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