mirror of
https://github.com/GnoConsortium/gno.git
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784e3de7cd
passwd, ps, purge, shutdown, stty, upper, and vi. These sources are for the versions of the utils shipped with GNO v2.0.4.
322 lines
7.0 KiB
C
322 lines
7.0 KiB
C
/*
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* STEVIE - Simply Try this Editor for VI Enthusiasts
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*
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* Code Contributions By : Tim Thompson twitch!tjt
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* Tony Andrews onecom!wldrdg!tony
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* G. R. (Fred) Walter watmath!grwalter
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*/
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#include "stevie.h"
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#include <texttool.h>
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extern char *Version;
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static int helprow;
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#ifdef HELP
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#ifdef MEGAMAX
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overlay "help"
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#endif
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static void longline(char *);
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bool_t
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help(void)
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{
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char s;
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toutstr(T_ED);
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windgoto(helprow = 0, 0);
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longline("\
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Positioning within file\n\
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=======================\n\
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^F\t\tForward screenfull Worked on by:\n\
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^B\t\tBackward screenfull Tim Thompson\n");
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longline("\
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^D\t\tscroll down half screen Tony Andrews\n\
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^U\t\tscroll up half screen G.R. (Fred) Walter\n");
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longline("\
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G\t\tGoto line (end default)\n\
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]]\t\tnext function\n\
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[[\t\tprevious function\n\
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/re\t\tnext occurence of regular expression 're'\n");
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longline("\
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?re\t\tprior occurence of regular expression 're'\n\
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n\t\trepeat last / or ?\n\
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N\t\treverse last / or ?\n\
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%\t\tfind matching (, ), {, }, [, or ]\n");
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longline("\
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\n\
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Adjusting the screen\n\
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====================\n\
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^L\t\tRedraw the screen\n\
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^E\t\tscroll window down 1 line\n\
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^Y\t\tscroll window up 1 line\n");
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longline("\
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z<RETURN>\tredraw, current line at top\n\
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z-\t\t... at bottom\n\
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z.\t\t... at center\n");
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/* s = ReadChar(0);
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windgoto(0, 32);
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longline(Version); */
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#ifdef AMIGA
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longline(" ");
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longline(__DATE__);
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longline(" ");
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longline(__TIME__);
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#endif
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windgoto(helprow = Rows - 2, 47);
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longline("<Press space bar to continue>\n");
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windgoto(helprow = Rows - 1, 47);
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longline("<Any other key will quit>");
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if (vgetc() != ' ')
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return TRUE;
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toutstr(T_ED);
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windgoto(helprow = 0, 0);
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longline("\
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Character Positioning\n\
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=====================\n\
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^\t\tfirst non-white\n\
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0\t\tbeginning of line\n\
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$\t\tend of line\n\
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h\t\tbackward\n");
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longline("\
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l\t\tforward\n\
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^H\t\tsame as h\n\
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space\t\tsame as l\n\
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fx\t\tfind 'x' forward\n");
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longline("\
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Fx\t\tfind 'x' backward\n\
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tx\t\tupto 'x' forward\n\
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Tx\t\tupto 'x' backward\n\
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;\t\tRepeat last f, F, t, or T\n");
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longline("\
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,\t\tinverse of ;\n\
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|\t\tto specified column\n\
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%\t\tfind matching (, ), {, }, [, or ]\n");
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windgoto(helprow = Rows - 2, 47);
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longline("<Press space bar to continue>\n");
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windgoto(helprow = Rows - 1, 47);
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longline("<Any other key will quit>");
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if (vgetc() != ' ')
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return TRUE;
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toutstr(T_ED);
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windgoto(helprow = 0, 0);
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longline("\
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Line Positioning\n\
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================\n\
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H\t\thome window line\n\
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L\t\tlast window line\n\
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M\t\tmiddle window line\n");
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longline("\
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+\t\tnext line, at first non-white\n\
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-\t\tprevious line, at first non-white\n\
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CR\t\treturn, same as +\n\
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j\t\tnext line, same column\n\
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k\t\tprevious line, same column\n");
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longline("\
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\n\
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Marking and Returning\n\
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=====================\n\
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``\t\tprevious context\n\
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''\t\t... at first non-white in line\n");
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longline("\
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mx\t\tmark position with letter 'x'\n\
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`x\t\tto mark 'x'\n\
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'x\t\t... at first non-white in line\n");
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windgoto(helprow = Rows - 2, 47);
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longline("<Press space bar to continue>\n");
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windgoto(helprow = Rows - 1, 47);
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longline("<Any other key will quit>");
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if (vgetc() != ' ')
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return TRUE;
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toutstr(T_ED);
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windgoto(helprow = 0, 0);
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longline("\
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Insert and Replace\n\
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==================\n\
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a\t\tappend after cursor\n\
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i\t\tinsert before cursor\n\
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A\t\tappend at end of line\n\
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I\t\tinsert before first non-blank\n");
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longline("\
