// _gcvt(dLatitude, 8, cLatitude); // convert double to string showing double // dLatitude = strtod(cLatitude, 0); // convert string to double // GetTextExtentPoint32(hdc, "W", 1, &size); // for where to put the date just after the month // SetFilePointer(hFile, 0x1F4EEEDB, NULL, FILE_BEGIN); #include //#include #include #include #include "resource.h" #include #include char Help[] = "\ Doug Cox\n\ http://jdmcox.com\n\ jdmcox@jdmcox.com\n\ \n\ Use the Arrow Keys,\n\ Page Up, Page Down,\n\ Ctrl-Home, Ctrl-End,\n\ Home, Esc\n\ \n\ D - display location and contents in decimal\n\ X - display location and contents in hexadecimal\n\ \n\ B - display contents as a byte\n\ W - display contents as a word (2 bytes)\n\ I - display contents as an integer (4 bytes)\n\ \n\ F2 - find\n\ F3 - find again from cursor (including zero)\n\ 0 - find zero\n\ C - clear find highlight\n\ \n\ Decimal numbers must be preceeded by a \\\n\ \n\ Hexadecimal numbers must be preceeded by \\x\n\ A hexadecimal number can be a byte, word, triplet, or integer\n\ \n\ J - jump to a location\n\ \n\ E - edit text or numbers\n\ Ctrl-S - save changed file\n\ \n\ Ctrl-Right Arrow Key - DELETE character!"; //012345678901234567890123456789012345678901234567890123456789012345 char TopLine[] = " Cursor Location: 00000 Contents: 00 Press F1 for Help "; //char TopLine[] = " Press F1 for Help Contents: 00 Cursor Location: 00000 "; char Zero[] = "0 "; char fileName[MAX_PATH]; BYTE String[62], String2[62]; float Float; int chars; int cxChar, cyChar, cxScreen, cyScreen, charsPerLine, linesPerScreen, totalLines; int curRow = 0, vScrollPos = 0, bytes = 4, oldcurRow, Lines; int ix, iy, iz, iloc, irow, icol; DWORD w, x, y, z, row, col, X, Y, BufSize = 0, TempBufSize, uContents; DWORD fileSize, Width, Height, MaxWidth, MaxHeight, curCol = 0; unsigned char TempBuf[50], HexTempBuf[50]; char titleName[MAX_PATH]; char CmdLine; //unsigned char *fileBuf, *fileBuf2, *fb; BYTE *fileBuf, *fileBuf2, *fb; DWORD FirstLetterLoc; DWORD HexFindBuf; DWORD dwBytesRead, dwBytesWritten; BYTE Hex1, Hex2, Hex3, Hex4; BOOL usedword = FALSE, first = TRUE, gotit, deleting = FALSE; BOOL sendtoflg = TRUE, highlighted, itshex = TRUE, find = FALSE, changed = FALSE, itsigned = FALSE; BOOL lbuttondown = FALSE, findzero = FALSE; RECT rect ; OPENFILENAME ofn ; LOGFONT lf ; HINSTANCE hInst ; HANDLE hFile ; HWND hwndButton, hwndFind ; HWND hwnd ; HDC hdc, hdcMem ; PAINTSTRUCT ps ; HBITMAP hBitmap; HBRUSH hBrush; RECT rect2, rect3; COLORREF Color; SIZE size; LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM); int CALLBACK EditProc(HWND, UINT, WPARAM, LPARAM); int CALLBACK JumpProc(HWND, UINT, WPARAM, LPARAM); int CALLBACK FindProc(HWND, UINT, WPARAM, LPARAM); int CALLBACK SizeProc(HWND, UINT, WPARAM, LPARAM); void ShowLocContents(void); void GetNumbers(void); int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, PSTR