/**************************************************************************** * Copyright 2020 Thomas E. Dickey * * Copyright 1998-2009,2010 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * * "Software"), to deal in the Software without restriction, including * * without limitation the rights to use, copy, modify, merge, publish, * * distribute, distribute with modifications, sublicense, and/or sell * * copies of the Software, and to permit persons to whom the Software is * * furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included * * in all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * * * Except as contained in this notice, the name(s) of the above copyright * * holders shall not be used in advertising or otherwise to promote the * * sale, use or other dealings in this Software without prior written * * authorization. * ****************************************************************************/ /**************************************************************************** * Author: Juergen Pfeifer * * and: Thomas E. Dickey * ****************************************************************************/ /* * TODO - GetMousePos(POINT * result) from ntconio.c */ #include MODULE_ID("$Id: lib_win32con.c,v 1.3 2020/10/10 19:07:10 tom Exp $") #ifdef _NC_WINDOWS #ifdef _NC_MINGW #include #else #include #endif #include #if USE_WIDEC_SUPPORT #define write_screen WriteConsoleOutputW #define read_screen ReadConsoleOutputW #else #define write_screen WriteConsoleOutput #define read_screen ReadConsoleOutput #endif static BOOL IsConsoleHandle(HANDLE hdl); static bool save_original_screen(void); static bool restore_original_screen(void) GCC_UNUSED; static bool read_screen_data(void); static int Adjust(int milliseconds, int diff); static int decode_mouse(SCREEN *sp, int mask); static bool handle_mouse(SCREEN *sp, MOUSE_EVENT_RECORD mer); static int rkeycompare(const void *el1, const void *el2); static int keycompare(const void *el1, const void *el2); static int MapKey(WORD vKey); static int AnsiKey(WORD vKey); static ULONGLONG tdiff(FILETIME fstart, FILETIME fend); #define GenMap(vKey,key) MAKELONG(key, vKey) static const LONG keylist[] = { GenMap(VK_PRIOR, KEY_PPAGE), GenMap(VK_NEXT, KEY_NPAGE), GenMap(VK_END, KEY_END), GenMap(VK_HOME, KEY_HOME), GenMap(VK_LEFT, KEY_LEFT), GenMap(VK_UP, KEY_UP), GenMap(VK_RIGHT, KEY_RIGHT), GenMap(VK_DOWN, KEY_DOWN), GenMap(VK_DELETE, KEY_DC), GenMap(VK_INSERT, KEY_IC) }; static const LONG ansi_keys[] = { GenMap(VK_PRIOR, 'I'), GenMap(VK_NEXT, 'Q'), GenMap(VK_END, 'O'), GenMap(VK_HOME, 'H'), GenMap(VK_LEFT, 'K'), GenMap(VK_UP, 'H'), GenMap(VK_RIGHT, 'M'), GenMap(VK_DOWN, 'P'), GenMap(VK_DELETE, 'S'), GenMap(VK_INSERT, 'R') }; #define array_length(a) (sizeof(a)/sizeof(a[0])) #define N_INI ((int)array_length(keylist)) #define FKEYS 24 #define MAPSIZE (FKEYS + N_INI) /* A process can only have a single console, so it's safe to maintain all the information about it in a single static structure. */ NCURSES_EXPORT_VAR(ConsoleInfo) _nc_CONSOLE; static bool console_initialized = FALSE; #define EnsureInit() (void)(console_initialized ? TRUE : _nc_console_checkinit(TRUE,TRUE)) #define REQUIRED_MAX_V (DWORD)10 #define REQUIRED_MIN_V (DWORD)0 #define REQUIRED_BUILD (DWORD)17763 /* This function returns 0 if the Windows version has no support for the modern Console interface, otherwise it returns 1 */ NCURSES_EXPORT(int) _nc_console_vt_supported(void) { OSVERSIONINFO osvi; int res = 0; T((T_CALLED("lib_win32con::_nc_console_vt_supported"))); ZeroMemory(&osvi, sizeof(OSVERSIONINFO)); osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GetVersionEx(&osvi); T(("GetVersionEx returnedMajor=%ld, Minor=%ld, Build=%ld", osvi.dwMajorVersion,osvi.dwMinorVersion,osvi.dwBuildNumber)); if (osvi.dwMajorVersion >= REQUIRED_MAX_V) { if (osvi.dwMajorVersion == REQUIRED_MAX_V) { if (((osvi.dwMinorVersion == REQUIRED_MIN_V) && (osvi.dwBuildNumber >= REQUIRED_BUILD)) || ((osvi.dwMinorVersion > REQUIRED_MIN_V))) res = 1; } else res = 1; } returnCode(res); } NCURSES_EXPORT(void) _nc_console_size(int* Lines, int* Cols) { EnsureInit(); if (Lines != NULL && Cols != NULL) { if (WINCONSOLE.buffered) { *Lines = (int) (WINCONSOLE.SBI.dwSize.Y); *Cols = (int) (WINCONSOLE.SBI.dwSize.X); } else { *Lines = (int) (WINCONSOLE.SBI.srWindow.Bottom + 1 - WINCONSOLE.SBI.srWindow.Top); *Cols = (int) (WINCONSOLE.SBI.srWindow.Right + 1 - WINCONSOLE.SBI.srWindow.Left); } } } /* Convert a file descriptor into a HANDLE That's not necessarily a console HANDLE */ NCURSES_EXPORT(HANDLE) _nc_console_handle(int fd) { intptr_t value = _get_osfhandle(fd); return (HANDLE) value; } /* Validate that a HANDLE is actually a console HANDLE */ static BOOL IsConsoleHandle(HANDLE hdl) { DWORD dwFlag = 0; BOOL result = FALSE; T((T_CALLED("lib_win32con::IsConsoleHandle(HANDLE=%p"),hdl)); EnsureInit(); if (!GetConsoleMode(hdl, &dwFlag)) { T(("GetConsoleMode failed")); } else { result = TRUE; } returnBool(result); } /* This is used when running in terminfo mode to discover, whether or not the "terminal" is actually a Windows Console. It's the responsibility of the console to deal with the terminal escape sequences that are sent by terminfo. */ NCURSES_EXPORT(int) _nc_console_test(int fd) { int code = 0; HANDLE hdl = INVALID_HANDLE_VALUE; T((T_CALLED("lib_win32con::_nc_console_test(%d)"), fd)); hdl = _nc_console_handle(fd); code = (int) IsConsoleHandle(hdl); returnCode(code); } #define OutHandle() ((WINCONSOLE.isTermInfoConsole || WINCONSOLE.progMode) ? WINCONSOLE.hdl : WINCONSOLE.out) NCURSES_EXPORT(void) _nc_console_selectActiveHandle(void) { if (WINCONSOLE.lastOut != WINCONSOLE.hdl) { WINCONSOLE.lastOut = WINCONSOLE.hdl; SetConsoleActiveScreenBuffer(WINCONSOLE.lastOut); } } NCURSES_EXPORT(HANDLE) _nc_console_fd2handle(int fd) { HANDLE hdl = _nc_console_handle(fd); if (hdl==WINCONSOLE.inp) { T(("lib_win32con:validateHandle %d -> WINCONSOLE.inp", fd)); } else if (hdl==WINCONSOLE.hdl) { T(("lib_win32con:validateHandle %d -> WINCONSOLE.hdl", fd)); } else if (hdl==WINCONSOLE.out) { T(("lib_win32con:validateHandle %d -> WINCONSOLE.out", fd)); } else { T(("lib_win32con:validateHandle %d maps to unknown HANDLE", fd)); hdl=INVALID_HANDLE_VALUE; } #if 1 assert(hdl!=INVALID_HANDLE_VALUE); #endif if (hdl != INVALID_HANDLE_VALUE) { if (hdl!=WINCONSOLE.inp && (!WINCONSOLE.isTermInfoConsole && WINCONSOLE.progMode)) { if (hdl==WINCONSOLE.out && hdl!