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-rw-r--r--src/nvim/screen.c148
1 files changed, 23 insertions, 125 deletions
diff --git a/src/nvim/screen.c b/src/nvim/screen.c
index 3a87cba7f9..4c440db124 100644
--- a/src/nvim/screen.c
+++ b/src/nvim/screen.c
@@ -75,6 +75,7 @@
#include "nvim/cursor.h"
#include "nvim/cursor_shape.h"
#include "nvim/decoration.h"
+#include "nvim/decoration_provider.h"
#include "nvim/diff.h"
#include "nvim/edit.h"
#include "nvim/eval.h"
@@ -126,8 +127,6 @@
#define MB_FILLER_CHAR '<' /* character used when a double-width character
* doesn't fit. */
-typedef kvec_withinit_t(DecorProvider *, 4) Providers;
-
// temporary buffer for rendering a single screenline, so it can be
// compared with previous contents to calculate smallest delta.
// Per-cell attributes
@@ -168,36 +167,6 @@ static bool resizing = false;
static char *provider_err = NULL;
-static bool provider_invoke(NS ns_id, const char *name, LuaRef ref, Array args, bool default_true)
-{
- Error err = ERROR_INIT;
-
- textlock++;
- provider_active = true;
- Object ret = nlua_call_ref(ref, name, args, true, &err);
- provider_active = false;
- textlock--;
-
- if (!ERROR_SET(&err)
- && api_object_to_bool(ret, "provider %s retval", default_true, &err)) {
- return true;
- }
-
- if (ERROR_SET(&err)) {
- const char *ns_name = describe_ns(ns_id);
- ELOG("error in provider %s:%s: %s", ns_name, name, err.msg);
- bool verbose_errs = true; // TODO(bfredl):
- if (verbose_errs && provider_err == NULL) {
- static char errbuf[IOSIZE];
- snprintf(errbuf, sizeof errbuf, "%s: %s", ns_name, err.msg);
- provider_err = xstrdup(errbuf);
- }
- }
-
- api_free_object(ret);
- return false;
-}
-
/// Redraw a window later, with update_screen(type).
///
/// Set must_redraw only if not already set to a higher value.
@@ -501,28 +470,8 @@ int update_screen(int type)
ui_comp_set_screen_valid(true);
- Providers providers;
- kvi_init(providers);
- for (size_t i = 0; i < kv_size(decor_providers); i++) {
- DecorProvider *p = &kv_A(decor_providers, i);
- if (!p->active) {
- continue;
- }
-
- bool active;
- if (p->redraw_start != LUA_NOREF) {
- FIXED_TEMP_ARRAY(args, 2);
- args.items[0] = INTEGER_OBJ(display_tick);
- args.items[1] = INTEGER_OBJ(type);
- active = provider_invoke(p->ns_id, "start", p->redraw_start, args, true);
- } else {
- active = true;
- }
-
- if (active) {
- kvi_push(providers, p);
- }
- }
+ DecorProviders providers;
+ decor_providers_start(&providers, type, &provider_err);
// "start" callback could have changed highlights for global elements
if (win_check_ns_hl(NULL)) {
@@ -591,14 +540,7 @@ int update_screen(int type)
}
if (buf->b_mod_tick_decor < display_tick) {
- for (size_t i = 0; i < kv_size(providers); i++) {
- DecorProvider *p = kv_A(providers, i);
- if (p && p->redraw_buf != LUA_NOREF) {
- FIXED_TEMP_ARRAY(args, 1);
- args.items[0] = BUFFER_OBJ(buf->handle);
- provider_invoke(p->ns_id, "buf", p->redraw_buf, args, true);
- }
- }
+ decor_providers_invoke_buf(buf, &providers, &provider_err);
buf->b_mod_tick_decor = display_tick;
}
}
@@ -668,18 +610,7 @@ int update_screen(int type)
}
did_intro = true;
- for (size_t i = 0; i < kv_size(providers); i++) {
- DecorProvider *p = kv_A(providers, i);
- if (!p->active) {
- continue;
- }
-
- if (p->redraw_end != LUA_NOREF) {
- FIXED_TEMP_ARRAY(args, 1);
- args.items[0] = INTEGER_OBJ(display_tick);
- provider_invoke(p->ns_id, "end", p->redraw_end, args, true);
- }
- }
+ decor_providers_invoke_end(&providers, &provider_err);
kvi_destroy(providers);
@@ -766,7 +697,7 @@ bool win_cursorline_standout(const win_T *wp)
* mid: from mid_start to mid_end (update inversion or changed text)
* bot: from bot_start to last row (when scrolled up)
*/
-static void win_update(win_T *wp, Providers *providers)
+static void win_update(win_T *wp, DecorProviders *providers)
{
buf_T *buf = wp->w_buffer;
int type;
@@ -1377,30 +1308,8 @@ static void win_update(win_T *wp, Providers *providers)
decor_redraw_reset(buf, &decor_state);
- Providers line_providers;
- kvi_init(line_providers);
-
- linenr_T knownmax = ((wp->w_valid & VALID_BOTLINE)
- ? wp->w_botline
- : (wp->w_topline + wp->w_height_inner));
-
- for (size_t k = 0; k < kv_size(*providers); k++) {
- DecorProvider *p = kv_A(*providers, k);
- if (p && p->redraw_win != LUA_NOREF) {
- FIXED_TEMP_ARRAY(args, 4);
- args.items[0] = WINDOW_OBJ(wp->handle);
- args.items[1] = BUFFER_OBJ(buf->handle);
- // TODO(bfredl): we are not using this, but should be first drawn line?
