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379
util/linenoise-win32.c
Normal file
379
util/linenoise-win32.c
Normal file
@ -0,0 +1,379 @@
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/* this code is not standalone
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* it is included into linenoise.c
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* for windows.
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* It is deliberately kept separate so that
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* applications that have no need for windows
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* support can omit this
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*/
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static DWORD orig_consolemode = 0;
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static int flushOutput(struct current *current);
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static void outputNewline(struct current *current);
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static void refreshStart(struct current *current)
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{
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(void)current;
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}
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static void refreshEnd(struct current *current)
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{
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(void)current;
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}
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static void refreshStartChars(struct current *current)
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{
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assert(current->output == NULL);
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/* We accumulate all output here */
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current->output = sb_alloc();
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#ifdef USE_UTF8
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current->ubuflen = 0;
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#endif
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}
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static void refreshNewline(struct current *current)
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{
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DRL("<nl>");
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outputNewline(current);
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}
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static void refreshEndChars(struct current *current)
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{
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assert(current->output);
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flushOutput(current);
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sb_free(current->output);
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current->output = NULL;
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}
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static int enableRawMode(struct current *current) {
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DWORD n;
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INPUT_RECORD irec;
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current->outh = GetStdHandle(STD_OUTPUT_HANDLE);
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current->inh = GetStdHandle(STD_INPUT_HANDLE);
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if (!PeekConsoleInput(current->inh, &irec, 1, &n)) {
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return -1;
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}
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if (getWindowSize(current) != 0) {
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return -1;
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}
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if (GetConsoleMode(current->inh, &orig_consolemode)) {
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SetConsoleMode(current->inh, ENABLE_PROCESSED_INPUT);
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}
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#ifdef USE_UTF8
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/* XXX is this the right thing to do? */
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SetConsoleCP(65001);
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#endif
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return 0;
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}
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static void disableRawMode(struct current *current)
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{
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SetConsoleMode(current->inh, orig_consolemode);
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}
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void linenoiseClearScreen(void)
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{
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/* XXX: This is ugly. Should just have the caller pass a handle */
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struct current current;
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current.outh = GetStdHandle(STD_OUTPUT_HANDLE);
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if (getWindowSize(¤t) == 0) {
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COORD topleft = { 0, 0 };
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DWORD n;
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FillConsoleOutputCharacter(current.outh, ' ',
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current.cols * current.rows, topleft, &n);
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FillConsoleOutputAttribute(current.outh,
