| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the Qt Charts module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:GPL$ | 
| 9 | ** Commercial License Usage | 
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in | 
| 11 | ** accordance with the commercial license agreement provided with the | 
| 12 | ** Software or, alternatively, in accordance with the terms contained in | 
| 13 | ** a written agreement between you and The Qt Company. For licensing terms | 
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further | 
| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 16 | ** | 
| 17 | ** GNU General Public License Usage | 
| 18 | ** Alternatively, this file may be used under the terms of the GNU | 
| 19 | ** General Public License version 3 or (at your option) any later version | 
| 20 | ** approved by the KDE Free Qt Foundation. The licenses are as published by | 
| 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 | 
| 22 | ** included in the packaging of this file. Please review the following | 
| 23 | ** information to ensure the GNU General Public License requirements will | 
| 24 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. | 
| 25 | ** | 
| 26 | ** $QT_END_LICENSE$ | 
| 27 | ** | 
| 28 | ****************************************************************************/ | 
| 29 |  | 
| 30 | #include <QtCharts/QPieSlice> | 
| 31 | #include <private/qpieslice_p.h> | 
| 32 |  | 
| 33 | QT_CHARTS_BEGIN_NAMESPACE | 
| 34 |  | 
| 35 | /*! | 
| 36 |     \class QPieSlice | 
| 37 |     \inmodule QtCharts | 
| 38 |     \brief The QPieSlice class represents a single slice in a pie series. | 
| 39 |  | 
| 40 |     A pie slice has a value and a label. When the slice is added to a pie series, the | 
| 41 |     QPieSeries object calculates the percentage of the slice compared with the sum of | 
| 42 |     all slices in the series to determine the actual size of the slice in the chart. | 
| 43 |  | 
| 44 |     By default, the label is hidden. If it is visible, it can be either located outside | 
| 45 |     the slice and connected to it with an arm or centered inside the slice either | 
| 46 |     horizontally or in parallel with the tangential or normal of the slice's arc. | 
| 47 |  | 
| 48 |     By default, the visual appearance of the slice is set by a theme, but the theme can be | 
| 49 |     overridden by specifying slice properties. However, if the theme is changed after the | 
| 50 |     slices are customized, all customization will be lost. | 
| 51 |  | 
| 52 |     To enable user interaction with the pie chart, some basic signals are emitted when | 
| 53 |     users click pie slices or hover the mouse over them. | 
| 54 |  | 
| 55 |     \sa QPieSeries | 
| 56 | */ | 
| 57 |  | 
| 58 | /*! | 
| 59 |     \qmltype PieSlice | 
| 60 |     \instantiates QPieSlice | 
| 61 |     \inqmlmodule QtCharts | 
| 62 |  | 
| 63 |     \brief Represents a single slice in a pie series. | 
| 64 |  | 
| 65 |     A pie slice has a value and a label. When the slice is added to a pie series, the | 
| 66 |     PieSeries type calculates the percentage of the slice compared with the sum of | 
| 67 |     all slices in the series to determine the actual size of the slice in the chart. | 
| 68 |  | 
| 69 |     By default, the label is hidden. If it is visible, it can be either located outside | 
