/* Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ // // conproc.c // // Stuff for the Win32 console (dedicated server only I guess) // #include #include #include "console.h" #include "conproc.h" #include "quakedef.h" HANDLE heventDone; HANDLE hfileBuffer; HANDLE heventChildSend; HANDLE heventParentSend; HANDLE hStdout; HANDLE hStdin; DWORD RequestProc(DWORD dwNichts); LPVOID GetMappedBuffer(HANDLE hfileBuffer); void ReleaseMappedBuffer(LPVOID pBuffer); BOOL GetScreenBufferLines(int *piLines); BOOL SetScreenBufferLines(int iLines); BOOL ReadText(LPTSTR pszText, int iBeginLine, int iEndLine); BOOL WriteText(LPCTSTR szText); int CharToCode(char c); BOOL SetConsoleCXCY(HANDLE hStdout, int cx, int cy); void InitConProc(HANDLE hFile, HANDLE heventParent, HANDLE heventChild) { DWORD dwID; // ignore if we don't have all the events. if (!hFile || !heventParent || !heventChild) return; hfileBuffer = hFile; heventParentSend = heventParent; heventChildSend = heventChild; // so we'll know when to go away. heventDone = CreateEvent(NULL, FALSE, FALSE, NULL); if (!heventDone) { Con_SafePrintf("Couldn't create heventDone\n"); return; } if (!CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) RequestProc, 0, 0, &dwID)) { CloseHandle(heventDone); Con_SafePrintf("Couldn't create QHOST thread\n"); return; } // save off the input/output handles. hStdout = GetStdHandle(STD_OUTPUT_HANDLE); hStdin = GetStdHandle(STD_INPUT_HANDLE); // force 80 character width, at least 25 character height SetConsoleCXCY(hStdout, 80, 25); } void DeinitConProc(void) { if (heventDone) SetEvent(heventDone); } DWORD RequestProc(DWORD dwNichts) { int *pBuffer; DWORD dwRet; HANDLE heventWait[2]; int iBeginLine, iEndLine; heventWait[0] = heventParentSend; heventWait[1] = heventDone; while (1) { dwRet = WaitForMultipleObjects(2, heventWait, FALSE, INFINITE); // heventDone fired, so we're exiting. if (dwRet == WAIT_OBJECT_0 + 1) break; pBuffer = (int *)GetMappedBuffer(hfileBuffer); // hfileBuffer is invalid. Just leave. if (!pBuffer) { Con_SafePrintf("Invalid hfileBuffer\n"); break; } switch (pBuffer[0]) { case CCOM_WRITE_TEXT: // Param1 : Text pBuffer[0] = WriteText((LPCTSTR)(pBuffer + 1)); break; case CCOM_GET_TEXT: // Param1 : Begin line // Param2 : End line iBeginLine = pBuffer[1]; iEndLine = pBuffer[2]; pBuffer[0] = ReadText((LPTSTR)(pBuffer + 1), iBeginLine, iEndLine); break; case CCOM_GET_SCR_LINES: // No params pBuffer[0] = GetScreenBufferLines(&pBuffer[1]); break; case CCOM_SET_SCR_LINES: // Param1 : Number of lines pBuffer[0] = SetScreenBufferLines(pBuffer[1]); break; } ReleaseMappedBuffer(pBuffer); SetEvent(heventChildSend); } return 0; } LPVOID GetMappedBuffer(HANDLE hfileBuffer) { LPVOID pBuffer; pBuffer = MapViewOfFile(hfileBuffer, FILE_MAP_READ | FILE_MAP_WRITE, 0, 0, 0); return pBuffer; } void ReleaseMappedBuffer(LPVOID pBuffer) { UnmapViewOfFile(pBuffer); } BOOL GetScreenBufferLines(int *piLines) { CONSOLE_SCREEN_BUFFER_INFO info; BOOL bRet; bRet = GetConsoleScreenBufferInfo(hStdout, &info); if (bRet) *piLines = info.dwSize.Y; return bRet; } BOOL SetScreenBufferLines(int iLines) { return SetConsoleCXCY(hStdout, 80, iLines); } BOOL ReadText(LPTSTR pszText, int iBeginLine, int iEndLine) { COORD coord; DWORD dwRead; BOOL bRet; coord.X = 0; coord.Y = iBeginLine; bRet = ReadConsoleOutputCharacter(hStdout, pszText, 80 * (iEndLine - iBeginLine + 1), coord, &dwRead); // Make sure it's null terminated. if (bRet) pszText[dwRead] = '\0'; return bRet; } BOOL WriteText(LPCTSTR szText) { DWORD dwWritten; INPUT_RECORD rec; char upper, *sz; sz = (LPTSTR)szText; while (*sz) { // 13 is the code for a carriage return (\n) instead of 10. if (*sz == 10) *sz = 13; upper = toupper(*sz); rec.EventType = KEY_EVENT; rec.Event.KeyEvent.bKeyDown = TRUE; rec.Event.KeyEvent.wRepeatCount = 1; rec.Event.KeyEvent.wVirtualKeyCode = upper; rec.Event.KeyEvent.wVirtualScanCode = CharToCode(*sz); rec.Event.KeyEvent.uChar.AsciiChar = *sz; rec.Event.KeyEvent.uChar.UnicodeChar = *sz; rec.Event.KeyEvent.dwControlKeyState = isupper(*sz) ? 0x80 : 0x0; WriteConsoleInput(hStdin, &rec, 1, &dwWritten); rec.Event.KeyEvent.bKeyDown = FALSE; WriteConsoleInput(hStdin, &rec, 1, &dwWritten); sz++; } return TRUE; } int CharToCode(char c) { char upper; upper = toupper(c); switch (c) { case 13: return 28; default: break; } if (isalpha(c)) return (30 + upper - 65); if (isdigit(c)) return (1 + upper - 47); return c; } BOOL SetConsoleCXCY(HANDLE hStdout, int cx, int cy) { CONSOLE_SCREEN_BUFFER_INFO info; COORD coordMax; coordMax = GetLargestConsoleWindowSize(hStdout); if (cy > coordMax.Y) cy = coordMax.Y; if (cx > coordMax.X) cx = coordMax.X; if (!GetConsoleScreenBufferInfo(hStdout, &info)) return FALSE; // height info.srWindow.Left = 0; info.srWindow.Right = info.dwSize.X - 1; info.srWindow.Top = 0; info.srWindow.Bottom = cy - 1; if (cy < info.dwSize.Y) { if (!SetConsoleWindowInfo(hStdout, TRUE, &info.srWindow)) return FALSE; info.dwSize.Y = cy; if (!SetConsoleScreenBufferSize(hStdout, info.dwSize)) return FALSE; } else if (cy > info.dwSize.Y) { info.dwSize.Y = cy; if (!SetConsoleScreenBufferSize(hStdout, info.dwSize)) return FALSE; if (!SetConsoleWindowInfo(hStdout, TRUE, &info.srWindow)) return FALSE; } if (!GetConsoleScreenBufferInfo(hStdout, &info)) return FALSE; // width info.srWindow.Left = 0; info.srWindow.Right = cx - 1; info.srWindow.Top = 0; info.srWindow.Bottom = info.dwSize.Y - 1; if (cx < info.dwSize.X) { if (!SetConsoleWindowInfo(hStdout, TRUE, &info.srWindow)) return FALSE; info.dwSize.X = cx; if (!SetConsoleScreenBufferSize(hStdout, info.dwSize)) return FALSE; } else if (cx > info.dwSize.X) { info.dwSize.X = cx; if (!SetConsoleScreenBufferSize(hStdout, info.dwSize)) return FALSE; if (!SetConsoleWindowInfo(hStdout, TRUE, &info.srWindow)) return FALSE; } return TRUE; }