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qTox/src/chatlog/chatlog.h

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/*
Copyright © 2014-2015 by The qTox Project
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This file is part of qTox, a Qt-based graphical interface for Tox.
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
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CHATLOG_H
#define CHATLOG_H
#include <QGraphicsView>
#include <QDateTime>
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#include <QMargins>
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#include "chatline.h"
#include "chatmessage.h"
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class QGraphicsScene;
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class QGraphicsRectItem;
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class QMouseEvent;
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class QTimer;
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class ChatLineContent;
struct ToxFile;
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class ChatLog : public QGraphicsView
{
Q_OBJECT
public:
explicit ChatLog(QWidget* parent = 0);
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virtual ~ChatLog();
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void insertChatlineAtBottom(ChatLine::Ptr l);
void insertChatlineOnTop(ChatLine::Ptr l);
void insertChatlineOnTop(const QList<ChatLine::Ptr>& newLines);
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void clearSelection();
void clear();
void copySelectedText(bool toSelectionBuffer = false) const;
void setBusyNotification(ChatLine::Ptr notification);
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void setTypingNotification(ChatLine::Ptr notification);
void setTypingNotificationVisible(bool visible);
void scrollToLine(ChatLine::Ptr line);
void selectAll();
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QString getSelectedText() const;
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bool isEmpty() const;
bool hasTextToBeCopied() const;
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ChatLine::Ptr getTypingNotification() const;
QVector<ChatLine::Ptr> getLines();
ChatLine::Ptr getLatestLine() const;
const uint repNameAfter = 5*60;
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signals:
void selectionChanged();
public slots:
void forceRelayout();
private slots:
void onSelectionTimerTimeout();
void onWorkerTimeout();
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protected:
QRectF calculateSceneRect() const;
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QRect getVisibleRect() const;
ChatLineContent* getContentFromPos(QPointF scenePos) const;
void layout(int start, int end, qreal width);
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bool isOverSelection(QPointF scenePos) const;
bool stickToBottom() const;
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qreal useableWidth() const;
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void reposition(int start, int end, qreal deltaY);
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void updateSceneRect();
void checkVisibility();
void scrollToBottom();
void startResizeWorker();
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virtual void mouseDoubleClickEvent(QMouseEvent* ev) final override;
virtual void mousePressEvent(QMouseEvent* ev) final override;
virtual void mouseReleaseEvent(QMouseEvent* ev) final override;
virtual void mouseMoveEvent(QMouseEvent* ev) final override;
virtual void scrollContentsBy(int dx, int dy) final override;
virtual void resizeEvent(QResizeEvent* ev) final override;
virtual void showEvent(QShowEvent*) final override;
virtual void focusInEvent(QFocusEvent* ev) final override;
virtual void focusOutEvent(QFocusEvent* ev) final override;
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void updateMultiSelectionRect();
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void updateTypingNotification();
void updateBusyNotification();
ChatLine::Ptr findLineByPosY(qreal yPos) const;
private:
void retranslateUi();
bool isActiveFileTransfer(ChatLine::Ptr l);
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private:
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enum SelectionMode {
None,
Precise,
Multi,
};
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enum AutoScrollDirection {
NoDirection,
Up,
Down,
};
QAction* copyAction = nullptr;
QAction* selectAllAction = nullptr;
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QGraphicsScene* scene = nullptr;
QGraphicsScene* busyScene = nullptr;
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QVector<ChatLine::Ptr> lines;
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QList<ChatLine::Ptr> visibleLines;
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ChatLine::Ptr typingNotification;
ChatLine::Ptr busyNotification;
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// selection
int selClickedRow = -1; //These 4 are only valid while selectionMode != None
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int selClickedCol = -1;
int selFirstRow = -1;
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int selLastRow = -1;
QColor selectionRectColor = QColor::fromRgbF(0.23, 0.68, 0.91).lighter(150);
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SelectionMode selectionMode = None;
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QPointF clickPos;
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QGraphicsRectItem* selGraphItem = nullptr;
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QTimer* selectionTimer = nullptr;
QTimer* workerTimer = nullptr;
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AutoScrollDirection selectionScrollDir = NoDirection;
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//worker vars
int workerLastIndex = 0;
bool workerStb = false;
ChatLine::Ptr workerAnchorLine;
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// layout
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QMargins margins = QMargins(10,10,10,10);
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qreal lineSpacing = 5.0f;
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};
#endif // CHATLOG_H