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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** 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 The Qt Company. For licensing terms and
** conditions see http://www.qt.io/terms-conditions. For further information
** use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef GLSLCOMPLETIONASSIST_H
#define GLSLCOMPLETIONASSIST_H
#include "glsleditor.h"
#include <texteditor/codeassist/completionassistprovider.h>
#include <texteditor/codeassist/iassistprocessor.h>
#include <texteditor/codeassist/assistinterface.h>
#include <texteditor/codeassist/ifunctionhintproposalmodel.h>
#include <QIcon>
#include <QScopedPointer>
#include <QSharedPointer>
namespace GLSL {
class Engine;
class Function;
class TranslationUnitAST;
class Scope;
} // namespace GLSL
namespace TextEditor { class AssistProposalItem; }
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
{
Q_OBJECT
public:
bool supportsEditor(Core::Id editorId) const override;
TextEditor::IAssistProcessor *createProcessor() const override;
int activationCharSequenceLength() const override;
bool isActivationCharSequence(const QString &sequence) const override;
};
class GlslCompletionAssistProcessor : public TextEditor::IAssistProcessor
{
public:
GlslCompletionAssistProcessor();
~GlslCompletionAssistProcessor();
TextEditor::IAssistProposal *perform(const TextEditor::AssistInterface *interface) override;
private:
TextEditor::IAssistProposal *createHintProposal(const QVector<GLSL::Function *> &symbols);
bool acceptsIdleEditor() const;
int m_startPosition;
QScopedPointer<const GlslCompletionAssistInterface> m_interface;
QIcon m_keywordIcon;
QIcon m_varIcon;
QIcon m_functionIcon;
QIcon m_typeIcon;
QIcon m_constIcon;
QIcon m_attributeIcon;
QIcon m_uniformIcon;
QIcon m_varyingIcon;
QIcon m_otherIcon;
};
class GlslCompletionAssistInterface : public TextEditor::AssistInterface
{
public:
GlslCompletionAssistInterface(QTextDocument *textDocument,
int position, const QString &fileName,
TextEditor::AssistReason reason,
const QString &mimeType,
const Document::Ptr &glslDoc);
const QString &mimeType() const { return m_mimeType; }
const Document::Ptr &glslDocument() const { return m_glslDoc; }
private:
QString m_mimeType;
Document::Ptr m_glslDoc;
};
} // namespace Internal
} // namespace GlslEditor
#endif // GLSLCOMPLETIONASSIST_H
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