=WINCONSOLE.hdl) { T(("lib_win32con:validateHandle forcing WINCONSOLE.out -> WINCONSOLE.hdl")); hdl=WINCONSOLE.hdl; } } } return hdl; } NCURSES_EXPORT(int) _nc_console_setmode(HANDLE hdl, const TTY *arg) { DWORD dwFlag = 0; int code = ERR; HANDLE alt; if (arg) { #ifdef TRACE TTY TRCTTY; #define TRCTTYOUT(flag) TRCTTY.dwFlagOut=flag #define TRCTTYIN(flag) TRCTTY.dwFlagIn=flag #else #define TRCTTYOUT(flag) #define TRCTTYIN(flag) #endif T(("lib_win32con:_nc_console_setmode %s", _nc_trace_ttymode(arg))); if (hdl==WINCONSOLE.inp) { dwFlag = arg->dwFlagIn | ENABLE_MOUSE_INPUT | VT_FLAG_IN; if (WINCONSOLE.isTermInfoConsole) dwFlag |= (VT_FLAG_IN); else dwFlag &= ~(VT_FLAG_IN); TRCTTYIN(dwFlag); SetConsoleMode(hdl, dwFlag); alt = OutHandle(); dwFlag = arg->dwFlagOut; if (WINCONSOLE.isTermInfoConsole) dwFlag |= (VT_FLAG_OUT); else dwFlag |= (VT_FLAG_OUT); TRCTTYOUT(dwFlag); SetConsoleMode(alt, dwFlag); } else { dwFlag = arg->dwFlagOut; if (WINCONSOLE.isTermInfoConsole) dwFlag |= (VT_FLAG_OUT); else dwFlag |= (VT_FLAG_OUT); TRCTTYOUT(dwFlag); SetConsoleMode(hdl, dwFlag); alt=WINCONSOLE.inp; dwFlag = arg->dwFlagIn | ENABLE_MOUSE_INPUT; if (WINCONSOLE.isTermInfoConsole) dwFlag |= (VT_FLAG_IN); else dwFlag &= ~(VT_FLAG_IN); TRCTTYIN(dwFlag); SetConsoleMode(alt, dwFlag); T(("effective mode set %s",_nc_trace_ttymode(&TRCTTY))); } code = OK; } return(code); } NCURSES_EXPORT(int) _nc_console_getmode(HANDLE hdl, TTY *arg) { int code = ERR; if (arg) { DWORD dwFlag = 0; HANDLE alt; if (hdl==WINCONSOLE.inp) { if(GetConsoleMode(hdl,&dwFlag)) { arg->dwFlagIn = dwFlag; alt = OutHandle(); if (GetConsoleMode(alt,&dwFlag)) { arg->dwFlagOut = dwFlag; code = OK; } } } else { if (GetConsoleMode(hdl,&dwFlag)) { arg->dwFlagOut = dwFlag; alt=WINCONSOLE.inp; if (GetConsoleMode(alt,&dwFlag)) { arg->dwFlagIn = dwFlag; code = OK; } } } } T(("lib_win32con:_nc_console_getmode %s", _nc_trace_ttymode(arg))); return(code); } NCURSES_EXPORT(int) _nc_console_flush(HANDLE hdl) { int code=OK; T((T_CALLED("lib_win32con::_nc_console_flush(hdl=%p"),hdl)); if (hdl != INVALID_HANDLE_VALUE) { if (hdl == WINCONSOLE.hdl || hdl == WINCONSOLE.inp || hdl == WINCONSOLE.out) { if (!FlushConsoleInputBuffer(WINCONSOLE.inp)) code=ERR; } else { code=ERR; T(("_nc_console_flush not requesting a handle owned by console.")); } } returnCode(code); } NCURSES_EXPORT(WORD) _nc_console_MapColor(bool fore, int color) { static const int _cmap[] = {0, 4, 2, 6, 1, 5, 3, 7}; int a; if (color < 0 || color > 7) a = fore ? 7 : 0; else a = _cmap[color]; if (!fore) a = a << 4; return (WORD) a; } /* * Attempt to save the screen contents. PDCurses does this if * PDC_RESTORE_SCREEN is set, giving the same visual appearance on * restoration as if the library had allocated a console buffer. MSDN * says that the data which can be read is limited to 64Kb (and may be * less). */ static bool save_original_screen(void) { bool result = FALSE; WINCONSOLE.save_region.Top = 0; WINCONSOLE.save_region.Left = 0; WINCONSOLE.save_region.Bottom = (SHORT) (WINCONSOLE.SBI.dwSize.Y - 1); WINCONSOLE.save_region.Right = (SHORT) (WINCONSOLE.SBI.dwSize.X - 1); if (read_screen_data()) { result = TRUE; } else { WINCONSOLE.save_region.Top = WINCONSOLE.SBI.srWindow.Top; WINCONSOLE.save_region.Left = WINCONSOLE.SBI.srWindow.Left; WINCONSOLE.save_region.Bottom = WINCONSOLE.SBI.srWindow.Bottom; WINCONSOLE.save_region.Right = WINCONSOLE.SBI.srWindow.Right; WINCONSOLE.window_only = TRUE; if (read_screen_data()) { result = TRUE; } } T(("... save original screen contents %s", result ? "ok" : "err")); return result; } static bool restore_original_screen(void) { COORD bufferCoord; bool result = FALSE; SMALL_RECT save_region = WINCONSOLE.save_region; T(("... restoring %s", WINCONSOLE.window_only ? "window" : "entire buffer")); bufferCoord.X = (SHORT) (WINCONSOLE.window_only ? WINCONSOLE.SBI.srWindow.Left : 0); bufferCoord.Y = (SHORT) (WINCONSOLE.window_only ? WINCONSOLE.SBI.srWindow.Top : 0); if (write_screen(WINCONSOLE.hdl, WINCONSOLE.save_screen, WINCONSOLE.save_size, bufferCoord, &save_region)) { result = TRUE; mvcur(-1, -1, LINES - 2, 0); T(("... restore original screen contents ok %dx%d (%d,%d - %d,%d)", WINCONSOLE.save_size.Y, WINCONSOLE.save_size.X, save_region.Top, save_region.Left, save_region.Bottom, save_region.Right)); } else { T(("... restore original screen contents err")); } return result; } static bool read_screen_data(void) { bool result = FALSE; COORD bufferCoord; size_t want; WINCONSOLE.save_size.X = (SHORT) (WINCONSOLE.save_region.Right - WINCONSOLE.save_region.Left + 1); WINCONSOLE.save_size.Y = (SHORT) (WINCONSOLE.save_region.Bottom - WINCONSOLE.save_region.Top + 1); want = (size_t) (WINCONSOLE.save_size.X * WINCONSOLE.save_size.Y); if ((WINCONSOLE.save_screen = malloc(want * sizeof(CHAR_INFO))) != 0) { bufferCoord.X = (SHORT) (WINCONSOLE.window_only ? WINCONSOLE.SBI.srWindow.Left : 0); bufferCoord.Y = (SHORT) (WINCONSOLE.window_only ? WINCONSOLE.SBI.srWindow.Top : 0); T(("... reading console %s %dx%d into %d,%d - %d,%d at %d,%d", WINCONSOLE.window_only ? "window" : "buffer", WINCONSOLE.save_size.Y, WINCONSOLE.save_size.X, WINCONSOLE.save_region.Top, WINCONSOLE.save_region.Left, WINCONSOLE.save_region.Bottom, WINCONSOLE.save_region.Right, bufferCoord.Y, bufferCoord.X)); if (read_screen(WINCONSOLE.hdl, WINCONSOLE.save_screen, WINCONSOLE.save_size, bufferCoord, &WINCONSOLE.save_region)) { result = TRUE; } else { T((" error %#lx", (unsigned long) GetLastError())); FreeAndNull(WINCONSOLE.save_screen); } } return result; } NCURSES_EXPORT(bool) _nc_console_get_SBI(void) { bool rc = FALSE; if (GetConsoleScreenBufferInfo(WINCONSOLE.hdl, &(WINCONSOLE.SBI))) { T(("GetConsoleScreenBufferInfo")); T(("... buffer(X:%d Y:%d)", WINCONSOLE.SBI.dwSize.X, WINCONSOLE.SBI.dwSize.Y)); T(("... window(X:%d Y:%d)", WINCONSOLE.SBI.dwMaximumWindowSize.X, WINCONSOLE.SBI.dwMaximumWindowSize.Y)); T(("... cursor(X:%d Y:%d)", WINCONSOLE.SBI.dwCursorPosition.X, WINCONSOLE.SBI.dwCursorPosition.Y)); T(("... display(Top:%d Bottom:%d Left:%d Right:%d)", WINCONSOLE.SBI.srWindow.Top, WINCONSOLE.SBI.srWindow.Bottom, WINCONSOLE.SBI.srWindow.Left, WINCONSOLE.SBI.srWindow.Right)); if (WINCONSOLE.buffered) { WINCONSOLE.origin.X = 0; WINCONSOLE.origin.Y = 0; } else { WINCONSOLE.origin.X = WINCONSOLE.SBI.srWindow.Left; WINCONSOLE.origin.Y = WINCONSOLE.SBI.srWindow.Top; } rc = TRUE; } else { T(("GetConsoleScreenBufferInfo ERR")); } return rc; } #define MIN_WIDE 80 #define MIN_HIGH 24 /* * In "normal" mode, reset the buffer- and window-sizes back to their original values. */ NCURSES_EXPORT(void) _nc_console_set_scrollback(bool normal, CONSOLE_SCREEN_BUFFER_INFO * info) { SMALL_RECT rect; COORD coord; bool changed = FALSE; T((T_CALLED("lib_win32con::_nc_console_set_scrollback(%s)"), (normal ? "normal" : "application"))); T(("... SBI.srWindow %d,%d .. %d,%d", info->srWindow.Top, info->srWindow.Left, info->srWindow.Bottom, info->srWindow.Right)); T(("... SBI.dwSize %dx%d", info->dwSize.Y, info->dwSize.X)); if (normal) { rect = info->srWindow; coord = info->dwSize; if (memcmp(info, &WINCONSOLE.SBI, sizeof(*info)) != 0) { changed = TRUE; WINCONSOLE.SBI = *info; } } else { int high = info->srWindow.Bottom - info->srWindow.Top + 1; int wide = info->srWindow.Right - info->srWindow.Left + 1; if (high < MIN_HIGH) { T(("... height %d < %d", high, MIN_HIGH)); high = MIN_HIGH; changed = TRUE; } if (wide < MIN_WIDE) { T(("... width %d < %d", wide, MIN_WIDE)); wide = MIN_WIDE; changed = TRUE; } rect.Left = rect.Top = 0; rect.Right = (SHORT) (wide - 1); rect.Bottom = (SHORT) (high - 1); coord.X = (SHORT) wide; coord.Y = (SHORT) high; if (info->dwSize.Y != high || info->dwSize.X != wide || info->srWindow.Top != 0 || info->srWindow.Left != 0) { changed = TRUE; } } if (changed) { T(("... coord %d,%d", coord.Y, coord.X)); T(("... rect %d,%d - %d,%d", rect.Top, rect.Left, rect.Bottom, rect.Right)); SetConsoleScreenBufferSize(WINCONSOLE.hdl, coord); /* dwSize */ SetConsoleWindowInfo(WINCONSOLE.hdl, TRUE, &rect); /* srWindow */ _nc_console_get_SBI(); } returnVoid; } static ULONGLONG tdiff(FILETIME fstart, FILETIME fend) { ULARGE_INTEGER ustart; ULARGE_INTEGER uend; ULONGLONG diff; ustart.LowPart = fstart.dwLowDateTime; ustart.HighPart = fstart.dwHighDateTime; uend.LowPart = fend.dwLowDateTime; uend.HighPart = fend.dwHighDateTime; diff = (uend.QuadPart - ustart.QuadPart) / 10000; return diff; } static int Adjust(int milliseconds, int diff) { if (milliseconds != INFINITY) { milliseconds -= diff; if (milliseconds < 0) milliseconds = 0; } return milliseconds; } #define BUTTON_MASK (FROM_LEFT_1ST_BUTTON_PRESSED | \ FROM_LEFT_2ND_BUTTON_PRESSED | \ FROM_LEFT_3RD_BUTTON_PRESSED | \ FROM_LEFT_4TH_BUTTON_PRESSED | \ RIGHTMOST_BUTTON_PRESSED) static int decode_mouse(SCREEN *sp, int mask) { int result = 0; (void) sp; assert(sp && console_initialized); if (mask & FROM_LEFT_1ST_BUTTON_PRESSED) result |= BUTTON1_PRESSED; if (mask & FROM_LEFT_2ND_BUTTON_PRESSED) result |= BUTTON2_PRESSED; if (mask & FROM_LEFT_3RD_BUTTON_PRESSED) result |= BUTTON3_PRESSED; if (mask & FROM_LEFT_4TH_BUTTON_PRESSED) result |= BUTTON4_PRESSED; if (mask & RIGHTMOST_BUTTON_PRESSED) { switch (WINCONSOLE.numButtons) { case 1: result |= BUTTON1_PRESSED; break; case 2: result |= BUTTON2_PRESSED; break; case 3: result |= BUTTON3_PRESSED; break; case 4: result |= BUTTON4_PRESSED; break; } } return result; } #define AdjustY() (WINCONSOLE.buffered ? 0 : (int) WINCONSOLE.SBI.srWindow.Top) static bool handle_mouse(SCREEN *sp, MOUSE_EVENT_RECORD mer) { MEVENT work; bool result = FALSE; assert(sp); sp->_drv_mouse_old_buttons = sp->_drv_mouse_new_buttons; sp->_drv_mouse_new_buttons = mer.dwButtonState & BUTTON_MASK; /* * We're only interested if the button is pressed or released. * FIXME: implement continuous event-tracking. */ if (sp->_drv_mouse_new_buttons != sp->_drv_mouse_old_buttons) { memset(&work, 0, sizeof(work)); if (sp->_drv_mouse_new_buttons) { work.bstate |= (mmask_t) decode_mouse(sp, sp->_drv_mouse_new_buttons); } else { /* cf: BUTTON_PRESSED, BUTTON_RELEASED */ work.bstate |= (mmask_t) (decode_mouse(sp, sp->_drv_mouse_old_buttons) >> 1); result = TRUE; } work.x = mer.dwMousePosition.X; work.y = mer.dwMousePosition.Y - AdjustY(); sp->_drv_mouse_fifo[sp->_drv_mouse_tail] = work; sp->_drv_mouse_tail += 1; } return result; } static int rkeycompare(const void *el1, const void *el2) { WORD key1 = (LOWORD((*((const LONG *) el1)))) & 0x7fff; WORD key2 = (LOWORD((*((const LONG *) el2)))) & 0x7fff; return ((key1 < key2) ? -1 : ((key1 == key2) ? 0 : 1)); } static int keycompare(const void *el1, const void *el2) { WORD key1 = HIWORD((*((const LONG *) el1))); WORD key2 = HIWORD((*((const LONG *) el2))); return ((key1 < key2) ? -1 : ((key1 == key2) ? 