60 lines
1.1 KiB
C++
60 lines
1.1 KiB
C++
#pragma once
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#ifndef TNZ_EXPRESSIONFIELD_INCLUDED
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#define TNZ_EXPRESSIONFIELD_INCLUDED
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#include "tw/textfield.h"
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#undef DVAPI
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#undef DVVAR
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#ifdef TWIN_EXPORTS
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#define DVAPI DV_EXPORT_API
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#define DVVAR DV_EXPORT_VAR
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#else
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#define DVAPI DV_IMPORT_API
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#define DVVAR DV_IMPORT_VAR
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#endif
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#ifdef WIN32
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#pragma warning(push)
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#pragma warning(disable : 4251)
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#endif
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// forward declaration
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namespace TSyntax {
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class Parser;
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class Grammar;
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}
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class DVAPI TExpressionField : public TTextField {
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public:
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class Listener {
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public:
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virtual void onExpressionChange(string s, bool isValid) = 0;
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virtual ~Listener() {}
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};
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TSyntax::Parser *m_parser;
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Listener *m_listener;
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void apply();
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public:
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TExpressionField(TWidget *parent, string name = "expressionField");
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~TExpressionField();
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void setGrammar(TSyntax::Grammar *grammar);
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TSyntax::Grammar *getGrammar() const;
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void setListener(Listener *listener) { m_listener = listener; }
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void keyDown(int key, TUINT32 status, const TPoint &p);
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void drawFieldText(const TPoint &origin, wstring text);
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string getError() const;
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};
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#ifdef WIN32
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#pragma warning(pop)
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#endif
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#endif
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