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selection: invalidate *all* affected lines when updating selection

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Daniel Eklöf 2019-07-11 11:10:12 +02:00
parent c43b49dab6
commit d0e0b6da7c
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GPG key ID: 5BBD4992C116573F
1 changed files with 14 additions and 4 deletions
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18
selection.c
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@ -38,13 +38,23 @@ selection_update(struct terminal *term, int col, int row)
term->selection.end.row, term->selection.end.col,
row, col);
int start_row = term->selection.start.row;
int old_end_row = term->selection.end.row;
int new_end_row = term->grid->view + row;
assert(start_row != -1);
assert(new_end_row != -1);
if (old_end_row == -1)
old_end_row = new_end_row;
int from = min(start_row, min(old_end_row, new_end_row));
int to = max(start_row, max(old_end_row, new_end_row));
term->selection.end = (struct coord){col, term->grid->view + row};
assert(term->selection.start.row != -1 && term->selection.end.row != -1);
term_damage_rows_in_view(
term,
min(term->selection.start.row, term->selection.end.row) - term->grid->view,
max(term->selection.start.row, term->selection.end.row) - term->grid->view);
term_damage_rows_in_view(term, from - term->grid->view, to - term->grid->view);
if (term->frame_callback == NULL)
grid_render(term);