1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
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
73
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
104
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
|
/****************************************************************************
**
** Copyright (C) 2012 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 "cppqtstyleindenter.h"
#include "cppcodeformatter.h"
#include "cpptoolssettings.h"
#include "cppcodestylepreferences.h"
#include "cpptoolsconstants.h"
#include <texteditor/tabsettings.h>
#include <texteditor/texteditorsettings.h>
#include <QChar>
#include <QTextDocument>
#include <QTextBlock>
#include <QTextCursor>
using namespace CppTools;
CppQtStyleIndenter::CppQtStyleIndenter()
: m_cppCodeStylePreferences(0)
{
// Just for safety. setCodeStylePreferences should be called when the editor the
// indenter belongs to gets initialized.
m_cppCodeStylePreferences = CppToolsSettings::instance()->cppCodeStyle();
}
CppQtStyleIndenter::~CppQtStyleIndenter()
{}
bool CppQtStyleIndenter::isElectricCharacter(const QChar &ch) const
{
if (ch == QLatin1Char('{') ||
ch == QLatin1Char('}') ||
ch == QLatin1Char(':') ||
ch == QLatin1Char('#')) {
return true;
}
return false;
}
static bool colonIsElectric(const QString &text)
{
// switch cases and access declarations should be reindented
if (text.contains(QLatin1String("case"))
|| text.contains(QLatin1String("default"))
|| text.contains(QLatin1String("public"))
|| text.contains(QLatin1String("private"))
|| text.contains(QLatin1String("protected"))
|| text.contains(QLatin1String("signals"))
|| text.contains(QLatin1String("Q_SIGNALS"))) {
return true;
}
// lines that start with : might have a constructor initializer list
const QString trimmedtext = text.trimmed();
if (!trimmedtext.isEmpty() && trimmedtext.at(0) == QLatin1Char(':'))
return true;
return false;
}
void CppQtStyleIndenter::indentBlock(QTextDocument *doc,
const QTextBlock &block,
const QChar &typedChar,
const TextEditor::TabSettings &tabSettings)
{
Q_UNUSED(doc)
CppTools::QtStyleCodeFormatter codeFormatter(tabSettings, codeStyleSettings());
codeFormatter.updateStateUntil(block);
int indent;
int padding;
codeFormatter.indentFor(block, &indent, &padding);
if (isElectricCharacter(typedChar)) {
// : should not be electric for labels
if (typedChar == QLatin1Char(':') && !colonIsElectric(block.text()))
return;
// only reindent the current line when typing electric characters if the
// indent is the same it would be if the line were empty
int newlineIndent;
int newlinePadding;
codeFormatter.indentForNewLineAfter(block.previous(), &newlineIndent, &newlinePadding);
if (tabSettings.indentationColumn(block.text()) != newlineIndent + newlinePadding)
return;
}
tabSettings.indentLine(block, indent + padding, padding);
}
void CppQtStyleIndenter::indent(QTextDocument *doc,
const QTextCursor &cursor,
const QChar &typedChar,
const TextEditor::TabSettings &tabSettings)
{
if (cursor.hasSelection()) {
QTextBlock block = doc->findBlock(cursor.selectionStart());
const QTextBlock end = doc->findBlock(cursor.selectionEnd()).next();
CppTools::QtStyleCodeFormatter codeFormatter(tabSettings, codeStyleSettings());
codeFormatter.updateStateUntil(block);
QTextCursor tc = cursor;
tc.beginEditBlock();
do {
int indent;
int padding;
codeFormatter.indentFor(block, &indent, &padding);
tabSettings.indentLine(block, indent + padding, padding);
codeFormatter.updateLineStateChange(block);
block = block.next();
} while (block.isValid() && block != end);
tc.endEditBlock();
} else {
indentBlock(doc, cursor.block(), typedChar, tabSettings);
}
}
void CppQtStyleIndenter::setCodeStylePreferences(TextEditor::ICodeStylePreferences *preferences)
{
CppTools::CppCodeStylePreferences *cppCodeStylePreferences
= qobject_cast<CppTools::CppCodeStylePreferences *>(preferences);
if (cppCodeStylePreferences)
m_cppCodeStylePreferences = cppCodeStylePreferences;
}
void CppQtStyleIndenter::invalidateCache(QTextDocument *doc)
{
CppTools::QtStyleCodeFormatter formatter;
formatter.invalidateCache(doc);
}
CppCodeStyleSettings CppQtStyleIndenter::codeStyleSettings() const
{
if (m_cppCodeStylePreferences)
return m_cppCodeStylePreferences->currentCodeStyleSettings();
return CppCodeStyleSettings();
}
|