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FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN,
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current.cols * current.rows, topleft, &n);
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SetConsoleCursorPosition(current.outh, topleft);
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}
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}
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static void cursorToLeft(struct current *current)
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{
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COORD pos;
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DWORD n;
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pos.X = 0;
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pos.Y = (SHORT)current->y;
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FillConsoleOutputAttribute(current->outh,
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FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN, current->cols, pos, &n);
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current->x = 0;
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}
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#ifdef USE_UTF8
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static void flush_ubuf(struct current *current)
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{
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COORD pos;
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DWORD nwritten;
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pos.Y = (SHORT)current->y;
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pos.X = (SHORT)current->x;
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SetConsoleCursorPosition(current->outh, pos);
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WriteConsoleW(current->outh, current->ubuf, current->ubuflen, &nwritten, 0);
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current->x += current->ubufcols;
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current->ubuflen = 0;
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current->ubufcols = 0;
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}
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static void add_ubuf(struct current *current, int ch)
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{
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/* This code originally by: Author: Mark E. Davis, 1994. */
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static const int halfShift = 10; /* used for shifting by 10 bits */
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static const DWORD halfBase = 0x0010000UL;
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static const DWORD halfMask = 0x3FFUL;
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#define UNI_SUR_HIGH_START 0xD800
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#define UNI_SUR_HIGH_END 0xDBFF
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#define UNI_SUR_LOW_START 0xDC00
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#define UNI_SUR_LOW_END 0xDFFF
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#define UNI_MAX_BMP 0x0000FFFF
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if (ch > UNI_MAX_BMP) {
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/* convert from unicode to utf16 surrogate pairs
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* There is always space for one extra word in ubuf
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*/
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ch -= halfBase;
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current->ubuf[current->ubuflen++] = (WORD)((ch >> halfShift) + UNI_SUR_HIGH_START);
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current->ubuf[current->ubuflen++] = (WORD)((ch & halfMask) + UNI_SUR_LOW_START);
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}
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else {
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current->ubuf[current->ubuflen++] = ch;
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}
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current->ubufcols += utf8_width(ch);
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if (current->ubuflen >= UBUF_MAX_CHARS) {
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flush_ubuf(current);
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}
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}
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#endif
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static int flushOutput(struct current *current)
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{
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const char *pt = sb_str(current->output);
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int len = sb_len(current->output);
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#ifdef USE_UTF8
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/* convert utf8 in current->output into utf16 in current->ubuf
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*/
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while (len) {
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int ch;
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int n = utf8_tounicode(pt, &ch);
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pt += n;
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len -= n;
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add_ubuf(current, ch);
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}
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flush_ubuf(current);
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#else
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DWORD nwritten;
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COORD pos;
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pos.Y = (SHORT)current->y;
