| 1 | // |
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| 2 | // TxWin, Textmode Windowing Library |
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| 3 | // |
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| 4 | // Original code Copyright (c) 1995-2005 Fsys Software and Jan van Wijk |
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| 5 | // |
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| 6 | // ========================================================================== |
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| 7 | // |
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| 8 | // This file contains Original Code and/or Modifications of Original Code as |
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| 9 | // defined in and that are subject to the GNU Lesser General Public License. |
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| 10 | // You may not use this file except in compliance with the License. |
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| 11 | // BY USING THIS FILE YOU AGREE TO ALL TERMS AND CONDITIONS OF THE LICENSE. |
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| 12 | // A copy of the License is provided with the Original Code and Modifications, |
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| 13 | // and is also available at http://www.dfsee.com/txwin/lgpl.htm |
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| 14 | // |
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| 15 | // This library is free software; you can redistribute it and/or modify |
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| 16 | // it under the terms of the GNU Lesser General Public License as published |
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| 17 | // by the Free Software Foundation; either version 2.1 of the License, |
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| 18 | // or (at your option) any later version. |
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| 19 | // |
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| 20 | // This library is distributed in the hope that it will be useful, |
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| 21 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 22 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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| 23 | // See the GNU Lesser General Public License for more details. |
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| 24 | // |
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| 25 | // You should have received a copy of the GNU Lesser General Public License |
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| 26 | // along with this library; (lgpl.htm) if not, write to the Free Software |
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| 27 | // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 28 | // |
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| 29 | // Questions on TxWin licensing can be directed to: txwin@fsys.nl |
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| 30 | // |
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| 31 | // ========================================================================== |
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| 32 | // |
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| 33 | // TX keyboard (TXWM_CHAR) processing for window-classes |
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| 34 | // |
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| 35 | // Author: J. van Wijk |
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| 36 | // |
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| 37 | // JvW 06-07-95 Initial version |
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| 38 | |
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| 39 | #include <memory.h> |
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| 40 | |
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| 41 | #include <txlib.h> // public interface |
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| 42 | #include <txwpriv.h> // private window interface |
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| 43 | |
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| 44 | /*****************************************************************************/ |
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| 45 | // Input key handling for the TEXTVIEW window class |
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| 46 | /*****************************************************************************/ |
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| 47 | ULONG txwIkeyTextview // RET result |
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| 48 | ( |
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| 49 | TXWHANDLE hwnd, // IN current window |
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| 50 | ULONG mp1, // IN param 1 |
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| 51 | ULONG mp2 // IN param 2 |
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| 52 | ) |
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| 53 | { |
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| 54 | ULONG rc = NO_ERROR; |
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| 55 | TXWINBASE *wnd = (TXWINBASE *) hwnd; |
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| 56 | TXWINDOW *win = wnd->window; |
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| 57 | short sx = win->client.right - win->client.left +1; |
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| 58 | short sy = win->client.bottom - win->client.top +1; |
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| 59 | BOOL upd = FALSE; // window draw required |
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| 60 | BOOL skp = FALSE; |
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| 61 | short length; |
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| 62 | short nr; // nr of lines in buf |
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| 63 | TXTEXTVIEW *dat; |
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| 64 | char **s; |
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| 65 | |
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| 66 | ENTER(); |
