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Tino Reichardt
2016-06-25 21:15:50 +02:00
commit c3967fe27a
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212
CPP/Windows/Menu.cpp Normal file
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// Windows/Menu.cpp
#include "StdAfx.h"
#ifndef _UNICODE
#include "../Common/StringConvert.h"
#endif
#include "Menu.h"
#ifndef _UNICODE
extern bool g_IsNT;
#endif
namespace NWindows {
/*
structures
MENUITEMINFOA
MENUITEMINFOW
contain additional member:
#if (WINVER >= 0x0500)
HBITMAP hbmpItem;
#endif
If we compile the source code with (WINVER >= 0x0500), some functions
will not work at NT 4.0, if cbSize is set as sizeof(MENUITEMINFO*).
So we use size of old version of structure. */
#if defined(UNDER_CE) || defined(_WIN64) || (WINVER < 0x0500)
#define my_compatib_MENUITEMINFOA_size sizeof(MENUITEMINFOA)
#define my_compatib_MENUITEMINFOW_size sizeof(MENUITEMINFOW)
#else
#define MY_STRUCT_SIZE_BEFORE(structname, member) ((UINT)(UINT_PTR)((LPBYTE)(&((structname*)0)->member) - (LPBYTE)(structname*)0))
#define my_compatib_MENUITEMINFOA_size MY_STRUCT_SIZE_BEFORE(MENUITEMINFOA, hbmpItem)
#define my_compatib_MENUITEMINFOW_size MY_STRUCT_SIZE_BEFORE(MENUITEMINFOW, hbmpItem)
#endif
static void ConvertItemToSysForm(const CMenuItem &item, MENUITEMINFOW &si)
{
ZeroMemory(&si, sizeof(si));
si.cbSize = my_compatib_MENUITEMINFOW_size; // sizeof(si);
si.fMask = item.fMask;
si.fType = item.fType;
si.fState = item.fState;
si.wID = item.wID;
si.hSubMenu = item.hSubMenu;
si.hbmpChecked = item.hbmpChecked;
si.hbmpUnchecked = item.hbmpUnchecked;
si.dwItemData = item.dwItemData;
}
#ifndef _UNICODE
static void ConvertItemToSysForm(const CMenuItem &item, MENUITEMINFOA &si)
{
ZeroMemory(&si, sizeof(si));
si.cbSize = my_compatib_MENUITEMINFOA_size; // sizeof(si);
si.fMask = item.fMask;
si.fType = item.fType;
si.fState = item.fState;
si.wID = item.wID;
si.hSubMenu = item.hSubMenu;
si.hbmpChecked = item.hbmpChecked;
si.hbmpUnchecked = item.hbmpUnchecked;
si.dwItemData = item.dwItemData;
}
#endif
static void ConvertItemToMyForm(const MENUITEMINFOW &si, CMenuItem &item)
{
item.fMask = si.fMask;
item.fType = si.fType;
item.fState = si.fState;
item.wID = si.wID;
item.hSubMenu = si.hSubMenu;
item.hbmpChecked = si.hbmpChecked;
item.hbmpUnchecked = si.hbmpUnchecked;
item.dwItemData = si.dwItemData;
}
#ifndef _UNICODE
static void ConvertItemToMyForm(const MENUITEMINFOA &si, CMenuItem &item)
{
item.fMask = si.fMask;
item.fType = si.fType;
item.fState = si.fState;
item.wID = si.wID;
item.hSubMenu = si.hSubMenu;
item.hbmpChecked = si.hbmpChecked;
item.hbmpUnchecked = si.hbmpUnchecked;
item.dwItemData = si.dwItemData;
}
#endif
bool CMenu::GetItem(UINT itemIndex, bool byPosition, CMenuItem &item)
{
const UINT kMaxSize = 512;
#ifndef _UNICODE
if (!g_IsNT)
{
CHAR s[kMaxSize + 1];
MENUITEMINFOA si;
ConvertItemToSysForm(item, si);
if (item.IsString())
{
si.cch = kMaxSize;
si.dwTypeData = s;
}
if (GetItemInfo(itemIndex, byPosition, &si))
{
ConvertItemToMyForm(si, item);
if (item.IsString())
item.StringValue = GetUnicodeString(s);
return true;
}
}
else
#endif
{
wchar_t s[kMaxSize + 1];
MENUITEMINFOW si;
ConvertItemToSysForm(item, si);
if (item.IsString())
{
si.cch = kMaxSize;
si.dwTypeData = s;
}
if (GetItemInfo(itemIndex, byPosition, &si))
{
ConvertItemToMyForm(si, item);
if (item.IsString())
item.StringValue = s;
return true;
}
}
return false;
}
bool CMenu::SetItem(UINT itemIndex, bool byPosition, const CMenuItem &item)
{
#ifndef _UNICODE
if (!g_IsNT)
{
MENUITEMINFOA si;
ConvertItemToSysForm(item, si);
AString s;
if (item.IsString())
{
s = GetSystemString(item.StringValue);
si.dwTypeData = (LPTSTR)(LPCTSTR)s;
}
return SetItemInfo(itemIndex, byPosition, &si);
}
else
#endif
{
MENUITEMINFOW si;
ConvertItemToSysForm(item, si);
if (item.IsString())
si.dwTypeData = (LPWSTR)(LPCWSTR)item.StringValue;
return SetItemInfo(itemIndex, byPosition, &si);
}
}
bool CMenu::InsertItem(UINT itemIndex, bool byPosition, const CMenuItem &item)
{
#ifndef _UNICODE
if (!g_IsNT)
{
MENUITEMINFOA si;
ConvertItemToSysForm(item, si);
AString s;
if (item.IsString())
{
s = GetSystemString(item.StringValue);
si.dwTypeData = (LPTSTR)(LPCTSTR)s;
}
return InsertItem(itemIndex, byPosition, &si);
}
else
#endif
{
MENUITEMINFOW si;
ConvertItemToSysForm(item, si);
if (item.IsString())
si.dwTypeData = (LPWSTR)(LPCWSTR)item.StringValue;
#ifdef UNDER_CE
UINT flags = (item.fType & MFT_SEPARATOR) ? MF_SEPARATOR : MF_STRING;
UINT id = item.wID;
if ((item.fMask & MIIM_SUBMENU) != 0)
{
flags |= MF_POPUP;
id = (UINT)item.hSubMenu;
}
if (!Insert(itemIndex, flags | (byPosition ? MF_BYPOSITION : MF_BYCOMMAND), id, item.StringValue))
return false;
return SetItemInfo(itemIndex, byPosition, &si);
#else
return InsertItem(itemIndex, byPosition, &si);
#endif
}
}
#ifndef _UNICODE
bool CMenu::AppendItem(UINT flags, UINT_PTR newItemID, LPCWSTR newItem)
{
if (g_IsNT)
return BOOLToBool(::AppendMenuW(_menu, flags, newItemID, newItem));
else
return AppendItem(flags, newItemID, GetSystemString(newItem));
}
#endif
}