#ifndef CHATITEM_H_
#define CHATITEM_H_
+#include <QAction>
#include <QGraphicsItem>
#include <QObject>
class ChatItem : public QGraphicsItem {
protected:
- ChatItem(const qreal &width, const qreal &height, const QPointF &pos, ChatLineModel::ColumnType column, QGraphicsItem *parent);
+ ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent);
virtual ~ChatItem();
public:
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(); }
- inline bool hasLayout() const { return (bool)_data; }
- QTextLayout *createLayout(QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft);
- virtual inline QTextLayout *createLayout() { return createLayout(QTextOption::WrapAnywhere); }
+ QTextLayout *createLayout(QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const;
+ virtual void doLayout();
void clearLayout();
- virtual void updateLayout();
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+ enum { Type = ChatScene::ChatItemType };
+ virtual inline int type() const { return Type; }
QVariant data(int role) const;
// selection stuff, to be called by the scene
+ QString selection() const;
void clearSelection();
void setFullSelection();
void continueSelecting(const QPointF &pos);
+ bool hasSelection() const;
+ bool isPosOverSelection(const QPointF &pos) 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);
inline QTextLayout *layout() const;
+ virtual QTextLayout::FormatRange selectionFormat() const;
virtual inline QVector<QTextLayout::FormatRange> additionalFormats() const { return QVector<QTextLayout::FormatRange>(); }
- qint16 posToCursor(const QPointF &pos);
- inline void ChatItem::setPrivateData(ChatItemPrivate *data) { Q_ASSERT(!_data); _data = data; }
- inline ChatItemPrivate *ChatItem::privateData() const;
+ 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()
_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 setHeight(const qreal &height) {
+ _boundingRect.setHeight(height);
+ }
+ inline void setWidth(const qreal &width) {
+ _boundingRect.setWidth(width);
+ }
private:
// internal selection stuff
ChatItemPrivate *_data;
QRectF _boundingRect;
- QFontMetricsF *_fontMetrics;
- enum SelectionMode { NoSelection, PartialSelection, FullSelection };
SelectionMode _selectionMode;
qint16 _selectionStart, _selectionEnd;
struct ChatItemPrivate {
QTextLayout *layout;
ChatItemPrivate(QTextLayout *l) : layout(l) {}
- ~ChatItemPrivate() {
+ virtual ~ChatItemPrivate() {
delete layout;
}
};
// inlines of ChatItem
QTextLayout *ChatItem::layout() const { return privateData()->layout; }
-ChatItemPrivate *ChatItem::privateData() const { return _data; }
+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), column(), parent) {}
+ 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; }
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, column(), parent) {}
+ SenderChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent) : ChatItem(width, height, pos, parent) {}
virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::SenderColumn; }
- virtual inline QTextLayout *createLayout() { return ChatItem::createLayout(QTextOption::WrapAnywhere, Qt::AlignRight); }
+
+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)); }
};
// ************************************************************
//! 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);
+ enum { Type = ChatScene::ContentsChatItemType };
+ virtual inline int type() const { return Type; }
+
inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; }
+ inline QFontMetricsF *fontMetrics() const { return _fontMetrics; }
protected:
virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
- virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
- virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *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 updateLayout();
+ virtual void doLayout();
+ virtual inline ChatItemPrivate *newPrivateData();
private:
struct Clickable;
+ class ActionProxy;
class WrapColumnFinder;
inline ContentsChatItemPrivate *privateData() const;
- QList<Clickable> findClickables();
+ QList<Clickable> findClickables() const;
+ Clickable clickableAt(const QPointF &pos) const;
+
void endHoverMode();
+ void showWebPreview(const Clickable &click);
+ void clearWebPreview();
- // 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;
+
+ QFontMetricsF *_fontMetrics;
+
+ // we need a receiver for Action signals
+ static ActionProxy _actionProxy;
};
struct ContentsChatItem::Clickable {
};
struct ContentsChatItemPrivate : ChatItemPrivate {
+ ContentsChatItem *contentsItem;
QList<ContentsChatItem::Clickable> clickables;
ContentsChatItem::Clickable currentClickable;
- bool hasDragged;
+ ContentsChatItem::Clickable activeClickable;
- ContentsChatItemPrivate(QTextLayout *l, const QList<ContentsChatItem::Clickable> &c) : ChatItemPrivate(l), clickables(c), hasDragged(false) {}
+ ContentsChatItemPrivate(QTextLayout *l, const QList<ContentsChatItem::Clickable> &c, ContentsChatItem *parent)
+ : ChatItemPrivate(l), 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);
qint16 wordidx;
qint16 lineCount;
qreal choppedTrailing;
- qint16 lastwrapcol;
- qreal lastwrappos;
- qreal width;
+};
+
+//! 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 *>());
+ }
};
/*************************************************************************************************/
const QAbstractItemModel *ChatItem::model() const { return static_cast<ChatLine *>(parentItem())->model(); }
int ChatItem::row() const { return static_cast<ChatLine *>(parentItem())->row(); }
-ContentsChatItemPrivate *ContentsChatItem::privateData() const { return (ContentsChatItemPrivate *)privateData(); }
-
#endif