QmakeProjectManager: Improve signalling of parser state

Correctly signal when parsing of a qmake project starts and stops via
the build- and runconfigurations.

The buildconfigurations are in the picture since they disable the run buttons
when the user has selected to build before deploy and deploy before run.

Task-number: QTCREATORBUG-16172
Task-number: QTCREATORBUG-15583
Change-Id: I44b5f5ce8e145cb93dc0022f66e1edcc202875e4
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
Reviewed-by: Tobias Hunger <tobias.hunger@qt.io>

src/plugins/projectexplorer/projectexplorer.cpp

@@ -267,6 +267,7 @@ public:
     void startupProjectChanged(); // Calls updateRunAction
     void activeTargetChanged();
     void activeRunConfigurationChanged();
+    void activeBuildConfigurationChanged();
 
     void slotUpdateRunActions();
 
@@ -2617,13 +2618,18 @@ void ProjectExplorerPluginPrivate::activeTargetChanged()
     if (previousTarget) {
         disconnect(previousTarget.data(), &Target::activeRunConfigurationChanged,
                    this, &ProjectExplorerPluginPrivate::activeRunConfigurationChanged);
+        disconnect(previousTarget.data(), &Target::activeBuildConfigurationChanged,
+                   this, &ProjectExplorerPluginPrivate::activeBuildConfigurationChanged);
     }
     previousTarget = target;
     if (target) {
         connect(target, &Target::activeRunConfigurationChanged,
                 this, &ProjectExplorerPluginPrivate::activeRunConfigurationChanged);
+        connect(previousTarget.data(), &Target::activeBuildConfigurationChanged,
+                this, &ProjectExplorerPluginPrivate::activeBuildConfigurationChanged);
     }
 
+    activeBuildConfigurationChanged();
     activeRunConfigurationChanged();
     updateDeployActions();
 }
@@ -2649,6 +2655,27 @@ void ProjectExplorerPluginPrivate::activeRunConfigurationChanged()
     emit m_instance->updateRunActions();
 }
 
+void ProjectExplorerPluginPrivate::activeBuildConfigurationChanged()
+{
+    static QPointer<BuildConfiguration> previousBuildConfiguration = nullptr;
+    BuildConfiguration *bc = nullptr;
+    Project *startupProject = SessionManager::startupProject();
+    if (startupProject && startupProject->activeTarget())
+        bc = startupProject->activeTarget()->activeBuildConfiguration();
+    if (bc == previousBuildConfiguration)
+        return;
+    if (previousBuildConfiguration) {
+        disconnect(previousBuildConfiguration.data(), &BuildConfiguration::enabledChanged,
+                   m_instance, &ProjectExplorerPlugin::updateRunActions);
+    }
+    previousBuildConfiguration = bc;
+    if (bc) {
+        connect(bc, &BuildConfiguration::enabledChanged,
+                m_instance, &ProjectExplorerPlugin::updateRunActions);
+    }
+    emit m_instance->updateRunActions();
+}
+
 void ProjectExplorerPluginPrivate::updateDeployActions()
 {
     Project *project = SessionManager::startupProject();

src/plugins/qmakeprojectmanager/desktopqmakerunconfiguration.cpp

@@ -125,8 +125,8 @@ void DesktopQmakeRunConfiguration::proFileUpdated(QmakeProFileNode *pro, bool su
 {
     if (m_proFilePath != pro->filePath())
         return;
-    bool enabled = isEnabled();
-    QString reason = disabledReason();
+    const bool enabled = isEnabled();
+    const QString reason = disabledReason();
     m_parseSuccess = success;
     m_parseInProgress = parseInProgress;
     if (enabled != isEnabled() || reason != disabledReason())

src/plugins/qmakeprojectmanager/qmakebuildconfiguration.h

@@ -137,7 +137,7 @@ private:
     LastKitState m_lastKitState;
 
     bool m_shadowBuild = true;
-    bool m_isEnabled = false;
+    bool m_isEnabled = true;
     QtSupport::BaseQtVersion::QmakeBuildConfigs m_qmakeBuildConfiguration = 0;
     QmakeProjectManager::QmakeProFileNode *m_subNodeBuild = nullptr;
     ProjectExplorer::FileNode *m_fileNodeBuild = nullptr;

src/plugins/qmakeprojectmanager/qmakenodes.cpp

@@ -1322,8 +1322,6 @@ void QmakePriFileNode::save(const QStringList &lines)
         FileSaver saver(m_projectFilePath.toString(), QIODevice::Text);
         saver.write(lines.join(QLatin1Char('\n')).toLocal8Bit());
         saver.finalize(Core::ICore::mainWindow());
-
-        m_project->projectManager()->notifyChanged(m_projectFilePath);
     }
 
     // This is a hack.

src/plugins/qmakeprojectmanager/qmakenodes.h

@@ -400,7 +400,7 @@ private:
     static InstallsList installsList(const QtSupport::ProFileReader *reader, const QString &projectFilePath, const QString &projectDir, const QString &buildDir);
 
     bool m_validParse = false;
-    bool m_parseInProgress = true;
+    bool m_parseInProgress = false;
 
