62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
/*
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* Copyright (C) 2020-2022 Roy Qu (royqh1979@gmail.com)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef CODECOMPLETIONLISTVIEW_H
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#define CODECOMPLETIONLISTVIEW_H
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#include <QListView>
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#include <QKeyEvent>
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#include <QStyledItemDelegate>
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#include "../parser/parserutils.h"
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using KeyPressedCallback = std::function<bool (QKeyEvent *)>;
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using InputMethodCallback = std::function<bool (QInputMethodEvent*)>;
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class CodeCompletionListItemDelegate: public QStyledItemDelegate {
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Q_OBJECT
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public:
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// QAbstractItemDelegate interface
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public:
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void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;
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QSize sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const override;
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};
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class CodeCompletionListView: public QListView {
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Q_OBJECT
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public:
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explicit CodeCompletionListView(QWidget *parent = nullptr);
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// QWidget interface
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const KeyPressedCallback &keypressedCallback() const;
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void setKeypressedCallback(const KeyPressedCallback &newKeypressedCallback);
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const InputMethodCallback &inputMethodCallback() const;
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void setInputMethodCallback(const InputMethodCallback &newInputMethodCallback);
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protected:
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void keyPressEvent(QKeyEvent *event) override;
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private:
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KeyPressedCallback mKeypressedCallback;
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CodeCompletionListItemDelegate mDelegate;
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// QWidget interface
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protected:
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void focusInEvent(QFocusEvent *event) override;
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};
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#endif // CODECOMPLETIONLISTVIEW_H
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