// CopyPathContextMenu.cpp : Implementation of CCopyPathContextMenu
#include "stdafx.h"
#include "CopyPathExt.h"
#include "CopyPathContextMenu.h"
#include <stdio.h>
#ifdef _UNICODE
#define CF_TEXT_FORMAT CF_UNICODETEXT
#define ALLOC_GLOBAL_STRING(hGlobal, strText) HGLOBAL hGlobal = ::GlobalAlloc(GMEM_SHARE, ((wcslen(strText) + 1) * 2));
#else
#define CF_TEXT_FORMAT CF_TEXT
#define ALLOC_GLOBAL_STRING(hGlobal, strText) HGLOBAL hGlobal = ::GlobalAlloc(GMEM_SHARE, strlen(strText) + 1);
#endif
/////////////////////////////////////////////////////////////////////////////
// CCopyPathContextMenu
//***************************************
//* Date : 5.26.99
//* Last Modified : 1.20.2000
//* Function name : CCopyPathContextMenu::QueryContextMenu
//* Description : Called when explorer wants to add your item to the context
//* menu.
//***************************************
//
STDMETHODIMP CCopyPathContextMenu::QueryContextMenu(HMENU hmenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags)
{
_TCHAR strMenuText[30];
// Adds our item as ID: (idCmdFirst + ID_COPY_PATH) = idCmdFirst.
_stprintf(strMenuText, _T("Copy &Path%s to Clipboard"), (m_listFileNames.size() > 1 ? _T("s") : _T("")));
::InsertMenu(hmenu, indexMenu++, MF_STRING | MF_BYPOSITION,
idCmdFirst + ID_COPY_PATH, strMenuText);
return ResultFromScode(MAKE_SCODE(SEVERITY_SUCCESS, FACILITY_NULL, (USHORT)(ID_COPY_PATH + 1)));
}
//***************************************
//* Date : 5.26.99
//* Last Modified : 5.27.99
//* Function name : CCopyPathContextMenu::Initialize
//* Description :
//***************************************
//
STDMETHODIMP CCopyPathContextMenu::Initialize(LPCITEMIDLIST pidlFolder, LPDATAOBJECT lpdobj, HKEY hkeyProgID)
{
HRESULT hres = E_FAIL;
FORMATETC fmte = { CF_HDROP, NULL, DVASPECT_CONTENT, -1, TYMED_HGLOBAL};
STGMEDIUM medium;
int nFileCount = 0, i;
_TCHAR strFilePath[MAX_PATH];
// No data object
if (lpdobj == NULL)
return E_FAIL;
// Use the given IDataObject to get a list of filenames (CF_HDROP).
hres = lpdobj->GetData(&fmte, &medium);
if (FAILED(hres))
return E_FAIL;
// Make sure HDROP contains at least one file.
if ((nFileCount = DragQueryFile((HDROP)medium.hGlobal, (UINT)(-1), NULL, 0)) >= 1)
{
// Loop through all the files that were selected.
for (i = 0; i < nFileCount; i++) {
DragQueryFile((HDROP)medium.hGlobal, i, strFilePath, MAX_PATH);
// If the file name is a directory, make sure it has a backslash at the end.
if (::GetFileAttributes(strFilePath) & FILE_ATTRIBUTE_DIRECTORY) {
int nLen = _tcslen(strFilePath);
if (strFilePath[nLen-1] != _T('\\')) {
_tcscat(strFilePath, _T("\\"));
}
}
// Add the file name to the end of the list.
m_listFileNames.push_back(strFilePath);
}
hres = S_OK;
}
else
hres = E_FAIL;
// Release the data.
ReleaseStgMedium (&medium);
return hres;
}
//***************************************
//* Date : 5.26.99
//* Last Modified : 1.20.2000
//* Function name : CCopyPathContextMenu::InvokeCommand
//* Description :
//***************************************
//
STDMETHODIMP CCopyPathContextMenu::InvokeCommand(LPCMINVOKECOMMANDINFO lpici)
{
_TCHAR* pStrClipboardText = NULL, strTempFileNameBuff[MAX_PATH + 50];
_TCHAR *pCurrent = NULL, *pLast = NULL;
BOOLEAN bMakeCStyleString = ((GetKeyState(VK_CONTROL) & 0x8000) != 0);
BOOLEAN bMakeShortPath = ((GetKeyState(VK_SHIFT) & 0x8000) != 0);
int nFileCount = 0, i;
switch (LOWORD(lpici->lpVerb)) {
case ID_COPY_PATH:
nFileCount = m_listFileNames.size();
if (nFileCount == 0)
return S_OK;
// The '+ 50' is so that we provide ample room for double backslashes.
pStrClipboardText = new _TCHAR[nFileCount * (MAX_PATH+50)];
pStrClipboardText[0] = _T('\0');
// Loop through all the files.
for (i = 0; i < nFileCount; i++) {
// Copy the file name into a temporary buffer. If the ALT key is down,
// convert the long file name to a short one.
