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Diffstat (limited to 'src/highlight.c')
| -rw-r--r-- | src/highlight.c | 3715 |
1 files changed, 3715 insertions, 0 deletions
diff --git a/src/highlight.c b/src/highlight.c new file mode 100644 index 0000000..56b1988 --- /dev/null +++ b/src/highlight.c @@ -0,0 +1,3715 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * Highlighting stuff. + */ + +#include "vim.h" + +#define SG_TERM 1 // term has been set +#define SG_CTERM 2 // cterm has been set +#define SG_GUI 4 // gui has been set +#define SG_LINK 8 // link has been set + +/* + * The "term", "cterm" and "gui" arguments can be any combination of the + * following names, separated by commas (but no spaces!). + */ +static char *(hl_name_table[]) = + {"bold", "standout", "underline", "undercurl", + "italic", "reverse", "inverse", "nocombine", "strikethrough", "NONE"}; +static int hl_attr_table[] = + {HL_BOLD, HL_STANDOUT, HL_UNDERLINE, HL_UNDERCURL, HL_ITALIC, HL_INVERSE, HL_INVERSE, HL_NOCOMBINE, HL_STRIKETHROUGH, 0}; +#define ATTR_COMBINE(attr_a, attr_b) ((((attr_b) & HL_NOCOMBINE) ? attr_b : (attr_a)) | (attr_b)) + +/* + * Structure that stores information about a highlight group. + * The ID of a highlight group is also called group ID. It is the index in + * the highlight_ga array PLUS ONE. + */ +typedef struct +{ + char_u *sg_name; // highlight group name + char_u *sg_name_u; // uppercase of sg_name + int sg_cleared; // "hi clear" was used +// for normal terminals + int sg_term; // "term=" highlighting attributes + char_u *sg_start; // terminal string for start highl + char_u *sg_stop; // terminal string for stop highl + int sg_term_attr; // Screen attr for term mode +// for color terminals + int sg_cterm; // "cterm=" highlighting attr + int sg_cterm_bold; // bold attr was set for light color + int sg_cterm_fg; // terminal fg color number + 1 + int sg_cterm_bg; // terminal bg color number + 1 + int sg_cterm_ul; // terminal ul color number + 1 + int sg_cterm_attr; // Screen attr for color term mode +// for when using the GUI +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + guicolor_T sg_gui_fg; // GUI foreground color handle + guicolor_T sg_gui_bg; // GUI background color handle + guicolor_T sg_gui_sp; // GUI special color handle +#endif +#ifdef FEAT_GUI + GuiFont sg_font; // GUI font handle +#ifdef FEAT_XFONTSET + GuiFontset sg_fontset; // GUI fontset handle +#endif + char_u *sg_font_name; // GUI font or fontset name + int sg_gui_attr; // Screen attr for GUI mode +#endif +#if defined(FEAT_GUI) || defined(FEAT_EVAL) +// Store the sp color name for the GUI or synIDattr() + int sg_gui; // "gui=" highlighting attributes + char_u *sg_gui_fg_name;// GUI foreground color name + char_u *sg_gui_bg_name;// GUI background color name + char_u *sg_gui_sp_name;// GUI special color name +#endif + int sg_link; // link to this highlight group ID + int sg_deflink; // default link; restored in highlight_clear() + int sg_set; // combination of SG_* flags +#ifdef FEAT_EVAL + sctx_T sg_deflink_sctx; // script where the default link was set + sctx_T sg_script_ctx; // script in which the group was last set +#endif +} hl_group_T; + +// highlight groups for 'highlight' option +static garray_T highlight_ga; +#define HL_TABLE() ((hl_group_T *)((highlight_ga.ga_data))) + +/* + * An attribute number is the index in attr_table plus ATTR_OFF. + */ +#define ATTR_OFF (HL_ALL + 1) + +static void syn_unadd_group(void); +static void set_hl_attr(int idx); +static void highlight_list_one(int id); +static int highlight_list_arg(int id, int didh, int type, int iarg, char_u *sarg, char *name); +static int syn_add_group(char_u *name); +static int hl_has_settings(int idx, int check_link); +static void highlight_clear(int idx); + +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) +static void gui_do_one_color(int idx, int do_menu, int do_tooltip); +#endif +#ifdef FEAT_GUI +static int set_group_colors(char_u *name, guicolor_T *fgp, guicolor_T *bgp, int do_menu, int use_norm, int do_tooltip); +static void hl_do_font(int idx, char_u *arg, int do_normal, int do_menu, int do_tooltip, int free_font); +#endif + +/* + * The default highlight groups. These are compiled-in for fast startup and + * they still work when the runtime files can't be found. + * When making changes here, also change runtime/colors/default.vim! + * The #ifdefs are needed to reduce the amount of static data. Helps to make + * the 16 bit DOS (museum) version compile. + */ +#if defined(FEAT_GUI) || defined(FEAT_EVAL) +# define CENT(a, b) b +#else +# define CENT(a, b) a +#endif +static char *(highlight_init_both[]) = { + CENT("ErrorMsg term=standout ctermbg=DarkRed ctermfg=White", + "ErrorMsg term=standout ctermbg=DarkRed ctermfg=White guibg=Red guifg=White"), + CENT("IncSearch term=reverse cterm=reverse", + "IncSearch term=reverse cterm=reverse gui=reverse"), + CENT("ModeMsg term=bold cterm=bold", + "ModeMsg term=bold cterm=bold gui=bold"), + CENT("NonText term=bold ctermfg=Blue", + "NonText term=bold ctermfg=Blue gui=bold guifg=Blue"), + CENT("StatusLine term=reverse,bold cterm=reverse,bold", + "StatusLine term=reverse,bold cterm=reverse,bold gui=reverse,bold"), + CENT("StatusLineNC term=reverse cterm=reverse", + "StatusLineNC term=reverse cterm=reverse gui=reverse"), + "default link EndOfBuffer NonText", + CENT("VertSplit term=reverse cterm=reverse", + "VertSplit term=reverse cterm=reverse gui=reverse"), +#ifdef FEAT_CLIPBOARD + CENT("VisualNOS term=underline,bold cterm=underline,bold", + "VisualNOS term=underline,bold cterm=underline,bold gui=underline,bold"), +#endif +#ifdef FEAT_DIFF + CENT("DiffText term=reverse cterm=bold ctermbg=Red", + "DiffText term=reverse cterm=bold ctermbg=Red gui=bold guibg=Red"), +#endif + CENT("PmenuSbar ctermbg=Grey", + "PmenuSbar ctermbg=Grey guibg=Grey"), + CENT("TabLineSel term=bold cterm=bold", + "TabLineSel term=bold cterm=bold gui=bold"), + CENT("TabLineFill term=reverse cterm=reverse", + "TabLineFill term=reverse cterm=reverse gui=reverse"), +#ifdef FEAT_GUI + "Cursor guibg=fg guifg=bg", + "lCursor guibg=fg guifg=bg", // should be different, but what? +#endif + "default link QuickFixLine Search", + CENT("Normal cterm=NONE", "Normal gui=NONE"), + NULL +}; + +// Default colors only used with a light background. +static char *(highlight_init_light[]) = { + CENT("Directory term=bold ctermfg=DarkBlue", + "Directory term=bold ctermfg=DarkBlue guifg=Blue"), + CENT("LineNr term=underline ctermfg=Brown", + "LineNr term=underline ctermfg=Brown guifg=Brown"), + CENT("CursorLineNr term=bold cterm=underline ctermfg=Brown", + "CursorLineNr term=bold cterm=underline ctermfg=Brown gui=bold guifg=Brown"), + CENT("MoreMsg term=bold ctermfg=DarkGreen", + "MoreMsg term=bold ctermfg=DarkGreen gui=bold guifg=SeaGreen"), + CENT("Question term=standout ctermfg=DarkGreen", + "Question term=standout ctermfg=DarkGreen gui=bold guifg=SeaGreen"), + CENT("Search term=reverse ctermbg=Yellow ctermfg=NONE", + "Search term=reverse ctermbg=Yellow ctermfg=NONE guibg=Yellow guifg=NONE"), +#ifdef FEAT_SPELL + CENT("SpellBad term=reverse ctermbg=LightRed", + "SpellBad term=reverse ctermbg=LightRed guisp=Red gui=undercurl"), + CENT("SpellCap term=reverse ctermbg=LightBlue", + "SpellCap term=reverse ctermbg=LightBlue guisp=Blue gui=undercurl"), + CENT("SpellRare term=reverse ctermbg=LightMagenta", + "SpellRare term=reverse ctermbg=LightMagenta guisp=Magenta gui=undercurl"), + CENT("SpellLocal term=underline ctermbg=Cyan", + "SpellLocal term=underline ctermbg=Cyan guisp=DarkCyan gui=undercurl"), +#endif + CENT("PmenuThumb ctermbg=Black", + "PmenuThumb ctermbg=Black guibg=Black"), + CENT("Pmenu ctermbg=LightMagenta ctermfg=Black", + "Pmenu ctermbg=LightMagenta ctermfg=Black guibg=LightMagenta"), + CENT("PmenuSel ctermbg=LightGrey ctermfg=Black", + "PmenuSel ctermbg=LightGrey ctermfg=Black guibg=Grey"), + CENT("SpecialKey term=bold ctermfg=DarkBlue", + "SpecialKey term=bold ctermfg=DarkBlue guifg=Blue"), + CENT("Title term=bold ctermfg=DarkMagenta", + "Title term=bold ctermfg=DarkMagenta gui=bold guifg=Magenta"), + CENT("WarningMsg term=standout ctermfg=DarkRed", + "WarningMsg term=standout ctermfg=DarkRed guifg=Red"), +#ifdef FEAT_WILDMENU + CENT("WildMenu term=standout ctermbg=Yellow ctermfg=Black", + "WildMenu term=standout ctermbg=Yellow ctermfg=Black guibg=Yellow guifg=Black"), +#endif +#ifdef FEAT_FOLDING + CENT("Folded term=standout ctermbg=Grey ctermfg=DarkBlue", + "Folded term=standout ctermbg=Grey ctermfg=DarkBlue guibg=LightGrey guifg=DarkBlue"), + CENT("FoldColumn term=standout ctermbg=Grey ctermfg=DarkBlue", + "FoldColumn term=standout ctermbg=Grey ctermfg=DarkBlue guibg=Grey guifg=DarkBlue"), +#endif +#ifdef FEAT_SIGNS + CENT("SignColumn term=standout ctermbg=Grey ctermfg=DarkBlue", + "SignColumn term=standout ctermbg=Grey ctermfg=DarkBlue guibg=Grey guifg=DarkBlue"), +#endif + CENT("Visual term=reverse", + "Visual term=reverse guibg=LightGrey"), +#ifdef FEAT_DIFF + CENT("DiffAdd term=bold ctermbg=LightBlue", + "DiffAdd term=bold ctermbg=LightBlue guibg=LightBlue"), + CENT("DiffChange term=bold ctermbg=LightMagenta", + "DiffChange term=bold ctermbg=LightMagenta guibg=LightMagenta"), + CENT("DiffDelete term=bold ctermfg=Blue ctermbg=LightCyan", + "DiffDelete term=bold ctermfg=Blue ctermbg=LightCyan gui=bold guifg=Blue guibg=LightCyan"), +#endif + CENT("TabLine term=underline cterm=underline ctermfg=black ctermbg=LightGrey", + "TabLine term=underline cterm=underline ctermfg=black ctermbg=LightGrey gui=underline guibg=LightGrey"), +#ifdef FEAT_SYN_HL + CENT("CursorColumn term=reverse ctermbg=LightGrey", + "CursorColumn term=reverse ctermbg=LightGrey guibg=Grey90"), + CENT("CursorLine term=underline cterm=underline", + "CursorLine term=underline cterm=underline guibg=Grey90"), + CENT("ColorColumn term=reverse ctermbg=LightRed", + "ColorColumn term=reverse ctermbg=LightRed guibg=LightRed"), +#endif +#ifdef FEAT_CONCEAL + CENT("Conceal ctermbg=DarkGrey ctermfg=LightGrey", + "Conceal ctermbg=DarkGrey ctermfg=LightGrey guibg=DarkGrey guifg=LightGrey"), +#endif + CENT("MatchParen term=reverse ctermbg=Cyan", + "MatchParen term=reverse ctermbg=Cyan guibg=Cyan"), +#ifdef FEAT_TERMINAL + CENT("StatusLineTerm term=reverse,bold cterm=bold ctermfg=White ctermbg=DarkGreen", + "StatusLineTerm term=reverse,bold cterm=bold ctermfg=White ctermbg=DarkGreen gui=bold guifg=bg guibg=DarkGreen"), + CENT("StatusLineTermNC term=reverse ctermfg=White ctermbg=DarkGreen", + "StatusLineTermNC term=reverse ctermfg=White ctermbg=DarkGreen guifg=bg guibg=DarkGreen"), +#endif +#ifdef FEAT_MENU + CENT("ToolbarLine term=underline ctermbg=LightGrey", + "ToolbarLine term=underline ctermbg=LightGrey guibg=LightGrey"), + CENT("ToolbarButton cterm=bold ctermfg=White ctermbg=DarkGrey", + "ToolbarButton cterm=bold ctermfg=White ctermbg=DarkGrey gui=bold guifg=White guibg=Grey40"), +#endif + NULL +}; + +// Default colors only used with a dark background. +static char *(highlight_init_dark[]) = { + CENT("Directory term=bold ctermfg=LightCyan", + "Directory term=bold ctermfg=LightCyan guifg=Cyan"), + CENT("LineNr term=underline ctermfg=Yellow", + "LineNr term=underline ctermfg=Yellow guifg=Yellow"), + CENT("CursorLineNr term=bold cterm=underline ctermfg=Yellow", + "CursorLineNr term=bold cterm=underline ctermfg=Yellow gui=bold guifg=Yellow"), + CENT("MoreMsg term=bold ctermfg=LightGreen", + "MoreMsg term=bold ctermfg=LightGreen gui=bold guifg=SeaGreen"), + CENT("Question term=standout ctermfg=LightGreen", + "Question term=standout ctermfg=LightGreen gui=bold guifg=Green"), + CENT("Search term=reverse ctermbg=Yellow ctermfg=Black", + "Search term=reverse ctermbg=Yellow ctermfg=Black guibg=Yellow guifg=Black"), + CENT("SpecialKey term=bold ctermfg=LightBlue", + "SpecialKey term=bold ctermfg=LightBlue guifg=Cyan"), +#ifdef FEAT_SPELL + CENT("SpellBad term=reverse