Locator: Use QJSEngine for script locator filter

QJSEngine is interruptible since Qt 5.14. Make that the requirement for
the script locator filter and remove (optional) dependency on QtScript.

Change-Id: I3d6df04571441ddf152a213f0053c46e3cb317fa
Reviewed-by: André Hartmann <aha_1980@gmx.de>
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/coreplugin/CMakeLists.txt

@@ -179,9 +179,8 @@ extend_qtc_plugin(Core
 )
 
 extend_qtc_plugin(Core
-  CONDITION TARGET Qt5::Script
+  CONDITION Qt5_VERSION VERSION_GREATER_EQUAL 5.14.0
   FEATURE_INFO "Script Locator filter"
-  DEPENDS Qt5::Script
   DEFINES WITH_JAVASCRIPTFILTER
   SOURCES
     locator/javascriptfilter.cpp locator/javascriptfilter.h

src/plugins/coreplugin/coreplugin.qbs

@@ -1,5 +1,6 @@
 import qbs 1.0
 import qbs.FileInfo
+import qbs.Utilities
 
 Project {
     name: "Core"
@@ -17,15 +18,13 @@ Project {
             condition: qbs.targetOS.contains("windows")
         }
 
-        Depends { name: "Qt.script"; required: false }
-
         Depends { name: "Utils" }
         Depends { name: "Aggregation" }
 
         Depends { name: "app_version_header" }
 
         Properties {
-            condition: Qt.script.present
+            condition: Utilities.versionCompare(Qt.qml.version, "5.14.0") >= 0
             cpp.defines: base.concat("WITH_JAVASCRIPTFILTER")
         }
 
@@ -379,7 +378,7 @@ Project {
 
         Group {
             name: "Locator Javascript Filter"
-            condition: Qt.script.present
+            condition: Utilities.versionCompare(Qt.qml.version, "5.14.0") >= 0
             prefix: "locator/"
             files: [
                 "javascriptfilter.cpp",

src/plugins/coreplugin/locator/javascriptfilter.cpp

@@ -27,7 +27,7 @@
 
 #include <QClipboard>
 #include <QGuiApplication>
-#include <QScriptEngine>
+#include <QJSEngine>
 
 namespace Core {
 namespace Internal {
@@ -48,8 +48,8 @@ JavaScriptFilter::JavaScriptFilter()
     m_abortTimer.setInterval(1000);
     connect(&m_abortTimer, &QTimer::timeout, this, [this] {
         m_aborted = true;
-        if (m_engine && m_engine->isEvaluating())
-            m_engine->abortEvaluation();
+        if (m_engine)
+            m_engine->setInterrupted(true);
     });
 }
 
@@ -63,6 +63,7 @@ void JavaScriptFilter::prepareSearch(const QString &entry)
 
     if (!m_engine)
         setupEngine();
+    m_engine->setInterrupted(false);
     m_aborted = false;
     m_abortTimer.start();
 }
@@ -118,7 +119,7 @@ void JavaScriptFilter::refresh(QFutureInterface<void> &future)
 
 void JavaScriptFilter::setupEngine()
 {
-    m_engine.reset(new QScriptEngine);
+    m_engine.reset(new QJSEngine);
     m_engine->evaluate(
                 "function abs(x) { return Math.abs(x); }\n"
                 "function acos(x) { return Math.acos(x); }\n"

src/plugins/coreplugin/locator/javascriptfilter.h

@@ -32,7 +32,7 @@
 #include <memory>
 
 QT_BEGIN_NAMESPACE
-class QScriptEngine;
+class QJSEngine;
 QT_END_NAMESPACE
 
 namespace Core {
@@ -55,7 +55,7 @@ public:
 private:
     void setupEngine();
 
-    mutable std::unique_ptr<QScriptEngine> m_engine;
+    mutable std::unique_ptr<QJSEngine> m_engine;
     QTimer m_abortTimer;
     bool m_aborted = false;
 };

src/plugins/coreplugin/locator/locator.pri

@@ -38,9 +38,7 @@ SOURCES += \
 FORMS += \
     $$PWD/urllocatorfilter.ui
 
-qtHaveModule(script) {
-    QT *= script
-
+minQtVersion(5, 14, 0) {
     DEFINES += WITH_JAVASCRIPTFILTER
 
     HEADERS += \