Implement syntax highlighting in diff editor

All Qt Creator's main highlighters are used in the first place,
for other mimetypes generic highlighter is used as a fallback.

Task-number: QTCREATORBUG-9580

Change-Id: I863b9085520e5bdda142ce88f2074afeacee0531
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Petar Perisin <petar.perisin@gmail.com>
Reviewed-by: Jarek Kobus <jaroslaw.kobus@digia.com>

src/plugins/cmakeprojectmanager/cmakehighlighterfactory.cpp

@@ -0,0 +1,45 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 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 "cmakehighlighterfactory.h"
+#include "cmakeprojectconstants.h"
+#include "cmakehighlighter.h"
+
+using namespace CMakeProjectManager::Internal;
+
+CMakeHighlighterFactory::CMakeHighlighterFactory()
+{
+    setId(CMakeProjectManager::Constants::CMAKE_EDITOR_ID);
+    addMimeType(CMakeProjectManager::Constants::CMAKEMIMETYPE);
+}
+
+TextEditor::SyntaxHighlighter *CMakeHighlighterFactory::createHighlighter() const
+{
+    return new CMakeHighlighter;
+}

src/plugins/cmakeprojectmanager/cmakehighlighterfactory.h

@@ -0,0 +1,51 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 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 CMAKEHIGHLIGHTERFACTORY_H
+#define CMAKEHIGHLIGHTERFACTORY_H
+
+#include <texteditor/ihighlighterfactory.h>
+
+namespace CMakeProjectManager {
+namespace Internal {
+
+class CMakeHighlighterFactory : public TextEditor::IHighlighterFactory
+{
+    Q_OBJECT
+
+public:
+    CMakeHighlighterFactory();
+
+    virtual TextEditor::SyntaxHighlighter *createHighlighter() const;
+};
+
+} // namespace Internal
+} // namespace CMakeProjectManager
+
+#endif // CMAKEHIGHLIGHTERFACTORY_H

src/plugins/cmakeprojectmanager/cmakeprojectmanager.pro

@@ -12,6 +12,7 @@ HEADERS = cmakeproject.h \
     cmakeeditorfactory.h \
     cmakeeditor.h \
     cmakehighlighter.h \
+    cmakehighlighterfactory.h \
     cmakelocatorfilter.h \
     cmakefilecompletionassist.h \
     cmakevalidator.h \
@@ -28,6 +29,7 @@ SOURCES = cmakeproject.cpp \
     cmakeeditorfactory.cpp \
     cmakeeditor.cpp \
     cmakehighlighter.cpp \
+    cmakehighlighterfactory.cpp \
     cmakelocatorfilter.cpp \
     cmakefilecompletionassist.cpp \
     cmakevalidator.cpp \

src/plugins/cmakeprojectmanager/cmakeprojectmanager.qbs

@@ -30,6 +30,8 @@ QtcPlugin {
         "cmakefilecompletionassist.h",
         "cmakehighlighter.cpp",
         "cmakehighlighter.h",
+        "cmakehighlighterfactory.cpp",
+        "cmakehighlighterfactory.h",
         "cmakelocatorfilter.cpp",
         "cmakelocatorfilter.h",
         "cmakeopenprojectwizard.cpp",

src/plugins/cmakeprojectmanager/cmakeprojectplugin.cpp

@@ -36,6 +36,7 @@
 #include "cmakeprojectconstants.h"
 #include "cmakelocatorfilter.h"
 #include "cmakefilecompletionassist.h"
+#include "cmakehighlighterfactory.h"
 
 #include <coreplugin/featureprovider.h>
 #include <coreplugin/icore.h>
@@ -82,6 +83,7 @@ bool CMakeProjectPlugin::initialize(const QStringList & /*arguments*/, QString *
     addAutoReleasedObject(new CMakeLocatorFilter);
     addAutoReleasedObject(new CMakeFileCompletionAssistProvider(cmp));
     addAutoReleasedObject(new CMakeFeatureProvider);
+    addAutoReleasedObject(new CMakeHighlighterFactory);
     return true;
 }