From cfad4caea2e38930b88fbc1789cab9ea2ae49e54 Mon Sep 17 00:00:00 2001
From: cxl <cxl@f0d560ea-af0d-0410-9eb7-867de7ffcac7>
Date: Tue, 25 Apr 2017 16:14:36 +0000
Subject: [PATCH] CtrlLib: ProgressInfo optimized (added time granularity to
 avoid too frequent updates)

git-svn-id: svn://ultimatepp.org/upp/trunk@11030 f0d560ea-af0d-0410-9eb7-867de7ffcac7
---
 uppsrc/CtrlLib/StatusBar.cpp | 24 +++++++++++++++++++++---
 uppsrc/CtrlLib/StatusBar.h   |  7 +++++--
 2 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/uppsrc/CtrlLib/StatusBar.cpp b/uppsrc/CtrlLib/StatusBar.cpp
index 1255a5501..98e3e75df 100644
--- a/uppsrc/CtrlLib/StatusBar.cpp
+++ b/uppsrc/CtrlLib/StatusBar.cpp
@@ -296,12 +296,30 @@ ProgressInfo& ProgressInfo::Set(int _pos, int _total)
 {
 	pos = _pos;
 	total = _total;
-	Refresh();
-	if(info)
-		info->Sync();
+
+	dword t = GetTickCount();
+	if((int)(t - set_time) >= granularity) {
+		set_time = t;
+	
+		Refresh();
+		if(info)
+			info->Sync();
+	}
 	return *this;
 }
 
+void ProgressInfo::Reset()
+{
+	tabi = 0;
+	cx = 200;
+	total = 100;
+	pos = 0;
+	tw = 0;
+	info = NULL;
+	granularity = 50;
+	set_time = 0;
+}
+
 ProgressInfo::~ProgressInfo()
 {
 	if(info)
diff --git a/uppsrc/CtrlLib/StatusBar.h b/uppsrc/CtrlLib/StatusBar.h
index 331a6f894..10c882d31 100644
--- a/uppsrc/CtrlLib/StatusBar.h
+++ b/uppsrc/CtrlLib/StatusBar.h
@@ -97,9 +97,12 @@ class ProgressInfo {
 	int       cx;
 	int       total;
 	int       pos;
+	
+	int       granularity;
+	dword     set_time;
 
 	void Refresh();
-	void Reset()                                { tabi = 0; cx = 200; total = 100; pos = 0; tw = 0; info = NULL; }
+	void Reset();
 
 public:
 	ProgressInfo& Text(const String& s)         { text = s; Refresh(); return *this; }
@@ -116,7 +119,7 @@ public:
 	int           GetTotal() const              { return total; }
 
 	void operator=(int p)                       { Set(p); }
-	void operator++()                           { pos++; Refresh(); }
+	void operator++()                           { Set(pos + 1, total); }
 	operator int()                              { return pos; }
 
 	ProgressInfo()                              { Reset(); }