0 : 1)); } static int MapKey(WORD vKey) { int code = -1; if (!WINCONSOLE.isTermInfoConsole) { WORD nKey = 0; void *res; LONG key = GenMap(vKey, 0); res = bsearch(&key, WINCONSOLE.map, (size_t) (N_INI + FKEYS), sizeof(keylist[0]), keycompare); if (res) { key = *((LONG *) res); nKey = LOWORD(key); code = (int) (nKey & 0x7fff); if (nKey & 0x8000) code = -code; } } return code; } static int AnsiKey(WORD vKey) { int code = -1; if (!WINCONSOLE.isTermInfoConsole) { WORD nKey = 0; void *res; LONG key = GenMap(vKey, 0); res = bsearch(&key, WINCONSOLE.ansi_map, (size_t) (N_INI + FKEYS), sizeof(keylist[0]), keycompare); if (res) { key = *((LONG *) res); nKey = LOWORD(key); code = (int) (nKey & 0x7fff); if (nKey & 0x8000) code = -code; } } return code; } NCURSES_EXPORT(int) _nc_console_keyok(int keycode,int flag) { int code = ERR; WORD nKey; WORD vKey; void *res; LONG key = GenMap(0, (WORD) keycode); T((T_CALLED("lib_win32con::_nc_console_keyok(%d, %d)"), keycode, flag)); res = bsearch(&key, WINCONSOLE.rmap, (size_t) (N_INI + FKEYS), sizeof(keylist[0]), rkeycompare); if (res) { key = *((LONG *) res); vKey = HIWORD(key); nKey = (LOWORD(key)) & 0x7fff; if (!flag) nKey |= 0x8000; *(LONG *) res = GenMap(vKey, nKey); } returnCode(code); } NCURSES_EXPORT(bool) _nc_console_keyExist(int keycode) { WORD nKey; void *res; bool found = FALSE; LONG key = GenMap(0, (WORD) keycode); T((T_CALLED("lib_win32con::_nc_console_keyExist(%d)"), keycode)); res = bsearch(&key, WINCONSOLE.rmap, (size_t) (N_INI + FKEYS), sizeof(keylist[0]), rkeycompare); if (res) { key = *((LONG *) res); nKey = LOWORD(key); if (!(nKey & 0x8000)) found = TRUE; } returnCode(found); } NCURSES_EXPORT(int) _nc_console_twait( SCREEN *sp, HANDLE hdl, int mode, int milliseconds, int *timeleft EVENTLIST_2nd(_nc_eventlist * evl)) { INPUT_RECORD inp_rec; BOOL b; DWORD nRead = 0, rc = (DWORD) (-1); int code = 0; FILETIME fstart; FILETIME fend; int diff; bool isNoDelay = (milliseconds == 0); #ifdef NCURSES_WGETCH_EVENTS (void) evl; /* TODO: implement wgetch-events */ #endif #define IGNORE_CTRL_KEYS (SHIFT_PRESSED|LEFT_ALT_PRESSED|RIGHT_ALT_PRESSED| \ LEFT_CTRL_PRESSED|RIGHT_CTRL_PRESSED) #define CONSUME() ReadConsoleInput(hdl,&inp_rec,1,&nRead) assert(sp); TR(TRACE_IEVENT, ("start twait: hdl=%p, %d milliseconds, mode: %d", hdl, milliseconds, mode)); if (milliseconds < 0) milliseconds = INFINITY; memset(&inp_rec, 0, sizeof(inp_rec)); while (true) { if (!isNoDelay) { GetSystemTimeAsFileTime(&fstart); rc = WaitForSingleObject(hdl, (DWORD) milliseconds); GetSystemTimeAsFileTime(&fend); diff = (int) tdiff(fstart, fend); milliseconds = Adjust(milliseconds, diff); if (milliseconds< 0) break; } if (isNoDelay || (rc == WAIT_OBJECT_0)) { if (mode) { nRead = 0; b = GetNumberOfConsoleInputEvents(hdl, &nRead); if (!b) { T(("twait:err GetNumberOfConsoleInputEvents")); } if (isNoDelay && b) { T(("twait: Events Available: %d",nRead)); if (nRead==0) { code=0; goto end; } else { DWORD n = 0; INPUT_RECORD* pInpRec = TypeAlloca(INPUT_RECORD,nRead); if (pInpRec != NULL) { int i; BOOL f; memset(pInpRec,0,sizeof(INPUT_RECORD)*nRead); f = PeekConsoleInput(hdl, pInpRec, nRead, &n); if (f) { for(i=0;i < n;i++) { if (pInpRec[i].EventType==KEY_EVENT) { if(pInpRec[i].Event.KeyEvent.bKeyDown) { DWORD ctrlMask = (pInpRec[i].Event.KeyEvent.dwControlKeyState & \ IGNORE_CTRL_KEYS); if (!ctrlMask) { code = TW_INPUT; goto end; } } } } } else { T(("twait:err PeekConsoleInput")); } code = 0; goto end; } else { T(("twait:err could not alloca input records")); } } } if (b && nRead > 0) { b = PeekConsoleInput(hdl, &inp_rec, 1, &nRead); if (!b) { T(("twait:err PeekConsoleInput")); } if (b && nRead > 0) { switch (inp_rec.EventType) { case KEY_EVENT: if (mode & TW_INPUT) { T(("twait:event KEY_EVENT")); WORD vk = inp_rec.Event.KeyEvent.wVirtualKeyCode; char ch = inp_rec.Event.KeyEvent.uChar.AsciiChar; T(("twait vk=%d, ch=%d, keydown=%d", vk,ch,inp_rec.Event.KeyEvent.bKeyDown)); if (inp_rec.Event.KeyEvent.bKeyDown) { T(("twait:event KeyDown")); if (!WINCONSOLE.isTermInfoConsole && (0 == ch)) { int nKey = MapKey(vk); if (nKey < 0) { CONSUME(); continue; } } code = TW_INPUT; goto end; } else { CONSUME(); } } continue; case MOUSE_EVENT: T(("twait:event MOUSE_EVENT")); if (decode_mouse(sp, (inp_rec.Event.MouseEvent.dwButtonState & BUTTON_MASK)) == 0) { CONSUME(); } else if (mode & TW_MOUSE) { code = TW_MOUSE; goto end; } continue; /* e.g., FOCUS_EVENT */ default: T(("twait:event Tyoe %d",inp_rec.EventType)); CONSUME(); _nc_console_selectActiveHandle(); continue; } } } } continue; } else { if (rc != WAIT_TIMEOUT) { code = -1; break; } else { code = 0; break; } } } end: TR(TRACE_IEVENT, ("end twait: returned %d (%d), remaining time %d msec", code, GetLastError(), milliseconds)); if (timeleft) *timeleft = milliseconds; return code; } NCURSES_EXPORT(int) _nc_console_testmouse( SCREEN *sp, HANDLE hdl, int delay EVENTLIST_2nd(_nc_eventlist * evl)) { int rc = 0; assert(sp); if (sp->_drv_mouse_head < sp->_drv_mouse_tail) { rc = TW_MOUSE; } else { rc = _nc_console_twait(sp, hdl, TWAIT_MASK, delay, (int *) 0 EVENTLIST_2nd(evl)); } return rc; } NCURSES_EXPORT(int) _nc_console_read( SCREEN *sp, HANDLE hdl, int *buf) { int rc = -1; INPUT_RECORD inp_rec; BOOL b; DWORD nRead; WORD vk; assert(sp); assert(buf); memset(&inp_rec, 0, sizeof(inp_rec)); T((T_CALLED("lib_win32con::_nc_console_read(%p)"), sp)); while ((b = ReadConsoleInput(hdl, &inp_rec, 1, &nRead))) { if (b && nRead > 0) { if (rc < 0) rc = 0; rc = rc + (int) nRead; if (inp_rec.EventType == KEY_EVENT) { if (!inp_rec.Event.KeyEvent.bKeyDown) continue; *buf = (int) inp_rec.Event.KeyEvent.uChar.AsciiChar; vk = inp_rec.Event.KeyEvent.wVirtualKeyCode; /* * There are 24 virtual function-keys, and typically * 12 function-keys on a keyboard. Use the shift-modifier * to provide the remaining 12 keys. */ if (vk >= VK_F1 && vk <= VK_F12) { if (inp_rec.Event.KeyEvent.dwControlKeyState & SHIFT_PRESSED) { vk = (WORD) (vk + 12); } } if (*buf == 0) { int key = MapKey(vk); if (key < 0) continue; if (sp->_keypad_on) { *buf = key; } else { ungetch('\0'); *buf = AnsiKey(vk); } } break; } else if (inp_rec.EventType == MOUSE_EVENT) { if (handle_mouse(sp, inp_rec.Event.MouseEvent)) { *buf = KEY_MOUSE; break; } } continue; } } returnCode(rc); } /* Our replacement for the systems _isatty to include also a test for mintty. This is called from the NC_ISATTY macro defined in curses.priv.h Return codes: - 0 : Not a TTY - 1 : A Windows character device detected by _isatty - 2 : A future implementation may return 2 for mintty */ NCURSES_EXPORT(int) _nc_console_isatty(int fd) { int result = 0; T((T_CALLED("lib_win32con::_nc_console_isatty(%d"),fd)); if (_isatty(fd)) result = 1; #ifdef _NC_CHECK_MINTTY else { if (_nc_console_checkmintty(fd, NULL)) { result=2; fprintf(stderr,"ncurses on Windows must run in a Windows console.