/***************************************************************************
- * 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 *
#ifndef CHATITEM_H_
#define CHATITEM_H_
+#include <QAction>
#include <QGraphicsItem>
#include <QObject>
#include "uistyle.h"
#include "qtui.h"
-class QTextLayout;
-struct ChatItemPrivate;
+#include <QTextLayout>
class ChatItem : public QGraphicsItem {
protected:
ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent);
- virtual ~ChatItem();
public:
inline const QAbstractItemModel *model() const;
inline qreal width() const { return _boundingRect.width(); }
inline qreal height() const { return _boundingRect.height(); }
- QTextLayout *createLayout(QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const;
- virtual void doLayout();
- void clearLayout();
+ void initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const;
+ virtual inline void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::WrapAnywhere);
+ doLayout(layout);
+ }
+ virtual void doLayout(QTextLayout *) const;
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
enum { Type = ChatScene::ChatItemType };
QList<QRectF> findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive);
+ virtual void addActionsToMenu(QMenu *menu, const QPointF &itemPos);
virtual void handleClick(const QPointF &pos, ChatScene::ClickMode);
protected:
virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
- inline QTextLayout *layout() const;
-
virtual QTextLayout::FormatRange selectionFormat() const;
virtual inline QVector<QTextLayout::FormatRange> additionalFormats() const { return QVector<QTextLayout::FormatRange>(); }
qint16 posToCursor(const QPointF &pos) const;
- inline bool hasPrivateData() const { return (bool)_data; }
- ChatItemPrivate *privateData() const;
- virtual inline ChatItemPrivate *newPrivateData();
-
// WARNING: setGeometry and setHeight should not be used without either:
// a) calling prepareGeometryChange() immediately before setColumns()
// b) calling Chatline::setPos() immediately afterwards
// internal selection stuff
void setSelection(int start, int length);
- ChatItemPrivate *_data;
QRectF _boundingRect;
SelectionMode _selectionMode;
friend class ChatLine;
};
-struct ChatItemPrivate {
- QTextLayout *layout;
- ChatItemPrivate(QTextLayout *l) : layout(l) {}
- ~ChatItemPrivate() {
- delete layout;
- }
-};
-
-// inlines of ChatItem
-QTextLayout *ChatItem::layout() const { return privateData()->layout; }
-ChatItemPrivate *ChatItem::newPrivateData() { return new ChatItemPrivate(createLayout(QTextOption::WrapAnywhere)); }
-
// ************************************************************
// TimestampChatItem
// ************************************************************
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
enum { Type = ChatScene::SenderChatItemType };
virtual inline int type() const { return Type; }
- virtual inline ChatItemPrivate *newPrivateData() { return new ChatItemPrivate(createLayout(QTextOption::ManualWrap, Qt::AlignRight)); }
+ virtual inline void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::ManualWrap, Qt::AlignRight);
+ doLayout(layout);
+ }
};
// ************************************************************
//! 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();
enum { Type = ChatScene::ContentsChatItemType };
virtual inline int type() const { return Type; }
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
- virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *event);
-
virtual void handleClick(const QPointF &pos, ChatScene::ClickMode clickMode);
+ virtual void addActionsToMenu(QMenu *menu, const QPointF &itemPos);
+ virtual void copyLinkToClipboard();
+
virtual QVector<QTextLayout::FormatRange> additionalFormats() const;
- virtual void doLayout();
- virtual inline ChatItemPrivate *newPrivateData();
+ virtual inline void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::WrapAnywhere);
+ doLayout(layout);
+ }
+ virtual void doLayout(QTextLayout *layout) const;
private:
struct Clickable;
+ class ActionProxy;
class WrapColumnFinder;
- inline ContentsChatItemPrivate *privateData() const;
+ ContentsChatItemPrivate *_data;
+ ContentsChatItemPrivate *privateData() const;
QList<Clickable> findClickables() const;
+ Clickable clickableAt(const QPointF &pos) const;
+
void endHoverMode();
void showWebPreview(const Clickable &click);
void clearWebPreview();
friend struct ContentsChatItemPrivate;
QFontMetricsF *_fontMetrics;
+
+ // we need a receiver for Action signals
+ static ActionProxy _actionProxy;
};
struct ContentsChatItem::Clickable {
inline bool isValid() const { return type != Invalid; }
};
-struct ContentsChatItemPrivate : ChatItemPrivate {
+struct ContentsChatItemPrivate {
ContentsChatItem *contentsItem;
QList<ContentsChatItem::Clickable> clickables;
ContentsChatItem::Clickable currentClickable;
+ ContentsChatItem::Clickable activeClickable;
- ContentsChatItemPrivate(QTextLayout *l, const QList<ContentsChatItem::Clickable> &c, ContentsChatItem *parent)
- : ChatItemPrivate(l), contentsItem(parent), clickables(c) {}
+ ContentsChatItemPrivate(const QList<ContentsChatItem::Clickable> &c, ContentsChatItem *parent) : contentsItem(parent), clickables(c) {}
};
-//inlines regarding ContentsChatItemPrivate
-ChatItemPrivate *ContentsChatItem::newPrivateData() {
- return new ContentsChatItemPrivate(createLayout(QTextOption::WrapAnywhere), findClickables(), this);
-}
-ContentsChatItemPrivate *ContentsChatItem::privateData() const { return (ContentsChatItemPrivate *)ChatItem::privateData(); }
-
class ContentsChatItem::WrapColumnFinder {
public:
- WrapColumnFinder(ChatItem *parent);
+ WrapColumnFinder(const ChatItem *parent);
~WrapColumnFinder();
qint16 nextWrapColumn();
private:
- ChatItem *item;
- QTextLayout *layout;
+ const ChatItem *item;
+ QTextLayout layout;
QTextLine line;
ChatLineModel::WrapList wrapList;
qint16 wordidx;
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<ContentsChatItem *>(qobject_cast<QAction *>(sender())->data().value<void *>());
+ }
+};
+
/*************************************************************************************************/
// Avoid circular include deps