d1f6c4e95b
* add final specifiers * apply clang-format * fix for macOS
89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
#pragma once
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#ifndef EXPRESSIONFIELD_H
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#define EXPRESSIONFIELD_H
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#include "tgrammar.h"
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#include <QWidget>
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#include <QTextEdit>
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#undef DVAPI
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#undef DVVAR
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#ifdef TOONZQT_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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// forward declaration
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class QPushButton;
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class QCompleter;
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class QListView;
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class QModelIndex;
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//=============================================================================
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namespace DVGui {
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//=============================================================================
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/*! \class DVGui::ExpressionField
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\brief The ExpressionField allows to edit expressions (i.e.
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formulas as '34*(5-2)')
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Inherits \b QWidget.
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*/
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class DVAPI ExpressionField final : public QTextEdit {
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Q_OBJECT
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bool m_editing;
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const TSyntax::Grammar *m_grammar;
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class SyntaxHighlighter;
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SyntaxHighlighter *m_syntaxHighlighter;
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QListView *m_completerPopup;
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int m_completerStartPos;
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TSyntax::Grammar::Suggestions m_suggestions;
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public:
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ExpressionField(QWidget *parent = 0);
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~ExpressionField();
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void setExpression(std::string expression);
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std::string getExpression() const;
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void setGrammar(const TSyntax::Grammar *grammar);
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const TSyntax::Grammar *getGrammar() const { return m_grammar; }
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private:
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void openCompleterPopup();
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bool updateCompleterPopup();
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void insertCompletion();
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int computeSuggestions();
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protected:
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bool event(QEvent *e) override;
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void keyPressEvent(QKeyEvent *e) override;
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void focusInEvent(QFocusEvent *e) override;
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void focusOutEvent(QFocusEvent *e) override;
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void showEvent(QShowEvent *) override;
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void hideEvent(QHideEvent *) override;
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bool eventFilter(QObject *obj, QEvent *e) override;
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private slots:
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void onTextChanged();
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void onCursorPositionChanged();
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void insertCompletion(const QModelIndex &index);
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signals:
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void expressionChanged();
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};
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//-----------------------------------------------------------------------------
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} // namespace DVGui
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//-----------------------------------------------------------------------------
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#endif // FILEFIELD_H
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