DisassemblerGui.cpp
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DisassemblerGui.cpp
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	#include "DisassemblerGui.h"
	#include "ProcessAccessHelp.h"

	HWND DisassemblerGui::hWndDlg = 0;
	HINSTANCE DisassemblerGui::hInstance = 0;
	DWORD_PTR DisassemblerGui::startAddress = 0;
	WCHAR DisassemblerGui::tempBuffer[100];

	INT_PTR DisassemblerGui::initDialog(HINSTANCE hInst, HWND hWndParent, DWORD_PTR address)
	{
	hInstance = hInst;
	startAddress = address;
	return DialogBox(hInstance, MAKEINTRESOURCE(IDD_DLG_DISASSEMBLER),hWndParent, (DLGPROC)disassemblerDlgProc);
	}

	LRESULT CALLBACK DisassemblerGui::disassemblerDlgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
	{
	hWndDlg = hWnd;
	switch (uMsg)
	{
	case WM_INITDIALOG:
	addColumnsToDisassembler(GetDlgItem(hWnd, IDC_LIST_DISASSEMBLER));
	displayDisassembly();
	break;

	case WM_CONTEXTMENU:
	OnContextMenu(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
	break;
	case WM_COMMAND:
	switch(LOWORD(wParam))
	{
	case IDC_BTN_PICKDLL_OK:
	/*index = ListView_GetSelectionMark(GetDlgItem(hWnd, IDC_LIST_DLLSELECT));
	if (index != -1)
	{
	selectedModule = &(*moduleList).at(index);
	EndDialog(hWnd, 1);
	}*/

	return TRUE;
	case IDC_BTN_PICKDLL_CANCEL:
	EndDialog(hWnd, 0);
	return TRUE;
	case IDCANCEL:
	EndDialog(hWnd, 0);
	return TRUE;
	}
	}
	return FALSE;
	}

	void DisassemblerGui::addColumnsToDisassembler( HWND list )
	{
	if (list)
	{
	LVCOLUMN * lvc = (LVCOLUMN*)malloc(sizeof(LVCOLUMN));

	ListView_SetExtendedListViewStyleEx(list,LVS_EX_FULLROWSELECT,LVS_EX_FULLROWSELECT);

	lvc->mask = LVCF_TEXT \| LVCF_WIDTH;
	lvc->fmt = LVCFMT_LEFT;
	lvc->cx = 105;
	lvc->pszText = L"Address";
	ListView_InsertColumn(list, COL_ADDRESS, lvc);

	lvc->mask = LVCF_FMT \| LVCF_TEXT \| LVCF_WIDTH;
	lvc->fmt = LVCFMT_CENTER;
	lvc->cx = 40;
	lvc->pszText = L"Size";
	ListView_InsertColumn(list, COL_INSTRUCTION_SIZE, lvc);

	lvc->mask = LVCF_FMT \| LVCF_TEXT \| LVCF_WIDTH;
	lvc->fmt = LVCFMT_LEFT;
	lvc->cx = 130;
	lvc->pszText = L"OpCodes";
	ListView_InsertColumn(list, COL_OPCODES, lvc);

	lvc->mask = LVCF_FMT \| LVCF_TEXT \| LVCF_WIDTH;
	lvc->fmt = LVCFMT_LEFT;
	lvc->cx = 200;
	lvc->pszText = L"Instructions";
	ListView_InsertColumn(list, COL_INSTRUCTION, lvc);


	free(lvc);
	}
	}

	void DisassemblerGui::displayDisassembly()
	{
	LVITEM item;
	HWND hList = GetDlgItem(hWndDlg, IDC_LIST_DISASSEMBLER);

	ListView_DeleteAllItems(hList);

	item.mask = LVIF_TEXT;

	BYTE * data = new BYTE[DISASSEMBLER_GUI_MEMORY_SIZE];

	ProcessAccessHelp::readMemoryFromProcess(startAddress,DISASSEMBLER_GUI_MEMORY_SIZE, data);

	ProcessAccessHelp::disassembleMemory(data,DISASSEMBLER_GUI_MEMORY_SIZE, startAddress);

	for (unsigned int i = 0; i < ProcessAccessHelp::decodedInstructionsCount; i++)
	{

