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signals and slots for bars and sets
sauimone -
r239:b700ad3a5165
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@@ -5,17 +5,10
5 5 QTCOMMERCIALCHART_BEGIN_NAMESPACE
6 6
7 7 Bar::Bar(QGraphicsItem *parent)
8 : ChartItem(parent)
8 : QGraphicsObject(parent)
9 9 {
10 10 }
11 11
12 void Bar::setSize(const QSizeF& size)
13 {
14 mWidth = size.width();
15 mHeight = size.height();
16 }
17
18
19 12 void Bar::resize( qreal w, qreal h )
20 13 {
21 14 // qDebug() << "bar::resize" << w << h;
@@ -23,11 +16,6 void Bar::resize( qreal w, qreal h )
23 16 mHeight = h;
24 17 }
25 18
26 void Bar::setColor( QColor col )
27 {
28 mColor = col;
29 }
30
31 19 void Bar::setPos(qreal x, qreal y)
32 20 {
33 21 // qDebug() << "Bar::setpos" << x << y;
@@ -50,10 +38,8 void Bar::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidg
50 38 if (0 == mHeight) {
51 39 return;
52 40 }
53 // TODO: accept brush instead of color
41
54 42 painter->setBrush(mBrush);
55 // QBrush brush(mColor);
56 // painter->setBrush(brush);
57 43
58 44 // This compensates for rounding errors. drawRect takes ints and cumulative error of pos + size may be over 1.
59 45 int x0 = mXpos;
@@ -71,4 +57,21 QRectF Bar::boundingRect() const
71 57 return r;
72 58 }
73 59
60 void Bar::hoverEnterEvent(QGraphicsSceneHoverEvent* /*event*/)
61 {
62 emit hoverEnter();
63 }
64
65 void Bar::hoverLeaveEvent(QGraphicsSceneHoverEvent* /*event*/)
66 {
67 emit hoverLeave();
68 }
69
70 void Bar::mousePressEvent(QGraphicsSceneMouseEvent* /*event*/)
71 {
72 emit clicked();
73 }
74
75 #include "moc_bar_p.cpp"
76
74 77 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,35 +1,43
1 1 #ifndef BAR_H
2 2 #define BAR_H
3 3
4 #include "chartitem_p.h"
4 //#include "chartitem_p.h"
5 5 #include "qchartglobal.h"
6 #include <QGraphicsItem>
6 #include <QGraphicsObject>
7 7 #include <QPen>
8 8 #include <QBrush>
9 9
10 10 QTCOMMERCIALCHART_BEGIN_NAMESPACE
11 11
12 12 // Single bar item of chart
13 class Bar : public ChartItem
13 class Bar : public QGraphicsObject
14 14 {
15 Q_OBJECT
16
15 17 public:
16 18 Bar(QGraphicsItem *parent=0);
17 19
18 public: // from ChartItem
19 void setSize(const QSizeF &size);
20 public:
20 21
21 22 // Layout Stuff
22 23 void resize(qreal w, qreal h); // Size of bar.
23 24 void setPos(qreal x, qreal y);
24 25 void setPen(QPen pen);
25 26 void setBrush(QBrush brush);
26 void setColor( QColor col); // deprecated
27 27
28 28 public:
29 // From QGraphicsItem
30 29
30 // From QGraphicsItem
31 31 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
32 32 QRectF boundingRect() const;
33 void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
34 void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
35 void mousePressEvent(QGraphicsSceneMouseEvent *event);
36
37 Q_SIGNALS:
38 void clicked();
39 void hoverEnter();
40 void hoverLeave();
33 41
34 42 private:
35 43
@@ -37,7 +45,6 private:
37 45 qreal mWidth;
38 46 qreal mXpos;
39 47 qreal mYpos;
40 QColor mColor;
41 48
42 49 QBrush mBrush;
43 50 QPen mPen;
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@@ -57,10 +57,13 void BarPresenterBase::dataChanged()
57 57 }
58 58
59 59 // Create new graphic items for bars
60 int totalItems = mModel.countTotalItems();
61 for (int i=0; i<totalItems; i++) {
62 Bar *bar = new Bar(this);
63 childItems().append(bar);
60 for (int s=0; s<mModel.countSets(); s++) {
61 QBarSet *set = mModel.nextSet(0==s);
62 for (int c=0; c<mModel.countCategories(); c++) {
63 Bar *bar = new Bar(this);
64 childItems().append(bar);
65 connect(bar,SIGNAL(clicked()),set,SLOT(barClicked()));
66 }
64 67 }
65 68
66 69 int count = mModel.countCategories();
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@@ -1,4 +1,5
1 1 #include "qbarset.h"
2 #include <QDebug>
2 3
3 4 QTCOMMERCIALCHART_BEGIN_NAMESPACE
4 5
@@ -56,8 +57,13 const QBrush& QBarSet::brush() const
56 57 return mBrush;
57 58 }
58 59
60 void QBarSet::barClicked()
61 {
62 // Some bar of this set has been clicked
63 // TODO: What happens then?
64 qDebug() << "bar Clicked";
65 }
59 66
60 67
61 //TODO?:
62 //#include "moc_qbarset.cpp"
68 #include "moc_qbarset.cpp"
63 69 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -7,9 +7,9
7 7
8 8 QTCOMMERCIALCHART_BEGIN_NAMESPACE
9 9
10 class QTCOMMERCIALCHART_EXPORT QBarSet // TODO? : public QObject
10 class QTCOMMERCIALCHART_EXPORT QBarSet : public QObject
11 11 {
12 //Q_OBJECT;
12 Q_OBJECT;
13 13 public:
14 14 QBarSet();
15 15
@@ -27,12 +27,22 public:
27 27 void setBrush(const QBrush& brush);
28 28 const QBrush& brush() const;
29 29
30 // void clicked();
31 /*
32 void hoverEnter();
33 void hoverLeave();
34 */
35
36 public Q_SLOTS:
37 void barClicked();
38
30 39 private:
31 40
32 41 QString mName;
33 42 QList<qreal> mValues;
34 43 QPen mPen;
35 44 QBrush mBrush;
45
36 46 };
37 47
38 48 QTCOMMERCIALCHART_END_NAMESPACE
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