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pos.X = (SHORT)current->x;
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SetConsoleCursorPosition(current->outh, pos);
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WriteConsoleA(current->outh, pt, len, &nwritten, 0);
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current->x += len;
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#endif
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sb_clear(current->output);
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return 0;
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}
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static int outputChars(struct current *current, const char *buf, int len)
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{
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if (len < 0) {
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len = strlen(buf);
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}
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assert(current->output);
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sb_append_len(current->output, buf, len);
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return 0;
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}
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static void outputNewline(struct current *current)
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{
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/* On the last row output a newline to force a scroll */
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if (current->y + 1 == current->rows) {
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outputChars(current, "\n", 1);
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}
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flushOutput(current);
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current->x = 0;
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current->y++;
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}
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static void setOutputHighlight(struct current *current, const int *props, int nprops)
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{
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int colour = FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN;
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int bold = 0;
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int reverse = 0;
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int i;
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for (i = 0; i < nprops; i++) {
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switch (props[i]) {
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case 0:
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colour = FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN;
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bold = 0;
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reverse = 0;
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break;
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case 1:
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bold = FOREGROUND_INTENSITY;
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break;
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case 7:
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reverse = 1;
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break;
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case 30:
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colour = 0;
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break;
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case 31:
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colour = FOREGROUND_RED;
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break;
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case 32:
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colour = FOREGROUND_GREEN;
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break;
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case 33:
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colour = FOREGROUND_RED | FOREGROUND_GREEN;
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break;
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case 34:
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colour = FOREGROUND_BLUE;
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break;
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case 35:
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colour = FOREGROUND_RED | FOREGROUND_BLUE;
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break;
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case 36:
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colour = FOREGROUND_BLUE | FOREGROUND_GREEN;
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break;
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case 37:
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colour = FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN;
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break;
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}
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}
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flushOutput(current);
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if (reverse) {
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SetConsoleTextAttribute(current->outh, BACKGROUND_INTENSITY);
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}
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else {
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SetConsoleTextAttribute(current->outh, colour | bold);
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}
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}
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static void eraseEol(struct current *current)
