X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.h;h=1184740cd348b3540fb042b485cefa5790885e00;hp=587cc60949cf351bff836dd36491086f701d0d9e;hb=6353231ed1d32a5be3580ba60a06d9cf588ad877;hpb=176d22d49934223b9279719ac5d9e7c03e530d40 diff --git a/src/qtui/chatitem.h b/src/qtui/chatitem.h index 587cc609..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 * @@ -21,100 +21,121 @@ #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; -struct ChatItemPrivate; +#include -class ChatItem : public QGraphicsItem { +class ChatLine; + +/* 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, ChatLineModel::ColumnType column, QGraphicsItem *parent); - virtual ~ChatItem(); + // boundingRect is relative to the parent ChatLine + ChatItem(const QRectF &boundingRect, ChatLine *parent); + virtual ~ChatItem() {} 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 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(); } - inline bool hasLayout() const { return (bool)_data; } - QTextLayout *createLayout(QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft); - virtual inline QTextLayout *createLayout() { return createLayout(QTextOption::WrapAnywhere); } - void clearLayout(); + // 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; + + inline QPointF mapToLine(const QPointF &) const; + inline QPointF mapFromLine(const QPointF &) const; + inline QPointF mapToScene(const QPointF &) const; + inline QPointF mapFromScene(const QPointF &) 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; - virtual void updateLayout(); virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); + virtual inline int type() const { return ChatScene::ChatItemType; } 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 void hoverEnterEvent(QGraphicsSceneHoverEvent *) {}; + virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *) {}; + virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *) {}; - inline QTextLayout *layout() const; + void paintBackground(QPainter *); + QVector selectionFormats() const; + virtual QVector additionalFormats() const; + void overlayFormat(UiStyle::FormatList &fmtList, int start, int end, quint32 overlayFmt) const; - virtual inline QVector additionalFormats() const { return QVector(); } - qint16 posToCursor(const QPointF &pos); + 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); - inline void ChatItem::setPrivateData(ChatItemPrivate *data) { Q_ASSERT(!_data); _data = data; } - inline ChatItemPrivate *ChatItem::privateData() const; + 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 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: - // internal selection stuff - void setSelection(int start, int length); - - ChatItemPrivate *_data; + ChatLine *_parent; QRectF _boundingRect; - QFontMetricsF *_fontMetrics; - enum SelectionMode { NoSelection, PartialSelection, FullSelection }; SelectionMode _selectionMode; qint16 _selectionStart, _selectionEnd; - friend class ChatLine; -}; + // internal selection stuff + void setSelection(int start, int length); -struct ChatItemPrivate { - QTextLayout *layout; - ChatItemPrivate(QTextLayout *l) : layout(l) {} - ~ChatItemPrivate() { - delete layout; - } + friend class ChatLine; }; -// inlines of ChatItem -QTextLayout *ChatItem::layout() const { return privateData()->layout; } -ChatItemPrivate *ChatItem::privateData() const { return _data; } - // ************************************************************ // TimestampChatItem // ************************************************************ @@ -122,7 +143,8 @@ ChatItemPrivate *ChatItem::privateData() const { return _data; } //! 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), column(), parent) {} + 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; } }; @@ -132,9 +154,17 @@ 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, column(), parent) {} + SenderChatItem(const QRectF &boundingRect, ChatLine *parent) : ChatItem(boundingRect, parent) {} virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::SenderColumn; } - virtual inline QTextLayout *createLayout() { return ChatItem::createLayout(QTextOption::WrapAnywhere, Qt::AlignRight); } + 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); + } }; // ************************************************************ @@ -144,92 +174,128 @@ struct ContentsChatItemPrivate; //! A ChatItem for the contents column 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(); + + 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 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 QVector additionalFormats() const; - virtual void updateLayout(); + 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 Clickable; + class ActionProxy; class WrapColumnFinder; - inline ContentsChatItemPrivate *privateData() const; + ContentsChatItemPrivate *_data; + ContentsChatItemPrivate *privateData() const; + + Clickable clickableAt(const QPointF &pos) const; - QList findClickables(); void endHoverMode(); + void showWebPreview(const Clickable &click); + void clearWebPreview(); - // WARNING: setGeometry and setHeight should not be used without either: - // a) calling prepareGeometryChange() immediately before setColumns() - // b) calling Chatline::setPos() immediately afterwards qreal setGeometryByWidth(qreal w); friend class ChatLine; friend struct ContentsChatItemPrivate; -}; - -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 - }; - 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 ContentsChatItemPrivate : ChatItemPrivate { - QList clickables; - ContentsChatItem::Clickable currentClickable; - bool hasDragged; +struct ContentsChatItemPrivate { + ContentsChatItem *contentsItem; + ClickableList clickables; + Clickable currentClickable; + Clickable activeClickable; - ContentsChatItemPrivate(QTextLayout *l, const QList &c) : ChatItemPrivate(l), clickables(c), hasDragged(false) {} + 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 lineCount; qreal choppedTrailing; - qint16 lastwrapcol; - qreal lastwrappos; - qreal width; +}; + +//! 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(); } +#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(); } -ContentsChatItemPrivate *ContentsChatItem::privateData() const { return (ContentsChatItemPrivate *)privateData(); } +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