szCmdLine, int iCmdShow) { static TCHAR szAppName[] = TEXT ("ViewAnything"); MSG msg ; WNDCLASS wndclass ; hBrush = CreateSolidBrush(0xC0C0C0); wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC; wndclass.lpfnWndProc = WndProc; wndclass.cbClsExtra = 0; wndclass.cbWndExtra = 0; wndclass.hInstance = hInstance; wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION); wndclass.hCursor = LoadCursor (NULL, IDC_ARROW); wndclass.hbrBackground = (HBRUSH)GetStockObject (LTGRAY_BRUSH); wndclass.lpszMenuName = NULL; wndclass.lpszClassName = szAppName; if (!RegisterClass (&wndclass)) return 0; if (szCmdLine[0] == 0) sendtoflg = FALSE; else { y = 0; CmdLine = '\x0'; if (szCmdLine[0] == '"') { CmdLine = '"'; y = 1; } for (x = 0; szCmdLine[y] != CmdLine ; x++, y++) fileName[x] = szCmdLine[y]; fileName[x] = 0; } hwnd = CreateWindow (szAppName, szAppName, WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_MINIMIZEBOX | WS_VSCROLL, 0, 0, 0, 0, NULL, NULL, hInstance, NULL); hInst = hInstance; ShowWindow (hwnd, iCmdShow); UpdateWindow (hwnd); while (GetMessage (&msg, NULL, 0, 0)) { TranslateMessage (&msg); DispatchMessage (&msg); } return msg.wParam; } DWORD Atoi(char *ptr) { DWORD x; for (x = 0; (*ptr >= '0') && (*ptr <= '9'); ptr++) { x *= 10; x += *ptr - '0'; } if (*ptr != 0) MessageBox(hwnd, "Decimal number will be\ncutoff at a non-number", "", MB_OK); return x; } LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) { switch (message) { case WM_CREATE: for (x = 0; x < 62; x++) String2[x] = 0; ofn.lStructSize = sizeof (OPENFILENAME) ; ofn.hwndOwner = hwnd ; ofn.hInstance = NULL ; ofn.lpstrFilter = NULL ; ofn.lpstrCustomFilter = NULL ; ofn.nMaxCustFilter = 0 ; ofn.nFilterIndex = 0 ; ofn.lpstrFile = fileName;// Set in Open and Close functions ofn.nMaxFile = MAX_PATH ; ofn.lpstrFileTitle = NULL ;// Set in Open and Close functions ofn.nMaxFileTitle = MAX_PATH ; ofn.lpstrInitialDir = NULL ; ofn.lpstrTitle = NULL ; ofn.Flags = 0 ;// Set in Open and Close functions ofn.nFileOffset = 0 ; ofn.nFileExtension = 0 ; ofn.lpstrDefExt = NULL ; ofn.lCustData = 0L ; ofn.lpfnHook = NULL ; ofn.lpTemplateName = NULL ; ofn.hwndOwner = hwnd ; ofn.lpstrFileTitle = titleName ; ofn.Flags = OFN_HIDEREADONLY | OFN_CREATEPROMPT ; if (sendtoflg == FALSE) { if (0 == GetOpenFileName (&ofn)) { SendMessage(hwnd, WM_CLOSE, 0, 0) ; return 0; } } cxChar = 10; cyChar = 20; cxScreen = GetSystemMetrics(SM_CXSCREEN); cyScreen = GetSystemMetrics(SM_CYSCREEN); X = GetSystemMetrics(SM_CXVSCROLL) + 2*(GetSystemMetrics(SM_CXFIXEDFRAME)); Y = GetSystemMetrics(SM_CYMENU) + cyChar + 2*(GetSystemMetrics(SM_CYFIXEDFRAME)); MaxWidth = (cxScreen - X) / cxChar; MaxHeight = (cyScreen - Y - 40) / cyChar; Width = MaxWidth; Height = MaxHeight; lf.lfCharSet = 255 ; lf.lfClipPrecision = 2 ; lf.lfEscapement = 0 ; lf.lfHeight = -(cyChar) ; lf.lfItalic = 0 ; lf.lfOrientation = 0 ; lf.lfOutPrecision = 1 ; lf.lfPitchAndFamily = '1' ; lf.lfQuality = 1 ; lf.lfStrikeOut = 0 ; lf.lfUnderline = 0 ; lf.lfWeight = 400 ; lf.lfWidth = 0 ; strcpy (lf.lfFaceName, "Terminal") ; hdc = GetDC(hwnd); SelectObject(hdc, CreateFontIndirect(&lf)) ; SelectObject(hdc, CreateFontIndirect(&lf)) ; ReleaseDC(hwnd, hdc); if ((hFile = CreateFile(fileName, GENERIC_READ|GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL)) != INVALID_HANDLE_VALUE) { if (fileSize = GetFileSize(hFile, NULL)) { if (fileSize < (Width * Height)) x = Width * Height; else x = fileSize + Width; fileBuf = (BYTE*)malloc(1000000000); // 1,000,000,000 if (fileBuf == NULL) { MessageBox(hwnd, "Couldn't reserve enough memory!", NULL, MB_OK); SendMessage(hwnd, WM_CLOSE, 0, 0); return 0; } fb = fileBuf; ReadFile(hFile, fileBuf, fileSize, &dwBytesRead, NULL); SetWindowText(hwnd, fileName); ShowLocContents(); } else { MessageBox(hwnd, "File is empty", "Huh!", MB_OK); SendMessage(hwnd, WM_CLOSE, 0, 0); } CloseHandle(hFile); } else { MessageBox(hwnd, "File not found", "Oops", MB_OK) ; SendMessage(hwnd, WM_CLOSE, 0, 0) ; } return 0; case WM_SIZE: if (wParam != SIZE_MINIMIZED) { // MoveWindow(hwnd, (cxScreen/2)-((cxChar*Width)+X)/2 , (cyScreen/2)-((cyChar*Height)+Y)/2, (cxChar*Width)+X, (cyChar*Height)+Y+8, TRUE); MoveWindow(hwnd, (cxScreen/2)-((cxChar*Width)+X)/2 , 0, (cxChar*Width)+X, (cyChar*Height)+Y+8, TRUE); GetClientRect(hwnd, &rect); rect2.top = rect.top ; rect2.left = rect.left ; rect2.right = rect.right ; rect2.bottom = cyChar ; rect3.top = rect.top ; rect3.left = 10*cyChar ; rect3.right = rect.right ; rect3.bottom = cyChar ; charsPerLine = Width; Lines = fileSize / charsPerLine; linesPerScreen = Height; totalLines = fileSize / charsPerLine ; if (fileSize % charsPerLine) totalLines++; SetScrollRange(hwnd, SB_VERT, 0, totalLines - (linesPerScreen-1), FALSE); SetScrollPos(hwnd, SB_VERT, vScrollPos, TRUE); hdc = GetDC(hwnd); FillRect(hdc, &rect2, (HBRUSH)(COLOR_MENU+1)) ; if (first) { first = FALSE; hdcMem = CreateCompatibleDC(hdc); hBitmap = CreateCompatibleBitmap(hdc, rect.right-rect.left, rect.bottom-rect.top); SelectObject(hdcMem, hBitmap); SelectObject(hdcMem, CreateFontIndirect(&lf)) ; FillRect(hdcMem, &rect, hBrush); } ReleaseDC(hwnd, hdc); } return 0 ; case WM_VSCROLL: switch (LOWORD (wParam)) { case SB_TOP: vScrollPos = 0; break; case SB_BOTTOM: vScrollPos = totalLines - linesPerScreen; break; case SB_LINEUP: vScrollPos -= 1; break; case SB_LINEDOWN: vScrollPos += 1; break; case SB_PAGEUP: vScrollPos -= linesPerScreen; break; case SB_PAGEDOWN: vScrollPos += linesPerScreen; break; case SB_THUMBPOSITION: vScrollPos = HIWORD (wParam); break; case 0xFFFF: // from 'J' vScrollPos = HexFindBuf / charsPerLine; curRow = 0; curCol = HexFindBuf % charsPerLine; break; } vScrollPos = max (0, min (vScrollPos, totalLines - (linesPerScreen))); if (vScrollPos != GetScrollPos(hwnd, SB_VERT)) SetScrollPos(hwnd, SB_VERT, vScrollPos, TRUE); ShowLocContents(); return 0; case WM_KEYDOWN: switch (wParam) { case 'J': findzero = FALSE; if (DialogBox(hInst, "HILIGHT", hwnd, JumpProc)) SendMessage(hwnd, WM_VSCROLL, -1, 0); break; case 'Z': if (DialogBox(hInst, "SIZE", NULL, SizeProc)) SendMessage(hwnd, WM_SIZE, 0, 0); break; case '0': findzero = TRUE; for (x = FirstLetterLoc; x < fileSize; x++) { if (fb[x] == 0) { y = 1; FirstLetterLoc = x; goto foundit2; } } break; case VK_F2: findzero = FALSE; if (FALSE == DialogBox(hInst, "FIND", NULL, FindProc)) break; // fall thru... case VK_F3: FirstLetterLoc = curCol + (curRow+vScrollPos)*charsPerLine + 1; if (findzero) { for (x = FirstLetterLoc; x < fileSize; x++) { if (fb[x] == 0) { y = 1; FirstLetterLoc = x; goto foundit2; } } } if (usedword) { bytes = BufSize; gotit = FALSE; for (y = 0, x = FirstLetterLoc; x < fileSize; x++) { switch (BufSize) { case 1: if (Hex1 == fb[x]) gotit = TRUE; break; case 2: if ((Hex1 == fb[x]) && (Hex2 == fb[x+1])) gotit = TRUE; break; case 3: if ((Hex1 == fb[x]) && (Hex2 == fb[x+1]) && (Hex3 == fb[x+2])) gotit = TRUE; break; case 4: if ((Hex1 == fb[x]) && (Hex2 == fb[x+1]) && (Hex3 == fb[x+2]) && (Hex4 == fb[x+3])) gotit = TRUE; break; } if (gotit) { y = BufSize; FirstLetterLoc = x; goto foundit2; } } if (x == fileSize) { if ((TempBuf[1] != 'x') && (TempBuf[1] != 'X')) MessageBox(hwnd, "Not found.", TempBuf, MB_OK); else MessageBox(hwnd, "Not found.", HexTempBuf, MB_OK); } } else { // if (!usedword) for (x = FirstLetterLoc; x < fileSize; x++) { if (HexTempBuf[0] == fb[x]) { for (y = 1, z = x+1; y < TempBufSize; z++, y++) { if ((HexTempBuf[y] != fb[z])) break; } if (y == TempBufSize) { FirstLetterLoc = z - y; foundit2: curCol = FirstLetterLoc % charsPerLine; if (curCol == -1) curCol = charsPerLine - 1; if (FirstLetterLoc <= (DWORD)(charsPerLine*linesPerScreen)) { // first screen curRow = FirstLetterLoc / charsPerLine; vScrollPos = 0; } else if ((fileSize - FirstLetterLoc) <= (DWORD)(charsPerLine*linesPerScreen)) { // last screen vScrollPos = totalLines - linesPerScreen; curRow = (FirstLetterLoc - (vScrollPos * charsPerLine)) / charsPerLine; } else { curRow = (linesPerScreen/2) - 1; vScrollPos = (FirstLetterLoc/charsPerLine) - ((linesPerScreen/2) - 1); } find = TRUE; SetScrollPos(hwnd, SB_VERT, vScrollPos, TRUE); ShowLocContents(); break;//found it } } } if (x == fileSize) { if ((TempBuf[1] != 'x') && (TempBuf[1] != 'X')) MessageBox(hwnd, "Not found.", TempBuf, MB_OK); else MessageBox(hwnd, "Not found.", HexTempBuf, MB_OK); } } // endof else break; case 'E': DialogBox(hInst, "HILIGHT", hwnd, EditProc); break; /* case 'S': if (GetKeyState(VK_CONTROL) < 0) { // Ctrl pressed if (changed) { changed = FALSE; if (IDOK == MessageBox(hwnd, "Save changes?", "", MB_OKCANCEL)) { changed = FALSE; hFile = CreateFile(fileName, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL); WriteFile(hFile, fb, fileSize, &dwBytesWritten, NULL); CloseHandle(hFile); } } } else { // signed itsigned = TRUE; ShowLocContents(); } break; case 'U': // unsigned itsigned = FALSE; ShowLocContents(); break; */ case 'C': // clear find highlights find = FALSE; InvalidateRect(hwnd, &rect, FALSE); break; case 'X': itshex = TRUE; ShowLocContents(); break; case 'D': itshex = FALSE; ShowLocContents(); break; case 'B'://byte bytes = 1; ShowLocContents(); break; case 'W'://word bytes = 2; ShowLocContents(); break; case 'I'://integer bytes = 4; ShowLocContents(); break; case VK_F1: MessageBox(hwnd, Help, "ViewAnything", MB_OK); break; case VK_HOME: if (GetKeyState(VK_CONTROL) < 0) { // CTRL-PAGE UP curCol = 0; curRow = 0; SendMessage(hwnd, WM_VSCROLL, SB_TOP, 0); } else { curCol = 0; ShowLocContents(); } break; case VK_END: if (GetKeyState(VK_CONTROL) < 0) { curCol = (fileSize % charsPerLine) - 1; if (curCol == -1) curCol = charsPerLine - 1; if (fileSize > (Width * Height)) curRow = Height-1; else curRow = fileSize / Width; SendMessage(hwnd, WM_VSCROLL, SB_BOTTOM, 0); } break; case VK_DOWN: if ((curRow < linesPerScreen-1) && (curRow < totalLines-1)) { curRow++; ShowLocContents(); } else if (curRow+vScrollPos < totalLines-1) SendMessage(hwnd, WM_VSCROLL, SB_LINEDOWN, 0); break; case VK_UP: if (curRow > 0) { curRow--; ShowLocContents(); } else SendMessage(hwnd, WM_VSCROLL, SB_LINEUP, 0); break; case VK_RIGHT: if (GetKeyState(VK_CONTROL) < 0) { // DELETE! if (deleting) { changed = TRUE; fb[((curRow+vScrollPos) * charsPerLine) + curCol] = 0; } else { deleting = TRUE; MessageBox(hwnd, "Now whenever you press Ctrl-Right,\nyou will also delete what's at the cursor", "CAUTION!", MB_OK); break; } } if ((curCol+bytes) < Width) curCol += bytes; else { // at end of line curCol = 0; curRow++; } ShowLocContents(); break; case VK_LEFT: if (curCol > 0) curCol -= bytes; else if ((curRow-bytes) > 0) { // at beginning of line curCol = Width - bytes; curRow--; } ShowLocContents(); break; case VK_PRIOR: SendMessage(hwnd, WM_VSCROLL, SB_PAGEUP, 0); break; case VK_NEXT: SendMessage(hwnd, WM_VSCROLL, SB_PAGEDOWN, 0); break; case VK_ESCAPE: if (changed) { changed = FALSE; if (IDYES == MessageBox(hwnd, "Save changes?", "", MB_YESNO)) { hFile = CreateFile(fileName, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL); WriteFile(hFile, fb, fileSize, &dwBytesWritten, NULL); CloseHandle(hFile); } } SendMessage(hwnd, WM_CLOSE, 0, 0); break; } return 0; case WM_LBUTTONDOWN: lbuttondown = TRUE; return 0; case WM_LBUTTONUP: if (lbuttondown) { // necessary to prevent a bug after selecting a file with a button click y = HIWORD(lParam); if ((int)y > cyChar) { x = LOWORD(lParam) / cxChar; curCol = Width - 1; if (curCol > x) curCol = x; curRow = (y / cyChar) - 