QmlJS semantic highlighter: Use document instead of widget

Diagnostic ranges also move to document for this.

Change-Id: I82a9909abb57594cdd732448270849e6a2e3a4e0
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@digia.com>

src/plugins/qmljseditor/qmljseditor.cpp

@@ -119,7 +119,7 @@ void QmlJSTextEditorWidget::ctor()
     m_outlineModel = new QmlOutlineModel(this);
     m_contextPane = 0;
     m_findReferences = new FindReferences(this);
-    m_semanticHighlighter = new SemanticHighlighter(this);
+    m_semanticHighlighter = new SemanticHighlighter(m_qmlJsEditorDocument);
 
     setParenthesesMatchingEnabled(true);
     setMarksVisible(true);
@@ -189,11 +189,7 @@ int QmlJSTextEditorWidget::editorRevision() const
 
 QVector<QTextLayout::FormatRange> QmlJSTextEditorWidget::diagnosticRanges() const
 {
-    // this exist mainly because getting the tooltip from the additional formats
-    // requires the use of private api (you have to extract it from
-    // cursor.block().layout()->specialInfo.addFormatIndex (for the .format through .formats.at()),
-    // and use .addFormat to get the range). So a separate bookkeeping is used.
-    return m_diagnosticRanges;
+    return m_qmlJsEditorDocument->diagnosticRanges();
 }
 
 bool QmlJSTextEditorWidget::isSemanticInfoOutdated() const

src/plugins/qmljseditor/qmljseditor.h

@@ -108,7 +108,6 @@ public:
     QmlJSTools::SemanticInfo semanticInfo() const;
     bool isSemanticInfoOutdated() const;
     int editorRevision() const;
-
     QVector<QTextLayout::FormatRange> diagnosticRanges() const;
 
     Internal::QmlOutlineModel *outlineModel() const;
@@ -183,15 +182,12 @@ private:
     QmlJS::ModelManagerInterface *m_modelManager;
 
     QList<TextEditor::QuickFixOperation::Ptr> m_quickFixes;
-    QVector<QTextLayout::FormatRange> m_diagnosticRanges;
 
     QmlJS::IContextPane *m_contextPane;
     int m_oldCursorPosition;
 
     FindReferences *m_findReferences;
     Internal::SemanticHighlighter *m_semanticHighlighter;
-
-    friend class Internal::SemanticHighlighter;
 };
 
 } // namespace QmlJSEditor

src/plugins/qmljseditor/qmljseditordocument.cpp

@@ -514,5 +514,15 @@ bool QmlJSEditorDocument::isSemanticInfoOutdated() const
     return m_d->m_semanticInfo.revision() != document()->revision();
 }
 
+QVector<QTextLayout::FormatRange> QmlJSEditorDocument::diagnosticRanges() const
+{
+    return m_d->m_diagnosticRanges;
+}
+
+void QmlJSEditorDocument::setDiagnosticRanges(const QVector<QTextLayout::FormatRange> &ranges)
+{
+    m_d->m_diagnosticRanges = ranges;
+}
+
 } // Internal
 } // QmlJSEditor

src/plugins/qmljseditor/qmljseditordocument.h

@@ -34,6 +34,8 @@
 #include <qmljstools/qmljssemanticinfo.h>
 #include <texteditor/basetextdocument.h>
 
+#include <QTextLayout>
+
 namespace QmlJSEditor {
 namespace Internal {
 
@@ -48,6 +50,8 @@ public:
 
     const QmlJSTools::SemanticInfo &semanticInfo() const;
     bool isSemanticInfoOutdated() const;
+    QVector<QTextLayout::FormatRange> diagnosticRanges() const;
+    void setDiagnosticRanges(const QVector<QTextLayout::FormatRange> &ranges);
 
 signals:
     void updateCodeWarnings(QmlJS::Document::Ptr doc);

src/plugins/qmljseditor/qmljseditordocument_p.h

@@ -34,6 +34,7 @@
 #include <qmljstools/qmljssemanticinfo.h>
 
 #include <QObject>
+#include <QTextLayout>
 #include <QTimer>
 
 namespace QmlJSEditor {
@@ -64,6 +65,7 @@ public:
     int m_semanticInfoDocRevision; // document revision to which the semantic info is currently updated to
     SemanticInfoUpdater *m_semanticInfoUpdater;
     QmlJSTools::SemanticInfo m_semanticInfo;
+    QVector<QTextLayout::FormatRange> m_diagnosticRanges;
 };
 
 } // Internal

src/plugins/qmljseditor/qmljssemantichighlighter.cpp

@@ -29,7 +29,7 @@
 
 #include "qmljssemantichighlighter.h"
 
