Make minibuffer use an actual buffer

Also fix some issues with inserting multibyte chars.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/text.c b/src/text.c
index 952f4ce..97163a5 100644
--- a/src/text.c
+++ b/src/text.c
@@ -48,6 +48,16 @@ void text_destroy(struct text *text) {
   free(text->lines);
 }
 
+void text_clear(struct text *text) {
+  for (uint32_t li = 0; li < text->nlines; ++li) {
+    text->lines[li].flags = 0;
+    text->lines[li].nbytes = 0;
+    text->lines[li].nchars = 0;
+  }
+
+  text->nlines = 1;
+}
+
 // given `char_idx` as a character index, return the byte index
 uint32_t charidx_to_byteidx(struct line *line, uint32_t char_idx) {
   if (char_idx > line->nchars) {