GlslEditor: Some editor creation related cleanup

Use a BaseEditorFactory derived class, move some code around.

Change-Id: Id560a215102016cdbe21809f97be8fc190ed5cf5
Reviewed-by: Christian Stenger <christian.stenger@digia.com>

10 files changed, 134 insertions, 296 deletions

diff --git a/src/plugins/glsleditor/glslcompletionassist.cpp b/src/plugins/glsleditor/glslcompletionassist.cpp
index 28a7934962..2a6a6ed50b 100644
--- a/src/plugins/glsleditor/glslcompletionassist.cpp
+++ b/src/plugins/glsleditor/glslcompletionassist.cpp
@@ -30,7 +30,6 @@
 #include "glslcompletionassist.h"
 #include "glsleditorconstants.h"
 #include "glsleditorplugin.h"
-#include "reuse.h"
 
 #include <glsl/glslengine.h>
 #include <glsl/glsllexer.h>
@@ -64,6 +63,37 @@ using namespace TextEditor;
 namespace GlslEditor {
 namespace Internal {
 
+Document::Document()
+    : _engine(0)
+    , _ast(0)
+    , _globalScope(0)
+{
+}
+
+Document::~Document()
+{
+    delete _globalScope;
+    delete _engine;
+}
+
+GLSL::Scope *Document::scopeAt(int position) const
+{
+    foreach (const Range &c, _cursors) {
+        if (position >= c.cursor.selectionStart() && position <= c.cursor.selectionEnd())
+            return c.scope;
+    }
+    return _globalScope;
+}
+
+void Document::addRange(const QTextCursor &cursor, GLSL::Scope *scope)
+{
+    Range c;
+    c.cursor = cursor;
+    c.scope = scope;
+    _cursors.append(c);
+}
+
+
 enum CompletionOrder {
     SpecialMemberOrder = -5
 };
diff --git a/src/plugins/glsleditor/glslcompletionassist.h b/src/plugins/glsleditor/glslcompletionassist.h
index 4ab56aa946..39e23bf275 100644
--- a/src/plugins/glsleditor/glslcompletionassist.h
+++ b/src/plugins/glsleditor/glslcompletionassist.h
@@ -39,16 +39,51 @@
 
 #include <utils/qtcoverride.h>
 
-#include <QScopedPointer>
 #include <QIcon>
+#include <QScopedPointer>
+#include <QSharedPointer>
 
-namespace GLSL { class Function; }
+namespace GLSL {
+class Engine;
+class Function;
+class TranslationUnitAST;
+class Scope;
+} // namespace GLSL
 
 namespace TextEditor { class BasicProposalItem; }
 
 namespace GlslEditor {
 namespace Internal {
 
+class Document
+{
+public:
+    typedef QSharedPointer<Document> Ptr;
+
+    Document();
+    ~Document();
+
+    GLSL::Engine *engine() const { return _engine; }
+    GLSL::TranslationUnitAST *ast() const { return _ast; }
+    GLSL::Scope *globalScope() const { return _globalScope; }
+
+    GLSL::Scope *scopeAt(int position) const;
+    void addRange(const QTextCursor &cursor, GLSL::Scope *scope);
+
+private:
+    struct Range {
+        QTextCursor cursor;
+        GLSL::Scope *scope;
+    };
+
+    GLSL::Engine *_engine;
+    GLSL::TranslationUnitAST *_ast;
+    GLSL::Scope *_globalScope;
+    QList<Range> _cursors;
+
+    friend class GlslEditorWidget;
+};
+
 class GlslCompletionAssistInterface;
 
 class GlslCompletionAssistProvider : public TextEditor::CompletionAssistProvider
diff --git a/src/plugins/glsleditor/glsleditor.cpp b/src/plugins/glsleditor/glsleditor.cpp
index 67dbbb0b0c..58a3d461b0 100644
--- a/src/plugins/glsleditor/glsleditor.cpp
+++ b/src/plugins/glsleditor/glsleditor.cpp
@@ -75,7 +75,6 @@
 
 using namespace TextEditor;
 using namespace GLSL;
-using namespace GlslEditor::Constants;
 
 namespace GlslEditor {
 namespace Internal {
@@ -109,35 +108,33 @@ protected:
     }
 };
 
