@@ -0,0 +1,80 | |||
|
1 | /**************************************************************************** | |
|
2 | ** | |
|
3 | ** Copyright (C) 2012 Digia Plc | |
|
4 | ** All rights reserved. | |
|
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com | |
|
6 | ** | |
|
7 | ** This file is part of the Qt Commercial Charts Add-on. | |
|
8 | ** | |
|
9 | ** $QT_BEGIN_LICENSE$ | |
|
10 | ** Licensees holding valid Qt Commercial licenses may use this file in | |
|
11 | ** accordance with the Qt Commercial License Agreement provided with the | |
|
12 | ** Software or, alternatively, in accordance with the terms contained in | |
|
13 | ** a written agreement between you and Digia. | |
|
14 | ** | |
|
15 | ** If you have questions regarding the use of this file, please use | |
|
16 | ** contact form at http://qt.digia.com | |
|
17 | ** $QT_END_LICENSE$ | |
|
18 | ** | |
|
19 | ****************************************************************************/ | |
|
20 | ||
|
21 | #include "qlegendmarker.h" | |
|
22 | //#include "qlegendmarker_p.h" | |
|
23 | #include <QDebug> | |
|
24 | ||
|
25 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
|
26 | ||
|
27 | QLegendMarker::QLegendMarker(QObject *parent) : | |
|
28 | QObject(parent)//, | |
|
29 | // d_ptr(new QLegendMarkerPrivate(this)) | |
|
30 | { | |
|
31 | } | |
|
32 | ||
|
33 | QLegendMarker::~QLegendMarker() | |
|
34 | { | |
|
35 | } | |
|
36 | ||
|
37 | QString QLegendMarker::label() const | |
|
38 | { | |
|
39 | return m_label; | |
|
40 | } | |
|
41 | ||
|
42 | void QLegendMarker::setLabel(const QString &label) | |
|
43 | { | |
|
44 | m_label = label; | |
|
45 | } | |
|
46 | ||
|
47 | QPen QLegendMarker::pen() const | |
|
48 | { | |
|
49 | return m_pen; | |
|
50 | } | |
|
51 | ||
|
52 | void QLegendMarker::setPen(const QPen &pen) | |
|
53 | { | |
|
54 | m_pen = pen; | |
|
55 | } | |
|
56 | ||
|
57 | QBrush QLegendMarker::brush() const | |
|
58 | { | |
|
59 | return m_brush; | |
|
60 | } | |
|
61 | ||
|
62 | void QLegendMarker::setBrush(const QBrush &brush) | |
|
63 | { | |
|
64 | m_brush = brush; | |
|
65 | } | |
|
66 | ||
|
67 | bool QLegendMarker::isVisible() const | |
|
68 | { | |
|
69 | return m_visible; | |
|
70 | } | |
|
71 | ||
|
72 | void QLegendMarker::setVisible(bool visible) | |
|
73 | { | |
|
74 | m_visible = visible; | |
|
75 | } | |
|
76 | ||
|
77 | #include "moc_qlegendmarker.cpp" | |
|
78 | //#include "moc_qlegendmarker_p.cpp" | |
|
79 | ||
|
80 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -0,0 +1,81 | |||
|
1 | /**************************************************************************** | |
|
2 | ** | |
|
3 | ** Copyright (C) 2012 Digia Plc | |
|
4 | ** All rights reserved. | |
|
5 | ** For any questions to Digia, please use contact form at http://qt.digia.com | |
|
6 | ** | |
|
7 | ** This file is part of the Qt Commercial Charts Add-on. | |
|
8 | ** | |
|
9 | ** $QT_BEGIN_LICENSE$ | |
|
10 | ** Licensees holding valid Qt Commercial licenses may use this file in | |
|
11 | ** accordance with the Qt Commercial License Agreement provided with the | |
|
12 | ** Software or, alternatively, in accordance with the terms contained in | |
|
13 | ** a written agreement between you and Digia. | |
|
14 | ** | |
|
15 | ** If you have questions regarding the use of this file, please use | |
|
16 | ** contact form at http://qt.digia.com | |
|
17 | ** $QT_END_LICENSE$ | |
|
18 | ** | |
|
19 | ****************************************************************************/ | |
|
20 | ||
|
21 | #ifndef QLEGENDMARKER_H | |
|
22 | #define QLEGENDMARKER_H | |
|
23 | ||
|
24 | #include <QChartGlobal> | |
|
25 | #include <QObject> | |
|
26 | #include <QPen> | |
|
27 | #include <QBrush> | |
|
28 | ||
|
29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
|
30 | ||
|
31 | // TODO: | |
|
32 | //class QLegendMarkerPrivate; | |
|
33 | ||
|
34 | // TODO: should this be abstract? | |
|
35 | class QTCOMMERCIALCHART_EXPORT QLegendMarker : public QObject | |
