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Add better indentation and pasting

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This commit is contained in:
Syed Daanish
2025-12-22 14:56:48 +00:00
parent 7307387f64
commit a12e2fb1c4
8 changed files with 184 additions and 24 deletions
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46
src/editor_indents.cc
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@@ -23,6 +23,8 @@ uint32_t get_indent(Editor *editor, Coord cursor) {
if (line_len == 0)
continue;
uint32_t indent = leading_indent(line, line_len);
free(it->buffer);
free(it);
return indent;
}
free(it->buffer);
@@ -38,3 +40,47 @@ bool closing_after_cursor(const char *line, uint32_t len, uint32_t col) {
return false;
return line[i] == '}' || line[i] == ']' || line[i] == ')';
}
void indent_line(Editor *editor, uint32_t row) {
if (!editor)
return;
LineIterator *it = begin_l_iter(editor->root, row);
uint32_t line_len;
char *line = next_line(it, &line_len);
if (!line) {
free(it->buffer);
free(it);
return;
}
char *spaces = (char *)malloc(INDENT_WIDTH);
memset(spaces, ' ', INDENT_WIDTH);
Coord cursor = editor->cursor;
edit_insert(editor, {row, 0}, spaces, INDENT_WIDTH);
editor->cursor = cursor;
free(spaces);
free(it->buffer);
free(it);
}
void dedent_line(Editor *editor, uint32_t row) {
if (!editor)
return;
LineIterator *it = begin_l_iter(editor->root, row);
uint32_t line_len;
char *line = next_line(it, &line_len);
if (!line) {
free(it->buffer);
free(it);
return;
}
uint32_t indent = leading_indent(line, line_len);
if (indent == 0) {
free(it->buffer);
free(it);
return;
}
uint32_t remove = indent >= INDENT_WIDTH ? INDENT_WIDTH : indent;
edit_erase(editor, {row, 0}, remove);
free(it->buffer);
free(it);
}