-Document::Document()
-    : _engine(0)
-    , _ast(0)
-    , _globalScope(0)
-{
-}
+//
+//  GlslEditorWidget
+//
 
-Document::~Document()
+class GlslEditorWidget : public BaseTextEditorWidget
 {
-    delete _globalScope;
-    delete _engine;
-}
+public:
+    GlslEditorWidget();
 
-GLSL::Scope *Document::scopeAt(int position) const
-{
-    foreach (const Range &c, _cursors) {
-        if (position >= c.cursor.selectionStart() && position <= c.cursor.selectionEnd())
-            return c.scope;
-    }
-    return _globalScope;
-}
+    int editorRevision() const;
+    bool isOutdated() const;
 
-void Document::addRange(const QTextCursor &cursor, GLSL::Scope *scope)
-{
-    Range c;
-    c.cursor = cursor;
-    c.scope = scope;
-    _cursors.append(c);
-}
+    QSet<QString> identifiers() const;
+
+    IAssistInterface *createAssistInterface(AssistKind assistKind, AssistReason reason) const;
+
+private:
+    BaseTextEditor *createEditor();
+
+    void updateDocumentNow();
+    void setSelectedElements();
+    QString wordUnderCursor() const;
+
+    QTimer m_updateDocumentTimer;
+    QComboBox *m_outlineCombo;
+    Document::Ptr m_glslDocument;
+};
 
 GlslEditorWidget::GlslEditorWidget()
 {
@@ -200,13 +197,6 @@ bool GlslEditorWidget::isOutdated() const
     return false;
 }
 
-bool GlslEditor::open(QString *errorString, const QString &fileName, const QString &realFileName)
-{
-    textDocument()->setMimeType(Core::MimeDatabase::findByFile(QFileInfo(fileName)).type());
-    bool b = BaseTextEditor::open(errorString, fileName, realFileName);
-    return b;
-}
-
 QString GlslEditorWidget::wordUnderCursor() const
 {
     QTextCursor tc = textCursor();
@@ -291,7 +281,7 @@ void GlslEditorWidget::updateDocumentNow()
     }
 }
 
-int GlslEditorWidget::languageVariant(const QString &type)
+int languageVariant(const QString &type)
 {
     int variant = 0;
     bool isVertex = false;
@@ -342,56 +332,55 @@ IAssistInterface *GlslEditorWidget::createAssistInterface(
 }
 
 
-//////////////////////////////////////////////////////////////////
 //
 //  GlslEditor
 //
-//////////////////////////////////////////////////////////////////
 
-GlslEditor::GlslEditor()
+class GlslEditor : public TextEditor::BaseTextEditor
 {
-    addContext(C_GLSLEDITOR_ID);
-    setDuplicateSupported(true);
-    setCommentStyle(Utils::CommentDefinition::CppStyle);
-    setCompletionAssistProvider(ExtensionSystem::PluginManager::getObject<GlslCompletionAssistProvider>());
+public:
+    GlslEditor()
+    {
+        addContext(Constants::C_GLSLEDITOR_ID);
+        setDuplicateSupported(true);
+        setCommentStyle(Utils::CommentDefinition::CppStyle);
+        setCompletionAssistProvider(ExtensionSystem::PluginManager::getObject<GlslCompletionAssistProvider>());
+    }
 
-    setEditorCreator([]() { return new GlslEditor; });
-    setWidgetCreator([]() { return new GlslEditorWidget; });
-
-    setDocumentCreator([]() -> BaseTextDocument * {
-        auto doc = new BaseTextDocument(C_GLSLEDITOR_ID);
-        doc->setIndenter(new GlslIndenter);
-        new Highlighter(doc);
-        return doc;
-    });
-}
+    bool open(QString *errorString, const QString &fileName, const QString &realFileName)
+    {
+        textDocument()->setMimeType(Core::MimeDatabase::findByFile(QFileInfo(fileName)).type());
+        bool b = BaseTextEditor::open(errorString, fileName, realFileName);
+        return b;
+    }
+};
 
 
-//////////////////////////////////////////////////////////////////
 //
 //  GlslEditorFactory
 //
-//////////////////////////////////////////////////////////////////
 