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| 67 | if ((wnd != NULL) && (win != NULL)) |
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| 68 | { |
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| 69 | dat = &win->tv; |
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| 70 | dat->maxtop = 0; |
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| 71 | dat->maxcol = 0; |
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| 72 | for (nr = 0, s = dat->buf; s && *s; s++) // count entries |
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| 73 | { |
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| 74 | length = txSlen( *s); |
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| 75 | dat->maxcol = (USHORT) max( (short) dat->maxcol, length); |
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| 76 | nr++; |
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| 77 | } |
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| 78 | if (nr > sy) // text longer than window |
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| 79 | { |
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| 80 | dat->maxtop = nr - sy +1; // allow one more than size |
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| 81 | } |
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| 82 | if ((short) dat->maxcol > sx) // text wider as window |
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| 83 | { |
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| 84 | dat->maxcol = dat->maxcol - sx +1; // allow one more than size |
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| 85 | } |
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| 86 | else |
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| 87 | { |
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| 88 | dat->maxcol = 0; |
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| 89 | } |
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| 90 | TRACES(("top:%4lu, left:%4hd, max:%4lu, lines:%4lu\n", |
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| 91 | dat->topline, dat->leftcol, dat->maxtop, nr)); |
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| 92 | switch (mp2) // key value |
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| 93 | { |
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| 94 | case TXk_UP: |
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| 95 | if (dat->topline != 0) |
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| 96 | { |
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| 97 | dat->topline--; |
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| 98 | upd = TRUE; // full update (status) |
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| 99 | } |
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| 100 | break; |
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| 101 | |
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| 102 | case TXk_DOWN: |
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| 103 | if (dat->topline < dat->maxtop) |
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| 104 | { |
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| 105 | dat->topline++; |
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| 106 | upd = TRUE; // full update (status) |
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| 107 | } |
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| 108 | break; |
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| 109 | |
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| 110 | case TXk_PGUP: |
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| 111 | if (dat->topline > (ULONG) sy) |
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| 112 | { |
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| 113 | dat->topline -= sy; |
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| 114 | |
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| 115 | //- keep scrolling up until last line non-empty, or until the |
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| 116 | //- TOP line contains a # at start of line (#help files only) |
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| 117 | while ((strlen(win->tv.buf[win->tv.topline +sy -1]) == 0 ) && |
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| 118 | ( (win->tv.buf[win->tv.topline][0]) != '#') && |
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| 119 | ( (win->tv.buf[ 0][0]) == '#') && |
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| 120 | (dat->topline > (ULONG) sy)) |
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| 121 | { |
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| 122 | dat->topline--; |
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| 123 | } |
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| 124 | upd = TRUE; |
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| 125 | } |
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| 126 | else if (dat->topline != 0) |
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| 127 | { |
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| 128 | dat->topline = 0; |
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| 129 | upd = TRUE; |
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| 130 | } |
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| 131 | break; |
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| 132 | |
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| 133 | case TXk_PGDN: |
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| 134 | if (dat->topline + sy <= dat->maxtop) |
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| 135 | { |
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| 136 | dat->topline += sy; |
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| 137 | |
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| 138 | //- keep scrolling down until first line non-empty |
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| 139 | while ((strlen(win->tv.buf[win->tv.topline]) == 0) && |
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| 140 | (dat->topline + 1 <= dat->maxtop)) |
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| 141 | { |
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| 142 | dat->topline++; |
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| 143 | } |
