X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.h;h=3d5ad2ff6d57b450115497325edf9f82c5e566d9;hp=a6eb531b007ef1483863642ea2bd762a27f1dd75;hb=960ed1ea65124794286c15a2d03bce60577556ee;hpb=7ddbb98e280034b3bd42f568919e0c6cc5b5e06e diff --git a/src/qtui/chatitem.h b/src/qtui/chatitem.h index a6eb531b..3d5ad2ff 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) 2005-09 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * @@ -21,194 +21,256 @@ #ifndef CHATITEM_H_ #define CHATITEM_H_ +#include #include #include #include "chatlinemodel.h" #include "chatscene.h" +#include "clickable.h" #include "uistyle.h" #include "qtui.h" -class QTextLayout; +#include class ChatItem : public QGraphicsItem { - protected: - ChatItem(ChatLineModel::ColumnType column, QAbstractItemModel *, QGraphicsItem *parent); - virtual ~ChatItem(); + ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent); public: - inline const QAbstractItemModel *model() const { return chatScene() ? chatScene()->model() : 0; } + inline const QAbstractItemModel *model() const; inline int row() const; virtual ChatLineModel::ColumnType column() const = 0; inline ChatScene *chatScene() const { return qobject_cast(scene()); } - inline QFontMetricsF *fontMetrics() const { return _fontMetrics; } inline QRectF boundingRect() const { return _boundingRect; } inline qreal width() const { return _boundingRect.width(); } inline qreal height() const { return _boundingRect.height(); } - virtual inline bool haveLayout() const { return layout() != 0; } - virtual void clearLayout(); - virtual QTextLayout *createLayout(QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft); - virtual void updateLayout(); - virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); + 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; - virtual QVariant data(int role) const; + virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); + enum { Type = ChatScene::ChatItemType }; + virtual inline int type() const { return Type; } - // returns height - qreal setGeometry(qreal width, qreal height = -1); + QVariant data(int role) const; // 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; QList findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive); + 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 inline QTextLayout *layout() const { return _layout; } - virtual inline void setLayout(QTextLayout *l) { _layout = l; } - virtual inline QVector additionalFormats() const { return QVector(); } - qint16 posToCursor(const QPointF &pos); - - virtual qreal computeHeight(); - - QRectF _boundingRect; + 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; + + // 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); + } private: // internal selection stuff void setSelection(int start, int length); - QFontMetricsF *_fontMetrics; + QRectF _boundingRect; - enum SelectionMode { NoSelection, PartialSelection, FullSelection }; SelectionMode _selectionMode; qint16 _selectionStart, _selectionEnd; - QTextLayout *_layout; + friend class ChatLine; }; -/*************************************************************************************************/ +// ************************************************************ +// TimestampChatItem +// ************************************************************ //! A ChatItem for the timestamp column class TimestampChatItem : public ChatItem { - public: - TimestampChatItem(QAbstractItemModel *model, QGraphicsItem *parent) : ChatItem(column(), model, parent) {} - inline ChatLineModel::ColumnType column() const { return ChatLineModel::TimestampColumn; } - + 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; } + virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::TimestampColumn; } }; -/*************************************************************************************************/ - +// ************************************************************ +// SenderChatItem +// ************************************************************ //! A ChatItem for the sender column class SenderChatItem : public ChatItem { - public: - SenderChatItem(QAbstractItemModel *model, QGraphicsItem *parent) : ChatItem(column(), model, parent) {} - inline ChatLineModel::ColumnType column() const { return ChatLineModel::SenderColumn; } + SenderChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent) : ChatItem(width, height, pos, parent) {} + virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::SenderColumn; } - virtual void updateLayout(); +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); + } }; -/*************************************************************************************************/ +// ************************************************************ +// ContentsChatItem +// ************************************************************ +struct ContentsChatItemPrivate; //! A ChatItem for the contents column class ContentsChatItem : public ChatItem { + Q_DECLARE_TR_FUNCTIONS(ContentsChatItem) public: - ContentsChatItem(QAbstractItemModel *model, QGraphicsItem *parent); - virtual ~ContentsChatItem(); + ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent); + ~ContentsChatItem(); - inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; } + enum { Type = ChatScene::ContentsChatItemType }; + virtual inline int type() const { return Type; } - virtual void clearLayout(); - virtual void updateLayout(); - virtual inline bool haveLayout() const { return _layoutData != 0 && layout() != 0; } + inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; } + QFontMetricsF *fontMetrics() const; protected: virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event); - virtual void mousePressEvent(QGraphicsSceneMouseEvent *event); - virtual void mouseReleaseEvent(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 inline QTextLayout *layout() const; - virtual void setLayout(QTextLayout *l); 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: - struct LayoutData; - struct Clickable; + class ActionProxy; class WrapColumnFinder; - inline LayoutData *layoutData() const; + ContentsChatItemPrivate *_data; + ContentsChatItemPrivate *privateData() const; - qreal computeHeight(); - QList findClickables(); - void endHoverMode(); + Clickable clickableAt(const QPointF &pos) const; - LayoutData *_layoutData; -}; + void endHoverMode(); + void showWebPreview(const Clickable &click); + void clearWebPreview(); -struct ContentsChatItem::Clickable { - // Don't change these enums without also changing the regexps in analyze()! - enum Type { - Invalid = -1, - Url = 0, - Channel = 1, - Nick = 2 - }; + qreal setGeometryByWidth(qreal w); + friend class ChatLine; + friend struct ContentsChatItemPrivate; - Type type; - quint16 start; - quint16 length; + QFontMetricsF *_fontMetrics; - inline Clickable() : type(Invalid) {}; - inline Clickable(Type type_, quint16 start_, quint16 length_) : type(type_), start(start_), length(length_) {}; - inline bool isValid() const { return type != Invalid; } + // we need a receiver for Action signals + static ActionProxy _actionProxy; }; -struct ContentsChatItem::LayoutData { - QTextLayout *layout; - QList clickables; +struct ContentsChatItemPrivate { + ContentsChatItem *contentsItem; + ClickableList clickables; Clickable currentClickable; - bool hasDragged; + Clickable activeClickable; - LayoutData() { layout = 0; hasDragged = false; } - ~LayoutData() { delete layout; } + ContentsChatItemPrivate(const ClickableList &c, ContentsChatItem *parent) : contentsItem(parent), clickables(c) {} }; class ContentsChatItem::WrapColumnFinder { public: - WrapColumnFinder(ChatItem *parent); + WrapColumnFinder(const ChatItem *parent); ~WrapColumnFinder(); - qint16 nextWrapColumn(); + qint16 nextWrapColumn(qreal width); private: - ChatItem *item; - QTextLayout *layout; + const ChatItem *item; + QTextLayout layout; QTextLine line; ChatLineModel::WrapList wrapList; qint16 wordidx; - qint16 lastwrapcol; - qreal lastwrappos; - qreal w; + 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()); + } }; /*************************************************************************************************/ // Avoid circular include deps #include "chatline.h" +const QAbstractItemModel *ChatItem::model() const { return static_cast(parentItem())->model(); } int ChatItem::row() const { return static_cast(parentItem())->row(); } -QTextLayout *ContentsChatItem::layout() const { return _layoutData->layout; } -ContentsChatItem::LayoutData *ContentsChatItem::layoutData() const { Q_ASSERT(_layoutData); return _layoutData; } - #endif