1037 lines
30 KiB
C
1037 lines
30 KiB
C
/*
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* line edition function for Win32 console
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*
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* Copyright 2001 Eric Pouech
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wincon.h"
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#include "wine/unicode.h"
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#include "winnls.h"
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#include "wine/debug.h"
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#include "console_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(console);
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struct WCEL_Context;
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typedef struct
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{
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WCHAR val; /* vk or unicode char */
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void (*func)(struct WCEL_Context* ctx);
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} KeyEntry;
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typedef struct
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{
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DWORD keyState; /* keyState (from INPUT_RECORD) to match */
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BOOL chkChar; /* check vk or char */
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const KeyEntry* entries; /* array of entries */
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} KeyMap;
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typedef struct WCEL_Context {
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WCHAR* line; /* the line being edited */
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size_t alloc; /* number of WCHAR in line */
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unsigned len; /* number of chars in line */
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unsigned last_rub; /* number of chars to rub to get to start
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(for consoles that can't change cursor pos) */
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unsigned last_max; /* max number of chars written
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(for consoles that can't change cursor pos) */
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unsigned ofs; /* offset for cursor in current line */
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WCHAR* yanked; /* yanked line */
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unsigned mark; /* marked point (emacs mode only) */
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CONSOLE_SCREEN_BUFFER_INFO csbi; /* current state (initial cursor, window size, attribute) */
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CONSOLE_CURSOR_INFO cinfo; /* original cursor state (size, visibility) */
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HANDLE hConIn;
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HANDLE hConOut;
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unsigned done : 1, /* to 1 when we're done with editing */
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error : 1, /* to 1 when an error occurred in the editing */
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can_wrap : 1, /* to 1 when multi-line edition can take place */
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shall_echo : 1, /* to 1 when characters should be echo:ed when keyed-in */
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insert : 1, /* to 1 when new characters are inserted (otherwise overwrite) */
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insertkey : 1, /* to 1 when the Insert key toggle is active */
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can_pos_cursor : 1; /* to 1 when console can (re)position cursor */
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unsigned histSize;
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unsigned histPos;
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WCHAR* histCurr;
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} WCEL_Context;
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#if 0
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static void WCEL_Dump(WCEL_Context* ctx, const char* pfx)
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{
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MESSAGE("%s: [line=%s[alloc=%u] ofs=%u len=%u start=(%d,%d) mask=%c%c%c]\n"
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"\t\thist=(size=%u pos=%u curr=%s)\n"
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"\t\tyanked=%s\n",
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pfx, debugstr_w(ctx->line), ctx->alloc, ctx->ofs, ctx->len,
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ctx->csbi.dwCursorPosition.X, ctx->csbi.dwCursorPosition.Y,
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ctx->done ? 'D' : 'd', ctx->error ? 'E' : 'e', ctx->can_wrap ? 'W' : 'w',
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ctx->histSize, ctx->histPos, debugstr_w(ctx->histCurr),
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debugstr_w(ctx->yanked));
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}
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#endif
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/* ====================================================================
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*
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* Console helper functions
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*
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* ====================================================================*/
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static BOOL WCEL_Get(WCEL_Context* ctx, INPUT_RECORD* ir)
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{
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if (ReadConsoleInputW(ctx->hConIn, ir, 1, NULL)) return TRUE;
