ProjectExplorer: Remove an unneeded signal

The only ProjectConfigurationModel instance that needs to react to
runConfigurationsUpdated() was directly accessible at the only place
where the signal got emitted.
A number of further simplifications fell out of that.

Change-Id: I5e61409091c5a0b84667fa8f6da0d7de9fd40e0e
Reviewed-by: hjk <hjk@qt.io>

src/plugins/projectexplorer/buildconfiguration.cpp

@@ -148,8 +148,6 @@ public:
         , m_cleanSteps(bc, Constants::BUILDSTEPS_CLEAN)
         , m_buildDirectoryAspect(bc, bc)
         , m_tooltipAspect(bc)
-        , m_deployConfigurationModel(bc->target())
-        , m_runConfigurationModel(bc->target())
     {}
 
     bool m_clearSystemEnvironment = false;
@@ -770,8 +768,7 @@ void BuildConfiguration::updateDefaultRunConfigurations()
         removeRunConfiguration(rc);
 
     emit runConfigurationsUpdated();
-    if (this == target()->activeBuildConfiguration())
-        emit target()->runConfigurationsUpdated();
+    runConfigurationModel()->triggerUpdate();
 }
 
 const QList<RunConfiguration *> BuildConfiguration::runConfigurations() const

src/plugins/projectexplorer/projectconfigurationmodel.cpp

@@ -3,12 +3,9 @@
 
 #include "projectconfigurationmodel.h"
 
-#include "buildconfiguration.h"
-#include "deployconfiguration.h"
 #include "projectconfiguration.h"
 #include "projectexplorertr.h"
 #include "runconfiguration.h"
-#include "target.h"
 
 #include <utils/stringutils.h>
 
@@ -27,13 +24,6 @@ static bool isOrderedBefore(const ProjectConfiguration *a, const ProjectConfigur
     return Utils::caseFriendlyCompare(a->displayName(), b->displayName()) < 0;
 }
 
-ProjectConfigurationModel::ProjectConfigurationModel(Target *target)
-{
-    connect(target, &Target::runConfigurationsUpdated, this, [this] {
-        emit dataChanged(index(0, 0), index(rowCount(), 0));
-    });
-}
-
 int ProjectConfigurationModel::rowCount(const QModelIndex &parent) const
 {
     return parent.isValid() ? 0 : m_projectConfigurations.size();
@@ -141,4 +131,9 @@ void ProjectConfigurationModel::removeProjectConfiguration(ProjectConfiguration
     endRemoveRows();
 }
 
+void ProjectConfigurationModel::triggerUpdate()
+{
+    emit dataChanged(index(0, 0), index(rowCount(), 0));
+}
+
 } // ProjectExplorer

src/plugins/projectexplorer/projectconfigurationmodel.h

@@ -5,10 +5,7 @@
 
 #include <QAbstractItemModel>
 
-#include <functional>
-
 namespace ProjectExplorer {
-class Target;
 class ProjectConfiguration;
 
 // Documentation inside.
@@ -17,8 +14,6 @@ class ProjectConfigurationModel : public QAbstractListModel
     Q_OBJECT
 
 public:
-    explicit ProjectConfigurationModel(Target *target);
-
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
     int columnCount(const QModelIndex &parent = QModelIndex()) const override;
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
@@ -29,6 +24,8 @@ public:
     void addProjectConfiguration(ProjectConfiguration *pc);
     void removeProjectConfiguration(ProjectConfiguration *pc);
 
+    void triggerUpdate();
+
 private:
     void displayNameChanged(ProjectConfiguration *pc);
 

src/plugins/projectexplorer/target.cpp

@@ -61,9 +61,8 @@ static QString formatDeviceInfo(const ProjectExplorer::IDevice::DeviceInfo &inpu
 class TargetPrivate
 {
 public:
-    TargetPrivate(Target *t, Kit *k) :
-        m_kit(k),
-        m_buildConfigurationModel(t)
+    TargetPrivate(Kit *k)
+        : m_kit(k)
     { }
 
     QIcon m_overlayIcon;
@@ -83,7 +82,7 @@ public:
 
 Target::Target(Project *project, Kit *k, _constructor_tag) :
     QObject(project),
-    d(std::make_unique<TargetPrivate>(this, k))
+    d(std::make_unique<TargetPrivate>(k))
 {
     QTC_CHECK(d->m_kit);
     connect(DeviceManager::instance(), &DeviceManager::updated, this, &Target::updateDeviceState);

src/plugins/projectexplorer/target.h

@@ -107,7 +107,6 @@ signals:
     void removedRunConfiguration(ProjectExplorer::RunConfiguration *rc);
     void addedRunConfiguration(ProjectExplorer::RunConfiguration *rc);
     void activeRunConfigurationChanged(ProjectExplorer::RunConfiguration *rc);
-    void runConfigurationsUpdated();
 
     void removedBuildConfiguration(ProjectExplorer::BuildConfiguration *bc);
     void addedBuildConfiguration(ProjectExplorer::BuildConfiguration *bc);