RC: Make sure a configured RC is active after opening a project

Select the RC a bit more sensibly:
 * Try to find a RC with the same name as the project first
 * If that fails: Take the first RC in the project

Change-Id: I7bb70826259a203c383eadc8dc9c3ac07f53fd6b
Reviewed-by: Daniel Teske <daniel.teske@digia.com>

src/plugins/projectexplorer/target.cpp

@@ -671,6 +671,24 @@ void Target::updateDefaultRunConfigurations()
         addRunConfiguration(rc);
     foreach (RunConfiguration *rc, newUnconfigured)
         addRunConfiguration(rc);
+
+    // Make sure a configured RC is active:
+    if (activeRunConfiguration() && !activeRunConfiguration()->isConfigured()) {
+        if (!existingConfigured.isEmpty() && existingConfigured.at(0)->isConfigured())
+            setActiveRunConfiguration(existingConfigured.at(0));
+        else if (!newConfigured.isEmpty()) {
+            RunConfiguration *selected = newConfigured.at(0);
+            // Try to find a runconfiguration that matches the project name. That is a good
+            // candidate for something to run initially.
+            foreach (RunConfiguration *rc, newConfigured) {
+                if (rc->displayName() == project()->displayName()) {
+                    selected = rc;
+                    break;
+                }
+            }
+            setActiveRunConfiguration(selected);
+        }
+    }
 }
 
 QVariant Target::namedSettings(const QString &name) const