handle more keys

include/editor.h

@@ -0,0 +1,6 @@
+#ifndef EDITOR_H_
+#define EDITOR_H_
+
+void insert_char(int c);
+
+#endif

include/vip.h

@@ -39,6 +39,9 @@ struct abuf {
 
 void abAppend(struct abuf *ab, const char *s, int len);
 
+void append_row(char *s, size_t len);
+void row_insert_char(row *row, int at, int c);
+
 extern editor vip;
 
 #endif

src/editor.c

@@ -0,0 +1,12 @@
+#include "vip.h"
+
+extern editor vip;
+
+void insert_char(int c)
+{
+	if (vip.cy == vip.rows) {
+		append_row("", 0);
+	}
+	row_insert_char(&vip.row[vip.cy], vip.cx, c);
+	vip.cx++;
+}

src/vip.c

@@ -11,10 +11,12 @@
 #include "vip.h"
 #include "term.h"
 #include "bar.h"
+#include "editor.h"
 
 #define CTRL_KEY(k) ((k) & 0x1f)
 
 enum editorKey {
+	BACKSPACE = 127,
 	ARROW_LEFT = 1000,
 	ARROW_RIGHT,
 	ARROW_UP,
@@ -300,6 +302,10 @@ void process_key()
 {
 	int c = read_key();
 	switch (c) {
+		case '\r':
+			/* TBC */
+			break;
+
 		case CTRL_KEY('q'):
 			write(STDOUT_FILENO, "\x1b[2J", 4);
 			write(STDOUT_FILENO, "\x1b[H", 3);
@@ -309,11 +315,19 @@ void process_key()
 		case HOME_KEY:
 			vip.cx = 0;
 			break;
+
 		case END_KEY:
 			if (vip.cy < vip.rows) {
 				vip.cx = vip.row[vip.cy].size;
 			}
 			break;
+
+		case BACKSPACE:
+		case CTRL_KEY('h'):
+		case DEL_KEY:
+			/* TBC */
+			break;
+
 		case PAGE_UP:
 		case PAGE_DOWN:
 			{
@@ -335,6 +349,14 @@ void process_key()
 		case ARROW_RIGHT:
 			move_cursor(c);
 			break;
+
+		case CTRL_KEY('l'):
+		case '\x1b':
+			break;
+
+		default:
+			insert_char(c);
+			break;
 	}
 }