Method QueryDropContext

src/TortoiseShell/ContextMenu.cpp:741–828

}

STDMETHODIMP CShellExt::QueryDropContext(UINT uFlags, UINT idCmdFirst, HMENU hMenu, UINT &indexMenu)
{
	if (!CRegStdDWORD(L"Software\\TortoiseGit\\EnableDragContextMenu", TRUE, false, HKEY_CURRENT_USER, KEY_WOW64_64KEY))
		return S_OK;

	PreserveChdir preserveChdir;
	LoadLangDll();

	if ((uFlags & CMF_DEFAULTONLY)!=0)
		return S_OK;					//we don't change the default action

	if (files_.empty() || folder_.empty())
		return S_OK;

	if (((uFlags & 0x000f)!=CMF_NORMAL)&&(!(uFlags & CMF_EXPLORE))&&(!(uFlags & CMF_VERBSONLY)))
		return S_OK;

	bool bSourceAndTargetFromSameRepository = ((uuidSource.size() == uuidTarget.size() && _wcsnicmp(uuidSource.c_str(), uuidTarget.c_str(), uuidSource.size()) == 0)) || uuidSource.empty() || uuidTarget.empty();

	//the drop handler only has eight commands, but not all are visible at the same time:
	//if the source file(s) are under version control then those files can be moved
	//to the new location or they can be moved with a rename,
	//if they are unversioned then they can be added to the working copy
	//if they are versioned, they also can be exported to an unversioned location
	UINT idCmd = idCmdFirst;

	bool moveAvailable = false;
	// Git move here
	// available if source is versioned but not added, target is versioned, source and target from same repository or target folder is added
	if ((bSourceAndTargetFromSameRepository || (itemStatesFolder & ITEMIS_ADDED)) && (itemStatesFolder & ITEMIS_FOLDERINGIT) && ((itemStates & (ITEMIS_NORMAL | ITEMIS_INGIT | ITEMIS_FOLDERINGIT))))
	{
		InsertGitMenu(FALSE, hMenu, indexMenu++, idCmd++, IDS_DROPMOVEMENU, 0, idCmdFirst, TGitShellCommand::DropMove, uFlags);
		moveAvailable = true;
	}

	// Git move and rename here
	// available if source is a single, versioned but not added item, target is versioned, source and target from same repository or target folder is added
	if ((bSourceAndTargetFromSameRepository || (itemStatesFolder & ITEMIS_ADDED)) && (itemStatesFolder & ITEMIS_FOLDERINGIT) && (itemStates & (ITEMIS_NORMAL | ITEMIS_INGIT | ITEMIS_FOLDERINGIT)) && (itemStates & ITEMIS_ONLYONE))
	{
		InsertGitMenu(FALSE, hMenu, indexMenu++, idCmd++, IDS_DROPMOVERENAMEMENU, 0, idCmdFirst, TGitShellCommand::DropMoveRename, uFlags);
		moveAvailable = true;
	}

	// Git copy here
	// available if source is versioned but not added, target is versioned, source and target from same repository or target folder is added
	//if ((bSourceAndTargetFromSameRepository||(itemStatesFolder & ITEMIS_ADDED))&&(itemStatesFolder & ITEMIS_FOLDERINGIT)&&(itemStates & ITEMIS_INGIT)&&((~itemStates) & ITEMIS_ADDED))
	//	InsertGitMenu(FALSE, hMenu, indexMenu++, idCmd++, IDS_DROPCOPYMENU, 0, idCmdFirst, TGitShellCommand::DropCopy, uFlags);

	// Git copy and rename here, source and target from same repository
	// available if source is a single, versioned but not added item, target is versioned or target folder is added
	//if ((bSourceAndTargetFromSameRepository||(itemStatesFolder & ITEMIS_ADDED))&&(itemStatesFolder & ITEMIS_FOLDERINGIT)&&(itemStates & ITEMIS_INGIT)&&(itemStates & ITEMIS_ONLYONE)&&((~itemStates) & ITEMIS_ADDED))
	//	InsertGitMenu(FALSE, hMenu, indexMenu++, idCmd++, IDS_DROPCOPYRENAMEMENU, 0, idCmdFirst, TGitShellCommand::DropCopyRename, uFlags);

	// Git add here
	// available if target is versioned and source is either unversioned or from another repository
	if ((itemStatesFolder & ITEMIS_FOLDERINGIT) && (((~itemStates) & ITEMIS_INGIT) || !bSourceAndTargetFromSameRepository) && !moveAvailable)
		InsertGitMenu(FALSE, hMenu, indexMenu++, idCmd++, IDS_DROPCOPYADDMENU, 0, idCmdFirst, TGitShellCommand::DropCopyAdd, uFlags);