3.13

Windows/Menu.h

@@ -0,0 +1,108 @@
+// Windows/Menu.h
+
+#pragma once
+
+#ifndef __WINDOWS_MENU_H
+#define __WINDOWS_MENU_H
+
+#include "Common/String.h"
+#include "Windows/Defs.h"
+
+namespace NWindows {
+
+class CMenu
+{
+  HMENU _menu;
+public:
+  CMenu(): _menu(NULL) {};
+  operator HMENU() const { return _menu; }
+  void Attach(HMENU menu) { _menu = menu; }
+  
+  HMENU Detach()
+  {
+    HMENU menu = _menu;
+    _menu = NULL;
+    return menu;
+  }
+  
+  bool Create()
+  { 
+    _menu = ::CreateMenu();
+    return (_menu != NULL); 
+  }
+
+  bool CreatePopup()
+  { 
+    _menu = ::CreatePopupMenu();
+    return (_menu != NULL); 
+  }
+  
+  bool Destroy()
+  { 
+    if (_menu == NULL)
+      return false;
+    return BOOLToBool(::DestroyMenu(Detach()));
+  }
+  
+  int GetItemCount()
+    { return GetMenuItemCount(_menu); }
+
+  HMENU GetSubMenu(int pos)
+    { return ::GetSubMenu(_menu, pos); }
+  bool GetItemString(UINT idItem, UINT flag, CSysString &result)
+  {
+    result.Empty();
+    int len = ::GetMenuString(_menu, idItem, 0, 0, flag);
+    len = ::GetMenuString(_menu, idItem, result.GetBuffer(len + 2), 
+        len + 1, flag);
+    result.ReleaseBuffer();
+    return (len != 0);
+  }
+  UINT GetItemID(int pos)
+    { return ::GetMenuItemID(_menu, pos);   }
+  UINT GetItemState(UINT id, UINT flags)
+    { return ::GetMenuState(_menu, id, flags);   }
+  
+  bool AppendItem(UINT flags, UINT_PTR newItemID, LPCTSTR newItem)
+    { return BOOLToBool(::AppendMenu(_menu, flags, newItemID, newItem)); }
+
+  bool Insert(UINT position, UINT flags, UINT_PTR idNewItem, LPCTSTR newItem)
+    { return BOOLToBool(::InsertMenu(_menu, position, flags, idNewItem, newItem)); }
+
+  bool InsertItem(UINT itemIndex, bool byPosition, LPCMENUITEMINFO itemInfo)
+    { return BOOLToBool(::InsertMenuItem(_menu, itemIndex, 
+        BoolToBOOL(byPosition), itemInfo)); }
+
+  bool RemoveItem(UINT item, UINT flags)
+    { return BOOLToBool(::RemoveMenu(_menu, item, flags)); }
+
+  bool GetItemInfo(UINT itemIndex, bool byPosition, LPMENUITEMINFO itemInfo)
+    { return BOOLToBool(::GetMenuItemInfo(_menu, itemIndex, 
+        BoolToBOOL(byPosition), itemInfo)); }
+  bool SetItemInfo(UINT itemIndex, bool byPosition, LPMENUITEMINFO itemInfo)
+    { return BOOLToBool(::SetMenuItemInfo(_menu, itemIndex, 
+        BoolToBOOL(byPosition), itemInfo)); }
+
+  int Track(UINT flags, int x, int y, HWND hWnd)
+    { return ::TrackPopupMenuEx(_menu, flags, x, y, hWnd, NULL); }
+
+  bool CheckRadioItem(UINT idFirst, UINT idLast, UINT idCheck, UINT flags)
+    { return BOOLToBool(::CheckMenuRadioItem(_menu, idFirst, idLast, idCheck, flags)); }
+  DWORD CheckItem(UINT id, UINT uCheck)
+    { return ::CheckMenuItem(_menu, id, uCheck); }
+};
+
+class CMenuDestroyer
+{
+  CMenu *_menu;
+public:
+  CMenuDestroyer(CMenu &menu): _menu(&menu) {}
+  CMenuDestroyer(): _menu(0) {}
+  ~CMenuDestroyer() { if (_menu) _menu->Destroy(); }
+  void Attach(CMenu &menu) { _menu = &menu; }
+  void Disable() { _menu = 0; }
+};
+
+}
+
+#endif