From 1484799b18a2e4f799fd2db46f57806a178689d2 Mon Sep 17 00:00:00 2001
From: ocornut <omarcornut@gmail.com>
Date: Sun, 23 Nov 2014 23:50:23 +0000
Subject: [PATCH] Console example: fixing losing text selection when using TAB
 completion with no match

---
 imgui.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/imgui.cpp b/imgui.cpp
index b4e183586..8737b0811 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -7094,6 +7094,7 @@ struct ExampleAppConsole
 
     void	TextEditCallback(ImGuiTextEditCallbackData* data)
     {
+		//AddLog("cursor: %d, selection: %d-%d", data->CursorPos, data->SelectionStart, data->SelectionEnd);
         switch (data->EventKey)
         {
         case ImGuiKey_Tab:
@@ -7150,8 +7151,11 @@ struct ExampleAppConsole
                         match_len++;
                     }
 
-                    data->DeleteChars(word_start - data->Buf, word_end-word_start);
-                    data->InsertChars(data->CursorPos, candidates[0], candidates[0] + match_len);
+					if (match_len > 0)
+					{
+						data->DeleteChars(word_start - data->Buf, word_end-word_start);
+						data->InsertChars(data->CursorPos, candidates[0], candidates[0] + match_len);
+					}
 
                     // List matches
                     AddLog("Possible matches:\n");