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ctx->error = 1;
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return FALSE;
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}
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static inline void WCEL_Beep(WCEL_Context* ctx)
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{
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Beep(400, 300);
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}
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static inline BOOL WCEL_IsSingleLine(WCEL_Context* ctx, size_t len)
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{
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return ctx->csbi.dwCursorPosition.X + ctx->len + len <= ctx->csbi.dwSize.X;
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}
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static inline int WCEL_CharWidth(WCHAR wch)
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{
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return wch < ' ' ? 2 : 1;
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}
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static inline int WCEL_StringWidth(const WCHAR* str, int beg, int len)
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{
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int i, ofs;
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for (i = 0, ofs = 0; i < len; i++)
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ofs += WCEL_CharWidth(str[beg + i]);
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return ofs;
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}
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static inline COORD WCEL_GetCoord(WCEL_Context* ctx, int strofs)
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{
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COORD c;
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int len = ctx->csbi.dwSize.X - ctx->csbi.dwCursorPosition.X;
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int ofs;
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ofs = WCEL_StringWidth(ctx->line, 0, strofs);
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c.Y = ctx->csbi.dwCursorPosition.Y;
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if (ofs >= len)
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{
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ofs -= len;
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c.X = ofs % ctx->csbi.dwSize.X;
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c.Y += 1 + ofs / ctx->csbi.dwSize.X;
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}
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else c.X = ctx->csbi.dwCursorPosition.X + ofs;
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return c;
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}
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static DWORD WCEL_WriteConsole(WCEL_Context* ctx, DWORD beg, DWORD len)
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{
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DWORD i, last, dw, ret = 0;
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WCHAR tmp[2];
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for (i = last = 0; i < len; i++)
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{
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if (ctx->line[beg + i] < ' ')
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{
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if (last != i)
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{
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WriteConsoleW(ctx->hConOut, &ctx->line[beg + last], i - last, &dw, NULL);
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ret += dw;
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}
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tmp[0] = '^';
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tmp[1] = '@' + ctx->line[beg + i];
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WriteConsoleW(ctx->hConOut, tmp, 2, &dw, NULL);
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last = i + 1;
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ret += dw;
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}
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}
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if (last != len)
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{
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WriteConsoleW(ctx->hConOut, &ctx->line[beg + last], len - last, &dw, NULL);
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ret += dw;
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}
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return ret;
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}
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static inline void WCEL_WriteNChars(WCEL_Context* ctx, char ch, int count)
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{
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DWORD dw;
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if (count > 0)
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{
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while (count--) WriteFile(ctx->hConOut, &ch, 1, &dw, NULL);
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}
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}
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static inline void WCEL_Update(WCEL_Context* ctx, int beg, int len)
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{
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int i, last;
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DWORD count;
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WCHAR tmp[2];
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/* bare console case is handled in CONSOLE_ReadLine (we always reprint the whole string) */
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if (!ctx->shall_echo || !ctx->can_pos_cursor) return;
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for (i = last = beg; i < beg + len; i++)
