Projucer: Made some usability and reliability improvements to the live-build engine

extras/Projucer/Source/LiveBuildEngine/jucer_CompileEngineClient.cpp

@@ -264,7 +264,11 @@ private:
     void* server;
    #endif
 
-    void timerCallback()    { owner.handleCrash (String()); }
+    void timerCallback()
+    {
+        stopTimer();
+        owner.handleCrash (String());
+    }
 };
 
 //==============================================================================

extras/Projucer/Source/LiveBuildEngine/jucer_CompileEngineClient.h

@@ -144,9 +144,7 @@ struct ChildProcessCache
 
     void removeOrphans()
     {
-        for (int i = processes.size(); --i >= 0;)
-            if (processes.getObjectPointerUnchecked (i)->getReferenceCount() <= 1)
-                processes.remove (i);
+        processes.clear();
     }
 
 private:

extras/Projucer/Source/Project/UI/jucer_ProjectContentComponent.cpp

@@ -1129,16 +1129,19 @@ void ProjectContentComponent::killChildProcess()
     }
 }
 
-void ProjectContentComponent::setBuildEnabled (bool b)
+void ProjectContentComponent::setBuildEnabled (bool isEnabled, bool displayError)
 {
-    if (project != nullptr && b != isBuildEnabled())
+    if (project != nullptr && isEnabled != isBuildEnabled())
     {
-        LiveBuildProjectSettings::setBuildDisabled (*project, ! b);
+        if (! displayError)
+            lastCrashMessage = {};
+
+        LiveBuildProjectSettings::setBuildDisabled (*project, ! isEnabled);
         killChildProcess();
         refreshTabsIfBuildStatusChanged();
 
         if (auto* h = dynamic_cast<HeaderComponent*> (header.get()))
-            h->updateBuildButtons (b, isContinuousRebuildEnabled());
+            h->updateBuildButtons (isEnabled, isContinuousRebuildEnabled());
     }
 }
 
@@ -1159,7 +1162,7 @@ void ProjectContentComponent::handleCrash (const String& message)
 
     if (project != nullptr)
     {
-        setBuildEnabled (false);
+        setBuildEnabled (false, true);
         showBuildTab();
     }
 }
@@ -1316,7 +1319,7 @@ void ProjectContentComponent::handleMissingSystemHeaders()
     const String alertWindowMessage = "Missing system headers\nPlease do sudo apt-get install ...";
    #endif
 
-    setBuildEnabled (false);
+    setBuildEnabled (false, true);
 
     deleteProjectTabs();
     createProjectTabs();

extras/Projucer/Source/Project/UI/jucer_ProjectContentComponent.h

@@ -118,7 +118,7 @@ public:
     void cleanAll();
     void handleMissingSystemHeaders();
     bool isBuildTabEnabled() const;
-    void setBuildEnabled (bool);
+    void setBuildEnabled (bool enabled, bool displayError = false);
     bool isBuildEnabled() const;
     bool areWarningsEnabled() const;