[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 offline; // Whether the GUI operates in Offline mode.\r
\r
HPEN 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
	HBRUSH brush;\r
	HPEN pen;\r
\r
	brush = GreenBrush;\r
	pen = GreenPen;\r
\r
	if(GraphStart < 0) {\r
		GraphStart = 0;\r
	}\r
\r
	RECT r;\r
	GetClientRect(GraphWindow, &r);\r
\r
	SelectObject(hdc, WhitePen);\r
\r
	MoveToEx(hdc, r.left + offset, r.top, NULL);\r
	LineTo(hdc, r.left + offset, r.bottom);\r
\r
	int zeroHeight = r.top + (r.bottom - r.top) / 2;\r
	SelectObject(hdc, GreyPen);\r
	MoveToEx(hdc, r.left, zeroHeight, NULL);\r
	LineTo(hdc, r.right, zeroHeight);\r
\r
	int startMax =\r
		(GraphTraceLen - (int)((r.right - r.left - offset) / GraphPixelsPerPoint));\r
	if(startMax < 0) {\r
		startMax = 0;\r
	}\r
	if(GraphStart > startMax) {\r
		GraphStart = startMax;\r
	}\r
\r
	int absYMax = 1;\r
\r
	SelectObject(hdc, pen);\r
\r
	int i;\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
	int yMin = INT_MAX;\r
	int yMax = INT_MIN;\r
	int yMean = 0;\r
	int n = 0;\r
\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) {\r
			yMin = y;\r
		}\r
		if(y > yMax) {\r
			yMax = y;\r
		}\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
		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
			char str[100];\r
			sprintf(str, "+%d", (i - GraphStart));\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
		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
	char str[100];\r
	sprintf(str, "@%d   max=%d min=%d mean=%d n=%d/%d    dt=%d [%.3f] zoom=%.3f",\r
		GraphStart, yMax, yMin, yMean, n, GraphTraceLen,\r
		CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor, GraphPixelsPerPoint);\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
			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(void)\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
	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
		UsbCommand c;\r
		if(ReceiveCommandPoll(&c)) {\r
			UsbCommandReceived(&c);\r
		}\r
\r
		Sleep(10);\r
	}\r
}\r
Commit	Line	Data
6658905f	1	//-----------------------------------------------------------------------------\r
	2	// Routines for the user interface when doing interactive things with prox\r
	3	// cards; this is basically a command line thing, in one window, and then\r
	4	// another window to do the graphs.\r
	5	// Jonathan Westhues, Sept 2005\r
	6	//-----------------------------------------------------------------------------\r
	7	#include <windows.h>\r
	8	#include <limits.h>\r
	9	#include <commctrl.h>\r
	10	#include <stdlib.h>\r
	11	#include <stdio.h>\r
	12	#include <math.h>\r
	13	\r
	14	#include "prox.h"\r
	15	\r
	16	#define oops() do { \\r
	17	char line[100]; \\r
	18	sprintf(line, "Internal error at line %d file '%s'", __LINE__, \\r
	19	__FILE__); \\r
	20	MessageBox(NULL, line, "Error", MB_ICONERROR); \\r