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| 144 | upd = TRUE; |
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| 145 | } |
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| 146 | else if (dat->topline != dat->maxtop) |
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| 147 | { |
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| 148 | dat->topline = dat->maxtop; |
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| 149 | upd = TRUE; |
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| 150 | } |
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| 151 | break; |
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| 152 | |
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| 153 | case TXc_HOME: |
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| 154 | if (dat->topline != 0) |
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| 155 | { |
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| 156 | dat->topline = 0; |
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| 157 | upd = TRUE; |
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| 158 | } |
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| 159 | break; |
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| 160 | |
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| 161 | case TXc_END: |
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| 162 | if (dat->topline != dat->maxtop) |
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| 163 | { |
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| 164 | dat->topline = dat->maxtop; |
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| 165 | upd = TRUE; |
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| 166 | } |
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| 167 | break; |
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| 168 | |
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| 169 | case '<': |
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| 170 | case ',': |
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| 171 | case TXa_COMMA: |
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| 172 | case TXk_LEFT: |
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| 173 | if (dat->leftcol != 0) |
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| 174 | { |
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| 175 | dat->leftcol--; |
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| 176 | upd = TRUE; |
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| 177 | } |
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| 178 | break; |
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| 179 | |
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| 180 | case '>': |
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| 181 | case '.': |
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| 182 | case TXa_DOT: |
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| 183 | case TXk_RIGHT: |
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| 184 | if (dat->leftcol < dat->maxcol) |
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| 185 | { |
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| 186 | dat->leftcol++; |
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| 187 | upd = TRUE; |
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| 188 | } |
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| 189 | break; |
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| 190 | |
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| 191 | case TXk_HOME: |
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| 192 | if (dat->leftcol != 0) |
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| 193 | { |
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| 194 | dat->leftcol = 0; |
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| 195 | upd = TRUE; |
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| 196 | } |
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| 197 | break; |
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| 198 | |
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| 199 | case TXk_END: |
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| 200 | if (dat->leftcol != dat->maxcol) |
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| 201 | { |
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| 202 | dat->leftcol = dat->maxcol; |
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| 203 | upd = TRUE; |
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| 204 | } |
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| 205 | break; |
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| 206 | |
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| 207 | case TXa_F2: // print full text to SBUF |
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| 208 | for (s = dat->buf; s && *s; s++) // all lines in text |
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| 209 | { |
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| 210 | length = txSlen( *s); |
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| 211 | if ((length != 0) || (skp == FALSE)) |
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| 212 | { |
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| 213 | TxPrint( "%s\n", *s); |
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| 214 | } |
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| 215 | skp = (length == 0); // skip next line if empty too |
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| 216 | } |
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| 217 | break; |
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| 218 | |
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| 219 | default: |
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| 220 | txwPostMsg((TXWHANDLE) wnd->owner, TXWM_CHAR, mp1, mp2); |
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| 221 | break; |
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| 222 | } |
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| 223 | if (upd) |
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| 224 | { |
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| 225 | rc = txwInvalidateWindow( hwnd, TRUE, TRUE); |
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| 226 | } |