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{
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if (ctx->line[i] < ' ')
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{
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if (last != i)
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{
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WriteConsoleOutputCharacterW(ctx->hConOut, &ctx->line[last], i - last,
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WCEL_GetCoord(ctx, last), &count);
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FillConsoleOutputAttribute(ctx->hConOut, ctx->csbi.wAttributes, i - last,
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WCEL_GetCoord(ctx, last), &count);
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}
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tmp[0] = '^';
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tmp[1] = '@' + ctx->line[i];
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WriteConsoleOutputCharacterW(ctx->hConOut, tmp, 2,
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WCEL_GetCoord(ctx, i), &count);
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FillConsoleOutputAttribute(ctx->hConOut, ctx->csbi.wAttributes, 2,
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WCEL_GetCoord(ctx, i), &count);
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last = i + 1;
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}
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}
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if (last != beg + len)
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{
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WriteConsoleOutputCharacterW(ctx->hConOut, &ctx->line[last], i - last,
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WCEL_GetCoord(ctx, last), &count);
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FillConsoleOutputAttribute(ctx->hConOut, ctx->csbi.wAttributes, i - last,
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WCEL_GetCoord(ctx, last), &count);
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}
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}
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/* ====================================================================
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*
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* context manipulation functions
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*
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* ====================================================================*/
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static BOOL WCEL_Grow(WCEL_Context* ctx, size_t len)
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{
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if (!WCEL_IsSingleLine(ctx, len) && !ctx->can_wrap)
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{
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FIXME("Mode doesn't allow wrapping. However, we should allow overwriting the current string\n");
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return FALSE;
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}
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if (ctx->len + len >= ctx->alloc)
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{
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WCHAR* newline;
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size_t newsize;
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/* round up size to 32 byte-WCHAR boundary */
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newsize = (ctx->len + len + 1 + 31) & ~31;
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if (ctx->line)
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newline = HeapReAlloc(GetProcessHeap(), 0, ctx->line, sizeof(WCHAR) * newsize);
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else
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newline = HeapAlloc(GetProcessHeap(), 0, sizeof(WCHAR) * newsize);
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if (!newline) return FALSE;
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ctx->line = newline;
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ctx->alloc = newsize;
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}
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return TRUE;
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}
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static void WCEL_DeleteString(WCEL_Context* ctx, int beg, int end)
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{
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unsigned str_len = end - beg;
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if (end < ctx->len)
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memmove(&ctx->line[beg], &ctx->line[end], (ctx->len - end) * sizeof(WCHAR));
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/* we need to clean from ctx->len - str_len to ctx->len */
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if (ctx->shall_echo)
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{
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COORD cbeg = WCEL_GetCoord(ctx, ctx->len - str_len);
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COORD cend = WCEL_GetCoord(ctx, ctx->len);
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CHAR_INFO ci;
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ci.Char.UnicodeChar = ' ';
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ci.Attributes = ctx->csbi.wAttributes;
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if (cbeg.Y == cend.Y)
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{
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/* partial erase of sole line */
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CONSOLE_FillLineUniform(ctx->hConOut, cbeg.X, cbeg.Y,
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cend.X - cbeg.X, &ci);
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}