ctermbg=Red", + "SpellBad term=reverse ctermbg=Red guisp=Red gui=undercurl"), + CENT("SpellCap term=reverse ctermbg=Blue", + "SpellCap term=reverse ctermbg=Blue guisp=Blue gui=undercurl"), + CENT("SpellRare term=reverse ctermbg=Magenta", + "SpellRare term=reverse ctermbg=Magenta guisp=Magenta gui=undercurl"), + CENT("SpellLocal term=underline ctermbg=Cyan", + "SpellLocal term=underline ctermbg=Cyan guisp=Cyan gui=undercurl"), +#endif + CENT("PmenuThumb ctermbg=White", + "PmenuThumb ctermbg=White guibg=White"), + CENT("Pmenu ctermbg=Magenta ctermfg=Black", + "Pmenu ctermbg=Magenta ctermfg=Black guibg=Magenta"), + CENT("PmenuSel ctermbg=Black ctermfg=DarkGrey", + "PmenuSel ctermbg=Black ctermfg=DarkGrey guibg=DarkGrey"), + CENT("Title term=bold ctermfg=LightMagenta", + "Title term=bold ctermfg=LightMagenta gui=bold guifg=Magenta"), + CENT("WarningMsg term=standout ctermfg=LightRed", + "WarningMsg term=standout ctermfg=LightRed guifg=Red"), +#ifdef FEAT_WILDMENU + CENT("WildMenu term=standout ctermbg=Yellow ctermfg=Black", + "WildMenu term=standout ctermbg=Yellow ctermfg=Black guibg=Yellow guifg=Black"), +#endif +#ifdef FEAT_FOLDING + CENT("Folded term=standout ctermbg=DarkGrey ctermfg=Cyan", + "Folded term=standout ctermbg=DarkGrey ctermfg=Cyan guibg=DarkGrey guifg=Cyan"), + CENT("FoldColumn term=standout ctermbg=DarkGrey ctermfg=Cyan", + "FoldColumn term=standout ctermbg=DarkGrey ctermfg=Cyan guibg=Grey guifg=Cyan"), +#endif +#ifdef FEAT_SIGNS + CENT("SignColumn term=standout ctermbg=DarkGrey ctermfg=Cyan", + "SignColumn term=standout ctermbg=DarkGrey ctermfg=Cyan guibg=Grey guifg=Cyan"), +#endif + CENT("Visual term=reverse", + "Visual term=reverse guibg=DarkGrey"), +#ifdef FEAT_DIFF + CENT("DiffAdd term=bold ctermbg=DarkBlue", + "DiffAdd term=bold ctermbg=DarkBlue guibg=DarkBlue"), + CENT("DiffChange term=bold ctermbg=DarkMagenta", + "DiffChange term=bold ctermbg=DarkMagenta guibg=DarkMagenta"), + CENT("DiffDelete term=bold ctermfg=Blue ctermbg=DarkCyan", + "DiffDelete term=bold ctermfg=Blue ctermbg=DarkCyan gui=bold guifg=Blue guibg=DarkCyan"), +#endif + CENT("TabLine term=underline cterm=underline ctermfg=white ctermbg=DarkGrey", + "TabLine term=underline cterm=underline ctermfg=white ctermbg=DarkGrey gui=underline guibg=DarkGrey"), +#ifdef FEAT_SYN_HL + CENT("CursorColumn term=reverse ctermbg=DarkGrey", + "CursorColumn term=reverse ctermbg=DarkGrey guibg=Grey40"), + CENT("CursorLine term=underline cterm=underline", + "CursorLine term=underline cterm=underline guibg=Grey40"), + CENT("ColorColumn term=reverse ctermbg=DarkRed", + "ColorColumn term=reverse ctermbg=DarkRed guibg=DarkRed"), +#endif + CENT("MatchParen term=reverse ctermbg=DarkCyan", + "MatchParen term=reverse ctermbg=DarkCyan guibg=DarkCyan"), +#ifdef FEAT_CONCEAL + CENT("Conceal ctermbg=DarkGrey ctermfg=LightGrey", + "Conceal ctermbg=DarkGrey ctermfg=LightGrey guibg=DarkGrey guifg=LightGrey"), +#endif +#ifdef FEAT_TERMINAL + CENT("StatusLineTerm term=reverse,bold cterm=bold ctermfg=Black ctermbg=LightGreen", + "StatusLineTerm term=reverse,bold cterm=bold ctermfg=Black ctermbg=LightGreen gui=bold guifg=bg guibg=LightGreen"), + CENT("StatusLineTermNC term=reverse ctermfg=Black ctermbg=LightGreen", + "StatusLineTermNC term=reverse ctermfg=Black ctermbg=LightGreen guifg=bg guibg=LightGreen"), +#endif +#ifdef FEAT_MENU + CENT("ToolbarLine term=underline ctermbg=DarkGrey", + "ToolbarLine term=underline ctermbg=DarkGrey guibg=Grey50"), + CENT("ToolbarButton cterm=bold ctermfg=Black ctermbg=LightGrey", + "ToolbarButton cterm=bold ctermfg=Black ctermbg=LightGrey gui=bold guifg=Black guibg=LightGrey"), +#endif + NULL +}; + +/* + * Returns the number of highlight groups. + */ + int +highlight_num_groups(void) +{ + return highlight_ga.ga_len; +} + +/* + * Returns the name of a highlight group. + */ + char_u * +highlight_group_name(int id) +{ + return HL_TABLE()[id].sg_name; +} + +/* + * Returns the ID of the link to a highlight group. + */ + int +highlight_link_id(int id) +{ + return HL_TABLE()[id].sg_link; +} + + void +init_highlight( + int both, // include groups where 'bg' doesn't matter + int reset) // clear group first +{ + int i; + char **pp; + static int had_both = FALSE; +#ifdef FEAT_EVAL + char_u *p; + + /* + * Try finding the color scheme file. Used when a color file was loaded + * and 'background' or 't_Co' is changed. + */ + p = get_var_value((char_u *)"g:colors_name"); + if (p != NULL) + { + // The value of g:colors_name could be freed when sourcing the script, + // making "p" invalid, so copy it. + char_u *copy_p = vim_strsave(p); + int r; + + if (copy_p != NULL) + { + r = load_colors(copy_p); + vim_free(copy_p); + if (r == OK) + return; + } + } + +#endif + + /* + * Didn't use a color file, use the compiled-in colors. + */ + if (both) + { + had_both = TRUE; + pp = highlight_init_both; + for (i = 0; pp[i] != NULL; ++i) + do_highlight((char_u *)pp[i], reset, TRUE); + } + else if (!had_both) + // Don't do anything before the call with both == TRUE from main(). + // Not everything has been setup then, and that call will overrule + // everything anyway. + return; + + if (*p_bg == 'l') + pp = highlight_init_light; + else + pp = highlight_init_dark; + for (i = 0; pp[i] != NULL; ++i) + do_highlight((char_u *)pp[i], reset, TRUE); + + // Reverse looks ugly, but grey may not work for 8 colors. Thus let it + // depend on the number of colors available. + // With 8 colors brown is equal to yellow, need to use black for Search fg + // to avoid Statement highlighted text disappears. + // Clear the attributes, needed when changing the t_Co value. + if (t_colors > 8) + do_highlight((char_u *)(*p_bg == 'l' + ? "Visual cterm=NONE ctermbg=LightGrey" + : "Visual cterm=NONE ctermbg=DarkGrey"), FALSE, TRUE); + else + { + do_highlight((char_u *)"Visual cterm=reverse ctermbg=NONE", + FALSE, TRUE); + if (*p_bg == 'l') + do_highlight((char_u *)"Search ctermfg=black", FALSE, TRUE); + } + +#ifdef FEAT_SYN_HL + /* + * If syntax highlighting is enabled load the highlighting for it. + */ + if (get_var_value((char_u *)"g:syntax_on") != NULL) + { + static int recursive = 0; + + if (recursive >= 5) + emsg(_("E679: recursive loop loading syncolor.vim")); + else + { + ++recursive; + (void)source_runtime((char_u *)"syntax/syncolor.vim", DIP_ALL); + --recursive; + } + } +#endif +} + +/* + * Load color file "name". + * Return OK for success, FAIL for failure. + */ + int +load_colors(char_u *name) +{ + char_u *buf; + int retval = FAIL; + static int recursive = FALSE; + + // When being called recursively, this is probably because setting + // 'background' caused the highlighting to be reloaded. This means it is + // working, thus we should return OK. + if (recursive) + return OK; + + recursive = TRUE; + buf = alloc(STRLEN(name) + 12); + if (buf != NULL) + { + apply_autocmds(EVENT_COLORSCHEMEPRE, name, + curbuf->b_fname, FALSE, curbuf); + sprintf((char *)buf, "colors/%s.vim", name); + retval = source_runtime(buf, DIP_START + DIP_OPT); + vim_free(buf); + apply_autocmds(EVENT_COLORSCHEME, name, curbuf->b_fname, FALSE, curbuf); + } + recursive = FALSE; + + return retval; +} + +static char *(color_names[28]) = { + "Black", "DarkBlue", "DarkGreen", "DarkCyan", + "DarkRed", "DarkMagenta", "Brown", "DarkYellow", + "Gray", "Grey", "LightGray", "LightGrey", + "DarkGray", "DarkGrey", + "Blue", "LightBlue", "Green", "LightGreen", + "Cyan", "LightCyan", "Red", "LightRed", "Magenta", + "LightMagenta", "Yellow", "LightYellow", "White", "NONE"}; + // indices: + // 0, 1, 2, 3, + // 4, 5, 6, 7, + // 8, 9, 10, 11, + // 12, 13, + // 14, 15, 16, 17, + // 18, 19, 20, 21, 22, + // 23, 24, 25, 26, 27 +static int color_numbers_16[28] = {0, 1, 2, 3, + 4, 5, 6, 6, + 7, 7, 7, 7, + 8, 8, + 9, 9, 10, 10, + 11, 11, 12, 12, 13, + 13, 14, 14, 15, -1}; +// for xterm with 88 colors... +static int color_numbers_88[28] = {0, 4, 2, 6, + 1, 5, 32, 72, + 84, 84, 7, 7, + 82, 82, + 12, 43, 10, 61, + 14, 63, 9, 74, 13, + 75, 11, 78, 15, -1}; +// for xterm with 256 colors... +static int color_numbers_256[28] = {0, 4, 2, 6, + 1, 5, 130, 3, + 248, 248, 7, 7, + 242, 242, + 12, 81, 10, 121, + 14, 159, 9, 224, 13, + 225, 11, 229, 15, -1}; +// for terminals with less than 16 colors... +static int color_numbers_8[28] = {0, 4, 2, 6, + 1, 5, 3, 3, + 7, 7, 7, 7, + 0+8, 0+8, + 4+8, 4+8, 2+8, 2+8, + 6+8, 6+8, 1+8, 1+8, 5+8, + 5+8, 3+8, 3+8, 7+8, -1}; + +/* + * Lookup the "cterm" value to be used for color with index "idx" in + * color_names[]. + * "boldp" will be set to TRUE or FALSE for a foreground color when using 8 + * colors, otherwise it will be unchanged. + */ + int +lookup_color(int idx, int foreground, int *boldp) +{ + int color = color_numbers_16[idx]; + char_u *p; + + // Use the _16 table to check if it's a valid color name. + if (color < 0) + return -1; + + if (t_colors == 8) + { + // t_Co is 8: use the 8 colors table +#if defined(__QNXNTO__) + // On qnx, the 8 & 16 color arrays are the same + if (STRNCMP(T_NAME, "qansi", 5) == 0) + color = color_numbers_16[idx]; + else +#endif + color = color_numbers_8[idx]; + if (foreground) + { + // set/reset bold attribute to get light foreground + // colors (on some terminals, e.g. "linux") + if (color & 8) + *boldp = TRUE; + else + *boldp = FALSE; + } + color &= 7; // truncate to 8 colors + } + else if (t_colors == 16 || t_colors == 88 + || t_colors >= 256) + { + /* + * Guess: if the termcap entry ends in 'm', it is + * probably an xterm-like terminal. Use the changed + * order for colors. + */ + if (*T_CAF != NUL) + p = T_CAF; + else + p = T_CSF; + if (*p != NUL && (t_colors > 256 + || *(p + STRLEN(p) - 1) == 'm')) + { + if (t_colors == 88) + color = color_numbers_88[idx]; + else if (t_colors >= 256) + color = color_numbers_256[idx]; + else + color = color_numbers_8[idx]; + } +#ifdef FEAT_TERMRESPONSE + if (t_colors >= 256 && color == 15 && is_mac_terminal) + // Terminal.app has a bug: 15 is light grey. Use white + // from the color cube instead. + color = 231; +#endif + } + return color; +} + +/* + * Handle the ":highlight .." command. + * When using ":hi clear" this is called recursively for each group with + * "forceit" and "init" both TRUE. + */ + void +do_highlight( + char_u *line, + int forceit, + int init) // TRUE when called for initializing +{ + char_u *name_end; + char_u *p; + char_u *linep; + char_u *key_start; + char_u *arg_start; + char_u *key = NULL, *arg = NULL; + long i; + int off; + int len; + int attr; + int id; + int idx; + hl_group_T item_before; + int did_change = FALSE; + int dodefault = FALSE; + int doclear = FALSE; + int dolink = FALSE; + int error = FALSE; + int color; + int is_normal_group = FALSE; // "Normal" group +#ifdef FEAT_TERMINAL + int is_terminal_group = FALSE; // "Terminal" group +#endif +#ifdef FEAT_GUI_X11 + int is_menu_group = FALSE; // "Menu" group + int is_scrollbar_group = FALSE; // "Scrollbar" group + int is_tooltip_group = FALSE; // "Tooltip" group + int do_colors = FALSE; // need to update colors? +#else +# define is_menu_group 0 +# define is_tooltip_group 0 +#endif +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + int did_highlight_changed = FALSE; +#endif + + /* + * If no argument, list current highlighting. + */ + if (!init && ends_excmd2(line - 1, line)) + { + for (i = 1; i <= highlight_ga.ga_len && !got_int; ++i) + // TODO: only call when the group has attributes set + highlight_list_one((int)i); + return; + } + + /* + * Isolate the name. + */ + name_end = skiptowhite(line); + linep = skipwhite(name_end); + + /* + * Check for "default" argument. + */ + if (STRNCMP(line, "default", name_end - line) == 0) + { + dodefault = TRUE; + line = linep; + name_end = skiptowhite(line); + linep = skipwhite(name_end); + } + + /* + * Check for "clear" or "link" argument. + */ + if (STRNCMP(line, "clear", name_end - line) == 0) + doclear = TRUE; + if (STRNCMP(line, "link", name_end - line) == 0) + dolink = TRUE; + + /* + * ":highlight {group-name}": list highlighting for one group. + */ + if (!doclear && !dolink && ends_excmd2(line, linep)) + { + id = syn_namen2id(line, (int)(name_end - line)); + if (id == 0) + semsg(_("E411: highlight group not found: %s"), line); + else + highlight_list_one(id); + return; + } + + /* + * Handle ":highlight link {from} {to}" command. + */ + if (dolink) + { + char_u *from_start = linep; + char_u *from_end; + char_u *to_start; + char_u *to_end; + int from_id; + int to_id; + hl_group_T *hlgroup = NULL; + + from_end = skiptowhite(from_start); + to_start = skipwhite(from_end); + to_end = skiptowhite(to_start); + + if (ends_excmd2(line, from_start) || ends_excmd2(line, to_start)) + { + semsg(_("E412: Not enough arguments: \":highlight link %s\""), + from_start); + return; + } + + if (!ends_excmd2(line, skipwhite(to_end))) + { + semsg(_("E413: Too many arguments: \":highlight link %s\""), + from_start); + return; + } + + from_id = syn_check_group(from_start, (int)(from_end - from_start)); + if (STRNCMP(to_start, "NONE", 4) == 0) + to_id = 0; + else + to_id = syn_check_group(to_start, (int)(to_end - to_start)); + + if (from_id > 0) + { + hlgroup = &HL_TABLE()[from_id - 1]; + if (dodefault && (forceit || hlgroup->sg_deflink == 0)) + { + hlgroup->sg_deflink = to_id; +#ifdef FEAT_EVAL + hlgroup->sg_deflink_sctx = current_sctx; + hlgroup->sg_deflink_sctx.sc_lnum += SOURCING_LNUM; +#endif + } + } + + if (from_id > 0 && (!init || hlgroup->sg_set == 0)) + { + /* + * Don't allow a link when there already is some highlighting + * for the group, unless '!' is used + */ + if (to_id > 0 && !forceit && !init + && hl_has_settings(from_id - 1, dodefault)) + { + if (SOURCING_NAME == NULL && !dodefault) + emsg(_("E414: group has settings, highlight link ignored")); + } + else if (hlgroup->sg_link != to_id +#ifdef FEAT_EVAL + || hlgroup->sg_script_ctx.sc_sid != current_sctx.sc_sid +#endif + || hlgroup->sg_cleared) + { + if (!init) + hlgroup->sg_set |= SG_LINK; + hlgroup->sg_link = to_id; +#ifdef FEAT_EVAL + hlgroup->sg_script_ctx = current_sctx; + hlgroup->sg_script_ctx.sc_lnum += SOURCING_LNUM; +#endif + hlgroup->sg_cleared = FALSE; + redraw_all_later(SOME_VALID); + + // Only call highlight_changed() once after multiple changes. + need_highlight_changed = TRUE; + } + } + + return; + } + + if (doclear) + { + /* + * ":highlight clear [group]" command. + */ + if (ends_excmd2(line, linep)) + { +#ifdef FEAT_GUI + // First, we do not destroy the old values, but allocate the new + // ones and update the display. THEN we destroy the old values. + // If we destroy the old values first, then the old values + // (such as GuiFont's or GuiFontset's) will still be displayed but + // invalid because they were free'd. + if (gui.in_use) + { +# ifdef FEAT_BEVAL_TIP + gui_init_tooltip_font(); +# endif +# if defined(FEAT_MENU) && (defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MOTIF)) + gui_init_menu_font(); +# endif + } +# if defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_X11) + gui_mch_def_colors(); +# endif +# ifdef FEAT_GUI_X11 +# ifdef FEAT_MENU + + // This only needs to be done when there is no Menu highlight + // group defined by default, which IS currently the case. + gui_mch_new_menu_colors(); +# endif + if (gui.in_use) + { + gui_new_scrollbar_colors(); +# ifdef FEAT_BEVAL_GUI + gui_mch_new_tooltip_colors(); +# endif +# ifdef FEAT_MENU + gui_mch_new_menu_font(); +# endif + } +# endif + + // Ok, we're done allocating the new default graphics items. + // The screen should already be refreshed at this point. + // It is now Ok to clear out the old data. +#endif +#ifdef FEAT_EVAL + do_unlet((char_u *)"g:colors_name", TRUE); +#endif + restore_cterm_colors(); + + /* + * Clear all default highlight groups and load the defaults. + */ + for (idx = 0; idx < highlight_ga.ga_len; ++idx) + highlight_clear(idx); + init_highlight(TRUE, TRUE); +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + if (USE_24BIT) + highlight_gui_started(); + else +#endif + highlight_changed(); + redraw_later_clear(); + return; + } + line = linep; + name_end = skiptowhite(line); + linep = skipwhite(name_end); + } + + /* + * Find the group name in the table. If it does not exist yet, add it. + */ + id = syn_check_group(line, (int)(name_end - line)); + if (id == 0) // failed (out of memory) + return; + idx = id - 1; // index is ID minus one + + // Return if "default" was used and the group already has settings. + if (dodefault && hl_has_settings(idx, TRUE)) + return; + + // Make a copy so we can check if any attribute actually changed. + item_before = HL_TABLE()[idx]; + + if (STRCMP(HL_TABLE()[idx].sg_name_u, "NORMAL") == 0) + is_normal_group = TRUE; +#ifdef FEAT_TERMINAL + else if (STRCMP(HL_TABLE()[idx].sg_name_u, "TERMINAL") == 0) + is_terminal_group = TRUE; +#endif +#ifdef FEAT_GUI_X11 + else if (STRCMP(HL_TABLE()[idx].sg_name_u, "MENU") == 0) + is_menu_group = TRUE; + else if (STRCMP(HL_TABLE()[idx].sg_name_u, "SCROLLBAR") == 0) + is_scrollbar_group = TRUE; + else if (STRCMP(HL_TABLE()[idx].sg_name_u, "TOOLTIP") == 0) + is_tooltip_group = TRUE; +#endif + + // Clear the highlighting for ":hi clear {group}" and ":hi clear". + if (doclear || (forceit && init)) + { + highlight_clear(idx); + if (!doclear) + HL_TABLE()[idx].sg_set = 0; + } + + if (!doclear) + while (!ends_excmd2(line, linep)) + { + key_start = linep; + if (*linep == '=') + { + semsg(_("E415: unexpected equal sign: %s"), key_start); + error = TRUE; + break; + } + + /* + * Isolate the key ("term", "ctermfg", "ctermbg", "font", "guifg" or + * "guibg"). + */ + while (*linep && !VIM_ISWHITE(*linep) && *linep != '=') + ++linep; + vim_free(key); + key = vim_strnsave_up(key_start, linep - key_start); + if (key == NULL) + { + error = TRUE; + break; + } + linep = skipwhite(linep); + + if (STRCMP(key, "NONE") == 0) + { + if (!init || HL_TABLE()[idx].sg_set == 0) + { + if (!init) + HL_TABLE()[idx].sg_set |= SG_TERM+SG_CTERM+SG_GUI; + highlight_clear(idx); + } + continue; + } + + /* + * Check for the equal sign. + */ + if (*linep != '=') + { + semsg(_("E416: missing equal sign: %s"), key_start); + error = TRUE; + break; + } + ++linep; + + /* + * Isolate the argument. + */ + linep = skipwhite(linep); + if (*linep == '\'') // guifg='color name' + { + arg_start = ++linep; + linep = vim_strchr(linep, '\''); + if (linep == NULL) + { + semsg(_(e_invarg2), key_start); + error = TRUE; + break; + } + } + else + { + arg_start = linep; + linep = skiptowhite(linep); + } + if (linep == arg_start) + { + semsg(_("E417: missing argument: %s"), key_start); + error = TRUE; + break; + } + vim_free(arg); + arg = vim_strnsave(arg_start, linep - arg_start); + if (arg == NULL) + { + error = TRUE; + break; + } + if (*linep == '\'') + ++linep; + + /* + * Store the argument. + */ + if ( STRCMP(key, "TERM") == 0 + || STRCMP(key, "CTERM") == 0 + || STRCMP(key, "GUI") == 0) + { + attr = 0; + off = 0; + while (arg[off] != NUL) + { + for (i = sizeof(hl_attr_table) / sizeof(int); --i >= 0; ) + { + len = (int)STRLEN(hl_name_table[i]); + if (STRNICMP(arg + off, hl_name_table[i], len) == 0) + { + attr |= hl_attr_table[i]; + off += len; + break; + } + } + if (i < 0) + { + semsg(_("E418: Illegal value: %s"), arg); + error = TRUE; + break; + } + if (arg[off] == ',') // another one follows + ++off; + } + if (error) + break; + if (*key == 'T') + { + if (!init || !(HL_TABLE()[idx].sg_set & SG_TERM)) + { + if (!init) + HL_TABLE()[idx].sg_set |= SG_TERM; + HL_TABLE()[idx].sg_term = attr; + } + } + else if (*key == 'C') + { + if (!init || !(HL_TABLE()[idx].sg_set & SG_CTERM)) + { + if (!init) + HL_TABLE()[idx].sg_set |= SG_CTERM; + HL_TABLE()[idx].sg_cterm = attr; + HL_TABLE()[idx].sg_cterm_bold = FALSE; + } + } +#if defined(FEAT_GUI) || defined(FEAT_EVAL) + else + { + if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) + { + if (!init) + HL_TABLE()[idx].sg_set |= SG_GUI; + HL_TABLE()[idx].sg_gui = attr; + } + } +#endif + } + else if (STRCMP(key, "FONT") == 0) + { + // in non-GUI fonts are simply ignored +#ifdef FEAT_GUI + if (HL_TABLE()[idx].sg_font_name != NULL + && STRCMP(HL_TABLE()[idx].sg_font_name, arg) == 0) + { + // Font name didn't change, ignore. + } + else if (!gui.shell_created) + { + // GUI not started yet, always accept the name. + vim_free(HL_TABLE()[idx].sg_font_name); + HL_TABLE()[idx].sg_font_name = vim_strsave(arg); + did_change = TRUE; + } + else + { + GuiFont temp_sg_font = HL_TABLE()[idx].sg_font; +# ifdef FEAT_XFONTSET + GuiFontset temp_sg_fontset = HL_TABLE()[idx].sg_fontset; +# endif + // First, save the current font/fontset. + // Then try to allocate the font/fontset. + // If the allocation fails, HL_TABLE()[idx].sg_font OR + // sg_fontset will be set to NOFONT or NOFONTSET respectively. + + HL_TABLE()[idx].sg_font = NOFONT; +# ifdef FEAT_XFONTSET + HL_TABLE()[idx].sg_fontset = NOFONTSET; +# endif + hl_do_font(idx, arg, is_normal_group, is_menu_group, + is_tooltip_group, FALSE); + +# ifdef FEAT_XFONTSET + if (HL_TABLE()[idx].sg_fontset != NOFONTSET) + { + // New fontset was accepted. Free the old one, if there + // was one. + gui_mch_free_fontset(temp_sg_fontset); + vim_free(HL_TABLE()[idx].sg_font_name); + HL_TABLE()[idx].sg_font_name = vim_strsave(arg); + did_change = TRUE; + } + else + HL_TABLE()[idx].sg_fontset = temp_sg_fontset; +# endif + if (HL_TABLE()[idx].sg_font != NOFONT) + { + // New font was accepted. Free the old one, if there was + // one. + gui_mch_free_font(temp_sg_font); + vim_free(HL_TABLE()[idx].sg_font_name); + HL_TABLE()[idx].sg_font_name = vim_strsave(arg); + did_change = TRUE; + } + else + HL_TABLE()[idx].sg_font = temp_sg_font; + } +#endif + } + else if (STRCMP(key, "CTERMFG") == 0 || STRCMP(key, "CTERMBG") == 0 + || STRCMP(key, "CTERMUL") == 0) + { + if (!init || !(HL_TABLE()[idx].sg_set & SG_CTERM)) + { + if (!init) + HL_TABLE()[idx].sg_set |= SG_CTERM; + + // When setting the foreground color, and previously the "bold" + // flag was set for a light color, reset it now + if (key[5] == 'F' && HL_TABLE()[idx].sg_cterm_bold) + { + HL_TABLE()[idx].sg_cterm &= ~HL_BOLD; + HL_TABLE()[idx].sg_cterm_bold = FALSE; + } + + if (VIM_ISDIGIT(*arg)) + color = atoi((char *)arg); + else if (STRICMP(arg, "fg") == 0) + { + if (cterm_normal_fg_color) + color = cterm_normal_fg_color - 1; + else + { + emsg(_("E419: FG color unknown")); + error = TRUE; + break; + } + } + else if (STRICMP(arg, "bg") == 0) + { + if (cterm_normal_bg_color > 0) + color = cterm_normal_bg_color - 1; + else + { + emsg(_("E420: BG color unknown")); + error = TRUE; + break; + } + } + else if (STRICMP(arg, "ul") == 0) + { + if (cterm_normal_ul_color > 0) + color = cterm_normal_ul_color - 1; + else + { + emsg(_("E453: UL color unknown")); + error = TRUE; + break; + } + } + else + { + int bold = MAYBE; + + // reduce calls to STRICMP a bit, it can be slow + off = TOUPPER_ASC(*arg); + for (i = (sizeof(color_names) / sizeof(char *)); --i >= 0; ) + if (off == color_names[i][0] + && STRICMP(arg + 1, color_names[i] + 1) == 0) + break; + if (i < 0) + { + semsg(_("E421: Color name or number not recognized: %s"), key_start); + error = TRUE; + break; + } + + color = lookup_color(i, key[5] == 'F', &bold); + + // set/reset bold attribute to get light foreground + // colors (on some terminals, e.g. "linux") + if (bold == TRUE) + { + HL_TABLE()[idx].sg_cterm |= HL_BOLD; + HL_TABLE()[idx].sg_cterm_bold = TRUE; + } + else if (bold == FALSE) + HL_TABLE()[idx].sg_cterm &= ~HL_BOLD; + } + + // Add one to the argument, to avoid zero. Zero is used for + // "NONE", then "color" is -1. + if (key[5] == 'F') + { + HL_TABLE()[idx].sg_cterm_fg = color + 1; + if (is_normal_group) + { + cterm_normal_fg_color = color + 1; + cterm_normal_fg_bold = (HL_TABLE()[idx].sg_cterm & HL_BOLD); +#ifdef FEAT_GUI + // Don't do this if the GUI is used. + if (!gui.in_use && !gui.starting) +#endif + { + must_redraw = CLEAR; + if (termcap_active && color >= 0) + term_fg_color(color); + } + } + } + else if (key[5] == 'B') + { + HL_TABLE()[idx].sg_cterm_bg = color + 1; + if (is_normal_group) + { + cterm_normal_bg_color = color + 1; +#ifdef FEAT_GUI + // Don't mess with 'background' if the GUI is used. + if (!gui.in_use && !gui.starting) +#endif + { + must_redraw = CLEAR; + if (color >= 0) + { + int dark = -1; + + if (termcap_active) + term_bg_color(color); + if (t_colors < 16) + dark = (color == 0 || color == 4); + // Limit the heuristic to the standard 16 colors + else if (color < 16) + dark = (color < 7 || color == 8); + // Set the 'background' option if the value is + // wrong. + if (dark != -1 + && dark != (*p_bg == 'd') + && !option_was_set((char_u *)"bg")) + { + set_option_value((char_u *)"bg", 0L, + (char_u *)(dark ? "dark" : "light"), 0); + reset_option_was_set((char_u *)"bg"); + } + } + } + } + } + else // ctermul + { + HL_TABLE()[idx].sg_cterm_ul = color + 1; + if (is_normal_group) + { + cterm_normal_ul_color = color + 1; +#ifdef FEAT_GUI + // Don't do this if the GUI is used. + if (!gui.in_use && !gui.starting) +#endif + { + must_redraw = CLEAR; + if (termcap_active && color >= 0) + term_ul_color(color); + } + } + } + } + } + else if (STRCMP(key, "GUIFG") == 0) + { +#if defined(FEAT_GUI) || defined(FEAT_EVAL) + char_u **namep = &HL_TABLE()[idx].sg_gui_fg_name; + + if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) + { + if (!init) + HL_TABLE()[idx].sg_set |= SG_GUI; + +# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + // In GUI guifg colors are only used when recognized + i = color_name2handle(arg); + if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT) + { + HL_TABLE()[idx].sg_gui_fg = i; +# endif + if (*namep == NULL || STRCMP(*namep, arg) != 0) + { + vim_free(*namep); + if (STRCMP(arg, "NONE") != 0) + *namep = vim_strsave(arg); + else + *namep = NULL; + did_change = TRUE; + } +# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) +# ifdef FEAT_GUI_X11 + if (is_menu_group && gui.menu_fg_pixel != i) + { + gui.menu_fg_pixel = i; + do_colors = TRUE; + } + if (is_scrollbar_group && gui.scroll_fg_pixel != i) + { + gui.scroll_fg_pixel = i; + do_colors = TRUE; + } +# ifdef FEAT_BEVAL_GUI + if (is_tooltip_group && gui.tooltip_fg_pixel != i) + { + gui.tooltip_fg_pixel = i; + do_colors = TRUE; + } +# endif +# endif + } +# endif + } +#endif + } + else if (STRCMP(key, "GUIBG") == 0) + { +#if defined(FEAT_GUI) || defined(FEAT_EVAL) + char_u **namep = &HL_TABLE()[idx].sg_gui_bg_name; + + if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) + { + if (!init) + HL_TABLE()[idx].sg_set |= SG_GUI; + +# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + // In GUI guifg colors are only used when recognized + i = color_name2handle(arg); + if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT) + { + HL_TABLE()[idx].sg_gui_bg = i; +# endif + if (*namep == NULL || STRCMP(*namep, arg) != 0) + { + vim_free(*namep); + if (STRCMP(arg, "NONE") != 0) + *namep = vim_strsave(arg); + else + *namep = NULL; + did_change = TRUE; + } +# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) +# ifdef FEAT_GUI_X11 + if (is_menu_group && gui.menu_bg_pixel != i) + { + gui.menu_bg_pixel = i; + do_colors = TRUE; + } + if (is_scrollbar_group && gui.scroll_bg_pixel != i) + { + gui.scroll_bg_pixel = i; + do_colors = TRUE; + } +# ifdef FEAT_BEVAL_GUI + if (is_tooltip_group && gui.tooltip_bg_pixel != i) + { + gui.tooltip_bg_pixel = i; + do_colors = TRUE; + } +# endif +# endif + } +# endif + } +#endif + } + else if (STRCMP(key, "GUISP") == 0) + { +#if defined(FEAT_GUI) || defined(FEAT_EVAL) + char_u **namep = &HL_TABLE()[idx].sg_gui_sp_name; + + if (!init || !(HL_TABLE()[idx].sg_set & SG_GUI)) + { + if (!init) + HL_TABLE()[idx].sg_set |= SG_GUI; + +# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + // In GUI guisp colors are only used when recognized + i = color_name2handle(arg); + if (i != INVALCOLOR || STRCMP(arg, "NONE") == 0 || !USE_24BIT) + { + HL_TABLE()[idx].sg_gui_sp = i; +# endif + if (*namep == NULL || STRCMP(*namep, arg) != 0) + { + vim_free(*namep); + if (STRCMP(arg, "NONE") != 0) + *namep = vim_strsave(arg); + else + *namep = NULL; + did_change = TRUE; + } +# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + } +# endif + } +#endif + } + else if (STRCMP(key, "START") == 0 || STRCMP(key, "STOP") == 0) + { + char_u buf[100]; + char_u *tname; + + if (!init) + HL_TABLE()[idx].sg_set |= SG_TERM; + + /* + * The "start" and "stop" arguments can be a literal escape + * sequence, or a comma separated list of terminal codes. + */ + if (STRNCMP(arg, "t_", 2) == 0) + { + off = 0; + buf[0] = 0; + while (arg[off] != NUL) + { + // Isolate one termcap name + for (len = 0; arg[off + len] && + arg[off + len] != ','; ++len) + ; + tname = vim_strnsave(arg + off, len); + if (tname == NULL) // out of memory + { + error = TRUE; + break; + } + // lookup the escape sequence for the item + p = get_term_code(tname); + vim_free(tname); + if (p == NULL) // ignore non-existing things + p = (char_u *)""; + + // Append it to the already found stuff + if ((int)(STRLEN(buf) + STRLEN(p)) >= 99) + { + semsg(_("E422: terminal code too long: %s"), arg); + error = TRUE; + break; + } + STRCAT(buf, p); + + // Advance to the next item + off += len; + if (arg[off] == ',') // another one follows + ++off; + } + } + else + { + /* + * Copy characters from arg[] to buf[], translating <> codes. + */ + for (p = arg, off = 0; off < 100 - 6 && *p; ) + { + len = trans_special(&p, buf + off, FSK_SIMPLIFY, NULL); + if (len > 0) // recognized special char + off += len; + else // copy as normal char + buf[off++] = *p++; + } + buf[off] = NUL; + } + if (error) + break; + + if (STRCMP(buf, "NONE") == 0) // resetting the value + p = NULL; + else + p = vim_strsave(buf); + if (key[2] == 'A') + { + vim_free(HL_TABLE()[idx].sg_start); + HL_TABLE()[idx].sg_start = p; + } + else + { + vim_free(HL_TABLE()[idx].sg_stop); + HL_TABLE()[idx].sg_stop = p; + } + } + else + { + semsg(_("E423: Illegal argument: %s"), key_start); + error = TRUE; + break; + } + HL_TABLE()[idx].sg_cleared = FALSE; + + /* + * When highlighting has been given for a group, don't link it. + */ + if (!init || !(HL_TABLE()[idx].sg_set & SG_LINK)) + HL_TABLE()[idx].sg_link = 0; + + /* + * Continue with next argument. + */ + linep = skipwhite(linep); + } + + /* + * If there is an error, and it's a new entry, remove it from the table. + */ + if (error && idx == highlight_ga.ga_len) + syn_unadd_group(); + else + { + if (is_normal_group) + { + HL_TABLE()[idx].sg_term_attr = 0; + HL_TABLE()[idx].sg_cterm_attr = 0; +#ifdef FEAT_GUI + HL_TABLE()[idx].sg_gui_attr = 0; + /* + * Need to update all groups, because they might be using "bg" + * and/or "fg", which have been changed now. + */ +#endif +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + if (USE_24BIT) + { + highlight_gui_started(); + did_highlight_changed = TRUE; + redraw_all_later(NOT_VALID); + } +#endif +#ifdef FEAT_VTP + control_console_color_rgb(); +#endif + } +#ifdef FEAT_TERMINAL + else if (is_terminal_group) + set_terminal_default_colors( + HL_TABLE()[idx].sg_cterm_fg, HL_TABLE()[idx].sg_cterm_bg); +#endif +#ifdef FEAT_GUI_X11 +# ifdef FEAT_MENU + else if (is_menu_group) + { + if (gui.in_use && do_colors) + gui_mch_new_menu_colors(); + } +# endif + else if (is_scrollbar_group) + { + if (gui.in_use && do_colors) + gui_new_scrollbar_colors(); + else + set_hl_attr(idx); + } +# ifdef FEAT_BEVAL_GUI + else if (is_tooltip_group) + { + if (gui.in_use && do_colors) + gui_mch_new_tooltip_colors(); + } +# endif +#endif + else + set_hl_attr(idx); +#ifdef FEAT_EVAL + HL_TABLE()[idx].sg_script_ctx = current_sctx; + HL_TABLE()[idx].sg_script_ctx.sc_lnum += SOURCING_LNUM; +#endif + } + + vim_free(key); + vim_free(arg); + + // Only call highlight_changed() once, after a sequence of highlight + // commands, and only if an attribute actually changed. + if ((did_change + || memcmp(&HL_TABLE()[idx], &item_before, sizeof(item_before)) != 0) +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + && !did_highlight_changed +#endif + ) + { + // Do not trigger a redraw when highlighting is changed while + // redrawing. This may happen when evaluating 'statusline' changes the + // StatusLine group. + if (!updating_screen) + redraw_all_later(NOT_VALID); + need_highlight_changed = TRUE; + } +} + +#if defined(EXITFREE) || defined(PROTO) + void +free_highlight(void) +{ + int i; + + for (i = 0; i < highlight_ga.ga_len; ++i) + { + highlight_clear(i); + vim_free(HL_TABLE()[i].sg_name); + vim_free(HL_TABLE()[i].sg_name_u); + } + ga_clear(&highlight_ga); +} +#endif + +/* + * Reset the cterm colors to what they were before Vim was started, if + * possible. Otherwise reset them to zero. + */ + void +restore_cterm_colors(void) +{ +#if defined(MSWIN) && !defined(FEAT_GUI_MSWIN) + // Since t_me has been set, this probably means that the user + // wants to use this as default colors. Need to reset default + // background/foreground colors. + mch_set_normal_colors(); +#else +# ifdef VIMDLL + if (!gui.in_use) + { + mch_set_normal_colors(); + return; + } +# endif + cterm_normal_fg_color = 0; + cterm_normal_fg_bold = 0; + cterm_normal_bg_color = 0; +# ifdef FEAT_TERMGUICOLORS + cterm_normal_fg_gui_color = INVALCOLOR; + cterm_normal_bg_gui_color = INVALCOLOR; + cterm_normal_ul_gui_color = INVALCOLOR; +# endif +#endif +} + +/* + * Return TRUE if highlight group "idx" has any settings. + * When "check_link" is TRUE also check for an existing link. + */ + static int +hl_has_settings(int idx, int check_link) +{ + return HL_TABLE()[idx].sg_cleared == 0 + && ( HL_TABLE()[idx].sg_term_attr != 0 + || HL_TABLE()[idx].sg_cterm_attr != 0 + || HL_TABLE()[idx].sg_cterm_fg != 0 + || HL_TABLE()[idx].sg_cterm_bg != 0 +#ifdef FEAT_GUI + || HL_TABLE()[idx].sg_gui_attr != 0 + || HL_TABLE()[idx].sg_gui_fg_name != NULL + || HL_TABLE()[idx].sg_gui_bg_name != NULL + || HL_TABLE()[idx].sg_gui_sp_name != NULL + || HL_TABLE()[idx].sg_font_name != NULL +#endif + || (check_link && (HL_TABLE()[idx].sg_set & SG_LINK))); +} + +/* + * Clear highlighting for one group. + */ + static void +highlight_clear(int idx) +{ + HL_TABLE()[idx].sg_cleared = TRUE; + + HL_TABLE()[idx].sg_term = 0; + VIM_CLEAR(HL_TABLE()[idx].sg_start); + VIM_CLEAR(HL_TABLE()[idx].sg_stop); + HL_TABLE()[idx].sg_term_attr = 0; + HL_TABLE()[idx].sg_cterm = 0; + HL_TABLE()[idx].sg_cterm_bold = FALSE; + HL_TABLE()[idx].sg_cterm_fg = 0; + HL_TABLE()[idx].sg_cterm_bg = 0; + HL_TABLE()[idx].sg_cterm_attr = 0; +#if defined(FEAT_GUI) || defined(FEAT_EVAL) + HL_TABLE()[idx].sg_gui = 0; + VIM_CLEAR(HL_TABLE()[idx].sg_gui_fg_name); + VIM_CLEAR(HL_TABLE()[idx].sg_gui_bg_name); + VIM_CLEAR(HL_TABLE()[idx].sg_gui_sp_name); +#endif +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + HL_TABLE()[idx].sg_gui_fg = INVALCOLOR; + HL_TABLE()[idx].sg_gui_bg = INVALCOLOR; + HL_TABLE()[idx].sg_gui_sp = INVALCOLOR; +#endif +#ifdef FEAT_GUI + gui_mch_free_font(HL_TABLE()[idx].sg_font); + HL_TABLE()[idx].sg_font = NOFONT; +# ifdef FEAT_XFONTSET + gui_mch_free_fontset(HL_TABLE()[idx].sg_fontset); + HL_TABLE()[idx].sg_fontset = NOFONTSET; +# endif + VIM_CLEAR(HL_TABLE()[idx].sg_font_name); + HL_TABLE()[idx].sg_gui_attr = 0; +#endif + // Restore default link and context if they exist. Otherwise clears. + HL_TABLE()[idx].sg_link = HL_TABLE()[idx].sg_deflink; +#ifdef FEAT_EVAL + // Since we set the default link, set the location to where the default + // link was set. + HL_TABLE()[idx].sg_script_ctx = HL_TABLE()[idx].sg_deflink_sctx; +#endif +} + +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO) +/* + * Set the normal foreground and background colors according to the "Normal" + * highlighting group. For X11 also set "Menu", "Scrollbar", and + * "Tooltip" colors. + */ + void +set_normal_colors(void) +{ +# ifdef FEAT_GUI +# ifdef