     QmakeProjectType m_projectType = InvalidProject;
     QmakeVariablesHash m_varValues;

src/plugins/qmakeprojectmanager/qmakeproject.cpp

@@ -71,25 +71,6 @@ using namespace Utils;
 
 enum { debug = 0 };
 
-// -----------------------------------------------------------------------
-// Helpers:
-// -----------------------------------------------------------------------
-
-namespace {
-
-QmakeBuildConfiguration *enableActiveQmakeBuildConfiguration(Target *t, bool enabled)
-{
-    if (!t)
-        return 0;
-    QmakeBuildConfiguration *bc = static_cast<QmakeBuildConfiguration *>(t->activeBuildConfiguration());
-    if (!bc)
-        return 0;
-    bc->setEnabled(enabled);
-    return bc;
-}
-
-} // namespace
-
 namespace QmakeProjectManager {
 namespace Internal {
 
@@ -603,7 +584,8 @@ void QmakeProject::scheduleAsyncUpdate(QmakeProFileNode *node, QmakeProFileNode:
         return;
     }
 
-    enableActiveQmakeBuildConfiguration(activeTarget(), false);
+    node->setParseInProgressRecursive(true);
+    setAllBuildConfigurationsEnabled(false);
 
     if (m_asyncUpdateState == AsyncFullUpdatePending) {
         // Just postpone
@@ -643,7 +625,6 @@ void QmakeProject::scheduleAsyncUpdate(QmakeProFileNode *node, QmakeProFileNode:
         m_codeModelFuture.cancel();
 
         startAsyncTimer(delay);
-
     } else if (m_asyncUpdateState == AsyncUpdateInProgress) {
         // A update is in progress
         // And this slot only gets called if a file changed on disc
@@ -671,21 +652,21 @@ void QmakeProject::scheduleAsyncUpdate(QmakeProFileNode::AsyncUpdateDelay delay)
             qDebug()<<"  canceling is in progress, doing nothing";
         return;
     }
+
+    rootProjectNode()->setParseInProgressRecursive(true);
+    setAllBuildConfigurationsEnabled(false);
+
     if (m_asyncUpdateState == AsyncUpdateInProgress) {
         if (debug)
             qDebug()<<"  update in progress, canceling and setting state to full update pending";
         m_cancelEvaluate = true;
         m_asyncUpdateState = AsyncFullUpdatePending;
-        enableActiveQmakeBuildConfiguration(activeTarget(), false);
-        rootProjectNode()->setParseInProgressRecursive(true);
         return;
     }
 
     if (debug)
         qDebug()<<"  starting timer for full update, setting state to full update pending";
     m_partialEvaluate.clear();
-    enableActiveQmakeBuildConfiguration(activeTarget(), false);
-    rootProjectNode()->setParseInProgressRecursive(true);
     m_asyncUpdateState = AsyncFullUpdatePending;
 
     // Cancel running code model update
@@ -734,11 +715,14 @@ void QmakeProject::decrementPendingEvaluateFutures()
         if (m_asyncUpdateState == AsyncFullUpdatePending || m_asyncUpdateState == AsyncPartialUpdatePending) {
             if (debug)
                 qDebug()<<"  Oh update is pending start the timer";
+            rootProjectNode()->setParseInProgressRecursive(true);
+            setAllBuildConfigurationsEnabled(false);
             startAsyncTimer(QmakeProFileNode::ParseLater);
         } else  if (m_asyncUpdateState != ShuttingDown){
             // After being done, we need to call:
+            setAllBuildConfigurationsEnabled(true);
+
             m_asyncUpdateState = Base;
-            enableActiveQmakeBuildConfiguration(activeTarget(), true);
             updateFileList();
             updateCodeModels();
             updateBuildSystemData();
@@ -1071,6 +1055,17 @@ void QmakeProject::activeTargetWasChanged()
     scheduleAsyncUpdate();
 }
 
+void QmakeProject::setAllBuildConfigurationsEnabled(bool enabled)
+{
+    foreach (Target *t, targets()) {
+        foreach (BuildConfiguration *bc, t->buildConfigurations()) {
+            auto qmakeBc = qobject_cast<QmakeBuildConfiguration *>(bc);
+            if (qmakeBc)
+                qmakeBc->setEnabled(enabled);
+        }
+    }
+}
+
 bool QmakeProject::hasSubNode(QmakePriFileNode *root, const FileName &path)
 {
     if (root->filePath() == path)

src/plugins/qmakeprojectmanager/qmakeproject.h

@@ -153,6 +153,8 @@ private:
     void buildFinished(bool success);
     void activeTargetWasChanged();
 
+    void setAllBuildConfigurationsEnabled(bool enabled);
+
     QString executableFor(const QmakeProFileNode *node);
     void updateRunConfigurations();