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fix(column): don't reset 'statuscolumn' width after it has been drawn

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Problem:     'statuscolumn' width may be reset after it has been drawn
              when multiple windows contain the same buffer. This results
              in an offset for the drawn cursor position.
Solution:     Loop over all windows (twice) prior to drawing them to
              reset the 'statuscolumn' width and validate the sign
              column when necessary.
This commit is contained in:
luukvbaal 2023-04-24 16:22:11 +02:00 committed by GitHub
parent c1331a65dd
commit bab4bcdefb
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 21 additions and 16 deletions
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14
src/nvim/drawscreen.c
View File

@ -574,9 +574,9 @@ int update_screen(void)
draw_tabline();
}
// Correct stored syntax highlighting info for changes in each displayed
// buffer. Each buffer must only be done once.
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
// Correct stored syntax highlighting info for changes in each displayed
// buffer. Each buffer must only be done once.
update_window_hl(wp, type >= UPD_NOT_VALID || hl_changed);
buf_T *buf = wp->w_buffer;
@ -592,6 +592,11 @@ int update_screen(void)
buf->b_mod_tick_decor = display_tick;
}
}
// Reset 'statuscolumn' if there is no dedicated signcolumn but it is invalid.
if (*wp->w_p_stc != NUL && !wp->w_buffer->b_signcols.valid && win_no_signcol(wp)) {
wp->w_nrwidth_line_count = 0;
}
}
// Go from top to bottom through the windows, redrawing the ones that need it.
@ -599,6 +604,11 @@ int update_screen(void)
screen_search_hl.rm.regprog = NULL;
FOR_ALL_WINDOWS_IN_TAB(wp, curtab) {
// Validate b_signcols if there is no dedicated signcolumn but 'statuscolumn' is set.
if (*wp->w_p_stc != NUL && win_no_signcol(wp)) {
buf_signcols(wp->w_buffer, 0);
}
if (wp->w_redr_type == UPD_CLEAR && wp->w_floating && wp->w_grid_alloc.chars) {
grid_invalidate(&wp->w_grid_alloc);
wp->w_redr_type = UPD_NOT_VALID;

23
src/nvim/option.c
View File

@ -5947,6 +5947,14 @@ int win_signcol_count(win_T *wp)
return win_signcol_configured(wp, NULL);
}
/// Return true when window "wp" has no sign column.
bool win_no_signcol(win_T *wp)
{
const char *scl = wp->w_p_scl;
return (*scl == 'n' && (*(scl + 1) == 'o' || (*(scl + 1) == 'u'
&& (wp->w_p_nu || wp->w_p_rnu))));
}
/// Return the number of requested sign columns, based on user / configuration.
int win_signcol_configured(win_T *wp, int *is_fixed)
{
@ -5956,20 +5964,7 @@ int win_signcol_configured(win_T *wp, int *is_fixed)
*is_fixed = 1;
}
// Note: It checks "no" or "number" in 'signcolumn' option
if (*scl == 'n'
&& (*(scl + 1) == 'o' || (*(scl + 1) == 'u'
&& (wp->w_p_nu || wp->w_p_rnu)))) {
if (!wp->w_buffer->b_signcols.valid) {
FOR_ALL_WINDOWS_IN_TAB(win, curtab) {
if (*win->w_p_stc != NUL) {
win->w_nrwidth_line_count = 0;
}
}
}
if (*wp->w_p_stc != NUL) {
buf_signcols(wp->w_buffer, 0);
}
if (win_no_signcol(wp)) {
return 0;
}