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else
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{
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int i;
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/* erase til eol on first line */
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CONSOLE_FillLineUniform(ctx->hConOut, cbeg.X, cbeg.Y,
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ctx->csbi.dwSize.X - cbeg.X, &ci);
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/* completely erase all the others (full lines) */
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for (i = cbeg.Y + 1; i < cend.Y; i++)
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CONSOLE_FillLineUniform(ctx->hConOut, 0, i, ctx->csbi.dwSize.X, &ci);
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/* erase from beginning of line until last pos on last line */
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CONSOLE_FillLineUniform(ctx->hConOut, 0, cend.Y, cend.X, &ci);
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}
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}
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ctx->len -= str_len;
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WCEL_Update(ctx, 0, ctx->len);
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ctx->line[ctx->len] = 0;
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}
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static void WCEL_InsertString(WCEL_Context* ctx, const WCHAR* str)
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{
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size_t len = lstrlenW(str), updtlen;
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if (!len) return;
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if (ctx->insert)
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{
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if (!WCEL_Grow(ctx, len)) return;
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if (ctx->len > ctx->ofs)
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memmove(&ctx->line[ctx->ofs + len], &ctx->line[ctx->ofs], (ctx->len - ctx->ofs) * sizeof(WCHAR));
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ctx->len += len;
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updtlen = ctx->len - ctx->ofs;
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}
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else
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{
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if (ctx->ofs + len > ctx->len)
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{
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if (!WCEL_Grow(ctx, (ctx->ofs + len) - ctx->len)) return;
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ctx->len = ctx->ofs + len;
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}
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updtlen = len;
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}
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memcpy(&ctx->line[ctx->ofs], str, len * sizeof(WCHAR));
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ctx->line[ctx->len] = 0;
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WCEL_Update(ctx, ctx->ofs, updtlen);
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ctx->ofs += len;
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}
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static void WCEL_InsertChar(WCEL_Context* ctx, WCHAR c)
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{
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WCHAR buffer[2];
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buffer[0] = c;
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buffer[1] = 0;
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WCEL_InsertString(ctx, buffer);
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}
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static void WCEL_FreeYank(WCEL_Context* ctx)
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{
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HeapFree(GetProcessHeap(), 0, ctx->yanked);
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ctx->yanked = NULL;
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}
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static void WCEL_SaveYank(WCEL_Context* ctx, int beg, int end)
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{
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int len = end - beg;
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if (len <= 0) return;
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WCEL_FreeYank(ctx);
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/* After WCEL_FreeYank ctx->yanked is empty */
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ctx->yanked = HeapAlloc(GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR));
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if (!ctx->yanked) return;
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memcpy(ctx->yanked, &ctx->line[beg], len * sizeof(WCHAR));
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ctx->yanked[len] = 0;
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}
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/* FIXME NTDLL doesn't export iswalnum, and I don't want to link in msvcrt when most
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* of the data lay in unicode lib
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*/
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static inline BOOL WCEL_iswalnum(WCHAR wc)
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{
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return get_char_typeW(wc) & (C1_ALPHA|C1_DIGIT|C1_LOWER|C1_UPPER);
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}
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static int WCEL_GetLeftWordTransition(WCEL_Context* ctx, int ofs)
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{
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ofs--;
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while (ofs >= 0 && !WCEL_iswalnum(ctx->line[ofs])) ofs--;