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| 227 | } |
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| 228 | else |
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| 229 | { |
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| 230 | rc = TX_INVALID_HANDLE; |
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| 231 | } |
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| 232 | RETURN( rc); |
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| 233 | } // end 'txwIkeyTextview' |
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| 234 | /*---------------------------------------------------------------------------*/ |
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| 235 | |
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| 236 | /*****************************************************************************/ |
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| 237 | // Input key handling for the SBVIEW window class |
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| 238 | /*****************************************************************************/ |
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| 239 | ULONG txwIkeySbView // RET result |
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| 240 | ( |
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| 241 | TXWHANDLE hwnd, // IN current window |
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| 242 | ULONG mp1, // IN param 1 |
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| 243 | ULONG mp2 // IN param 2 |
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| 244 | ) |
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| 245 | { |
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| 246 | ULONG rc = NO_ERROR; |
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| 247 | TXWINBASE *wnd = (TXWINBASE *) hwnd; |
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| 248 | TXWINDOW *win; |
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| 249 | BOOL upd = FALSE; // window draw required |
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| 250 | short size; |
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| 251 | TXSBVIEW *dat; |
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| 252 | |
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| 253 | //- note: sy is the vertical size of the scrollable-area, this does NOT |
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| 254 | //- include the bottom line of the display with the status-info |
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| 255 | |
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| 256 | ENTER(); |
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| 257 | if ((wnd != NULL) && ((win = wnd->window) != NULL)) |
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| 258 | { |
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| 259 | short sx = win->client.right - win->client.left +1; |
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| 260 | short sy = win->client.bottom - win->client.top; |
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| 261 | |
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| 262 | dat = &win->sb; |
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| 263 | size = (short) dat->sbdata->width; |
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| 264 | if (dat->sbdata->length > (ULONG) sy) |
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| 265 | { |
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| 266 | dat->maxtop = dat->sbdata->length - sy; |
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| 267 | } |
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| 268 | else |
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| 269 | { |
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| 270 | dat->maxtop = 0; |
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| 271 | } |
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| 272 | if (size > sx) |
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| 273 | { |
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| 274 | dat->maxcol = size - sx; |
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| 275 | } |
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| 276 | else |
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| 277 | { |
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| 278 | dat->maxcol = 0; |
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| 279 | } |
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| 280 | TRACES(("top:%4lu, left:%4hu, max:%4lu, lines: %4lu width:%4lu\n", |
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| 281 | dat->topline, dat->leftcol, dat->maxtop, |
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| 282 | dat->sbdata->length, dat->sbdata->width)); |
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| 283 | switch (mp2) // key value |
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| 284 | { |
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| 285 | case TXk_UP: |
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| 286 | case TXc_UP: |
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| 287 | case TXa_UP: |
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| 288 | if (dat->topline != 0) |
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| 289 | { |
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| 290 | dat->topline--; |
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| 291 | upd = TRUE; |
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| 292 | } |
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| 293 | break; |
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| 294 | |
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| 295 | case TXk_DOWN: |
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| 296 | case TXc_DOWN: |
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| 297 | case TXa_DOWN: |
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| 298 | if (dat->topline < dat->maxtop) |
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| 299 | { |
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| 300 | dat->topline++; |
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| 301 | upd = TRUE; |
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| 302 | } |