\n"); fprintf(stderr,"On newer versions of Windows, the calling program should create a PTY-like.\n"); fprintf(stderr,"device using the CreatePseudoConsole Windows API call.\n"); exit(EXIT_FAILURE); } } #endif returnCode(result); } NCURSES_EXPORT(bool) _nc_console_checkinit(bool initFlag, bool assumeTermInfo) { bool res = FALSE; T((T_CALLED("lib_win32con::_nc_console_checkinit(initFlag=%d, assumeTermInfo=%d)"), initFlag,assumeTermInfo)); if (!initFlag) { res = console_initialized; } else { /* initialize once, or not at all */ if (!console_initialized) { int i; DWORD num_buttons; WORD a; BOOL buffered = FALSE; BOOL b; START_TRACE(); WINCONSOLE.isTermInfoConsole = assumeTermInfo; WINCONSOLE.map = (LPDWORD)malloc(sizeof(DWORD)*MAPSIZE); WINCONSOLE.rmap = (LPDWORD)malloc(sizeof(DWORD)*MAPSIZE); WINCONSOLE.ansi_map = (LPDWORD)malloc(sizeof(DWORD)*MAPSIZE); for (i = 0; i < (N_INI + FKEYS); i++) { if (i < N_INI) { WINCONSOLE.rmap[i] = WINCONSOLE.map[i] = (DWORD) keylist[i]; WINCONSOLE.ansi_map[i] = (DWORD) ansi_keys[i]; } else { WINCONSOLE.rmap[i] = WINCONSOLE.map[i] = (DWORD) GenMap((VK_F1 + (i - N_INI)), (KEY_F(1) + (i - N_INI))); WINCONSOLE.ansi_map[i] = (DWORD) GenMap((VK_F1 + (i - N_INI)), (';' + (i - N_INI))); } } qsort(WINCONSOLE.ansi_map, (size_t) (MAPSIZE), sizeof(keylist[0]), keycompare); qsort(WINCONSOLE.map, (size_t) (MAPSIZE), sizeof(keylist[0]), keycompare); qsort(WINCONSOLE.rmap, (size_t) (MAPSIZE), sizeof(keylist[0]), rkeycompare); if (GetNumberOfConsoleMouseButtons(&num_buttons)) { WINCONSOLE.numButtons = (int) num_buttons; } else { WINCONSOLE.numButtons = 1; } a = _nc_console_MapColor(true, COLOR_WHITE) | _nc_console_MapColor(false, COLOR_BLACK); for (i = 0; i < CON_NUMPAIRS; i++) WINCONSOLE.pairs[i] = a; WINCONSOLE.inp = GetStdHandle(STD_INPUT_HANDLE); WINCONSOLE.out = GetStdHandle(STD_OUTPUT_HANDLE); WINCONSOLE.hdl = WINCONSOLE.out; GetConsoleMode(WINCONSOLE.inp,&WINCONSOLE.originalMode.dwFlagIn); GetConsoleMode(WINCONSOLE.out,&WINCONSOLE.originalMode.dwFlagOut); if (!WINCONSOLE.isTermInfoConsole) { b = AllocConsole(); if (!b) b = AttachConsole(ATTACH_PARENT_PROCESS); if (getenv("NCGDB") || getenv("NCURSES_CONSOLE2")) { T(("... will not buffer console")); } else { T(("... creating console buffer")); WINCONSOLE.hdl = CreateConsoleScreenBuffer(GENERIC_READ | GENERIC_WRITE, 0, NULL, CONSOLE_TEXTMODE_BUFFER, NULL); buffered = TRUE; } } /* We set binary I/O even when using the console driver to cover the situation, that the TERM variable is set to #win32con, but actually Windows supports virtual terminal processing. So if terminfo functions are used in this setup, they actually may work. */ _setmode(fileno(stdin) ,_O_BINARY); _setmode(fileno(stdout),_O_BINARY); if (WINCONSOLE.hdl != INVALID_HANDLE_VALUE) { WINCONSOLE.buffered = buffered; _nc_console_get_SBI(); WINCONSOLE.save_SBI = WINCONSOLE.SBI; if (!buffered) { save_original_screen(); _nc_console_set_scrollback(FALSE, &WINCONSOLE.SBI); } GetConsoleCursorInfo(WINCONSOLE.hdl, &WINCONSOLE.save_CI); T(("... initial cursor is %svisible, %d%%", (WINCONSOLE.save_CI.bVisible ? "" : "not-"), (int) WINCONSOLE.save_CI.dwSize)); } WINCONSOLE.initialized = TRUE; console_initialized = TRUE; } res = (WINCONSOLE.hdl != INVALID_HANDLE_VALUE); } returnBool(res); } #endif // _NC_WINDOWS