FEAT_TERMGUICOLORS + if (gui.in_use) +# endif + { + if (set_group_colors((char_u *)"Normal", + &gui.norm_pixel, &gui.back_pixel, + FALSE, TRUE, FALSE)) + { + gui_mch_new_colors(); + must_redraw = CLEAR; + } +# ifdef FEAT_GUI_X11 + if (set_group_colors((char_u *)"Menu", + &gui.menu_fg_pixel, &gui.menu_bg_pixel, + TRUE, FALSE, FALSE)) + { +# ifdef FEAT_MENU + gui_mch_new_menu_colors(); +# endif + must_redraw = CLEAR; + } +# ifdef FEAT_BEVAL_GUI + if (set_group_colors((char_u *)"Tooltip", + &gui.tooltip_fg_pixel, &gui.tooltip_bg_pixel, + FALSE, FALSE, TRUE)) + { +# ifdef FEAT_TOOLBAR + gui_mch_new_tooltip_colors(); +# endif + must_redraw = CLEAR; + } +# endif + if (set_group_colors((char_u *)"Scrollbar", + &gui.scroll_fg_pixel, &gui.scroll_bg_pixel, + FALSE, FALSE, FALSE)) + { + gui_new_scrollbar_colors(); + must_redraw = CLEAR; + } +# endif + } +# endif +# ifdef FEAT_TERMGUICOLORS +# ifdef FEAT_GUI + else +# endif + { + int idx; + + idx = syn_name2id((char_u *)"Normal") - 1; + if (idx >= 0) + { + gui_do_one_color(idx, FALSE, FALSE); + + // If the normal fg or bg color changed a complete redraw is + // required. + if (cterm_normal_fg_gui_color != HL_TABLE()[idx].sg_gui_fg + || cterm_normal_bg_gui_color != HL_TABLE()[idx].sg_gui_bg) + { + // if the GUI color is INVALCOLOR then we use the default cterm + // color + cterm_normal_fg_gui_color = HL_TABLE()[idx].sg_gui_fg; + cterm_normal_bg_gui_color = HL_TABLE()[idx].sg_gui_bg; + must_redraw = CLEAR; + } + } + } +# endif +} +#endif + +#if defined(FEAT_GUI) || defined(PROTO) +/* + * Set the colors for "Normal", "Menu", "Tooltip" or "Scrollbar". + */ + static int +set_group_colors( + char_u *name, + guicolor_T *fgp, + guicolor_T *bgp, + int do_menu, + int use_norm, + int do_tooltip) +{ + int idx; + + idx = syn_name2id(name) - 1; + if (idx >= 0) + { + gui_do_one_color(idx, do_menu, do_tooltip); + + if (HL_TABLE()[idx].sg_gui_fg != INVALCOLOR) + *fgp = HL_TABLE()[idx].sg_gui_fg; + else if (use_norm) + *fgp = gui.def_norm_pixel; + if (HL_TABLE()[idx].sg_gui_bg != INVALCOLOR) + *bgp = HL_TABLE()[idx].sg_gui_bg; + else if (use_norm) + *bgp = gui.def_back_pixel; + return TRUE; + } + return FALSE; +} + +/* + * Get the font of the "Normal" group. + * Returns "" when it's not found or not set. + */ + char_u * +hl_get_font_name(void) +{ + int id; + char_u *s; + + id = syn_name2id((char_u *)"Normal"); + if (id > 0) + { + s = HL_TABLE()[id - 1].sg_font_name; + if (s != NULL) + return s; + } + return (char_u *)""; +} + +/* + * Set font for "Normal" group. Called by gui_mch_init_font() when a font has + * actually chosen to be used. + */ + void +hl_set_font_name(char_u *font_name) +{ + int id; + + id = syn_name2id((char_u *)"Normal"); + if (id > 0) + { + vim_free(HL_TABLE()[id - 1].sg_font_name); + HL_TABLE()[id - 1].sg_font_name = vim_strsave(font_name); + } +} + +/* + * Set background color for "Normal" group. Called by gui_set_bg_color() + * when the color is known. + */ + void +hl_set_bg_color_name( + char_u *name) // must have been allocated +{ + int id; + + if (name != NULL) + { + id = syn_name2id((char_u *)"Normal"); + if (id > 0) + { + vim_free(HL_TABLE()[id - 1].sg_gui_bg_name); + HL_TABLE()[id - 1].sg_gui_bg_name = name; + } + } +} + +/* + * Set foreground color for "Normal" group. Called by gui_set_fg_color() + * when the color is known. + */ + void +hl_set_fg_color_name( + char_u *name) // must have been allocated +{ + int id; + + if (name != NULL) + { + id = syn_name2id((char_u *)"Normal"); + if (id > 0) + { + vim_free(HL_TABLE()[id - 1].sg_gui_fg_name); + HL_TABLE()[id - 1].sg_gui_fg_name = name; + } + } +} + +/* + * Return the handle for a font name. + * Returns NOFONT when failed. + */ + static GuiFont +font_name2handle(char_u *name) +{ + if (STRCMP(name, "NONE") == 0) + return NOFONT; + + return gui_mch_get_font(name, TRUE); +} + +# ifdef FEAT_XFONTSET +/* + * Return the handle for a fontset name. + * Returns NOFONTSET when failed. + */ + static GuiFontset +fontset_name2handle(char_u *name, int fixed_width) +{ + if (STRCMP(name, "NONE") == 0) + return NOFONTSET; + + return gui_mch_get_fontset(name, TRUE, fixed_width); +} +# endif + +/* + * Get the font or fontset for one highlight group. + */ + static void +hl_do_font( + int idx, + char_u *arg, + int do_normal, // set normal font + int do_menu UNUSED, // set menu font + int do_tooltip UNUSED, // set tooltip font + int free_font) // free current font/fontset +{ +# ifdef FEAT_XFONTSET + // If 'guifontset' is not empty, first try using the name as a + // fontset. If that doesn't work, use it as a font name. + if (*p_guifontset != NUL +# ifdef FONTSET_ALWAYS + || do_menu +# endif +# ifdef FEAT_BEVAL_TIP + // In Athena & Motif, the Tooltip highlight group is always a fontset + || do_tooltip +# endif + ) + { + if (free_font) + gui_mch_free_fontset(HL_TABLE()[idx].sg_fontset); + HL_TABLE()[idx].sg_fontset = fontset_name2handle(arg, 0 +# ifdef FONTSET_ALWAYS + || do_menu +# endif +# ifdef FEAT_BEVAL_TIP + || do_tooltip +# endif + ); + } + if (HL_TABLE()[idx].sg_fontset != NOFONTSET) + { + // If it worked and it's the Normal group, use it as the normal + // fontset. Same for the Menu group. + if (do_normal) + gui_init_font(arg, TRUE); +# if (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) && defined(FEAT_MENU) + if (do_menu) + { +# ifdef FONTSET_ALWAYS + gui.menu_fontset = HL_TABLE()[idx].sg_fontset; +# else + // YIKES! This is a bug waiting to crash the program + gui.menu_font = HL_TABLE()[idx].sg_fontset; +# endif + gui_mch_new_menu_font(); + } +# ifdef FEAT_BEVAL_GUI + if (do_tooltip) + { + // The Athena widget set cannot currently handle switching between + // displaying a single font and a fontset. + // If the XtNinternational resource is set to True at widget + // creation, then a fontset is always used, otherwise an + // XFontStruct is used. + gui.tooltip_fontset = (XFontSet)HL_TABLE()[idx].sg_fontset; + gui_mch_new_tooltip_font(); + } +# endif +# endif + } + else +# endif + { + if (free_font) + gui_mch_free_font(HL_TABLE()[idx].sg_font); + HL_TABLE()[idx].sg_font = font_name2handle(arg); + // If it worked and it's the Normal group, use it as the + // normal font. Same for the Menu group. + if (HL_TABLE()[idx].sg_font != NOFONT) + { + if (do_normal) + gui_init_font(arg, FALSE); +#ifndef FONTSET_ALWAYS +# if (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) && defined(FEAT_MENU) + if (do_menu) + { + gui.menu_font = HL_TABLE()[idx].sg_font; + gui_mch_new_menu_font(); + } +# endif +#endif + } + } +} + +#endif // FEAT_GUI + +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO) +/* + * Return the handle for a color name. + * Returns INVALCOLOR when failed. + */ + guicolor_T +color_name2handle(char_u *name) +{ + if (STRCMP(name, "NONE") == 0) + return INVALCOLOR; + + if (STRICMP(name, "fg") == 0 || STRICMP(name, "foreground") == 0) + { +#if defined(FEAT_TERMGUICOLORS) && defined(FEAT_GUI) + if (gui.in_use) +#endif +#ifdef FEAT_GUI + return gui.norm_pixel; +#endif +#ifdef FEAT_TERMGUICOLORS + if (cterm_normal_fg_gui_color != INVALCOLOR) + return cterm_normal_fg_gui_color; + // Guess that the foreground is black or white. + return GUI_GET_COLOR((char_u *)(*p_bg == 'l' ? "black" : "white")); +#endif + } + if (STRICMP(name, "bg") == 0 || STRICMP(name, "background") == 0) + { +#if defined(FEAT_TERMGUICOLORS) && defined(FEAT_GUI) + if (gui.in_use) +#endif +#ifdef FEAT_GUI + return gui.back_pixel; +#endif +#ifdef FEAT_TERMGUICOLORS + if (cterm_normal_bg_gui_color != INVALCOLOR) + return cterm_normal_bg_gui_color; + // Guess that the background is white or black. + return GUI_GET_COLOR((char_u *)(*p_bg == 'l' ? "white" : "black")); +#endif + } + + return GUI_GET_COLOR(name); +} +#endif + +/* + * Table with the specifications for an attribute number. + * Note that this table is used by ALL buffers. This is required because the + * GUI can redraw at any time for any buffer. + */ +static garray_T term_attr_table = {0, 0, 0, 0, NULL}; + +#define TERM_ATTR_ENTRY(idx) ((attrentry_T *)term_attr_table.ga_data)[idx] + +static garray_T cterm_attr_table = {0, 0, 0, 0, NULL}; + +#define CTERM_ATTR_ENTRY(idx) ((attrentry_T *)cterm_attr_table.ga_data)[idx] + +#ifdef FEAT_GUI +static garray_T gui_attr_table = {0, 0, 0, 0, NULL}; + +#define GUI_ATTR_ENTRY(idx) ((attrentry_T *)gui_attr_table.ga_data)[idx] +#endif + +/* + * Return the attr number for a set of colors and font. + * Add a new entry to the term_attr_table, cterm_attr_table or gui_attr_table + * if the combination is new. + * Return 0 for error (no more room). + */ + static int +get_attr_entry(garray_T *table, attrentry_T *aep) +{ + int i; + attrentry_T *taep; + static int recursive = FALSE; + + /* + * Init the table, in case it wasn't done yet. + */ + table->ga_itemsize = sizeof(attrentry_T); + table->ga_growsize = 7; + + /* + * Try to find an entry with the same specifications. + */ + for (i = 0; i < table->ga_len; ++i) + { + taep = &(((attrentry_T *)table->ga_data)[i]); + if ( aep->ae_attr == taep->ae_attr + && ( +#ifdef FEAT_GUI + (table == &gui_attr_table + && (aep->ae_u.gui.fg_color == taep->ae_u.gui.fg_color + && aep->ae_u.gui.bg_color + == taep->ae_u.gui.bg_color + && aep->ae_u.gui.sp_color + == taep->ae_u.gui.sp_color + && aep->ae_u.gui.font == taep->ae_u.gui.font +# ifdef FEAT_XFONTSET + && aep->ae_u.gui.fontset == taep->ae_u.gui.fontset +# endif + )) + || +#endif + (table == &term_attr_table + && (aep->ae_u.term.start == NULL) + == (taep->ae_u.term.start == NULL) + && (aep->ae_u.term.start == NULL + || STRCMP(aep->ae_u.term.start, + taep->ae_u.term.start) == 0) + && (aep->ae_u.term.stop == NULL) + == (taep->ae_u.term.stop == NULL) + && (aep->ae_u.term.stop == NULL + || STRCMP(aep->ae_u.term.stop, + taep->ae_u.term.stop) == 0)) + || (table == &cterm_attr_table + && aep->ae_u.cterm.fg_color + == taep->ae_u.cterm.fg_color + && aep->ae_u.cterm.bg_color + == taep->ae_u.cterm.bg_color + && aep->ae_u.cterm.ul_color + == taep->ae_u.cterm.ul_color +#ifdef FEAT_TERMGUICOLORS + && aep->ae_u.cterm.fg_rgb + == taep->ae_u.cterm.fg_rgb + && aep->ae_u.cterm.bg_rgb + == taep->ae_u.cterm.bg_rgb + && aep->ae_u.cterm.ul_rgb + == taep->ae_u.cterm.ul_rgb +#endif + ))) + + return i + ATTR_OFF; + } + + if (table->ga_len + ATTR_OFF > MAX_TYPENR) + { + /* + * Running out of attribute entries! remove all attributes, and + * compute new ones for all groups. + * When called recursively, we are really out of numbers. + */ + if (recursive) + { + emsg(_("E424: Too many different highlighting attributes in use")); + return 0; + } + recursive = TRUE; + + clear_hl_tables(); + + must_redraw = CLEAR; + + for (i = 0; i < highlight_ga.ga_len; ++i) + set_hl_attr(i); + + recursive = FALSE; + } + + /* + * This is a new combination of colors and font, add an entry. + */ + if (ga_grow(table, 1) == FAIL) + return 0; + + taep = &(((attrentry_T *)table->ga_data)[table->ga_len]); + CLEAR_POINTER(taep); + taep->ae_attr = aep->ae_attr; +#ifdef FEAT_GUI + if (table == &gui_attr_table) + { + taep->ae_u.gui.fg_color = aep->ae_u.gui.fg_color; + taep->ae_u.gui.bg_color = aep->ae_u.gui.bg_color; + taep->ae_u.gui.sp_color = aep->ae_u.gui.sp_color; + taep->ae_u.gui.font = aep->ae_u.gui.font; +# ifdef FEAT_XFONTSET + taep->ae_u.gui.fontset = aep->ae_u.gui.fontset; +# endif + } +#endif + if (table == &term_attr_table) + { + if (aep->ae_u.term.start == NULL) + taep->ae_u.term.start = NULL; + else + taep->ae_u.term.start = vim_strsave(aep->ae_u.term.start); + if (aep->ae_u.term.stop == NULL) + taep->ae_u.term.stop = NULL; + else + taep->ae_u.term.stop = vim_strsave(aep->ae_u.term.stop); + } + else if (table == &cterm_attr_table) + { + taep->ae_u.cterm.fg_color = aep->ae_u.cterm.fg_color; + taep->ae_u.cterm.bg_color = aep->ae_u.cterm.bg_color; + taep->ae_u.cterm.ul_color = aep->ae_u.cterm.ul_color; +#ifdef FEAT_TERMGUICOLORS + taep->ae_u.cterm.fg_rgb = aep->ae_u.cterm.fg_rgb; + taep->ae_u.cterm.bg_rgb = aep->ae_u.cterm.bg_rgb; + taep->ae_u.cterm.ul_rgb = aep->ae_u.cterm.ul_rgb; +#endif + } + ++table->ga_len; + return (table->ga_len - 1 + ATTR_OFF); +} + +#if defined(FEAT_TERMINAL) || defined(PROTO) +/* + * Get an attribute index for a cterm entry. + * Uses an existing entry when possible or adds one when needed. + */ + int +get_cterm_attr_idx(int attr, int fg, int bg) +{ + attrentry_T at_en; + + CLEAR_FIELD(at_en); +#ifdef FEAT_TERMGUICOLORS + at_en.ae_u.cterm.fg_rgb = INVALCOLOR; + at_en.ae_u.cterm.bg_rgb = INVALCOLOR; + at_en.ae_u.cterm.ul_rgb = INVALCOLOR; +#endif + at_en.ae_attr = attr; + at_en.ae_u.cterm.fg_color = fg; + at_en.ae_u.cterm.bg_color = bg; + at_en.ae_u.cterm.ul_color = 0; + return get_attr_entry(&cterm_attr_table, &at_en); +} +#endif + +#if (defined(FEAT_TERMINAL) && defined(FEAT_TERMGUICOLORS)) || defined(PROTO) +/* + * Get an attribute index for a 'termguicolors' entry. + * Uses an existing entry when possible or adds one when needed. + */ + int +get_tgc_attr_idx(int attr, guicolor_T fg, guicolor_T bg) +{ + attrentry_T at_en; + + CLEAR_FIELD(at_en); + at_en.ae_attr = attr; + if (fg == INVALCOLOR && bg == INVALCOLOR) + { + // If both GUI colors are not set fall back to the cterm colors. Helps + // if the GUI only has an attribute, such as undercurl. + at_en.ae_u.cterm.fg_rgb = CTERMCOLOR; + at_en.ae_u.cterm.bg_rgb = CTERMCOLOR; + } + else + { + at_en.ae_u.cterm.fg_rgb = fg; + at_en.ae_u.cterm.bg_rgb = bg; + } + at_en.ae_u.cterm.ul_rgb = INVALCOLOR; + return get_attr_entry(&cterm_attr_table, &at_en); +} +#endif + +#if (defined(FEAT_TERMINAL) && defined(FEAT_GUI)) || defined(PROTO) +/* + * Get an attribute index for a cterm entry. + * Uses an existing entry when possible or adds one when needed. + */ + int +get_gui_attr_idx(int attr, guicolor_T fg, guicolor_T bg) +{ + attrentry_T at_en; + + CLEAR_FIELD(at_en); + at_en.ae_attr = attr; + at_en.ae_u.gui.fg_color = fg; + at_en.ae_u.gui.bg_color = bg; + return get_attr_entry(&gui_attr_table, &at_en); +} +#endif + +/* + * Clear all highlight tables. + */ + void +clear_hl_tables(void) +{ + int i; + attrentry_T *taep; + +#ifdef FEAT_GUI + ga_clear(&gui_attr_table); +#endif + for (i = 0; i < term_attr_table.ga_len; ++i) + { + taep = &(((attrentry_T *)term_attr_table.ga_data)[i]); + vim_free(taep->ae_u.term.start); + vim_free(taep->ae_u.term.stop); + } + ga_clear(&term_attr_table); + ga_clear(&cterm_attr_table); +} + +/* + * Combine special attributes (e.g., for spelling) with other attributes + * (e.g., for syntax highlighting). + * "prim_attr" overrules "char_attr". + * This creates a new group when required. + * Since we expect there to be few spelling mistakes we don't cache the + * result. + * Return the resulting attributes. + */ + int +hl_combine_attr(int char_attr, int prim_attr) +{ + attrentry_T *char_aep = NULL; + attrentry_T *spell_aep; + attrentry_T new_en; + + if (char_attr == 0) + return prim_attr; + if (char_attr <= HL_ALL && prim_attr <= HL_ALL) + return ATTR_COMBINE(char_attr, prim_attr); +#ifdef FEAT_GUI + if (gui.in_use) + { + if (char_attr > HL_ALL) + char_aep = syn_gui_attr2entry(char_attr); + if (char_aep != NULL) + new_en = *char_aep; + else + { + CLEAR_FIELD(new_en); + new_en.ae_u.gui.fg_color = INVALCOLOR; + new_en.ae_u.gui.bg_color = INVALCOLOR; + new_en.ae_u.gui.sp_color = INVALCOLOR; + if (char_attr <= HL_ALL) + new_en.ae_attr = char_attr; + } + + if (prim_attr <= HL_ALL) + new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_attr); + else + { + spell_aep = syn_gui_attr2entry(prim_attr); + if (spell_aep != NULL) + { + new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, + spell_aep->ae_attr); + if (spell_aep->ae_u.gui.fg_color != INVALCOLOR) + new_en.ae_u.gui.fg_color = spell_aep->ae_u.gui.fg_color; + if (spell_aep->ae_u.gui.bg_color != INVALCOLOR) + new_en.ae_u.gui.bg_color = spell_aep->ae_u.gui.bg_color; + if (spell_aep->ae_u.gui.sp_color != INVALCOLOR) + new_en.ae_u.gui.sp_color = spell_aep->ae_u.gui.sp_color; + if (spell_aep->ae_u.gui.font != NOFONT) + new_en.ae_u.gui.font = spell_aep->ae_u.gui.font; +# ifdef FEAT_XFONTSET + if (spell_aep->ae_u.gui.fontset != NOFONTSET) + new_en.ae_u.gui.fontset = spell_aep->ae_u.gui.fontset; +# endif + } + } + return get_attr_entry(&gui_attr_table, &new_en); + } +#endif + + if (IS_CTERM) + { + if (char_attr > HL_ALL) + char_aep = syn_cterm_attr2entry(char_attr); + if (char_aep != NULL) + new_en = *char_aep; + else + { + CLEAR_FIELD(new_en); +#ifdef FEAT_TERMGUICOLORS + new_en.ae_u.cterm.bg_rgb = INVALCOLOR; + new_en.ae_u.cterm.fg_rgb = INVALCOLOR; + new_en.ae_u.cterm.ul_rgb = INVALCOLOR; +#endif + if (char_attr <= HL_ALL) + new_en.ae_attr = char_attr; + } + + if (prim_attr <= HL_ALL) + new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_attr); + else + { + spell_aep = syn_cterm_attr2entry(prim_attr); + if (spell_aep != NULL) + { + new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, + spell_aep->ae_attr); + if (spell_aep->ae_u.cterm.fg_color > 0) + new_en.ae_u.cterm.fg_color = spell_aep->ae_u.cterm.fg_color; + if (spell_aep->ae_u.cterm.bg_color > 0) + new_en.ae_u.cterm.bg_color = spell_aep->ae_u.cterm.bg_color; + if (spell_aep->ae_u.cterm.ul_color > 0) + new_en.ae_u.cterm.ul_color = spell_aep->ae_u.cterm.ul_color; +#ifdef FEAT_TERMGUICOLORS + // If both fg and bg are not set fall back to cterm colors. + // Helps for SpellBad which uses undercurl in the GUI. + if (COLOR_INVALID(spell_aep->ae_u.cterm.fg_rgb) + && COLOR_INVALID(spell_aep->ae_u.cterm.bg_rgb)) + { + if (spell_aep->ae_u.cterm.fg_color > 0) + new_en.ae_u.cterm.fg_rgb = CTERMCOLOR; + if (spell_aep->ae_u.cterm.bg_color > 0) + new_en.ae_u.cterm.bg_rgb = CTERMCOLOR; + } + else + { + if (spell_aep->ae_u.cterm.fg_rgb != INVALCOLOR) + new_en.ae_u.cterm.fg_rgb = spell_aep->ae_u.cterm.fg_rgb; + if (spell_aep->ae_u.cterm.bg_rgb != INVALCOLOR) + new_en.ae_u.cterm.bg_rgb = spell_aep->ae_u.cterm.bg_rgb; + } + if (spell_aep->ae_u.cterm.ul_rgb != INVALCOLOR) + new_en.ae_u.cterm.ul_rgb = spell_aep->ae_u.cterm.ul_rgb; +#endif + } + } + return get_attr_entry(&cterm_attr_table, &new_en); + } + + if (char_attr > HL_ALL) + char_aep = syn_term_attr2entry(char_attr); + if (char_aep != NULL) + new_en = *char_aep; + else + { + CLEAR_FIELD(new_en); + if (char_attr <= HL_ALL) + new_en.ae_attr = char_attr; + } + + if (prim_attr <= HL_ALL) + new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, prim_attr); + else + { + spell_aep = syn_term_attr2entry(prim_attr); + if (spell_aep != NULL) + { + new_en.ae_attr = ATTR_COMBINE(new_en.ae_attr, spell_aep->ae_attr); + if (spell_aep->ae_u.term.start != NULL) + { + new_en.ae_u.term.start = spell_aep->ae_u.term.start; + new_en.ae_u.term.stop = spell_aep->ae_u.term.stop; + } + } + } + return get_attr_entry(&term_attr_table, &new_en); +} + +#ifdef FEAT_GUI + attrentry_T * +syn_gui_attr2entry(int attr) +{ + attr -= ATTR_OFF; + if (attr >= gui_attr_table.ga_len) // did ":syntax clear" + return NULL; + return &(GUI_ATTR_ENTRY(attr)); +} +#endif + +/* + * Get the highlight attributes (HL_BOLD etc.) from an attribute nr. + * Only to be used when "attr" > HL_ALL. + */ + int +syn_attr2attr(int attr) +{ + attrentry_T *aep; + +#ifdef FEAT_GUI + if (gui.in_use) + aep = syn_gui_attr2entry(attr); + else +#endif + if (IS_CTERM) + aep = syn_cterm_attr2entry(attr); + else + aep = syn_term_attr2entry(attr); + + if (aep == NULL) // highlighting not set + return 0; + return aep->ae_attr; +} + + + attrentry_T * +syn_term_attr2entry(int attr) +{ + attr -= ATTR_OFF; + if (attr >= term_attr_table.ga_len) // did ":syntax clear" + return NULL; + return &(TERM_ATTR_ENTRY(attr)); +} + + attrentry_T * +syn_cterm_attr2entry(int attr) +{ + attr -= ATTR_OFF; + if (attr >= cterm_attr_table.ga_len) // did ":syntax clear" + return NULL; + return &(CTERM_ATTR_ENTRY(attr)); +} + +#define LIST_ATTR 1 +#define LIST_STRING 2 +#define LIST_INT 3 + + static void +highlight_list_one(int id) +{ + hl_group_T *sgp; + int didh = FALSE; + + sgp = &HL_TABLE()[id - 1]; // index is ID minus one + + if (message_filtered(sgp->sg_name)) + return; + + didh = highlight_list_arg(id, didh, LIST_ATTR, + sgp->sg_term, NULL, "term"); + didh = highlight_list_arg(id, didh, LIST_STRING, + 0, sgp->sg_start, "start"); + didh = highlight_list_arg(id, didh, LIST_STRING, + 0, sgp->sg_stop, "stop"); + + didh = highlight_list_arg(id, didh, LIST_ATTR, + sgp->sg_cterm, NULL, "cterm"); + didh = highlight_list_arg(id, didh, LIST_INT, + sgp->sg_cterm_fg, NULL, "ctermfg"); + didh = highlight_list_arg(id, didh, LIST_INT, + sgp->sg_cterm_bg, NULL, "ctermbg"); + didh = highlight_list_arg(id, didh, LIST_INT, + sgp->sg_cterm_ul, NULL, "ctermul"); + +#if defined(FEAT_GUI) || defined(FEAT_EVAL) + didh = highlight_list_arg(id, didh, LIST_ATTR, + sgp->sg_gui, NULL, "gui"); + didh = highlight_list_arg(id, didh, LIST_STRING, + 0, sgp->sg_gui_fg_name, "guifg"); + didh = highlight_list_arg(id, didh, LIST_STRING, + 0, sgp->sg_gui_bg_name, "guibg"); + didh = highlight_list_arg(id, didh, LIST_STRING, + 0, sgp->sg_gui_sp_name, "guisp"); +#endif +#ifdef FEAT_GUI + didh = highlight_list_arg(id, didh, LIST_STRING, + 0, sgp->sg_font_name, "font"); +#endif + + if (sgp->sg_link && !got_int) + { + (void)syn_list_header(didh, 9999, id); + didh = TRUE; + msg_puts_attr("links to", HL_ATTR(HLF_D)); + msg_putchar(' '); + msg_outtrans(HL_TABLE()[HL_TABLE()[id - 1].sg_link - 1].sg_name); + } + + if (!didh) + highlight_list_arg(id, didh, LIST_STRING, 0, (char_u *)"cleared", ""); +#ifdef FEAT_EVAL + if (p_verbose > 0) + last_set_msg(sgp->sg_script_ctx); +#endif +} + + static int +highlight_list_arg( + int id, + int didh, + int type, + int iarg, + char_u *sarg, + char *name) +{ + char_u buf[100]; + char_u *ts; + int i; + + if (got_int) + return FALSE; + if (type == LIST_STRING ? (sarg != NULL) : (iarg != 0)) + { + ts = buf; + if (type == LIST_INT) + sprintf((char *)buf, "%d", iarg - 1); + else if (type == LIST_STRING) + ts = sarg; + else // type == LIST_ATTR + { + buf[0] = NUL; + for (i = 0; hl_attr_table[i] != 0; ++i) + { + if (iarg & hl_attr_table[i]) + { + if (buf[0] != NUL) + vim_strcat(buf, (char_u *)",", 100); + vim_strcat(buf, (char_u *)hl_name_table[i], 100); + iarg &= ~hl_attr_table[i]; // don't want "inverse" + } + } + } + + (void)syn_list_header(didh, + (int)(vim_strsize(ts) + STRLEN(name) + 1), id); + didh = TRUE; + if (!got_int) + { + if (*name != NUL) + { + msg_puts_attr(name, HL_ATTR(HLF_D)); + msg_puts_attr("=", HL_ATTR(HLF_D)); + } + msg_outtrans(ts); + } + } + return didh; +} + +#if (((defined(FEAT_EVAL) || defined(FEAT_PRINTER))) && defined(FEAT_SYN_HL)) || defined(PROTO) +/* + * Return "1" if highlight group "id" has attribute "flag". + * Return NULL otherwise. + */ + char_u * +highlight_has_attr( + int id, + int flag, + int modec) // 'g' for GUI, 'c' for cterm, 't' for term +{ + int attr; + + if (id <= 0 || id > highlight_ga.ga_len) + return NULL; + +#if defined(FEAT_GUI) || defined(FEAT_EVAL) + if (modec == 'g') + attr = HL_TABLE()[id - 1].sg_gui; + else +#endif + if (modec == 'c') + attr = HL_TABLE()[id - 1].sg_cterm; + else + attr = HL_TABLE()[id - 1].sg_term; + + if (attr & flag) + return (char_u *)"1"; + return NULL; +} +#endif + +#if (defined(FEAT_SYN_HL) && defined(FEAT_EVAL)) || defined(PROTO) +/* + * Return color name of highlight group "id". + */ + char_u * +highlight_color( + int id, + char_u *what, // "font", "fg", "bg", "sp", "ul", "fg#", "bg#" or "sp#" + int modec) // 'g' for GUI, 'c' for cterm, 't' for term +{ + static char_u name[20]; + int n; + int fg = FALSE; + int sp = FALSE; + int ul = FALSE; + int font = FALSE; + + if (id <= 0 || id > highlight_ga.ga_len) + return NULL; + + if (TOLOWER_ASC(what[0]) == 'f' && TOLOWER_ASC(what[1]) == 'g') + fg = TRUE; + else if (TOLOWER_ASC(what[0]) == 'f' && TOLOWER_ASC(what[1]) == 'o' + && TOLOWER_ASC(what[2]) == 'n' && TOLOWER_ASC(what[3]) == 't') + font = TRUE; + else if (TOLOWER_ASC(what[0]) == 's' && TOLOWER_ASC(what[1]) == 'p') + sp = TRUE; + else if (TOLOWER_ASC(what[0]) == 'u' && TOLOWER_ASC(what[1]) == 'l') + ul = TRUE; + else if (!