	21	exit(-1); \\r
	22	} while(0)\r
	23	\r
	24	void dbp(char *str, ...)\r
	25	{\r
	26	va_list f;\r
	27	char buf[1024];\r
	28	va_start(f, str);\r
	29	vsprintf(buf, str, f);\r
	30	OutputDebugString(buf);\r
	31	OutputDebugString("\n");\r
	32	}\r
	33	\r
	34	int GraphBuffer[MAX_GRAPH_TRACE_LEN];\r
	35	int GraphTraceLen;\r
d722c4ce	36	int offline; // Whether the GUI operates in Offline mode.\r
6658905f	37	\r
	38	HPEN GreyPen, GreenPen, WhitePen, YellowPen;\r
	39	HBRUSH GreenBrush, YellowBrush;\r
	40	\r
	41	static int GraphStart = 0;\r
	42	static double GraphPixelsPerPoint = 1;\r
	43	\r
	44	static int CursorAPos;\r
	45	static int CursorBPos;\r
	46	double CursorScaleFactor = 1.0;\r
	47	static HPEN CursorAPen;\r
	48	static HPEN CursorBPen;\r
	49	\r
	50	static HWND CommandWindow;\r
	51	static HWND GraphWindow;\r
	52	static HWND ScrollbackEdit;\r
	53	static HWND CommandEdit;\r
	54	\r
	55	#define COMMAND_HISTORY_MAX 16\r
	56	static char CommandHistory[COMMAND_HISTORY_MAX][256];\r
	57	static int CommandHistoryPos = -1;\r
	58	static int CommandHistoryNext;\r
	59	\r
	60	static HFONT MyFixedFont;\r
	61	#define FixedFont(x) SendMessage((x), WM_SETFONT, (WPARAM)MyFixedFont, TRUE)\r
	62	\r
	63	void ExecCmd(char *cmd)\r
	64	{\r
	65	\r
	66	}\r
	67	int CommandFinished;\r
30f2a7d3	68	int offset = 64;\r
6658905f	69	\r
	70	static void ResizeCommandWindow(void)\r
	71	{\r
	72	int w, h;\r
	73	RECT r;\r
	74	GetClientRect(CommandWindow, &r);\r
	75	w = r.right - r.left;\r
	76	h = r.bottom - r.top;\r
	77	MoveWindow(ScrollbackEdit, 10, 10, w - 20, h - 50, TRUE);\r
	78	MoveWindow(CommandEdit, 10, h - 29, w - 20, 22, TRUE);\r
	79	}\r
	80	\r
	81	void RepaintGraphWindow(void)\r
	82	{\r
	83	InvalidateRect(GraphWindow, NULL, TRUE);\r
	84	}\r
	85	\r
	86	static LRESULT CALLBACK\r
	87	CommandWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)\r
	88	{\r
	89	switch (msg) {\r
	90	case WM_DESTROY:\r
	91	case WM_QUIT:\r
	92	exit(0);\r
	93	return 0;\r
	94	\r
	95	case WM_SIZE:\r
	96	ResizeCommandWindow();\r
	97	return 0;\r
	98	\r
	99	case WM_SETFOCUS:\r
	100	SetFocus(CommandEdit);\r
	101	break;\r
	102	\r
	103	default:\r
	104	return DefWindowProc(hwnd, msg, wParam, lParam);\r
	105	}\r
	106	\r
	107	return 1;\r
	108	}\r
	109	\r
	110	static void PaintGraph(HDC hdc)\r
	111	{\r
	112	HBRUSH brush;\r
	113	HPEN pen;\r
	114	\r
	115	brush = GreenBrush;\r
	116	pen = GreenPen;\r
	117	\r
	118	if(GraphStart < 0) {\r
	119	GraphStart = 0;\r
	120	}\r
	121	\r
	122	RECT r;\r
	123	GetClientRect(GraphWindow, &r);\r
	124	\r
	125	SelectObject(hdc, WhitePen);\r
	126	\r
30f2a7d3	127	MoveToEx(hdc, r.left + offset, r.top, NULL);\r
30f2a7d3	128	LineTo(hdc, r.left + offset, r.bottom);\r
6658905f	129	\r
	130	int zeroHeight = r.top + (r.bottom - r.top) / 2;\r
	131	SelectObject(hdc, GreyPen);\r
	132	MoveToEx(hdc, r.left, zeroHeight, NULL);\r
	133	LineTo(hdc, r.right, zeroHeight);\r
