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markerlineitem.cpp
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20 
21 #include <QPainter>
22 
23 #include "markerlineitem.h"
24 #include "qtui.h"
25 
26 MarkerLineItem::MarkerLineItem(qreal sceneWidth, QGraphicsItem *parent)
27  : QGraphicsObject(parent),
28  _boundingRect(0, 0, sceneWidth, 1),
29  _chatLine(0)
30 {
31  setVisible(false);
32  setZValue(8);
33  styleChanged(); // init brush and height
34  connect(QtUi::style(), SIGNAL(changed()), SLOT(styleChanged()));
35 }
36 
37 
39 {
40  _chatLine = line;
41  if (!line)
42  setVisible(false);
43 }
44 
45 
47 {
49 
50  // if this is a solid color, we assume 1px because wesurely don't surely don't want to fill the entire chatline.
51  // else, use the height of a single line of text to play around with gradients etc.
52  qreal height = 1.;
53  if (_brush.style() != Qt::SolidPattern)
54  height = QtUi::style()->fontMetrics(QtUiStyle::PlainMsg, 0)->lineSpacing();
55 
56  prepareGeometryChange();
57  _boundingRect = QRectF(0, 0, scene() ? scene()->width() : 100, height);
58 }
59 
60 
61 void MarkerLineItem::sceneRectChanged(const QRectF &rect)
62 {
63  prepareGeometryChange();
64  _boundingRect.setWidth(rect.width());
65 }
66 
67 
68 void MarkerLineItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
69 {
70  Q_UNUSED(option);
71  Q_UNUSED(widget);
72 
73  painter->fillRect(boundingRect(), _brush);
74 }