diff options
Diffstat (limited to 'buffer.c')
| -rw-r--r-- | buffer.c | 25 |
1 files changed, 25 insertions, 0 deletions
@@ -1603,6 +1603,31 @@ void buffer_insert_utf8_at_cursor(TextBuffer *buffer, char const *utf8) { } } +// insert newline at cursor and auto-indent +void buffer_newline(TextBuffer *buffer) { + Settings const *settings = buffer_settings(buffer); + BufferPos cursor_pos = buffer->cursor_pos; + String32 line = buffer_get_line(buffer, cursor_pos.line); + u32 whitespace_len; + for (whitespace_len = 0; whitespace_len < line.len; ++whitespace_len) { + if (line.str[whitespace_len] != ' ' && line.str[whitespace_len] != '\t') + break; // found end of indentation + } + if (settings->auto_indent) { + // newline + auto-indent + char32_t *text = buffer_calloc(buffer, whitespace_len + 1, sizeof *text); // @OPTIMIZE: don't allocate on heap if whitespace_len is small + if (text) { + text[0] = '\n'; + memcpy(&text[1], line.str, whitespace_len * sizeof *text); + buffer_insert_text_at_cursor(buffer, str32(text, whitespace_len + 1)); + free(text); + } + } else { + // just newline + buffer_insert_char_at_cursor(buffer, '\n'); + } +} + void buffer_delete_chars_at_cursor(TextBuffer *buffer, i64 nchars) { if (buffer->selection) buffer_delete_selection(buffer); |