(TOLOWER_ASC(what[0]) == 'b' && TOLOWER_ASC(what[1]) == 'g')) + return NULL; + if (modec == 'g') + { +# if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) +# ifdef FEAT_GUI + // return font name + if (font) + return HL_TABLE()[id - 1].sg_font_name; +# endif + + // return #RRGGBB form (only possible when GUI is running) + if ((USE_24BIT) && what[2] == '#') + { + guicolor_T color; + long_u rgb; + static char_u buf[10]; + + if (fg) + color = HL_TABLE()[id - 1].sg_gui_fg; + else if (sp) + color = HL_TABLE()[id - 1].sg_gui_sp; + else + color = HL_TABLE()[id - 1].sg_gui_bg; + if (color == INVALCOLOR) + return NULL; + rgb = (long_u)GUI_MCH_GET_RGB(color); + sprintf((char *)buf, "#%02x%02x%02x", + (unsigned)(rgb >> 16), + (unsigned)(rgb >> 8) & 255, + (unsigned)rgb & 255); + return buf; + } +# endif + if (fg) + return (HL_TABLE()[id - 1].sg_gui_fg_name); + if (sp) + return (HL_TABLE()[id - 1].sg_gui_sp_name); + return (HL_TABLE()[id - 1].sg_gui_bg_name); + } + if (font || sp) + return NULL; + if (modec == 'c') + { + if (fg) + n = HL_TABLE()[id - 1].sg_cterm_fg - 1; + else if (ul) + n = HL_TABLE()[id - 1].sg_cterm_ul - 1; + else + n = HL_TABLE()[id - 1].sg_cterm_bg - 1; + if (n < 0) + return NULL; + sprintf((char *)name, "%d", n); + return name; + } + // term doesn't have color + return NULL; +} +#endif + +#if (defined(FEAT_SYN_HL) \ + && (defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS)) \ + && defined(FEAT_PRINTER)) || defined(PROTO) +/* + * Return color name of highlight group "id" as RGB value. + */ + long_u +highlight_gui_color_rgb( + int id, + int fg) // TRUE = fg, FALSE = bg +{ + guicolor_T color; + + if (id <= 0 || id > highlight_ga.ga_len) + return 0L; + + if (fg) + color = HL_TABLE()[id - 1].sg_gui_fg; + else + color = HL_TABLE()[id - 1].sg_gui_bg; + + if (color == INVALCOLOR) + return 0L; + + return GUI_MCH_GET_RGB(color); +} +#endif + +/* + * Output the syntax list header. + * Return TRUE when started a new line. + */ + int +syn_list_header( + int did_header, // did header already + int outlen, // length of string that comes + int id) // highlight group id +{ + int endcol = 19; + int newline = TRUE; + int name_col = 0; + + if (!did_header) + { + msg_putchar('\n'); + if (got_int) + return TRUE; + msg_outtrans(HL_TABLE()[id - 1].sg_name); + name_col = msg_col; + endcol = 15; + } + else if (msg_col + outlen + 1 >= Columns) + { + msg_putchar('\n'); + if (got_int) + return TRUE; + } + else + { + if (msg_col >= endcol) // wrap around is like starting a new line + newline = FALSE; + } + + if (msg_col >= endcol) // output at least one space + endcol = msg_col + 1; + if (Columns <= endcol) // avoid hang for tiny window + endcol = Columns - 1; + + msg_advance(endcol); + + // Show "xxx" with the attributes. + if (!did_header) + { + if (endcol == Columns - 1 && endcol <= name_col) + msg_putchar(' '); + msg_puts_attr("xxx", syn_id2attr(id)); + msg_putchar(' '); + } + + return newline; +} + +/* + * Set the attribute numbers for a highlight group. + * Called after one of the attributes has changed. + */ + static void +set_hl_attr( + int idx) // index in array +{ + attrentry_T at_en; + hl_group_T *sgp = HL_TABLE() + idx; + + // The "Normal" group doesn't need an attribute number + if (sgp->sg_name_u != NULL && STRCMP(sgp->sg_name_u, "NORMAL") == 0) + return; + +#ifdef FEAT_GUI + /* + * For the GUI mode: If there are other than "normal" highlighting + * attributes, need to allocate an attr number. + */ + if (sgp->sg_gui_fg == INVALCOLOR + && sgp->sg_gui_bg == INVALCOLOR + && sgp->sg_gui_sp == INVALCOLOR + && sgp->sg_font == NOFONT +# ifdef FEAT_XFONTSET + && sgp->sg_fontset == NOFONTSET +# endif + ) + { + sgp->sg_gui_attr = sgp->sg_gui; + } + else + { + at_en.ae_attr = sgp->sg_gui; + at_en.ae_u.gui.fg_color = sgp->sg_gui_fg; + at_en.ae_u.gui.bg_color = sgp->sg_gui_bg; + at_en.ae_u.gui.sp_color = sgp->sg_gui_sp; + at_en.ae_u.gui.font = sgp->sg_font; +# ifdef FEAT_XFONTSET + at_en.ae_u.gui.fontset = sgp->sg_fontset; +# endif + sgp->sg_gui_attr = get_attr_entry(&gui_attr_table, &at_en); + } +#endif + /* + * For the term mode: If there are other than "normal" highlighting + * attributes, need to allocate an attr number. + */ + if (sgp->sg_start == NULL && sgp->sg_stop == NULL) + sgp->sg_term_attr = sgp->sg_term; + else + { + at_en.ae_attr = sgp->sg_term; + at_en.ae_u.term.start = sgp->sg_start; + at_en.ae_u.term.stop = sgp->sg_stop; + sgp->sg_term_attr = get_attr_entry(&term_attr_table, &at_en); + } + + /* + * For the color term mode: If there are other than "normal" + * highlighting attributes, need to allocate an attr number. + */ + if (sgp->sg_cterm_fg == 0 && sgp->sg_cterm_bg == 0 && sgp->sg_cterm_ul == 0 +# ifdef FEAT_TERMGUICOLORS + && sgp->sg_gui_fg == INVALCOLOR + && sgp->sg_gui_bg == INVALCOLOR + && sgp->sg_gui_sp == INVALCOLOR +# endif + ) + sgp->sg_cterm_attr = sgp->sg_cterm; + else + { + at_en.ae_attr = sgp->sg_cterm; + at_en.ae_u.cterm.fg_color = sgp->sg_cterm_fg; + at_en.ae_u.cterm.bg_color = sgp->sg_cterm_bg; + at_en.ae_u.cterm.ul_color = sgp->sg_cterm_ul; +# ifdef FEAT_TERMGUICOLORS +# ifdef MSWIN +# ifdef VIMDLL + // Only when not using the GUI. + if (!gui.in_use && !gui.starting) +# endif + { + int id; + guicolor_T fg, bg; + + id = syn_name2id((char_u *)"Normal"); + if (id > 0) + { + syn_id2colors(id, &fg, &bg); + if (sgp->sg_gui_fg == INVALCOLOR) + sgp->sg_gui_fg = fg; + if (sgp->sg_gui_bg == INVALCOLOR) + sgp->sg_gui_bg = bg; + } + + } +# endif + at_en.ae_u.cterm.fg_rgb = GUI_MCH_GET_RGB2(sgp->sg_gui_fg); + at_en.ae_u.cterm.bg_rgb = GUI_MCH_GET_RGB2(sgp->sg_gui_bg); + // Only use the underline/undercurl color when used, it may clear the + // background color if not supported. + if (sgp->sg_cterm & (HL_UNDERLINE | HL_UNDERCURL)) + at_en.ae_u.cterm.ul_rgb = GUI_MCH_GET_RGB2(sgp->sg_gui_sp); + else + at_en.ae_u.cterm.ul_rgb = INVALCOLOR; + if (at_en.ae_u.cterm.fg_rgb == INVALCOLOR + && at_en.ae_u.cterm.bg_rgb == INVALCOLOR) + { + // If both fg and bg are invalid fall back to the cterm colors. + // Helps when the GUI only uses an attribute, e.g. undercurl. + at_en.ae_u.cterm.fg_rgb = CTERMCOLOR; + at_en.ae_u.cterm.bg_rgb = CTERMCOLOR; + } +# endif + sgp->sg_cterm_attr = get_attr_entry(&cterm_attr_table, &at_en); + } +} + +/* + * Lookup a highlight group name and return its ID. + * If it is not found, 0 is returned. + */ + int +syn_name2id(char_u *name) +{ + int i; + char_u name_u[200]; + + // Avoid using stricmp() too much, it's slow on some systems + // Avoid alloc()/free(), these are slow too. ID names over 200 chars + // don't deserve to be found! + vim_strncpy(name_u, name, 199); + vim_strup(name_u); + for (i = highlight_ga.ga_len; --i >= 0; ) + if (HL_TABLE()[i].sg_name_u != NULL + && STRCMP(name_u, HL_TABLE()[i].sg_name_u) == 0) + break; + return i + 1; +} + +/* + * Lookup a highlight group name and return its attributes. + * Return zero if not found. + */ + int +syn_name2attr(char_u *name) +{ + int id = syn_name2id(name); + + if (id != 0) + return syn_id2attr(id); + return 0; +} + +#if defined(FEAT_EVAL) || defined(PROTO) +/* + * Return TRUE if highlight group "name" exists. + */ + int +highlight_exists(char_u *name) +{ + return (syn_name2id(name) > 0); +} + +# if defined(FEAT_SEARCH_EXTRA) || defined(PROTO) +/* + * Return the name of highlight group "id". + * When not a valid ID return an empty string. + */ + char_u * +syn_id2name(int id) +{ + if (id <= 0 || id > highlight_ga.ga_len) + return (char_u *)""; + return HL_TABLE()[id - 1].sg_name; +} +# endif +#endif + +/* + * Like syn_name2id(), but take a pointer + length argument. + */ + int +syn_namen2id(char_u *linep, int len) +{ + char_u *name; + int id = 0; + + name = vim_strnsave(linep, len); + if (name != NULL) + { + id = syn_name2id(name); + vim_free(name); + } + return id; +} + +/* + * Find highlight group name in the table and return its ID. + * The argument is a pointer to the name and the length of the name. + * If it doesn't exist yet, a new entry is created. + * Return 0 for failure. + */ + int +syn_check_group(char_u *pp, int len) +{ + int id; + char_u *name; + + name = vim_strnsave(pp, len); + if (name == NULL) + return 0; + + id = syn_name2id(name); + if (id == 0) // doesn't exist yet + id = syn_add_group(name); + else + vim_free(name); + return id; +} + +/* + * Add new highlight group and return its ID. + * "name" must be an allocated string, it will be consumed. + * Return 0 for failure. + */ + static int +syn_add_group(char_u *name) +{ + char_u *p; + char_u *name_up; + + // Check that the name is ASCII letters, digits and underscore. + for (p = name; *p != NUL; ++p) + { + if (!vim_isprintc(*p)) + { + emsg(_("E669: Unprintable character in group name")); + vim_free(name); + return 0; + } + else if (!ASCII_ISALNUM(*p) && *p != '_') + { + // This is an error, but since there previously was no check only + // give a warning. + msg_source(HL_ATTR(HLF_W)); + msg(_("W18: Invalid character in group name")); + break; + } + } + + /* + * First call for this growarray: init growing array. + */ + if (highlight_ga.ga_data == NULL) + { + highlight_ga.ga_itemsize = sizeof(hl_group_T); + highlight_ga.ga_growsize = 10; + } + + if (highlight_ga.ga_len >= MAX_HL_ID) + { + emsg(_("E849: Too many highlight and syntax groups")); + vim_free(name); + return 0; + } + + /* + * Make room for at least one other syntax_highlight entry. + */ + if (ga_grow(&highlight_ga, 1) == FAIL) + { + vim_free(name); + return 0; + } + + name_up = vim_strsave_up(name); + if (name_up == NULL) + { + vim_free(name); + return 0; + } + + CLEAR_POINTER(&(HL_TABLE()[highlight_ga.ga_len])); + HL_TABLE()[highlight_ga.ga_len].sg_name = name; + HL_TABLE()[highlight_ga.ga_len].sg_name_u = name_up; +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + HL_TABLE()[highlight_ga.ga_len].sg_gui_bg = INVALCOLOR; + HL_TABLE()[highlight_ga.ga_len].sg_gui_fg = INVALCOLOR; + HL_TABLE()[highlight_ga.ga_len].sg_gui_sp = INVALCOLOR; +#endif + ++highlight_ga.ga_len; + + return highlight_ga.ga_len; // ID is index plus one +} + +/* + * When, just after calling syn_add_group(), an error is discovered, this + * function deletes the new name. + */ + static void +syn_unadd_group(void) +{ + --highlight_ga.ga_len; + vim_free(HL_TABLE()[highlight_ga.ga_len].sg_name); + vim_free(HL_TABLE()[highlight_ga.ga_len].sg_name_u); +} + +/* + * Translate a group ID to highlight attributes. + */ + int +syn_id2attr(int hl_id) +{ + int attr; + hl_group_T *sgp; + + hl_id = syn_get_final_id(hl_id); + sgp = &HL_TABLE()[hl_id - 1]; // index is ID minus one + +#ifdef FEAT_GUI + /* + * Only use GUI attr when the GUI is being used. + */ + if (gui.in_use) + attr = sgp->sg_gui_attr; + else +#endif + if (IS_CTERM) + attr = sgp->sg_cterm_attr; + else + attr = sgp->sg_term_attr; + + return attr; +} + +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO) +/* + * Get the GUI colors and attributes for a group ID. + * NOTE: the colors will be INVALCOLOR when not set, the color otherwise. + */ + int +syn_id2colors(int hl_id, guicolor_T *fgp, guicolor_T *bgp) +{ + hl_group_T *sgp; + + hl_id = syn_get_final_id(hl_id); + sgp = &HL_TABLE()[hl_id - 1]; // index is ID minus one + + *fgp = sgp->sg_gui_fg; + *bgp = sgp->sg_gui_bg; + return sgp->sg_gui; +} +#endif + +#if (defined(MSWIN) \ + && (!defined(FEAT_GUI_MSWIN) || defined(VIMDLL)) \ + && defined(FEAT_TERMGUICOLORS)) \ + || defined(FEAT_TERMINAL) || defined(PROTO) + void +syn_id2cterm_bg(int hl_id, int *fgp, int *bgp) +{ + hl_group_T *sgp; + + hl_id = syn_get_final_id(hl_id); + sgp = &HL_TABLE()[hl_id - 1]; // index is ID minus one + *fgp = sgp->sg_cterm_fg - 1; + *bgp = sgp->sg_cterm_bg - 1; +} +#endif + +/* + * Translate a group ID to the