	134	\r
	135	int startMax =\r
30f2a7d3	136	(GraphTraceLen - (int)((r.right - r.left - offset) / GraphPixelsPerPoint));\r
6658905f	137	if(startMax < 0) {\r
	138	startMax = 0;\r
	139	}\r
	140	if(GraphStart > startMax) {\r
	141	GraphStart = startMax;\r
	142	}\r
	143	\r
	144	int absYMax = 1;\r
	145	\r
	146	SelectObject(hdc, pen);\r
	147	\r
	148	int i;\r
	149	for(i = GraphStart; ; i++) {\r
	150	if(i >= GraphTraceLen) {\r
	151	break;\r
	152	}\r
	153	if(fabs((double)GraphBuffer[i]) > absYMax) {\r
	154	absYMax = (int)fabs((double)GraphBuffer[i]);\r
	155	}\r
30f2a7d3	156	int x = offset + (int)((i - GraphStart)*GraphPixelsPerPoint);\r
6658905f	157	if(x > r.right) {\r
	158	break;\r
	159	}\r
	160	}\r
	161	\r
	162	absYMax = (int)(absYMax*1.2 + 1);\r
	163	SelectObject(hdc, MyFixedFont);\r
	164	SetTextColor(hdc, RGB(255, 255, 255));\r
	165	SetBkColor(hdc, RGB(0, 0, 0));\r
	166	\r
	167	// number of points that will be plotted\r
30f2a7d3	168	double span = (int)((r.right - r.left) / GraphPixelsPerPoint);\r
	169	\r
	170	// one label every offset pixels, let us say\r
	171	int labels = (r.right - r.left - offset) / offset;\r
6658905f	172	if(labels <= 0) labels = 1;\r
30f2a7d3	173	// round to nearest power of 2\r
30f2a7d3	174	int pointsPerLabel = (int)(log(span / labels)/log(2.0));\r
6658905f	175	if(pointsPerLabel <= 0) pointsPerLabel = 1;\r
30f2a7d3	176	pointsPerLabel = (int)pow(2.0,pointsPerLabel);\r
6658905f	177	\r
	178	int yMin = INT_MAX;\r
	179	int yMax = INT_MIN;\r
	180	int yMean = 0;\r
	181	int n = 0;\r
	182	\r
	183	for(i = GraphStart; ; i++) {\r
	184	if(i >= GraphTraceLen) {\r
	185	break;\r
	186	}\r
30f2a7d3	187	int x = offset + (int)((i - GraphStart)*GraphPixelsPerPoint);\r
6658905f	188	if(x > r.right + GraphPixelsPerPoint) {\r
	189	break;\r
	190	}\r
	191	\r
	192	int y = GraphBuffer[i];\r
	193	if(y < yMin) {\r
	194	yMin = y;\r
	195	}\r
	196	if(y > yMax) {\r
	197	yMax = y;\r
	198	}\r
	199	yMean += y;\r
	200	n++;\r
	201	\r
	202	y = (y * (r.top - r.bottom) / (2*absYMax)) + zeroHeight;\r
	203	if(i == GraphStart) {\r
	204	MoveToEx(hdc, x, y, NULL);\r
	205	} else {\r
	206	LineTo(hdc, x, y);\r
	207	}\r
	208	\r
	209	if(GraphPixelsPerPoint > 10) {\r
	210	RECT f;\r
	211	f.left = x - 3;\r
	212	f.top = y - 3;\r
	213	f.right = x + 3;\r
	214	f.bottom = y + 3;\r
	215	FillRect(hdc, &f, brush);\r
	216	}\r
	217	\r
	218	if(((i - GraphStart) % pointsPerLabel == 0) && i != GraphStart) {\r
	219	SelectObject(hdc, WhitePen);\r
30f2a7d3	220	MoveToEx(hdc, x, zeroHeight - 8, NULL);\r
30f2a7d3	221	LineTo(hdc, x, zeroHeight + 8);\r
6658905f	222	\r
	223	char str[100];\r
	224	sprintf(str, "+%d", (i - GraphStart));\r
	225	SIZE size;\r
	226	GetTextExtentPoint32(hdc, str, strlen(str), &size);\r
	227	TextOut(hdc, x - size.cx, zeroHeight + 8, str, strlen(str));\r
	228	\r
	229	SelectObject(hdc, pen);\r
	230	MoveToEx(hdc, x, y, NULL);\r
	231	}\r
