/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-2013 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef CHATITEM_H_
#define CHATITEM_H_
-#include <QGraphicsItem>
+#include <QAction>
#include <QObject>
#include "chatlinemodel.h"
#include "chatscene.h"
+#include "clickable.h"
#include "uistyle.h"
#include "qtui.h"
-class QTextLayout;
-struct ChatItemPrivate;
+#include <QTextLayout>
-class ChatItem : public QGraphicsItem {
-protected:
- ChatItem(const qreal &width, const qreal &height, const QPointF &pos, QGraphicsItem *parent);
- virtual ~ChatItem();
-
-public:
- 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 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); }
- virtual void updateLayout();
- void clearLayout();
-
- virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
-
- QVariant data(int role) const;
-
- // selection stuff, to be called by the scene
- void clearSelection();
- void setFullSelection();
- void continueSelecting(const QPointF &pos);
+class ChatLine;
+class ChatView;
- QList<QRectF> findWords(const QString &searchWord, Qt::CaseSensitivity caseSensitive);
+/* All external positions are relative to the parent ChatLine */
+/* Yes, that's also true for the boundingRect() and related things */
+class ChatItem
+{
protected:
- virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
- virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);
- virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
+ // boundingRect is relative to the parent ChatLine
+ ChatItem(const QRectF &boundingRect, ChatLine *parent);
+ virtual ~ChatItem();
- inline QTextLayout *layout() const;
-
- virtual inline QVector<QTextLayout::FormatRange> additionalFormats() const { return QVector<QTextLayout::FormatRange>(); }
- qint16 posToCursor(const QPointF &pos);
-
- inline void setPrivateData(ChatItemPrivate *data) { Q_ASSERT(!_data); _data = data; }
- inline ChatItemPrivate *privateData() const;
+public:
+ const QAbstractItemModel *model() const;
+ ChatLine *chatLine() const;
+ ChatScene *chatScene() const;
+ ChatView *chatView() const;
+ 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;
+
+ QPointF mapToLine(const QPointF &) const;
+ QPointF mapFromLine(const QPointF &) const;
+ QPointF mapToScene(const QPointF &) const;
+ QPointF mapFromScene(const QPointF &) 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);
+
+ void initLayoutHelper(QTextLayout *layout, QTextOption::WrapMode, Qt::Alignment = Qt::AlignLeft) const;
+
+ //! Remove internally cached data
+ /** This removes e.g. the cached QTextLayout to avoid wasting space for nonvisible ChatLines
+ */
+ virtual void clearCache();
- // 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); }
+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 *) {}
+
+ QTextLayout *layout() const;
+
+ virtual void initLayout(QTextLayout *layout) const;
+ virtual void doLayout(QTextLayout *) const;
+ virtual UiStyle::FormatList formatList() const;
+
+ 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) { clearCache(); _boundingRect.setSize(QSizeF(width, height)); }
+ inline void setHeight(const qreal &height) { clearCache(); _boundingRect.setHeight(height); }
+ inline void setWidth(const qreal &width) { clearCache(); _boundingRect.setWidth(width); }
+ inline void setPos(const QPointF &pos) { _boundingRect.moveTopLeft(pos); }
private:
- // internal selection stuff
- void setSelection(int start, int length);
+ ChatLine *_parent;
+ QRectF _boundingRect;
- ChatItemPrivate *_data;
- QRectF _boundingRect;
+ SelectionMode _selectionMode;
+ qint16 _selectionStart, _selectionEnd;
- enum SelectionMode { NoSelection, PartialSelection, FullSelection };
- SelectionMode _selectionMode;
- qint16 _selectionStart, _selectionEnd;
+ mutable QTextLayout *_cachedLayout;
- friend class ChatLine;
-};
+ // internal selection stuff
+ void setSelection(int start, int length);
-struct ChatItemPrivate {
- QTextLayout *layout;
- ChatItemPrivate(QTextLayout *l) : layout(l) {}
- ~ChatItemPrivate() {
- delete layout;
- }
+ friend class ChatLine;
};
-// 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 {
+class TimestampChatItem : public ChatItem
+{
public:
- TimestampChatItem(const qreal &width, const qreal &height, QGraphicsItem *parent) : ChatItem(width, height, QPointF(0, 0), parent) {}
- virtual inline ChatLineModel::ColumnType column() const { return ChatLineModel::TimestampColumn; }
+ 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 {
+class SenderChatItem : public ChatItem
+{
public:
- 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); }
+ 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 void initLayout(QTextLayout *layout) const;
};
+
// ************************************************************
// ContentsChatItem
// ************************************************************
struct ContentsChatItemPrivate;
//! A ChatItem for the contents column
-class ContentsChatItem : public ChatItem {
+class ContentsChatItem : public ChatItem
+{
+ Q_DECLARE_TR_FUNCTIONS(ContentsChatItem)
+
public:
- ContentsChatItem(const qreal &width, const QPointF &pos, QGraphicsItem *parent);
+ 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;
- inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; }
- inline QFontMetricsF *fontMetrics() const { return _fontMetrics; }
+ virtual void clearCache();
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 mouseMoveEvent(QGraphicsSceneMouseEvent *event);
+ virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
+ virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
+ virtual void handleClick(const QPointF &pos, ChatScene::ClickMode clickMode);
- virtual QVector<QTextLayout::FormatRange> additionalFormats() const;
+ virtual void addActionsToMenu(QMenu *menu, const QPointF &itemPos);
+ virtual void copyLinkToClipboard();
- virtual void updateLayout();
+ virtual QVector<QTextLayout::FormatRange> additionalFormats() const;
+
+ virtual void initLayout(QTextLayout *layout) const;
+ virtual void doLayout(QTextLayout *layout) const;
+ virtual UiStyle::FormatList formatList() const;
private:
- struct Clickable;
- class WrapColumnFinder;
+ class ActionProxy;
+ class WrapColumnFinder;
- inline ContentsChatItemPrivate *privateData() const;
+ mutable ContentsChatItemPrivate *_data;
+ ContentsChatItemPrivate *privateData() const;
- QList<Clickable> findClickables();
- void endHoverMode();
- void showWebPreview(const Clickable &click);
- void clearWebPreview();
+ 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;
+ qreal setGeometryByWidth(qreal w);
- QFontMetricsF *_fontMetrics;
-};
+ QFontMetricsF *_fontMetrics;
-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; }
+ // we need a receiver for Action signals
+ static ActionProxy _actionProxy;
+
+ friend class ChatLine;
+ friend struct ContentsChatItemPrivate;
};
-struct ContentsChatItemPrivate : ChatItemPrivate {
- ContentsChatItem *contentsItem;
- QList<ContentsChatItem::Clickable> clickables;
- ContentsChatItem::Clickable currentClickable;
- bool hasDragged;
- ContentsChatItemPrivate(QTextLayout *l, const QList<ContentsChatItem::Clickable> &c, ContentsChatItem *parent) : ChatItemPrivate(l), contentsItem(parent), clickables(c), hasDragged(false) {}
+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();
-//inlines regarding ContentsChatItemPrivate
-ContentsChatItemPrivate *ContentsChatItem::privateData() const { return (ContentsChatItemPrivate *)ChatItem::privateData(); }
+ qint16 nextWrapColumn(qreal width);
-class ContentsChatItem::WrapColumnFinder {
-public:
- WrapColumnFinder(ChatItem *parent);
- ~WrapColumnFinder();
+private:
+ const ChatItem *item;
+ QTextLayout layout;
+ QTextLine line;
+ ChatLineModel::WrapList wrapList;
+ qint16 wordidx;
+ qint16 lineCount;
+ qreal choppedTrailing;
+};
- qint16 nextWrapColumn();
+
+//! 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:
- ChatItem *item;
- QTextLayout *layout;
- QTextLine line;
- ChatLineModel::WrapList wrapList;
- qint16 wordidx;
- qint16 lineCount;
- qreal choppedTrailing;
+ /// 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 *>());
+ }
};
+
/*************************************************************************************************/
-// 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(); }
+// Inlines
+
+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(); }
#endif
projects / quassel.git / blobdiff