibility
+    - Modified ItemZone rendering to display "Item Name - Out of stock" in red when item is unavailable
+    - Added "Out of Stock (86'd)?" toggle in item editing interface
+    - Implemented safe color override during rendering to maintain visual consistency
+  - **Root Cause**: No built-in way to temporarily disable menu items without removing them entirely
+  - **Solution**: Added toggleable out-of-stock status with clear visual indicators
+  - **Files modified**:
+    - `main/business/sales.hh` (added out_of_stock field)
+    - `main/business/sales.cc` (updated serialization and data handling)
+    - `zone/inventory_zone.cc` (added editing interface)
+    - `zone/order_zone.cc` (modified rendering logic)
+  - **Impact**: Staff can now easily identify unavailable items, managers can quickly toggle item availability, improves operational efficiency during stock shortages
+
 ### Fixed
 - **Fixed GCC 14 Warning in Date Library (2026-01-25)**
   - Resolved stringop-overflow warning in external/date/include/date/date.h when compiling on Raspberry Pi Compute Module 5 with GCC 14

main/business/sales.cc

@@ -101,6 +101,7 @@ SalesItem::SalesItem(const char* name)
     changed = 0;
     allow_increase = 1;
     ignore_split   = 0;
+    out_of_stock   = 0;
 }
 
 // Member Functions
@@ -146,6 +147,7 @@ int SalesItem::Copy(SalesItem *target)
         target->price_type = price_type;
         target->allow_increase = allow_increase;
         target->ignore_split = ignore_split;
+        target->out_of_stock = out_of_stock;
         retval = 0;
     }
     return retval;
@@ -184,6 +186,7 @@ int SalesItem::Read(InputDataFile &df, int version)
     // 14 (04/30/15) added all properties relating to cinema mode.
     // 15 (11/06/15) added ignore split kitchen
     // 16 (11/03/25) added image_path persistence
+    // 17 (01/31/26) added out_of_stock flag
 
     if (version < 8)
         return 1;
@@ -248,6 +251,11 @@ int SalesItem::Read(InputDataFile &df, int version)
     else
         image_path.Clear();
 
+    if (version >= 17)
+        df.Read(out_of_stock);
+    else
+        out_of_stock = 0;
+
     // Item property checks
     if (call_order < 0)
         call_order = 0;
@@ -317,6 +325,8 @@ int SalesItem::Write(OutputDataFile &df, int version)
         error += df.Write(ignore_split);
     if (version >= 16)
         error += df.Write(image_path);
+    if (version >= 17)
+        error += df.Write(out_of_stock);
 
     return error;
 }

main/business/sales.hh

@@ -28,7 +28,7 @@
 
 /**** Definitions ****/
 
-constexpr int SALES_ITEM_VERSION = 16;
+constexpr int SALES_ITEM_VERSION = 17;
 
 // Family Difinitions
 #define FAMILY_APPETIZERS        0
@@ -194,6 +194,7 @@ public:
     short has_zone;       // boolean - is there a zone that can order this item?
     short allow_increase; // whether to show the OrderAddZone button.
     short ignore_split;	  // ignore split kitchen?
+    short out_of_stock;   // boolean - is item 86'd or out of stock
     int   period;         // time of day served
     int   prepare_time;   // time to make menu item
     int   quanity;        // Number of item remaining

zone/inventory_zone.cc

@@ -1162,6 +1162,7 @@ int ItemListZone::AddFields()
     AddListField("Is Item Stocked?", NoYesName);
     AddListField("Allow Increase Button?", NoYesName);
     AddListField("Ignore Split Kitchen?", NoYesName);
+    AddListField("Out of Stock (86'd)?", NoYesName);
 
     return 0;
 }
@@ -1382,7 +1383,8 @@ int ItemListZone::LoadRecord(Terminal *t, int record)
     f->Set(si->call_order); f = f->next;
     f->Set(si->stocked); f = f->next;
     f->Set(si->allow_increase); f = f->next;
-    f->Set(si->ignore_split);
+    f->Set(si->ignore_split); f = f->next;
+    f->Set(si->out_of_stock);
     return 0;
 }
 
@@ -1422,6 +1424,7 @@ int ItemListZone::SaveRecord(Terminal *t, int record, int write_file)
         f->Get(tmp); f = f->next; si->stocked = tmp;
         f->Get(tmp); f = f->next; si->allow_increase = tmp;
         f->Get(tmp); f = f->next; si->ignore_split = tmp;
+        f->Get(tmp); si->out_of_stock = tmp;
         if (item_name != si->item_name)
         {
             name_change = 1;

zone/order_zone.cc

@@ -1619,6 +1619,18 @@ RenderResult ItemZone::Render(Terminal *t, int update_flag)
 {
     FnTrace("ItemZone::Render()");
 
+    // Handle out of stock color override
+    int saved_color[3];
+    int color_modified = 0;
+    if (item && item->out_of_stock) {
+        int num_states = ZoneStates();
+        for (int i = 0; i < num_states; i++) {
+            saved_color[i] = color[i];
+            color[i] = COLOR_DK_RED;
+        }
+        color_modified = 1;
+    }
+
     if (update_flag)
     {
         item = Item(&(t->system_data->menu));
@@ -1635,6 +1647,12 @@ RenderResult ItemZone::Render(Terminal *t, int update_flag)
 
     if (item == nullptr)
     {
+        if (color_modified) {
+            int num_states = ZoneStates();
+            for (int i = 0; i < num_states; i++) {
+                color[i] = saved_color[i];
+            }
+        }
         RenderZone(t, "<Unknown>", update_flag);
         return RENDER_OKAY;
     }
@@ -1666,6 +1684,16 @@ RenderResult ItemZone::Render(Terminal *t, int update_flag)
     const char* zn = item->type == ITEM_ADMISSION ? "" : item->ZoneName();
     const bool has_custom_image = ImagePath() && ImagePath()->size() > 0;
 
+    // Handle out of stock display
+    Str display_text;
+    genericChar str[256];
+    if (item->out_of_stock) {
+        vt_safe_string::safe_format(str, 256, "%s - %s", zn, GlobalTranslate("Out of stock"));
+        display_text.Set(str);
+    } else {
+        display_text.Set(zn);
+    }
+
     int font_width = 0;
     int font_height = 0;
     t->FontSize(font, font_width, font_height);
@@ -1789,7 +1817,7 @@ RenderResult ItemZone::Render(Terminal *t, int update_flag)
     else
     {
         // Normal rendering without image
-        RenderZone(t, zn, update_flag);
+        RenderZone(t, display_text.Value(), update_flag);
     }
 
     // Continue with normal ItemZone rendering logic for pricing, etc.
@@ -1895,6 +1923,15 @@ RenderResult ItemZone::Render(Terminal *t, int update_flag)
         t->RenderText(str, x + border, y + border + 45, col, FONT_TIMES_14,
                       ALIGN_LEFT, w - border);
     }
+
+    // Restore colors if modified
+    if (color_modified) {
+        int num_states = ZoneStates();
+        for (int i = 0; i < num_states; i++) {
+            color[i] = saved_color[i];
+        }
+    }
+
     return RENDER_OKAY;
 }