From 8ea4b9700d956b2f9198439bf72dfe951cb8b56a Mon Sep 17 00:00:00 2001
From: dt_ <qtc-committer@nokia.com>
Date: Mon, 30 May 2011 13:11:31 +0200
Subject: [PATCH] Qt4Project: fix canceling codemodel prevents codemodel update

After a cancel the next codemodel needs to start regardless of whether
the underlying information is still the same.

Change-Id: I24eecaf2b8f5c96904002ca1e3dbe4df0061cc9c
Reviewed-on: http://codereview.qt.nokia.com/216
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>
---
 src/plugins/qt4projectmanager/qt4project.cpp | 8 ++++++--
 src/plugins/qt4projectmanager/qt4project.h   | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/plugins/qt4projectmanager/qt4project.cpp b/src/plugins/qt4projectmanager/qt4project.cpp
index f4f68ba9a89..a9ae9c73ecd 100644
--- a/src/plugins/qt4projectmanager/qt4project.cpp
+++ b/src/plugins/qt4projectmanager/qt4project.cpp
@@ -263,7 +263,8 @@ Qt4Project::Qt4Project(Qt4Manager *manager, const QString& fileName) :
     m_asyncUpdateFutureInterface(0),
     m_pendingEvaluateFuturesCount(0),
     m_asyncUpdateState(NoState),
-    m_cancelEvaluate(false)
+    m_cancelEvaluate(false),
+    m_codeModelCanceled(false)
 {
     setProjectContext(Core::Context(Qt4ProjectManager::Constants::PROJECT_ID));
     setProjectLanguage(Core::Context(ProjectExplorer::Constants::LANG_CXX));
@@ -513,7 +514,8 @@ void Qt4Project::updateCppCodeModel()
         && pinfo.includePaths == allIncludePaths
         && pinfo.frameworkPaths == allFrameworkPaths
         && fileList
-        && pinfo.precompiledHeaders == allPrecompileHeaders) {
+        && pinfo.precompiledHeaders == allPrecompileHeaders
+        && !m_codeModelCanceled) {
         // Nothing to update...
     } else {
         pinfo.sourceFiles.clear();
@@ -534,6 +536,7 @@ void Qt4Project::updateCppCodeModel()
 
         modelmanager->updateProjectInfo(pinfo);
         m_codeModelFuture = modelmanager->updateSourceFiles(pinfo.sourceFiles);
+        m_codeModelCanceled = false;
     }
 }
 
@@ -687,6 +690,7 @@ void Qt4Project::scheduleAsyncUpdate()
 
     // Cancel running code model update
     m_codeModelFuture.cancel();
+    m_codeModelCanceled = true;
 }
 
 
diff --git a/src/plugins/qt4projectmanager/qt4project.h b/src/plugins/qt4projectmanager/qt4project.h
index c9a5f02036f..169367dc770 100644
--- a/src/plugins/qt4projectmanager/qt4project.h
+++ b/src/plugins/qt4projectmanager/qt4project.h
@@ -250,6 +250,7 @@ private:
     enum AsyncUpdateState { NoState, Base, AsyncFullUpdatePending, AsyncPartialUpdatePending, AsyncUpdateInProgress, ShuttingDown };
     AsyncUpdateState m_asyncUpdateState;
     bool m_cancelEvaluate;
+    bool m_codeModelCanceled;
     QList<Qt4ProFileNode *> m_partialEvaluate;
 
     QFuture<void> m_codeModelFuture;