From 4dfc5759abe17e2fefd99e16f1dac2edcdb25463 Mon Sep 17 00:00:00 2001
From: Aleksey Dobrunov <ctapmex@ctapmex.com>
Date: Sat, 19 Oct 2024 00:01:35 +0500
Subject: [PATCH] fixed a bug/freeze when resizing the window in which a paired
 object is selected

fix #35
---
 CHANGELOG.md                      |  1 +
 src/colorer/editor/BaseEditor.cpp | 16 +++++++++-------
 src/colorer/editor/BaseEditor.h   |  2 +-
 3 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f295d12..107b68d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,7 @@
 ### Fixed
 - Build on old Linux platform. A minimum of gcc 7 is required.
 - Build on Linux ARM64, *BSD, macOS
+- Fixed a bug/freeze when resizing the window in which a paired object is selected
  
 ### Changed
 - The library for logging spdlog has been replaced by own implementation.
diff --git a/src/colorer/editor/BaseEditor.cpp b/src/colorer/editor/BaseEditor.cpp
index 469e50d..9b0656b 100644
--- a/src/colorer/editor/BaseEditor.cpp
+++ b/src/colorer/editor/BaseEditor.cpp
@@ -218,8 +218,9 @@ void BaseEditor::removeEditorListener(EditorListener* el)
   }
 }
 
-PairMatch* BaseEditor::getPairMatch(int lineNo, int linePos)
+PairMatch* BaseEditor::getPairMatch(int lineNo, int linePos, LineRegion** lineRegion)
 {
+  *lineRegion = nullptr;
   LineRegion* lrStart = getLineRegions(lineNo);
   if (lrStart == nullptr) {
     return nullptr;
@@ -235,6 +236,7 @@ PairMatch* BaseEditor::getPairMatch(int lineNo, int linePos)
   if (pair != nullptr) {
     auto* pm = new PairMatch(pair, lineNo, pair->region->hasParent(def_PairStart));
     pm->setStart(pair);
+    *lineRegion = lrStart;
     return pm;
   }
   return nullptr;
@@ -250,17 +252,16 @@ void BaseEditor::releasePairMatch(PairMatch* pm)
   delete pm;
 }
 
-PairMatch* BaseEditor::searchPair(int lineNo, int pos, int start_line, int end_line){
-  int lno;
-  PairMatch* pm = getPairMatch(lineNo, pos);
+PairMatch* BaseEditor::searchPair(int lineNo, int pos, int start_line, int end_line)
+{
+  LineRegion* slr = nullptr;
+  PairMatch* pm = getPairMatch(lineNo, pos, &slr);
   if (pm == nullptr) {
     return nullptr;
   }
 
-  lno = pm->sline;
-
+  int lno = pm->sline;
   LineRegion* pair = pm->getStartRef();
-  LineRegion* slr = getLineRegions(lno);
   while (true) {
     if (pm->pairBalance > 0) {
       do {
@@ -271,6 +272,7 @@ PairMatch* BaseEditor::searchPair(int lineNo, int pos, int start_line, int end_l
             return pm;
           }
           pair = getLineRegions(lno);
+          slr = pair;
         }
       } while (!pair->region);
     }
diff --git a/src/colorer/editor/BaseEditor.h b/src/colorer/editor/BaseEditor.h
index 4b8c66d..d3827b4 100644
--- a/src/colorer/editor/BaseEditor.h
+++ b/src/colorer/editor/BaseEditor.h
@@ -282,7 +282,7 @@ class BaseEditor : public RegionHandler
    * Searches for the paired token and creates PairMatch
    * object with valid initial properties filled.
    */
-  PairMatch* getPairMatch(int lineNo, int pos);
+  PairMatch* getPairMatch(int lineNo, int pos, LineRegion** line_region);
 };
 
 #endif