Initial community commit

1 files changed, 132 insertions, 0 deletions

diff --git a/Src/nu/menuHelpers.cpp b/Src/nu/menuHelpers.cpp
new file mode 100644
index 00000000..83640f91
--- /dev/null
+++ b/Src/nu/menuHelpers.cpp
@@ -0,0 +1,132 @@
+#include "./menuHelpers.h"
+#include <strsafe.h>
+
+INT MenuHelper_CopyMenuEx(HMENU hDest, INT iDstStart, HMENU hSource, INT iSrcStart, INT iSrcCount)
+{
+	if (!hDest || !hSource) return 0;
+	TCHAR szText[1024] = {0};
+
+	MENUITEMINFO mii = {sizeof(MENUITEMINFO), };
+	mii.fMask = MIIM_BITMAP | MIIM_CHECKMARKS | MIIM_DATA | MIIM_FTYPE | MIIM_ID | MIIM_STATE | MIIM_STRING | MIIM_SUBMENU;
+	mii.dwTypeData = szText;
+
+	if (iDstStart < 0) iDstStart = 0;
+	if (iSrcStart < 0) iSrcStart = 0;
+
+	INT pos = iDstStart;
+
+	if ( 0 != iSrcCount)
+	{
+		INT c = GetMenuItemCount(hSource);
+		if (-1 == c || iSrcStart > c) return 0;
+		
+		if (iSrcCount < 0) 
+			iSrcCount = c - iSrcStart;
+		else if (iSrcCount < (c - iSrcStart)) 
+			c = iSrcCount + iSrcStart;
+
+		for (int i = iSrcStart; i < c; i++) 
+		{
+			mii.cch = ARRAYSIZE(szText);
+			if (GetMenuItemInfo(hSource, i, TRUE, &mii))
+			{
+				if(InsertMenuItem(hDest, pos, TRUE, &mii)) 
+				{
+					pos++;
+				}
+			}
+		}
+	}
+	else
+	{
+		mii.cch = ARRAYSIZE(szText);
+		if (GetMenuItemInfo(hSource, iSrcStart, FALSE, &mii))
+		{
+			if (InsertMenuItem(hDest, pos, TRUE, &mii))
+			{
+				pos++;
+			}
+		}
+	}
+	return pos - iDstStart;
+}
+
+INT MenuHelper_CopyMenu(HMENU hDest, INT iDstStart, HMENU hSource)
+{
+	return MenuHelper_CopyMenuEx(hDest, iDstStart, hSource, 0, -1);
+}
+
+HMENU MenuHelper_DuplcateMenu(HMENU hMenu)
+{
+	HMENU hDest = CreatePopupMenu();
+	if (NULL == hMenu)
+		return NULL;
+
+	MenuHelper_CopyMenu(hDest, 0, hMenu);
+	return hDest;
+}
+
+INT MenuHelper_InsertSeparator(HMENU hMenu, INT iPos)
+{
+	if (!hMenu) return FALSE;
+	MENUITEMINFO mii = {sizeof(MENUITEMINFO), };
+	mii.fMask = MIIM_FTYPE;
+	mii.fType = MFT_SEPARATOR;
+	return InsertMenuItem(hMenu, iPos, TRUE, &mii);
+}
+
+void MenuHelper_RemoveRange(HMENU hMenu, UINT min, UINT max)
+{
+	MENUITEMINFO mii = {sizeof(MENUITEMINFO), };
+	mii.fMask = MIIM_ID;
+    INT count = GetMenuItemCount(hMenu);
+	if (-1 == count)
+		return;
+	while(count--)
+	{
+		if (GetMenuItemInfo(hMenu, count, TRUE, &mii) && 
+			mii.wID >= min && mii.wID <= max)
+		{
+			RemoveMenu(hMenu, count, MF_BYPOSITION);
+		}
+	}
+}
+
+void MenuHelper_EnableGroup(HMENU hMenu, UINT *pszItems, INT cchItems, BOOL fByPos, BOOL bEnable)
+{
+	UINT enableGroup = (bEnable) ? MF_ENABLED : (MF_DISABLED | MF_GRAYED);
+
+	if (!fByPos)
+		enableGroup |= MF_BYCOMMAND;
+
+	for (INT i = 0; i < cchItems; i++)
+	{
+		EnableMenuItem(hMenu, pszItems[i], enableGroup);
+	}
+}
+
+BOOL MenuHelper_GetMenuItemPos(HMENU hMenu, UINT itemId, INT *pPos)
+{
+	if (pPos)
+		*pPos = -1;
+
+	MENUITEMINFO mii = {sizeof(MENUITEMINFO), };
+	mii.fMask = MIIM_ID;
+
+	INT count = GetMenuItemCount(hMenu);
+	if (count < 1)
+		return FALSE;
+
+	while(count--)
+	{
+		if (GetMenuItemInfo(hMenu, count, TRUE, &mii) && 
+			mii.wID == itemId)
+		{
+			if (pPos)
+				*pPos = count;
+			return TRUE;
+		}
+	}
+
+	return FALSE;
+}
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