X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.h;h=1184740cd348b3540fb042b485cefa5790885e00;hp=a00e1e664aae4ed95bddf5405c7132c5aa792f53;hb=6353231ed1d32a5be3580ba60a06d9cf588ad877;hpb=6aaf227185e89aacd23ff25e3d5ff5030ace3093 diff --git a/src/qtui/chatitem.h b/src/qtui/chatitem.h index a00e1e66..1184740c 100644 --- a/src/qtui/chatitem.h +++ b/src/qtui/chatitem.h @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2005-08 by the Quassel Project * + * Copyright (C) 2005-2010 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * @@ -21,73 +21,281 @@ #ifndef CHATITEM_H_ #define CHATITEM_H_ -#include +#include +#include -#include "chatline.h" #include "chatlinemodel.h" +#include "chatscene.h" +#include "clickable.h" #include "uistyle.h" +#include "qtui.h" -class QTextLayout; +#include -class ChatItem : public QGraphicsItem { +class ChatLine; - public: - ChatItem(const QPersistentModelIndex &index, QGraphicsItem *parent); - virtual ~ChatItem(); +/* All external positions are relative to the parent ChatLine */ +/* Yes, that's also true for the boundingRect() and related things */ - inline QPersistentModelIndex index() const { return _index; } - inline const MessageModel *model() const { return _index.isValid() ? qobject_cast(_index.model()) : 0; } - inline int row() const { return _index.isValid() ? _index.row() : 0; } +class ChatItem { +protected: + // boundingRect is relative to the parent ChatLine + ChatItem(const QRectF &boundingRect, ChatLine *parent); + virtual ~ChatItem() {} - inline QFontMetricsF *fontMetrics() const { return _fontMetrics; } - inline virtual QRectF boundingRect() const { return _boundingRect; } - inline qreal width() const { return _boundingRect.width(); } - inline qreal height() const { return _boundingRect.height(); } +public: + inline const QAbstractItemModel *model() const; + inline ChatLine *chatLine() const; + inline ChatScene *chatScene() const; + inline int row() const; + virtual ChatLineModel::ColumnType column() const = 0; - inline bool haveLayout() const { return _layout != 0; } - void clearLayout(); - void updateLayout(); - virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); + // The boundingRect() is relative to the parent ChatLine + inline QRectF boundingRect() const; + inline qreal width() const; + inline qreal height() const; + inline QPointF pos() const; + inline qreal x() const; + inline qreal y() const; - virtual QVariant data(int role) const; + inline QPointF mapToLine(const QPointF &) const; + inline QPointF mapFromLine(const QPointF &) const; + inline QPointF mapToScene(const QPointF &) const; + inline QPointF mapFromScene(const QPointF &) const; - // returns height - int setWidth(int width); + void initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const; + virtual inline void initLayout(QTextLayout *layout) const { + initLayoutHelper(layout, QTextOption::NoWrap); + doLayout(layout); + } + virtual void doLayout(QTextLayout *) const; + virtual UiStyle::FormatList formatList() const; - protected: - //void mouseMoveEvent ( QGraphicsSceneMouseEvent * event ); + virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); + virtual inline int type() const { return ChatScene::ChatItemType; } - private: - int heightForWidth(int width); - QTextLayout *createLayout(QTextOption::WrapMode); + QVariant data(int role) const; - QRectF _boundingRect; - QFontMetricsF *_fontMetrics; - quint8 _lines; - QPersistentModelIndex _index; + // selection stuff, to be called by the scene + QString selection() const; + void clearSelection(); + void setFullSelection(); + void continueSelecting(const QPointF &pos); + bool hasSelection() const; + bool isPosOverSelection(const QPointF &pos) const; - QTextLayout *_layout; - QList _wrapPositions; + QList findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive); - class WrapColumnFinder; + virtual void addActionsToMenu(QMenu *menu, const QPointF &itemPos); + virtual void handleClick(const QPointF &pos, ChatScene::ClickMode); + +protected: + enum SelectionMode { + NoSelection, + PartialSelection, + FullSelection + }; + + virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event); + virtual void mousePressEvent(QGraphicsSceneMouseEvent *event); + virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); + virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *) {}; + virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *) {}; + virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *) {}; + + void paintBackground(QPainter *); + QVector selectionFormats() const; + virtual QVector additionalFormats() const; + void overlayFormat(UiStyle::FormatList &fmtList, int start, int end, quint32 overlayFmt) const; + + inline qint16 selectionStart() const { return _selectionStart; } + inline void setSelectionStart(qint16 start) { _selectionStart = start; } + inline qint16 selectionEnd() const { return _selectionEnd; } + inline void setSelectionEnd(qint16 end) { _selectionEnd = end; } + inline SelectionMode selectionMode() const { return _selectionMode; } + inline void setSelectionMode(SelectionMode mode) { _selectionMode = mode; } + void setSelection(SelectionMode mode, qint16 selectionStart, qint16 selectionEnd); + + qint16 posToCursor(const QPointF &pos) const; + + inline void setGeometry(qreal width, qreal height) { _boundingRect.setSize(QSizeF(width, height)); } + inline void setHeight(const qreal &height) { _boundingRect.setHeight(height); } + inline void setWidth(const qreal &width) { _boundingRect.setWidth(width); } + inline void setPos(const QPointF &pos) { _boundingRect.moveTopLeft(pos); } + +private: + ChatLine *_parent; + QRectF _boundingRect; + + SelectionMode _selectionMode; + qint16 _selectionStart, _selectionEnd; + + // internal selection stuff + void setSelection(int start, int length); + + friend class ChatLine; +}; + +// ************************************************************ +// TimestampChatItem +// ************************************************************ + +//! A ChatItem for the timestamp column +class TimestampChatItem : public ChatItem { +public: + TimestampChatItem(const QRectF &boundingRect, ChatLine *parent) : ChatItem(boundingRect, parent) {} + virtual inline int type() const { return ChatScene::TimestampChatItemType; } + virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::TimestampColumn; } +}; + +// ************************************************************ +// SenderChatItem +// ************************************************************ +//! A ChatItem for the sender column +class SenderChatItem : public ChatItem { +public: + SenderChatItem(const QRectF &boundingRect, ChatLine *parent) : ChatItem(boundingRect, parent) {} + virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::SenderColumn; } + virtual void handleClick(const QPointF &pos, ChatScene::ClickMode clickMode); + +protected: + virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); + virtual inline int type() const { return ChatScene::SenderChatItemType; } + virtual inline void initLayout(QTextLayout *layout) const { + initLayoutHelper(layout, QTextOption::ManualWrap, Qt::AlignRight); + doLayout(layout); + } +}; + +// ************************************************************ +// ContentsChatItem +// ************************************************************ +struct ContentsChatItemPrivate; + +//! A ChatItem for the contents column +class ContentsChatItem : public ChatItem { + Q_DECLARE_TR_FUNCTIONS(ContentsChatItem) + +public: + ContentsChatItem(const QPointF &pos, const qreal &width, ChatLine *parent); + ~ContentsChatItem(); + + virtual inline int type() const { return ChatScene::ContentsChatItemType; } + + inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; } + QFontMetricsF *fontMetrics() const; + +protected: + virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event); + virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); + virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event); + virtual void handleClick(const