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{
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COORD pos;
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DWORD n;
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pos.X = (SHORT) current->x;
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pos.Y = (SHORT) current->y;
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FillConsoleOutputCharacter(current->outh, ' ', current->cols - current->x, pos, &n);
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}
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static void setCursorXY(struct current *current)
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{
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COORD pos;
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pos.X = (SHORT) current->x;
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pos.Y = (SHORT) current->y;
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SetConsoleCursorPosition(current->outh, pos);
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}
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static void setCursorPos(struct current *current, int x)
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{
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current->x = x;
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setCursorXY(current);
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}
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static void cursorUp(struct current *current, int n)
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{
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current->y -= n;
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setCursorXY(current);
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}
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static void cursorDown(struct current *current, int n)
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{
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current->y += n;
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setCursorXY(current);
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}
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static int fd_read(struct current *current)
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{
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while (1) {
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INPUT_RECORD irec;
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DWORD n;
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if (WaitForSingleObject(current->inh, INFINITE) != WAIT_OBJECT_0) {
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break;
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}
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if (!ReadConsoleInputW(current->inh, &irec, 1, &n)) {
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break;
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}
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if (irec.EventType == KEY_EVENT) {
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KEY_EVENT_RECORD *k = &irec.Event.KeyEvent;
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if (k->bKeyDown || k->wVirtualKeyCode == VK_MENU) {
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if (k->dwControlKeyState & ENHANCED_KEY) {
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switch (k->wVirtualKeyCode) {
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case VK_LEFT:
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return SPECIAL_LEFT;
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case VK_RIGHT:
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return SPECIAL_RIGHT;
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case VK_UP:
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return SPECIAL_UP;
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case VK_DOWN:
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return SPECIAL_DOWN;
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case VK_INSERT:
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return SPECIAL_INSERT;
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case VK_DELETE:
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return SPECIAL_DELETE;
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case VK_HOME:
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return SPECIAL_HOME;
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case VK_END:
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return SPECIAL_END;
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case VK_PRIOR:
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return SPECIAL_PAGE_UP;
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case VK_NEXT:
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return SPECIAL_PAGE_DOWN;
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case VK_RETURN:
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return k->uChar.UnicodeChar;
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}
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}
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/* Note that control characters are already translated in AsciiChar */
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else if (k->wVirtualKeyCode == VK_CONTROL)
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continue;
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else {
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return k->uChar.UnicodeChar;
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}
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}
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}
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}
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return -1;
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}
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static int getWindowSize(struct current *current)
