X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatitem.h;h=a945795ec2d3fabffac90627c0667be6bf4c163e;hp=3d5ad2ff6d57b450115497325edf9f82c5e566d9;hb=3a3e844f9fcfd12235a0086af75ecd503b621ef4;hpb=960ed1ea65124794286c15a2d03bce60577556ee diff --git a/src/qtui/chatitem.h b/src/qtui/chatitem.h index 3d5ad2ff..a945795e 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) 2005-2018 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * @@ -15,14 +15,13 @@ * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the * * Free Software Foundation, Inc., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * ***************************************************************************/ #ifndef CHATITEM_H_ #define CHATITEM_H_ #include -#include #include #include "chatlinemodel.h" @@ -32,245 +31,281 @@ #include "qtui.h" #include +#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: - inline const QAbstractItemModel *model() const; - inline 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(); } - - 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 paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); - enum { Type = ChatScene::ChatItemType }; - virtual inline int type() const { return Type; } - - 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); + const QAbstractItemModel *model() const; + ChatLine *chatLine() const; + ChatScene *chatScene() const; + ChatView *chatView() const; + int row() const; + virtual ChatLineModel::ColumnType column() const = 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; + + 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 = nullptr); + 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); + + 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, - PartialSelection, - FullSelection - }; - - virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event); - virtual void mousePressEvent(QGraphicsSceneMouseEvent *event); - virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event); - - 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); - } + 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 *) {} + + QTextLayout *layout() const; + + virtual void initLayout(QTextLayout *layout) const; + virtual void doLayout(QTextLayout *) const; + virtual UiStyle::FormatList formatList() const; + + void paintBackground(QPainter *); + virtual QVector additionalFormats() const; + void overlayFormat(UiStyle::FormatList &fmtList, quint16 start, quint16 end, UiStyle::FormatType 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); + + virtual bool hasActiveClickable() const; + virtual std::pair activeClickableRange() const; + + qint16 posToCursor(const QPointF &pos) const; + + 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; - QRectF _boundingRect; + mutable QTextLayout *_cachedLayout; - SelectionMode _selectionMode; - qint16 _selectionStart, _selectionEnd; + // internal selection stuff + void setSelection(int start, int length); - friend class ChatLine; + friend class ChatLine; }; + // ************************************************************ // TimestampChatItem // ************************************************************ //! A ChatItem for the timestamp column -class TimestampChatItem : public ChatItem { +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; } - virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::TimestampColumn; } + TimestampChatItem(const QRectF &boundingRect, ChatLine *parent) : ChatItem(boundingRect, parent) {} + inline int type() const override { return ChatScene::TimestampChatItemType; } + inline ChatLineModel::ColumnType column() const override { return ChatLineModel::TimestampColumn; } }; + // ************************************************************ // SenderChatItem // ************************************************************ //! A ChatItem for the sender column -class SenderChatItem : public ChatItem { +class SenderChatItem : public ChatItem +{ public: - 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; } + SenderChatItem(const QRectF &boundingRect, ChatLine *parent) : ChatItem(boundingRect, parent) {} + inline ChatLineModel::ColumnType column() const override { return ChatLineModel::SenderColumn; } + void handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) override; 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); - } + void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override; + inline int type() const override { return ChatScene::SenderChatItemType; } + void initLayout(QTextLayout *layout) const override; }; + // ************************************************************ // ContentsChatItem // ************************************************************ struct ContentsChatItemPrivate; //! A ChatItem for the contents column -class ContentsChatItem : public ChatItem { - Q_DECLARE_TR_FUNCTIONS(ContentsChatItem) +class ContentsChatItem : public ChatItem +{ + Q_DECLARE_TR_FUNCTIONS(ContentsChatItem) public: - ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent); - ~ContentsChatItem(); + ContentsChatItem(const QPointF &pos, const qreal &width, ChatLine *parent); + ~ContentsChatItem() override; - enum { Type = ChatScene::ContentsChatItemType }; - virtual inline int type() const { return Type; } + inline int type() const override { return ChatScene::ContentsChatItemType; } - inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; } - QFontMetricsF *fontMetrics() const; + inline ChatLineModel::ColumnType column() const override { return ChatLineModel::ContentsColumn; } + QFontMetricsF *fontMetrics() const; + + void clearCache() override; 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); + void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override; + void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override; + void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override; + void handleClick(const QPointF &pos, ChatScene::ClickMode clickMode) override; - virtual void addActionsToMenu(QMenu *menu, const QPointF &itemPos); - virtual void copyLinkToClipboard(); + bool hasActiveClickable() const override; + std::pair activeClickableRange() const override; - virtual QVector additionalFormats() const; + void addActionsToMenu(QMenu *menu, const QPointF &itemPos) override; + virtual void copyLinkToClipboard(); - virtual inline void initLayout(QTextLayout *layout) const { - initLayoutHelper(layout, QTextOption::WrapAtWordBoundaryOrAnywhere); - doLayout(layout); - } - virtual void doLayout(QTextLayout *layout) const; - virtual UiStyle::FormatList formatList() const; + void initLayout(QTextLayout *layout) const override; + void doLayout(QTextLayout *layout) const override; + UiStyle::FormatList formatList() const override; private: - class ActionProxy; - class WrapColumnFinder; + class ActionProxy; + class WrapColumnFinder; + + mutable ContentsChatItemPrivate *_data; + ContentsChatItemPrivate *privateData() const; - ContentsChatItemPrivate *_data; - ContentsChatItemPrivate *privateData() const; + Clickable clickableAt(const QPointF &pos) const; - Clickable clickableAt(const QPointF &pos) const; + void endHoverMode(); + void showWebPreview(const Clickable &click); + void clearWebPreview(); - void endHoverMode(); - void showWebPreview(const Clickable &click); - void clearWebPreview(); + qreal setGeometryByWidth(qreal w); - qreal setGeometryByWidth(qreal w); - friend class ChatLine; - friend struct ContentsChatItemPrivate; + QFontMetricsF *_fontMetrics; - QFontMetricsF *_fontMetrics; + // we need a receiver for Action signals + static ActionProxy _actionProxy; - // we need a receiver for Action signals - static ActionProxy _actionProxy; + friend class ChatLine; + friend struct ContentsChatItemPrivate; }; + struct ContentsChatItemPrivate { - ContentsChatItem *contentsItem; - ClickableList clickables; - Clickable currentClickable; - Clickable activeClickable; + ContentsChatItem *contentsItem; + ClickableList clickables; + Clickable currentClickable; + Clickable activeClickable; - ContentsChatItemPrivate(const ClickableList &c, ContentsChatItem *parent) : contentsItem(parent), clickables(c) {} + ContentsChatItemPrivate(ClickableList c, ContentsChatItem *parent) : contentsItem(parent), clickables(std::move(c)) {} }; -class ContentsChatItem::WrapColumnFinder { +class ContentsChatItem::WrapColumnFinder +{ public: - WrapColumnFinder(const ChatItem *parent); - ~WrapColumnFinder(); + WrapColumnFinder(const ChatItem *parent); + ~WrapColumnFinder(); - qint16 nextWrapColumn(qreal width); + qint16 nextWrapColumn(qreal width); private: - const ChatItem *item; - QTextLayout layout; - QTextLine line; - ChatLineModel::WrapList wrapList; - qint16 wordidx; - qint16 lineCount; - qreal choppedTrailing; + 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 +class ContentsChatItem::ActionProxy : public QObject +{ + Q_OBJECT public slots: - inline void copyLinkToClipboard() { item()->copyLinkToClipboard(); } + 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()); - } + /// 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(); } +// 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