X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.h;h=4e51e93983bf2542a36616745d54429160143a5f;hp=36fb1c1ed01a4915c0bd8401dc4a2d3330cb7524;hb=d61e228c1d7bccaa117c7559fd8ca1975c6637cc;hpb=541013790cdbd0c32d81debf8f42ac6b5183a4aa diff --git a/src/qtui/chatitem.h b/src/qtui/chatitem.h index 36fb1c1e..4e51e939 100644 --- a/src/qtui/chatitem.h +++ b/src/qtui/chatitem.h @@ -1,5 +1,5 @@ /*************************************************************************** - * Copyright (C) 2005-09 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 * @@ -22,7 +22,6 @@ #define CHATITEM_H_ #include -#include #include #include "chatlinemodel.h" @@ -33,31 +32,41 @@ #include -class ChatItem : public QGraphicsItem { +class ChatLine; +class ChatView; + +/* All external positions are relative to the parent ChatLine */ +/* Yes, that's also true for the boundingRect() and related things */ + +class ChatItem { protected: - ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent); + // boundingRect is relative to the parent ChatLine + ChatItem(const QRectF &boundingRect, ChatLine *parent); + virtual ~ChatItem(); public: const QAbstractItemModel *model() const; + ChatLine *chatLine() const; + ChatScene *chatScene() const; + ChatView *chatView() const; int row() const; virtual ChatLineModel::ColumnType column() const = 0; - inline ChatScene *chatScene() const { return qobject_cast(scene()); } - inline QRectF boundingRect() const { return _boundingRect; } - inline qreal width() const { return _boundingRect.width(); } - inline qreal height() const { return _boundingRect.height(); } + // 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; - 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; + QPointF mapToLine(const QPointF &) const; + QPointF mapFromLine(const QPointF &) const; + QPointF mapToScene(const QPointF &) const; + QPointF mapFromScene(const QPointF &) const; virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); - enum { Type = ChatScene::ChatItemType }; - virtual inline int type() const { return Type; } + virtual inline int type() const { return ChatScene::ChatItemType; } QVariant data(int role) const; @@ -74,6 +83,13 @@ public: virtual void addActionsToMenu(QMenu *menu, const QPointF &itemPos); virtual void handleClick(const QPointF &pos, ChatScene::ClickMode); + void initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const; + + //! Remove internally cached data + /** This removes e.g. the cached QTextLayout to avoid wasting space for nonvisible ChatLines + */ + virtual void clearCache(); + protected: enum SelectionMode { NoSelection, @@ -84,6 +100,15 @@ protected: 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 *) {} + + QTextLayout *layout() const; + + virtual void initLayout(QTextLayout *layout) const; + virtual void doLayout(QTextLayout *) const; + virtual UiStyle::FormatList formatList() const; void paintBackground(QPainter *); QVector selectionFormats() const; @@ -100,29 +125,23 @@ protected: qint16 posToCursor(const QPointF &pos) const; - // WARNING: setGeometry and setHeight should not be used without either: - // a) calling prepareGeometryChange() immediately before setColumns() - // b) calling Chatline::setPos() immediately afterwards - inline void setGeometry(qreal width, qreal height) { - _boundingRect.setWidth(width); - _boundingRect.setHeight(height); - } - inline void setHeight(const qreal &height) { - _boundingRect.setHeight(height); - } - inline void setWidth(const qreal &width) { - _boundingRect.setWidth(width); - } + inline void setGeometry(qreal width, qreal height) { clearCache(); _boundingRect.setSize(QSizeF(width, height)); } + inline void setHeight(const qreal &height) { clearCache(); _boundingRect.setHeight(height); } + inline void setWidth(const qreal &width) { clearCache(); _boundingRect.setWidth(width); } + inline void setPos(const QPointF &pos) { _boundingRect.moveTopLeft(pos); } private: - // internal selection stuff - void setSelection(int start, int length); - + ChatLine *_parent; QRectF _boundingRect; SelectionMode _selectionMode; qint16 _selectionStart, _selectionEnd; + mutable QTextLayout *_cachedLayout; + + // internal selection stuff + void setSelection(int start, int length); + friend class ChatLine; }; @@ -133,9 +152,8 @@ private: //! A ChatItem for the timestamp column class TimestampChatItem : public ChatItem { public: - TimestampChatItem(const qreal &width, const qreal &height, QGraphicsItem *parent) : ChatItem(width, height, QPointF(0, 0), parent) {} - enum { Type = ChatScene::TimestampChatItemType }; - virtual inline int type() const { return Type; } + 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; } }; @@ -145,17 +163,14 @@ public: //! A ChatItem for the sender column class SenderChatItem : public ChatItem { public: - SenderChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent) : ChatItem(width, height, pos, parent) {} + 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); - enum { Type = ChatScene::SenderChatItemType }; - virtual inline int type() const { return Type; } - virtual inline void initLayout(QTextLayout *layout) const { - initLayoutHelper(layout, QTextOption::ManualWrap, Qt::AlignRight); - doLayout(layout); - } + virtual inline int type() const { return ChatScene::SenderChatItemType; } + virtual void initLayout(QTextLayout *layout) const; }; // ************************************************************ @@ -168,15 +183,16 @@ class ContentsChatItem : public ChatItem { Q_DECLARE_TR_FUNCTIONS(ContentsChatItem) public: - ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent); + ContentsChatItem(const QPointF &pos, const qreal &width, ChatLine *parent); ~ContentsChatItem(); - enum { Type = ChatScene::ContentsChatItemType }; - virtual inline int type() const { return Type; } + virtual inline int type() const { return ChatScene::ContentsChatItemType; } inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; } QFontMetricsF *fontMetrics() const; + virtual void clearCache(); + protected: virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event); virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); @@ -188,10 +204,7 @@ protected: virtual QVector additionalFormats() const; - virtual inline void initLayout(QTextLayout *layout) const { - initLayoutHelper(layout, QTextOption::WrapAtWordBoundaryOrAnywhere); - doLayout(layout); - } + virtual void initLayout(QTextLayout *layout) const; virtual void doLayout(QTextLayout *layout) const; virtual UiStyle::FormatList formatList() const; @@ -199,7 +212,7 @@ private: class ActionProxy; class WrapColumnFinder; - ContentsChatItemPrivate *_data; + mutable ContentsChatItemPrivate *_data; ContentsChatItemPrivate *privateData() const; Clickable clickableAt(const QPointF &pos) const; @@ -209,13 +222,14 @@ private: void clearWebPreview(); qreal setGeometryByWidth(qreal w); - friend class ChatLine; - friend struct ContentsChatItemPrivate; QFontMetricsF *_fontMetrics; // we need a receiver for Action signals static ActionProxy _actionProxy; + + friend class ChatLine; + friend struct ContentsChatItemPrivate; }; struct ContentsChatItemPrivate { @@ -268,4 +282,13 @@ private: /*************************************************************************************************/ +// Inlines + +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(); } + #endif