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{
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CONSOLE_SCREEN_BUFFER_INFO info;
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if (!GetConsoleScreenBufferInfo(current->outh, &info)) {
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return -1;
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}
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current->cols = info.dwSize.X;
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current->rows = info.dwSize.Y;
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if (current->cols <= 0 || current->rows <= 0) {
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current->cols = 80;
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return -1;
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}
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current->y = info.dwCursorPosition.Y;
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current->x = info.dwCursorPosition.X;
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return 0;
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}
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382
util/linenoise.c
382
util/linenoise.c
@ -2784,385 +2784,3 @@ char **linenoiseHistory(int *len) {
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}
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return history;
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}
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|
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#ifdef WIN32
|
||||
|
||||
/* this code is not standalone
|
||||
* it is included into linenoise.c
|
||||
* for windows.
|
||||
* It is deliberately kept separate so that
|
||||
* applications that have no need for windows
|
||||
* support can omit this
|
||||
*/
|
||||
static DWORD orig_consolemode = 0;
|
||||
|
||||
static int flushOutput(struct current *current);
|
||||
static void outputNewline(struct current *current);
|
||||
|
||||
static void refreshStart(struct current *current)
|
||||
{
|
||||
(void)current;
|
||||
}
|
||||
|
||||
static void refreshEnd(struct current *current)
|
||||
{
|
||||
(void)current;
|
||||
}
|
||||
|
||||
static void refreshStartChars(struct current *current)
|
||||
{
|
||||
assert(current->output == NULL);
|
||||
/* We accumulate all output here */
|
||||
current->output = sb_alloc();
|
||||
#ifdef USE_UTF8
|
||||
current->ubuflen = 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
static void refreshNewline(struct current *current)
|
||||
{
|
||||
DRL("<nl>");
|
||||
outputNewline(current);
|
||||
}
|
||||
|
||||
static void refreshEndChars(struct current *current)
|
||||
{
|
||||
assert(current->output);
|
||||
flushOutput(current);
|
||||
sb_free(current->output);
|
||||
current->output = NULL;
|
||||
}
|
||||
|
||||
static int enableRawMode(struct current *current) {
|
||||
DWORD n;
|
||||
INPUT_RECORD irec;
|
||||
|
||||
current->outh = GetStdHandle(STD_OUTPUT_HANDLE);
|
||||
current->inh = GetStdHandle(STD_INPUT_HANDLE);
|
||||
|
||||
if (!PeekConsoleInput(current->inh, &irec, 1, &n)) {
|
||||
return -1;
|
||||
}
|
||||
if (getWindowSize(current) != 0) {
|
||||
return -1;
|
||||
}
|
||||
if (GetConsoleMode(current->inh, &orig_consolemode)) {
|
||||
SetConsoleMode(current->inh, ENABLE_PROCESSED_INPUT);
|
||||
}
|
||||
#ifdef USE_UTF8
|
||||
/* XXX is this the right thing to do? */
|
||||
SetConsoleCP(65001);
|
||||
#endif
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void disableRawMode(struct current *current)
|
||||
{
|
||||
SetConsoleMode(current->inh, orig_consolemode);
|
||||
}
|
||||
|
||||
void linenoiseClearScreen(void)
|
||||
{
|
||||
/* XXX: This is ugly. Should just have the caller pass a handle */
|
||||
struct current current;
|
||||
|
||||
current.outh = GetStdHandle(STD_OUTPUT_HANDLE);
|
||||
|
||||
if (getWindowSize(¤t) == 0) {
|
||||
COORD topleft = { 0, 0 };
|
||||
DWORD n;
|
||||
|
||||
FillConsoleOutputCharacter(current.outh, ' ',
|
||||
current.cols * current.rows, topleft, &n);
|
||||
FillConsoleOutputAttribute(current.outh,
|
||||
FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN,
|
||||
current.cols * current.rows, topleft, &n);
|
||||
SetConsoleCursorPosition(current.outh, topleft);
|
||||
}
|
||||
}
|
||||
|
||||
static void cursorToLeft(struct current *current)
|
||||
{
|
||||
COORD pos;
|
||||
DWORD n;
|
||||
|
||||
pos.X = 0;
|
||||
pos.Y = (SHORT)current->y;
|
||||
|
||||
FillConsoleOutputAttribute(current->outh,
|
||||
FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN, current->cols, pos, &n);
|
||||
current->x = 0;
|
||||
}
|
||||
|
||||
#ifdef USE_UTF8
|
||||
static void flush_ubuf(struct current *current)
|
||||
{
|
||||
COORD pos;
|
||||
DWORD nwritten;
|
||||
pos.Y = (SHORT)current->y;
|
||||
pos.X = (SHORT)current->x;
|
||||
SetConsoleCursorPosition(current->outh, pos);
|
||||
WriteConsoleW(current->outh, current->ubuf, current->ubuflen, &nwritten, 0);
|
||||
current->x += current->ubufcols;
|
||||
current->ubuflen = 0;
|
||||
current->ubufcols = 0;
|
||||
}
|
||||
|
||||
static void add_ubuf(struct current *current, int ch)
|
||||
{
|
||||
/* This code originally by: Author: Mark E. Davis, 1994. */
|
||||
static const int halfShift = 10; /* used for shifting by 10 bits */
|
||||
|
||||
static const DWORD halfBase = 0x0010000UL;
|
||||
static const DWORD halfMask = 0x3FFUL;
|
||||
|
||||
#define UNI_SUR_HIGH_START 0xD800
|
||||
#define UNI_SUR_HIGH_END 0xDBFF
|
||||
#define UNI_SUR_LOW_START 0xDC00
|
||||
#define UNI_SUR_LOW_END 0xDFFF
|
||||
|
||||
#define UNI_MAX_BMP 0x0000FFFF
|
||||
|
||||
if (ch > UNI_MAX_BMP) {
|
||||
/* convert from unicode to utf16 surrogate pairs
|
||||
* There is always space for one extra word in ubuf
|
||||
*/
|
||||
ch -= halfBase;
|
||||
current->ubuf[current->ubuflen++] = (WORD)((ch >> halfShift) + UNI_SUR_HIGH_START);
|
||||
