Moved Stars45 to StarsEx

1 files changed, 141 insertions, 0 deletions

diff --git a/StarsEx/Menu.cpp b/StarsEx/Menu.cpp
new file mode 100644
index 0000000..35f5715
--- /dev/null
+++ b/StarsEx/Menu.cpp
@@ -0,0 +1,141 @@
+/*  Starshatter: The Open Source Project
+    Copyright (c) 2021-2022, Starshatter: The Open Source Project Contributors
+    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
+    Copyright (c) 1997-2006, Destroyer Studios LLC.
+
+    AUTHOR:       John DiCamillo
+
+
+    OVERVIEW
+    ========
+    Simple menu hierarchy class
+*/
+
+#include "Menu.h"
+
+// +--------------------------------------------------------------------+
+
+void
+Menu::AddItem(Text label, DWORD value, bool enabled)
+{
+    MenuItem* item = new MenuItem(label, value, enabled);
+
+    if (item) {
+        item->menu = this;
+        items.append(item);
+    }
+}
+
+void
+Menu::AddItem(MenuItem* item)
+{
+    if (item->submenu)
+    item->submenu->SetParent(this);
+    item->menu = this;
+    items.append(item);
+}
+
+void
+Menu::AddMenu(Text label, Menu* menu, DWORD value)
+{
+    MenuItem* item = new MenuItem(label, value);
+
+    if (item) {
+        item->menu     = this;
+        item->submenu  = menu;
+        menu->parent   = this;
+
+        items.append(item);
+    }
+}
+
+MenuItem*
+Menu::GetItem(int index)
+{
+    if (index >= 0 && index < items.size())
+    return items[index];
+
+    return 0;
+}
+
+void
+Menu::SetItem(int index, MenuItem* item)
+{
+    if (item && index >= 0 && index < items.size())
+    items[index] = item;
+}
+
+int
+Menu::NumItems() const
+{
+    return items.size();
+}
+
+void
+Menu::ClearItems()
+{
+    items.destroy();
+}
+
+
+// +--------------------------------------------------------------------+
+
+MenuItem::MenuItem(Text label, DWORD value, bool e)
+: text(label), data(value), enabled(e), submenu(0), selected(0)
+{ }
+
+MenuItem::~MenuItem()
+{ }
+
+// +--------------------------------------------------------------------+
+
+Menu*
+MenuHistory::GetCurrent()
+{
+    int n = history.size();
+
+    if (n)
+    return history[n-1];
+
+    return 0;
+}
+
+Menu*
+MenuHistory::GetLevel(int n)
+{
+    if (n >= 0 && n < history.size())
+    return history[n];
+
+    return 0;
+}
+
+Menu*
+MenuHistory::Find(const char* title)
+{
+    for (int i = 0; i < history.size(); i++)
+    if (history[i]->GetTitle() == title)
+    return history[i];
+
+    return 0;
+}
+
+void
+MenuHistory::Pop()
+{
+    int n = history.size();
+
+    if (n)
+    history.removeIndex(n-1);
+}
+
+void
+MenuHistory::Push(Menu* menu)
+{
+    history.append(menu);
+}
+
+void
+MenuHistory::Clear()
+{
+    history.clear();
+}