	232	\r
	233	if(i == CursorAPos \|\| i == CursorBPos) {\r
	234	if(i == CursorAPos) {\r
	235	SelectObject(hdc, CursorAPen);\r
	236	} else {\r
	237	SelectObject(hdc, CursorBPen);\r
	238	}\r
	239	MoveToEx(hdc, x, r.top, NULL);\r
	240	LineTo(hdc, x, r.bottom);\r
	241	\r
	242	SelectObject(hdc, pen);\r
	243	MoveToEx(hdc, x, y, NULL);\r
	244	}\r
	245	}\r
	246	\r
	247	if(n != 0) {\r
	248	yMean /= n;\r
	249	}\r
	250	\r
	251	char str[100];\r
30f2a7d3	252	sprintf(str, "@%d max=%d min=%d mean=%d n=%d/%d dt=%d [%.3f] zoom=%.3f",\r
6658905f	253	GraphStart, yMax, yMin, yMean, n, GraphTraceLen,\r
30f2a7d3	254	CursorBPos - CursorAPos, (CursorBPos - CursorAPos)/CursorScaleFactor, GraphPixelsPerPoint);\r
6658905f	255	TextOut(hdc, 50, r.bottom - 20, str, strlen(str));\r
	256	}\r
	257	\r
	258	static LRESULT CALLBACK\r
	259	GraphWindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)\r
	260	{\r
	261	switch (msg) {\r
	262	case WM_DESTROY:\r
	263	case WM_QUIT:\r
	264	GraphWindow = NULL;\r
	265	return DefWindowProc(hwnd, msg, wParam, lParam);\r
	266	\r
	267	case WM_SIZE:\r
	268	RepaintGraphWindow();\r
	269	return 0;\r
	270	\r
	271	case WM_PAINT: {\r
	272	PAINTSTRUCT ps;\r
	273	HDC hdc = BeginPaint(hwnd, &ps);\r
	274	if(GraphStart < 0) {\r
	275	GraphStart = 0;\r
	276	}\r
	277	// This draws the trace.\r
	278	PaintGraph(hdc);\r
	279	EndPaint(hwnd, &ps);\r
	280	break;\r
	281	}\r
	282	case WM_KEYDOWN:\r
	283	switch(wParam) {\r
	284	case VK_DOWN:\r
30f2a7d3	285	if(GraphPixelsPerPoint <= 8) {\r
6658905f	286	GraphPixelsPerPoint *= 2;\r
	287	}\r
	288	break;\r
	289	\r
	290	case VK_UP:\r
30f2a7d3	291	if(GraphPixelsPerPoint >= 0.01) {\r
6658905f	292	GraphPixelsPerPoint /= 2;\r
	293	}\r
	294	break;\r
	295	\r
	296	case VK_RIGHT:\r
30f2a7d3	297	if(GraphPixelsPerPoint < 16) {\r
30f2a7d3	298	GraphStart += (int)(16 / GraphPixelsPerPoint);\r
6658905f	299	} else {\r
	300	GraphStart++;\r
	301	}\r
	302	break;\r
	303	\r
	304	case VK_LEFT:\r
30f2a7d3	305	if(GraphPixelsPerPoint < 16) {\r
30f2a7d3	306	GraphStart -= (int)(16 / GraphPixelsPerPoint);\r
6658905f	307	} else {\r
	308	GraphStart--;\r
	309	}\r
	310	break;\r
	311	\r
	312	default:\r
	313	goto nopaint;\r
	314	}\r
	315	RepaintGraphWindow();\r
	316	nopaint:\r
	317	break;\r
	318	\r
	319	case WM_LBUTTONDOWN:\r
	320	case WM_RBUTTONDOWN: {\r
	321	int x = LOWORD(lParam);\r
30f2a7d3	322	x -= offset;\r
6658905f	323	x = (int)(x / GraphPixelsPerPoint);\r
	324	x += GraphStart;\r
	325	if(msg == WM_LBUTTONDOWN) {\r
	326	CursorAPos = x;\r
	327	} else {\r
	328	CursorBPos = x;\r
	329	}\r
	330	RepaintGraphWindow();\r
	331	break;\r
	332	}\r
	333	default:\r
	334	return DefWindowProc(hwnd, msg, wParam, lParam);\r
	335	}\r
	336	\r
	337	return 1;\r
	338	}\r
	339	\r
	340	void PrintToScrollback(char *fmt, ...)\r
	341	{\r
	342	va_list f;\r
	343	char str[1024];\r
	344	strcpy(str, "\r\n");\r
	345	va_start(f, fmt);\r