 GlslEditorFactory::GlslEditorFactory()
 {
-    setId(C_GLSLEDITOR_ID);
-    setDisplayName(qApp->translate("OpenWith::Editors", C_GLSLEDITOR_DISPLAY_NAME));
-    addMimeType(GLSL_MIMETYPE);
-    addMimeType(GLSL_MIMETYPE_VERT);
-    addMimeType(GLSL_MIMETYPE_FRAG);
-    addMimeType(GLSL_MIMETYPE_VERT_ES);
-    addMimeType(GLSL_MIMETYPE_FRAG_ES);
-    new TextEditorActionHandler(this, C_GLSLEDITOR_ID,
-                                TextEditorActionHandler::Format
-                                | TextEditorActionHandler::UnCommentSelection
-                                | TextEditorActionHandler::UnCollapseAll);
+    setId(Constants::C_GLSLEDITOR_ID);
+    setDisplayName(qApp->translate("OpenWith::Editors", Constants::C_GLSLEDITOR_DISPLAY_NAME));
+    addMimeType(Constants::GLSL_MIMETYPE);
+    addMimeType(Constants::GLSL_MIMETYPE_VERT);
+    addMimeType(Constants::GLSL_MIMETYPE_FRAG);
+    addMimeType(Constants::GLSL_MIMETYPE_VERT_ES);
+    addMimeType(Constants::GLSL_MIMETYPE_FRAG_ES);
+
+    setDocumentCreator([]() { return new BaseTextDocument(Constants::C_GLSLEDITOR_ID); });
+    setEditorWidgetCreator([]() { return new GlslEditorWidget; });
+    setEditorCreator([]() { return new GlslEditor; });
+    setIndenterCreator([]() { return new GlslIndenter; });
+    setSyntaxHighlighterCreator([]() { return new Highlighter; });
 
-}
+    setEditorActionHandlers(Constants::C_GLSLEDITOR_ID,
+                            TextEditorActionHandler::Format
+                          | TextEditorActionHandler::UnCommentSelection
+                          | TextEditorActionHandler::UnCollapseAll);
 
-Core::IEditor *GlslEditorFactory::createEditor()
-{
-    return new GlslEditor;
 }
 
 } // namespace Internal
diff --git a/src/plugins/glsleditor/glsleditor.h b/src/plugins/glsleditor/glsleditor.h
index 59605bd430..d596860983 100644
--- a/src/plugins/glsleditor/glsleditor.h
+++ b/src/plugins/glsleditor/glsleditor.h
@@ -31,104 +31,18 @@
 #define GLSLEDITOR_H
 
 #include <texteditor/basetexteditor.h>
-#include <coreplugin/editormanager/ieditorfactory.h>
-
-#include <QSharedPointer>
-#include <QSet>
-#include <QTimer>
-
-QT_BEGIN_NAMESPACE
-class QComboBox;
-QT_END_NAMESPACE
-
-namespace GLSL {
-class Engine;
-class TranslationUnitAST;
-class Scope;
-} // namespace GLSL
 
 namespace GlslEditor {
 namespace Internal {
 
-class GlslEditor;
-class GlslEditorWidget;
-
-class Document
-{
-public:
-    typedef QSharedPointer<Document> Ptr;
-
-    Document();
-    ~Document();
-
-    GLSL::Engine *engine() const { return _engine; }
-    GLSL::TranslationUnitAST *ast() const { return _ast; }
-    GLSL::Scope *globalScope() const { return _globalScope; }
-
-    GLSL::Scope *scopeAt(int position) const;
-    void addRange(const QTextCursor &cursor, GLSL::Scope *scope);
-
-private:
-    struct Range {
-        QTextCursor cursor;
-        GLSL::Scope *scope;
-    };
-
-    GLSL::Engine *_engine;
-    GLSL::TranslationUnitAST *_ast;
-    GLSL::Scope *_globalScope;
-    QList<Range> _cursors;
-
-    friend class GlslEditorWidget;
-};
-
-class GlslEditorWidget : public TextEditor::BaseTextEditorWidget
-{
-    Q_OBJECT
-
-public:
-    GlslEditorWidget();
-
-    int editorRevision() const;
-    bool isOutdated() const;
-
-    QSet<QString> identifiers() const;
-
-    static int languageVariant(const QString &mimeType);
-
-    TextEditor::IAssistInterface *createAssistInterface(TextEditor::AssistKind assistKind,
-                                                        TextEditor::AssistReason reason) const;
-
-private:
-    TextEditor::BaseTextEditor *createEditor();
-
-    void updateDocumentNow();
-    void setSelectedElements();
-    QString wordUnderCursor() const;
-
-    QTimer m_updateDocumentTimer;
-    QComboBox *m_outlineCombo;
-    Document::Ptr m_glslDocument;
-};
+int languageVariant(const QString &mimeType);
 
