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chatviewsearchcontroller.h
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20 
21 #ifndef CHATVIEWSEARCHCONTROLLER_H
22 #define CHATVIEWSEARCHCONTROLLER_H
23 
24 #include <QGraphicsItem>
25 #include <QHash>
26 #include <QPointer>
27 #include <QString>
28 #include <QTimeLine>
29 
30 #include "chatscene.h"
31 #include "message.h"
32 
33 class QGraphicsItem;
34 class ChatLine;
36 
37 class ChatViewSearchController : public QObject
38 {
39  Q_OBJECT
40 
41 public:
42  ChatViewSearchController(QObject *parent = 0);
43 
44  inline const QString &searchString() const { return _searchString; }
45 
46  void setScene(ChatScene *scene);
47 
48 public slots:
49  void setSearchString(const QString &searchString);
51  void setSearchSenders(bool searchSenders);
52  void setSearchMsgs(bool searchMsgs);
53  void setSearchOnlyRegularMsgs(bool searchOnlyRegularMsgs);
54 
55  void highlightNext();
56  void highlightPrev();
57 
58 private slots:
59  void sceneDestroyed();
60  void updateHighlights(bool reuse = false);
61 
62  void repositionHighlights();
63  void repositionHighlights(ChatLine *line);
64 
65 signals:
66  void newCurrentHighlight(QGraphicsItem *highlightItem);
67 
68 private:
69  QString _searchString;
71  QList<SearchHighlightItem *> _highlightItems;
73 
78 
79  inline Qt::CaseSensitivity caseSensitive() const { return _caseSensitive ? Qt::CaseSensitive : Qt::CaseInsensitive; }
80 
81  inline bool checkType(Message::Type type) const { return type & (Message::Plain | Message::Notice | Message::Action); }
82 
83  void checkMessagesForHighlight(int start = 0, int end = -1);
84  void highlightLine(ChatLine *line);
85  void updateHighlights(ChatLine *line);
86 };
87 
88 
89 // Highlight Items
90 class SearchHighlightItem : public QObject, public QGraphicsItem
91 {
92  Q_OBJECT
93 
94 // Apparently, there are broken Qt 4.8.2 mocs around that will fail without this (otherwise useless) #if... looking at you, Wheezy!
95 #if QT_VERSION >= 0x040600
96  Q_INTERFACES(QGraphicsItem)
97 #endif
98 
99 public :
100  SearchHighlightItem(QRectF wordRect, QGraphicsItem *parent = 0);
101  virtual inline QRectF boundingRect() const { return _boundingRect; }
102  void updateGeometry(qreal width, qreal height);
103  virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
105  virtual inline int type() const { return Type; }
106 
107  void setHighlighted(bool highlighted);
108 
109  static bool firstInLine(QGraphicsItem *item1, QGraphicsItem *item2);
110 
111 private slots:
112  void updateHighlight(qreal value);
113 
114 private:
117  int _alpha;
118  QTimeLine _timeLine;
119 };
120 
121 
122 #endif //CHATVIEWSEARCHCONTROLLER_H