|
36 | { | |
|
37 | Q_OBJECT | |
|
38 | ||
|
39 | // TODO: need for these? | |
|
40 | // Q_PROPERTY(QString label READ label WRITE setlabel NOTIFY labelChanged); | |
|
41 | // Q_PROPERTY(QPen pen READ pen WRITE setPen NOTIFY penChanged); | |
|
42 | // Q_PROPERTY(QBrush brush READ brush WRITE setBrush NOTIFY brushChanged); | |
|
43 | ||
|
44 | public: | |
|
45 | explicit QLegendMarker(QObject *parent = 0); | |
|
46 | virtual ~QLegendMarker(); | |
|
47 | ||
|
48 | QString label() const; | |
|
49 | void setLabel(const QString &label); | |
|
50 | ||
|
51 | QPen pen() const; | |
|
52 | void setPen(const QPen &pen); | |
|
53 | ||
|
54 | QBrush brush() const; | |
|
55 | void setBrush(const QBrush &brush); | |
|
56 | ||
|
57 | bool isVisible() const; | |
|
58 | void setVisible(bool visible); | |
|
59 | ||
|
60 | Q_SIGNALS: | |
|
61 | void clicked(); | |
|
62 | void hovered(bool status); | |
|
63 | ||
|
64 | public Q_SLOTS: | |
|
65 | void markersUpdated(); // TODO: private? Idea is that series signals, when for example pieslices have been added/removed. | |
|
66 | ||
|
67 | public: | |
|
68 | // TODO: | |
|
69 | // QScopedPointer<QLegendMarkerPrivate> d_ptr; | |
|
70 | Q_DISABLE_COPY(QLegendMarker) | |
|
71 | ||
|
72 | // TODO: move to PIMPL | |
|
73 | QString m_label; | |
|
74 | QPen m_pen; | |
|
75 | QBrush m_brush; | |
|
76 | bool m_visible; | |
|
77 | }; | |
|
78 | ||
|
79 | QTCOMMERCIALCHART_END_NAMESPACE | |
|
80 | ||
|
81 | #endif // QLEGENDMARKER_H |
@@ -1,17 +1,19 | |||
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1 | 1 | INCLUDEPATH += $$PWD |
|
2 | 2 | DEPENDPATH += $$PWD |
|
3 | 3 | |
|
4 | 4 | SOURCES += \ |
|
5 | 5 | $$PWD/qlegend.cpp \ |
|
6 | 6 | $$PWD/legendmarker.cpp \ |
|
7 | $$PWD/legendlayout.cpp | |
|
7 | $$PWD/legendlayout.cpp \ | |
|
8 | $$PWD/qlegendmarker.cpp | |
|
8 | 9 | |
|
9 | 10 | PRIVATE_HEADERS += \ |
|
10 | 11 | $$PWD/legendmarker_p.h \ |
|
11 | 12 | $$PWD/legendscroller_p.h \ |
|
12 | 13 | $$PWD/qlegend_p.h \ |
|
13 | 14 | $$PWD/legendlayout_p.h |
|
14 | 15 | |
|
15 | 16 | |
|
16 | 17 | PUBLIC_HEADERS += \ |
|
17 | $$PWD/qlegend.h No newline at end of file | |
|
18 | $$PWD/qlegend.h \ | |
|
19 | $$PWD/qlegendmarker.h |
@@ -1,514 +1,522 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "qlegend.h" |
|
22 | 22 | #include "qlegend_p.h" |
|
23 | 23 | #include "qabstractseries.h" |
|
24 | 24 | #include "qabstractseries_p.h" |
|
25 | 25 | #include "qchart_p.h" |
|
26 | 26 | #include "legendlayout_p.h" |
|
27 | 27 | #include "legendmarker_p.h" |
|
28 | 28 | #include "qxyseries.h" |
|
29 | 29 | #include "qlineseries.h" |
|
30 | 30 | #include "qareaseries.h" |
|
31 | 31 | #include "qscatterseries.h" |
|
32 | 32 | #include "qsplineseries.h" |
|
33 | 33 | #include "qabstractbarseries.h" |
|
34 | 34 | #include "qstackedbarseries.h" |
|
35 | 35 | #include "qpercentbarseries.h" |
|
36 | 36 | #include "qbarset.h" |
|
37 | 37 | #include "qpieseries.h" |
|
38 | 38 | #include "qpieseries_p.h" |
|
39 | 39 | #include "qpieslice.h" |
|
40 | 40 | #include "chartpresenter_p.h" |
|
41 | 41 | #include "chartlayout_p.h" |
|
42 | 42 | #include <QPainter> |
|
43 | 43 | #include <QPen> |
|
44 | 44 | #include <QTimer> |
|
45 | 45 | #include <QGraphicsSceneEvent> |
|
46 | 46 | |
|
47 | 47 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
48 | 48 | |
|
49 | 49 | /*! |
|
50 | 50 | \class QLegend |
|
51 | 51 | \brief Legend object |
|
52 | 52 | \mainclass |
|
53 | 53 | |
|
54 | 54 | QLegend is a graphical object, whics displays legend of the chart. Legend state is updated by QChart, when |
|
55 | 55 | series have been changed. By default, legend is drawn by QChart, but user can set a new parent to legend and |
|
56 | 56 | handle the drawing manually. |
|
57 | 57 | User isn't supposed to create or delete legend objects, but can reference it via QChart class. |
|
58 | 58 | |
|
59 | 59 | \image examples_percentbarchart_legend.png |
|
60 | 60 | |
|