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while (ofs >= 0 && WCEL_iswalnum(ctx->line[ofs])) ofs--;
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if (ofs >= 0) ofs++;
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return max(ofs, 0);
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}
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static int WCEL_GetRightWordTransition(WCEL_Context* ctx, int ofs)
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{
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ofs++;
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while (ofs <= ctx->len && WCEL_iswalnum(ctx->line[ofs])) ofs++;
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while (ofs <= ctx->len && !WCEL_iswalnum(ctx->line[ofs])) ofs++;
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return min(ofs, ctx->len);
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}
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static WCHAR* WCEL_GetHistory(WCEL_Context* ctx, int idx)
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{
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WCHAR* ptr;
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if (idx == ctx->histSize - 1)
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{
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ptr = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(ctx->histCurr) + 1) * sizeof(WCHAR));
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lstrcpyW(ptr, ctx->histCurr);
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}
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else
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{
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int len = CONSOLE_GetHistory(idx, NULL, 0);
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if ((ptr = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))))
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{
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CONSOLE_GetHistory(idx, ptr, len);
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}
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}
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return ptr;
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}
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static void WCEL_HistoryInit(WCEL_Context* ctx)
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{
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ctx->histPos = CONSOLE_GetNumHistoryEntries();
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ctx->histSize = ctx->histPos + 1;
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ctx->histCurr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WCHAR));
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}
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static void WCEL_MoveToHist(WCEL_Context* ctx, int idx)
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{
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WCHAR* data = WCEL_GetHistory(ctx, idx);
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int len = lstrlenW(data) + 1;
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/* save current line edition for recall when needed (FIXME seems broken to me) */
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if (ctx->histPos == ctx->histSize - 1)
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{
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HeapFree(GetProcessHeap(), 0, ctx->histCurr);
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ctx->histCurr = HeapAlloc(GetProcessHeap(), 0, (ctx->len + 1) * sizeof(WCHAR));
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memcpy(ctx->histCurr, ctx->line, (ctx->len + 1) * sizeof(WCHAR));
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}
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/* need to clean also the screen if new string is shorter than old one */
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WCEL_DeleteString(ctx, 0, ctx->len);
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ctx->ofs = 0;
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/* insert new string */
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if (WCEL_Grow(ctx, len))
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{
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WCEL_InsertString(ctx, data);
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HeapFree(GetProcessHeap(), 0, data);
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ctx->histPos = idx;
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}
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}
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static void WCEL_FindPrevInHist(WCEL_Context* ctx)
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{
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int startPos = ctx->histPos;
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WCHAR* data;
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unsigned int len, oldofs;
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if (ctx->histPos && ctx->histPos == ctx->histSize) {
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startPos--;
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ctx->histPos--;
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}
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do {
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data = WCEL_GetHistory(ctx, ctx->histPos);
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if (ctx->histPos) ctx->histPos--;
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else ctx->histPos = (ctx->histSize-1);
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len = lstrlenW(data) + 1;
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if ((len >= ctx->ofs) &&
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(memcmp(ctx->line, data, ctx->ofs * sizeof(WCHAR)) == 0)) {
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/* need to clean also the screen if new string is shorter than old one */