	#ifdef _WIN64
	swprintf_s(tempBuffer, _countof(tempBuffer),L"%016I64X",ProcessAccessHelp::decodedInstructions[i].offset);
	#else
	swprintf_s(tempBuffer, _countof(tempBuffer),L"%08X",ProcessAccessHelp::decodedInstructions[i].offset);
	#endif

	item.iItem = i;
	item.iSubItem = COL_ADDRESS;
	item.pszText = tempBuffer;
	item.iItem = ListView_InsertItem(hList, &item);

	swprintf_s(tempBuffer, _countof(tempBuffer),L"%02d",ProcessAccessHelp::decodedInstructions[i].size);

	item.iSubItem = COL_INSTRUCTION_SIZE;
	item.pszText = tempBuffer;
	ListView_SetItem(hList, &item);

	swprintf_s(tempBuffer, _countof(tempBuffer),L"%-24S",(char *)ProcessAccessHelp::decodedInstructions[i].instructionHex.p);

	item.iSubItem = COL_OPCODES;
	item.pszText = tempBuffer;
	ListView_SetItem(hList, &item);

	swprintf_s(tempBuffer, _countof(tempBuffer),L"%S%S%S",(char)ProcessAccessHelp::decodedInstructions[i].mnemonic.p, ProcessAccessHelp::decodedInstructions[i].operands.length != 0 ? " " : "", (char)ProcessAccessHelp::decodedInstructions[i].operands.p);

	item.iSubItem = COL_INSTRUCTION;
	item.pszText = tempBuffer;
	ListView_SetItem(hList, &item);
	}

	delete [] data;
	}

	void DisassemblerGui::OnContextMenu(int x, int y)
	{
	HWND hwnd = 0;
	int selection;
	POINT pt = { x, y }; // location of mouse click
	HTREEITEM selectedTreeNode = 0;

	if ((hwnd = mouseInDialogItem(IDC_LIST_DISASSEMBLER, pt)) != NULL)
	{
	HMENU hmenuTrackPopup = getCorrectSubMenu(IDR_MENU_DISASSEMBLER, 0);

	BOOL menuItem = TrackPopupMenu(hmenuTrackPopup, TPM_LEFTALIGN \| TPM_RIGHTBUTTON \| TPM_RETURNCMD, pt.x, pt.y, 0, hwnd, 0);

	if (menuItem)
	{
	selection = ListView_GetSelectionMark(hwnd);
	if (selection != -1) //valid selection?
	{
	switch (menuItem)
	{
	case ID__DIS_ADDRESS:
	getModuleListItem(COL_ADDRESS,selection,tempBuffer);
	copyToClipboard();
	break;
	case ID__DIS_SIZE:
	getModuleListItem(COL_INSTRUCTION_SIZE,selection,tempBuffer);
	copyToClipboard();
	break;
	case ID__DIS_OPCODES:
	getModuleListItem(COL_OPCODES,selection,tempBuffer);
	copyToClipboard();
	break;
	case ID__DIS_INSTRUCTIONS:
	getModuleListItem(COL_INSTRUCTION,selection,tempBuffer);
	copyToClipboard();
	break;
	}
	}
	}
	}

	}

	void DisassemblerGui::copyToClipboard()
	{
	HGLOBAL hMem = GlobalAlloc(GMEM_MOVEABLE, sizeof(tempBuffer));
	LPVOID lock = GlobalLock(hMem);

	CopyMemory(lock,tempBuffer, sizeof(tempBuffer));

	if (!OpenClipboard(hWndDlg))
	return;

	EmptyClipboard();

	GlobalUnlock(hMem);

	SetClipboardData(CF_UNICODETEXT, hMem);
	CloseClipboard();

	GlobalFree(hMem);
	}

	void DisassemblerGui::getModuleListItem(int column, int iItem, WCHAR * buffer)
	{
	LVITEM pitem = {0};
	pitem.iItem = iItem;
	pitem.iSubItem = column;
	pitem.mask = LVIF_TEXT;
	pitem.cchTextMax = 256;
	pitem.pszText = buffer;
	ListView_GetItem(GetDlgItem(hWndDlg, IDC_LIST_DISASSEMBLER),&pitem);
	}


	HMENU DisassemblerGui::getCorrectSubMenu(int menuItem, int subMenuItem)
	{
	HMENU hmenu; // top-level menu
	HMENU hmenuTrackPopup; // shortcut menu
	// Load the menu resource.
	if ((hmenu = LoadMenu(hInstance, MAKEINTRESOURCE(menuItem))) == NULL)
	return 0;

	hmenuTrackPopup = GetSubMenu(hmenu, subMenuItem);

	if (hmenuTrackPopup)
	{
	return hmenuTrackPopup;
	}
	else
	{
	return 0;
	}
	}

	HWND DisassemblerGui::mouseInDialogItem(int dlgItem, POINT pt)
	{
	RECT rc;
	HWND hwnd = GetDlgItem(hWndDlg, dlgItem);
	if (hwnd)
	{
	// Get the bounding rectangle of the client area.
	GetClientRect(hwnd, &rc);

	// Convert the mouse position to client coordinates.
	ScreenToClient(hwnd, &pt);

	// If the position is in the client area, display a
	// shortcut menu.
	if (PtInRect(&rc, pt))
	{
	return hwnd;
	}
	else
	{
	return 0;
	}
	}
	else
	{
	return 0;
	}
	}

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