QPointF &pos, ChatScene::ClickMode clickMode); + + virtual void addActionsToMenu(QMenu *menu, const QPointF &itemPos); + virtual void copyLinkToClipboard(); + + virtual QVector additionalFormats() const; + + virtual inline void initLayout(QTextLayout *layout) const { + initLayoutHelper(layout, QTextOption::WrapAtWordBoundaryOrAnywhere); + doLayout(layout); + } + virtual void doLayout(QTextLayout *layout) const; + virtual UiStyle::FormatList formatList() const; + +private: + class ActionProxy; + class WrapColumnFinder; + + ContentsChatItemPrivate *_data; + ContentsChatItemPrivate *privateData() const; + + Clickable clickableAt(const QPointF &pos) const; + + void endHoverMode(); + void showWebPreview(const Clickable &click); + void clearWebPreview(); + + qreal setGeometryByWidth(qreal w); + friend class ChatLine; + friend struct ContentsChatItemPrivate; + + QFontMetricsF *_fontMetrics; + + // we need a receiver for Action signals + static ActionProxy _actionProxy; +}; + +struct ContentsChatItemPrivate { + ContentsChatItem *contentsItem; + ClickableList clickables; + Clickable currentClickable; + Clickable activeClickable; + + ContentsChatItemPrivate(const ClickableList &c, ContentsChatItem *parent) : contentsItem(parent), clickables(c) {} }; -class ChatItem::WrapColumnFinder { - public: - WrapColumnFinder(ChatItem *parent); - ~WrapColumnFinder(); - - int nextWrapColumn(); - - private: - ChatItem *item; - QTextLayout *layout; - QTextLine line; - ChatLineModel::WrapList wrapList; - int wordidx; - int lastwrapcol; - qreal lastwrappos; - qreal w; +class ContentsChatItem::WrapColumnFinder { +public: + WrapColumnFinder(const ChatItem *parent); + ~WrapColumnFinder(); + + qint16 nextWrapColumn(qreal width); + +private: + const ChatItem *item; + QTextLayout layout; + QTextLine line; + ChatLineModel::WrapList wrapList; + qint16 wordidx; + qint16 lineCount; + qreal choppedTrailing; +}; + +//! Acts as a proxy for Action signals targetted at a ContentsChatItem +/** Since a ChatItem is not a QObject, hence cannot receive signals, we use a static ActionProxy + * as a receiver instead. This avoids having to handle ChatItem actions (e.g. context menu entries) + * outside the ChatItem. + */ +class ContentsChatItem::ActionProxy : public QObject { + Q_OBJECT + +public slots: + inline void copyLinkToClipboard() { item()->copyLinkToClipboard(); } + +private: + /// Returns the ContentsChatItem that should receive the action event. + /** For efficiency reasons, values are not checked for validity. You gotta make sure that you set the data() member + * in the Action correctly. + * @return The ChatItem from which the sending Action originated + */ + inline ContentsChatItem *item() const { + return static_cast(qobject_cast(sender())->data().value()); + } }; +/*************************************************************************************************/ + +#include "chatline.h" /* avoid circular includes */ + +// Inlines + +ChatLine *ChatItem::chatLine() const { return _parent; } +ChatScene *ChatItem::chatScene() const { return chatLine()->chatScene(); } +const QAbstractItemModel *ChatItem::model() const { return chatLine()->model(); } +int ChatItem::row() const { return chatLine()->row(); } + +QRectF ChatItem::boundingRect() const { return _boundingRect; } +qreal ChatItem::width() const { return _boundingRect.width(); } +qreal ChatItem::height() const { return _boundingRect.height(); } +QPointF ChatItem::pos() const { return _boundingRect.topLeft(); } +qreal ChatItem::x() const { return pos().x(); } +qreal ChatItem::y() const { return pos().y(); } + +QPointF ChatItem::mapToLine(const QPointF &p) const { return p + pos(); } +QPointF ChatItem::mapFromLine(const QPointF &p) const { return p - pos(); } +// relative to the ChatLine +QPointF ChatItem::mapToScene(const QPointF &p) const { return chatLine()->mapToScene(p /* + pos() */); } +QPointF ChatItem::mapFromScene(const QPointF &p) const { return chatLine()->mapFromScene(p) /* - pos() */; } + #endif