Adding usefull keybinds

config/init.el

@@ -1,13 +0,0 @@
-(define TAB-LENGTH 2)
-(define QUIT-TIMES 1)
-
-(map-key "CTRL-q" editor-quit)
-(map-key "CTRL-s" editor-save)
-
-(map-key "ARROW-UP" '(move-cursor "up"))
-(map-key "ARROW-DOWN" '(move-cursor "down"))
-(map-key "ARROW-RIGHT" '(move-cursor "right"))
-(map-key "ARROW-LEFT" '(move-cursor "left"))
-(map-key "ENTER" editor-insert-new-line)
-(map-key "CTRL-a" move-cursor-beg-line)
-(map-key "CTRL-e" move-cursor-end-line)

config/init.lisp

@@ -0,0 +1,29 @@
+(define TAB-LENGTH 2)
+(define QUIT-TIMES 1)
+
+(map-key "CTRL-q" editor-quit)
+(map-key "CTRL-s" editor-save)
+
+(define editor-delete-next-char (lambda () (
+                                            (move-cursor "right")
+                                            (editor-delete-previous-char)
+                                            )
+                                  )
+  )
+
+
+(map-key "ARROW-UP" '(move-cursor "up"))
+(map-key "ARROW-DOWN" '(move-cursor "down"))
+(map-key "ARROW-RIGHT" '(move-cursor "right"))
+(map-key "ARROW-LEFT" '(move-cursor "left"))
+(map-key "ENTER" editor-insert-new-line)
+(map-key "CTRL-a" move-cursor-beg-line)
+(map-key "CTRL-e" move-cursor-end-line)
+(map-key "BACKSPACE" editor-delete-previous-char)
+(map-key "DEL" editor-delete-next-char)
+(map-key "PAGE-UP" move-cursor-page-up)
+(map-key "PAGE-DOWN" move-cursor-page-down)
+
+; Key binds
+
+

include/builtins.h

@@ -19,4 +19,10 @@ Lisp moveCursorBeginLine(Lisp args, LispError *e, LispContext ctx);
 
 Lisp moveCursorEndLine(Lisp args, LispError *e, LispContext ctx);
 
+Lisp deletePreviousChar(Lisp args, LispError *e, LispContext ctx);
+
+Lisp editorMoveCursorPageUp(Lisp args, LispError* e, LispContext ctx);
+
+Lisp editorMoveCursorPageDown(Lisp args, LispError* e, LispContext ctx);
+
 #endif

src/builtins.c

@@ -5,6 +5,7 @@
 #include "../include/editor_op.h"
 #include "../include/data.h"
 
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
@@ -26,6 +27,7 @@ Lisp mapKey(Lisp args, LispError *e, LispContext ctx) {
 }
 
 Lisp moveCursor(Lisp args, LispError *e, LispContext ctx) {
+  fprintf(stderr, "Cursor is moving\n");
   const char *direction = lisp_string(lisp_car(args));
   switch (direction[0]) {
   case 'u':
@@ -93,3 +95,34 @@ Lisp moveCursorEndLine(Lisp args, LispError* e, LispContext ctx) {
   }
   return lisp_null();
 }
+
+
+Lisp deletePreviousChar(Lisp args, LispError* e, LispContext ctx) {
+  editorDelChar();
+  return lisp_null();
+}
+
+Lisp editorMoveCursorPageUp(Lisp args, LispError* e, LispContext ctx) {
+  E.cursor_y = E.row_offset;
+  int times = E.screenrows;
+  while (--times) {
+    editorMoveCursor(ARROW_UP);
+  }
+  return lisp_null();
+}
+
+Lisp editorMoveCursorPageDown(Lisp args, LispError* e, LispContext ctx) {
+  E.cursor_y = E.row_offset + E.screenrows - 1;
+  if (E.cursor_y > E.numrows) {
+    E.cursor_y = E.numrows;
+  }
+  int times = E.screenrows;
+  while (--times) {
+    editorMoveCursor(ARROW_DOWN);
+  }
+
+  return lisp_null();
+}
+
+
+

src/init.c

@@ -26,8 +26,9 @@ void initBuiltins() {
   registerBuiltin("EDITOR-INSERT-NEW-LINE", l_editorInsertNewLine);
   registerBuiltin("MOVE-CURSOR-BEG-LINE", moveCursorBeginLine);
   registerBuiltin("MOVE-CURSOR-END-LINE", moveCursorEndLine);
-  
-  
+  registerBuiltin("EDITOR-DELETE-PREVIOUS-CHAR", deletePreviousChar);
+  registerBuiltin("MOVE-CURSOR-PAGE-UP", editorMoveCursorPageUp);
+  registerBuiltin("MOVE-CURSOR-PAGE-DOWN", editorMoveCursorPageDown);
 }
 
 void initEditor() {
@@ -50,7 +51,7 @@ void initEditor() {
   E.number_of_keybinds = 0;
 
   
-  E.fd_init_file = fopen("config/init.el", "r");
+  E.fd_init_file = fopen("config/init.lisp", "r");
   E.ctx = lisp_init();
   E.env = lisp_env(E.ctx);
   lisp_lib_load(E.ctx);

src/input.c

@@ -2,7 +2,6 @@
 #include "../include/editor_op.h"
 #include "../include/output.h"
 #include "../include/define.h"
-#include "data.h"
 #include <ctype.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -80,12 +79,15 @@ char *key_to_string(int key) {
       break;
     case PAGE_UP:
       strcpy(key_str, "PAGE-UP");
+      fprintf(stderr, "pagr up\n");
       break;
     case PAGE_DOWN:
       strcpy(key_str, "PAGE-DOWN");
       break;
     case DEL_KEY:
+      fprintf(stderr, "delete key\n");
       strcpy(key_str, "DEL");
+      
       break;
     case BACKSPACE:
       strcpy(key_str, "BACKSPACE");