Fix lineedit becomming enabled at the wrong time

Task-number: QTCREATORBUG-2073

src/plugins/qt4projectmanager/qt4projectconfigwidget.cpp

@@ -141,7 +141,10 @@ void Qt4ProjectConfigWidget::updateDetails()
 void Qt4ProjectConfigWidget::updateShadowBuildUi()
 {
     m_ui->shadowBuildCheckBox->setEnabled(m_buildConfiguration->qtVersion()->supportsShadowBuilds());
-    m_ui->shadowBuildDirEdit->setEnabled(m_buildConfiguration->qtVersion()->supportsShadowBuilds());
+    bool isShadowbuilding = m_buildConfiguration->shadowBuild();
+    m_ui->shadowBuildDirEdit->setEnabled(isShadowbuilding && m_buildConfiguration->qtVersion()->supportsShadowBuilds());
+    m_browseButton->setEnabled(isShadowbuilding && m_buildConfiguration->qtVersion()->supportsShadowBuilds());
+    m_ui->shadowBuildDirEdit->setPath(m_buildConfiguration->shadowBuildDirectory());
 }
 
 void Qt4ProjectConfigWidget::manageQtVersions()
@@ -200,10 +203,7 @@ void Qt4ProjectConfigWidget::init(ProjectExplorer::BuildConfiguration *bc)
     m_ui->shadowBuildCheckBox->setChecked(shadowBuild);
     m_ui->shadowBuildCheckBox->setEnabled(m_buildConfiguration->qtVersion()->supportsShadowBuilds());
 
-    m_ui->shadowBuildDirEdit->setPath(m_buildConfiguration->shadowBuildDirectory());
-    m_ui->shadowBuildDirEdit->setEnabled(shadowBuild && m_buildConfiguration->qtVersion()->supportsShadowBuilds());
-    m_browseButton->setEnabled(shadowBuild && m_buildConfiguration->qtVersion()->supportsShadowBuilds());
-
+    updateShadowBuildUi();
     updateImportLabel();
     updateToolChainCombo();
     updateDetails();