final group ID (following links). + */ + int +syn_get_final_id(int hl_id) +{ + int count; + hl_group_T *sgp; + + if (hl_id > highlight_ga.ga_len || hl_id < 1) + return 0; // Can be called from eval!! + + /* + * Follow links until there is no more. + * Look out for loops! Break after 100 links. + */ + for (count = 100; --count >= 0; ) + { + sgp = &HL_TABLE()[hl_id - 1]; // index is ID minus one + if (sgp->sg_link == 0 || sgp->sg_link > highlight_ga.ga_len) + break; + hl_id = sgp->sg_link; + } + + return hl_id; +} + +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO) +/* + * Call this function just after the GUI has started. + * Also called when 'termguicolors' was set, gui.in_use will be FALSE then. + * It finds the font and color handles for the highlighting groups. + */ + void +highlight_gui_started(void) +{ + int idx; + + // First get the colors from the "Normal" and "Menu" group, if set + if (USE_24BIT) + set_normal_colors(); + + for (idx = 0; idx < highlight_ga.ga_len; ++idx) + gui_do_one_color(idx, FALSE, FALSE); + + highlight_changed(); +} + + static void +gui_do_one_color( + int idx, + int do_menu UNUSED, // TRUE: might set the menu font + int do_tooltip UNUSED) // TRUE: might set the tooltip font +{ + int didit = FALSE; + +# ifdef FEAT_GUI +# ifdef FEAT_TERMGUICOLORS + if (gui.in_use) +# endif + if (HL_TABLE()[idx].sg_font_name != NULL) + { + hl_do_font(idx, HL_TABLE()[idx].sg_font_name, FALSE, do_menu, + do_tooltip, TRUE); + didit = TRUE; + } +# endif + if (HL_TABLE()[idx].sg_gui_fg_name != NULL) + { + HL_TABLE()[idx].sg_gui_fg = + color_name2handle(HL_TABLE()[idx].sg_gui_fg_name); + didit = TRUE; + } + if (HL_TABLE()[idx].sg_gui_bg_name != NULL) + { + HL_TABLE()[idx].sg_gui_bg = + color_name2handle(HL_TABLE()[idx].sg_gui_bg_name); + didit = TRUE; + } + if (HL_TABLE()[idx].sg_gui_sp_name != NULL) + { + HL_TABLE()[idx].sg_gui_sp = + color_name2handle(HL_TABLE()[idx].sg_gui_sp_name); + didit = TRUE; + } + if (didit) // need to get a new attr number + set_hl_attr(idx); +} +#endif + +#if defined(USER_HIGHLIGHT) && defined(FEAT_STL_OPT) +/* + * Apply difference between User[1-9] and HLF_S to HLF_SNC, HLF_ST or HLF_STNC. + */ + static void +combine_stl_hlt( + int id, + int id_S, + int id_alt, + int hlcnt, + int i, + int hlf, + int *table) +{ + hl_group_T *hlt = HL_TABLE(); + + if (id_alt == 0) + { + CLEAR_POINTER(&hlt[hlcnt + i]); + hlt[hlcnt + i].sg_term = highlight_attr[hlf]; + hlt[hlcnt + i].sg_cterm = highlight_attr[hlf]; +# if defined(FEAT_GUI) || defined(FEAT_EVAL) + hlt[hlcnt + i].sg_gui = highlight_attr[hlf]; +# endif + } + else + mch_memmove(&hlt[hlcnt + i], + &hlt[id_alt - 1], + sizeof(hl_group_T)); + hlt[hlcnt + i].sg_link = 0; + + hlt[hlcnt + i].sg_term ^= + hlt[id - 1].sg_term ^ hlt[id_S - 1].sg_term; + if (hlt[id - 1].sg_start != hlt[id_S - 1].sg_start) + hlt[hlcnt + i].sg_start = hlt[id - 1].sg_start; + if (hlt[id - 1].sg_stop != hlt[id_S - 1].sg_stop) + hlt[hlcnt + i].sg_stop = hlt[id - 1].sg_stop; + hlt[hlcnt + i].sg_cterm ^= + hlt[id - 1].sg_cterm ^ hlt[id_S - 1].sg_cterm; + if (hlt[id - 1].sg_cterm_fg != hlt[id_S - 1].sg_cterm_fg) + hlt[hlcnt + i].sg_cterm_fg = hlt[id - 1].sg_cterm_fg; + if (hlt[id - 1].sg_cterm_bg != hlt[id_S - 1].sg_cterm_bg) + hlt[hlcnt + i].sg_cterm_bg = hlt[id - 1].sg_cterm_bg; +# if defined(FEAT_GUI) || defined(FEAT_EVAL) + hlt[hlcnt + i].sg_gui ^= + hlt[id - 1].sg_gui ^ hlt[id_S - 1].sg_gui; +# endif +# ifdef FEAT_GUI + if (hlt[id - 1].sg_gui_fg != hlt[id_S - 1].sg_gui_fg) + hlt[hlcnt + i].sg_gui_fg = hlt[id - 1].sg_gui_fg; + if (hlt[id - 1].sg_gui_bg != hlt[id_S - 1].sg_gui_bg) + hlt[hlcnt + i].sg_gui_bg = hlt[id - 1].sg_gui_bg; + if (hlt[id - 1].sg_gui_sp != hlt[id_S - 1].sg_gui_sp) + hlt[hlcnt + i].sg_gui_sp = hlt[id - 1].sg_gui_sp; + if (hlt[id - 1].sg_font != hlt[id_S - 1].sg_font) + hlt[hlcnt + i].sg_font = hlt[id - 1].sg_font; +# ifdef FEAT_XFONTSET + if (hlt[id - 1].sg_fontset != hlt[id_S - 1].sg_fontset) + hlt[hlcnt + i].sg_fontset = hlt[id - 1].sg_fontset; +# endif +# endif + highlight_ga.ga_len = hlcnt + i + 1; + set_hl_attr(hlcnt + i); // At long last we can apply + table[i] = syn_id2attr(hlcnt + i + 1); +} +#endif + +/* + * Translate the 'highlight' option into attributes in highlight_attr[] and + * set up the user highlights User1..9. If FEAT_STL_OPT is in use, a set of + * corresponding highlights to use on top of HLF_SNC is computed. + * Called only when the 'highlight' option has been changed and upon first + * screen redraw after any :highlight command. + * Return FAIL when an invalid flag is found in 'highlight'. OK otherwise. + */ + int +highlight_changed(void) +{ + int hlf; + int i; + char_u *p; + int attr; + char_u *end; + int id; +#ifdef USER_HIGHLIGHT + char_u userhl[30]; // use 30 to avoid compiler warning +# ifdef FEAT_STL_OPT + int id_S = -1; + int id_SNC = 0; +# ifdef FEAT_TERMINAL + int id_ST = 0; + int id_STNC = 0; +# endif + int hlcnt; +# endif +#endif + static int hl_flags[HLF_COUNT] = HL_FLAGS; + + need_highlight_changed = FALSE; + + /* + * Clear all attributes. + */ + for (hlf = 0; hlf < (int)HLF_COUNT; ++hlf) + highlight_attr[hlf] = 0; + + /* + * First set all attributes to their default value. + * Then use the attributes from the 'highlight' option. + */ + for (i = 0; i < 2; ++i) + { + if (i) + p = p_hl; + else + p = get_highlight_default(); + if (p == NULL) // just in case + continue; + + while (*p) + { + for (hlf = 0; hlf < (int)HLF_COUNT; ++hlf) + if (hl_flags[hlf] == *p) + break; + ++p; + if (hlf == (int)HLF_COUNT || *p == NUL) + return FAIL; + + /* + * Allow several hl_flags to be combined, like "bu" for + * bold-underlined. + */ + attr = 0; + for ( ; *p && *p != ','; ++p) // parse up to comma + { + if (VIM_ISWHITE(*p)) // ignore white space + continue; + + if (attr > HL_ALL) // Combination with ':' is not allowed. + return FAIL; + + switch (*p) + { + case 'b': attr |= HL_BOLD; + break; + case 'i': attr |= HL_ITALIC; + break; + case '-': + case 'n': // no highlighting + break; + case 'r': attr |= HL_INVERSE; + break; + case 's': attr |= HL_STANDOUT; + break; + case 'u': attr |= HL_UNDERLINE; + break; + case 'c': attr |= HL_UNDERCURL; + break; + case 't': attr |= HL_STRIKETHROUGH; + break; + case ':': ++p; // highlight group name + if (attr || *p == NUL) // no combinations + return FAIL; + end = vim_strchr(p, ','); + if (end == NULL) + end = p + STRLEN(p); + id = syn_check_group(p, (int)(end - p)); + if (id == 0) + return FAIL; + attr = syn_id2attr(id); + p = end - 1; +#if defined(FEAT_STL_OPT) && defined(USER_HIGHLIGHT) + if (hlf == (int)HLF_SNC) + id_SNC = syn_get_final_id(id); +# ifdef FEAT_TERMINAL + else if (hlf == (int)HLF_ST) + id_ST = syn_get_final_id(id); + else if (hlf == (int)HLF_STNC) + id_STNC = syn_get_final_id(id); +# endif + else if (hlf == (int)HLF_S) + id_S = syn_get_final_id(id); +#endif + break; + default: return FAIL; + } + } + highlight_attr[hlf] = attr; + + p = skip_to_option_part(p); // skip comma and spaces + } + } + +#ifdef USER_HIGHLIGHT + /* + * Setup the user highlights + * + * Temporarily utilize 28 more hl entries: + * 9 for User1-User9 combined with StatusLineNC + * 9 for User1-User9 combined with StatusLineTerm + * 9 for User1-User9 combined with StatusLineTermNC + * 1 for StatusLine default + * Have to be in there simultaneously in case of table overflows in + * get_attr_entry() + */ +# ifdef FEAT_STL_OPT + if (ga_grow(&highlight_ga, 28) == FAIL) + return FAIL; + hlcnt = highlight_ga.ga_len; + if (id_S == -1) + { + // Make sure id_S is always valid to simplify code below. Use the last + // entry. + CLEAR_POINTER(&HL_TABLE()[hlcnt + 27]); + HL_TABLE()[hlcnt + 18].sg_term = highlight_attr[HLF_S]; + id_S = hlcnt + 19; + } +# endif + for (i = 0; i < 9; i++) + { + sprintf((char *)userhl, "User%d", i + 1); + id = syn_name2id(userhl); + if (id == 0) + { + highlight_user[i] = 0; +# ifdef FEAT_STL_OPT + highlight_stlnc[i] = 0; +# ifdef FEAT_TERMINAL + highlight_stlterm[i] = 0; + highlight_stltermnc[i] = 0; +# endif +# endif + } + else + { + highlight_user[i] = syn_id2attr(id); +# ifdef FEAT_STL_OPT + combine_stl_hlt(id, id_S, id_SNC, hlcnt, i, + HLF_SNC, highlight_stlnc); +# ifdef FEAT_TERMINAL + combine_stl_hlt(id, id_S, id_ST, hlcnt + 9, i, + HLF_ST, highlight_stlterm); + combine_stl_hlt(id, id_S, id_STNC, hlcnt + 18, i, + HLF_STNC, highlight_stltermnc); +# endif +# endif + } + } +# ifdef FEAT_STL_OPT + highlight_ga.ga_len = hlcnt; +# endif + +#endif // USER_HIGHLIGHT + + return OK; +} + +static void highlight_list(void); +static void highlight_list_two(int cnt, int attr); + +/* + * Handle command line completion for :highlight command. + */ + void +set_context_in_highlight_cmd(expand_T *xp, char_u *arg) +{ + char_u *p; + + // Default: expand group names + xp->xp_context = EXPAND_HIGHLIGHT; + xp->xp_pattern = arg; + include_link = 2; + include_default = 1; + + // (part of) subcommand already typed + if (*arg != NUL) + { + p = skiptowhite(arg); + if (*p != NUL) // past "default" or group name + { + include_default = 0; + if (STRNCMP("default", arg, p - arg) == 0) + { + arg = skipwhite(p); + xp->xp_pattern = arg; + p = skiptowhite(arg); + } + if (*p != NUL) // past group name + { + include_link = 0; + if (arg[1] == 'i' && arg[0] == 'N') + highlight_list(); + if (STRNCMP("link", arg, p - arg) == 0 + || STRNCMP("clear", arg, p - arg) == 0) + { + xp->xp_pattern = skipwhite(p); + p = skiptowhite(xp->xp_pattern); + if (*p != NUL) // past first group name + { + xp->xp_pattern = skipwhite(p); + p = skiptowhite(xp->xp_pattern); + } + } + if (*p != NUL) // past group name(s) + xp->xp_context = EXPAND_NOTHING; + } + } + } +} + +/* + * List highlighting matches in a nice way. + */ + static void +highlight_list(void) +{ + int i; + + for (i = 10; --i >= 0; ) + highlight_list_two(i, HL_ATTR(HLF_D)); + for (i = 40; --i >= 0; ) + highlight_list_two(99, 0); +} + + static void +highlight_list_two(int cnt, int attr) +{ + msg_puts_attr(&("N \bI \b! \b"[cnt / 11]), attr); + msg_clr_eos(); + out_flush(); + ui_delay(cnt == 99 ? 40L : (long)cnt * 50L, FALSE); +} + +/* + * Function given to ExpandGeneric() to obtain the list of group names. + */ + char_u * +get_highlight_name(expand_T *xp UNUSED, int idx) +{ + return get_highlight_name_ext(xp, idx, TRUE); +} + +/* + * Obtain a highlight group name. + * When "skip_cleared" is TRUE don't return a cleared entry. + */ + char_u * +get_highlight_name_ext(expand_T *xp UNUSED, int idx, int skip_cleared) +{ + if (idx < 0) + return NULL; + + // Items are never removed from the table, skip the ones that were + // cleared. + if (skip_cleared && idx < highlight_ga.ga_len && HL_TABLE()[idx].sg_cleared) + return (char_u *)""; + + if (idx == highlight_ga.ga_len && include_none != 0) + return (char_u *)"none"; + if (idx == highlight_ga.ga_len + include_none && include_default != 0) + return (char_u *)"default"; + if (idx == highlight_ga.ga_len + include_none + include_default + && include_link != 0) + return (char_u *)"link"; + if (idx == highlight_ga.ga_len + include_none + include_default + 1 + && include_link != 0) + return (char_u *)"clear"; + if (idx >= highlight_ga.ga_len) + return NULL; + return HL_TABLE()[idx].sg_name; +} + +#if defined(FEAT_GUI) || defined(PROTO) +/* + * Free all the highlight group fonts. + * Used when quitting for systems which need it. + */ + void +free_highlight_fonts(void) +{ + int idx; + + for (idx = 0; idx < highlight_ga.ga_len; ++idx) + { + gui_mch_free_font(HL_TABLE()[idx].sg_font); + HL_TABLE()[idx].sg_font = NOFONT; +# ifdef FEAT_XFONTSET + gui_mch_free_fontset(HL_TABLE()[idx].sg_fontset); + HL_TABLE()[idx].sg_fontset = NOFONTSET; +# endif + } + + gui_mch_free_font(gui.norm_font); +# ifdef FEAT_XFONTSET + gui_mch_free_fontset(gui.fontset); +# endif +# ifndef FEAT_GUI_GTK + gui_mch_free_font(gui.bold_font); + gui_mch_free_font(gui.ital_font); + gui_mch_free_font(gui.boldital_font); +# endif +} +#endif |