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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "glslindenter.h"
#include <cppeditor/cppcodeformatter.h>
#include <cppeditor/cpptoolssettings.h>
#include <cppeditor/cppcodestylepreferences.h>
#include <texteditor/tabsettings.h>
#include <QTextDocument>
#include <QTextBlock>
#include <QTextCursor>
namespace GlslEditor::Internal {
class GlslIndenter final : public TextEditor::TextIndenter
{
public:
explicit GlslIndenter(QTextDocument *doc)
: TextEditor::TextIndenter(doc)
{}
bool isElectricCharacter(const QChar &ch) const final;
void indentBlock(const QTextBlock &block,
const QChar &typedChar,
const TextEditor::TabSettings &tabSettings,
int cursorPositionInEditor = -1) final;
void indent(const QTextCursor &cursor,
const QChar &typedChar,
const TextEditor::TabSettings &tabSettings,
int cursorPositionInEditor = -1) final;
int indentFor(const QTextBlock &block,
const TextEditor::TabSettings &tabSettings,
int cursorPositionInEditor = -1) final;
TextEditor::IndentationForBlock indentationForBlocks(const QVector<QTextBlock> &blocks,
const TextEditor::TabSettings &tabSettings,
int cursorPositionInEditor = -1) final;
};
bool GlslIndenter::isElectricCharacter(const QChar &ch) const
{
return ch == QLatin1Char('{') || ch == QLatin1Char('}') || ch == QLatin1Char(':')
|| ch == QLatin1Char('#');
}
void GlslIndenter::indentBlock(const QTextBlock &block,
const QChar &typedChar,
const TextEditor::TabSettings &tabSettings,
int /*cursorPositionInEditor*/)
{
// TODO: do something with it
CppEditor::QtStyleCodeFormatter
codeFormatter(tabSettings, CppEditor::CppToolsSettings::cppCodeStyle()->codeStyleSettings());
codeFormatter.updateStateUntil(block);
int indent;
int padding;
codeFormatter.indentFor(block, &indent, &padding);
// Only reindent the current line when typing electric characters if the
// indent is the same it would be if the line were empty.
if (isElectricCharacter(typedChar)) {
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 GlslIndenter::indent(const QTextCursor &cursor,
const QChar &typedChar,
const TextEditor::TabSettings &tabSettings,
int /*cursorPositionInEditor*/)
{
if (cursor.hasSelection()) {
QTextBlock block = m_doc->findBlock(cursor.selectionStart());
const QTextBlock end = m_doc->findBlock(cursor.selectionEnd()).next();
// TODO: do something with it
CppEditor::QtStyleCodeFormatter codeFormatter(tabSettings,
CppEditor::CppToolsSettings::cppCodeStyle()
->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(cursor.block(), typedChar, tabSettings);
}
}
int GlslIndenter::indentFor(const QTextBlock &block,
const TextEditor::TabSettings &tabSettings,
int /*cursorPositionInEditor*/)
{
CppEditor::QtStyleCodeFormatter
codeFormatter(tabSettings, CppEditor::CppToolsSettings::cppCodeStyle()->codeStyleSettings());
codeFormatter.updateStateUntil(block);
int indent;
int padding;
codeFormatter.indentFor(block, &indent, &padding);
return indent;
}
TextEditor::IndentationForBlock GlslIndenter::indentationForBlocks(
const QVector<QTextBlock> &blocks,
const TextEditor::TabSettings &tabSettings,
int /*cursorPositionInEditor*/)
{
CppEditor::QtStyleCodeFormatter
codeFormatter(tabSettings, CppEditor::CppToolsSettings::cppCodeStyle()->codeStyleSettings());
codeFormatter.updateStateUntil(blocks.last());
TextEditor::IndentationForBlock ret;
for (const QTextBlock &block : blocks) {
int indent;
int padding;
codeFormatter.indentFor(block, &indent, &padding);
ret.insert(block.blockNumber(), indent);
}
return ret;
}
TextEditor::TextIndenter *createGlslIndenter(QTextDocument *doc)
{
return new GlslIndenter(doc);
}
} // GlslEditor::Internal
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