X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatscene.h;h=3ec77f530d9bf18921a84b1ac92eae5b9bdf99aa;hp=22dcb479a7dd289a1d7c7c84ca1e9a24df702e4e;hb=53c7a85fd154fa18eab6217bfd4b173307c47e5d;hpb=bd37d2c94e49e791d2ba44baab4270e030442832 diff --git a/src/qtui/chatscene.h b/src/qtui/chatscene.h index 22dcb479..3ec77f53 100644 --- a/src/qtui/chatscene.h +++ b/src/qtui/chatscene.h @@ -1,5 +1,5 @@ /*************************************************************************** - * 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 * @@ -18,74 +18,197 @@ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ -#ifndef _CHATSCENE_H_ -#define _CHATSCENE_H_ +#ifndef CHATSCENE_H_ +#define CHATSCENE_H_ #include +#include +#include #include #include +#include + +#include "chatlinemodel.h" +#include "messagefilter.h" class AbstractUiMsg; -class Buffer; class ChatItem; class ChatLine; +class ChatView; class ColumnHandleItem; +class WebPreviewItem; class QGraphicsSceneMouseEvent; class ChatScene : public QGraphicsScene { Q_OBJECT - public: - ChatScene(QAbstractItemModel *model, const QString &idString, QObject *parent); - virtual ~ChatScene(); - - Buffer *buffer() const; - inline QAbstractItemModel *model() const { return _model; } - inline QString idString() const { return _idString; } - - public slots: - void setWidth(qreal); - - // these are used by the chatitems to notify the scene and manage selections - void setSelectingItem(ChatItem *item); - ChatItem *selectingItem() const { return _selectingItem; } - void startGlobalSelection(ChatItem *item, const QPointF &itemPos); - - signals: - void heightChanged(qreal height); - - protected: - virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent); - virtual void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent); - virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent); - - protected slots: - void rowsInserted(const QModelIndex &, int, int); - void modelReset(); - - private slots: - void rectChanged(const QRectF &); - void handlePositionChanged(qreal xpos); - - private: - void updateSelection(const QPointF &pos); - QString selectionToString() const; - - QString _idString; - qreal _width, _height; - QAbstractItemModel *_model; - QList _lines; - - ColumnHandleItem *firstColHandle, *secondColHandle; - qreal firstColHandlePos, secondColHandlePos; +public: + enum CutoffMode { + CutoffLeft, + CutoffRight + }; + + enum ItemType { + ChatLineType = QGraphicsItem::UserType + 1, + ChatItemType, + TimestampChatItemType, + SenderChatItemType, + ContentsChatItemType, + SearchHighlightType, + WebPreviewType, + ColumnHandleType + }; + + enum ClickMode { + NoClick, + DragStartClick, + SingleClick, + DoubleClick, + TripleClick + }; + + ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, ChatView *parent); + virtual ~ChatScene(); + + inline QAbstractItemModel *model() const { return _model; } + inline MessageFilter *filter() const { return qobject_cast(_model); } + inline QString idString() const { return _idString; } + + int rowByScenePos(qreal y) const; + inline int rowByScenePos(const QPointF &pos) const { return rowByScenePos(pos.y()); } + ChatLineModel::ColumnType columnByScenePos(qreal x) const ; + inline ChatLineModel::ColumnType columnByScenePos(const QPointF &pos) const { return columnByScenePos(pos.x()); } + + ChatView *chatView() const; + ChatItem *chatItemAt(const QPointF &pos) const; + inline ChatLine *chatLine(int row) { return (row < _lines.count()) ? _lines[row] : 0; } + + inline bool isSingleBufferScene() const { return _singleBufferId.isValid(); } + inline BufferId singleBufferId() const { return _singleBufferId; } + bool containsBuffer(const BufferId &id) const; + + ColumnHandleItem *firstColumnHandle() const; + ColumnHandleItem *secondColumnHandle() const; + + inline CutoffMode senderCutoffMode() const { return _cutoffMode; } + inline void setSenderCutoffMode(CutoffMode mode) { _cutoffMode = mode; } + + QString selection() const; + bool hasSelection() const; + bool hasGlobalSelection() const; + bool isPosOverSelection(const QPointF &) const; + bool isGloballySelecting() const; + void initiateDrag(QWidget *source); + + bool isScrollingAllowed() const; + + virtual bool event(QEvent *e); + + public slots: + void updateForViewport(qreal width, qreal height); + void setWidth(qreal width); + + // these are used by the chatitems to notify the scene and manage selections + void setSelectingItem(ChatItem *item); + ChatItem *selectingItem() const { return _selectingItem; } + void startGlobalSelection(ChatItem *item, const QPointF &itemPos); + void clearGlobalSelection(); + void clearSelection(); + void selectionToClipboard(QClipboard::Mode = QClipboard::Clipboard); + void stringToClipboard(const QString &str, QClipboard::Mode = QClipboard::Clipboard); + + void requestBacklog(); + +#ifdef HAVE_WEBKIT + void loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect); + void clearWebPreview(ChatItem *parentItem = 0); +#endif - ChatItem *_selectingItem, *_lastItem; - QSet _selectedItems; - int _selectionStartCol, _selectionMinCol; - int _selectionStart; - int _selectionEnd; - bool _isSelecting; +signals: + void lastLineChanged(QGraphicsItem *item, qreal offset); + void layoutChanged(); // indicates changes to the scenerect due to resizing of the contentsitems + void mouseMoveWhileSelecting(const QPointF &scenePos); + +protected: + virtual void contextMenuEvent(QGraphicsSceneContextMenuEvent *contextMenuEvent); + virtual void mouseMoveEvent(QGraphicsSceneMouseEvent *mouseEvent); + virtual void mousePressEvent(QGraphicsSceneMouseEvent *mouseEvent); + virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *mouseEvent); + virtual void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *mouseEvent); + virtual void handleClick(Qt::MouseButton button, const QPointF &scenePos); + +protected slots: + void rowsInserted(const QModelIndex &, int, int); + void rowsAboutToBeRemoved(const QModelIndex &, int, int); + +private slots: + void firstHandlePositionChanged(qreal xpos); + void secondHandlePositionChanged(qreal xpos); +#ifdef HAVE_WEBKIT + void webPreviewNextStep(); +#endif + void showWebPreviewChanged(); + + void clickTimeout(); + +private: + void setHandleXLimits(); + void updateSelection(const QPointF &pos); + + ChatView *_chatView; + QString _idString; + QAbstractItemModel *_model; + QList _lines; + BufferId _singleBufferId; + + // calls to QChatScene::sceneRect() are very expensive. As we manage the scenerect ourselves + // we store the size in a member variable. + QRectF _sceneRect; + int _firstLineRow; // the first row to display (aka: not a daychange msg) + void updateSceneRect(qreal width); + inline void updateSceneRect() { updateSceneRect(_sceneRect.width()); } + void updateSceneRect(const QRectF &rect); + qreal _viewportHeight; + + ColumnHandleItem *_firstColHandle, *_secondColHandle; + qreal _firstColHandlePos, _secondColHandlePos; + CutoffMode _cutoffMode; + + ChatItem *_selectingItem; + int _selectionStartCol, _selectionMinCol; + int _selectionStart; + int _selectionEnd; + int _firstSelectionRow; + bool _isSelecting; + + QTimer _clickTimer; + ClickMode _clickMode; + QPointF _clickPos; + bool _clickHandled; + bool _leftButtonPressed; + + bool _showWebPreview; + +#ifdef HAVE_WEBKIT + struct WebPreview { + enum PreviewState { + NoPreview, + NewPreview, + DelayPreview, + ShowPreview, + HidePreview + }; + ChatItem *parentItem; + QGraphicsItem *previewItem; + QString url; + QRectF urlRect; + PreviewState previewState; + QTimer timer; + WebPreview() : parentItem(0), previewItem(0), previewState(NoPreview) {} + }; + WebPreview webPreview; +#endif // HAVE_WEBKIT }; #endif