From 87dd6035e583d45d6c2e464867425ee1a9cad8e9 Mon Sep 17 00:00:00 2001
From: Philip Kaufmann <phil.kaufmann@t-online.de>
Date: Sat, 6 Apr 2013 12:14:05 +0200
Subject: [PATCH] Bitcoin-Qt: emit numBlocksChanged for changed reindex or
 importing state

- this allows our progressbarlabel to correctly update, when we
  finish a reindex or import, but do not get new blocks from other sources
---
 src/qt/clientmodel.cpp | 10 ++++++++--
 src/qt/clientmodel.h   |  2 ++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/qt/clientmodel.cpp b/src/qt/clientmodel.cpp
index 863176aa..c17c602b 100644
--- a/src/qt/clientmodel.cpp
+++ b/src/qt/clientmodel.cpp
@@ -17,7 +17,9 @@ static const int64 nClientStartupTime = GetTime();
 
 ClientModel::ClientModel(OptionsModel *optionsModel, QObject *parent) :
     QObject(parent), optionsModel(optionsModel),
-    cachedNumBlocks(0), cachedNumBlocksOfPeers(0), numBlocksAtStartup(-1), pollTimer(0)
+    cachedNumBlocks(0), cachedNumBlocksOfPeers(0),
+    cachedReindexing(0), cachedImporting(0),
+    numBlocksAtStartup(-1), pollTimer(0)
 {
     pollTimer = new QTimer(this);
     pollTimer->setInterval(MODEL_UPDATE_DELAY);
@@ -70,10 +72,14 @@ void ClientModel::updateTimer()
     int newNumBlocks = getNumBlocks();
     int newNumBlocksOfPeers = getNumBlocksOfPeers();
 
-    if(cachedNumBlocks != newNumBlocks || cachedNumBlocksOfPeers != newNumBlocksOfPeers)
+    // check for changed number of blocks we have, number of blocks peers claim to have, reindexing state and importing state
+    if (cachedNumBlocks != newNumBlocks || cachedNumBlocksOfPeers != newNumBlocksOfPeers ||
+        cachedReindexing != fReindex || cachedImporting != fImporting)
     {
         cachedNumBlocks = newNumBlocks;
         cachedNumBlocksOfPeers = newNumBlocksOfPeers;
+        cachedReindexing = fReindex;
+        cachedImporting = fImporting;
 
         // ensure we return the maximum of newNumBlocksOfPeers and newNumBlocks to not create weird displays in the GUI
         emit numBlocksChanged(newNumBlocks, std::max(newNumBlocksOfPeers, newNumBlocks));
diff --git a/src/qt/clientmodel.h b/src/qt/clientmodel.h
index 3ba34b27..904bff18 100644
--- a/src/qt/clientmodel.h
+++ b/src/qt/clientmodel.h
@@ -60,6 +60,8 @@ private:
 
     int cachedNumBlocks;
     int cachedNumBlocksOfPeers;
+	bool cachedReindexing;
+	bool cachedImporting;
 
     int numBlocksAtStartup;