61 | 61 | \sa QChart |
|
62 | 62 | */ |
|
63 | 63 | /*! |
|
64 | 64 | \qmlclass Legend QLegend |
|
65 | 65 | \brief Legend is part of QtCommercial Chart QML API. |
|
66 | 66 | |
|
67 | 67 | Legend is a graphical object, whics displays legend of the chart. Legend state is updated by ChartView, when |
|
68 | 68 | series have been changed. Legend is used via ChartView class. For example: |
|
69 | 69 | \code |
|
70 | 70 | ChartView { |
|
71 | 71 | legend.visible: true |
|
72 | 72 | legend.alignment: Qt.AlignBottom |
|
73 | 73 | // Add a few series... |
|
74 | 74 | } |
|
75 | 75 | \endcode |
|
76 | 76 | |
|
77 | 77 | \image examples_percentbarchart_legend.png |
|
78 | 78 | */ |
|
79 | 79 | |
|
80 | 80 | /*! |
|
81 | 81 | \property QLegend::alignment |
|
82 | 82 | \brief The alignment of the legend. |
|
83 | 83 | |
|
84 | 84 | Legend paints on the defined position in the chart. The following alignments are supported: |
|
85 | 85 | Qt::AlignTop, Qt::AlignBottom, Qt::AlignLeft, Qt::AlignRight. If you set more than one flag the result is undefined. |
|
86 | 86 | */ |
|
87 | 87 | /*! |
|
88 | 88 | \qmlproperty Qt.Alignment Legend::alignment |
|
89 | 89 | \brief The alignment of the legend. |
|
90 | 90 | |
|
91 | 91 | Legend paints on the defined position in the chart. The following alignments are supported: |
|
92 | 92 | Qt.AlignTop, Qt.AlignBottom, Qt.AlignLeft, Qt.AlignRight. If you set more than one flag the result is undefined. |
|
93 | 93 | */ |
|
94 | 94 | |
|
95 | 95 | /*! |
|
96 | 96 | \property QLegend::backgroundVisible |
|
97 | 97 | Whether the legend background is visible or not. |
|
98 | 98 | */ |
|
99 | 99 | /*! |
|
100 | 100 | \qmlproperty bool Legend::backgroundVisible |
|
101 | 101 | Whether the legend background is visible or not. |
|
102 | 102 | */ |
|
103 | 103 | |
|
104 | 104 | /*! |
|
105 | 105 | \property QLegend::color |
|
106 | 106 | The color of the legend, i.e. the background (brush) color. Note that if you change the color |
|
107 | 107 | of the legend, the style of the legend brush is set to Qt::SolidPattern. |
|
108 | 108 | */ |
|
109 | 109 | /*! |
|
110 | 110 | \qmlproperty color Legend::color |
|
111 | 111 | The color of the legend, i.e. the background (brush) color. |
|
112 | 112 | */ |
|
113 | 113 | |
|
114 | 114 | /*! |
|
115 | 115 | \property QLegend::borderColor |
|
116 | 116 | The border color of the legend, i.e. the line color. |
|
117 | 117 | */ |
|
118 | 118 | /*! |
|
119 | 119 | \qmlproperty color Legend::borderColor |
|
120 | 120 | The border color of the legend, i.e. the line color. |
|
121 | 121 | */ |
|
122 | 122 | |
|
123 | 123 | /*! |
|
124 | 124 | \property QLegend::font |
|
125 | 125 | The font of markers used by legend |
|
126 | 126 | */ |
|
127 | 127 | /*! |
|
128 | 128 | \qmlproperty Font Legend::font |
|
129 | 129 | The font of markers used by legend |
|
130 | 130 | */ |
|
131 | 131 | |
|
132 | 132 | /*! |
|
133 | 133 | \property QLegend::labelColor |
|
134 | 134 | The color of brush used to draw labels. |
|
135 | 135 | */ |
|
136 | 136 | /*! |
|
137 | 137 | \qmlproperty color QLegend::labelColor |
|
138 | 138 | The color of brush used to draw labels. |
|
139 | 139 | */ |
|
140 | 140 | |
|
141 | 141 | /*! |
|
142 | 142 | \fn void QLegend::backgroundVisibleChanged(bool) |
|
143 | 143 | The visibility of the legend background changed to \a visible. |
|
144 | 144 | */ |
|
145 | 145 | |
|
146 | 146 | /*! |
|
147 | 147 | \fn void QLegend::colorChanged(QColor) |
|
148 | 148 | The color of the legend background changed to \a color. |
|
149 | 149 | */ |
|
150 | 150 | |
|
151 | 151 | /*! |
|
152 | 152 | \fn void QLegend::borderColorChanged(QColor) |
|
153 | 153 | The border color of the legend background changed to \a color. |
|
154 | 154 | */ |
|
155 | 155 | |
|
156 | 156 | /*! |
|
157 | 157 | \fn void QLegend::fontChanged(QFont) |
|
158 | 158 | The font of markers of the legend changed to \a font. |
|
159 | 159 | */ |
|
160 | 160 | |
|
161 | 161 | /*! |