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| 303 | break; |
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| 304 | |
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| 305 | case TXk_PGUP: |
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| 306 | case TXc_PGUP: |
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| 307 | case TXa_PGUP: |
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| 308 | if (dat->topline > (ULONG) sy) |
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| 309 | { |
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| 310 | dat->topline -= sy; |
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| 311 | upd = TRUE; |
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| 312 | } |
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| 313 | else if (dat->topline != 0) |
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| 314 | { |
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| 315 | dat->topline = 0; |
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| 316 | upd = TRUE; |
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| 317 | } |
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| 318 | break; |
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| 319 | |
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| 320 | case TXk_PGDN: |
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| 321 | case TXc_PGDN: |
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| 322 | case TXa_PGDN: |
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| 323 | if (dat->topline + sy <= dat->maxtop) |
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| 324 | { |
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| 325 | dat->topline += sy; |
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| 326 | upd = TRUE; |
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| 327 | } |
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| 328 | else if (dat->topline != dat->maxtop) |
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| 329 | { |
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| 330 | dat->topline = dat->maxtop; |
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| 331 | upd = TRUE; |
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| 332 | } |
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| 333 | break; |
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| 334 | |
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| 335 | case TXc_HOME: |
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| 336 | case TXc_MINUS: |
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| 337 | if (dat->topline != 0) |
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| 338 | { |
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| 339 | if (mp2 == TXc_MINUS) |
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| 340 | { |
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| 341 | dat->topline = 0; |
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| 342 | } |
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| 343 | else |
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| 344 | { |
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| 345 | dat->topline = dat->sbdata->firstline; |
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| 346 | } |
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| 347 | upd = TRUE; |
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| 348 | } |
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| 349 | break; |
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| 350 | |
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| 351 | case TXc_END: |
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| 352 | if (dat->topline != dat->maxtop) |
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| 353 | { |
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| 354 | dat->topline = dat->maxtop; |
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| 355 | upd = TRUE; |
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| 356 | } |
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| 357 | break; |
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| 358 | |
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| 359 | case ',': |
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| 360 | case TXa_COMMA: |
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| 361 | case TXk_LEFT: |
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| 362 | case TXc_LEFT: |
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| 363 | case TXa_LEFT: |
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| 364 | if (dat->leftcol != 0) |
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| 365 | { |
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| 366 | dat->leftcol--; |
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| 367 | upd = TRUE; |
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| 368 | } |
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| 369 | break; |
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| 370 | |
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| 371 | case '.': |
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| 372 | case TXa_DOT: |
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| 373 | case TXk_RIGHT: |
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| 374 | case TXc_RIGHT: |
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| 375 | case TXa_RIGHT: |
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| 376 | if (dat->leftcol < dat->maxcol) |
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| 377 | { |
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| 378 | dat->leftcol++; |
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| 379 | upd = TRUE; |
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| 380 | } |
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| 381 | break; |
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| 382 | |
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| 383 | case TXk_HOME: |
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| 384 | if (dat->leftcol != 0) |
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| 385 | { |
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| 386 | if (dat->leftcol > sx) |
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| 387 | { |