- args.items[2] = INTEGER_OBJ(wp->w_topline-1);
- args.items[3] = INTEGER_OBJ(knownmax);
- if (provider_invoke(p->ns_id, "win", p->redraw_win, args, true)) {
- kvi_push(line_providers, p);
- }
- }
- }
-
- win_check_ns_hl(wp);
-
+ DecorProviders line_providers;
+ decor_providers_invoke_win(wp, providers, &line_providers, &provider_err);
for (;;) {
/* stop updating when reached the end of the window (check for _past_
@@ -2028,6 +1937,17 @@ static size_t fill_foldcolumn(char_u *p, win_T *wp, foldinfo_T foldinfo, linenr_
return MAX(char_counter + (fdc-i), (size_t)fdc);
}
+static inline void provider_err_virt_text(linenr_T lnum, char *err)
+{
+ Decoration err_decor = DECORATION_INIT;
+ int hl_err = syn_check_group(S_LEN("ErrorMsg"));
+ kv_push(err_decor.virt_text,
+ ((VirtTextChunk){ .text = provider_err,
+ .hl_id = hl_err }));
+ err_decor.virt_text_width = mb_string2cells((char_u *)err);
+ decor_add_ephemeral(lnum-1, 0, lnum-1, 0, &err_decor);
+}
+
/// Display line "lnum" of window 'wp' on the screen.
/// wp->w_virtcol needs to be valid.
///
@@ -2043,7 +1963,7 @@ static size_t fill_foldcolumn(char_u *p, win_T *wp, foldinfo_T foldinfo, linenr_
///
/// @return the number of last row the line occupies.
static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool nochange,
- bool number_only, foldinfo_T foldinfo, Providers *providers)
+ bool number_only, foldinfo_T foldinfo, DecorProviders *providers)
{
int c = 0; // init for GCC
long vcol = 0; // virtual column (for tabs)
@@ -2231,34 +2151,12 @@ static int win_line(win_T *wp, linenr_T lnum, int startrow, int endrow, bool noc
has_decor = decor_redraw_line(buf, lnum-1, &decor_state);
- for (size_t k = 0; k < kv_size(*providers); k++) {
- DecorProvider *p = kv_A(*providers, k);
- if (p && p->redraw_line != LUA_NOREF) {
- FIXED_TEMP_ARRAY(args, 3);
- args.items[0] = WINDOW_OBJ(wp->handle);
- args.items[1] = BUFFER_OBJ(buf->handle);
- args.items[2] = INTEGER_OBJ(lnum-1);
- if (provider_invoke(p->ns_id, "line", p->redraw_line, args, true)) {
- has_decor = true;
- } else {
- // return 'false' or error: skip rest of this window
- kv_A(*providers, k) = NULL;
- }
-
- win_check_ns_hl(wp);
- }
- }
+ providers_invoke_line(wp, providers, lnum-1, &has_decor, &provider_err);
if (provider_err) {
- Decoration err_decor = DECORATION_INIT;
- int hl_err = syn_check_group(S_LEN("ErrorMsg"));
- kv_push(err_decor.virt_text,
- ((VirtTextChunk){ .text = provider_err,
- .hl_id = hl_err }));
- err_decor.virt_text_width = mb_string2cells((char_u *)provider_err);
- decor_add_ephemeral(lnum-1, 0, lnum-1, 0, &err_decor);
- provider_err = NULL;
+ provider_err_virt_text(lnum, provider_err);
has_decor = true;
+ provider_err = NULL;
}
if (has_decor) {