|
162 | 162 | \fn void QLegend::labelColorChanged(QColor color) |
|
163 | 163 | This signal is emitted when the color of brush used to draw labels has changed to \a color. |
|
164 | 164 | */ |
|
165 | 165 | |
|
166 | 166 | /*! |
|
167 | 167 | Constructs the legend object and sets the parent to \a parent |
|
168 | 168 | */ |
|
169 | 169 | |
|
170 | 170 | QLegend::QLegend(QChart *chart): QGraphicsWidget(chart), |
|
171 | 171 | d_ptr(new QLegendPrivate(chart->d_ptr->m_presenter, chart, this)) |
|
172 | 172 | { |
|
173 | 173 | setZValue(ChartPresenter::LegendZValue); |
|
174 | 174 | setFlags(QGraphicsItem::ItemClipsChildrenToShape); |
|
175 | 175 | QObject::connect(chart->d_ptr->m_dataset, SIGNAL(seriesAdded(QAbstractSeries*,Domain*)), d_ptr.data(), SLOT(handleSeriesAdded(QAbstractSeries*,Domain*))); |
|
176 | 176 | QObject::connect(chart->d_ptr->m_dataset, SIGNAL(seriesRemoved(QAbstractSeries*)), d_ptr.data(), SLOT(handleSeriesRemoved(QAbstractSeries*))); |
|
177 | 177 | // QObject::connect(chart->d_ptr->m_dataset,SIGNAL(seriesUpdated(QAbstractSeries*)),d_ptr.data(),SLOT(handleSeriesUpdated(QAbstractSeries*))); |
|
178 | 178 | setLayout(d_ptr->m_layout); |
|
179 | 179 | } |
|
180 | 180 | |
|
181 | 181 | /*! |
|
182 | 182 | Destroys the legend object. Legend is always owned by a QChart, so an application should never call this. |
|
183 | 183 | */ |
|
184 | 184 | QLegend::~QLegend() |
|
185 | 185 | { |
|
186 | 186 | } |
|
187 | 187 | |
|
188 | 188 | /*! |
|
189 | 189 | \internal |
|
190 | 190 | */ |
|
191 | 191 | void QLegend::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
|
192 | 192 | { |
|
193 | 193 | Q_UNUSED(option) |
|
194 | 194 | Q_UNUSED(widget) |
|
195 | 195 | |
|
196 | 196 | if (!d_ptr->m_backgroundVisible) |
|
197 | 197 | return; |
|
198 | 198 | |
|
199 | 199 | painter->setOpacity(opacity()); |
|
200 | 200 | painter->setPen(d_ptr->m_pen); |
|
201 | 201 | painter->setBrush(d_ptr->m_brush); |
|
202 | 202 | painter->drawRoundRect(rect(), d_ptr->roundness(rect().width()), d_ptr->roundness(rect().height())); |
|
203 | 203 | } |
|
204 | 204 | |
|
205 | 205 | |
|
206 | 206 | /*! |
|
207 | 207 | Sets the \a brush of legend. Brush affects the background of legend. |
|
208 | 208 | */ |
|
209 | 209 | void QLegend::setBrush(const QBrush &brush) |
|
210 | 210 | { |
|
211 | 211 | if (d_ptr->m_brush != brush) { |
|
212 | 212 | d_ptr->m_brush = brush; |
|
213 | 213 | update(); |
|
214 | 214 | emit colorChanged(brush.color()); |
|
215 | 215 | } |
|
216 | 216 | } |
|
217 | 217 | |
|
218 | 218 | /*! |
|
219 | 219 | Returns the brush used by legend. |
|
220 | 220 | */ |
|
221 | 221 | QBrush QLegend::brush() const |
|
222 | 222 | { |
|
223 | 223 | return d_ptr->m_brush; |
|
224 | 224 | } |
|
225 | 225 | |
|
226 | 226 | void QLegend::setColor(QColor color) |
|
227 | 227 | { |
|
228 | 228 | QBrush b = d_ptr->m_brush; |
|
229 | 229 | if (b.style() != Qt::SolidPattern || b.color() != color) { |
|
230 | 230 | b.setStyle(Qt::SolidPattern); |
|
231 | 231 | b.setColor(color); |
|
232 | 232 | setBrush(b); |
|
233 | 233 | } |
|
234 | 234 | } |
|
235 | 235 | |
|
236 | 236 | QColor QLegend::color() |
|
237 | 237 | { |
|
238 | 238 | return d_ptr->m_brush.color(); |
|
239 | 239 | } |
|
240 | 240 | |
|
241 | 241 | /*! |
|
242 | 242 | Sets the \a pen of legend. Pen affects the legend borders. |
|
243 | 243 | */ |
|
244 | 244 | void QLegend::setPen(const QPen &pen) |
|
245 | 245 | { |
|
246 | 246 | if (d_ptr->m_pen != pen) { |
|
247 | 247 | d_ptr->m_pen = pen; |
|
248 | 248 | update(); |
|
249 | 249 | emit borderColorChanged(pen.color()); |
|
250 | 250 | } |
|
251 | 251 | } |
|
252 | 252 | |
|
253 | 253 | /*! |
|
254 | 254 | Returns the pen used by legend |
|
255 | 255 | */ |
|
256 | 256 | |
|
257 | 257 | QPen QLegend::pen() const |
|
258 | 258 | { |
|
259 | 259 | return d_ptr->m_pen; |
|
260 | 260 | } |
|
261 | 261 | |
|
262 | 262 | void QLegend::setFont(const QFont &font) |
|
263 | 263 | { |
|
