Add error string to IRunControlFactory::createRunControl

And add a few helpful error messages

Task-number: QTCREATORBUG-7826

Change-Id: Ia9f9fa476cecf2cff198bc460408bc062e119338
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@nokia.com>

src/plugins/analyzerbase/analyzerruncontrolfactory.cpp

@@ -68,11 +68,14 @@ bool AnalyzerRunControlFactory::canRun(RunConfiguration *runConfiguration, RunMo
     return false;
 }
 
-RunControl *AnalyzerRunControlFactory::create(RunConfiguration *runConfiguration, RunMode mode)
+RunControl *AnalyzerRunControlFactory::create(RunConfiguration *runConfiguration, RunMode mode, QString *errorMessage)
 {
     IAnalyzerTool *tool = AnalyzerManager::toolFromRunMode(mode);
-    if (!tool)
+    if (!tool) {
+        if (errorMessage)
+            *errorMessage = tr("No analyzer tool selected"); // never happens
         return 0;
+    }
 
     QTC_ASSERT(canRun(runConfiguration, mode), return 0);
 

src/plugins/analyzerbase/analyzerruncontrolfactory.h

@@ -51,7 +51,8 @@ public:
     QString displayName() const;
     bool canRun(RunConfiguration *runConfiguration, ProjectExplorer::RunMode mode) const;
     ProjectExplorer::RunControl *create(RunConfiguration *runConfiguration,
-                                        ProjectExplorer::RunMode mode);
+                                        ProjectExplorer::RunMode mode,
+                                        QString *errorMessage);
     ProjectExplorer::IRunConfigurationAspect *createRunConfigurationAspect();
     ProjectExplorer::RunConfigWidget *createConfigurationWidget(RunConfiguration *runConfiguration);
 

src/plugins/android/androiddebugsupport.cpp

@@ -81,7 +81,7 @@ static QStringList qtSoPaths(QtSupport::BaseQtVersion *qtVersion)
     return paths.toList();
 }
 
-RunControl *AndroidDebugSupport::createDebugRunControl(AndroidRunConfiguration *runConfig)
+RunControl *AndroidDebugSupport::createDebugRunControl(AndroidRunConfiguration *runConfig, QString *errorMessage)
 {
     Target *target = runConfig->target();
     Qt4Project *project = static_cast<Qt4Project *>(target->project());
@@ -119,7 +119,7 @@ RunControl *AndroidDebugSupport::createDebugRunControl(AndroidRunConfiguration *
     }
 
     DebuggerRunControl * const debuggerRunControl
-        = DebuggerPlugin::createDebugger(params, runConfig);
+        = DebuggerPlugin::createDebugger(params, runConfig, errorMessage);
     new AndroidDebugSupport(runConfig, debuggerRunControl);
     return debuggerRunControl;
 }

src/plugins/android/androiddebugsupport.h

@@ -47,7 +47,8 @@ class AndroidDebugSupport : public QObject
     Q_OBJECT
 
 public:
-    static ProjectExplorer::RunControl *createDebugRunControl(AndroidRunConfiguration *runConfig);
+    static ProjectExplorer::RunControl *createDebugRunControl(AndroidRunConfiguration *runConfig,
+                                                              QString *errorMessage);
 
     AndroidDebugSupport(AndroidRunConfiguration *runConfig,
         Debugger::DebuggerRunControl *runControl);

src/plugins/android/androidrunfactories.cpp

@@ -171,7 +171,7 @@ bool AndroidRunControlFactory::canRun(RunConfiguration *runConfiguration,
 }
 
 RunControl *AndroidRunControlFactory::create(RunConfiguration *runConfig,
-                                        ProjectExplorer::RunMode mode)
+                                        ProjectExplorer::RunMode mode, QString *errorMessage)
 {
     Q_ASSERT(canRun(runConfig, mode));
     AndroidRunConfiguration *rc = qobject_cast<AndroidRunConfiguration *>(runConfig);
@@ -179,7 +179,7 @@ RunControl *AndroidRunControlFactory::create(RunConfiguration *runConfig,
     if (mode == NormalRunMode)
         return new AndroidRunControl(rc);
     else
-        return AndroidDebugSupport::createDebugRunControl(rc);
+        return AndroidDebugSupport::createDebugRunControl(rc, errorMessage);
 }
 
