/***************************************************************************
- * Copyright (C) 2005-08 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 *
* 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 <QTextLayout>
-#include <QTextOption>
+#include <QAction>
+#include <QObject>
-#include "chatline.h"
#include "chatlinemodel.h"
+#include "chatscene.h"
+#include "clickable.h"
#include "uistyle.h"
+#include "qtui.h"
+
+#include <QTextLayout>
+
+class ChatLine;
+
+/* All external positions are relative to the parent ChatLine */
+/* Yes, that's also true for the boundingRect() and related things */
+
+class ChatItem {
+protected:
+ // boundingRect is relative to the parent ChatLine
+ ChatItem(const QRectF &boundingRect, ChatLine *parent);
+ virtual ~ChatItem() {}
+
+public:
+ inline const QAbstractItemModel *model() const;
+ inline ChatLine *chatLine() const;
+ inline ChatScene *chatScene() const;
+ inline int row() const;
+ virtual ChatLineModel::ColumnType column() const = 0;
+
+ // 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;
+
+ inline QPointF mapToLine(const QPointF &) const;
+ inline QPointF mapFromLine(const QPointF &) const;
+ inline QPointF mapToScene(const QPointF &) const;
+ inline QPointF mapFromScene(const QPointF &) const;
+
+ void initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const;
+ virtual inline void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::NoWrap);
+ doLayout(layout);
+ }
+ virtual void doLayout(QTextLayout *) const;
+ virtual UiStyle::FormatList formatList() const;
+
+ virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+ virtual inline int type() const { return ChatScene::ChatItemType; }
+
+ 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);
+ virtual void hoverEnterEvent(QGraphicsSceneHoverEvent *) {};
+ virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *) {};
+ virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *) {};
+
+ 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; }
+ 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 void setGeometry(qreal width, qreal height) { _boundingRect.setSize(QSizeF(width, height)); }
+ inline void setHeight(const qreal &height) { _boundingRect.setHeight(height); }
+ inline void setWidth(const qreal &width) { _boundingRect.setWidth(width); }
+ inline void setPos(const QPointF &pos) { _boundingRect.moveTopLeft(pos); }
+
+private:
+ ChatLine *_parent;
+ QRectF _boundingRect;
+
+ SelectionMode _selectionMode;
+ qint16 _selectionStart, _selectionEnd;
+
+ // internal selection stuff
+ void setSelection(int start, int length);
+
+ friend class ChatLine;
+};
+
+// ************************************************************
+// TimestampChatItem
+// ************************************************************
+
+//! A ChatItem for the timestamp column
+class TimestampChatItem : public ChatItem {
+public:
+ 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; }
+};
+
+// ************************************************************
+// SenderChatItem
+// ************************************************************
+//! A ChatItem for the sender column
+class SenderChatItem : public ChatItem {
+public:
+ 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);
+ virtual inline int type() const { return ChatScene::SenderChatItemType; }
+ virtual inline void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::ManualWrap, Qt::AlignRight);
+ doLayout(layout);
+ }
+};
+
+// ************************************************************
+// ContentsChatItem
+// ************************************************************
+struct ContentsChatItemPrivate;
+
+//! A ChatItem for the contents column
+class ContentsChatItem : public ChatItem {
+ Q_DECLARE_TR_FUNCTIONS(ContentsChatItem)
+
+public:
+ ContentsChatItem(const QPointF &pos, const qreal &width, ChatLine *parent);
+ ~ContentsChatItem();
+
+ virtual inline int type() const { return ChatScene::ContentsChatItemType; }
+
+ inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; }
+ QFontMetricsF *fontMetrics() const;
+
+protected:
+ virtual void mouseMoveEvent(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 inline void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::WrapAtWordBoundaryOrAnywhere);
+ doLayout(layout);
+ }
+ virtual void doLayout(QTextLayout *layout) const;
+ virtual UiStyle::FormatList formatList() const;
+
+private:
+ class ActionProxy;
+ class WrapColumnFinder;
-class ChatItem : public QGraphicsItem {
+ ContentsChatItemPrivate *_data;
+ ContentsChatItemPrivate *privateData() const;
- public:
- ChatItem(const QPersistentModelIndex &index, QGraphicsItem *parent);
- virtual ~ChatItem();
+ Clickable clickableAt(const QPointF &pos) 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; }
+ void endHoverMode();
+ void showWebPreview(const Clickable &click);
+ void clearWebPreview();
- virtual QRectF boundingRect() const;
- virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
+ qreal setGeometryByWidth(qreal w);
+ friend class ChatLine;
+ friend struct ContentsChatItemPrivate;
- virtual QVariant data(int role) const;
- //QString text() const;
- //void setText(const UiStyle::StyledText &text);
+ QFontMetricsF *_fontMetrics;
- //QTextOption textOption() const;
- //void setTextOption(const QTextOption &option);
+ // we need a receiver for Action signals
+ static ActionProxy _actionProxy;
+};
+
+struct ContentsChatItemPrivate {
+ ContentsChatItem *contentsItem;
+ ClickableList clickables;
+ Clickable currentClickable;
+ Clickable activeClickable;
+
+ ContentsChatItemPrivate(const ClickableList &c, ContentsChatItem *parent) : contentsItem(parent), clickables(c) {}
+};
+
+class ContentsChatItem::WrapColumnFinder {
+public:
+ WrapColumnFinder(const ChatItem *parent);
+ ~WrapColumnFinder();
+
+ qint16 nextWrapColumn(qreal width);
+
+private:
+ const ChatItem *item;
+ QTextLayout layout;
+ QTextLine line;
+ ChatLineModel::WrapList wrapList;
+ qint16 wordidx;
+ qint16 lineCount;
+ qreal choppedTrailing;
+};
- //void setWidth(int width);
- //virtual void layout();
+//! 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
- protected:
- //void mouseMoveEvent ( QGraphicsSceneMouseEvent * event );
+public slots:
+ inline void copyLinkToClipboard() { item()->copyLinkToClipboard(); }
- private:
- //int _width;
- //QTextLayout _layout;
- //QTextOption _textOption;
- QPersistentModelIndex _index;
+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 *>());
+ }
};
+/*************************************************************************************************/
+
+#include "chatline.h" /* avoid circular includes */
+
+// Inlines
+
+ChatLine *ChatItem::chatLine() const { return _parent; }
+ChatScene *ChatItem::chatScene() const { return chatLine()->chatScene(); }
+const QAbstractItemModel *ChatItem::model() const { return chatLine()->model(); }
+int ChatItem::row() const { return chatLine()->row(); }
+
+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(); }
+
+QPointF ChatItem::mapToLine(const QPointF &p) const { return p + pos(); }
+QPointF ChatItem::mapFromLine(const QPointF &p) const { return p - pos(); }
+// relative to the ChatLine
+QPointF ChatItem::mapToScene(const QPointF &p) const { return chatLine()->mapToScene(p /* + pos() */); }
+QPointF ChatItem::mapFromScene(const QPointF &p) const { return chatLine()->mapFromScene(p) /* - pos() */; }
+
#endif
projects / quassel.git / blobdiff