| 70 |     the slice and connected to it with an arm or centered inside the slice either | 
| 71 |     horizontally or in parallel with the tangential or normal of the slice's arc. | 
| 72 |  | 
| 73 |     By default, the visual appearance of the slice is set by a theme, but the theme can be | 
| 74 |     overridden by specifying slice properties. However, if the theme is changed after the | 
| 75 |     slices are customized, all customization will be lost. | 
| 76 |  | 
| 77 |     The PieSlice type should be used as a child of a PieSeries type. For example: | 
| 78 |     \snippet qmlpiechart/qml/qmlpiechart/main.qml 2 | 
| 79 |  | 
| 80 |     Alternatively, slices can be added to a pie series by using the \l{PieSeries::append()} | 
| 81 |     {PieSeries.append()} method. | 
| 82 |     \snippet qmlpiechart/qml/qmlpiechart/main.qml 4 | 
| 83 |  | 
| 84 |     In that case, \l{PieSeries::at()}{PieSeries.at()} or \l {PieSeries::find} | 
| 85 |     {PieSeries.find} can be used to access the properties of an individual PieSlice instance. | 
| 86 |     \snippet qmlpiechart/qml/qmlpiechart/main.qml 5 | 
| 87 |     \sa PieSeries | 
| 88 | */ | 
| 89 |  | 
| 90 | /*! | 
| 91 |  \enum QPieSlice::LabelPosition | 
| 92 |  | 
| 93 |  This enum describes the position of the slice label. | 
| 94 |  | 
| 95 |     \value  LabelOutside | 
| 96 |             The label is located outside the slice connected to it with an arm. | 
| 97 |             This is the default value. | 
| 98 |     \value  LabelInsideHorizontal | 
| 99 |             The label is centered within the slice and laid out horizontally. | 
| 100 |     \value  LabelInsideTangential | 
| 101 |             The label is centered within the slice and rotated to be parallel with | 
| 102 |             the tangential of the slice's arc. | 
| 103 |     \value  LabelInsideNormal | 
| 104 |             The label is centered within the slice and rotated to be parallel with | 
| 105 |             the normal of the slice's arc. | 
| 106 |  */ | 
| 107 |  | 
| 108 | /*! | 
| 109 |     \property QPieSlice::label | 
| 110 |     \brief The label of the slice. | 
| 111 |     \note The string can be HTML formatted. | 
| 112 |     \sa labelVisible, labelBrush, labelFont, labelArmLengthFactor | 
| 113 | */ | 
| 114 | /*! | 
| 115 |     \qmlproperty string PieSlice::label | 
| 116 |     The label of the slice. | 
| 117 |     \note The string can be HTML formatted. | 
| 118 | */ | 
| 119 |  | 
| 120 | /*! | 
| 121 |     \fn void QPieSlice::labelChanged() | 
| 122 |     This signal is emitted when the slice label changes. | 
| 123 |     \sa label | 
| 124 | */ | 
| 125 |  | 
| 126 | /*! | 
| 127 |     \property QPieSlice::value | 
| 128 |     \brief The value of the slice. | 
| 129 |     \note A negative value is converted to a positive value. | 
| 130 |     \sa percentage(), QPieSeries::sum() | 
| 131 | */ | 
| 132 | /*! | 
| 133 |     \qmlproperty real PieSlice::value | 
| 134 |     The value of the slice. | 
| 135 |  | 
| 136 |     \note A negative value is converted to a positive value. | 
| 137 | */ | 
| 138 |  | 
| 139 | /*! | 
| 140 |     \fn void QPieSlice::valueChanged() | 
| 141 |     This signal is emitted when the slice value changes. | 
| 142 |     \sa value | 
| 143 | */ | 
| 144 |  | 
| 145 | /*! | 
| 146 |     \property QPieSlice::labelVisible | 
| 147 |     \brief The visibility of the slice label. By default, the label is not visible. | 