current->ubuf[current->ubuflen++] = (WORD)((ch & halfMask) + UNI_SUR_LOW_START);
|
||||
}
|
||||
else {
|
||||
current->ubuf[current->ubuflen++] = ch;
|
||||
}
|
||||
current->ubufcols += utf8_width(ch);
|
||||
if (current->ubuflen >= UBUF_MAX_CHARS) {
|
||||
flush_ubuf(current);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
static int flushOutput(struct current *current)
|
||||
{
|
||||
const char *pt = sb_str(current->output);
|
||||
int len = sb_len(current->output);
|
||||
|
||||
#ifdef USE_UTF8
|
||||
/* convert utf8 in current->output into utf16 in current->ubuf
|
||||
*/
|
||||
while (len) {
|
||||
int ch;
|
||||
int n = utf8_tounicode(pt, &ch);
|
||||
|
||||
pt += n;
|
||||
len -= n;
|
||||
|
||||
add_ubuf(current, ch);
|
||||
}
|
||||
flush_ubuf(current);
|
||||
#else
|
||||
DWORD nwritten;
|
||||
COORD pos;
|
||||
|
||||
pos.Y = (SHORT)current->y;
|
||||
pos.X = (SHORT)current->x;
|
||||
|
||||
SetConsoleCursorPosition(current->outh, pos);
|
||||
WriteConsoleA(current->outh, pt, len, &nwritten, 0);
|
||||
|
||||
current->x += len;
|
||||
#endif
|
||||
|
||||
sb_clear(current->output);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int outputChars(struct current *current, const char *buf, int len)
|
||||
{
|
||||
if (len < 0) {
|
||||
len = strlen(buf);
|
||||
}
|
||||
assert(current->output);
|
||||
|
||||
sb_append_len(current->output, buf, len);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void outputNewline(struct current *current)
|
||||
{
|
||||
/* On the last row output a newline to force a scroll */
|
||||
if (current->y + 1 == current->rows) {
|
||||
outputChars(current, "\n", 1);
|
||||
}
|
||||
flushOutput(current);
|
||||
current->x = 0;
|
||||
current->y++;
|
||||
}
|
||||
|
||||
static void setOutputHighlight(struct current *current, const int *props, int nprops)
|
||||
{
|
||||
int colour = FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN;
|
||||
int bold = 0;
|
||||
int reverse = 0;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < nprops; i++) {
|
||||
switch (props[i]) {
|
||||
case 0:
|
||||
colour = FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN;
|
||||
bold = 0;
|
||||
reverse = 0;
|
||||
break;
|
||||
case 1:
|
||||
bold = FOREGROUND_INTENSITY;
|
||||
break;
|
||||
case 7:
|
||||
reverse = 1;
|
||||
break;
|
||||
case 30:
|
||||
colour = 0;
|
||||
break;
|
||||
case 31:
|
||||
colour = FOREGROUND_RED;
|
||||
break;
|
||||
case 32:
|
||||
colour = FOREGROUND_GREEN;
|
||||
break;
|
||||
case 33:
|
||||
colour = FOREGROUND_RED | FOREGROUND_GREEN;
|
||||
break;
|
||||
case 34:
|
||||
colour = FOREGROUND_BLUE;
|
||||
break;
|
||||
case 35:
|
||||
colour = FOREGROUND_RED | FOREGROUND_BLUE;
|
||||
break;
|
||||
case 36:
|
||||
colour = FOREGROUND_BLUE | FOREGROUND_GREEN;
|
||||
break;
|
||||
case 37:
|
||||
colour = FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_GREEN;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
flushOutput(current);
|
||||
|
||||
if (reverse) {
|
||||
SetConsoleTextAttribute(current->outh, BACKGROUND_INTENSITY);
|
||||
}
|
||||
else {
|
||||
SetConsoleTextAttribute(current->outh, colour | bold);
|
||||
}
|
||||
}
|
||||
|
||||
static void eraseEol(struct current *current)
|
||||
{
|
||||
COORD pos;
|
||||
DWORD n;
|
||||
|
||||
pos.X = (SHORT) current->x;
|
||||
pos.Y = (SHORT) current->y;
|
||||
|
||||
FillConsoleOutputCharacter(current->outh, ' ', current->cols - current->x, pos, &n);
|
||||
}
|
||||
|
||||
static void setCursorXY(struct current *current)
|
||||
{
|
||||
COORD pos;
|
||||
|
||||
pos.X = (SHORT) current->x;
|
||||
pos.Y = (SHORT) current->y;
|
||||
|
||||
SetConsoleCursorPosition(current->outh, pos);
|
||||
}
|
||||
|
||||
|
||||
static void setCursorPos(struct current *current, int x)
|
||||
{
|
||||
current->x = x;
|
||||
setCursorXY(current);
|
||||
}
|
||||
|
||||
static void cursorUp(struct current *current, int n)
|
||||
{
|
||||
current->y -= n;
|
||||
setCursorXY(current);
|
||||
}
|
||||
|
||||
static void cursorDown(struct current *current, int n)
|
||||
{
|
||||
current->y += n;
|
||||
setCursorXY(current);
|
||||
}
|
||||
|
||||
static int fd_read(struct current *current)
|
||||
{
|
||||
while (1) {
|
||||
INPUT_RECORD irec;
|
||||
DWORD n;
|
||||
if (WaitForSingleObject(current->inh, INFINITE) != WAIT_OBJECT_0) {
|
||||
break;
|
||||
}
|
||||
if (!ReadConsoleInputW(current->inh, &irec, 1, &n)) {
|
||||
break;
|
||||
}
|
||||
if (irec.EventType == KEY_EVENT) {
|
||||
KEY_EVENT_RECORD *k = &irec.Event.KeyEvent;
|
||||
if (k->bKeyDown || k->wVirtualKeyCode == VK_MENU) {
|
||||
if (k->dwControlKeyState & ENHANCED_KEY) {
|
||||
switch (k->wVirtualKeyCode) {
|
||||
case VK_LEFT:
|
||||
return SPECIAL_LEFT;
|
||||
case VK_RIGHT:
|
||||
return SPECIAL_RIGHT;
|
||||
case VK_UP:
|
||||
return SPECIAL_UP;
|
||||
case VK_DOWN:
|
||||
return SPECIAL_DOWN;
|
||||
case VK_INSERT:
|
||||
return SPECIAL_INSERT;
|
||||
case VK_DELETE:
|
||||
return SPECIAL_DELETE;
|
||||
case VK_HOME:
|
||||
return SPECIAL_HOME;
|
||||
case VK_END:
|
||||
return SPECIAL_END;
|
||||
case VK_PRIOR:
|
||||
return SPECIAL_PAGE_UP;
|
||||
case VK_NEXT:
|
||||
return SPECIAL_PAGE_DOWN;
|
||||
case VK_RETURN:
|
||||
return k->uChar.UnicodeChar;
|
||||
}
|
||||
}
|
||||
/* Note that control characters are already translated in AsciiChar */
|
||||
else if (k->wVirtualKeyCode == VK_CONTROL)
|
||||
continue;
|
||||
else {
|
||||
return k->uChar.UnicodeChar;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int getWindowSize(struct current *current)
|
||||
{
|
||||
CONSOLE_SCREEN_BUFFER_INFO info;
|
||||
if (!GetConsoleScreenBufferInfo(current->outh, &info)) {
|
||||
return -1;
|
||||
}
|
||||
current->cols = info.dwSize.X;
|
||||
current->rows = info.dwSize.Y;
|
||||
if (current->cols <= 0 || current->rows <= 0) {
|
||||
current->cols = 80;
|
||||
return -1;
|
||||
}
|
||||
current->y = info.dwCursorPosition.Y;
|
||||
current->x = info.dwCursorPosition.X;
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user