Ticket #83: dirty_readonly.diff

edit/edit-widget.h

@@ -65 +65 @@
     unsigned int screen_modified:1; /* File has been changed since the last screen draw */
     unsigned int delete_file:1; /* New file, needs to be deleted unless modified */
     unsigned int highlight:1;   /* There is a selected block */
+    unsigned int readonly:1;    /* File is readonly */
     long prev_col;              /* recent column position of the cursor - used when moving
                                    up or down past lines that are shorter than the current line */
     long curs_line;             /* line number of the cursor. */

edit/editcmd.c

@@ -968 +968 @@
 void
 edit_block_copy_cmd (WEdit *edit)
 {
+    if ( !edit->readonly ) {
+        return;
+    }
     long start_mark, end_mark, current = edit->curs1;
     int size;
     unsigned char *copy_buf;
@@ -1008 +1011 @@
 void
 edit_block_move_cmd (WEdit *edit)
 {
+    if ( !edit->readonly ) {
+        return;
+    }
     long count;
     long current;
     unsigned char *copy_buf;

edit/edit.c

@@ -832 +832 @@
 void
 edit_insert (WEdit *edit, int c)
 {
+    if ( !edit->readonly ) {
+        return;
+    }
+    mc_log("insert: %i\n", c);
     /* check if file has grown to large */
     if (edit->last_byte >= SIZE_LIMIT)
         return;
@@ -917 +921 @@
 
 int edit_delete (WEdit * edit)
 {
+    if ( !edit->readonly ) {
+        return;
+    }
     int p;
     if (!edit->curs2)
         return 0;
@@ -955 +962 @@
 static int
 edit_backspace (WEdit * edit)
 {
+    if ( !edit->readonly ) {
+        return;
+    }
     int p;
     if (!edit->curs1)
         return 0;