| 148 |     \sa label, labelBrush, labelFont, labelArmLengthFactor | 
| 149 | */ | 
| 150 | /*! | 
| 151 |     \qmlproperty bool PieSlice::labelVisible | 
| 152 |     The visibility of the slice label. By default, the label is not visible. | 
| 153 | */ | 
| 154 |  | 
| 155 | /*! | 
| 156 |     \fn void QPieSlice::labelVisibleChanged() | 
| 157 |     This signal is emitted when the visibility of the slice label changes. | 
| 158 |     \sa labelVisible | 
| 159 | */ | 
| 160 |  | 
| 161 | /*! | 
| 162 |     \property QPieSlice::exploded | 
| 163 |     \brief Whether the slice is separated from the pie. | 
| 164 |     \sa explodeDistanceFactor | 
| 165 | */ | 
| 166 | /*! | 
| 167 |     \qmlproperty bool PieSlice::exploded | 
| 168 |     Whether the slice is separated from the pie. | 
| 169 |     \sa explodeDistanceFactor | 
| 170 | */ | 
| 171 |  | 
| 172 | /*! | 
| 173 |     \property QPieSlice::pen | 
| 174 |     \brief The pen used to draw the slice border. | 
| 175 | */ | 
| 176 |  | 
| 177 | /*! | 
| 178 |     \fn void QPieSlice::penChanged() | 
| 179 |     This signal is emitted when the pen used to draw the slice border changes. | 
| 180 |     \sa pen | 
| 181 | */ | 
| 182 |  | 
| 183 | /*! | 
| 184 |     \property QPieSlice::borderColor | 
| 185 |     \brief The color used to draw the slice border. | 
| 186 |     This is a convenience property for modifying the slice pen. | 
| 187 |     \sa pen, borderWidth | 
| 188 | */ | 
| 189 | /*! | 
| 190 |     \qmlproperty color PieSlice::borderColor | 
| 191 |     The color used to draw the slice border (pen color). | 
| 192 |     \sa borderWidth | 
| 193 | */ | 
| 194 |  | 
| 195 | /*! | 
| 196 |     \fn void QPieSlice::borderColorChanged() | 
| 197 |     This signal is emitted when the slice border color changes. | 
| 198 |     \sa pen, borderColor | 
| 199 | */ | 
| 200 |  | 
| 201 | /*! | 
| 202 |     \property QPieSlice::borderWidth | 
| 203 |     \brief The width of the slice border. | 
| 204 |     This is a convenience property for modifying the slice pen. | 
| 205 |     \sa pen, borderColor | 
| 206 | */ | 
| 207 | /*! | 
| 208 |     \qmlproperty int PieSlice::borderWidth | 
| 209 |     The width of the slice border. | 
| 210 |     This is a convenience property for modifying the slice pen. | 
| 211 |     \sa borderColor | 
| 212 | */ | 
| 213 |  | 
| 214 | /*! | 
| 215 |     \fn void QPieSlice::borderWidthChanged() | 
| 216 |     This signal is emitted when the slice border width changes. | 
| 217 |     \sa pen, borderWidth | 
| 218 | */ | 
| 219 |  | 
| 220 | /*! | 
| 221 |     \property QPieSlice::brush | 
| 222 |     \brief The brush used to fill the slice. | 
| 223 | */ | 
| 224 |  | 
| 225 | /*! | 
| 226 |     \fn void QPieSlice::brushChanged() | 
| 227 |     This signal is emitted when the brush used to fill the slice changes. | 
| 228 |     \sa brush | 
| 229 | */ | 
| 230 |  | 
| 231 | /*! | 
| 232 |     \qmlproperty string PieSlice::brushFilename | 
| 233 |     The name of the file used as a brush for the slice. | 
| 234 | */ | 
| 235 |  | 
| 236 | /*! | 
| 237 |     \property QPieSlice::color | 
| 238 |     \brief The fill (brush) color of the slice. | 
| 239 |     This is a convenience property for modifying the slice brush. | 
| 240 |     \sa brush | 
| 241 | */ | 
| 242 | /*! | 
| 243 |     \qmlproperty color PieSlice::color | 
| 244 |     The fill (brush) color of the slice. | 