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WCEL_DeleteString(ctx, 0, ctx->len);
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if (WCEL_Grow(ctx, len))
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{
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oldofs = ctx->ofs;
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ctx->ofs = 0;
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WCEL_InsertString(ctx, data);
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ctx->ofs = oldofs;
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if (ctx->shall_echo)
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SetConsoleCursorPosition(ctx->hConOut, WCEL_GetCoord(ctx, ctx->ofs));
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HeapFree(GetProcessHeap(), 0, data);
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return;
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}
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}
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} while (ctx->histPos != startPos);
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return;
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}
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|
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/* ====================================================================
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*
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* basic edition functions
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*
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* ====================================================================*/
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static void WCEL_Done(WCEL_Context* ctx)
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{
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WCHAR nl = '\n';
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if (!WCEL_Grow(ctx, 2)) return;
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ctx->line[ctx->len++] = '\r';
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ctx->line[ctx->len++] = '\n';
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ctx->line[ctx->len] = 0;
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WriteConsoleW(ctx->hConOut, &nl, 1, NULL, NULL);
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if (ctx->insertkey)
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SetConsoleCursorInfo(ctx->hConOut, &ctx->cinfo);
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ctx->done = 1;
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}
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static void WCEL_MoveLeft(WCEL_Context* ctx)
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{
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if (ctx->ofs > 0) ctx->ofs--;
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}
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static void WCEL_MoveRight(WCEL_Context* ctx)
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{
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if (ctx->ofs < ctx->len) ctx->ofs++;
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}
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|
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static void WCEL_MoveToLeftWord(WCEL_Context* ctx)
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{
|
|
unsigned int new_ofs = WCEL_GetLeftWordTransition(ctx, ctx->ofs);
|
|
if (new_ofs != ctx->ofs) ctx->ofs = new_ofs;
|
|
}
|
|
|
|
static void WCEL_MoveToRightWord(WCEL_Context* ctx)
|
|
{
|
|
unsigned int new_ofs = WCEL_GetRightWordTransition(ctx, ctx->ofs);
|
|
if (new_ofs != ctx->ofs) ctx->ofs = new_ofs;
|
|
}
|
|
|
|
static void WCEL_MoveToBeg(WCEL_Context* ctx)
|
|
{
|
|
ctx->ofs = 0;
|
|
}
|
|
|
|
static void WCEL_MoveToEnd(WCEL_Context* ctx)
|
|
{
|
|
ctx->ofs = ctx->len;
|
|
}
|
|
|
|
static void WCEL_SetMark(WCEL_Context* ctx)
|
|
{
|
|
ctx->mark = ctx->ofs;
|
|
}
|
|
|
|
static void WCEL_ExchangeMark(WCEL_Context* ctx)
|
|
{
|
|
unsigned tmp;
|
|
|
|
if (ctx->mark > ctx->len) return;
|
|
tmp = ctx->ofs;
|
|
ctx->ofs = ctx->mark;
|
|
ctx->mark = tmp;
|
|
}
|
|
|
|
static void WCEL_CopyMarkedZone(WCEL_Context* ctx)
|
|
{
|
|
unsigned beg, end;
|
|
|
|
if (ctx->mark > ctx->len || ctx->mark == ctx->ofs) return;
|
|
if (ctx->mark > ctx->ofs)
|
|
{
|
|
beg = ctx->ofs; end = ctx->mark;
|
|
}
|
|
else
|
|
{
|
|
beg = ctx->mark; end = ctx->ofs;
|
|
}
|
|
WCEL_SaveYank(ctx, beg, end);
|
|
}
|
|
|
|
static void WCEL_TransposeChar(WCEL_Context* ctx)
|
|
{
|
|
WCHAR c;
|
|
|
|
if (!ctx->ofs || ctx->ofs == ctx->len) return;
|
|
|
|
c = ctx->line[ctx->ofs];
|
|
ctx->line[ctx->ofs] = ctx->line[ctx->ofs - 1];
|
|
ctx->line[ctx->ofs - 1] = c;
|
|
|
|
WCEL_Update(ctx, ctx->ofs - 1, 2);
|
|
ctx->ofs++;
|
|
}
|
|
|
|
static void WCEL_TransposeWords(WCEL_Context* ctx)
|
|
{
|
|
unsigned int left_ofs = WCEL_GetLeftWordTransition(ctx, ctx->ofs),
|
|
right_ofs = WCEL_GetRightWordTransition(ctx, ctx->ofs);
|
|
if (left_ofs < ctx->ofs && right_ofs > ctx->ofs)
|
|
{
|
|
unsigned len_r = right_ofs - ctx->ofs;
|
|
unsigned len_l = ctx->ofs - left_ofs;
|
|
|
|
char* tmp = HeapAlloc(GetProcessHeap(), 0, len_r * sizeof(WCHAR));
|
|
if (!tmp) return;
|
|
|
|
memcpy(tmp, &ctx->line[ctx->ofs], len_r * sizeof(WCHAR));
|
|
memmove(&ctx->line[left_ofs + len_r], &ctx->line[left_ofs], len_l * sizeof(WCHAR));
|
|
memcpy(&ctx->line[left_ofs], tmp, len_r * sizeof(WCHAR));
|
|
|
|
HeapFree(GetProcessHeap(), 0, tmp);
|
|
WCEL_Update(ctx, left_ofs, len_l + len_r);
|
|
ctx->ofs = right_ofs;
|
|
}
|
|
}
|
|
|
|
static void WCEL_LowerCaseWord(WCEL_Context* ctx)
|
|
{
|
|
unsigned int new_ofs = WCEL_GetRightWordTransition(ctx, ctx->ofs);
|
|
if (new_ofs != ctx->ofs)
|
|
{
|
|
unsigned int i;
|
|
for (i = ctx->ofs; i <= new_ofs; i++)
|
|
ctx->line[i] = tolowerW(ctx->line[i]);
|
|
WCEL_Update(ctx, ctx->ofs, new_ofs - ctx->ofs + 1);
|
|
ctx->ofs = new_ofs;
|
|
}
|
|
}
|
|
|
|
static void WCEL_UpperCaseWord(WCEL_Context* ctx)
|
|
{
|
|
unsigned int new_ofs = WCEL_GetRightWordTransition(ctx, ctx->ofs);
|
|
if (new_ofs != ctx->ofs)
