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o3de/Code/Tools/LuaIDE/Source/LUA/LUAEditorSyntaxHighlighter.hxx

60 lines
1.9 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#if !defined(Q_MOC_RUN)
#include <AzCore/base.h>
#include <QSyntaxHighlighter>
#include <AzCore/Memory/SystemAllocator.h>
#include <AzCore/std/string/string.h>
#include <AzCore/std/containers/unordered_set.h>
#include <QTextEdit>
#endif
#pragma once
namespace LUAEditor
{
class LUASyntaxHighlighter
: public QSyntaxHighlighter
{
Q_OBJECT
public:
class StateMachine;
AZ_CLASS_ALLOCATOR(LUASyntaxHighlighter, AZ::SystemAllocator, 0);
LUASyntaxHighlighter(QWidget* parent);
LUASyntaxHighlighter(QTextDocument* parent);
~LUASyntaxHighlighter();
void highlightBlock(const QString& text) override;
//set to -1 to disable bracket highlighting
void SetBracketHighlighting(int openBracketPos, int closeBracketPos);
void SetFont(QFont font) { m_font = font; }
//this is done using QT extraSelections not regular highlighting
QList<QTextEdit::ExtraSelection> HighlightMatchingNames(const QTextCursor& cursor, const QString& text) const;
//returns empty string if cursor is not currently on a lua name i.e. in a string literal or comment.
QString GetLUAName(const QTextCursor& cursor);
signals:
void LUANamesInScopeChanged(const QStringList& luaNames) const;
private:
void AddBlockKeywords();
StateMachine* m_machine;
AZStd::unordered_set<AZStd::string> m_LUAStartBlockKeywords;
AZStd::unordered_set<AZStd::string> m_LUAEndBlockKeywords;
int m_openBracketPos{-1};
int m_closeBracketPos{-1};
QFont m_font{"OpenSans", 10};
mutable int m_currentScopeBlock{-1};
};
}