-class GlslEditor : public TextEditor::BaseTextEditor
-{
-    Q_OBJECT
-
-public:
-    GlslEditor();
-
-    bool open(QString *errorString, const QString &fileName, const QString &realFileName);
-};
-
-class GlslEditorFactory : public Core::IEditorFactory
+class GlslEditorFactory : public TextEditor::BaseTextEditorFactory
 {
     Q_OBJECT
 
 public:
     GlslEditorFactory();
-
-    Core::IEditor *createEditor();
 };
 
 } // namespace Internal
diff --git a/src/plugins/glsleditor/glsleditor.pro b/src/plugins/glsleditor/glsleditor.pro
index 579e483a09..f2d6fc788c 100644
--- a/src/plugins/glsleditor/glsleditor.pro
+++ b/src/plugins/glsleditor/glsleditor.pro
@@ -12,8 +12,7 @@ glslhighlighter.h \
 glslautocompleter.h \
 glslindenter.h \
 glslhoverhandler.h \
-    glslcompletionassist.h \
-    reuse.h
+glslcompletionassist.h
 
 SOURCES += \
 glsleditor.cpp \
@@ -23,7 +22,6 @@ glslhighlighter.cpp \
 glslautocompleter.cpp \
 glslindenter.cpp \
 glslhoverhandler.cpp \
-    glslcompletionassist.cpp \
-    reuse.cpp
+glslcompletionassist.cpp
 
 RESOURCES += glsleditor.qrc
diff --git a/src/plugins/glsleditor/glsleditor.qbs b/src/plugins/glsleditor/glsleditor.qbs
index c1b1b4da19..efff01a1e8 100644
--- a/src/plugins/glsleditor/glsleditor.qbs
+++ b/src/plugins/glsleditor/glsleditor.qbs
@@ -34,7 +34,5 @@ QtcPlugin {
         "glslhoverhandler.h",
         "glslindenter.cpp",
         "glslindenter.h",
-        "reuse.cpp",
-        "reuse.h",
     ]
 }
diff --git a/src/plugins/glsleditor/glslhighlighter.cpp b/src/plugins/glsleditor/glslhighlighter.cpp
index 4b98fa9493..f8e01e92b3 100644
--- a/src/plugins/glsleditor/glslhighlighter.cpp
+++ b/src/plugins/glsleditor/glslhighlighter.cpp
@@ -92,7 +92,7 @@ void Highlighter::highlightBlock(const QString &text)
     lex.setState(state);
     lex.setScanKeywords(false);
     lex.setScanComments(true);
-    const int variant = GlslEditorWidget::languageVariant(parent()
+    const int variant = languageVariant(parent()
                          ? static_cast<BaseTextDocument*>(parent())->mimeType()
                          : QString());
     lex.setVariant(variant);
diff --git a/src/plugins/glsleditor/glslhoverhandler.cpp b/src/plugins/glsleditor/glslhoverhandler.cpp
index 4fa4a114af..ef2232fa3c 100644
--- a/src/plugins/glsleditor/glslhoverhandler.cpp
+++ b/src/plugins/glsleditor/glslhoverhandler.cpp
@@ -29,6 +29,7 @@
 
 #include "glslhoverhandler.h"
 #include "glsleditor.h"
+#include "glsleditorconstants.h"
 
 #include <coreplugin/editormanager/ieditor.h>
 #include <coreplugin/editormanager/editormanager.h>
@@ -36,8 +37,6 @@
 #include <extensionsystem/pluginmanager.h>
 #include <texteditor/basetexteditor.h>
 