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| 388 | dat->leftcol -= sx; |
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| 389 | } |
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| 390 | else |
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| 391 | { |
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| 392 | dat->leftcol = 0; |
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| 393 | } |
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| 394 | upd = TRUE; |
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| 395 | } |
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| 396 | break; |
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| 397 | |
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| 398 | case TXk_END: |
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| 399 | if (dat->leftcol != dat->maxcol) |
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| 400 | { |
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| 401 | if (dat->leftcol + sx < dat->maxcol) |
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| 402 | { |
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| 403 | dat->leftcol += sx; |
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| 404 | } |
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| 405 | else |
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| 406 | { |
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| 407 | dat->leftcol = dat->maxcol; |
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| 408 | } |
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| 409 | upd = TRUE; |
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| 410 | } |
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| 411 | break; |
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| 412 | |
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| 413 | case TXk_ESCAPE: |
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| 414 | case TXk_F10: // Focus to cmdline |
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| 415 | case TXk_MENU: |
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| 416 | if (txwa->maincmd != TXHWND_NULL) |
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| 417 | { |
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| 418 | if (txwSetFocus(txwa->maincmd) == NO_ERROR) |
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| 419 | { |
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| 420 | TRACES(( "Focus changed to main cmdline window ...\n")); |
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| 421 | if (mp2 != TXk_ESCAPE) // then pass on keystroke |
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| 422 | { |
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| 423 | txwPostMsg( txwa->maincmd, TXWM_CHAR, mp1, mp2); |
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| 424 | TRACES(( "Re-issue (menu) key to cmdline\n")); |
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| 425 | } |
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| 426 | } |
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| 427 | } |
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| 428 | break; |
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| 429 | |
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| 430 | default: |
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| 431 | txwPostMsg((TXWHANDLE) wnd->owner, TXWM_CHAR, mp1, mp2); |
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| 432 | break; |
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| 433 | } |
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| 434 | if (upd) |
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| 435 | { |
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| 436 | rc = txwInvalidateWindow( hwnd, FALSE, TRUE); |
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| 437 | } |
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| 438 | } |
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| 439 | else |
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| 440 | { |
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| 441 | rc = TX_INVALID_HANDLE; |
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| 442 | } |
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| 443 | RETURN( rc); |
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| 444 | } // end 'txwIkeySbView' |
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| 445 | /*---------------------------------------------------------------------------*/ |
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| 446 | |
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| 447 | /*****************************************************************************/ |
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| 448 | // Input key handling for the ENTRYFIELD window class |
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| 449 | /*****************************************************************************/ |
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| 450 | ULONG txwIkeyEntryfield // RET result |
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| 451 | ( |
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| 452 | TXWHANDLE hwnd, // IN current window |
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| 453 | ULONG mp1, // IN param 1 |
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| 454 | ULONG mp2 // IN param 2 |
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| 455 | ) |
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| 456 | { |
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| 457 | ULONG rc = NO_ERROR; |
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| 458 | TXWINBASE *wnd = (TXWINBASE *) hwnd; |
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| 459 | TXWINDOW *win; |
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| 460 | BOOL upd = FALSE; // window draw required |
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| 461 | short length; |
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| 462 | short index; |
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| 463 | TXENTRYFIELD *dat; |
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| 464 | TXTM completion; // completion text |
