X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fqtui%2Fchatscene.h;h=1c641093d9e3cf72f916b0fccee3da746cb9dc22;hp=de6add9c1bc1700662efb697424a40c266417014;hb=b2c1179d290dc97f2c8497db9ed0c8adcc679ed7;hpb=2482f2f7b06f6d52f48f7cd29929681405d9bec5

diff --git a/src/qtui/chatscene.h b/src/qtui/chatscene.h
index de6add9c..1c641093 100644
--- a/src/qtui/chatscene.h
+++ b/src/qtui/chatscene.h
@@ -18,107 +18,182 @@
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
 
-#ifndef _CHATSCENE_H_
-#define _CHATSCENE_H_
+#ifndef CHATSCENE_H_
+#define CHATSCENE_H_
 
 #include <QAbstractItemModel>
+#include <QClipboard>
+#include <QGraphicsItem>
 #include <QGraphicsScene>
 #include <QSet>
+#include <QTimer>
 
-#include "types.h"
+#include "chatlinemodel.h"
+#include "messagefilter.h"
 
 class AbstractUiMsg;
 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();
-
-    inline QAbstractItemModel *model() const { return _model; }
-    inline QString idString() const { return _idString; }
-
-    inline bool isFetchingBacklog() const;
-    inline bool isBacklogFetchingEnabled() const;
-    inline BufferId bufferForBacklogFetching() const;
-    int sectionByScenePos(int x);
-    inline int sectionByScenePos(const QPoint &pos) { return sectionByScenePos(pos.x()); }
-    inline bool isSingleBufferScene() const { return _singleBufferScene; }
-
-  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);
-
-    void setIsFetchingBacklog(bool);
-    inline void setBufferForBacklogFetching(BufferId buffer);
-
-  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;
-    void requestBacklogIfNeeded();
-
-    QString _idString;
-    qreal _width, _height;
-    QAbstractItemModel *_model;
-    QList<ChatLine *> _lines;
-    bool _singleBufferScene;
-
-    ColumnHandleItem *firstColHandle, *secondColHandle;
-    qreal firstColHandlePos, secondColHandlePos;
-
-    ChatItem *_selectingItem, *_lastItem;
-    QSet<ChatLine *> _selectedItems;
-    int _selectionStartCol, _selectionMinCol;
-    int _selectionStart;
-    int _selectionEnd;
-    bool _isSelecting;
-
-    bool _fetchingBacklog;
-    BufferId _backlogFetchingBuffer;
-    MsgId _lastBacklogOffset;
-    int _lastBacklogSize;
+public:
+  enum CutoffMode {
+    CutoffLeft,
+    CutoffRight
+  };
+
+  enum ItemType {
+    ChatLineType = QGraphicsItem::UserType + 1,
+    ChatItemType,
+    TimestampChatItemType,
+    SenderChatItemType,
+    ContentsChatItemType,
+    SearchHighlightType,
+    WebPreviewType,
+    ColumnHandleType
+  };
+
+  enum ClickMode {
+    NoClick,
+    SingleClick,
+    DoubleClick,
+    TripleClick,
+    DragStartClick
+  };
+
+  ChatScene(QAbstractItemModel *model, const QString &idString, qreal width, ChatView *parent);
+  virtual ~ChatScene();
+
+  inline QAbstractItemModel *model() const { return _model; }
+  inline QString idString() const { return _idString; }
+
+  int rowByScenePos(qreal y);
+  inline int rowByScenePos(const QPointF &pos) { return rowByScenePos(pos.y()); }
+  ChatLineModel::ColumnType columnByScenePos(qreal x);
+  inline ChatLineModel::ColumnType columnByScenePos(const QPointF &pos) { return columnByScenePos(pos.x()); }
+
+  ChatView *chatView() const;
+  ChatItem *chatItemAt(const QPointF &pos) const;
+
+  inline bool isSingleBufferScene() const { return _singleBufferScene; }
+  bool containsBuffer(const BufferId &id) const;
+  inline ChatLine *chatLine(int row) { return (row < _lines.count()) ? _lines[row] : 0; }
+
+  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 requestBacklog();
+
+  void loadWebPreview(ChatItem *parentItem, const QString &url, const QRectF &urlRect);
+  void clearWebPreview(ChatItem *parentItem = 0);
+
+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);
+  void showWebPreviewEvent();
+  void deleteWebPreviewEvent();
+  void showWebPreviewChanged();
+
+  void clickTimeout();
+
+private:
+  void setHandleXLimits();
+  void updateSelection(const QPointF &pos);
+
+  ChatView *_chatView;
+  QString _idString;
+  QAbstractItemModel *_model;
+  QList<ChatLine *> _lines;
+  bool _singleBufferScene;
+
+  // 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;
+
+  struct WebPreview {
+    ChatItem *parentItem;
+    QGraphicsItem *previewItem;
+    QString url;
+    QRectF urlRect;
+    QTimer delayTimer;
+    QTimer deleteTimer;
+    WebPreview() : parentItem(0), previewItem(0) {}
+  };
+  WebPreview webPreview;
 };
 
-bool ChatScene::isFetchingBacklog() const {
-  return _fetchingBacklog;
-}
-
-bool ChatScene::isBacklogFetchingEnabled() const {
-  return _backlogFetchingBuffer.isValid();
-}
-
-BufferId ChatScene::bufferForBacklogFetching() const {
-  return _backlogFetchingBuffer;
-}
-
-void ChatScene::setBufferForBacklogFetching(BufferId buf) {
-  _backlogFetchingBuffer = buf;
-}
-
 #endif