 QString AndroidRunControlFactory::displayName() const

src/plugins/android/androidrunfactories.h

@@ -80,7 +80,8 @@ public:
     bool canRun(ProjectExplorer::RunConfiguration *runConfiguration,
                 ProjectExplorer::RunMode mode) const;
     ProjectExplorer::RunControl *create(ProjectExplorer::RunConfiguration *runConfiguration,
-                       ProjectExplorer::RunMode mode);
+                       ProjectExplorer::RunMode mode,
+                       QString *errorMessage);
 };
 
 } // namespace Internal

src/plugins/debugger/debuggerplugin.cpp

@@ -3387,9 +3387,9 @@ void DebuggerPlugin::remoteCommand(const QStringList &options,
 }
 
 DebuggerRunControl *DebuggerPlugin::createDebugger
-    (const DebuggerStartParameters &sp, RunConfiguration *rc)
+    (const DebuggerStartParameters &sp, RunConfiguration *rc, QString *errorMessage)
 {
-    return DebuggerRunControlFactory::doCreate(sp, rc);
+    return DebuggerRunControlFactory::doCreate(sp, rc, errorMessage);
 }
 
 void DebuggerPlugin::extensionsInitialized()

src/plugins/debugger/debuggerplugin.h

@@ -66,7 +66,8 @@ public:
     static QAction *visibleDebugAction();
 
     static DebuggerRunControl *createDebugger(const DebuggerStartParameters &sp,
-                                              ProjectExplorer::RunConfiguration *rc);
+                                              ProjectExplorer::RunConfiguration *rc,
+                                              QString *errorMessage);
 
 private:
     // IPlugin implementation.

src/plugins/debugger/debuggerruncontrolfactory.h

@@ -50,7 +50,8 @@ public:
     // FIXME: Used by qmljsinspector.cpp:469
     ProjectExplorer::RunControl *create(
         ProjectExplorer::RunConfiguration *runConfiguration,
-        ProjectExplorer::RunMode mode);
+        ProjectExplorer::RunMode mode,
+        QString *errorMessage);
 
     bool canRun(ProjectExplorer::RunConfiguration *runConfiguration,
         ProjectExplorer::RunMode mode) const;
@@ -64,7 +65,7 @@ public:
         ProjectExplorer::RunConfiguration *runConfiguration = 0);
 
     static DebuggerRunControl *doCreate(const DebuggerStartParameters &sp,
-        ProjectExplorer::RunConfiguration *rc);
+        ProjectExplorer::RunConfiguration *rc, QString *errorMessage);
 
 private:
     QString displayName() const;

src/plugins/debugger/debuggerrunner.cpp

@@ -543,8 +543,9 @@ static DebuggerStartParameters localStartParameters(RunConfiguration *runConfigu
 }
 
 RunControl *DebuggerRunControlFactory::create
-    (RunConfiguration *runConfiguration, RunMode mode)
+    (RunConfiguration *runConfiguration, RunMode mode, QString *errorMessage)
 {
+    Q_UNUSED(errorMessage)
     QTC_ASSERT(mode == DebugRunMode || mode == DebugRunModeWithBreakOnMain, return 0);
     DebuggerStartParameters sp = localStartParameters(runConfiguration);
     if (sp.startMode == NoStartMode)
@@ -552,7 +553,7 @@ RunControl *DebuggerRunControlFactory::create
     if (mode == DebugRunModeWithBreakOnMain)
         sp.breakOnMain = true;
 
-    return doCreate(sp, runConfiguration);
+    return doCreate(sp, runConfiguration, errorMessage);
 }
 
 static DebuggerEngineType guessUnixCppEngineType(const DebuggerStartParameters &sp)
@@ -644,8 +645,9 @@ static void fixupEngineTypes(DebuggerStartParameters &sp, RunConfiguration *rc)
 }
 
