#define CHATITEM_H_
#include <QGraphicsItem>
+#include <QObject>
-#include "chatline.h"
#include "chatlinemodel.h"
+#include "chatscene.h"
#include "uistyle.h"
+#include "qtui.h"
class QTextLayout;
class ChatItem : public QGraphicsItem {
- public:
- ChatItem(const QPersistentModelIndex &index, QGraphicsItem *parent);
- virtual ~ChatItem();
+protected:
+ ChatItem(ChatLineModel::ColumnType column, QAbstractItemModel *, QGraphicsItem *parent);
+ virtual ~ChatItem();
+
+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 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(); }
+
+ 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);
+
+ virtual QVariant data(int role) const;
- inline QPersistentModelIndex index() 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; }
+ // returns height
+ qreal setGeometry(qreal width, qreal height = -1);
- inline QFontMetricsF *fontMetrics() const { return _fontMetrics; }
- inline virtual QRectF boundingRect() const { return _boundingRect; }
- inline qreal width() const { return _boundingRect.width(); }
- inline qreal height() const { return _boundingRect.height(); }
+ // selection stuff, to be called by the scene
+ void clearSelection();
+ void setFullSelection();
+ void continueSelecting(const QPointF &pos);
- inline bool haveLayout() const { return _layout != 0; }
- void clearLayout();
- void updateLayout();
- virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+ QList<QRectF> findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive);
- virtual QVariant data(int role) const;
+protected:
+ virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+ virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
+ virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
- // returns height
- int setWidth(int width);
+ virtual inline QTextLayout *layout() const { return _layout; }
+ virtual inline void setLayout(QTextLayout *l) { _layout = l; }
+ qint16 posToCursor(const QPointF &pos);
- protected:
- //void mouseMoveEvent ( QGraphicsSceneMouseEvent * event );
+ virtual qreal computeHeight();
- private:
- int heightForWidth(int width);
- QTextLayout *createLayout(QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft);
+ QRectF _boundingRect;
- QRectF _boundingRect;
- QFontMetricsF *_fontMetrics;
- quint8 _lines;
- QPersistentModelIndex _index;
+private:
+ // internal selection stuff
+ void setSelection(int start, int length);
- QTextLayout *_layout;
- QList<quint16> _wrapPositions;
+ QFontMetricsF *_fontMetrics;
- class WrapColumnFinder;
+ enum SelectionMode { NoSelection, PartialSelection, FullSelection };
+ SelectionMode _selectionMode;
+ qint16 _selectionStart, _selectionEnd;
+
+ QTextLayout *_layout;
};
-class ChatItem::WrapColumnFinder {
- public:
- WrapColumnFinder(ChatItem *parent);
- ~WrapColumnFinder();
-
- int nextWrapColumn();
-
- private:
- ChatItem *item;
- QTextLayout *layout;
- QTextLine line;
- ChatLineModel::WrapList wrapList;
- int wordidx;
- int lastwrapcol;
- qreal lastwrappos;
- qreal w;
+/*************************************************************************************************/
+
+//! 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 hoverEnterEvent(QGraphicsSceneHoverEvent *event);
+ virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+ virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
+
+ virtual inline QTextLayout *layout() const;
+ virtual void setLayout(QTextLayout *l);
+
+private:
+ struct LayoutData;
+ class WrapColumnFinder;
+
+ qreal computeHeight();
+
+ LayoutData *_layoutData;
+};
+
+struct ContentsChatItem::LayoutData {
+ QTextLayout *layout;
+
+ 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; }
+
#endif