Add command and code for bidirectional LF emulation of Hitag2. Should be extended...

[proxmark3-svn] / winsrc / gui.cpp

//-----------------------------------------------------------------------------\r
// Routines for the user interface when doing interactive things with prox\r
// cards; this is basically a command line thing, in one window, and then\r
// another window to do the graphs.\r
// Jonathan Westhues, Sept 2005\r
//-----------------------------------------------------------------------------\r
#include <windows.h>\r
#include <limits.h>\r
#include <commctrl.h>\r
#include <stdlib.h>\r
#include <stdio.h>\r
#include <math.h>\r
\r
#include "prox.h"\r
\r
#define oops() do { \\r
	char line[100]; \\r
	sprintf(line, "Internal error at line %d file '%s'", __LINE__, \\r
		__FILE__); \\r
	MessageBox(NULL, line, "Error", MB_ICONERROR); \\r
	exit(-1); \\r
} while(0)\r
\r
void dbp(char *str, ...)\r
{\r
	va_list f;\r
	char buf[1024];\r
	va_start(f, str);\r
	vsprintf(buf, str, f);\r
	OutputDebugString(buf);\r
	OutputDebugString("\n");\r
}\r
\r
int GraphBuffer[MAX_GRAPH_TRACE_LEN];\r
int GraphTraceLen;\r
int PlotGridX, PlotGridY;\r
\r
HPEN GreyPenLite, GreyPen, GreenPen, WhitePen, YellowPen;\r
HBRUSH GreenBrush, YellowBrush;\r
\r
static int GraphStart = 0;\r
static double GraphPixelsPerPoint = 1;\r
\r
static int CursorAPos;\r
static int CursorBPos;\r
double CursorScaleFactor = 1.0;\r
static HPEN CursorAPen;\r
static HPEN CursorBPen;\r
\r
static HWND CommandWindow;\r
static HWND GraphWindow;\r
static HWND ScrollbackEdit;\r
static HWND CommandEdit;\r
\r
#define COMMAND_HISTORY_MAX 16\r
static char CommandHistory[COMMAND_HISTORY_MAX][256];\r
static int CommandHistoryPos = -1;\r
static int CommandHistoryNext;\r
\r
static HFONT MyFixedFont;\r
#define FixedFont(x) SendMessage((x), WM_SETFONT, (WPARAM)MyFixedFont, TRUE)\r
\r
void ExecCmd(char *cmd)\r
{\r
}\r
\r
int CommandFinished;\r
int offset = 64;\r
\r
static void ResizeCommandWindow(void)\r
{\r
	int w, h;\r
	RECT r;\r
	GetClientRect(CommandWindow, &r);\r
	w = r.right - r.left;\r
	h = r.bottom - r.top;\r
	MoveWindow(ScrollbackEdit, 10, 10, w - 20, h - 50, TRUE);\r
	MoveWindow(CommandEdit, 10, h - 29, w - 20, 22, TRUE);\r
}\r
\r
void RepaintGraphWindow(void)\r
{\r
	InvalidateRect(GraphWindow, NULL, TRUE);\r
}\r
\r
static LRESULT CALLBACK\r
	CommandWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)\r
{\r
	switch (msg) {\r
		case WM_DESTROY:\r
		case WM_QUIT:\r
			exit(0);\r
			return 0;\r
\r
		case WM_SIZE:\r
			ResizeCommandWindow();\r
			return 0;\r
\r
		case WM_SETFOCUS:\r
			SetFocus(CommandEdit);\r
			break;\r
\r
		default:\r
			return DefWindowProc(hwnd, msg, wParam, lParam);\r
	}\r
\r
	return 1;\r
}\r
\r
static void PaintGraph(HDC hdc)\r
{\r
	RECT r;\r
	HBRUSH brush;\r
	HPEN pen;\r
	char str[250];\r
	int yMin = INT_MAX;\r
	int yMax = INT_MIN;\r
	int yMean = 0;\r
	int startMax = 0;\r
	int absYMax = 1;\r
