From d438864a4d0a059d911f9ddeba89cb39c35dae27 Mon Sep 17 00:00:00 2001
From: Roy Qu <royqh1979@gmail.com>
Date: Thu, 25 Aug 2022 16:53:06 +0800
Subject: [PATCH] - change: reduce time intervals for selection by mouse

---
 NEWS.md                          |  1 +
 RedPandaIDE/qsynedit/SynEdit.cpp | 20 ++++++++++++--------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/NEWS.md b/NEWS.md
index 7bb8d1d4..510a8e5e 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -2,6 +2,7 @@ Red Panda C++ Version 1.3
 
   - enhancement: don't parse all openned files when start up
   - enhancement: don't parse files when close all and exit
+  - change: reduce time intervals for selection by mouse
 
 Red Panda C++ Version 1.2
 
diff --git a/RedPandaIDE/qsynedit/SynEdit.cpp b/RedPandaIDE/qsynedit/SynEdit.cpp
index 9c66cc23..1e18746d 100644
--- a/RedPandaIDE/qsynedit/SynEdit.cpp
+++ b/RedPandaIDE/qsynedit/SynEdit.cpp
@@ -2005,7 +2005,13 @@ void SynEdit::doMouseScroll(bool isDragging)
         if (mOptions.testFlag(SynEditorOption::eoGroupUndo))
             mUndoList->addGroupBreak();
     }
-    computeScroll(isDragging);
+    if (isDragging) {
+        mScrollTimer->singleShot(20,this,&SynEdit::onDraggingScrollTimeout);
+    } else  {
+        mScrollTimer->singleShot(20,this,&SynEdit::onScrollTimeout);
+    }
+
+//    computeScroll(isDragging);
 }
 
 QString SynEdit::getDisplayStringAtLine(int line) const
@@ -2756,11 +2762,7 @@ void SynEdit::computeScroll(bool isDragging)
 
 
 //    if (mScrollDeltaX!=0 || mScrollDeltaY!=0) {
-    if (isDragging) {
-        mScrollTimer->singleShot(100,this,&SynEdit::onDraggingScrollTimeout);
-    } else  {
-        mScrollTimer->singleShot(100,this,&SynEdit::onScrollTimeout);
-    }
+    doMouseScroll(isDragging);
 //    }
 }
 
@@ -6947,10 +6949,12 @@ void SynEdit::onGutterChanged()
 
 void SynEdit::onScrollTimeout()
 {
-    doMouseScroll(false);
+    computeScroll(false);
+    //doMouseScroll(false);
 }
 
 void SynEdit::onDraggingScrollTimeout()
 {
-    doMouseScroll(true);
+    computeScroll(true);
+    //doMouseScroll(true);
 }