	346	vsprintf(str+2, fmt, f);\r
	347	\r
	348	static char TextBuf[1024*32];\r
	349	SendMessage(ScrollbackEdit, WM_GETTEXT, (WPARAM)sizeof(TextBuf),\r
	350	(LPARAM)TextBuf);\r
	351	\r
	352	if(strlen(TextBuf) + strlen(str) + 1 <= sizeof(TextBuf)) {\r
	353	strcat(TextBuf, str);\r
	354	} else {\r
	355	lstrcpyn(TextBuf, str, sizeof(TextBuf));\r
	356	}\r
	357	\r
	358	SendMessage(ScrollbackEdit, WM_SETTEXT, 0, (LPARAM)TextBuf);\r
	359	SendMessage(ScrollbackEdit, EM_LINESCROLL, 0, (LPARAM)INT_MAX);\r
	360	}\r
	361	\r
	362	void ShowGraphWindow(void)\r
	363	{\r
	364	if(GraphWindow) return;\r
	365	\r
	366	GraphWindow = CreateWindowEx(0, "Graph", "graphed",\r
	367	WS_OVERLAPPED \| WS_BORDER \| WS_MINIMIZEBOX \| WS_SYSMENU \|\r
	368	WS_SIZEBOX \| WS_VISIBLE, 200, 150, 600, 500, NULL, NULL, NULL,\r
	369	NULL);\r
	370	if(!GraphWindow) oops();\r
	371	}\r
	372	\r
	373	void HideGraphWindow(void)\r
	374	{\r
	375	if(GraphWindow) {\r
	376	DestroyWindow(GraphWindow);\r
	377	GraphWindow = NULL;\r
	378	}\r
	379	}\r
	380	\r
	381	static void SetCommandEditTo(char *str)\r
	382	{\r
	383	SendMessage(CommandEdit, WM_SETTEXT, 0, (LPARAM)str);\r
	384	SendMessage(CommandEdit, EM_SETSEL, strlen(str), strlen(str));\r
	385	}\r
	386	\r
387	void ShowGui(void)\r
388	{\r
389	WNDCLASSEX wc;\r
390	memset(&wc, 0, sizeof(wc));\r
391	wc.cbSize = sizeof(wc);\r
392	\r
393	wc.style = CS_BYTEALIGNCLIENT \| CS_BYTEALIGNWINDOW \| CS_OWNDC;\r
394	wc.lpfnWndProc = (WNDPROC)CommandWindowProc;\r
395	wc.hInstance = NULL;\r
396	wc.hbrBackground = (HBRUSH)(COLOR_BTNSHADOW);\r
397	wc.lpszClassName = "Command";\r
398	wc.lpszMenuName = NULL;\r
399	wc.hCursor = LoadCursor(NULL, IDC_ARROW);\r
400	\r
401	if(!RegisterClassEx(&wc)) oops();\r
402	\r
403	wc.lpszClassName = "Graph";\r
404	wc.lpfnWndProc = (WNDPROC)GraphWindowProc;\r
405	wc.hbrBackground = (HBRUSH)GetStockObject(BLACK_BRUSH);\r
406	\r
407	if(!RegisterClassEx(&wc)) oops();\r
408	\r
409	CommandWindow = CreateWindowEx(0, "Command", "prox",\r
410	WS_OVERLAPPED \| WS_BORDER \| WS_MINIMIZEBOX \| WS_SYSMENU \|\r
411	WS_SIZEBOX \| WS_VISIBLE, 20, 20, 500, 400, NULL, NULL, NULL,\r
412	NULL);\r
413	if(!CommandWindow) oops();\r
414	\r
415	ScrollbackEdit = CreateWindowEx(WS_EX_CLIENTEDGE, "edit", "",\r
416	WS_CHILD \| WS_CLIPSIBLINGS \| WS_VISIBLE \| ES_MULTILINE \|\r
417	ES_AUTOVSCROLL \| WS_VSCROLL, 0, 0, 0, 0, CommandWindow, NULL,\r
418	NULL, NULL);\r
419	\r
420	CommandEdit = CreateWindowEx(WS_EX_CLIENTEDGE, "edit", "",\r
421	WS_CHILD \| WS_CLIPSIBLINGS \| WS_TABSTOP \| WS_VISIBLE \|\r
422	ES_AUTOHSCROLL, 0, 0, 0, 0, CommandWindow, NULL, NULL, NULL);\r
423	\r
424	MyFixedFont = CreateFont(14, 0, 0, 0, FW_REGULAR, FALSE, FALSE, FALSE,\r
425	ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,\r
426	FF_DONTCARE, "Lucida Console");\r
427	if(!MyFixedFont)\r
428	MyFixedFont = (HFONT)GetStockObject(SYSTEM_FONT);\r
