Better Insersion

Author: KnIlight

src/ui/PathToolDialog.java

@@ -154,7 +154,7 @@ private void InjectBG(boolean inject) {
                         universal_buffer.setLength(0);
                         universal_buffer.append(data, 0, removeSt-1);
                         universal_buffer.append(data, removeEd+1, length);
-                        tweaker.setDocumentText(universal_buffer);
+                        tweaker.setDocumentText(universal_buffer, -(removeEd-removeSt+2));
                     }
                 }
                 if(!removed) {
@@ -170,7 +170,7 @@ private void InjectBG(boolean inject) {
                                 universal_buffer.append(data, 0, insIdx);
                                 universal_buffer.append(text);
                                 universal_buffer.append(data, insIdx, length);
-                                tweaker.setDocumentText(universal_buffer);
+                                tweaker.setDocumentText(universal_buffer, text.length());
                             }
                         }
                     }

src/ui/PathTweakerDialog.java

@@ -552,9 +552,15 @@ private void doIt() {
         }
     }
 
-    void setDocumentText(CharSequence text) {
+    void setDocumentText(CharSequence text, int selOffset) {
         if(mDocument!=null){
-            WriteCommandAction.runWriteCommandAction(mProject, ()-> mDocument.setText(text));
+            WriteCommandAction.runWriteCommandAction(mProject, ()-> {
+                mDocument.setText(text);
+                if(currentStart<currentEnd && currentStart>=0) {
+                    currentStart+=selOffset;
+                    currentEnd+=selOffset;
+                }
+            });
         }
     }