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perf(statusline): UI elements are always redrawn on K_EVENT

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Problem:    'statusline'-format UI elements are redrawn on each K_EVENT.
Solution:   Only redraw UI elements when something relevant has changed.
This commit is contained in:
Luuk van Baal
2023-03-08 12:36:03 +01:00
parent 1fb585a9db
commit fe11079721
7 changed files with 167 additions and 151 deletions
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15
src/nvim/buffer_defs.h
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@@ -1279,13 +1279,14 @@ struct window_S {
bool w_redr_border; // if true border must be redrawn
bool w_redr_statuscol; // if true 'statuscolumn' must be redrawn
// remember what is shown in the ruler for this window (if 'ruler' set)
pos_T w_ru_cursor; // cursor position shown in ruler
colnr_T w_ru_virtcol; // virtcol shown in ruler
linenr_T w_ru_topline; // topline shown in ruler
linenr_T w_ru_line_count; // line count used for ruler
int w_ru_topfill; // topfill shown in ruler
char w_ru_empty; // true if ruler shows 0-1 (empty line)
// remember what is shown in the 'statusline'-format elements
pos_T w_stl_cursor; // cursor position when last redrawn
colnr_T w_stl_virtcol; // virtcol when last redrawn
linenr_T w_stl_topline; // topline when last redrawn
linenr_T w_stl_line_count; // line count when last redrawn
int w_stl_topfill; // topfill when last redrawn
char w_stl_empty; // true if elements show 0-1 (empty line)
int w_stl_state; // State when last redrawn
int w_alt_fnum; // alternate file (for # and CTRL-^)