if (bMakeShortPath) {
::GetShortPathName(m_listFileNames.front().data(), strTempFileNameBuff, MAX_PATH + 50);
}
else {
_tcscpy(strTempFileNameBuff, m_listFileNames.front().data());
}
pLast = strTempFileNameBuff;
// If the control key is pressed, change the path so that all the
// backslashes are converted to double backslashes. This is useful
// when pasting a path into C/C++ code, as a single backslash denotes
// an escape sequence and a double backslash denotes a literal backslash.
if (bMakeCStyleString) {
while ((pCurrent = _tcschr(pLast, _T('\\'))) != NULL) {
_tcsncat(pStrClipboardText, pLast, pCurrent - pLast + 1);
pLast = pCurrent + 1;
_tcscat(pStrClipboardText, _T("\\"));
}
_tcscat(pStrClipboardText, pLast);
}
else {
_tcscat(pStrClipboardText, pLast);
}
// If this isn't the last file, add a line break before we add the next file name.
if (i != (nFileCount - 1))
_tcscat(pStrClipboardText, _T("\r\n"));
m_listFileNames.pop_front();
}
// Open and empty the clipboard, allocate global memory, copy the file
// names into the memory, and then set the clipboard.
if (::OpenClipboard(NULL)) {
::EmptyClipboard();
ALLOC_GLOBAL_STRING(hText, pStrClipboardText);
LPTSTR pText = (LPTSTR) ::GlobalLock(hText);
_tcscpy(pText, pStrClipboardText);
::SetClipboardData(CF_TEXT_FORMAT, hText);
::GlobalUnlock(hText);
::CloseClipboard();
}
delete[] pStrClipboardText;
break;
}
return S_OK;
}
//***************************************
//* Date : 5.26.99
//* Last Modified : 1.21.2000
//* Function name : CCopyPathContextMenu::GetCommandString
//* Description : Called to do one of three things: Get a help string, make sure the item
//* exists, and to get a language-independent string.
//***************************************
//
STDMETHODIMP CCopyPathContextMenu::GetCommandString(UINT idCmd, UINT uType, UINT *pwReserved, LPSTR pszName, UINT cchMax)
{
HRESULT hr = E_INVALIDARG;
int nFileCount = 0;
_TCHAR strFileCount[20], strHelpTextBuff[100];
BOOLEAN bMakeCStyleString = ((GetKeyState(VK_CONTROL) & 0x8000) != 0);
BOOLEAN bMakeShortPath = ((GetKeyState(VK_SHIFT) & 0x8000) != 0);
USES_CONVERSION;
switch (idCmd) {
case ID_COPY_PATH:
switch (uType) {
// Requesting a help string for the status bar.
case GCS_HELPTEXTA:
case GCS_HELPTEXTW:
nFileCount = m_listFileNames.size();
// Help text looks like "Copies the [full / short] path[s] to the clipboard. [n Objects Selected]"
_stprintf(strFileCount, _T("%d Object%s Selected"), nFileCount, (nFileCount > 1 ? _T("s") : _T("")));
_stprintf(strHelpTextBuff, _T("Copies the %s file path%s%s to the clipboard. [%s]"),
(bMakeShortPath ? _T("short") : _T("full")),
(nFileCount > 1 ? _T("s") : _T("")),
(bMakeCStyleString ? _T(" (C-Style)") : _T("")), strFileCount);
if ((uType & GCS_HELPTEXTW) == GCS_HELPTEXTW) {
wcsncpy((LPWSTR)pszName, T2W(strHelpTextBuff), cchMax);
((LPWSTR)pszName)[cchMax - 1] = OLESTR('\0');
}
else {
strncpy((LPSTR)pszName, T2A(strHelpTextBuff), cchMax);
((LPSTR)pszName)[cchMax - 1] = '\0';
}
hr = S_OK;
break;
case GCS_VERB:
hr = S_OK;
break;
case GCS_VALIDATE:
hr = S_OK;
break;
}
}
return hr;
}
//***************************************
//* Date : 5.26.99
//* Last Modified : 5.27.99
//* Function name : CCopyPathContextMenu::HandleMenuMsg
//* Description :
//***************************************
//
STDMETHODIMP CCopyPathContextMenu::HandleMenuMsg(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
ATLTRACE(_T("CCopyPathContextMenu ---> IContextMenu2 interface method HandleMenuMsg() called!\n"));
return S_OK;
}
//***************************************
//* Date : 5.26.99
//* Last Modified : 5.27.99
//* Function name : CCopyPathContextMenu::HandleMenuMsg2
//* Description :
//***************************************
//
STDMETHODIMP CCopyPathContextMenu::HandleMenuMsg2(UINT uMsg, WPARAM wParam, LPARAM lParam, LRESULT* plResult)
{
ATLTRACE(_T("CCopyPathContextMenu ---> IContextMenu3 interface method HandleMenuMsg2() called!\n"));
return S_OK;
}
Submit an article or tip