diff options
Diffstat (limited to 'Src/Zle')
| -rw-r--r-- | Src/Zle/complist.c | 86 |
1 files changed, 83 insertions, 3 deletions
diff --git a/Src/Zle/complist.c b/Src/Zle/complist.c index ff3650a79..421901b78 100644 --- a/Src/Zle/complist.c +++ b/Src/Zle/complist.c @@ -36,7 +36,13 @@ * type. */ +/* + * menu-select widget: used to test if it's already loaded. + */ static Widget w_menuselect; +/* + * Similarly for the menuselect and listscroll keymaps. + */ static Keymap mskeymap, lskeymap; /* Indixes into the terminal string arrays. */ @@ -389,16 +395,92 @@ getcols(Listcols c) /* Information about the list shown. */ -static int noselect, mselect, inselect, mcol, mline, mcols, mlines, mmlen; +/* + * noselect: 1 if complistmatches indicated we shouldn't do selection. + * Tested in domenuselect. + * mselect: Local copy of the index of the currently selected match. + * Initialised to the gnum entry of the current match for + * each completion. + * inselect: 1 if we already selecting matches; tested in complistmatches() + * mcol: The column for the selected completion. As we never scroll + * horizontally this applies both the screen and the logical array. + * mline: The line for the selected completion in the logical array of + * all matches, not all of which may be on screen at once. + * mcols: Local copy of columns used in sizing arrays. + * mlines: The number of lines in the logical array of all matches, + * initialised from listdat.nlines. + */ +static int noselect, mselect, inselect, mcol, mline, mcols, mlines; +/* + * selected: Used to signal between domenucomplete() and menuselect() + * that a selected entry has been found. Or something. + * mlbeg: The first line of the logical array of all matches that + * fits on screen. + * mlend: The line after the last that fits on screen. + * mscroll: 1 if the scrolling prompt is shown on screen. + * mrestlines: The number of screen lines remaining to be processed. + */ static int selected, mlbeg = -1, mlend = 9999999, mscroll, mrestlines; +/* + * mnew: 1 if a new selection menu is being displayed. + * mlastcols: stored value of mcols for use in calculating mnew. + * mlastlines: stored value of mlines for use in calculating mnew. + * mhasstat: Indicates if the status line is present (but maybe not + * yet printed). + * mfirstl: The first line of the logical array of all matches to + * be shown on screen, -1 if this has not yet been determined. + * mlastm: The index of the selected match in some circumstances; used + * if an explicit number for a match is passed to compprintfmt(); + * initialised from the total number of matches. I realise this + * isn't very illuminating. + */ static int mnew, mlastcols, mlastlines, mhasstat, mfirstl, mlastm; +/* + * mlprinted: Used to signal the number of additional lines printed + * when outputting matches (as argument passing is a bit + * screwy within the completion system). + * molbeg: The last value of mlbeg; -1 if invalid, -42 if, er, very + * invalid. Used in calculations of how much to draw. + * mocol: The last value of mcol. + * moline: The last value of mline. + * mstatprinted: Indicates that the status line has now been printed, + * c.f. mhasstat. + */ static int mlprinted, molbeg = -2, mocol = 0, moline = 0, mstatprinted; +/* + * mstatus: The message printed when scrolling. + * mlistp: The message printed when merely listing. + */ static char *mstatus, *mlistp; +/* + * mtab is the logical array of all matches referred to above. It + * contains mcols*mlines entries. These entries contain a pointer to + * the match structure which is in use at a particular point. Note + * that for multiple line entries lines after the first contain NULL. + * + * mmtabp is a pointer to the selected entry in mtab. + */ static Cmatch **mtab, **mmtabp; +/* + * Used to indicate that the list has changed and needs redisplaying. + */ static int mtab_been_reallocated; +/* + * Array and pointer for the match group in exactly the same layout + * as mtab and mmtabp. + */ static Cmgroup *mgtab, *mgtabp; +/* + * Contains information about the colours to be used for entries. + * Sometimes mcolors is passed as an argument even though it's + * availabel to all the functions. + */ static struct listcols mcolors; #ifdef DEBUG +/* + * Allow us to keep track of pointer arithmetic for mgtab; could + * just as well have been for mtab but wasn't. + */ int mgtabsize; #endif @@ -1539,7 +1621,6 @@ clprintm(Cmgroup g, Cmatch *mp, int mc, int ml, int lastc, int width) mcol = 0; mmtabp = mtab + mm; mgtabp = mgtab + mm; - mmlen = mcols; zcputs(&mcolors, g->name, COL_MA); } else if ((m->flags & CMF_NOLIST) && mcolors.files[COL_HI] && mcolors.files[COL_HI]->col) @@ -1601,7 +1682,6 @@ clprintm(Cmgroup g, Cmatch *mp, int mc, int ml, int lastc, int width) mline = ml; mmtabp = mtab + mx + mm; mgtabp = mgtab + mx + mm; - mmlen = width; zcputs(&mcolors, g->name, COL_MA); } else if (m->flags & CMF_NOLIST) zcputs(&mcolors, g->name, COL_HI); |