From fc379df197d3dac9a654d531f89c6e1c44dd8acd Mon Sep 17 00:00:00 2001
From: kevin <kevin@larke.org>
Date: Mon, 12 Dec 2022 12:26:26 -0500
Subject: [PATCH] cwPresetSel.h/cpp: Changed name of is_fragment_loc() to
 is_fragment_end_loc(). Fixed delete_fragment() to update 'end_loc' of
 previous frag. to 'end_loc' of deleted frag.

---
 cwPresetSel.cpp | 11 +++++++++--
 cwPresetSel.h   |  2 +-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/cwPresetSel.cpp b/cwPresetSel.cpp
index 7335b9a..7466b39 100644
--- a/cwPresetSel.cpp
+++ b/cwPresetSel.cpp
@@ -646,7 +646,8 @@ cw::rc_t cw::preset_sel::create_fragment( handle_t h, unsigned end_loc, time::sp
   // set the return value
   fragIdRef        = f->fragId;
 
-  
+
+  // intiialize the preset array elements
   for(unsigned i=0; i<p->presetLabelN; ++i)
   {
     f->presetA[i].preset_idx = i;
@@ -719,7 +720,12 @@ cw::rc_t cw::preset_sel::delete_fragment( handle_t h, unsigned fragId )
       if( f->prev == nullptr )
         p->fragL = f->link;
       else
+      {
+        // the previous fragment's end-loc become the
+        // endloc of the deleted fragment
+        f->prev->endLoc = f->endLoc;
         f->prev->link = f->link;
+      }
 
       if( f->link != nullptr )
         f->link->prev = f->prev;
@@ -734,13 +740,14 @@ cw::rc_t cw::preset_sel::delete_fragment( handle_t h, unsigned fragId )
   return cwLogError(kInvalidArgRC,"The fragment '%i' could not be found to delete.",fragId);
 }
 
-bool cw::preset_sel::is_fragment_loc( handle_t h, unsigned loc )
+bool cw::preset_sel::is_fragment_end_loc( handle_t h, unsigned loc )
 {
   preset_sel_t* p  = _handleToPtr(h);
   return _loc_to_frag(p,loc) != nullptr;
 }
 
 
+
 unsigned cw::preset_sel::ui_select_fragment_id( handle_t h )
 {
   preset_sel_t* p  = _handleToPtr(h);
diff --git a/cwPresetSel.h b/cwPresetSel.h
index e16d791..e2ae26a 100644
--- a/cwPresetSel.h
+++ b/cwPresetSel.h
@@ -88,7 +88,7 @@ namespace cw
     rc_t create_fragment( handle_t h, unsigned end_loc, time::spec_t endTimestamp, unsigned& fragIdRef );
     rc_t delete_fragment( handle_t h, unsigned fragId );
 
-    bool is_fragment_loc( handle_t h, unsigned loc );
+    bool is_fragment_end_loc( handle_t h, unsigned loc );
 
     // Return the fragment id of the 'selected' fragment.
     unsigned ui_select_fragment_id( handle_t h );