264 | 264 | if (d_ptr->m_font != font) { |
|
265 | 265 | d_ptr->m_font = font; |
|
266 | 266 | foreach (LegendMarker *marker, d_ptr->markers()) |
|
267 | 267 | marker->setFont(d_ptr->m_font); |
|
268 | 268 | layout()->invalidate(); |
|
269 | 269 | emit fontChanged(font); |
|
270 | 270 | } |
|
271 | 271 | } |
|
272 | 272 | |
|
273 | 273 | QFont QLegend::font() const |
|
274 | 274 | { |
|
275 | 275 | return d_ptr->m_font; |
|
276 | 276 | } |
|
277 | 277 | |
|
278 | 278 | void QLegend::setBorderColor(QColor color) |
|
279 | 279 | { |
|
280 | 280 | QPen p = d_ptr->m_pen; |
|
281 | 281 | if (p.color() != color) { |
|
282 | 282 | p.setColor(color); |
|
283 | 283 | setPen(p); |
|
284 | 284 | } |
|
285 | 285 | } |
|
286 | 286 | |
|
287 | 287 | QColor QLegend::borderColor() |
|
288 | 288 | { |
|
289 | 289 | return d_ptr->m_pen.color(); |
|
290 | 290 | } |
|
291 | 291 | |
|
292 | 292 | /*! |
|
293 | 293 | Set brush used to draw labels to \a brush. |
|
294 | 294 | */ |
|
295 | 295 | void QLegend::setLabelBrush(const QBrush &brush) |
|
296 | 296 | { |
|
297 | 297 | if (d_ptr->m_labelBrush != brush) { |
|
298 | 298 | d_ptr->m_labelBrush = brush; |
|
299 | 299 | foreach (LegendMarker *marker, d_ptr->markers()) { |
|
300 | 300 | marker->setLabelBrush(d_ptr->m_labelBrush); |
|
301 | 301 | // Note: The pen of the marker rectangle could be exposed in the public QLegend API |
|
302 | 302 | // instead of mapping it from label brush color |
|
303 | 303 | marker->setPen(brush.color()); |
|
304 | 304 | } |
|
305 | 305 | emit labelColorChanged(brush.color()); |
|
306 | 306 | } |
|
307 | 307 | } |
|
308 | 308 | |
|
309 | 309 | /*! |
|
310 | 310 | Brush used to draw labels. |
|
311 | 311 | */ |
|
312 | 312 | QBrush QLegend::labelBrush() const |
|
313 | 313 | { |
|
314 | 314 | return d_ptr->m_labelBrush; |
|
315 | 315 | } |
|
316 | 316 | |
|
317 | 317 | void QLegend::setLabelColor(QColor color) |
|
318 | 318 | { |
|
319 | 319 | QBrush b = d_ptr->m_labelBrush; |
|
320 | 320 | if (b.style() != Qt::SolidPattern || b.color() != color) { |
|
321 | 321 | b.setStyle(Qt::SolidPattern); |
|
322 | 322 | b.setColor(color); |
|
323 | 323 | setLabelBrush(b); |
|
324 | 324 | } |
|
325 | 325 | } |
|
326 | 326 | |
|
327 | 327 | QColor QLegend::labelColor() const |
|
328 | 328 | { |
|
329 | 329 | return d_ptr->m_labelBrush.color(); |
|
330 | 330 | } |
|
331 | 331 | |
|
332 | 332 | |
|
333 | 333 | void QLegend::setAlignment(Qt::Alignment alignment) |
|
334 | 334 | { |
|
335 | 335 | if (d_ptr->m_alignment != alignment) { |
|
336 | 336 | d_ptr->m_alignment = alignment; |
|
337 | 337 | layout()->invalidate(); |
|
338 | 338 | } |
|
339 | 339 | } |
|
340 | 340 | |
|
341 | 341 | Qt::Alignment QLegend::alignment() const |
|
342 | 342 | { |
|
343 | 343 | return d_ptr->m_alignment; |
|
344 | 344 | } |
|
345 | 345 | |
|
346 | 346 | /*! |
|
347 | 347 | Detaches the legend from chart. Chart won't change layout of the legend. |
|
348 | 348 | */ |
|
349 | 349 | void QLegend::detachFromChart() |
|
350 | 350 | { |
|
351 | 351 | d_ptr->m_attachedToChart = false; |
|
352 | 352 | layout()->invalidate(); |
|
353 | 353 | setParent(0); |
|
354 | 354 | |
|
355 | 355 | } |
|
356 | 356 | |
|
357 | 357 | /*! |
|
358 | 358 | Attaches the legend to chart. Chart may change layout of the legend. |
|
359 | 359 | */ |
|
360 | 360 | void QLegend::attachToChart() |
|
361 | 361 | { |
|
362 | 362 | d_ptr->m_attachedToChart = true; |
|
363 | 363 | layout()->invalidate(); |
|
364 | 364 | setParent(d_ptr->m_chart); |
|
365 | 365 | } |
|
366 | 366 | |
|
367 | 367 | /*! |
|
368 | 368 | Returns true, if legend is attached to chart. |
|
369 | 369 | */ |
|
370 | 370 | bool QLegend::isAttachedToChart() |
|
371 | 371 | { |
|
372 | 372 | return d_ptr->m_attachedToChart; |
|
373 | 373 | } |
|
374 | 374 | |
|
375 | 375 | /*! |
|
376 | 376 | Sets the visibility of legend background to \a visible |
|
377 | 377 | */ |
|
378 | 378 | void QLegend::setBackgroundVisible(bool visible) |