	int n = 0, i = 0;\r
\r
	brush = GreenBrush;\r
	pen = GreenPen;\r
\r
	GetClientRect(GraphWindow, &r);\r
	int zeroHeight = (r.top + r.bottom) >> 1;\r
\r
	// plot X and Y grid lines\r
	if ((PlotGridX > 0) && ((PlotGridX * GraphPixelsPerPoint) > 1)) {\r
		for(i = offset; i < r.right; i += (int)(PlotGridX * GraphPixelsPerPoint)) {\r
			SelectObject(hdc, GreyPenLite);\r
			MoveToEx(hdc, r.left + i, r.top, NULL);\r
			LineTo(hdc, r.left + i, r.bottom);\r
		}\r
  }\r
\r
	if ((PlotGridY > 0) && ((PlotGridY * GraphPixelsPerPoint) > 1)){\r
		for(i = 0; i < ((r.top + r.bottom)>>1); i += (int)(PlotGridY * GraphPixelsPerPoint)) {\r
			SelectObject(hdc, GreyPenLite);\r
			MoveToEx(hdc, r.left, zeroHeight + i, NULL);\r
			LineTo(hdc, r.right, zeroHeight + i);\r
			MoveToEx(hdc, r.left, zeroHeight - i, NULL);\r
			LineTo(hdc, r.right, zeroHeight - i);\r
		}\r
  }\r
\r
	// print vertical separator white line on the left of the window\r
	SelectObject(hdc, WhitePen);\r
	MoveToEx(hdc, r.left + offset, r.top, NULL);\r
	LineTo(hdc, r.left + offset, r.bottom);\r
\r
	// print horizontal grey zero axis line\r
	SelectObject(hdc, GreyPen);\r
	MoveToEx(hdc, r.left, zeroHeight, NULL);\r
	LineTo(hdc, r.right, zeroHeight);\r
\r
	startMax = (GraphTraceLen - (int)((r.right - r.left - offset) / GraphPixelsPerPoint));\r
	// check boundaries\r
	if(startMax < 0) startMax = 0;\r
	if(GraphStart > startMax) GraphStart = startMax;\r
	if(GraphStart < 0) GraphStart = 0;\r
\r
\r
	SelectObject(hdc, pen);\r
\r
	// go over the portion of the graph to be displayed and find the largest\r
	// absolute value which will be used to auto scale the graph when displayed\r
	for(i = GraphStart; ; i++) {\r
		if(i >= GraphTraceLen) {\r
			break;\r
		}\r
		if(fabs((double)GraphBuffer[i]) > absYMax) {\r
			absYMax = (int)fabs((double)GraphBuffer[i]);\r
		}\r
		int x = offset + (int)((i - GraphStart)*GraphPixelsPerPoint);\r
		if(x > r.right) {\r
			break;\r
		}\r
	}\r
\r
	absYMax = (int)(absYMax*1.2 + 1);\r
	SelectObject(hdc, MyFixedFont);\r
	SetTextColor(hdc, RGB(255, 255, 255));\r
	SetBkColor(hdc, RGB(0, 0, 0));\r
\r
	// number of points that will be plotted\r
	double span = (int)((r.right - r.left) / GraphPixelsPerPoint);\r
\r
	// one label every offset pixels, let us say\r
	int labels = (r.right - r.left - offset) / offset;\r
	if(labels <= 0) labels = 1;\r
	// round to nearest power of 2\r
	int pointsPerLabel = (int)(log(span / labels)/log(2.0));\r
	if(pointsPerLabel <= 0) pointsPerLabel = 1;\r
	pointsPerLabel = (int)pow(2.0,pointsPerLabel);\r
\r
	// go over the graph and plot samples and labels\r
	for(i = GraphStart; ; i++) {\r
		if(i >= GraphTraceLen) {\r
			break;\r
		}\r
		int x = offset + (int)((i - GraphStart)*GraphPixelsPerPoint);\r
		if(x > r.right + GraphPixelsPerPoint) {\r
			break;\r
		}\r
\r
		int y = GraphBuffer[i];\r
		if(y < yMin) yMin = y;\r
		if(y > yMax) yMax = y;\r
		yMean += y;\r
		n++;\r
\r