| 245 | */ | 
| 246 |  | 
| 247 | /*! | 
| 248 |     \fn void QPieSlice::colorChanged() | 
| 249 |     This signal is emitted when the slice color changes. | 
| 250 |     \sa brush | 
| 251 | */ | 
| 252 |  | 
| 253 | /*! | 
| 254 |     \property QPieSlice::labelBrush | 
| 255 |     \brief The brush used to draw the label and label arm of the slice. | 
| 256 |     \sa label, labelVisible, labelFont, labelArmLengthFactor | 
| 257 | */ | 
| 258 |  | 
| 259 | /*! | 
| 260 |     \fn void QPieSlice::labelBrushChanged() | 
| 261 |     This signal is emitted when the label brush of the slice changes. | 
| 262 |     \sa labelBrush | 
| 263 | */ | 
| 264 |  | 
| 265 | /*! | 
| 266 |     \property QPieSlice::labelColor | 
| 267 |     \brief The color used to draw the slice label. | 
| 268 |     This is a convenience property for modifying the slice label brush. | 
| 269 |     \sa labelBrush | 
| 270 | */ | 
| 271 | /*! | 
| 272 |     \qmlproperty color PieSlice::labelColor | 
| 273 |     The color used to draw the slice label. | 
| 274 | */ | 
| 275 |  | 
| 276 | /*! | 
| 277 |     \fn void QPieSlice::labelColorChanged() | 
| 278 |     This signal is emitted when the slice label color changes. | 
| 279 |     \sa labelColor | 
| 280 | */ | 
| 281 |  | 
| 282 | /*! | 
| 283 |     \property QPieSlice::labelFont | 
| 284 |     \brief The font used for drawing the label text. | 
| 285 |     \sa label, labelVisible, labelArmLengthFactor | 
| 286 | */ | 
| 287 |  | 
| 288 | /*! | 
| 289 |     \fn void QPieSlice::labelFontChanged() | 
| 290 |     This signal is emitted when the label font of the slice changes. | 
| 291 |     \sa labelFont | 
| 292 | */ | 
| 293 |  | 
| 294 | /*! | 
| 295 |     \qmlproperty font PieSlice::labelFont | 
| 296 |  | 
| 297 |     The font used for the slice label. | 
| 298 |  | 
| 299 |     For more information, see \l [QML]{font}. | 
| 300 |  | 
| 301 |     \sa labelVisible, labelPosition | 
| 302 | */ | 
| 303 |  | 
| 304 | /*! | 
| 305 |     \property QPieSlice::labelPosition | 
| 306 |     \brief The position of the slice label. | 
| 307 |     \sa label, labelVisible | 
| 308 | */ | 
| 309 | /*! | 
| 310 |     \qmlproperty enumeration PieSlice::labelPosition | 
| 311 |  | 
| 312 |     Describes the position of the slice label. | 
| 313 |  | 
| 314 |     \value  PieSlice.LabelOutside | 
| 315 |             The label is located outside the slice connected to it with an arm. | 
| 316 |             This is the default value. | 
| 317 |     \value  PieSlice.LabelInsideHorizontal | 
| 318 |             The label is centered within the slice and laid out horizontally. | 
| 319 |     \value  PieSlice.LabelInsideTangential | 
| 320 |             The label is centered within the slice and rotated to be parallel with | 
| 321 |             the tangential of the slice's arc. | 
| 322 |     \value  PieSlice.LabelInsideNormal | 
| 323 |             The label is centered within the slice and rotated to be parallel with | 
| 324 |             the normal of the slice's arc. | 
| 325 |  | 
| 326 |     \sa labelVisible | 
| 327 | */ | 
| 328 |  | 
| 329 | /*! | 
| 330 |     \property QPieSlice::labelArmLengthFactor | 
| 331 |     \brief The length of the label arm. | 
| 332 |     The factor is relative to the pie radius. For example: | 
| 333 |     \list | 
| 334 |         \li 1.0 means that the length is the same as the radius. | 
