From fc6aefc66f06b7d5c606e834d82c60b0816f3ec6 Mon Sep 17 00:00:00 2001
From: Le Tan <tamlokveer@gmail.com>
Date: Wed, 19 Apr 2017 22:04:47 +0800
Subject: [PATCH] do not indent empty lines when pressing tab

---
 src/vmdeditoperations.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/vmdeditoperations.cpp b/src/vmdeditoperations.cpp
index e01e0407..4259bdb3 100644
--- a/src/vmdeditoperations.cpp
+++ b/src/vmdeditoperations.cpp
@@ -374,12 +374,15 @@ bool VMdEditOperations::handleKeyTab(QKeyEvent *p_event)
             int endBlockNum = endBlock.blockNumber();
             while (true) {
                 Q_ASSERT(block.isValid());
-                QTextCursor blockCursor(block);
-                blockCursor.insertText(text);
+                if (!block.text().isEmpty()) {
+                    QTextCursor blockCursor(block);
+                    blockCursor.insertText(text);
+                }
 
                 if (block.blockNumber() == endBlockNum) {
                     break;
                 }
+
                 block = block.next();
             }
             cursor.endEditBlock();