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121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
/*
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Copyright © 2014-2019 by The qTox Project Contributors
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This file is part of qTox, a Qt-based graphical interface for Tox.
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qTox is libre 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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qTox 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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You should have received a copy of the GNU General Public License
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CHATLINE_H
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#define CHATLINE_H
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#include <QPointF>
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#include <QRectF>
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#include <QVector>
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#include <memory>
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class ChatLog;
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class ChatLineContent;
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class QGraphicsScene;
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class QStyleOptionGraphicsItem;
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class QFont;
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struct ColumnFormat
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{
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enum Policy
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{
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FixedSize,
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VariableSize,
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};
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enum Align
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{
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Left,
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Center,
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Right,
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};
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ColumnFormat()
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{
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}
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ColumnFormat(qreal s, Policy p, Align halign = Left)
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: size(s)
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, policy(p)
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, hAlign(halign)
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{
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}
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qreal size = 1.0;
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Policy policy = VariableSize;
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Align hAlign = Left;
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};
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using ColumnFormats = QVector<ColumnFormat>;
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class ChatLine
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{
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public:
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using Ptr = std::shared_ptr<ChatLine>;
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ChatLine();
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virtual ~ChatLine();
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QRectF sceneBoundingRect() const;
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void replaceContent(int col, ChatLineContent* lineContent);
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void layout(qreal width, QPointF scenePos);
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void moveBy(qreal deltaY);
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void removeFromScene();
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void addToScene(QGraphicsScene* scene);
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void setVisible(bool visible);
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void selectionCleared();
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void selectionFocusChanged(bool focusIn);
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void fontChanged(const QFont& font);
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void reloadTheme();
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int getColumnCount();
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int getRow() const;
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ChatLineContent* getContent(int col) const;
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ChatLineContent* getContent(QPointF scenePos) const;
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bool isOverSelection(QPointF scenePos);
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// comparators
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static bool lessThanBSRectTop(const ChatLine::Ptr& lhs, const qreal& rhs);
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static bool lessThanBSRectBottom(const ChatLine::Ptr& lhs, const qreal& rhs);
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static bool lessThanRowIndex(const ChatLine::Ptr& lhs, const ChatLine::Ptr& rhs);
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protected:
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friend class ChatLog;
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QPointF mapToContent(ChatLineContent* c, QPointF pos);
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void addColumn(ChatLineContent* item, ColumnFormat fmt);
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void updateBBox();
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void setRow(int idx);
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void visibilityChanged(bool visible);
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private:
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int row = -1;
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QVector<ChatLineContent*> content;
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QVector<ColumnFormat> format;
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qreal width = 100.0;
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qreal columnSpacing = 15.0;
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QRectF bbox;
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bool isVisible = false;
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};
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#endif // CHATLINE_H
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