1; ShowLocContents(); } } return 0; case WM_PAINT: hdc = BeginPaint (hwnd, &ps) ; fileBuf = fb + (vScrollPos * charsPerLine) ; fileBuf2 = fileBuf; Color = 0xD0D0D0;//GetSysColor(COLOR_MENU); SetBkColor(hdcMem, Color) ; TextOut(hdcMem, 0, 0, TopLine, Width); // TopLine is 200 chars wide Color -= 0x101010;//1 level darker SetBkColor(hdcMem, Color); for (row = 1; row < (DWORD)(linesPerScreen+1); row++) { for (x = 0; x < Width; x++)//probably necessary because of a page-change in virtual memory TextOut(hdcMem, 10*x, 20*row, &fileBuf[x], 1); fileBuf += charsPerLine ; } if ((fileSize+(Width-(fileSize%Width))) > (curCol+(curRow*Width))) { SetBkColor(hdcMem, 0xFFFFFF) ; // for highlight at cursor TextOut(hdcMem, cxChar*curCol, cyChar*(curRow+1), &fileBuf2[curCol+(curRow*Width)], bytes); } if (find) { find = FALSE; SetBkColor(hdcMem, 0x00FFFF);//yellow if (usedword) TextOut(hdcMem, curCol*cxChar, (curRow+1)*cyChar, &fileBuf2[curCol+(curRow*Width)], bytes); else TextOut(hdcMem, curCol*cxChar, (curRow+1)*cyChar, TempBuf, TempBufSize); } // end of if (find) BitBlt(hdc, 0, 0, rect.right-rect.left, rect.bottom-rect.top, hdcMem, 0, 0, SRCCOPY); EndPaint (hwnd, &ps) ; return 0; case WM_CLOSE: if (changed) { if (IDYES == MessageBox(hwnd, "Save changes?", "", MB_YESNO)) { hFile = CreateFile(fileName, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL); WriteFile(hFile, fb, fileSize, &dwBytesWritten, NULL); CloseHandle(hFile); } } DestroyWindow(hwnd); return 0; case WM_DESTROY: if (fileSize) // VirtualFree(fileBuf, 0, MEM_RELEASE); free(fileBuf); PostQuitMessage (0); return 0; } return DefWindowProc (hwnd, message, wParam, lParam); } int CALLBACK FindProc(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam) { static HWND hwndFind; switch (message) { case WM_INITDIALOG: hwndFind = GetDlgItem(hwndDlg, IDC_EDIT1); SetFocus(hwndFind); break; case WM_COMMAND: switch (LOWORD(wParam)) { case IDOK: for (x = 0; x < 50; x++) TempBuf[x] = 0; TempBufSize = GetWindowText(hwndFind, TempBuf, 51); // 51 instead of 50 because GetWindowText includes ending 0, which it doesn't copy! if (0 == TempBufSize) break; GetNumbers(); curCol = curRow = 0; EndDialog (hwndDlg, TRUE); return TRUE; case IDCANCEL: find = FALSE; EndDialog (hwndDlg, FALSE); return FALSE; } } return FALSE; } int CALLBACK EditProc(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam) { // case 'E' static HWND hwndFind; switch (message) { case WM_INITDIALOG: hwndFind = GetDlgItem(hwndDlg, IDC_EDIT1); SetFocus(hwndFind); break; case WM_COMMAND: switch (LOWORD(wParam)) { case IDOK: for (x = 0; x < 50; x++) TempBuf[x] = 0; TempBufSize = GetWindowText(hwndFind, TempBuf, 50); if (TempBufSize == 0) break ; GetNumbers(); x = ((curRow+vScrollPos)*charsPerLine) + curCol; if (usedword) { fb[x++] = Hex1; if (BufSize >= 2) fb[x++] = Hex2; if (BufSize >= 3) fb[x++] = Hex3; if (BufSize == 4) fb[x++] = Hex4; } else { for (y = 0; y < TempBufSize; x++, y++) fb[x] = TempBuf[y]; } ShowLocContents(); // sends InvalidateRect changed = TRUE; EndDialog (hwndDlg, TRUE); return TRUE; case IDCANCEL: EndDialog (hwndDlg, FALSE); return FALSE; } } return FALSE; } int CALLBACK JumpProc(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam) { static HWND hwndJump; switch (message) { case WM_INITDIALOG: hwndJump = GetDlgItem(hwndDlg, IDC_EDIT1); SetFocus(hwndJump); break; case WM_COMMAND: switch (LOWORD(wParam)) { case IDOK: for (x = 0; x < 50; x++) TempBuf[x] = 0; TempBufSize = GetWindowText(hwndJump, TempBuf, 51); if (TempBufSize == 0) break ; GetNumbers(); if (!usedword || (HexFindBuf > fileSize)) { if (!usedword) MessageBox(hwnd, "That's not a number.", "", MB_OK); if (HexFindBuf > fileSize) MessageBox(hwnd, "That's past the end of the file.", "", MB_OK); break; } EndDialog (hwndDlg, TRUE); return TRUE; case IDCANCEL: EndDialog (hwndDlg, FALSE); return FALSE; } } return FALSE; } int CALLBACK SizeProc(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam) { static HWND hwndWidth, hwndHeight; switch (message) { case WM_INITDIALOG: hwndWidth = GetDlgItem(hwndDlg, IDC_EDIT1); hwndHeight = GetDlgItem(hwndDlg, IDC_EDIT2); SetFocus(hwndWidth); break; case WM_COMMAND: switch (LOWORD(wParam)) { case IDOK: TempBufSize = GetWindowText(hwndWidth, TempBuf, 51); if (TempBufSize) { Width = Atoi(TempBuf); if (Width > MaxWidth) Width = MaxWidth; } TempBufSize = GetWindowText(hwndHeight, TempBuf, 51); if (TempBufSize) { Height = Atoi(TempBuf); if (Height > MaxHeight) Height = MaxHeight; } EndDialog (hwndDlg, TRUE); return TRUE; case IDCANCEL: EndDialog (hwndDlg, FALSE); return FALSE; } } return FALSE; } void ShowLocContents(void) { unsigned char iContents, ch; UINT w; irow = curRow+vScrollPos; icol = curCol; TopLine[37] = ' '; TopLine[38] = ' '; TopLine[39] = ' '; iloc = (irow * charsPerLine) + icol ; fileBuf = fb; for (ix = 0; ix < 25; ix++) TopLine[37+ix] = ' '; iy = iloc; if (itshex) { for (iz = 0; iz < 7; iz++) { // LOCATION ix = iy & 0xF ; if (ix <= 9) ix += 0x30 ; else ix += 0x37 ; TopLine[24-iz] = (char) ix ; iy >>= 4 ; } if (bytes == 1) { // CONTENTS iContents = fileBuf[iloc] ; ch = (iContents & 0xF) ; if (ch <= 9) ch += 0x30 ; else ch += 0x37 ; TopLine[38] = ch ; ch = ((iContents >> 4) & 0xF) ; if (ch <= 9) ch += 0x30 ; else ch += 0x37 ; TopLine[37] = ch ; } else if (bytes == 2) { for (iy = 37, iz = iloc+1; iz >= iloc; iy +=2, iz--) { iContents = fileBuf[iz] ; ch = (iContents & 0xF) ; if (ch <= 9) ch += 0x30 ; else ch += 0x37 ; TopLine[iy+1] = ch ; ch = ((iContents >> 4) & 0xF) ; if (ch <= 9) ch += 0x30 ; else ch += 0x37 ; TopLine[iy] = ch ; } } else if (bytes == 3) { // at 0x2F4 \x324767 or /6768434 for (iy = 37, iz = iloc+2; iz >= iloc; iy +=2, iz--) { iContents = fileBuf[iz] ; ch = (iContents & 0xF) ; if (ch <= 9) ch += 0x30 ; else ch += 0x37 ; TopLine[iy+1] = ch ; ch = ((iContents >> 4) & 0xF) ; if (ch <= 9) ch += 0x30 ; else ch += 0x37 ; TopLine[iy] = ch ; } } else if (bytes == 4) { for (iy = 37, iz = iloc+3; iz >= iloc; iy +=2, iz--) { iContents = fileBuf[iz] ; ch = (iContents & 0xF) ; if (ch <= 9) ch += 0x30 ; else ch += 0x37 ; TopLine[iy+1] = ch ; ch = ((iContents >> 4) & 0xF) ; if (ch <= 9) ch += 0x30 ; else ch += 0x37 ; TopLine[iy] = ch ; } } } else { // decimal iz = 18; for (ix = 0; ix < 10; ix++) TopLine[ix+iz] = Zero[ix]; if (iloc != 0) { for (iy = 100000000; iy > (iloc*10); iy /= 10)//hundred million ; while (iy > 1) { ix = iloc % iy; iy /= 10; TopLine[iz++] = (ix / iy) + '0'; // location } } iz = 37; for (ix = 0; ix < 10; ix++) TopLine[ix+iz] = ' '; if (bytes == 1) { // CONTENTS uContents = *(BYTE*)&fileBuf[iloc]; if ((itsigned) && (uContents >= 0x80)) { uContents = 0xFF - uContents + 1; TopLine[iz++] = '-'; } } else if (bytes == 2) { uContents = *(WORD*)&fileBuf[iloc]; if ((itsigned) && (uContents >= 0x8000)) { uContents = 0xFFFF - uContents + 1; TopLine[iz++] = '-'; } } else if (bytes == 4) { uContents = *(UINT*)&fileBuf[iloc]; if ((itsigned) && (uContents >= 0x80000000)) { uContents = 0xFFFFFFFF - uContents + 1; TopLine[iz++] = '-'; } } w = 1000000000; // one billion if (uContents >= 1000000000) TopLine[iz++] = (BYTE)(uContents / 1000000000) + '0'; if (uContents <= (0xFFFFFFFF / 10)) { for ( ; w > (uContents *10); w /= 10) ; } while (w > 1) { ix = uContents % w; w /= 10; TopLine[iz++] = (ix / w) + '0'; } } uContents = *(UINT*)&fileBuf[iloc]; Float = *(float*)&uContents; if ((Float != 0.0) && (Float >= -180.0) && (Float <= 180.0)) { chars = sprintf_s(String, 62, "%.4f", Float); strcpy(&TopLine[70], String); } // else if (Float = *(float*)&uContents) // x=x; else { for (x = 0; x < 62; x++) TopLine[70+x] = 0; } InvalidateRect(hwnd, &rect, FALSE); } void AsciiToHex(void) { int w, y, z; Hex1 = 0; for (z = 0, y = 2; (HexTempBuf[y] != 0) && (y < 10); y++) { w = HexTempBuf[y]; if (w >= 0x61) // if lower case letter w -= 0x20; // make uppercase if (w > 0x46) // 'F' break; // only hexadecimal numbers w -= '0'; if (w > 9) // if letter w -= 7; z <<= 4; z |= w; } HexFindBuf = z; if (Hex1 = HexFindBuf & 0xFF) BufSize = 1; if (Hex2 = (HexFindBuf >> 8) & 0xFF) BufSize = 2; if (Hex3 = (HexFindBuf >> 16) & 0xFF) BufSize = 3; if (Hex4 = (HexFindBuf >> 24) & 0xFF) BufSize = 4; usedword = TRUE; } void GetNumbers(void) { HexFindBuf = 0; usedword = FALSE; strcpy (HexTempBuf, TempBuf); if (TempBuf[0] == '\\') { if ((TempBuf[1] != 'x') && (TempBuf[1] != 'X')) { z = Atoi(&TempBuf[1]); // convert "\17607" to 17607 if (z == 0) return; _snprintf(&HexTempBuf[2], 10, "%X", z); // convert 17607 to "0x44C7" (disregarding first 2 chars) } else strcpy (HexTempBuf, TempBuf); AsciiToHex(); // convert "\17607" or "\x44C7" to \x44C7 } }