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Basic indentation support

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This commit is contained in:
Syed Daanish
2025-12-18 18:55:08 +00:00
parent f347f50dbe
commit d5145d88a7
4 changed files with 84 additions and 7 deletions
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29
src/editor_events.cc
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@@ -302,8 +302,33 @@ void handle_editor_event(Editor *editor, KeyEvent event) {
edit_insert(editor, editor->cursor, (char *)" ", 2);
cursor_right(editor, 2);
} else if (event.c[0] == '\n' || event.c[0] == '\r') {
edit_insert(editor, editor->cursor, (char *)"\n", 1);
cursor_right(editor, 1);
uint32_t line_len = 0;
LineIterator *it = begin_l_iter(editor->root, editor->cursor.row);
char *line = next_line(it, &line_len);
free(it);
bool closing = false;
if (line && line_len > 0 && line[line_len - 1] == '\n')
line_len--;
uint32_t indent = get_indent(editor, editor->cursor);
if (line) {
if (indent == 0)
indent = leading_indent(line, line_len);
closing = closing_after_cursor(line, line_len, editor->cursor.col);
free(line);
}
uint32_t closing_indent =
indent >= INDENT_WIDTH ? indent - INDENT_WIDTH : 0;
std::string insert_text("\n");
insert_text.append(indent, ' ');
Coord new_cursor = {editor->cursor.row + 1, indent};
if (closing) {
insert_text.push_back('\n');
insert_text.append(closing_indent, ' ');
}
edit_insert(editor, editor->cursor, insert_text.data(),
insert_text.size());
editor->cursor = new_cursor;
editor->cursor_preffered = UINT32_MAX;
} else if (event.c[0] == CTRL('W')) {
uint32_t prev_col_byte, prev_col_cluster;
word_boundaries(editor, editor->cursor, &prev_col_byte, nullptr,