Method invokeMenu

trunk/win/Source/BT_EllipsisMenu.cpp:257–303

Draws the explorer-style context menu to the screen

// Draws the explorer-style context menu to the screen
void ContextMenu::invokeMenu(HMENU menu, POINT pt, uint pos_flags)
{

	uint idCommand;

	// Sanity Check
	if (!menu) return;

	// Subclass window to handle menu related messages in ContextMenu 
	if (menuType > 1)
	{
		if (menuType == 2)
		{
			contextMenu->QueryInterface(IID_IContextMenu2, (LPVOID *) &GLOBAL(g_IContext2));
		}else{ 
			contextMenu->QueryInterface(IID_IContextMenu3, (LPVOID *) &GLOBAL(g_IContext3));
		}
	}

	// Invoke the menu
	GLOBAL(OldWndProc) = (WNDPROC) SetWindowLong(winOS->GetWindowsHandle(), GWL_WNDPROC,(DWORD) HookWndProc);
	_currentHmenu = menu;
	_prevHmenu = NULL;
	_currentHmenuRegion = QPolygon();
	_unionMenuRectOnNextEnterIdle = false;
	idCommand = tryTrackPopupMenu(menu, TPM_RETURNCMD | pos_flags | TPM_VERPOSANIMATION, pt.x, pt.y, NULL, winOS->GetWindowsHandle(), NULL);
	_unionMenuRectOnNextEnterIdle = false;
	_prevHmenu = NULL;
	_currentHmenu = NULL;
	SetWindowLong(winOS->GetWindowsHandle(), GWL_WNDPROC,(DWORD) GLOBAL(OldWndProc));

	// See if there was a command chosen
	if (idCommand >= MIN_ID && idCommand <= MAX_ID)
	{
		invokeCommand(contextMenu, idCommand - MIN_ID);
	}

	// destroy the marking menu since we have made a selection
	if (winOS->IsWindowsVersionGreaterThanOrEqualTo(Windows7))
		markingMenu->destroy();

	SAFE_RELEASE(GLOBAL(g_IContext2));
	SAFE_RELEASE(GLOBAL(g_IContext3));

	// Release the context Menu when were done
	SAFE_RELEASE(contextMenu);
}

void ContextMenu::invokeCommand(LPCONTEXTMENU pContextMenu, UINT idCommand)
{