| 335 |         \li 0.5 means that the length is half of the radius. | 
| 336 |     \endlist | 
| 337 |     By default, the arm length is 0.15 | 
| 338 |     \sa label, labelVisible, labelBrush, labelFont | 
| 339 | */ | 
| 340 | /*! | 
| 341 |     \qmlproperty real PieSlice::labelArmLengthFactor | 
| 342 |     The length of the label arm. | 
| 343 |     The factor is relative to the pie radius. For example: | 
| 344 |     \list | 
| 345 |         \li 1.0 means that the length is the same as the radius. | 
| 346 |         \li 0.5 means that the length is half of the radius. | 
| 347 |     \endlist | 
| 348 |     By default, the arm length is 0.15 | 
| 349 |  | 
| 350 |     \sa labelVisible | 
| 351 | */ | 
| 352 |  | 
| 353 | /*! | 
| 354 |     \property QPieSlice::explodeDistanceFactor | 
| 355 |     \brief Determines how far away from the pie the slice is exploded. | 
| 356 |     \list | 
| 357 |         \li 1.0 means that the distance is the same as the radius. | 
| 358 |         \li 0.5 means that the distance is half of the radius. | 
| 359 |     \endlist | 
| 360 |     By default, the distance is 0.15 | 
| 361 |     \sa exploded | 
| 362 | */ | 
| 363 | /*! | 
| 364 |     \qmlproperty real PieSlice::explodeDistanceFactor | 
| 365 |     Determines how far away from the pie the slice is exploded. | 
| 366 |     \list | 
| 367 |         \li 1.0 means that the distance is the same as the radius. | 
| 368 |         \li 0.5 means that the distance is half of the radius. | 
| 369 |     \endlist | 
| 370 |     By default, the distance is 0.15 | 
| 371 |  | 
| 372 |     \sa exploded | 
| 373 | */ | 
| 374 |  | 
| 375 | /*! | 
| 376 |     \property QPieSlice::percentage | 
| 377 |     \brief The percentage of the slice compared to the sum of all slices in the series. | 
| 378 |     The actual value ranges from 0.0 to 1.0. | 
| 379 |     Updated automatically once the slice is added to the series. | 
| 380 |     \sa value, QPieSeries::sum | 
| 381 | */ | 
| 382 | /*! | 
| 383 |     \qmlproperty real PieSlice::percentage | 
| 384 |     The percentage of the slice compared to the sum of all slices in the series. | 
| 385 |     The actual value ranges from 0.0 to 1.0. | 
| 386 |     Updated automatically once the slice is added to the series. | 
| 387 | */ | 
| 388 |  | 
| 389 | /*! | 
| 390 |     \fn void QPieSlice::percentageChanged() | 
| 391 |     This signal is emitted when the percentage of the slice changes. | 
| 392 |     \sa percentage | 
| 393 | */ | 
| 394 |  | 
| 395 | /*! | 
| 396 |     \property QPieSlice::startAngle | 
| 397 |     \brief The starting angle of this slice in the series it belongs to. | 
| 398 |     A full pie is 360 degrees, where 0 degrees is at 12 a'clock. | 
| 399 |     Updated automatically once the slice is added to the series. | 
| 400 | */ | 
| 401 | /*! | 
| 402 |     \qmlproperty real PieSlice::startAngle | 
| 403 |     The starting angle of this slice in the series it belongs to. | 
| 404 |     A full pie is 360 degrees, where 0 degrees is at 12 a'clock. | 
| 405 |     Updated automatically once the slice is added to the series. | 
| 406 | */ | 
| 407 |  | 
| 408 | /*! | 
| 409 |     \fn void QPieSlice::startAngleChanged() | 
| 410 |     This signal is emitted when the starting angle of the slice changes. | 
| 411 |     \sa startAngle | 
| 412 | */ | 
| 413 |  | 
| 414 | /*! | 
| 415 |     \property QPieSlice::angleSpan | 