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| 465 | char *cur; |
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| 466 | |
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| 467 | ENTER(); |
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| 468 | if ((wnd != NULL) && ((win = wnd->window) != NULL)) |
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| 469 | { |
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| 470 | short sx = win->client.right - win->client.left +1; |
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| 471 | USHORT wid = txwQueryWindowUShort( hwnd, TXQWS_ID); |
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| 472 | |
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| 473 | dat = &win->ef; |
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| 474 | length = txSlen( dat->buf); |
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| 475 | index = dat->leftcol + dat->curpos; // index in string value buffer |
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| 476 | cur = &dat->buf[ index]; // address of current char |
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| 477 | if (length > sx) // text wider as window |
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| 478 | { |
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| 479 | dat->maxcol = length - sx +1; |
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| 480 | } |
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| 481 | else |
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| 482 | { |
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| 483 | dat->maxcol = 0; |
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| 484 | } |
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| 485 | TRACES(("left:%4lu, max:%4lu, curpos: %4lu\n", |
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| 486 | dat->leftcol, dat->maxcol, dat->curpos)); |
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| 487 | |
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| 488 | switch (mp2) // key value |
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| 489 | { |
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| 490 | case TXk_ENTER: |
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| 491 | txwAdd2History( hwnd, dat->buf); |
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| 492 | if (win->style & TXES_DLGE_FIELD) // field in dialog |
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| 493 | { |
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| 494 | txwPostMsg((TXWHANDLE) wnd->owner, TXWM_CHAR, (ULONG) wid, mp2); |
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| 495 | } |
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| 496 | else // stand-alone, clear and upd |
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| 497 | { |
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| 498 | dat->curpos = 0; |
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| 499 | dat->leftcol = 0; |
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| 500 | strcpy( dat->buf, ""); |
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| 501 | upd = TRUE; // repaint |
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| 502 | } |
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| 503 | break; |
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| 504 | |
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| 505 | case TXc_K: // Store in history, clear |
|---|
| 506 | txwAdd2History( hwnd, dat->buf); |
|---|
| 507 | strcpy( dat->buf, ""); |
|---|
| 508 | dat->curpos = 0; |
|---|
| 509 | dat->leftcol = 0; |
|---|
| 510 | upd = TRUE; |
|---|
| 511 | break; |
|---|
| 512 | |
|---|
| 513 | case TXa_F8: // list history (FC2 compat) |
|---|
| 514 | case TXk_F11: // list history buffer |
|---|
| 515 | if (dat->history != NULL) |
|---|
| 516 | { |
|---|
| 517 | TXRECT where = win->border; // Close to the field's ULC |
|---|
| 518 | TXSELIST *list; |
|---|
| 519 | ULONG mcode; // listbox result |
|---|
| 520 | |
|---|
| 521 | memset( completion, 0, TXMAXTM); |
|---|
| 522 | if ((dat->leftcol + dat->curpos) > 0) // prefix there ... |
|---|
| 523 | { |
|---|
| 524 | memcpy( completion, dat->buf, min( dat->leftcol + dat->curpos, TXMAXTM)); |
|---|
| 525 | } |
|---|
| 526 | if (TxSelistHistory( dat->history, completion, &list) == NO_ERROR) |
|---|
| 527 | { |
|---|
| 528 | list->flags |= TXSL_ITEM_DELETE; //- allow item delete using |
|---|
| 529 | mcode = txwListBox( // Ctrl-D, as ListBox RC |
|---|
| 530 | TXHWND_DESKTOP, |
|---|
| 531 | hwnd, // current is owner of popup |
|---|
| 532 | &where, // popup position |
|---|
| 533 | "History", // title in submenu |
|---|
| 534 | win->helpid, // and same global help |
|---|
| 535 | TXLB_MOVEABLE, |
|---|
| 536 | cMenuTextStand, // Use Menu color scheme |
|---|
| 537 | cMenuBorder_top, // for client & border |
|---|
| 538 | list); |
|---|
| 539 | |
|---|
| 540 | switch (mcode) |
|---|
| 541 | { |
|---|
| 542 | case TXDID_CANCEL: |
|---|
| 543 | break; |
|---|
| 544 | |
|---|
| 545 | case TXc_D: // delete current item |
|---|
| 546 | if (dat->history != NULL) |
|---|
| 547 | { |
|---|
| 548 | dat->history->current = list->selected; |
|---|
| 549 | txwDelCurrentHistory( dat->history); |
|---|
| 550 | } |
|---|
| 551 | break; |
|---|
| 552 | |
|---|
| 553 | default: |
|---|
| 554 | dat->history->current = mcode - TXDID_MAX -1; |
|---|
| 555 | strcpy( dat->buf, txwGetHistory( dat->history, TXH_THIS)); |
|---|
| 556 | break; |
|---|
| 557 | } |
|---|
| 558 | txSelDestroy( &list); |
|---|
| 559 | |
|---|
| 560 | if (mcode == TXc_D) // deleted item, display popup |
|---|
| 561 | { |
|---|
| 562 | txwPostMsg( hwnd, TXWM_CHAR, 0, TXk_F11); |
|---|
| 563 | } |
|---|
| 564 | upd = TRUE; |
|---|
| 565 | } |
|---|
| 566 | else |
|---|
| 567 | { |
|---|
| 568 | TxMessage( TRUE, 0, "There are no history items that match the selection criteria"); |
|---|
| 569 | } |
|---|
| 570 | } |
|---|
| 571 | break; |
|---|
| 572 | |
|---|
| 573 | case TXc_D: // Delete from history, clear |
|---|
| 574 | if (dat->history != NULL) |
|---|
| 575 | { |
|---|
| 576 | if ((dat->leftcol + dat->curpos) > 0) // prefix there ... |
|---|
| 577 | { |
|---|
| 578 | memset( completion, 0, TXMAXTM); |
|---|
| 579 | memcpy( completion, dat->buf, min( dat->leftcol + dat->curpos, TXMAXTM)); |
