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+/* Starshatter OpenSource Distribution
+ Copyright (c) 1997-2004, Destroyer Studios LLC.
+ All Rights Reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are met:
+
+ * Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+ * Neither the name "Destroyer Studios" nor the names of its contributors
+ may be used to endorse or promote products derived from this software
+ without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ POSSIBILITY OF SUCH DAMAGE.
+
+ SUBSYSTEM: nGenEx.lib
+ FILE: Menu.cpp
+ AUTHOR: John DiCamillo
+
+
+ OVERVIEW
+ ========
+ Simple menu hierarchy class
+*/
+
+#include "MemDebug.h"
+#include "Menu.h"
+
+// +--------------------------------------------------------------------+
+
+void
+Menu::AddItem(Text label, DWORD value, bool enabled)
+{
+ MenuItem* item = new(__FILE__,__LINE__) 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(__FILE__,__LINE__) 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();
+}