 DebuggerRunControl *DebuggerRunControlFactory::doCreate
-    (const DebuggerStartParameters &sp0, RunConfiguration *rc)
+    (const DebuggerStartParameters &sp0, RunConfiguration *rc, QString *errorMessage)
 {
+    Q_UNUSED(errorMessage);
     DebuggerStartParameters sp = sp0;
     if (!debuggerCore()->boolSetting(AutoEnrichParameters)) {
         const QString sysroot = sp.sysRoot;
@@ -663,8 +665,9 @@ DebuggerRunControl *DebuggerRunControlFactory::doCreate
     }
 
     fixupEngineTypes(sp, rc);
-    if (!sp.masterEngineType)
+    if (!sp.masterEngineType) {
         return 0;
+    }
 
     return new DebuggerRunControl(rc, sp);
 }
@@ -672,9 +675,12 @@ DebuggerRunControl *DebuggerRunControlFactory::doCreate
 DebuggerRunControl *DebuggerRunControlFactory::createAndScheduleRun
     (const DebuggerStartParameters &sp, RunConfiguration *runConfiguration)
 {
-    DebuggerRunControl *rc = doCreate(sp, runConfiguration);
-    if (!rc)
+    QString errorMessage;
+    DebuggerRunControl *rc = doCreate(sp, runConfiguration, &errorMessage);
+    if (!rc) {
+        ProjectExplorer::ProjectExplorerPlugin::showRunErrorMessage(errorMessage);
         return 0;
+    }
     debuggerCore()->showMessage(sp.startMessage, 0);
     ProjectExplorerPlugin::instance()->startRunControl(rc, DebugRunMode);
     return rc;

src/plugins/madde/maemorunfactories.cpp

@@ -202,7 +202,7 @@ bool MaemoRunControlFactory::canRun(RunConfiguration *runConfiguration, RunMode
     return maemoRunConfig->hasEnoughFreePorts(mode);
 }
 
-RunControl* MaemoRunControlFactory::create(RunConfiguration *runConfig, RunMode mode)
+RunControl* MaemoRunControlFactory::create(RunConfiguration *runConfig, RunMode mode, QString *errorMessage)
 {
     Q_ASSERT(canRun(runConfig, mode));
 
@@ -216,7 +216,7 @@ RunControl* MaemoRunControlFactory::create(RunConfiguration *runConfig, RunMode
     }
 
     const DebuggerStartParameters params = LinuxDeviceDebugSupport::startParameters(rc);
-    DebuggerRunControl * const runControl = DebuggerPlugin::createDebugger(params, rc);
+    DebuggerRunControl * const runControl = DebuggerPlugin::createDebugger(params, rc, errorMessage);
     if (!runControl)
         return 0;
     LinuxDeviceDebugSupport * const debugSupport

src/plugins/madde/maemorunfactories.h

@@ -82,7 +82,9 @@ public:
     QString displayName() const;
 
     bool canRun(ProjectExplorer::RunConfiguration *runConfiguration, ProjectExplorer::RunMode mode) const;
-    RunControl *create(ProjectExplorer::RunConfiguration *runConfiguration, ProjectExplorer::RunMode mode);
+    RunControl *create(ProjectExplorer::RunConfiguration *runConfiguration,
+                       ProjectExplorer::RunMode mode,
+                       QString *errorMessage);
 };
 
     } // namespace Internal

src/plugins/projectexplorer/localapplicationruncontrol.cpp

@@ -61,13 +61,16 @@ QString LocalApplicationRunControlFactory::displayName() const
     return tr("Run");
 }
 
