CMake: Add heuristics to set "Run in Terminal" flag

For CMake file-api, flag all applications not linking to "QtXGui"
as "Run in Terminal".

Task-number: QTCREATORBUG-21451
Change-Id: I29f086c546d3d8a9f56257e423602f787db42ccd
Reviewed-by: Cristian Adam <cristian.adam@qt.io>

src/plugins/cmakeprojectmanager/cmakebuildsystem.cpp

@@ -554,6 +554,7 @@ const QList<BuildTargetInfo> CMakeBuildSystem::appTargets() const
             bti.projectFilePath = ct.sourceDirectory.stringAppended("/");
             bti.workingDirectory = ct.workingDirectory;
             bti.buildKey = ct.title;
+            bti.usesTerminal = !ct.linksToQtGui;
 
             // Workaround for QTCREATORBUG-19354:
             bti.runEnvModifier = [this](Environment &env, bool) {

src/plugins/cmakeprojectmanager/cmakebuildtarget.h

@@ -53,6 +53,7 @@ public:
     QString title;
     Utils::FilePath executable; // TODO: rename to output?
     TargetType targetType = UtilityType;
+    bool linksToQtGui = false;
     Utils::FilePath workingDirectory;
     Utils::FilePath sourceDirectory;
     Utils::FilePath makeCommand;

src/plugins/cmakeprojectmanager/fileapidataextractor.cpp

@@ -256,6 +256,17 @@ QList<CMakeBuildTarget> generateBuildTargets(const PreprocessedData &input,
                     extractBacktraceInformation(t.backtraceGraph, sourceDir, id.backtrace, 500));
             }
 
+            // Is this a terminal application?
+            if (ct.targetType == ExecutableType && t.link && t.link.value().language == "CXX") {
+                for (const FragmentInfo &f : t.link.value().fragments) {
+                    if (f.role != "libraries")
+                        continue;
+                    if (f.fragment.contains("QtGui") || f.fragment.contains("Qt5Gui")
+                        || f.fragment.contains("Qt6Gui"))
+                        ct.linksToQtGui = true;
+                }
+            }
+
             return ct;
         });
     return result;