|
|
{
|
|
unsigned int i;
|
|
for (i = ctx->ofs; i <= new_ofs; i++)
|
|
ctx->line[i] = toupperW(ctx->line[i]);
|
|
WCEL_Update(ctx, ctx->ofs, new_ofs - ctx->ofs + 1);
|
|
ctx->ofs = new_ofs;
|
|
}
|
|
}
|
|
|
|
static void WCEL_CapitalizeWord(WCEL_Context* ctx)
|
|
{
|
|
unsigned int new_ofs = WCEL_GetRightWordTransition(ctx, ctx->ofs);
|
|
if (new_ofs != ctx->ofs)
|
|
{
|
|
unsigned int i;
|
|
|
|
ctx->line[ctx->ofs] = toupperW(ctx->line[ctx->ofs]);
|
|
for (i = ctx->ofs + 1; i <= new_ofs; i++)
|
|
ctx->line[i] = tolowerW(ctx->line[i]);
|
|
WCEL_Update(ctx, ctx->ofs, new_ofs - ctx->ofs + 1);
|
|
ctx->ofs = new_ofs;
|
|
}
|
|
}
|
|
|
|
static void WCEL_Yank(WCEL_Context* ctx)
|
|
{
|
|
WCEL_InsertString(ctx, ctx->yanked);
|
|
}
|
|
|
|
static void WCEL_KillToEndOfLine(WCEL_Context* ctx)
|
|
{
|
|
WCEL_SaveYank(ctx, ctx->ofs, ctx->len);
|
|
WCEL_DeleteString(ctx, ctx->ofs, ctx->len);
|
|
}
|
|
|
|
static void WCEL_KillFromBegOfLine(WCEL_Context* ctx)
|
|
{
|
|
if (ctx->ofs)
|
|
{
|
|
WCEL_SaveYank(ctx, 0, ctx->ofs);
|
|
WCEL_DeleteString(ctx, 0, ctx->ofs);
|
|
ctx->ofs = 0;
|
|
}
|
|
}
|
|
|
|
static void WCEL_KillMarkedZone(WCEL_Context* ctx)
|
|
{
|
|
unsigned beg, end;
|
|
|
|
if (ctx->mark > ctx->len || ctx->mark == ctx->ofs) return;
|
|
if (ctx->mark > ctx->ofs)
|
|
{
|
|
beg = ctx->ofs; end = ctx->mark;
|
|
}
|
|
else
|
|
{
|
|
beg = ctx->mark; end = ctx->ofs;
|
|
}
|
|
WCEL_SaveYank(ctx, beg, end);
|
|
WCEL_DeleteString(ctx, beg, end);
|
|
ctx->ofs = beg;
|
|
}
|
|
|
|
static void WCEL_DeletePrevChar(WCEL_Context* ctx)
|
|
{
|
|
if (ctx->ofs)
|
|
{
|
|
WCEL_DeleteString(ctx, ctx->ofs - 1, ctx->ofs);
|
|
ctx->ofs--;
|
|
}
|
|
}
|
|
|
|
static void WCEL_DeleteCurrChar(WCEL_Context* ctx)
|
|
{
|
|
if (ctx->ofs < ctx->len)
|
|
WCEL_DeleteString(ctx, ctx->ofs, ctx->ofs + 1);
|
|
}
|
|
|
|
static void WCEL_DeleteLeftWord(WCEL_Context* ctx)
|
|
{
|
|
unsigned int new_ofs = WCEL_GetLeftWordTransition(ctx, ctx->ofs);
|
|
if (new_ofs != ctx->ofs)
|
|
{
|
|
WCEL_DeleteString(ctx, new_ofs, ctx->ofs);
|
|
ctx->ofs = new_ofs;
|
|
}
|
|
}
|
|
|
|
static void WCEL_DeleteRightWord(WCEL_Context* ctx)
|
|
{
|
|
unsigned int new_ofs = WCEL_GetRightWordTransition(ctx, ctx->ofs);
|
|
if (new_ofs != ctx->ofs)
|
|
{
|
|
WCEL_DeleteString(ctx, ctx->ofs, new_ofs);
|
|
}
|
|
}
|
|
|
|
static void WCEL_MoveToPrevHist(WCEL_Context* ctx)
|
|
{
|
|
if (ctx->histPos) WCEL_MoveToHist(ctx, ctx->histPos - 1);
|
|
}
|
|
|
|
static void WCEL_MoveToNextHist(WCEL_Context* ctx)
|
|
{
|
|
if (ctx->histPos < ctx->histSize - 1) WCEL_MoveToHist(ctx, ctx->histPos + 1);
|
|
}
|
|
|
|
static void WCEL_MoveToFirstHist(WCEL_Context* ctx)
|
|
{
|
|
if (ctx->histPos != 0) WCEL_MoveToHist(ctx, 0);
|
|
}
|
|
|
|
static void WCEL_MoveToLastHist(WCEL_Context* ctx)
|
|
{
|
|
if (ctx->histPos != ctx->histSize - 1) WCEL_MoveToHist(ctx, ctx->histSize - 1);
|
|
}
|
|
|
|
static void WCEL_Redraw(WCEL_Context* ctx)
|
|
{
|
|
if (ctx->shall_echo)
|
|
{
|
|
COORD c = WCEL_GetCoord(ctx, ctx->len);
|
|
CHAR_INFO ci;
|
|
|
|
WCEL_Update(ctx, 0, ctx->len);
|
|
|
|
ci.Char.UnicodeChar = ' ';
|
|
ci.Attributes = ctx->csbi.wAttributes;
|
|
|
|
CONSOLE_FillLineUniform(ctx->hConOut, c.X, c.Y, ctx->csbi.dwSize.X - c.X, &ci);
|
|
}
|
|
}
|
|
|
|
static void WCEL_RepeatCount(WCEL_Context* ctx)
|
|
{
|
|
#if 0
|
|
/* FIXME: wait until all console code is in kernel32 */
|
|
INPUT_RECORD ir;
|
|
unsigned repeat = 0;
|
|
|
|
while (WCEL_Get(ctx, &ir, FALSE))
|
|
{
|
|
if (ir.EventType != KEY_EVENT) break;
|
|
if (ir.Event.KeyEvent.bKeyDown)
|
|
{
|
|
if ((ir.Event.KeyEvent.dwControlKeyState & ~(NUMLOCK_ON|SCROLLLOCK_ON|CAPSLOCK_ON)) != 0)
|
|
break;
|
|
if (ir.Event.KeyEvent.uChar.UnicodeChar < '0' ||
|
|
ir.Event.KeyEvent.uChar.UnicodeChar > '9')
|
|
break;
|
|
repeat = repeat * 10 + ir.Event.KeyEvent.uChar.UnicodeChar - '0';
|
|
}
|
|
WCEL_Get(ctx, &ir, TRUE);
|
|
}
|
|
FIXME("=> %u\n", repeat);
|
|
#endif
|
|
}
|
|
|
|
static void WCEL_ToggleInsert(WCEL_Context* ctx)
|
|
{
|
|
CONSOLE_CURSOR_INFO cinfo;
|
|
|
|
ctx->insertkey = !ctx->insertkey;
|
|
|
|
if (GetConsoleCursorInfo(ctx->hConOut, &cinfo))
|
|
{
|
|
cinfo.dwSize = ctx->insertkey ? 100 : 25;
|
|
SetConsoleCursorInfo(ctx->hConOut, &cinfo);
|
|
}
|
|
}
|
|
|
|
/* ====================================================================
|
|
*
|
|
* Key Maps
|
|
*
|
|
* ====================================================================*/
|
|
|
|
#define CTRL(x) ((x) - '@')
|
|
static const KeyEntry StdKeyMap[] =
|
|
{
|
|
{/*BACK*/0x08, WCEL_DeletePrevChar },
|
|
{/*RETURN*/0x0d, WCEL_Done },
|
|
{/*DEL*/127, WCEL_DeleteCurrChar },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const KeyEntry EmacsKeyMapCtrl[] =
|
|
{
|
|
{ CTRL('@'), WCEL_SetMark },
|
|
{ CTRL('A'), WCEL_MoveToBeg },
|
|
{ CTRL('B'), WCEL_MoveLeft },
|
|
/* C: done in server */
|
|
{ CTRL('D'), WCEL_DeleteCurrChar },
|
|
{ CTRL('E'), WCEL_MoveToEnd },
|
|
{ CTRL('F'), WCEL_MoveRight },
|
|
{ CTRL('G'), WCEL_Beep },
|
|
{ CTRL('H'), WCEL_DeletePrevChar },
|
|
/* I: meaningless (or tab ???) */
|
|
{ CTRL('J'), WCEL_Done },
|
|
{ CTRL('K'), WCEL_KillToEndOfLine },
|
|
{ CTRL('L'), WCEL_Redraw },
|
|
{ CTRL('M'), WCEL_Done },
|
|
{ CTRL('N'), WCEL_MoveToNextHist },
|
|
/* O; insert line... meaningless */
|
|
{ CTRL('P'), WCEL_MoveToPrevHist },
|
|
/* Q: [NIY] quoting... */
|
|
/* R: [NIY] search backwards... */
|
|
/* S: [NIY] search forwards... */
|
|
{ CTRL('T'), WCEL_TransposeChar },
|
|
{ CTRL('U'), WCEL_RepeatCount },
|
|
/* V: paragraph down... meaningless */
|
|
{ CTRL('W'), WCEL_KillMarkedZone },
|
|
{ CTRL('X'), WCEL_ExchangeMark },
|
|
{ CTRL('Y'), WCEL_Yank },
|
|
/* Z: meaningless */
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const KeyEntry EmacsKeyMapAlt[] =
|
|
{
|
|
{/*DEL*/127, WCEL_DeleteLeftWord },
|
|
{ '<', WCEL_MoveToFirstHist },
|
|
{ '>', WCEL_MoveToLastHist },
|
|
{ '?', WCEL_Beep },
|
|
{ 'b', WCEL_MoveToLeftWord },
|
|
{ 'c', WCEL_CapitalizeWord },
|
|
{ 'd', WCEL_DeleteRightWord },
|
|
{ 'f', WCEL_MoveToRightWord },
|
|
{ 'l', WCEL_LowerCaseWord },
|
|
{ 't', WCEL_TransposeWords },
|
|
{ 'u', WCEL_UpperCaseWord },
|
|
