#include "qtui.h"
class QTextLayout;
+struct ChatItemPrivate;
class ChatItem : public QGraphicsItem {
-
protected:
- ChatItem(ChatLineModel::ColumnType column, QAbstractItemModel *, QGraphicsItem *parent);
+ ChatItem(const qreal &width, const qreal &height, const QPointF &pos, ChatLineModel::ColumnType column, QGraphicsItem *parent);
virtual ~ChatItem();
public:
- inline const QAbstractItemModel *model() const { return chatScene() ? chatScene()->model() : 0; }
+ inline const QAbstractItemModel *model() const;
inline int row() const;
virtual ChatLineModel::ColumnType column() const = 0;
inline ChatScene *chatScene() const { return qobject_cast<ChatScene *>(scene()); }
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);
+ inline bool hasLayout() const { return (bool)_data; }
+ QTextLayout *createLayout(QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft);
+ virtual inline QTextLayout *createLayout() { return createLayout(QTextOption::WrapAnywhere); }
+ void clearLayout();
+
virtual void updateLayout();
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
- virtual QVariant data(int role) const;
-
- // returns height
- qreal setGeometry(qreal width, qreal height = -1);
+ QVariant data(int role) const;
// selection stuff, to be called by the scene
void clearSelection();
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; }
+ inline QTextLayout *layout() const;
+
virtual inline QVector<QTextLayout::FormatRange> additionalFormats() const { return QVector<QTextLayout::FormatRange>(); }
qint16 posToCursor(const QPointF &pos);
- virtual qreal computeHeight();
+ inline void ChatItem::setPrivateData(ChatItemPrivate *data) { Q_ASSERT(!_data); _data = data; }
+ inline ChatItemPrivate *ChatItem::privateData() const;
- QRectF _boundingRect;
+ // 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); }
private:
// internal selection stuff
void setSelection(int start, int length);
+ ChatItemPrivate *_data;
+ QRectF _boundingRect;
QFontMetricsF *_fontMetrics;
enum SelectionMode { NoSelection, PartialSelection, FullSelection };
SelectionMode _selectionMode;
qint16 _selectionStart, _selectionEnd;
- QTextLayout *_layout;
+ 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::privateData() const { return _data; }
+
+// ************************************************************
+// TimestampChatItem
+// ************************************************************
//! 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; }
-
+ TimestampChatItem(const qreal &width, const qreal &height, QGraphicsItem *parent) : ChatItem(width, height, QPointF(0, 0), column(), parent) {}
+ virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::TimestampColumn; }
};
-/*************************************************************************************************/
-
+// ************************************************************
+// SenderChatItem
+// ************************************************************
//! 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();
+ SenderChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent) : ChatItem(width, height, pos, column(), parent) {}
+ virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::SenderColumn; }
+ virtual inline QTextLayout *createLayout() { return ChatItem::createLayout(QTextOption::WrapAnywhere, Qt::AlignRight); }
};
-/*************************************************************************************************/
+// ************************************************************
+// ContentsChatItem
+// ************************************************************
+struct ContentsChatItemPrivate;
//! A ChatItem for the contents column
class ContentsChatItem : public ChatItem {
-
public:
- ContentsChatItem(QAbstractItemModel *model, QGraphicsItem *parent);
- virtual ~ContentsChatItem();
+ ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent);
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 mouseMoveEvent(QGraphicsSceneMouseEvent *event);
virtual void mousePressEvent(QGraphicsSceneMouseEvent *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;
+ virtual void updateLayout();
+
private:
- struct LayoutData;
struct Clickable;
class WrapColumnFinder;
- inline LayoutData *layoutData() const;
+ inline ContentsChatItemPrivate *privateData() const;
- qreal computeHeight();
QList<Clickable> findClickables();
void endHoverMode();
- LayoutData *_layoutData;
+ // WARNING: setGeometry and setHeight should not be used without either:
+ // a) calling prepareGeometryChange() immediately before setColumns()
+ // b) calling Chatline::setPos() immediately afterwards
+ qreal setGeometryByWidth(qreal w);
+ friend class ChatLine;
+ friend struct ContentsChatItemPrivate;
};
struct ContentsChatItem::Clickable {
inline bool isValid() const { return type != Invalid; }
};
-struct ContentsChatItem::LayoutData {
- QTextLayout *layout;
- QList<Clickable> clickables;
- Clickable currentClickable;
+struct ContentsChatItemPrivate : ChatItemPrivate {
+ QList<ContentsChatItem::Clickable> clickables;
+ ContentsChatItem::Clickable currentClickable;
bool hasDragged;
- LayoutData() { layout = 0; hasDragged = false; }
- ~LayoutData() { delete layout; }
+ ContentsChatItemPrivate(QTextLayout *l, const QList<ContentsChatItem::Clickable> &c) : ChatItemPrivate(l), clickables(c), hasDragged(false) {}
};
class ContentsChatItem::WrapColumnFinder {
QTextLine line;
ChatLineModel::WrapList wrapList;
qint16 wordidx;
+ qint16 lineCount;
+ qreal choppedTrailing;
qint16 lastwrapcol;
qreal lastwrappos;
- qreal w;
+ qreal width;
};
/*************************************************************************************************/
// 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(); }
-QTextLayout *ContentsChatItem::layout() const { return _layoutData->layout; }
-ContentsChatItem::LayoutData *ContentsChatItem::layoutData() const { Q_ASSERT(_layoutData); return _layoutData; }
+ContentsChatItemPrivate *ContentsChatItem::privateData() const { return (ContentsChatItemPrivate *)privateData(); }
#endif
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