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ui/tui: highlighting refactor

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Make HlAttr contain highlighting state for both color modes (cterm and rgb).
This allows us to implement termguicolors completely in the TUI.

Simplify some logic duplicated between ui.c and screen.c. Also avoid
some superfluous highlighting reset events.
This commit is contained in:
Björn Linse
2018-02-06 19:46:45 +01:00
parent c205360f00
commit 5d8da126d0
18 changed files with 195 additions and 289 deletions
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47
src/nvim/syntax.c
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@@ -64,7 +64,7 @@ struct hl_group {
int sg_cterm_bold; ///< bold attr was set for light color
// for RGB UIs
int sg_gui; ///< "gui=" highlighting attributes
///< (combination of \ref HL_ATTRIBUTES)
///< (combination of \ref HlAttrFlags)
RgbValue sg_rgb_fg; ///< RGB foreground color
RgbValue sg_rgb_bg; ///< RGB background color
RgbValue sg_rgb_sp; ///< RGB special color
@@ -6796,7 +6796,6 @@ void do_highlight(const char *line, const bool forceit, const bool init)
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);
must_redraw = CLEAR;
}
} else {
@@ -6940,7 +6939,6 @@ void restore_cterm_colors(void)
normal_bg = -1;
normal_sp = -1;
cterm_normal_fg_color = 0;
cterm_normal_fg_bold = 0;
cterm_normal_bg_color = 0;
}
@@ -6994,9 +6992,9 @@ static void highlight_clear(int idx)
/// GUI can redraw at any time for any buffer.
static garray_T attr_table = GA_EMPTY_INIT_VALUE;
static inline attrentry_T * ATTR_ENTRY(int idx)
static inline HlAttrs * ATTR_ENTRY(int idx)
{
return &((attrentry_T *)attr_table.ga_data)[idx];
return &((HlAttrs *)attr_table.ga_data)[idx];
}
@@ -7004,23 +7002,21 @@ static inline attrentry_T * ATTR_ENTRY(int idx)
/// Add a new entry to the term_attr_table, attr_table or gui_attr_table
/// if the combination is new.
/// @return 0 for error.
int get_attr_entry(attrentry_T *aep)
int get_attr_entry(HlAttrs *aep)
{
garray_T *table = &attr_table;
attrentry_T *taep;
static int recursive = FALSE;
HlAttrs *taep;
static int recursive = false;
/*
* Init the table, in case it wasn't done yet.
*/
table->ga_itemsize = sizeof(attrentry_T);
table->ga_itemsize = sizeof(HlAttrs);
ga_set_growsize(table, 7);
/*
* Try to find an entry with the same specifications.
*/
for (int i = 0; i < table->ga_len; ++i) {
taep = &(((attrentry_T *)table->ga_data)[i]);
// Try to find an entry with the same specifications.
for (int i = 0; i < table->ga_len; i++) {
taep = &(((HlAttrs *)table->ga_data)[i]);
if (aep->cterm_ae_attr == taep->cterm_ae_attr
&& aep->cterm_fg_color == taep->cterm_fg_color
&& aep->cterm_bg_color == taep->cterm_bg_color
@@ -7057,7 +7053,7 @@ int get_attr_entry(attrentry_T *aep)
// This is a new combination of colors and font, add an entry.
taep = GA_APPEND_VIA_PTR(attrentry_T, table);
taep = GA_APPEND_VIA_PTR(HlAttrs, table);
memset(taep, 0, sizeof(*taep));
taep->cterm_ae_attr = aep->cterm_ae_attr;
taep->cterm_fg_color = aep->cterm_fg_color;
@@ -7085,9 +7081,9 @@ void clear_hl_tables(void)
// 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 = ATTRENTRY_INIT;
HlAttrs *char_aep = NULL;
HlAttrs *spell_aep;
HlAttrs new_en = HLATTRS_INIT;
if (char_attr == 0) {
return prim_attr;
@@ -7136,7 +7132,7 @@ int hl_combine_attr(int char_attr, int prim_attr)
/// \note this function does not apply exclusively to cterm attr contrary
/// to what its name implies
/// \warn don't call it with attr 0 (i.e., the null attribute)
attrentry_T *syn_cterm_attr2entry(int attr)
HlAttrs *syn_cterm_attr2entry(int attr)
{
attr -= ATTR_OFF;
if (attr >= attr_table.ga_len) {
@@ -7385,7 +7381,7 @@ syn_list_header(int did_header, int outlen, int id)
/// @param idx corrected highlight index
static void set_hl_attr(int idx)
{
attrentry_T at_en = ATTRENTRY_INIT;
HlAttrs at_en = HLATTRS_INIT;
struct hl_group *sgp = HL_TABLE() + idx;
@@ -8509,24 +8505,21 @@ RgbValue name_to_color(const char_u *name)
/// Gets highlight description for id `attr_id` as a map.
Dictionary hl_get_attr_by_id(Integer attr_id, Boolean rgb, Error *err)
{
HlAttrs attrs = HLATTRS_INIT;
HlAttrs *aep = NULL;
Dictionary dic = ARRAY_DICT_INIT;
if (attr_id == 0) {
goto end;
return dic;
}
attrentry_T *aep = syn_cterm_attr2entry((int)attr_id);
aep = syn_cterm_attr2entry((int)attr_id);
if (!aep) {
api_set_error(err, kErrorTypeException,
"Invalid attribute id: %" PRId64, attr_id);
return dic;
}
attrs = attrentry2hlattrs(aep, rgb);
end:
return hlattrs2dict(attrs);
return hlattrs2dict(aep, rgb);
}