--- /dev/null
+/****************************************************************************
+ * 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 <curses.priv.h>
+
+MODULE_ID("$Id: lib_win32con.c,v 1.2 2020/08/29 16:22:03 juergen Exp $")
+
+#ifdef _NC_WINDOWS
+
+#ifdef _NC_MINGW
+#include <wchar.h>
+#else
+#include <tchar.h>
+#endif
+
+#include <io.h>
+
+#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);
+\f
+#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);
+}
+\f
+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
projects / ncurses.git / blobdiff