X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.h;h=e94bda198a6283739ad71bafaa0182cc855cd67d;hp=745f2d32b122dc8471ce6633195e9529097b9a33;hb=55579f53f3bd37f2a20d9be7458bdc54b345a052;hpb=603763515d61fc1cd3febbfd7c3268d5216df768 diff --git a/src/qtui/chatitem.h b/src/qtui/chatitem.h index 745f2d32..e94bda19 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 * @@ -21,143 +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(); } - inline bool haveLayout() const { return _layoutData != 0 && layout() != 0; } - void clearLayoutData(); - 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 void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event); - - virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event); - virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event); - virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event); - - struct LayoutData; - inline QTextLayout *layout() const; - void setLayout(QTextLayout *); - 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; - LayoutData *_layoutData; + friend class ChatLine; }; -struct ChatItem::LayoutData { - QTextLayout *layout; - - LayoutData() { layout = 0; } - ~LayoutData() { delete layout; } -}; +// ************************************************************ +// 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; } - 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) : ChatItem(column(), model, parent) {} + ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent); + ~ContentsChatItem(); + + enum { Type = ChatScene::ContentsChatItemType }; + virtual inline int type() const { return Type; } + inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; } + QFontMetricsF *fontMetrics() const; - void updateLayout(); +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); -private: - qreal computeHeight(); + 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::WrapAnywhere); + 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 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" -inline int ChatItem::row() const { return static_cast(parentItem())->row(); } -inline QTextLayout *ChatItem::layout() const { return _layoutData->layout; } +const QAbstractItemModel *ChatItem::model() const { return static_cast(parentItem())->model(); } +int ChatItem::row() const { return static_cast(parentItem())->row(); } #endif