		y = (y * (r.top - r.bottom) / (2*absYMax)) + zeroHeight;\r
		if(i == GraphStart) {\r
			MoveToEx(hdc, x, y, NULL);\r
		} else {\r
			LineTo(hdc, x, y);\r
		}\r
\r
		if(GraphPixelsPerPoint > 10) {\r
			RECT f;\r
			f.left = x - 3;\r
			f.top = y - 3;\r
			f.right = x + 3;\r
			f.bottom = y + 3;\r
			FillRect(hdc, &f, brush);\r
		}\r
\r
		// plot labels\r
		if(((i - GraphStart) % pointsPerLabel == 0) && i != GraphStart) {\r
			SelectObject(hdc, WhitePen);\r
			MoveToEx(hdc, x, zeroHeight - 8, NULL);\r
			LineTo(hdc, x, zeroHeight + 8);\r
\r
			sprintf(str, "+%d", i);\r
			SIZE size;\r
			GetTextExtentPoint32(hdc, str, strlen(str), &size);\r
			TextOut(hdc, x - size.cx, zeroHeight + 8, str, strlen(str));\r
\r
			SelectObject(hdc, pen);\r
			MoveToEx(hdc, x, y, NULL);\r
		}\r
\r
		// plot measurement cursors\r
		if(i == CursorAPos || i == CursorBPos) {\r
			if(i == CursorAPos) {\r
				SelectObject(hdc, CursorAPen);\r
			} else {\r
				SelectObject(hdc, CursorBPen);\r
			}\r
			MoveToEx(hdc, x, r.top, NULL);\r
			LineTo(hdc, x, r.bottom);\r
\r
			SelectObject(hdc, pen);\r
			MoveToEx(hdc, x, y, NULL);\r
		}\r
	}\r
\r
	if(n != 0) {\r
		yMean /= n;\r
	}\r
\r
	// print misc information at bottom of graph window\r
	sprintf(str, "@%d   max=%d min=%d mean=%d n=%d/%d    dt=%d [%.3f] zoom=%.3f CursorA=%d [%d] CursorB=%d [%d]",\r
		GraphStart, yMax, yMin, yMean, n, GraphTraceLen,\r
		CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor, GraphPixelsPerPoint,\r
		CursorAPos, GraphBuffer[CursorAPos], CursorBPos, GraphBuffer[CursorBPos]);\r
	TextOut(hdc, 50, r.bottom - 20, str, strlen(str));\r
}\r
\r
static LRESULT CALLBACK\r
	GraphWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)\r
{\r
	switch (msg) {\r
		case WM_DESTROY:\r
		case WM_QUIT:\r
			GraphWindow = NULL;\r
			return DefWindowProc(hwnd, msg, wParam, lParam);\r
\r
		case WM_SIZE:\r
			RepaintGraphWindow();\r
			return 0;\r
\r
		case WM_PAINT: {\r
			PAINTSTRUCT ps;\r
			HDC hdc = BeginPaint(hwnd, &ps);\r
			if(GraphStart < 0) {\r
				GraphStart = 0;\r
			}\r
			// This draws the trace.\r
			PaintGraph(hdc);\r
			EndPaint(hwnd, &ps);\r
			break;\r
		}\r
		case WM_KEYDOWN:\r
			switch(wParam) {\r
				case VK_DOWN:\r
					if(GraphPixelsPerPoint <= 8) {\r
						GraphPixelsPerPoint *= 2;\r
					}\r
					break;\r
\r
				case VK_UP:\r
					if(GraphPixelsPerPoint >= 0.01) {\r
						GraphPixelsPerPoint /= 2;\r
					}\r
					break;\r
\r
				case VK_RIGHT:\r
					if(GraphPixelsPerPoint < 16) {\r
						GraphStart += (int)(16 / GraphPixelsPerPoint);\r
					} else {\r
						GraphStart++;\r
					}\r
					break;\r
\r
				case VK_LEFT:\r
					if(GraphPixelsPerPoint < 16) {\r
						GraphStart -= (int)(16 / GraphPixelsPerPoint);\r
					} else {\r
						GraphStart--;\r
					}\r
					break;\r
\r
				default:\r
					goto nopaint;\r
			}\r
			RepaintGraphWindow();\r
nopaint:\r
			break;\r
\r
		case WM_LBUTTONDOWN:\r
		case WM_RBUTTONDOWN: {\r
