* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
-#ifndef _CHATITEM_H_
-#define _CHATITEM_H_
+#ifndef CHATITEM_H_
+#define CHATITEM_H_
#include <QGraphicsItem>
-#include <QPersistentModelIndex>
-#include <QTextLayout>
-#include <QTextOption>
+#include <QObject>
-#include "messagemodel.h"
+#include "chatlinemodel.h"
+#include "chatscene.h"
#include "uistyle.h"
+#include "qtui.h"
-class QGraphicsSceneMouseEvent;
+class QTextLayout;
class ChatItem : public QGraphicsItem {
- public:
- ChatItem(const QPersistentModelIndex &index, QGraphicsItem *parent = 0);
- virtual ~ChatItem();
+protected:
+ ChatItem(ChatLineModel::ColumnType column, QAbstractItemModel *, QGraphicsItem *parent);
+ virtual ~ChatItem();
- virtual QRectF boundingRect() const;
- virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+public:
+ inline const QAbstractItemModel *model() const { return chatScene() ? chatScene()->model() : 0; }
+ inline int row() const;
+ virtual ChatLineModel::ColumnType column() const = 0;
+ inline ChatScene *chatScene() const { return qobject_cast<ChatScene *>(scene()); }
- inline QPersistentModelIndex persistentIndex() const { return _index; }
- inline const MessageModel *model() const { return _index.isValid() ? qobject_cast<const MessageModel *>(_index.model()) : 0; }
- inline int row() const { return _index.isValid() ? _index.row() : 0; }
- QVariant data(int role) const;
- //QString text() const;
- //void setText(const UiStyle::StyledText &text);
+ 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(); }
- //QTextOption textOption() const;
- //void setTextOption(const QTextOption &option);
+ virtual inline bool haveLayout() const { return layout() != 0; }
+ virtual void clearLayout();
+ virtual QTextLayout *createLayout(QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft);
+ virtual void updateLayout();
+ virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
- //void setWidth(int width);
- //virtual void layout();
+ virtual QVariant data(int role) const;
- protected:
- //void mouseMoveEvent ( QGraphicsSceneMouseEvent * event );
+ // returns height
+ qreal setGeometry(qreal width, qreal height = -1);
- private:
- //int _width;
- //QTextLayout _layout;
- //QTextOption _textOption;
- QPersistentModelIndex _index;
+ // selection stuff, to be called by the scene
+ void clearSelection();
+ void setFullSelection();
+ void continueSelecting(const QPointF &pos);
+
+ QList<QRectF> findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive);
+
+protected:
+ virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+ virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
+ virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+
+ virtual inline QTextLayout *layout() const { return _layout; }
+ virtual inline void setLayout(QTextLayout *l) { _layout = l; }
+ virtual inline QVector<QTextLayout::FormatRange> additionalFormats() const { return QVector<QTextLayout::FormatRange>(); }
+ qint16 posToCursor(const QPointF &pos);
+
+ virtual qreal computeHeight();
+
+ QRectF _boundingRect;
+
+private:
+ // internal selection stuff
+ void setSelection(int start, int length);
+
+ QFontMetricsF *_fontMetrics;
+
+ enum SelectionMode { NoSelection, PartialSelection, FullSelection };
+ SelectionMode _selectionMode;
+ qint16 _selectionStart, _selectionEnd;
+
+ QTextLayout *_layout;
};
+/*************************************************************************************************/
+
+//! 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; }
+
+};
+
+/*************************************************************************************************/
+
+//! 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; }
+
+ virtual void updateLayout();
+};
+
+/*************************************************************************************************/
+
+//! A ChatItem for the contents column
+class ContentsChatItem : public ChatItem {
+
+public:
+ ContentsChatItem(QAbstractItemModel *model, QGraphicsItem *parent);
+ virtual ~ContentsChatItem();
+
+ inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; }
+
+ virtual void clearLayout();
+ virtual void updateLayout();
+ virtual inline bool haveLayout() const { return _layoutData != 0 && layout() != 0; }
+
+protected:
+ virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
+ virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+ virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
+ virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+ virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
+
+ virtual inline QTextLayout *layout() const;
+ virtual void setLayout(QTextLayout *l);
+ virtual QVector<QTextLayout::FormatRange> additionalFormats() const;
+
+private:
+ struct LayoutData;
+ struct Clickable;
+ class WrapColumnFinder;
+
+ inline LayoutData *layoutData() const;
+
+ qreal computeHeight();
+ QList<Clickable> findClickables();
+
+ LayoutData *_layoutData;
+};
+
+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; }
+};
+
+struct ContentsChatItem::LayoutData {
+ QTextLayout *layout;
+ QList<Clickable> clickables;
+ Clickable currentClickable;
+
+ LayoutData() { layout = 0; }
+ ~LayoutData() { delete layout; }
+};
+
+class ContentsChatItem::WrapColumnFinder {
+public:
+ WrapColumnFinder(ChatItem *parent);
+ ~WrapColumnFinder();
+
+ qint16 nextWrapColumn();
+
+private:
+ ChatItem *item;
+ QTextLayout *layout;
+ QTextLine line;
+ ChatLineModel::WrapList wrapList;
+ qint16 wordidx;
+ qint16 lastwrapcol;
+ qreal lastwrappos;
+ qreal w;
+};
+
+/*************************************************************************************************/
+
+// Avoid circular include deps
+#include "chatline.h"
+int ChatItem::row() const { return static_cast<ChatLine *>(parentItem())->row(); }
+
+QTextLayout *ContentsChatItem::layout() const { return _layoutData->layout; }
+ContentsChatItem::LayoutData *ContentsChatItem::layoutData() const { Q_ASSERT(_layoutData); return _layoutData; }
+
#endif
projects / quassel.git / blobdiff