|---|
| 580 | |
|---|
| 581 | txwDelCurrentHistory( dat->history); |
|---|
| 582 | |
|---|
| 583 | if ((cur = txwRfndHistory( dat->history, |
|---|
| 584 | completion, TRUE)) != NULL) |
|---|
| 585 | { |
|---|
| 586 | strcpy( dat->buf, cur); |
|---|
| 587 | } |
|---|
| 588 | } |
|---|
| 589 | else // no prefix, take previous |
|---|
| 590 | { |
|---|
| 591 | txwDelCurrentHistory( dat->history); |
|---|
| 592 | strcpy( dat->buf, txwGetHistory( dat->history, TXH_PREV)); |
|---|
| 593 | } |
|---|
| 594 | } |
|---|
| 595 | upd = TRUE; |
|---|
| 596 | break; |
|---|
| 597 | |
|---|
| 598 | case TXk_UP: |
|---|
| 599 | if (dat->history != NULL) |
|---|
| 600 | { |
|---|
| 601 | if ((dat->leftcol + dat->curpos) > 0) // prefix there ... |
|---|
| 602 | { |
|---|
| 603 | memset( completion, 0, TXMAXTM); |
|---|
| 604 | memcpy( completion, dat->buf, min( dat->leftcol + dat->curpos, TXMAXTM)); |
|---|
| 605 | if ((cur = txwRfndHistory( dat->history, |
|---|
| 606 | completion, TRUE)) != NULL) |
|---|
| 607 | { |
|---|
| 608 | strcpy( dat->buf, cur); |
|---|
| 609 | } |
|---|
| 610 | } |
|---|
| 611 | else // no prefix, take previous |
|---|
| 612 | { |
|---|
| 613 | strcpy( dat->buf, txwGetHistory( dat->history, TXH_PREV)); |
|---|
| 614 | } |
|---|
| 615 | upd = TRUE; // repaint |
|---|
| 616 | } |
|---|
| 617 | else |
|---|
| 618 | { |
|---|
| 619 | txwSetFocus( txwFindPrevFocus( hwnd, FALSE)); |
|---|
| 620 | } |
|---|
| 621 | break; |
|---|
| 622 | |
|---|
| 623 | case TXk_DOWN: |
|---|
| 624 | if (dat->history != NULL) |
|---|
| 625 | { |
|---|
| 626 | if ((dat->leftcol + dat->curpos) > 0) // prefix there ... |
|---|
| 627 | { |
|---|
| 628 | memset( completion, 0, TXMAXTM); |
|---|
| 629 | memcpy( completion, dat->buf, min( dat->leftcol + dat->curpos, TXMAXTM)); |
|---|
| 630 | if ((cur = txwFindHistory( dat->history, |
|---|
| 631 | completion, TRUE)) != NULL) |
|---|
| 632 | { |
|---|
| 633 | strcpy( dat->buf, cur); |
|---|
| 634 | upd = TRUE; // repaint |
|---|
| 635 | } |
|---|
| 636 | } |
|---|
| 637 | else // no prefix, take next |
|---|
| 638 | { |
|---|
| 639 | strcpy( dat->buf, txwGetHistory( dat->history, TXH_NEXT)); |
|---|
| 640 | } |
|---|
| 641 | upd = TRUE; // repaint |
|---|
| 642 | } |
|---|
| 643 | else |
|---|
| 644 | { |
|---|
| 645 | txwSetFocus( txwFindNextFocus( hwnd, FALSE)); |
|---|
| 646 | } |
|---|
| 647 | break; |
|---|
| 648 | |
|---|
| 649 | case TXk_LEFT: |
|---|
| 650 | if (dat->curpos != 0) // not at start of field |
|---|
| 651 | { |
|---|
| 652 | dat->curpos--; |
|---|
| 653 | txwSetCursorPos( hwnd, 0, dat->curpos); |
|---|
| 654 | } |
|---|
| 655 | else if (dat->leftcol != 0) // scrolled field |
|---|
| 656 | { |
|---|
| 657 | dat->leftcol--; |
|---|
| 658 | upd = TRUE; // repaint |
|---|
| 659 | } |
|---|
| 660 | break; |
|---|
| 661 | |
|---|
| 662 | case TXc_LEFT: // one word to left |
|---|
| 663 | if (index > 0) |
|---|
| 664 | { |
|---|
| 665 | index--; |
|---|
| 666 | cur--; |
|---|
| 667 | while ((index > 0) && (*cur == ' ')) |
|---|
| 668 | { |
|---|
| 669 | index--; |
|---|
| 670 | cur--; |
|---|
| 671 | } |
|---|
| 672 | while ((index > 0) && (*cur != ' ')) |
|---|
| 673 | { |
|---|
| 674 | index--; |
|---|
| 675 | cur--; |
|---|
| 676 | } |
|---|
| 677 | if (index > 0) // stopped at space BEFORE word |
|---|
| 678 | { |
|---|
| 679 | index++; |
|---|
| 680 | cur++; |
|---|
| 681 | } |
|---|
| 682 | if (index < dat->leftcol) |
|---|
| 683 | { |
|---|
| 684 | dat->leftcol = index; // curpos at start field |
|---|
| 685 | upd = TRUE; // repaint |
|---|
| 686 | } |
|---|
| 687 | dat->curpos = index - dat->leftcol; |
|---|
| 688 | txwSetCursorPos( hwnd, 0, dat->curpos); |
|---|
| 689 | } |
|---|
| 690 | else // related stuff (scroll sbview) |
|---|
| 691 | { |
|---|
| 692 | txwPostMsg((TXWHANDLE) wnd->owner, TXWM_CHAR, mp1, mp2); |
|---|
| 693 | } |
|---|
| 694 | break; |
|---|
| 695 | |
|---|
| 696 | case TXk_RIGHT: |
|---|
| 697 | if (index < dat->rsize -1) // room to move/grow |
|---|
| 698 | { |
|---|
| 699 | if (index >= length) // beyond current string-value |
|---|
| 700 | { |
|---|
| 701 | strcat( dat->buf, " "); // extend string by one space |
|---|
| 702 | } |
|---|
| 703 | if (dat->curpos < (sx -1)) // not at end of field |
|---|
| 704 | { |
|---|
| 705 | dat->curpos++; |
|---|
| 706 | txwSetCursorPos( hwnd, 0, dat->curpos); |
|---|
| 707 | } |
|---|
| 708 | else if (dat->rsize > sx) // scroll field |
|---|
| 709 | { |
|---|
| 710 | dat->leftcol++; |
|---|
| 711 | upd = TRUE; |
|---|
| 712 | } |
|---|
| 713 | } |
|---|
| 714 | else if (dat->rsize == sx) // no-scrolling field ? |
|---|
| 715 | { |
|---|
| 716 | if (dat->buf[0] == ' ') // string starts with spaces |
|---|
| 717 | { |
|---|
| 718 | memmove( dat->buf, dat->buf +1, txSlen( dat->buf)); |
|---|
| 719 | } |
|---|
| 720 | upd = TRUE; |
|---|
| 721 | } |
|---|
| 722 | break; |
|---|
| 723 | |
|---|
| 724 | case TXc_RIGHT: // one word to right |
|---|
| 725 | if (index < length -1) // not at end of string |
|---|
| 726 | { |
|---|
| 727 | while ((index < length -1) && (*cur != ' ')) |
|---|
| 728 | { |
|---|
| 729 | index++; // skip the word itself |
|---|
| 730 | cur++; |
|---|
| 731 | } |
|---|
| 732 | while ((index < length -1) && (*cur == ' ')) |
|---|
| 733 | { |
|---|
| 734 | index++; // skip next whitespace |
|---|
| 735 | cur++; |
|---|
| 736 | } |
|---|
| 737 | if (index > dat->leftcol + sx) |
|---|
| 738 | { |
|---|
| 739 | dat->leftcol = index - sx; |
|---|
| 740 | upd = TRUE; |
|---|
| 741 | } |
|---|
| 742 | dat->curpos = index - dat->leftcol; |
|---|
| 743 | txwSetCursorPos( hwnd, 0, dat->curpos); |
|---|
| 744 | } |
|---|
| 745 | else // related stuff (scroll sbview) |
|---|
| 746 | { |
|---|
| 747 | txwPostMsg((TXWHANDLE) wnd->owner, TXWM_CHAR, mp1, mp2); |
|---|
| 748 | } |
|---|
| 749 | break; |
|---|
| 750 | |
|---|
| 751 | case TXc_E: // delete to end of field |
|---|
| 752 | *cur = '\0'; |
|---|
| 753 | upd = TRUE; // repaint |
|---|
| 754 | break; |
|---|
| 755 | |
|---|
| 756 | case TXk_ESCAPE: |
|---|
| 757 | if (win->style & TXES_DLGE_FIELD) // field in dialog |
|---|
| 758 | { |
|---|
| 759 | txwPostMsg((TXWHANDLE) wnd->owner, TXWM_CHAR, mp1, mp2); |
|---|
| 760 | break; |
|---|
| 761 | } |
|---|
| 762 | case TXc_BACKSP: // delete whole field |
|---|