From cf67686fc95b048ea1939a056cfff69de31dffd9 Mon Sep 17 00:00:00 2001
From: eidheim <eidheim@gmail.com>
Date: Fri, 10 Nov 2017 08:59:38 +0100
Subject: [PATCH] Fixes backspace key when insert is after spaces or tabs at
 start of the first line in buffer

---
 src/source.cc            |  2 +-
 tests/source_key_test.cc | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/src/source.cc b/src/source.cc
index d5d4358..1caa724 100644
--- a/src/source.cc
+++ b/src/source.cc
@@ -1776,7 +1776,7 @@ bool Source::View::on_key_press_event_basic(GdkEventKey* key) {
         break;
       }
     }
-    if(get_buffer()->size()==1) // special case due to backward_char(s) returning false when moving to start of buffer
+    if(iter.get_line()==0) // Special case since there are no previous line
       do_smart_backspace=false;
     if(do_smart_backspace) {
       auto previous_line_end_iter=iter;
diff --git a/tests/source_key_test.cc b/tests/source_key_test.cc
index 898fa9a..bbc13d2 100644
--- a/tests/source_key_test.cc
+++ b/tests/source_key_test.cc
@@ -890,5 +890,24 @@ int main() {
                                                 "  }");
       g_assert(view.get_buffer()->get_insert()->get_iter() == view.get_buffer()->end());
     }
+    
+    
+    event.keyval = GDK_KEY_BackSpace;
+    {
+      view.get_buffer()->set_text("  int main()\n");
+      auto iter=view.get_buffer()->begin();
+      iter.forward_chars(2);
+      view.get_buffer()->place_cursor(iter);
+      assert(view.on_key_press_event_basic(&event)==false);
+      assert(view.on_key_press_event_bracket_language(&event)==false);
+    }
+    {
+      view.get_buffer()->set_text("  int main()");
+      auto iter=view.get_buffer()->begin();
+      iter.forward_chars(2);
+      view.get_buffer()->place_cursor(iter);
+      assert(view.on_key_press_event_basic(&event)==false);
+      assert(view.on_key_press_event_bracket_language(&event)==false);
+    }
   }
 }