-#include "qmljseditor.h"
+#include "qmljseditordocument.h"
 
 #include <qmljs/qmljsdocument.h>
 #include <qmljs/qmljsscopechain.h>
@@ -47,9 +47,10 @@
 #include <texteditor/fontsettings.h>
 #include <utils/qtcassert.h>
 
-#include <QThreadPool>
 #include <QFutureInterface>
 #include <QRunnable>
+#include <QTextDocument>
+#include <QThreadPool>
 
 using namespace QmlJS;
 using namespace QmlJS::AST;
@@ -534,9 +535,9 @@ private:
 
 } // anonymous namespace
 
-SemanticHighlighter::SemanticHighlighter(QmlJSTextEditorWidget *editor)
-    : QObject(editor)
-    , m_editor(editor)
+SemanticHighlighter::SemanticHighlighter(QmlJSEditorDocument *document)
+    : QObject(document)
+    , m_document(document)
     , m_startRevision(0)
 {
     connect(&m_watcher, SIGNAL(resultsReadyAt(int,int)),
@@ -552,7 +553,7 @@ void SemanticHighlighter::rerun(const QmlJSTools::SemanticInfo &semanticInfo)
     // this does not simply use QtConcurrentRun because we want a low-priority future
     // the thread pool deletes the task when it is done
     CollectionTask::Future f = (new CollectionTask(semanticInfo, *this))->start(QThread::LowestPriority);
-    m_startRevision = m_editor->editorRevision();
+    m_startRevision = m_document->document()->revision();
     m_watcher.setFuture(f);
 }
 
@@ -565,33 +566,24 @@ void SemanticHighlighter::applyResults(int from, int to)
 {
     if (m_watcher.isCanceled())
         return;
-    if (m_startRevision != m_editor->editorRevision())
+    if (m_startRevision != m_document->document()->revision())
         return;
 
-    TextEditor::BaseTextDocument *baseTextDocument = m_editor->baseTextDocument();
-    QTC_ASSERT(baseTextDocument, return);
-    TextEditor::SyntaxHighlighter *highlighter = qobject_cast<TextEditor::SyntaxHighlighter *>(baseTextDocument->syntaxHighlighter());
-    QTC_ASSERT(highlighter, return);
-
     TextEditor::SemanticHighlighter::incrementalApplyExtraAdditionalFormats(
-                highlighter, m_watcher.future(), from, to, m_extraFormats);
+                m_document->syntaxHighlighter(), m_watcher.future(), from, to, m_extraFormats);
 }
 
 void SemanticHighlighter::finished()
 {
     if (m_watcher.isCanceled())
         return;
-    if (m_startRevision != m_editor->editorRevision())
+    if (m_startRevision != m_document->document()->revision())
         return;
 
-    TextEditor::BaseTextDocument *baseTextDocument = m_editor->baseTextDocument();
-    QTC_ASSERT(baseTextDocument, return);
-    TextEditor::SyntaxHighlighter *highlighter = qobject_cast<TextEditor::SyntaxHighlighter *>(baseTextDocument->syntaxHighlighter());
-    QTC_ASSERT(highlighter, return);
-    m_editor->m_diagnosticRanges = m_diagnosticRanges;
+    m_document->setDiagnosticRanges(m_diagnosticRanges);
 
     TextEditor::SemanticHighlighter::clearExtraAdditionalFormatsUntilEnd(
-                highlighter, m_watcher.future());
+                m_document->syntaxHighlighter(), m_watcher.future());
 }
 
 void SemanticHighlighter::updateFontSettings(const TextEditor::FontSettings &fontSettings)

src/plugins/qmljseditor/qmljssemantichighlighter.h

@@ -52,10 +52,10 @@ class SemanticInfo;
 
 namespace QmlJSEditor {
 
-class QmlJSTextEditorWidget;
-
 namespace Internal {
 
+class QmlJSEditorDocument;
+
 class SemanticHighlighter : public QObject
 {
     Q_OBJECT
@@ -80,7 +80,7 @@ public:
 
     typedef TextEditor::HighlightingResult Use;
 
-    SemanticHighlighter(QmlJSTextEditorWidget *editor);
+    SemanticHighlighter(QmlJSEditorDocument *document);
 
     void rerun(const QmlJSTools::SemanticInfo &scopeChain);
     void cancel();
@@ -97,7 +97,7 @@ private slots:
 
 private:
     QFutureWatcher<Use>  m_watcher;
-    QmlJSTextEditorWidget *m_editor;
+    QmlJSEditorDocument *m_document;
     int m_startRevision;
     QHash<int, QTextCharFormat> m_formats;
     QHash<int, QTextCharFormat> m_extraFormats;