/***************************************************************************
- * 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 *
#ifndef CHATITEM_H_
#define CHATITEM_H_
-#include <QGraphicsItem>
+#include <QAction>
#include <QObject>
#include "chatlinemodel.h"
#include "chatscene.h"
+#include "clickable.h"
#include "uistyle.h"
#include "qtui.h"
-class QTextLayout;
-struct ChatItemPrivate;
+#include <QTextLayout>
-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, 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<ChatScene *>(scene()); }
-
- inline QRectF boundingRect() const { return _boundingRect; }
- 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();
+ // 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 paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
- enum { Type = ChatScene::ChatItemType };
- virtual inline int type() const { return Type; }
+ virtual inline int type() const { return ChatScene::ChatItemType; }
QVariant data(int role) const;
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:
+ 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<QTextLayout::FormatRange> selectionFormats() const;
+ virtual QVector<QTextLayout::FormatRange> additionalFormats() const;
+ void overlayFormat(UiStyle::FormatList &fmtList, int start, int end, quint32 overlayFmt) const;
- virtual QTextLayout::FormatRange selectionFormat() const;
- virtual inline QVector<QTextLayout::FormatRange> additionalFormats() const { return QVector<QTextLayout::FormatRange>(); }
+ 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;
- 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
- 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);
- }
+ 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;
- 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::newPrivateData() { return new ChatItemPrivate(createLayout(QTextOption::WrapAnywhere)); }
-
// ************************************************************
// TimestampChatItem
// ************************************************************
//! 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), parent) {}
- enum { Type = ChatScene::TimestampChatItemType };
- virtual inline int type() const { return Type; }
+ 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; }
};
//! 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, parent) {}
+ SenderChatItem(const QRectF &boundingRect, ChatLine *parent) : ChatItem(boundingRect, parent) {}
virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::SenderColumn; }
+ virtual void handleClick(const QPointF &pos, ChatScene::ClickMode clickMode);
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 ChatItemPrivate *newPrivateData() { return new ChatItemPrivate(createLayout(QTextOption::ManualWrap, Qt::AlignRight)); }
+ virtual inline int type() const { return ChatScene::SenderChatItemType; }
+ 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(const QPointF &pos, const qreal &width, ChatLine *parent);
+ ~ContentsChatItem();
- enum { Type = ChatScene::ContentsChatItemType };
- virtual inline int type() const { return Type; }
+ virtual inline int type() const { return ChatScene::ContentsChatItemType; }
inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; }
- inline QFontMetricsF *fontMetrics() const { return _fontMetrics; }
+ QFontMetricsF *fontMetrics() const;
protected:
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::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<Clickable> findClickables() const;
void endHoverMode();
void showWebPreview(const Clickable &click);
void clearWebPreview();
friend struct ContentsChatItemPrivate;
QFontMetricsF *_fontMetrics;
-};
-
-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;
-
- 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 {
+struct ContentsChatItemPrivate {
ContentsChatItem *contentsItem;
- QList<ContentsChatItem::Clickable> clickables;
- ContentsChatItem::Clickable currentClickable;
+ ClickableList clickables;
+ Clickable currentClickable;
+ Clickable activeClickable;
- ContentsChatItemPrivate(QTextLayout *l, const QList<ContentsChatItem::Clickable> &c, ContentsChatItem *parent)
- : ChatItemPrivate(l), contentsItem(parent), clickables(c) {}
+ ContentsChatItemPrivate(const ClickableList &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();
+ qint16 nextWrapColumn(qreal width);
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
-#include "chatline.h"
-const QAbstractItemModel *ChatItem::model() const { return static_cast<ChatLine *>(parentItem())->model(); }
-int ChatItem::row() const { return static_cast<ChatLine *>(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(); }
+
+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
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