/***************************************************************************
- * Copyright (C) 2005-09 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 *
#define CHATITEM_H_
#include <QAction>
-#include <QGraphicsItem>
#include <QObject>
#include "chatlinemodel.h"
#include "chatscene.h"
+#include "clickable.h"
#include "uistyle.h"
#include "qtui.h"
#include <QTextLayout>
-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;
+ const QAbstractItemModel *model() const;
+ ChatLine *chatLine() const;
+ ChatScene *chatScene() const;
+ ChatView *chatView() const;
+ 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(); }
+ // 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;
- 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;
+ 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 = 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;
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,
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 *) {}
- virtual QTextLayout::FormatRange selectionFormat() const;
- virtual inline QVector<QTextLayout::FormatRange> additionalFormats() const { return QVector<QTextLayout::FormatRange>(); }
+ QTextLayout *layout() const;
+
+ virtual void initLayout(QTextLayout *layout) const;
+ virtual void doLayout(QTextLayout *) const;
+ virtual UiStyle::FormatList formatList() 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;
inline qint16 selectionStart() const { return _selectionStart; }
inline void setSelectionStart(qint16 start) { _selectionStart = start; }
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);
- }
+ 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;
+ mutable QTextLayout *_cachedLayout;
+
+ // internal selection stuff
+ void setSelection(int start, int length);
+
friend class ChatLine;
};
//! 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 void initLayout(QTextLayout *layout) const {
- initLayoutHelper(layout, QTextOption::ManualWrap, Qt::AlignRight);
- doLayout(layout);
- }
+ virtual inline int type() const { return ChatScene::SenderChatItemType; }
+ virtual void initLayout(QTextLayout *layout) const;
};
// ************************************************************
//! A ChatItem for the contents column
class ContentsChatItem : public ChatItem {
- Q_DECLARE_TR_FUNCTIONS(ContentsChatItem);
+ 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; }
QFontMetricsF *fontMetrics() const;
+ virtual void clearCache();
+
protected:
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
virtual QVector<QTextLayout::FormatRange> additionalFormats() const;
- virtual inline void initLayout(QTextLayout *layout) const {
- initLayoutHelper(layout, QTextOption::WrapAnywhere);
- doLayout(layout);
- }
+ virtual void initLayout(QTextLayout *layout) const;
virtual void doLayout(QTextLayout *layout) const;
+ virtual UiStyle::FormatList formatList() const;
private:
- struct Clickable;
class ActionProxy;
class WrapColumnFinder;
- ContentsChatItemPrivate *_data;
+ mutable ContentsChatItemPrivate *_data;
ContentsChatItemPrivate *privateData() const;
- QList<Clickable> findClickables() const;
Clickable clickableAt(const QPointF &pos) const;
void endHoverMode();
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 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; }
+ friend class ChatLine;
+ friend struct ContentsChatItemPrivate;
};
struct ContentsChatItemPrivate {
ContentsChatItem *contentsItem;
- QList<ContentsChatItem::Clickable> clickables;
- ContentsChatItem::Clickable currentClickable;
- ContentsChatItem::Clickable activeClickable;
+ ClickableList clickables;
+ Clickable currentClickable;
+ Clickable activeClickable;
- ContentsChatItemPrivate(const QList<ContentsChatItem::Clickable> &c, ContentsChatItem *parent) : contentsItem(parent), clickables(c) {}
+ ContentsChatItemPrivate(const ClickableList &c, ContentsChatItem *parent) : contentsItem(parent), clickables(c) {}
};
class ContentsChatItem::WrapColumnFinder {
WrapColumnFinder(const ChatItem *parent);
~WrapColumnFinder();
- qint16 nextWrapColumn();
+ qint16 nextWrapColumn(qreal width);
private:
const ChatItem *item;
/*************************************************************************************************/
-// 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(); }
+// 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
projects / quassel.git / blobdiff