Implement mark and copy-paste

Also fix some memory leaks

1 files changed, 5 insertions, 2 deletions

diff --git a/src/text.h b/src/text.h
index 85eb522..12fe576 100644
--- a/src/text.h
+++ b/src/text.h
@@ -22,8 +22,8 @@ void text_insert_at(struct text *text, uint32_t line, uint32_t col,
 void text_append(struct text *text, uint8_t *bytes, uint32_t nbytes,
                  uint32_t *lines_added, uint32_t *cols_added);
 
-void text_delete(struct text *text, uint32_t line, uint32_t col,
-                 uint32_t nchars);
+void text_delete(struct text *text, uint32_t start_line, uint32_t start_col,
+                 uint32_t end_line, uint32_t end_col);
 
 uint32_t text_num_lines(struct text *text);
 uint32_t text_line_length(struct text *text, uint32_t lineidx);
@@ -46,5 +46,8 @@ void text_for_each_line(struct text *text, uint32_t line, uint32_t nlines,
 void text_for_each_chunk(struct text *text, chunk_cb callback, void *userdata);
 
 struct text_chunk text_get_line(struct text *text, uint32_t line);
+struct text_chunk text_get_region(struct text *text, uint32_t start_line,
+                                  uint32_t start_col, uint32_t end_line,
+                                  uint32_t end_col);
 
 bool text_line_contains_unicode(struct text *text, uint32_t line);