|
379 | 379 | { |
|
380 | 380 | if (d_ptr->m_backgroundVisible != visible) { |
|
381 | 381 | d_ptr->m_backgroundVisible = visible; |
|
382 | 382 | update(); |
|
383 | 383 | emit backgroundVisibleChanged(visible); |
|
384 | 384 | } |
|
385 | 385 | } |
|
386 | 386 | |
|
387 | 387 | /*! |
|
388 | 388 | Returns the visibility of legend background |
|
389 | 389 | */ |
|
390 | 390 | bool QLegend::isBackgroundVisible() const |
|
391 | 391 | { |
|
392 | 392 | return d_ptr->m_backgroundVisible; |
|
393 | 393 | } |
|
394 | 394 | |
|
395 | ||
|
396 | QList<QLegendMarker*> QLegend::markers() const | |
|
397 | { | |
|
398 | // TODO: name of PIMPL method will change. | |
|
399 | return d_ptr->legendMarkers(); | |
|
400 | } | |
|
401 | ||
|
402 | ||
|
395 | 403 | /*! |
|
396 | 404 | \internal \a event see QGraphicsWidget for details |
|
397 | 405 | */ |
|
398 | 406 | void QLegend::hideEvent(QHideEvent *event) |
|
399 | 407 | { |
|
400 | 408 | if (isAttachedToChart()) |
|
401 | 409 | d_ptr->m_presenter->layout()->invalidate(); |
|
402 | 410 | QGraphicsWidget::hideEvent(event); |
|
403 | 411 | } |
|
404 | 412 | /*! |
|
405 | 413 | \internal \a event see QGraphicsWidget for details |
|
406 | 414 | */ |
|
407 | 415 | void QLegend::showEvent(QShowEvent *event) |
|
408 | 416 | { |
|
409 | 417 | if (isAttachedToChart()) { |
|
410 | 418 | d_ptr->items()->setVisible(false); |
|
411 | 419 | layout()->invalidate(); |
|
412 | 420 | } |
|
413 | 421 | QGraphicsWidget::showEvent(event); |
|
414 | 422 | //layout activation will show the items |
|
415 | 423 | } |
|
416 | 424 | |
|
417 | 425 | //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
|
418 | 426 | |
|
419 | 427 | QLegendPrivate::QLegendPrivate(ChartPresenter *presenter, QChart *chart, QLegend *q) |
|
420 | 428 | : q_ptr(q), |
|
421 | 429 | m_presenter(presenter), |
|
422 | 430 | m_layout(new LegendLayout(q)), |
|
423 | 431 | m_chart(chart), |
|
424 | 432 | m_items(new QGraphicsItemGroup(q)), |
|
425 | 433 | m_alignment(Qt::AlignTop), |
|
426 | 434 | m_brush(QBrush()), |
|
427 | 435 | m_pen(QPen()), |
|
428 | 436 | m_labelBrush(QBrush()), |
|
429 | 437 | m_diameter(5), |
|
430 | 438 | m_attachedToChart(true), |
|
431 | 439 | m_backgroundVisible(false) |
|
432 | 440 | { |
|
433 | 441 | |
|
434 | 442 | } |
|
435 | 443 | |
|
436 | 444 | QLegendPrivate::~QLegendPrivate() |
|
437 | 445 | { |
|
438 | 446 | |
|
439 | 447 | } |
|
440 | 448 | |
|
441 | 449 | void QLegendPrivate::setOffset(qreal x, qreal y) |
|
442 | 450 | { |
|
443 | 451 | m_layout->setOffset(x, y); |
|
444 | 452 | } |
|
445 | 453 | |
|
446 | 454 | QPointF QLegendPrivate::offset() const |
|
447 | 455 | { |
|
448 | 456 | return m_layout->offset(); |
|
449 | 457 | } |
|
450 | 458 | |
|
451 | 459 | int QLegendPrivate::roundness(qreal size) |
|
452 | 460 | { |
|
453 | 461 | return 100 * m_diameter / int(size); |
|
454 | 462 | } |
|
455 | 463 | |
|
456 | 464 | void QLegendPrivate::handleSeriesAdded(QAbstractSeries *series, Domain *domain) |
|
457 | 465 | { |
|
458 | 466 | Q_UNUSED(domain) |
|
459 | 467 | |
|
460 | 468 | QList<LegendMarker *> markers = series->d_ptr->createLegendMarker(q_ptr); |
|
461 | 469 | |
|
462 | 470 | foreach (LegendMarker *marker, markers) { |
|
463 | 471 | marker->setFont(m_font); |
|
464 | 472 | marker->setLabelBrush(m_labelBrush); |
|
465 | 473 | marker->setVisible(series->isVisible()); |
|
466 | 474 | m_items->addToGroup(marker); |
|
467 | 475 | m_markers << marker; |
|
468 | 476 | } |
|
469 | 477 | |
|
470 | 478 | QObject::connect(series, SIGNAL(visibleChanged()), this, SLOT(handleSeriesVisibleChanged())); |
|
471 | 479 | QObject::connect(series->d_ptr.data(), SIGNAL(countChanged()), this, SLOT(handleCountChanged())); |
|
472 | 480 | |
|
473 | 481 | m_items->setVisible(false); |
|
474 | 482 | m_layout->invalidate(); |
|
475 | 483 | } |
|
476 | 484 | |
|
477 | 485 | void QLegendPrivate::handleSeriesRemoved(QAbstractSeries *series) |
|
478 | 486 | { |
|
