/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-09 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
#ifndef CHATITEM_H_
#define CHATITEM_H_
+#include <QAction>
#include <QGraphicsItem>
#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 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();
+ 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);
+ 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;
+ 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;
- virtual inline QVector<QTextLayout::FormatRange> additionalFormats() const { return QVector<QTextLayout::FormatRange>(); }
- qint16 posToCursor(const QPointF &pos);
+ 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);
- inline void setPrivateData(ChatItemPrivate *data) { Q_ASSERT(!_data); _data = data; }
- inline ChatItemPrivate *privateData() const;
+ qint16 posToCursor(const QPointF &pos) const;
// 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
void setSelection(int start, int length);
- ChatItemPrivate *_data;
QRectF _boundingRect;
- enum SelectionMode { NoSelection, PartialSelection, FullSelection };
SelectionMode _selectionMode;
qint16 _selectionStart, _selectionEnd;
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
// ************************************************************
class TimestampChatItem : public ChatItem {
public:
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; }
};
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); }
+
+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 void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::ManualWrap, Qt::AlignRight);
+ doLayout(layout);
+ }
};
// ************************************************************
//! 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);
+ ~ContentsChatItem();
+
+ enum { Type = ChatScene::ContentsChatItemType };
+ virtual inline int type() const { return Type; }
inline ChatLineModel::ColumnType column() const { return ChatLineModel::ContentsColumn; }
+ QFontMetricsF *fontMetrics() const;
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 inline void initLayout(QTextLayout *layout) const {
+ initLayoutHelper(layout, QTextOption::WrapAtWordBoundaryOrAnywhere);
+ doLayout(layout);
+ }
+ virtual void doLayout(QTextLayout *layout) const;
+ virtual UiStyle::FormatList formatList() const;
private:
- struct Clickable;
+ class ActionProxy;
class WrapColumnFinder;
- inline ContentsChatItemPrivate *privateData() const;
+ ContentsChatItemPrivate *_data;
+ ContentsChatItemPrivate *privateData() const;
+
+ Clickable clickableAt(const QPointF &pos) const;
- QList<Clickable> findClickables();
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;
- inline QFontMetricsF *fontMetrics() const { return _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;
};
-struct ContentsChatItemPrivate : ChatItemPrivate {
+struct ContentsChatItemPrivate {
ContentsChatItem *contentsItem;
- QList<ContentsChatItem::Clickable> clickables;
- ContentsChatItem::Clickable currentClickable;
- bool hasDragged;
-
-#ifdef HAVE_WEBKIT
- ContentsChatItemPrivate(QTextLayout *l, const QList<ContentsChatItem::Clickable> &c, ContentsChatItem *parent) : ChatItemPrivate(l), contentsItem(parent), clickables(c), hasDragged(false), controller(0) {}
-#else
- ContentsChatItemPrivate(QTextLayout *l, const QList<ContentsChatItem::Clickable> &c, ContentsChatItem *parent) : ChatItemPrivate(l), contentsItem(parent), clickables(c), hasDragged(false) {}
-#endif
- ~ContentsChatItemPrivate();
+ ClickableList clickables;
+ Clickable currentClickable;
+ Clickable activeClickable;
-#ifdef HAVE_WEBKIT
- void loadWebPreview(const QString &url, const QRectF &urlRect);
- void clearPreview();
-
-private:
- class PreviewController;
- class PreviewItem;
- PreviewController *controller;
-#endif //#ifdef HAVE_WEBKIT
+ ContentsChatItemPrivate(const ClickableList &c, ContentsChatItem *parent) : contentsItem(parent), clickables(c) {}
};
-#ifdef HAVE_WEBKIT
-class ContentsChatItemPrivate::PreviewController : public QObject {
- Q_OBJECT
-public:
- PreviewController(ContentsChatItem *contentsItem) : contentsItem(contentsItem), previewItem(0) {}
- ~PreviewController();
-
- void loadPage(const QString &url, const QRectF &urlRect);
-
-private slots:
- void pageLoaded(bool success);
-
-private:
- ContentsChatItem *contentsItem;
- ContentsChatItemPrivate::PreviewItem *previewItem;
-
- QString url;
-};
-
-class QWebView;
-class ContentsChatItemPrivate::PreviewItem : public QGraphicsItem {
-public:
- PreviewItem(QWebView *webView);
- virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
- virtual inline QRectF boundingRect() const { return _boundingRect; }
-
-private:
- QRectF _boundingRect;
-};
-#endif //#ifdef HAVE_WEBKIT
-
-//inlines regarding ContentsChatItemPrivate
-ContentsChatItemPrivate *ContentsChatItem::privateData() const { return (ContentsChatItemPrivate *)ChatItem::privateData(); }
-
class ContentsChatItem::WrapColumnFinder {
public:
- WrapColumnFinder(ChatItem *parent);
+ WrapColumnFinder(const ChatItem *parent);
~WrapColumnFinder();
- qint16 nextWrapColumn();
+ qint16 nextWrapColumn(qreal width);
private:
- ChatItem *item;
- QTextLayout *layout;
+ const ChatItem *item;
+ QTextLayout layout;
QTextLine line;
ChatLineModel::WrapList wrapList;
qint16 wordidx;
qreal choppedTrailing;
};
+//! 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 *>());
+ }
+};
+
/*************************************************************************************************/
// Avoid circular include deps
projects / quassel.git / blobdiff