-RunControl *LocalApplicationRunControlFactory::create(RunConfiguration *runConfiguration, RunMode mode)
+RunControl *LocalApplicationRunControlFactory::create(RunConfiguration *runConfiguration, RunMode mode, QString *errorMessage)
 {
     QTC_ASSERT(canRun(runConfiguration, mode), return 0);
     LocalApplicationRunConfiguration *localRunConfiguration = qobject_cast<LocalApplicationRunConfiguration *>(runConfiguration);
     // Force the dialog about executables at this point and fail if there is none
-    if (localRunConfiguration->executable().isEmpty())
+    if (localRunConfiguration->executable().isEmpty()) {
+        if (errorMessage)
+            *errorMessage = tr("No executable");
         return 0;
+    }
     return new LocalApplicationRunControl(localRunConfiguration, mode);
 }
 

src/plugins/projectexplorer/localapplicationruncontrol.h

@@ -48,7 +48,7 @@ public:
     virtual ~LocalApplicationRunControlFactory();
     virtual bool canRun(RunConfiguration *runConfiguration, RunMode mode) const;
     virtual QString displayName() const;
-    virtual RunControl* create(RunConfiguration *runConfiguration, RunMode mode);
+    virtual RunControl* create(RunConfiguration *runConfiguration, RunMode mode, QString *errorMessage);
 };
 
 class LocalApplicationRunControl : public RunControl

src/plugins/projectexplorer/projectexplorer.cpp

@@ -1576,13 +1576,29 @@ void ProjectExplorerPlugin::executeRunConfiguration(RunConfiguration *runConfigu
     if (IRunControlFactory *runControlFactory = findRunControlFactory(runConfiguration, runMode)) {
         emit aboutToExecuteProject(runConfiguration->target()->project(), runMode);
 
-        RunControl *control = runControlFactory->create(runConfiguration, runMode);
-        if (!control)
+        QString errorMessage;
+        RunControl *control = runControlFactory->create(runConfiguration, runMode, &errorMessage);
+        if (!control) {
+            showRunErrorMessage(errorMessage);
             return;
+        }
         startRunControl(control, runMode);
     }
 }
 
+void ProjectExplorerPlugin::showRunErrorMessage(const QString &errorMessage)
+{
+    if (errorMessage.isNull()) {
+        // a error occured, but message was not set
+        QMessageBox::critical(Core::ICore::mainWindow(), tr("Unknown error"), errorMessage);
+    } else if (errorMessage.isEmpty()) {
+        // a error, but the message was set to empty
+        // hack for qml observer warning, show nothing at all
+    } else {
+        QMessageBox::critical(Core::ICore::mainWindow(), tr("Could Not Run"), errorMessage);
+    }
+}
+
 void ProjectExplorerPlugin::startRunControl(RunControl *runControl, RunMode runMode)
 {
     d->m_outputPane->createNewOutputWindow(runControl);

src/plugins/projectexplorer/projectexplorer.h

@@ -109,6 +109,7 @@ public:
     Internal::ProjectExplorerSettings projectExplorerSettings() const;
 
     void startRunControl(RunControl *runControl, RunMode runMode);
+    static void showRunErrorMessage(const QString &errorMessage);
 
     // internal public for FlatModel
     void renameFile(Node *node, const QString &to);

src/plugins/projectexplorer/runconfiguration.h

@@ -228,7 +228,7 @@ public:
     virtual ~IRunControlFactory();
 
     virtual bool canRun(RunConfiguration *runConfiguration, RunMode mode) const = 0;
-    virtual RunControl *create(RunConfiguration *runConfiguration, RunMode mode) = 0;
+    virtual RunControl *create(RunConfiguration *runConfiguration, RunMode mode, QString *errorMessage) = 0;
 
     virtual QString displayName() const = 0;
 

src/plugins/qmlprojectmanager/qmlprojectruncontrol.cpp

@@ -167,7 +167,7 @@ bool QmlProjectRunControlFactory::canRun(RunConfiguration *runConfiguration,
 }
 
 RunControl *QmlProjectRunControlFactory::create(RunConfiguration *runConfiguration,
-                                                RunMode mode)
+                                                RunMode mode, QString *errorMessage)
 {
     QTC_ASSERT(canRun(runConfiguration, mode), return 0);
     QmlProjectRunConfiguration *config = qobject_cast<QmlProjectRunConfiguration *>(runConfiguration);
@@ -187,7 +187,7 @@ RunControl *QmlProjectRunControlFactory::create(RunConfiguration *runConfigurati
     if (mode == NormalRunMode)
         runControl = new QmlProjectRunControl(config, mode);
     else if (mode == DebugRunMode)
-        runControl = createDebugRunControl(config);
+        runControl = createDebugRunControl(config, errorMessage);
     return runControl;
 }
 