429	\r
430	FixedFont(ScrollbackEdit);\r
431	FixedFont(CommandEdit);\r
432	\r
433	ResizeCommandWindow();\r
434	SetFocus(CommandEdit);\r
435	\r
436	PrintToScrollback(">> Started prox, built " __DATE__ " " __TIME__);\r
437	PrintToScrollback(">> Connected to device");\r
438	\r
439	GreyPen = CreatePen(PS_SOLID, 1, RGB(100, 100, 100));\r
440	GreenPen = CreatePen(PS_SOLID, 1, RGB(100, 255, 100));\r
441	YellowPen = CreatePen(PS_SOLID, 1, RGB(255, 255, 0));\r
442	GreenBrush = CreateSolidBrush(RGB(100, 255, 100));\r
443	YellowBrush = CreateSolidBrush(RGB(255, 255, 0));\r
444	WhitePen = CreatePen(PS_SOLID, 1, RGB(255, 255, 255));\r
445	\r
446	CursorAPen = CreatePen(PS_DASH, 1, RGB(255, 255, 0));\r
447	CursorBPen = CreatePen(PS_DASH, 1, RGB(255, 0, 255));\r
448	\r
449	MSG msg;\r
450	for(;;) {\r
451	if(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {\r
452	if(msg.message == WM_KEYDOWN && msg.wParam == VK_RETURN) {\r
453	char got[1024];\r
454	SendMessage(CommandEdit, WM_GETTEXT, (WPARAM)sizeof(got),\r
455	(LPARAM)got);\r
456	\r
457	if(strcmp(got, "cls")==0) {\r
458	SendMessage(ScrollbackEdit, WM_SETTEXT, 0, (LPARAM)"");\r
459	} else {\r
460	CommandReceived(got);\r
461	}\r
462	SendMessage(CommandEdit, WM_SETTEXT, 0, (LPARAM)"");\r
463	\r
464	// Insert it into the command history, unless it is\r
465	// identical to the previous command in the history.\r
466	int prev = CommandHistoryNext - 1;\r
467	if(prev < 0) prev += COMMAND_HISTORY_MAX;\r
468	if(strcmp(CommandHistory[prev], got) != 0) {\r
469	strcpy(CommandHistory[CommandHistoryNext], got);\r
470	CommandHistoryNext++;\r
471	if(CommandHistoryNext == COMMAND_HISTORY_MAX) {\r
472	CommandHistoryNext = 0;\r
473	}\r
474	}\r
475	CommandHistoryPos = -1;\r
476	} else if(msg.message == WM_KEYDOWN && msg.wParam == VK_UP &&\r
477	msg.hwnd == CommandEdit)\r
478	{\r
479	if(CommandHistoryPos == -1) {\r
480	CommandHistoryPos = CommandHistoryNext;\r
481	}\r
482	CommandHistoryPos--;\r
483	if(CommandHistoryPos < 0) {\r
484	CommandHistoryPos = COMMAND_HISTORY_MAX-1;\r
485	}\r
486	SetCommandEditTo(CommandHistory[CommandHistoryPos]);\r
487	} else if(msg.message == WM_KEYDOWN && msg.wParam == VK_DOWN &&\r
488	msg.hwnd == CommandEdit)\r
489	{\r
490	CommandHistoryPos++;\r
491	if(CommandHistoryPos >= COMMAND_HISTORY_MAX) {\r
492	CommandHistoryPos = 0;\r
493	}\r
494	SetCommandEditTo(CommandHistory[CommandHistoryPos]);\r
495	} else if(msg.message == WM_KEYDOWN && msg.wParam == VK_ESCAPE &&\r
496	msg.hwnd == CommandEdit)\r
497	{\r
498	SendMessage(CommandEdit, WM_SETTEXT, 0, (LPARAM)"");\r
499	} else {\r
500	if(msg.message == WM_KEYDOWN) {\r
501	CommandHistoryPos = -1;\r
502	}\r
503	TranslateMessage(&msg);\r
504	DispatchMessage(&msg);\r
505	}\r
506	}\r
507	\r
508	UsbCommand c;\r
509	if(ReceiveCommandPoll(&c)) {\r
510	UsbCommandReceived(&c);\r
511	}\r
512	\r
513	Sleep(10);\r
514	}\r
515	}\r