{ 'w', WCEL_CopyMarkedZone },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const KeyEntry EmacsStdKeyMap[] =
|
|
{
|
|
{/*VK_PRIOR*/0x21, WCEL_MoveToPrevHist },
|
|
{/*VK_NEXT*/ 0x22, WCEL_MoveToNextHist },
|
|
{/*VK_END*/ 0x23, WCEL_MoveToEnd },
|
|
{/*VK_HOME*/ 0x24, WCEL_MoveToBeg },
|
|
{/*VK_RIGHT*/0x27, WCEL_MoveRight },
|
|
{/*VK_LEFT*/ 0x25, WCEL_MoveLeft },
|
|
{/*VK_DEL*/ 0x2e, WCEL_DeleteCurrChar },
|
|
{/*VK_INSERT*/0x2d, WCEL_ToggleInsert },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const KeyMap EmacsKeyMap[] =
|
|
{
|
|
{0, 1, StdKeyMap},
|
|
{0, 0, EmacsStdKeyMap},
|
|
{RIGHT_ALT_PRESSED, 1, EmacsKeyMapAlt}, /* right alt */
|
|
{LEFT_ALT_PRESSED, 1, EmacsKeyMapAlt}, /* left alt */
|
|
{RIGHT_CTRL_PRESSED, 1, EmacsKeyMapCtrl}, /* right ctrl */
|
|
{LEFT_CTRL_PRESSED, 1, EmacsKeyMapCtrl}, /* left ctrl */
|
|
{0, 0, NULL}
|
|
};
|
|
|
|
static const KeyEntry Win32StdKeyMap[] =
|
|
{
|
|
{/*VK_LEFT*/ 0x25, WCEL_MoveLeft },
|
|
{/*VK_RIGHT*/0x27, WCEL_MoveRight },
|
|
{/*VK_HOME*/ 0x24, WCEL_MoveToBeg },
|
|
{/*VK_END*/ 0x23, WCEL_MoveToEnd },
|
|
{/*VK_UP*/ 0x26, WCEL_MoveToPrevHist },
|
|
{/*VK_DOWN*/ 0x28, WCEL_MoveToNextHist },
|
|
{/*VK_DEL*/ 0x2e, WCEL_DeleteCurrChar },
|
|
{/*VK_INSERT*/0x2d, WCEL_ToggleInsert },
|
|
{/*VK_F8*/ 0x77, WCEL_FindPrevInHist },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const KeyEntry Win32KeyMapCtrl[] =
|
|
{
|
|
{/*VK_LEFT*/ 0x25, WCEL_MoveToLeftWord },
|
|
{/*VK_RIGHT*/0x27, WCEL_MoveToRightWord },
|
|
{/*VK_END*/ 0x23, WCEL_KillToEndOfLine },
|
|
{/*VK_HOME*/ 0x24, WCEL_KillFromBegOfLine },
|
|
{ 0, NULL }
|
|
};
|
|
|
|
static const KeyMap Win32KeyMap[] =
|
|
{
|
|
{0, 1, StdKeyMap},
|
|
{0, 0, Win32StdKeyMap},
|
|
{RIGHT_CTRL_PRESSED, 0, Win32KeyMapCtrl},
|
|
{LEFT_CTRL_PRESSED, 0, Win32KeyMapCtrl},
|
|
{0, 0, NULL}
|
|
};
|
|
#undef CTRL
|
|
|
|
/* ====================================================================
|
|
*
|
|
* Read line master function
|
|
*
|
|
* ====================================================================*/
|
|
|
|
WCHAR* CONSOLE_Readline(HANDLE hConsoleIn, BOOL can_pos_cursor)
|
|
{
|
|
WCEL_Context ctx;
|
|
INPUT_RECORD ir;
|
|
const KeyMap* km;
|
|
const KeyEntry* ke;
|
|
unsigned ofs;
|
|
void (*func)(struct WCEL_Context* ctx);
|
|
DWORD mode, ks;
|
|
int use_emacs;
|
|
|
|
memset(&ctx, 0, sizeof(ctx));
|
|
ctx.hConIn = hConsoleIn;
|
|
WCEL_HistoryInit(&ctx);
|
|
|
|
if (!CONSOLE_GetEditionMode(hConsoleIn, &use_emacs))
|
|
use_emacs = 0;
|
|
|
|
if ((ctx.hConOut = CreateFileA("CONOUT$", GENERIC_READ|GENERIC_WRITE, 0, NULL,
|
|
OPEN_EXISTING, 0, 0 )) == INVALID_HANDLE_VALUE ||
|
|
!GetConsoleScreenBufferInfo(ctx.hConOut, &ctx.csbi))
|
|
return NULL;
|
|
if (!GetConsoleMode(hConsoleIn, &mode)) mode = 0;
|
|
ctx.shall_echo = (mode & ENABLE_ECHO_INPUT) ? 1 : 0;
|
|
ctx.insert = (mode & (ENABLE_INSERT_MODE|ENABLE_EXTENDED_FLAGS)) == (ENABLE_INSERT_MODE|ENABLE_EXTENDED_FLAGS) ? 1 : 0;
|
|
if (!GetConsoleMode(ctx.hConOut, &mode)) mode = 0;
|
|
ctx.can_wrap = (mode & ENABLE_WRAP_AT_EOL_OUTPUT) ? 1 : 0;
|
|
ctx.can_pos_cursor = can_pos_cursor;
|
|
GetConsoleCursorInfo(ctx.hConOut, &ctx.cinfo);
|
|
|
|
if (!WCEL_Grow(&ctx, 1))
|
|
{
|
|
CloseHandle(ctx.hConOut);
|
|
return NULL;
|
|
}
|
|
ctx.line[0] = 0;
|
|
|
|
/* EPP WCEL_Dump(&ctx, "init"); */
|
|
|
|
while (!ctx.done && !ctx.error && WCEL_Get(&ctx, &ir))
|
|
{
|
|
if (ir.EventType != KEY_EVENT) continue;
|
|
TRACE("key%s repeatCount=%u, keyCode=%02x scanCode=%02x char=%02x keyState=%08x\n",
|
|
ir.Event.KeyEvent.bKeyDown ? "Down" : "Up ", ir.Event.KeyEvent.wRepeatCount,
|
|
ir.Event.KeyEvent.wVirtualKeyCode, ir.Event.KeyEvent.wVirtualScanCode,
|
|
ir.Event.KeyEvent.uChar.UnicodeChar, ir.Event.KeyEvent.dwControlKeyState);
|
|
if (!ir.Event.KeyEvent.bKeyDown) continue;
|
|
|
|
/* EPP WCEL_Dump(&ctx, "before func"); */
|
|
ofs = ctx.ofs;
|
|
/* mask out some bits which don't interest us */
|
|
ks = ir.Event.KeyEvent.dwControlKeyState & ~(NUMLOCK_ON|SCROLLLOCK_ON|CAPSLOCK_ON|ENHANCED_KEY);
|
|
|
|
func = NULL;
|
|
for (km = (use_emacs) ? EmacsKeyMap : Win32KeyMap; km->entries != NULL; km++)
|
|
{
|
|
if (km->keyState != ks)
|
|
continue;
|
|
if (km->chkChar)
|
|
{
|
|
for (ke = &km->entries[0]; ke->func != 0; ke++)
|
|
if (ke->val == ir.Event.KeyEvent.uChar.UnicodeChar) break;
|
|
}
|
|
else
|
|
{
|
|
for (ke = &km->entries[0]; ke->func != 0; ke++)
|
|
if (ke->val == ir.Event.KeyEvent.wVirtualKeyCode) break;
|
|
|
|
}
|
|
if (ke->func)
|
|
{
|
|
func = ke->func;
|
|
break;
|
|
}
|
|
}
|
|
|
|
GetConsoleMode(hConsoleIn, &mode);
|
|
ctx.insert = (mode & (ENABLE_INSERT_MODE|ENABLE_EXTENDED_FLAGS)) ==
|
|
(ENABLE_INSERT_MODE|ENABLE_EXTENDED_FLAGS);
|
|
if (ctx.insertkey)
|
|
ctx.insert = !ctx.insert;
|
|
|
|
if (func)
|
|
(func)(&ctx);
|
|
else if (!(ir.Event.KeyEvent.dwControlKeyState & LEFT_ALT_PRESSED))
|
|
WCEL_InsertChar(&ctx, ir.Event.KeyEvent.uChar.UnicodeChar);
|
|
else TRACE("Dropped event\n");
|
|
|
|
/* EPP WCEL_Dump(&ctx, "after func"); */
|
|
if (!ctx.shall_echo) continue;
|
|
if (ctx.can_pos_cursor)
|
|
{
|
|
if (ctx.ofs != ofs)
|
|
SetConsoleCursorPosition(ctx.hConOut, WCEL_GetCoord(&ctx, ctx.ofs));
|
|
}
|
|
else if (!ctx.done && !ctx.error)
|
|
{
|
|
DWORD last;
|
|
/* erase previous chars */
|
|
WCEL_WriteNChars(&ctx, '\b', ctx.last_rub);
|
|
|
|
/* write chars up to cursor */
|
|
ctx.last_rub = WCEL_WriteConsole(&ctx, 0, ctx.ofs);
|
|
/* write chars past cursor */
|
|
last = ctx.last_rub + WCEL_WriteConsole(&ctx, ctx.ofs, ctx.len - ctx.ofs);
|
|
if (last < ctx.last_max) /* ctx.line has been shortened, erase */
|
|
{
|
|
WCEL_WriteNChars(&ctx, ' ', ctx.last_max - last);
|
|
WCEL_WriteNChars(&ctx, '\b', ctx.last_max - last);
|
|
ctx.last_max = last;
|
|
}
|
|
else ctx.last_max = last;
|
|
/* reposition at cursor */
|
|
WCEL_WriteNChars(&ctx, '\b', last - ctx.last_rub);
|
|
}
|
|
}
|
|
if (ctx.error)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, ctx.line);
|
|
ctx.line = NULL;
|
|
}
|
|
WCEL_FreeYank(&ctx);
|
|
if (ctx.line)
|
|
CONSOLE_AppendHistory(ctx.line);
|
|
|
|
CloseHandle(ctx.hConOut);
|
|
HeapFree(GetProcessHeap(), 0, ctx.histCurr);
|
|
return ctx.line;
|
|
}
|