@@ -196,7 +196,7 @@ QString QmlProjectRunControlFactory::displayName() const
     return tr("Run");
 }
 
-RunControl *QmlProjectRunControlFactory::createDebugRunControl(QmlProjectRunConfiguration *runConfig)
+RunControl *QmlProjectRunControlFactory::createDebugRunControl(QmlProjectRunConfiguration *runConfig, QString *errorMessage)
 {
     Debugger::DebuggerStartParameters params;
     params.startMode = Debugger::StartInternal;
@@ -224,10 +224,11 @@ RunControl *QmlProjectRunControlFactory::createDebugRunControl(QmlProjectRunConf
 
     if (params.executable.isEmpty()) {
         QmlProjectPlugin::showQmlObserverToolWarning();
+        *errorMessage = QString(""); // hack, we already showed a error message
         return 0;
     }
 
-    return Debugger::DebuggerPlugin::createDebugger(params, runConfig);
+    return Debugger::DebuggerPlugin::createDebugger(params, runConfig, errorMessage);
 }
 
 } // namespace Internal

src/plugins/qmlprojectmanager/qmlprojectruncontrol.h

@@ -77,11 +77,12 @@ public:
 
     // IRunControlFactory
     virtual bool canRun(ProjectExplorer::RunConfiguration *runConfiguration, ProjectExplorer::RunMode mode) const;
-    virtual ProjectExplorer::RunControl *create(ProjectExplorer::RunConfiguration *runConfiguration, ProjectExplorer::RunMode mode);
+    virtual ProjectExplorer::RunControl *create(ProjectExplorer::RunConfiguration *runConfiguration,
+                                                ProjectExplorer::RunMode mode, QString *errorMessage);
     virtual QString displayName() const;
 
 private:
-    ProjectExplorer::RunControl *createDebugRunControl(QmlProjectRunConfiguration *runConfig);
+    ProjectExplorer::RunControl *createDebugRunControl(QmlProjectRunConfiguration *runConfig, QString *errorMessage);
 };
 
 } // namespace Internal

src/plugins/qnx/blackberryruncontrolfactory.cpp

@@ -82,9 +82,8 @@ bool BlackBerryRunControlFactory::canRun(ProjectExplorer::RunConfiguration *runC
     return activeDeployConf != 0;
 }
 
-ProjectExplorer::RunControl *BlackBerryRunControlFactory::create(
-        ProjectExplorer::RunConfiguration *runConfiguration,
-        ProjectExplorer::RunMode mode)
+ProjectExplorer::RunControl *BlackBerryRunControlFactory::create(ProjectExplorer::RunConfiguration *runConfiguration,
+        ProjectExplorer::RunMode mode, QString *errorMessage)
 {
     BlackBerryRunConfiguration *rc = qobject_cast<BlackBerryRunConfiguration *>(runConfiguration);
     if (!rc)
@@ -92,8 +91,11 @@ ProjectExplorer::RunControl *BlackBerryRunControlFactory::create(
 
     BlackBerryDeployConfiguration *activeDeployConf = qobject_cast<BlackBerryDeployConfiguration *>(
                 rc->target()->activeDeployConfiguration());
-    if (!activeDeployConf)
+    if (!activeDeployConf) {
+        if (errorMessage)
+            *errorMessage = tr("No active deploy configuration");
         return 0;
+    }
 
     if (mode == ProjectExplorer::NormalRunMode) {
         BlackBerryRunControl *runControl = new BlackBerryRunControl(rc);
@@ -102,7 +104,7 @@ ProjectExplorer::RunControl *BlackBerryRunControlFactory::create(
     }
 