-#include <QTextCursor>
-
 using namespace Core;
 
 namespace GlslEditor {
@@ -51,15 +50,13 @@ GlslHoverHandler::~GlslHoverHandler()
 
 bool GlslHoverHandler::acceptEditor(IEditor *editor)
 {
-    return qobject_cast<GlslEditor *>(editor) != 0;
+    return editor->context().contains(Constants::C_GLSLEDITOR_ID);
 }
 
 void GlslHoverHandler::identifyMatch(TextEditor::BaseTextEditor *editor, int pos)
 {
-    if (GlslEditorWidget *glslEditor = qobject_cast<GlslEditorWidget *>(editor->widget())) {
-        if (! glslEditor->extraSelectionTooltip(pos).isEmpty())
-            setToolTip(glslEditor->extraSelectionTooltip(pos));
-    }
+    if (!editor->editorWidget()->extraSelectionTooltip(pos).isEmpty())
+        setToolTip(editor->editorWidget()->extraSelectionTooltip(pos));
 }
 
 void GlslHoverHandler::decorateToolTip()
diff --git a/src/plugins/glsleditor/reuse.cpp b/src/plugins/glsleditor/reuse.cpp
deleted file mode 100644
index 5d6266bc21..0000000000
--- a/src/plugins/glsleditor/reuse.cpp
+++ /dev/null
@@ -1,80 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of Qt Creator.
-**
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Digia.  For licensing terms and
-** conditions see http://qt.digia.com/licensing.  For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights.  These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-****************************************************************************/
-
-#include "reuse.h"
-
-#include <QLatin1String>
-
-#include <glsl/glsllexer.h>
-
-using namespace GLSL;
-
-namespace GlslEditor {
-namespace Internal {
-
-int languageVariant(const QString &mimeType)
-{
-    int variant = 0;
-    bool isVertex = false;
-    bool isFragment = false;
-    bool isDesktop = false;
-    if (mimeType.isEmpty()) {
-        // ### Before file has been opened, so don't know the mime type.
-        isVertex = true;
-        isFragment = true;
-    } else if (mimeType == QLatin1String("text/x-glsl") ||
-               mimeType == QLatin1String("application/x-glsl")) {
-        isVertex = true;
-        isFragment = true;
-        isDesktop = true;
-    } else if (mimeType == QLatin1String("text/x-glsl-vert")) {
-        isVertex = true;
-        isDesktop = true;
-    } else if (mimeType == QLatin1String("text/x-glsl-frag")) {
-        isFragment = true;
-        isDesktop = true;
-    } else if (mimeType == QLatin1String("text/x-glsl-es-vert")) {
-        isVertex = true;
-    } else if (mimeType == QLatin1String("text/x-glsl-es-frag")) {
-        isFragment = true;
-    }
-    if (isDesktop)
-        variant |= Lexer::Variant_GLSL_120;
-    else
-        variant |= Lexer::Variant_GLSL_ES_100;
-    if (isVertex)
-        variant |= Lexer::Variant_VertexShader;
-    if (isFragment)
-        variant |= Lexer::Variant_FragmentShader;
-    return variant;
-}
-
-} // namespace Internal
-} // namespace GlslEditor
-
diff --git a/src/plugins/glsleditor/reuse.h b/src/plugins/glsleditor/reuse.h
deleted file mode 100644
index e0f88973cd..0000000000
--- a/src/plugins/glsleditor/reuse.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
-** Contact: http://www.qt-project.org/legal
-**
-** This file is part of Qt Creator.
-**
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and Digia.  For licensing terms and
-** conditions see http://qt.digia.com/licensing.  For further information
-** use the contact form at http://qt.digia.com/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file.  Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Digia gives you certain additional
-** rights.  These rights are described in the Digia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-****************************************************************************/
-
-#ifndef REUSE_H
-#define REUSE_H
-
-#include <QtGlobal>
-
-namespace GlslEditor {
-namespace Internal {
-
-int languageVariant(const QString &mimeType);
-
-} // namespace Internal
-} // namespace GlslEditor
-
-#endif // REUSE_H