			int x = LOWORD(lParam);\r
			x -= offset;\r
			x = (int)(x / GraphPixelsPerPoint);\r
			x += GraphStart;\r
\r
			if(msg == WM_LBUTTONDOWN) {\r
				CursorAPos = x;\r
			} else {\r
				CursorBPos = x;\r
			}\r
			RepaintGraphWindow();\r
			break;\r
		}\r
		default:\r
			return DefWindowProc(hwnd, msg, wParam, lParam);\r
	}\r
\r
	return 1;\r
}\r
\r
void PrintToScrollback(char *fmt, ...)\r
{\r
	va_list f;\r
	char str[1024];\r
	strcpy(str, "\r\n");\r
	va_start(f, fmt);\r
	vsprintf(str+2, fmt, f);\r
\r
	static char TextBuf[1024*32];\r
	SendMessage(ScrollbackEdit, WM_GETTEXT, (WPARAM)sizeof(TextBuf),\r
		(LPARAM)TextBuf);\r
\r
	if(strlen(TextBuf) + strlen(str) + 1 <= sizeof(TextBuf)) {\r
		strcat(TextBuf, str);\r
	} else {\r
		lstrcpyn(TextBuf, str, sizeof(TextBuf));\r
	}\r
\r
	SendMessage(ScrollbackEdit, WM_SETTEXT, 0, (LPARAM)TextBuf);\r
	SendMessage(ScrollbackEdit, EM_LINESCROLL, 0, (LPARAM)INT_MAX);\r
}\r
\r
void ShowGraphWindow(void)\r
{\r
	if(GraphWindow) return;\r
\r
	GraphWindow = CreateWindowEx(0, "Graph", "graphed",\r
		WS_OVERLAPPED | WS_BORDER | WS_MINIMIZEBOX | WS_SYSMENU |\r
		WS_SIZEBOX | WS_VISIBLE, 200, 150, 600, 500, NULL, NULL, NULL,\r
		NULL);\r
	if(!GraphWindow) oops();\r
}\r
\r
void HideGraphWindow(void)\r
{\r
	if(GraphWindow) {\r
		DestroyWindow(GraphWindow);\r
		GraphWindow = NULL;\r
	}\r
}\r
\r
static void SetCommandEditTo(char *str)\r
{\r
	SendMessage(CommandEdit, WM_SETTEXT, 0, (LPARAM)str);\r
	SendMessage(CommandEdit, EM_SETSEL, strlen(str), strlen(str));\r
}\r
\r
void ShowGui()\r
{\r
	WNDCLASSEX wc;\r
	memset(&wc, 0, sizeof(wc));\r
	wc.cbSize = sizeof(wc);\r
\r
	wc.style			= CS_BYTEALIGNCLIENT | CS_BYTEALIGNWINDOW | CS_OWNDC;\r
	wc.lpfnWndProc		= (WNDPROC)CommandWindowProc;\r
	wc.hInstance		= NULL;\r
	wc.hbrBackground	= (HBRUSH)(COLOR_BTNSHADOW);\r
	wc.lpszClassName	= "Command";\r
	wc.lpszMenuName		= NULL;\r
	wc.hCursor			= LoadCursor(NULL, IDC_ARROW);\r
\r
	if(!RegisterClassEx(&wc)) oops();\r
\r
	wc.lpszClassName	= "Graph";\r
	wc.lpfnWndProc		= (WNDPROC)GraphWindowProc;\r
	wc.hbrBackground	= (HBRUSH)GetStockObject(BLACK_BRUSH);\r
\r
	if(!RegisterClassEx(&wc)) oops();\r
\r
	CommandWindow = CreateWindowEx(0, "Command", "prox",\r
		WS_OVERLAPPED | WS_BORDER | WS_MINIMIZEBOX | WS_SYSMENU |\r
		WS_SIZEBOX | WS_VISIBLE, 20, 20, 500, 400, NULL, NULL, NULL,\r
		NULL);\r
	if(!CommandWindow) oops();\r
\r
	ScrollbackEdit = CreateWindowEx(WS_EX_CLIENTEDGE, "edit", "",\r
		WS_CHILD | WS_CLIPSIBLINGS | WS_VISIBLE | ES_MULTILINE |\r
		ES_AUTOVSCROLL | WS_VSCROLL, 0, 0, 0, 0, CommandWindow, NULL,\r
		NULL, NULL);\r
\r
	CommandEdit = CreateWindowEx(WS_EX_CLIENTEDGE, "edit", "",\r
		WS_CHILD | WS_CLIPSIBLINGS | WS_TABSTOP | WS_VISIBLE |\r
		ES_AUTOHSCROLL, 0, 0, 0, 0, CommandWindow, NULL, NULL, NULL);\r
\r
	MyFixedFont = CreateFont(14, 0, 0, 0, FW_REGULAR, FALSE, FALSE, FALSE,\r
		ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,\r
		FF_DONTCARE, "Lucida Console");\r