479 | 487 | foreach (LegendMarker *marker, m_markers) { |
|
480 | 488 | if (marker->series() == series) { |
|
481 | 489 | delete marker; |
|
482 | 490 | m_markers.removeAll(marker); |
|
483 | 491 | } |
|
484 | 492 | } |
|
485 | 493 | |
|
486 | 494 | QObject::disconnect(series, SIGNAL(visibleChanged()), this, SLOT(handleSeriesVisibleChanged())); |
|
487 | 495 | QObject::disconnect(series->d_ptr.data(), SIGNAL(countChanged()), this, SLOT(handleCountChanged())); |
|
488 | 496 | m_layout->invalidate(); |
|
489 | 497 | } |
|
490 | 498 | |
|
491 | 499 | void QLegendPrivate::handleSeriesVisibleChanged() |
|
492 | 500 | { |
|
493 | 501 | QAbstractSeries *series = qobject_cast<QAbstractSeries *> (sender()); |
|
494 | 502 | Q_ASSERT(series); |
|
495 | 503 | |
|
496 | 504 | foreach (LegendMarker *marker, m_markers) { |
|
497 | 505 | if (marker->series() == series) |
|
498 | 506 | marker->setVisible(series->isVisible()); |
|
499 | 507 | } |
|
500 | 508 | m_layout->invalidate(); |
|
501 | 509 | } |
|
502 | 510 | |
|
503 | 511 | void QLegendPrivate::handleCountChanged() |
|
504 | 512 | { |
|
505 | 513 | QAbstractSeriesPrivate *series = qobject_cast<QAbstractSeriesPrivate *> (sender()); |
|
506 | 514 | Q_ASSERT(series); |
|
507 | 515 | handleSeriesRemoved(series->q_ptr); |
|
508 | 516 | handleSeriesAdded(series->q_ptr, 0); |
|
509 | 517 | } |
|
510 | 518 | |
|
511 | 519 | #include "moc_qlegend.cpp" |
|
512 | 520 | #include "moc_qlegend_p.cpp" |
|
513 | 521 | |
|
514 | 522 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,107 +1,111 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #ifndef QLEGEND_H |
|
22 | 22 | #define QLEGEND_H |
|
23 | 23 | |
|
24 | 24 | #include <qchartglobal.h> |
|
25 | 25 | #include <QGraphicsWidget> |
|
26 | 26 | #include <QPen> |
|
27 | 27 | #include <QBrush> |
|
28 | 28 | |
|
29 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
30 | 30 | |
|
31 | 31 | class QPieSlice; |
|
32 | 32 | class QXYSeries; |
|
33 | 33 | class QBarSet; |
|
34 | 34 | class QAbstractBarSeries; |
|
35 | 35 | class QPieSeries; |
|
36 | 36 | class QAreaSeries; |
|
37 | 37 | class QChart; |
|
38 | 38 | class QLegendPrivate; |
|
39 | class QLegendMarker; | |
|
39 | 40 | |
|
40 | 41 | class QTCOMMERCIALCHART_EXPORT QLegend : public QGraphicsWidget |
|
41 | 42 | { |
|
42 | 43 | Q_OBJECT |
|
43 | 44 | Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment) |
|
44 | 45 | Q_PROPERTY(bool backgroundVisible READ isBackgroundVisible WRITE setBackgroundVisible NOTIFY backgroundVisibleChanged) |
|
45 | 46 | Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged) |
|
46 | 47 | Q_PROPERTY(QColor borderColor READ borderColor WRITE setBorderColor NOTIFY borderColorChanged) |
|
47 | 48 | Q_PROPERTY(QFont font READ font WRITE setFont NOTIFY fontChanged) |
|
48 | 49 | Q_PROPERTY(QColor labelColor READ labelColor WRITE setLabelColor NOTIFY labelColorChanged) |
|
49 | 50 | |
|
50 | 51 | private: |
|
51 | 52 | explicit QLegend(QChart *chart); |
|
52 | 53 | |
|
53 | 54 | public: |
|
54 | 55 | ~QLegend(); |
|
55 | 56 | |
|
56 | 57 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0); |
|
57 | 58 | |
|
58 | 59 | void setBrush(const QBrush &brush); |
|
59 | 60 | QBrush brush() const; |
|
60 | 61 | void setColor(QColor color); |
|
61 | 62 | QColor color(); |
|
62 | 63 | |
|
63 | 64 | void setPen(const QPen &pen); |
|
64 | 65 | QPen pen() const; |
|
65 | 66 | void setBorderColor(QColor color); |
|
66 | 67 | QColor borderColor(); |
|
67 | 68 | |
|
68 | 69 | void setFont(const QFont &font); |
|
69 | 70 | QFont font() const; |
|
70 | 71 | void setLabelBrush(const QBrush &brush); |
|
71 | 72 | QBrush labelBrush() const; |
|
72 | 73 | |
|
73 | 74 | void setLabelColor(QColor color); |
|
74 | 75 | QColor labelColor() const; |
|
75 | 76 | |
|
76 | 77 | void setAlignment(Qt::Alignment alignment); |
|
77 | 78 | Qt::Alignment alignment() const; |
|
78 | 79 | |
|
79 | 80 | void detachFromChart(); |
|
80 | 81 | void attachToChart(); |
|