| 416 |     \brief  The span of the slice in degrees. | 
| 417 |     A full pie is 360 degrees, where 0 degrees is at 12 a'clock. | 
| 418 |     Updated automatically once the slice is added to the series. | 
| 419 | */ | 
| 420 | /*! | 
| 421 |     \qmlproperty real PieSlice::angleSpan | 
| 422 |     The span of the slice in degrees. | 
| 423 |     A full pie is 360 degrees, where 0 degrees is at 12 a'clock. | 
| 424 |     Updated automatically once the slice is added to the series. | 
| 425 | */ | 
| 426 |  | 
| 427 | /*! | 
| 428 |     \fn void QPieSlice::angleSpanChanged() | 
| 429 |     This signal is emitted when the angle span of the slice changes. | 
| 430 |     \sa angleSpan | 
| 431 | */ | 
| 432 |  | 
| 433 | /*! | 
| 434 |     \fn void QPieSlice::clicked() | 
| 435 |     This signal is emitted when the slice is clicked. | 
| 436 |     \sa QPieSeries::clicked() | 
| 437 | */ | 
| 438 | /*! | 
| 439 |     \qmlsignal PieSlice::clicked() | 
| 440 |     This signal is emitted when the slice is clicked. | 
| 441 |  | 
| 442 |     The corresponding signal handler is \c onClicked(). | 
| 443 | */ | 
| 444 |  | 
| 445 | /*! | 
| 446 |     \fn void QPieSlice::pressed() | 
| 447 |     This signal is emitted when the user clicks the slice and holds down the mouse button. | 
| 448 |     \sa QPieSeries::pressed() | 
| 449 | */ | 
| 450 | /*! | 
| 451 |     \qmlsignal PieSlice::pressed() | 
| 452 |     This signal is emitted when user clicks the slice and holds down the mouse button. | 
| 453 |  | 
| 454 |     The corresponding signal handler is \c onPressed(). | 
| 455 | */ | 
| 456 |  | 
| 457 | /*! | 
| 458 |     \fn void QPieSlice::released() | 
| 459 |     This signal is emitted when the user releases the mouse press on the slice. | 
| 460 |     \sa QPieSeries::released() | 
| 461 | */ | 
| 462 | /*! | 
| 463 |     \qmlsignal PieSlice::released() | 
| 464 |     This signal is emitted when the user releases the mouse press on the slice. | 
| 465 |  | 
| 466 |     The corresponding signal handler is \c onReleased(). | 
| 467 | */ | 
| 468 |  | 
| 469 | /*! | 
| 470 |     \fn void QPieSlice::doubleClicked() | 
| 471 |     This signal is emitted when user double-clicks the slice. | 
| 472 |     \sa QPieSeries::doubleClicked() | 
| 473 | */ | 
| 474 | /*! | 
| 475 |     \qmlsignal PieSlice::doubleClicked() | 
| 476 |     This signal is emitted when user double-clicks the slice. | 
| 477 |  | 
| 478 |     The corresponding signal handler is \c onDoubleClicked(). | 
| 479 | */ | 
| 480 |  | 
| 481 | /*! | 
| 482 |     \fn void QPieSlice::hovered(bool state) | 
| 483 |     This signal is emitted when a mouse is hovered over the slice. When the mouse | 
| 484 |     moves over the slice, \a state turns \c true, and when the mouse moves away | 
| 485 |     again, it turns \c false. | 
| 486 |     \sa QPieSeries::hovered() | 
| 487 | */ | 
| 488 | /*! | 
| 489 |     \qmlsignal PieSlice::hovered(bool state) | 
| 490 |     This signal is emitted when a mouse is hovered over the slice. When the mouse | 
| 491 |     moves over the slice, \a state turns \c true, and when the mouse moves away | 
| 492 |     again, it turns \c false. | 
| 493 |  | 
| 494 |     The corresponding signal handler is \c onHovered(). | 
| 495 | */ | 
| 496 |  | 
| 497 | /*! | 
| 498 |     Constructs an empty slice with the parent \a parent. | 