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o\t\topen line below\n\
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O\t\topen line above\n\
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rx\t\treplace single char with 'x'\n\
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R\t\treplace characters (not yet)\n\
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~\t\treplace character under cursor with other case\n");
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longline("\
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\n\
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Words, sentences, paragraphs\n\
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============================\n\
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w\t\tword forward\n\
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b\t\tback word\n\
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e\t\tend of word\n\
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)\t\tto next sentence (not yet)\n\
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}\t\tto next paragraph (not yet)\n");
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longline("\
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(\t\tback sentence (not yet)\n\
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{\t\tback paragraph (not yet)\n\
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W\t\tblank delimited word\n\
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B\t\tback W\n\
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E\t\tto end of W");
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windgoto(helprow = Rows - 2, 47);
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longline("<Press space bar to continue>\n");
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windgoto(helprow = Rows - 1, 47);
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longline("<Any other key will quit>");
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if (vgetc() != ' ')
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return TRUE;
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toutstr(T_ED);
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windgoto(helprow = 0, 0);
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longline("\
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Undo & Redo\n\
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=============\n\
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u\t\tundo last change\n\
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U\t\trestore current line (not yet)\n\
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.\t\trepeat last change\n");
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longline("\
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\n\
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File manipulation\n\
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=================\n");
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longline("\
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:w\t\twrite back changes\n\
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:wq\t\twrite and quit\n\
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:x\t\twrite if modified, and quit\n\
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:q\t\tquit\n\
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:q!\t\tquit, discard changes\n\
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:e name\t\tedit file 'name'\n");
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longline("\
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:e!\t\tre-edit, discard changes\n\
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:e #\t\tedit alternate file\n\
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:w name\t\twrite file 'name'\n");
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longline("\
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:n\t\tedit next file in arglist\n\
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:n args\t\tspecify new arglist (not yet)\n\
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:rew\t\trewind arglist\n\
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:f\t\tshow current file and lines\n");
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longline("\
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:f file\t\tchange current file name\n\
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:ta tag\t\tto tag file entry 'tag'\n\
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^]\t\t:ta, current word is tag");
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windgoto(helprow = Rows - 2, 47);
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longline("<Press space bar to continue>\n");
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windgoto(helprow = Rows - 1, 47);
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longline("<Any other key will quit>");
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if (vgetc() != ' ')
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return TRUE;
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toutstr(T_ED);
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windgoto(helprow = 0, 0);
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longline("\
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Operators (double to affect lines)\n\
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==================================\n\
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d\t\tdelete\n\
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c\t\tchange\n");
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longline("\
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<\t\tleft shift\n\
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>\t\tright shift\n\
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y\t\tyank to buffer\n");
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longline("\n\
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Yank and Put\n\
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============\n\
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p\t\tput back text\n\
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P\t\tput before\n\
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Y\t\tyank lines");
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windgoto(helprow = Rows - 2, 47);
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longline("<Press space bar to continue>\n");
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windgoto(helprow = Rows - 1, 47);
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longline("<Any other key will quit>");
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if (vgetc() != ' ')
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return TRUE;
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toutstr(T_ED);
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windgoto(helprow = 0, 0);
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longline("\n\
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Miscellaneous operations\n\
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========================\n\
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C\t\tchange rest of line\n\
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D\t\tdelete rest of line\n\
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s\t\tsubstitute chars\n");
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longline("\
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S\t\tsubstitute lines (not yet)\n\
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J\t\tjoin lines\n\
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x\t\tdelete characters\n\
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X\t\t... before cursor\n\
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:!cmd\t\tsystem(\"cmd\")\n\
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:[range]s/search/replace/[g]\n\
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:[range]g/search[/p|/d]\n\
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:[range]d\tdelete range of lines\n");
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windgoto(helprow = Rows - 1, 47);
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longline("<Press any key>");
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vgetc();
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return TRUE;
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}
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static void
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longline(char *p)
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{
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# ifdef AMIGA
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outstr(p);
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# else
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char *s;
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for (s = p; *s; s++) {
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if (*s == '\n')
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windgoto(++helprow, 0);
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else
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outchar(*s);
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}
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# endif
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}
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#else
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bool_t
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help(void)
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{
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toutstr(T_ED);
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windgoto(0, 0);
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outstr(Version);
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outstr("\n\nWorked on by:\n");
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outstr("\tTim Thompson\n");
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outstr("\tTony Andrews\n");
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outstr("\tG.R. (Fred) Walter\n");
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outstr("\nSorry, help not configured\n");
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outstr("\n<Press any key>");
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vgetc();
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return TRUE;
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}
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#endif
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