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// Windows/Menu.h
#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
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