| 499 |     \sa QPieSeries::append(), QPieSeries::insert() | 
| 500 | */ | 
| 501 | QPieSlice::QPieSlice(QObject *parent) | 
| 502 |     : QObject(parent), | 
| 503 |       d_ptr(new QPieSlicePrivate(this)) | 
| 504 | { | 
| 505 |  | 
| 506 | } | 
| 507 |  | 
| 508 | /*! | 
| 509 |     Constructs an empty slice with the specified \a value, \a label, and \a parent. | 
| 510 |     \sa QPieSeries::append(), QPieSeries::insert() | 
| 511 | */ | 
| 512 | QPieSlice::QPieSlice(QString label, qreal value, QObject *parent) | 
| 513 |     : QObject(parent), | 
| 514 |       d_ptr(new QPieSlicePrivate(this)) | 
| 515 | { | 
| 516 |     setValue(value); | 
| 517 |     setLabel(label); | 
| 518 | } | 
| 519 |  | 
| 520 | /*! | 
| 521 |     Removes the slice. The slice should not be removed if it has been added to a series. | 
| 522 | */ | 
| 523 | QPieSlice::~QPieSlice() | 
| 524 | { | 
| 525 |  | 
| 526 | } | 
| 527 |  | 
| 528 | void QPieSlice::setLabel(QString label) | 
| 529 | { | 
| 530 |     if (d_ptr->m_data.m_labelText != label) { | 
| 531 |         d_ptr->m_data.m_labelText = label; | 
| 532 |         emit labelChanged(); | 
| 533 |     } | 
| 534 | } | 
| 535 |  | 
| 536 | QString QPieSlice::label() const | 
| 537 | { | 
| 538 |     return d_ptr->m_data.m_labelText; | 
| 539 | } | 
| 540 |  | 
| 541 | void QPieSlice::setValue(qreal value) | 
| 542 | { | 
| 543 |     value = qAbs(t: value); // negative values not allowed | 
| 544 |     if (!qFuzzyCompare(p1: d_ptr->m_data.m_value, p2: value)) { | 
| 545 |         d_ptr->m_data.m_value = value; | 
| 546 |         emit valueChanged(); | 
| 547 |     } | 
| 548 | } | 
| 549 |  | 
| 550 | qreal QPieSlice::value() const | 
| 551 | { | 
| 552 |     return d_ptr->m_data.m_value; | 
| 553 | } | 
| 554 |  | 
| 555 | void QPieSlice::setLabelVisible(bool visible) | 
| 556 | { | 
| 557 |     if (d_ptr->m_data.m_isLabelVisible != visible) { | 
| 558 |         d_ptr->m_data.m_isLabelVisible = visible; | 
| 559 |         emit labelVisibleChanged(); | 
| 560 |     } | 
| 561 | } | 
| 562 |  | 
| 563 | bool QPieSlice::isLabelVisible() const | 
| 564 | { | 
| 565 |     return d_ptr->m_data.m_isLabelVisible; | 
| 566 | } | 
| 567 |  | 
| 568 | void QPieSlice::setExploded(bool exploded) | 
| 569 | { | 
| 570 |     if (d_ptr->m_data.m_isExploded != exploded) { | 
| 571 |         d_ptr->m_data.m_isExploded = exploded; | 
| 572 |         emit d_ptr->explodedChanged(); | 
| 573 |     } | 
| 574 | } | 
| 575 |  | 
| 576 | QPieSlice::LabelPosition QPieSlice::labelPosition() | 
| 577 | { | 
| 578 |     return d_ptr->m_data.m_labelPosition; | 
| 579 | } | 
| 580 |  | 
| 581 | void QPieSlice::setLabelPosition(LabelPosition position) | 
| 582 | { | 
| 583 |     if (d_ptr->m_data.m_labelPosition != position) { | 
| 584 |         d_ptr->m_data.m_labelPosition = position; | 
| 585 |         emit d_ptr->labelPositionChanged(); | 
| 586 |     } | 
| 587 | } | 
| 588 |  | 
| 589 | bool QPieSlice::isExploded() const | 
| 590 | { | 
| 591 |     return d_ptr->m_data.m_isExploded; | 
| 592 | } | 
| 593 |  | 
| 594 | void QPieSlice::setPen(const QPen &pen) | 
| 595 | { | 
| 596 |     d_ptr->setPen(pen, themed: false); | 
| 597 | } | 
| 598 |  | 
| 599 | QPen QPieSlice::pen() const | 
| 600 | { | 
| 601 |     return d_ptr->m_data.m_slicePen; | 
| 602 | } | 
| 603 |  | 
| 604 | QColor QPieSlice::borderColor() | 
| 605 | { | 
| 606 |     return pen().color(); | 