	if(!MyFixedFont)\r
		MyFixedFont = (HFONT)GetStockObject(SYSTEM_FONT);\r
\r
	FixedFont(ScrollbackEdit);\r
	FixedFont(CommandEdit);\r
\r
	ResizeCommandWindow();\r
	SetFocus(CommandEdit);\r
\r
	PrintToScrollback(">> Started prox, built " __DATE__ " " __TIME__);\r
	PrintToScrollback(">> Connected to device");\r
\r
	GreyPenLite = CreatePen(PS_SOLID, 1, RGB(50, 50, 50));\r
	GreyPen = CreatePen(PS_SOLID, 1, RGB(100, 100, 100));\r
	GreenPen = CreatePen(PS_SOLID, 1, RGB(100, 255, 100));\r
	YellowPen = CreatePen(PS_SOLID, 1, RGB(255, 255, 0));\r
	GreenBrush = CreateSolidBrush(RGB(100, 255, 100));\r
	YellowBrush = CreateSolidBrush(RGB(255, 255, 0));\r
	WhitePen = CreatePen(PS_SOLID, 1, RGB(255, 255, 255));\r
\r
	CursorAPen = CreatePen(PS_DASH, 1, RGB(255, 255, 0));\r
	CursorBPen = CreatePen(PS_DASH, 1, RGB(255, 0, 255));\r
\r
	MSG msg;\r
	for(;;) {\r
		if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {\r
			if(msg.message == WM_KEYDOWN && msg.wParam == VK_RETURN) {\r
				char got[1024];\r
				SendMessage(CommandEdit, WM_GETTEXT, (WPARAM)sizeof(got),\r
					(LPARAM)got);\r
\r
				if(strcmp(got, "cls")==0) {\r
					SendMessage(ScrollbackEdit, WM_SETTEXT, 0, (LPARAM)"");\r
				} else {\r
					CommandReceived(got);\r
				}\r
				SendMessage(CommandEdit, WM_SETTEXT, 0, (LPARAM)"");\r
\r
				// Insert it into the command history, unless it is\r
				// identical to the previous command in the history.\r
				int prev = CommandHistoryNext - 1;\r
				if(prev < 0) prev += COMMAND_HISTORY_MAX;\r
				if(strcmp(CommandHistory[prev], got) != 0) {\r
					strcpy(CommandHistory[CommandHistoryNext], got);\r
					CommandHistoryNext++;\r
					if(CommandHistoryNext == COMMAND_HISTORY_MAX) {\r
						CommandHistoryNext = 0;\r
					}\r
				}\r
				CommandHistoryPos = -1;\r
			} else if(msg.message == WM_KEYDOWN && msg.wParam == VK_UP &&\r
				msg.hwnd == CommandEdit)\r
			{\r
				if(CommandHistoryPos == -1) {\r
					CommandHistoryPos = CommandHistoryNext;\r
				}\r
				CommandHistoryPos--;\r
				if(CommandHistoryPos < 0) {\r
					CommandHistoryPos = COMMAND_HISTORY_MAX-1;\r
				}\r
				SetCommandEditTo(CommandHistory[CommandHistoryPos]);\r
			} else if(msg.message == WM_KEYDOWN && msg.wParam == VK_DOWN &&\r
				msg.hwnd == CommandEdit)\r
			{\r
				CommandHistoryPos++;\r
				if(CommandHistoryPos >= COMMAND_HISTORY_MAX) {\r
					CommandHistoryPos = 0;\r
				}\r
				SetCommandEditTo(CommandHistory[CommandHistoryPos]);\r
			} else if(msg.message == WM_KEYDOWN && msg.wParam == VK_ESCAPE &&\r
				msg.hwnd == CommandEdit)\r
			{\r
				SendMessage(CommandEdit, WM_SETTEXT, 0, (LPARAM)"");\r
			} else {\r
				if(msg.message == WM_KEYDOWN) {\r
					CommandHistoryPos = -1;\r
				}\r
				TranslateMessage(&msg);\r
				DispatchMessage(&msg);\r
			}\r
		}\r
\r
		if (!offline)\r
		{\r
			UsbCommand c;\r
			if(ReceiveCommandPoll(&c))\r
				UsbCommandReceived(&c);\r
		}\r
\r
		Sleep(10);\r
	}\r
}\r