mirror of
https://github.com/qTox/qTox.git
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144 lines
4.0 KiB
C++
144 lines
4.0 KiB
C++
/*
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Copyright (C) 2014 by Project Tox <https://tox.im>
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This file is part of qTox, a Qt-based graphical interface for Tox.
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This program 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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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.
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See the COPYING file for more details.
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*/
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#ifndef CHATLOG_H
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#define CHATLOG_H
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#include <QGraphicsView>
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#include <QDateTime>
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#include <QMarginsF>
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#include "chatline.h"
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#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;
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class ToxFile;
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class ChatLog : public QGraphicsView
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{
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Q_OBJECT
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public:
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explicit ChatLog(QWidget* parent = 0);
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virtual ~ChatLog();
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void insertChatlineAtBottom(ChatLine::Ptr l);
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void insertChatlineOnTop(ChatLine::Ptr l);
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void insertChatlineOnTop(const QList<ChatLine::Ptr>& newLines);
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void clearSelection();
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void clear();
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void copySelectedText(bool toSelectionBuffer = false) const;
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void setBusyNotification(ChatLine::Ptr notification);
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void setTypingNotification(ChatLine::Ptr notification);
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void setTypingNotificationVisible(bool visible);
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void scrollToLine(ChatLine::Ptr line);
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void selectAll();
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QString getSelectedText() const;
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bool isEmpty() const;
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bool hasTextToBeCopied() const;
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ChatLine::Ptr getTypingNotification() const;
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QVector<ChatLine::Ptr> getLines();
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protected:
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QRectF calculateSceneRect() const;
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QRect getVisibleRect() const;
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ChatLineContent* getContentFromPos(QPointF scenePos) const;
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void layout(int start, int end, qreal width);
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bool isOverSelection(QPointF scenePos) const;
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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();
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void checkVisibility();
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void scrollToBottom();
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void startResizeWorker();
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virtual void mouseDoubleClickEvent(QMouseEvent* ev);
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virtual void mousePressEvent(QMouseEvent* ev);
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virtual void mouseReleaseEvent(QMouseEvent* ev);
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virtual void mouseMoveEvent(QMouseEvent* ev);
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virtual void scrollContentsBy(int dx, int dy);
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virtual void resizeEvent(QResizeEvent* ev);
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virtual void showEvent(QShowEvent*);
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virtual void focusInEvent(QFocusEvent* ev);
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virtual void focusOutEvent(QFocusEvent* ev);
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void updateMultiSelectionRect();
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void updateTypingNotification();
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void updateBusyNotification();
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ChatLine::Ptr findLineByPosY(qreal yPos) const;
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private slots:
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void onSelectionTimerTimeout();
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void onWorkerTimeout();
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private:
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enum SelectionMode {
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None,
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Precise,
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Multi,
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};
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enum AutoScrollDirection {
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NoDirection,
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Up,
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Down,
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};
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QAction* copyAction = nullptr;
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QGraphicsScene* scene = nullptr;
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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;
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ChatLine::Ptr busyNotification;
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// selection
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int selClickedRow = -1; //These 4 are only valid while selectionMode != None
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int selClickedCol = -1;
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int selFirstRow = -1;
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int selLastRow = -1;
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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;
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QTimer* workerTimer = nullptr;
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AutoScrollDirection selectionScrollDir = NoDirection;
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//worker vars
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int workerLastIndex = 0;
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bool workerStb = false;
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ChatLine::Ptr workerAnchorLine;
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// layout
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QMarginsF margins = QMarginsF(10.0,10.0,10.0,10.0);
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qreal lineSpacing = 5.0f;
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};
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#endif // CHATLOG_H
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