HG_REPOSITORIES/LPP/INSTRUMENTATION/USERS/JEANDET/qtcharts Commit - r616:4f2467dfeb41

legend layouting change

sauimone -

r616:4f2467dfeb41

parent child

Context file:

r616:4f2467dfeb41

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src/barchart/barpresenterbase.cpp +1 -1

             BarPresenterBase::~BarPresenterBase()
             {
                 disconnect(this,SLOT(showToolTip(QPoint,QString)));
-                disconnect(this,SLOT(enableSeparators(bool)));
+            //    disconnect(this,SLOT(enableSeparators(bool)));
             }
             void BarPresenterBase::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)

src/legendmarker.cpp +5 -1

             #include "legendmarker_p.h"
             #include <qpieslice.h>
             #include <qbarset.h>
+            #include <qxyseries.h>
             #include <QPainter>
             #include <QGraphicsSceneEvent>
                 mMarkerBoundingRect = QRectF(x,y,markerSize.width(),markerSize.height());
                 mTextItem.setPos(mBoundingRect.x() + markerSize.width() + 10, y );
+                qDebug() << "text item bound:" << mTextItem.boundingRect();
             }
             void LegendMarker::setBrush(const QBrush brush)
                 switch (mType)
                 {
                 case LegendMarkerTypeSeries: {
-                    // TODO:
+                    QXYSeries* s = static_cast<QXYSeries*> (mSeries);
+                    setBrush(s->brush());
+                    setName(s->name());
                     break;
                 }
                 case LegendMarkerTypeBarset: {

src/qchart.cpp +4 -1

                                                         rect.height() + margin() + margin()/2,
                                                         -margin(),
                                                         -margin()/2 + m_legend->minimumSize().height()));
-                    m_legend->handleGeometryChanged(boundingRect);
+            //        m_legend->handleGeometryChanged(boundingRect);
+                    QRectF br(0,0,margin(),m_rect.height());
+                    m_legend->handleGeometryChanged(br);
+                    m_legend->setPreferredLayout(QLegend::PreferredLayoutVertical);
                 }
             }
             #include "moc_qchart.cpp"

src/qchart.h +1 0

                 QChartAxis* axisX() const;
                 QChartAxis* axisY() const;
+                // TODO: take (and give) legend instead of this.
                 QLegend* legend();
             protected:

src/qlegend.cpp +46 -7

@@ -25,6 +25,8 QLegend::QLegend(QGraphicsItem *parent)
25	,mBoundingRect(0,0,1,1)	25	,mBoundingRect(0,0,1,1)
26	,mBackgroundBrush(Qt::darkGray) // TODO: from theme?	26	,mBackgroundBrush(Qt::darkGray) // TODO: from theme?
27	,mMinimumSize(50,20) // TODO: magic numbers	27	,mMinimumSize(50,20) // TODO: magic numbers
		28	,mMaximumSize(150,100)
		29	,mPreferredLayout(QLegend::PreferredLayoutVertical)
28	{	30	{
29	setVisible(false);	31	setVisible(false);
30	}	32	}
@@ -53,6 +55,12 QBrush QLegend::backgroundBrush() const
53	return mBackgroundBrush;	55	return mBackgroundBrush;
54	}	56	}
55		57
		58	void QLegend::setPreferredLayout(QLegend::PreferredLayout preferred)
		59	{
		60	mPreferredLayout = preferred;
		61	layoutChanged();
		62	}
		63
56	QSizeF QLegend::minimumSize() const	64	QSizeF QLegend::minimumSize() const
57	{	65	{
58	return mMinimumSize;	66	return mMinimumSize;
@@ -208,14 +216,45 void QLegend::layoutChanged()
208	return;	216	return;
209	}	217	}
210		218
211	qreal steps = mMarkers.count();	219	// Limit legend size to maximum.
212	~~qreal~~ ~~xStep~~ = mBoundingRect.~~width~~() / ~~steps~~;	220	QSizeF size = mBoundingRect.size();
213	qreal x=mBoundingRect.x();	221
214	qreal y = mBoundingRect.y() + (mBoundingRect.height()/4);	222
215	foreach (LegendMarker* m, mMarkers) {	223	// TODO: grid layout
216	m->setBoundingRect(QRectF(x,y,xStep,mBoundingRect.height()/2));	224	switch (mPreferredLayout)
217	x += xStep;	225	{
		226	case QLegend::PreferredLayoutHorizontal: {
		227
		228	qreal steps = mMarkers.count();
		229	qreal xStep = size.width() / (steps+1);
		230	qreal x = mBoundingRect.x() + xStep/2;
		231	qreal y = mBoundingRect.y(); // Half of legend marker min size
		232	foreach (LegendMarker* m, mMarkers) {
		233	m->setBoundingRect(QRectF(x,y,xStep,size.height()/2));
		234	x += xStep;
		235	}
		236	break;
218	}	237	}
		238	case QLegend::PreferredLayoutVertical: {
		239	// Limit markers to bounding rect size.
		240	if (size.width() > mBoundingRect.width()) {
		241	size.setWidth(mBoundingRect.width());
		242	}
		243	qreal steps = mMarkers.count();
		244	qreal yStep = size.height() / (steps+1);
		245	qreal x = mBoundingRect.x();
		246	qreal y = mBoundingRect.y() + yStep/2;
		247	foreach (LegendMarker* m, mMarkers) {
		248	m->setBoundingRect(QRectF(x,y,size.width(),yStep));
		249	y += yStep;
		250	}
		251	break;
		252	}
		253	default: {
		254	break;
		255	}
		256	}
		257
219	}	258	}
220		259
221	#include "moc_qlegend.cpp"	260	#include "moc_qlegend.cpp"

src/qlegend.h +12 -1

                 Q_OBJECT
             public:
+                enum PreferredLayout {
+                    PreferredLayoutHorizontal,
+                    PreferredLayoutVertical
+                };
                 explicit QLegend(QGraphicsItem *parent = 0);
                 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
                 void setBackgroundBrush(const QBrush& brush);
                 QBrush backgroundBrush() const;
+                void setPreferredLayout(QLegend::PreferredLayout preferred);
                 QSizeF minimumSize() const;
                 void setMinimumSize(const QSizeF size);
+                QSizeF maximumSize() const;
+                void setMaximumSize(const QSizeF size);
             signals:
                 // for interactions.
                 void appendMarkers(QBarSeries* series);
                 void appendMarkers(QPieSeries* series);
                 void deleteMarkers(QSeries* series);
-                void layoutChanged();
+                void layoutChanged();    // TODO: rename this to layoutChanged and remove original layoutChanged, when ready
                 // <--- PIMPL
                 QBrush mBackgroundBrush;
                 QSizeF mMinimumSize;
+                QSizeF mMaximumSize;
+                QLegend::PreferredLayout mPreferredLayout;
             };
             QTCOMMERCIALCHART_END_NAMESPACE

src/qseries.h 0 -8

                     SeriesTypeSpline
                 };
-                // Helper class to contain legend and color for it
-                // TODO: This is actually quite close to current LegendMarker.. combine them?
-            /*    class LegendEntry {
-                    public:
-                    QString mName;
-                    /QBrush mBrush;
-                };*/
             protected:
                 QSeries(QObject *parent = 0) : QObject(parent) {m_model = NULL;}

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