     Debugger::DebuggerRunControl * const runControl =
-            Debugger::DebuggerPlugin::createDebugger(startParameters(rc), runConfiguration);
+            Debugger::DebuggerPlugin::createDebugger(startParameters(rc), runConfiguration, errorMessage);
     if (!runControl)
         return 0;
 

src/plugins/qnx/blackberryruncontrolfactory.h

@@ -57,7 +57,8 @@ public:
     bool canRun(ProjectExplorer::RunConfiguration *runConfiguration,
                 ProjectExplorer::RunMode mode) const;
     ProjectExplorer::RunControl *create(ProjectExplorer::RunConfiguration *runConfiguration,
-                                        ProjectExplorer::RunMode mode);
+                                        ProjectExplorer::RunMode mode,
+                                        QString *errorMessage);
 
     QString displayName() const;
 

src/plugins/qnx/qnxruncontrolfactory.cpp

@@ -116,7 +116,7 @@ bool QnxRunControlFactory::canRun(RunConfiguration *runConfiguration, RunMode mo
     return true;
 }
 
-RunControl *QnxRunControlFactory::create(RunConfiguration *runConfig, RunMode mode)
+RunControl *QnxRunControlFactory::create(RunConfiguration *runConfig, RunMode mode, QString *errorMessage)
 {
     Q_ASSERT(canRun(runConfig, mode));
 
@@ -126,7 +126,7 @@ RunControl *QnxRunControlFactory::create(RunConfiguration *runConfig, RunMode mo
         return new QnxRunControl(rc);
 
     const DebuggerStartParameters params = createStartParameters(rc);
-    DebuggerRunControl * const runControl = DebuggerPlugin::createDebugger(params, rc);
+    DebuggerRunControl * const runControl = DebuggerPlugin::createDebugger(params, rc, errorMessage);
     if (!runControl)
         return 0;
 

src/plugins/qnx/qnxruncontrolfactory.h

@@ -52,7 +52,7 @@ public:
     bool canRun(ProjectExplorer::RunConfiguration *runConfiguration,
                 ProjectExplorer::RunMode mode) const;
     ProjectExplorer::RunControl *create(ProjectExplorer::RunConfiguration *runConfiguration,
-                                        ProjectExplorer::RunMode mode);
+                                        ProjectExplorer::RunMode mode, QString *errorMessage);
 };
 
 } // namespace Internal

src/plugins/remotelinux/remotelinuxruncontrolfactory.cpp

@@ -80,7 +80,7 @@ bool RemoteLinuxRunControlFactory::canRun(RunConfiguration *runConfiguration, Ru
     return true;
 }
 
-RunControl *RemoteLinuxRunControlFactory::create(RunConfiguration *runConfig, RunMode mode)
+RunControl *RemoteLinuxRunControlFactory::create(RunConfiguration *runConfig, RunMode mode, QString *errorMessage)
 {
     Q_ASSERT(canRun(runConfig, mode));
 
@@ -92,7 +92,7 @@ RunControl *RemoteLinuxRunControlFactory::create(RunConfiguration *runConfig, Ru
     DebuggerStartParameters params = LinuxDeviceDebugSupport::startParameters(rc);
     if (mode == ProjectExplorer::DebugRunModeWithBreakOnMain)
         params.breakOnMain = true;
-    DebuggerRunControl * const runControl = DebuggerPlugin::createDebugger(params, rc);
+    DebuggerRunControl * const runControl = DebuggerPlugin::createDebugger(params, rc, errorMessage);
     if (!runControl)
         return 0;
     LinuxDeviceDebugSupport * const debugSupport =

src/plugins/remotelinux/remotelinuxruncontrolfactory.h

@@ -46,7 +46,7 @@ public:
     bool canRun(ProjectExplorer::RunConfiguration *runConfiguration,
                 ProjectExplorer::RunMode mode) const;
     ProjectExplorer::RunControl *create(ProjectExplorer::RunConfiguration *runConfiguration,
-                                        ProjectExplorer::RunMode mode);
+                                        ProjectExplorer::RunMode mode, QString *errorMessage);
 };
 
 } // namespace Internal