Implement basic esc/i mode switching

1 files changed, 9 insertions, 5 deletions

diff --git a/edit.h b/edit.h
index db0d416..535b575 100644
--- a/edit.h
+++ b/edit.h
@@ -28,17 +28,18 @@
 #include <stdbool.h>
 #include <stddef.h>
 
-enum EditMode {
-	EditInsert,
-};
-
 struct Edit {
-	enum EditMode mode;
 	wchar_t *buf;
 	size_t pos;
 	size_t len;
 	size_t cap;
 	struct Edit *cut;
+	struct {
+		enum EditViMode {
+			EditViInsert,
+			EditViCommand,
+		} mode;
+	} vi;
 };
 
 enum EditFn {
@@ -63,6 +64,9 @@ enum EditFn {
 // Perform an editing function.
 int editFn(struct Edit *e, enum EditFn fn);
 
+// Perform a vi editing function.
+int editVi(struct Edit *e, wchar_t ch);
+
 // Insert a character at the cursor.
 int editInsert(struct Edit *e, wchar_t ch);