cppcompletionassist.h 6.63 KB
Newer Older
Leandro Melo's avatar
Leandro Melo committed
1
2
3
4
/**************************************************************************
**
** This file is part of Qt Creator
**
hjk's avatar
hjk committed
5
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
Leandro Melo's avatar
Leandro Melo committed
6
**
7
** Contact: Nokia Corporation (qt-info@nokia.com)
Leandro Melo's avatar
Leandro Melo committed
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
**
**
** GNU Lesser General Public License Usage
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
29
** Nokia at qt-info@nokia.com.
Leandro Melo's avatar
Leandro Melo committed
30
31
32
33
34
35
36
37
38
39
**
**************************************************************************/

#ifndef CPPCOMPLETIONASSIST_H
#define CPPCOMPLETIONASSIST_H

#include <cplusplus/Icons.h>
#include <cplusplus/Overview.h>
#include <cplusplus/TypeOfExpression.h>
#include <cplusplus/CppDocument.h>
Friedemann Kleint's avatar
Friedemann Kleint committed
40
41
42
43
#if QT_VERSION >= 0x050000
// Qt 5 requires the types to be defined for Q_DECLARE_METATYPE
#  include <cplusplus/Symbol.h>
#endif
Leandro Melo's avatar
Leandro Melo committed
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72

#include <texteditor/codeassist/completionassistprovider.h>
#include <texteditor/codeassist/iassistprocessor.h>
#include <texteditor/snippets/snippetassistcollector.h>
#include <texteditor/codeassist/defaultassistinterface.h>

#include <QtCore/QStringList>
#include <QtCore/QVariant>

QT_BEGIN_NAMESPACE
class QTextCursor;
QT_END_NAMESPACE

namespace CPlusPlus {
class LookupItem;
class ClassOrNamespace;
class Function;
class LookupContext;
}

namespace CppTools {
namespace Internal {

class CppCompletionAssistInterface;
class CppAssistProposalModel;

class CppCompletionAssistProvider : public TextEditor::CompletionAssistProvider
{
public:
hjk's avatar
hjk committed
73
    virtual bool supportsEditor(const Core::Id &editorId) const;
Leandro Melo's avatar
Leandro Melo committed
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
    virtual int activationCharSequenceLength() const;
    virtual bool isActivationCharSequence(const QString &sequence) const;
    virtual TextEditor::IAssistProcessor *createProcessor() const;
};

class CppCompletionAssistProcessor : public TextEditor::IAssistProcessor
{
public:
    CppCompletionAssistProcessor();
    virtual ~CppCompletionAssistProcessor();

    virtual TextEditor::IAssistProposal *perform(const TextEditor::IAssistInterface *interface);

private:
    TextEditor::IAssistProposal *createContentProposal();
    TextEditor::IAssistProposal *createHintProposal(QList<CPlusPlus::Function *> symbols) const;
    bool accepts() const;

    int startOfOperator(int pos, unsigned *kind, bool wantFunctionCall) const;
    int findStartOfName(int pos = -1) const;
    int startCompletionHelper();
    bool tryObjCCompletion();
    bool objcKeywordsWanted() const;
    int startCompletionInternal(const QString fileName,
                                unsigned line, unsigned column,
                                const QString &expression,
                                int endOfExpression);

    void completeObjCMsgSend(CPlusPlus::ClassOrNamespace *binding, bool staticClassAccess);
    bool completeInclude(const QTextCursor &cursor);
104
    void completeInclude(const QString &realPath, const QStringList &suffixes);
Leandro Melo's avatar
Leandro Melo committed
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
    void completePreprocessor();
    bool completeConstructorOrFunction(const QList<CPlusPlus::LookupItem> &results,
                                       int endOfExpression,
                                       bool toolTipOnly);
    bool completeMember(const QList<CPlusPlus::LookupItem> &results);
    bool completeScope(const QList<CPlusPlus::LookupItem> &results);
    void completeNamespace(CPlusPlus::ClassOrNamespace *binding);
    void completeClass(CPlusPlus::ClassOrNamespace *b, bool staticLookup = true);
    bool completeQtMethod(const QList<CPlusPlus::LookupItem> &results, bool wantSignals);
    bool completeSignal(const QList<CPlusPlus::LookupItem> &results)
    { return completeQtMethod(results, true); }
    bool completeSlot(const QList<CPlusPlus::LookupItem> &results)
    { return completeQtMethod(results, false); }
    void globalCompletion(CPlusPlus::Scope *scope);

    void addCompletionItem(const QString &text,
                           const QIcon &icon = QIcon(),
                           int order = 0,
                           const QVariant &data = QVariant());
    void addCompletionItem(CPlusPlus::Symbol *symbol);
    void addSnippets();
    void addKeywords();
    void addMacros(const QString &fileName, const CPlusPlus::Snapshot &snapshot);
    void addMacros_helper(const CPlusPlus::Snapshot &snapshot,
                          const QString &fileName,
                          QSet<QString> *processed,
                          QSet<QString> *definedMacros);

    int m_startPosition;
    bool m_objcEnabled;
    QScopedPointer<const CppCompletionAssistInterface> m_interface;
    QList<TextEditor::BasicProposalItem *> m_completions;
    TextEditor::SnippetAssistCollector m_snippetCollector;
    const CppCompletionAssistProvider *m_provider;
    CPlusPlus::Icons m_icons;
    QStringList preprocessorCompletions;
    QScopedPointer<CppAssistProposalModel> m_model;
    TextEditor::IAssistProposal *m_hintProposal;
};

class CppCompletionAssistInterface : public TextEditor::DefaultAssistInterface
{
public:
    CppCompletionAssistInterface(QTextDocument *document,
                                 int position,
                                 Core::IFile *file,
                                 TextEditor::AssistReason reason,
                                 const CPlusPlus::Snapshot &snapshot,
                                 const QStringList &includePaths,
                                 const QStringList &frameworkPaths)
        : TextEditor::DefaultAssistInterface(document, position, file, reason)
        , m_snapshot(snapshot)
        , m_includePaths(includePaths)
        , m_frameworkPaths(frameworkPaths)
    {}

    const CPlusPlus::Snapshot &snapshot() const { return m_snapshot; }
    const QStringList &includePaths() const { return m_includePaths; }
    const QStringList &frameworkPaths() const { return m_frameworkPaths; }

private:
    CPlusPlus::Snapshot m_snapshot;
    QStringList m_includePaths;
    QStringList m_frameworkPaths;
};

} // Internal
} // CppTools

Q_DECLARE_METATYPE(CPlusPlus::Symbol *)

#endif // CPPCOMPLETIONASSIST_H