81 | 82 | bool isAttachedToChart(); |
|
82 | 83 | |
|
83 | 84 | void setBackgroundVisible(bool visible = true); |
|
84 | 85 | bool isBackgroundVisible() const; |
|
85 | 86 | |
|
87 | // New stuff: | |
|
88 | QList <QLegendMarker*> markers() const; | |
|
89 | ||
|
86 | 90 | protected: |
|
87 | 91 | void hideEvent(QHideEvent *event); |
|
88 | 92 | void showEvent(QShowEvent *event); |
|
89 | 93 | |
|
90 | 94 | Q_SIGNALS: |
|
91 | 95 | void backgroundVisibleChanged(bool visible); |
|
92 | 96 | void colorChanged(QColor color); |
|
93 | 97 | void borderColorChanged(QColor color); |
|
94 | 98 | void fontChanged(QFont font); |
|
95 | 99 | void labelColorChanged(QColor color); |
|
96 | 100 | |
|
97 | 101 | private: |
|
98 | 102 | QScopedPointer<QLegendPrivate> d_ptr; |
|
99 | 103 | Q_DISABLE_COPY(QLegend) |
|
100 | 104 | friend class LegendScroller; |
|
101 | 105 | friend class LegendLayout; |
|
102 | 106 | friend class ChartLayout; |
|
103 | 107 | }; |
|
104 | 108 | |
|
105 | 109 | QTCOMMERCIALCHART_END_NAMESPACE |
|
106 | 110 | |
|
107 | 111 | #endif // QLEGEND_H |
@@ -1,87 +1,92 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | // W A R N I N G |
|
22 | 22 | // ------------- |
|
23 | 23 | // |
|
24 | 24 | // This file is not part of the QtCommercial Chart API. It exists purely as an |
|
25 | 25 | // implementation detail. This header file may change from version to |
|
26 | 26 | // version without notice, or even be removed. |
|
27 | 27 | // |
|
28 | 28 | // We mean it. |
|
29 | 29 | |
|
30 | 30 | #ifndef QLEGEND_P_H |
|
31 | 31 | #define QLEGEND_P_H |
|
32 | 32 | |
|
33 | 33 | #include "qlegend.h" |
|
34 | 34 | |
|
35 | 35 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
36 | 36 | |
|
37 | 37 | class QChart; |
|
38 | 38 | class ChartPresenter; |
|
39 | 39 | class QAbstractSeries; |
|
40 | 40 | class LegendLayout; |
|
41 | 41 | class LegendMarker; |
|
42 | 42 | class Domain; |
|
43 | 43 | |
|
44 | 44 | class QLegendPrivate : public QObject |
|
45 | 45 | { |
|
46 | 46 | Q_OBJECT |
|
47 | 47 | public: |
|
48 | 48 | QLegendPrivate(ChartPresenter *presenter, QChart *chart, QLegend *q); |
|
49 | 49 | ~QLegendPrivate(); |
|
50 | 50 | |
|
51 | 51 | void setOffset(qreal x, qreal y); |
|
52 | 52 | QPointF offset() const; |
|
53 | 53 | int roundness(qreal size); |
|
54 | 54 | |
|
55 |
QList<LegendMarker |
|
|
56 |
QGraphicsItemGroup |
|
|
55 | QList<LegendMarker*> markers() { return m_markers; } // TODO: this will be removed | |
|
56 | QGraphicsItemGroup* items() { return m_items; } | |
|
57 | ||
|
58 | // New stuff: | |
|
59 | QList<QLegendMarker*> legendMarkers() { return m_legendMarkers; } // TODO: function name will change | |
|
57 | 60 | |
|
58 | 61 | public Q_SLOTS: |
|
59 | 62 | void handleSeriesAdded(QAbstractSeries *series, Domain *domain); |
|
60 | 63 | void handleSeriesRemoved(QAbstractSeries *series); |
|
61 | 64 | void handleSeriesVisibleChanged(); |
|
62 | 65 | void handleCountChanged(); |
|
63 | 66 | |
|
64 | 67 | private: |
|
65 | 68 | QLegend *q_ptr; |
|
66 | 69 | ChartPresenter *m_presenter; |
|
67 | 70 | LegendLayout *m_layout; |
|
68 |
QChart |
|
|
69 |
QGraphicsItemGroup |
|
|
70 |
QList<LegendMarker |
|
|
71 | QChart* m_chart; | |
|
72 | QGraphicsItemGroup* m_items; | |
|
73 | QList<LegendMarker*> m_markers; // TODO: this will be removed | |
|
71 | 74 | Qt::Alignment m_alignment; |
|
72 | 75 | QBrush m_brush; |
|
73 | 76 | QPen m_pen; |
|
74 | 77 | QFont m_font; |
|
75 | 78 | QBrush m_labelBrush; |
|
76 | 79 | |
|
77 | 80 | qreal m_diameter; |
|
78 | 81 | bool m_attachedToChart; |
|
79 | 82 | bool m_backgroundVisible; |
|
80 | 83 | |
|
81 | 84 | friend class QLegend; |
|
82 | 85 | friend class LegendLayout; |
|
86 | QList<QLegendMarker*> m_legendMarkers; // TODO: rename to m_markers eventually. | |
|
87 | ||
|
83 | 88 | }; |
|
84 | 89 | |
|
85 | 90 | QTCOMMERCIALCHART_END_NAMESPACE |
|
86 | 91 | |
|
87 | 92 | #endif |
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