| 607 | } | 
| 608 |  | 
| 609 | void QPieSlice::setBorderColor(QColor color) | 
| 610 | { | 
| 611 |     QPen p = pen(); | 
| 612 |     if (color != p.color()) { | 
| 613 |         p.setColor(color); | 
| 614 |         setPen(p); | 
| 615 |     } | 
| 616 | } | 
| 617 |  | 
| 618 | int QPieSlice::borderWidth() | 
| 619 | { | 
| 620 |     return pen().width(); | 
| 621 | } | 
| 622 |  | 
| 623 | void QPieSlice::setBorderWidth(int width) | 
| 624 | { | 
| 625 |     QPen p = pen(); | 
| 626 |     if (width != p.width()) { | 
| 627 |         p.setWidth(width); | 
| 628 |         setPen(p); | 
| 629 |     } | 
| 630 | } | 
| 631 |  | 
| 632 | void QPieSlice::setBrush(const QBrush &brush) | 
| 633 | { | 
| 634 |     d_ptr->setBrush(brush, themed: false); | 
| 635 | } | 
| 636 |  | 
| 637 | QBrush QPieSlice::brush() const | 
| 638 | { | 
| 639 |     return d_ptr->m_data.m_sliceBrush; | 
| 640 | } | 
| 641 |  | 
| 642 | QColor QPieSlice::color() | 
| 643 | { | 
| 644 |     return brush().color(); | 
| 645 | } | 
| 646 |  | 
| 647 | void QPieSlice::setColor(QColor color) | 
| 648 | { | 
| 649 |     QBrush b = brush(); | 
| 650 |  | 
| 651 |     if (b == QBrush()) | 
| 652 |         b.setStyle(Qt::SolidPattern); | 
| 653 |     b.setColor(color); | 
| 654 |     setBrush(b); | 
| 655 | } | 
| 656 |  | 
| 657 | void QPieSlice::setLabelBrush(const QBrush &brush) | 
| 658 | { | 
| 659 |     d_ptr->setLabelBrush(brush, themed: false); | 
| 660 | } | 
| 661 |  | 
| 662 | QBrush QPieSlice::labelBrush() const | 
| 663 | { | 
| 664 |     return d_ptr->m_data.m_labelBrush; | 
| 665 | } | 
| 666 |  | 
| 667 | QColor QPieSlice::labelColor() | 
| 668 | { | 
| 669 |     return labelBrush().color(); | 
| 670 | } | 
| 671 |  | 
| 672 | void QPieSlice::setLabelColor(QColor color) | 
| 673 | { | 
| 674 |     QBrush b = labelBrush(); | 
| 675 |     if (color != b.color()) { | 
| 676 |         b.setColor(color); | 
| 677 |         setLabelBrush(b); | 
| 678 |     } | 
| 679 | } | 
| 680 |  | 
| 681 | void QPieSlice::setLabelFont(const QFont &font) | 
| 682 | { | 
| 683 |     d_ptr->setLabelFont(font, themed: false); | 
| 684 | } | 
| 685 |  | 
| 686 | QFont QPieSlice::labelFont() const | 
| 687 | { | 
| 688 |     return d_ptr->m_data.m_labelFont; | 
| 689 | } | 
| 690 |  | 
| 691 | void QPieSlice::setLabelArmLengthFactor(qreal factor) | 
| 692 | { | 
| 693 |     if (!qFuzzyCompare(p1: d_ptr->m_data.m_labelArmLengthFactor, p2: factor)) { | 
| 694 |         d_ptr->m_data.m_labelArmLengthFactor = factor; | 
| 695 |         emit d_ptr->labelArmLengthFactorChanged(); | 
| 696 |     } | 
| 697 | } | 
| 698 |  | 
| 699 | qreal QPieSlice::labelArmLengthFactor() const | 
| 700 | { | 
| 701 |     return d_ptr->m_data.m_labelArmLengthFactor; | 
| 702 | } | 
| 703 |  | 
| 704 | void QPieSlice::setExplodeDistanceFactor(qreal factor) | 
| 705 | { | 
| 706 |     if (!qFuzzyCompare(p1: d_ptr->m_data.m_explodeDistanceFactor, p2: factor)) { | 
| 707 |         d_ptr->m_data.m_explodeDistanceFactor = factor; | 
| 708 |         emit d_ptr->explodeDistanceFactorChanged(); | 
| 709 |     } | 
| 710 | } | 
| 711 |  | 
| 712 | qreal QPieSlice::explodeDistanceFactor() const | 
| 713 | { | 
| 714 |     return d_ptr->m_data.m_explodeDistanceFactor; | 
| 715 | } | 
| 716 |  | 
| 717 | qreal QPieSlice::percentage() const | 
| 718 | { | 
| 719 |     return d_ptr->m_data.m_percentage; | 
| 720 | } | 
| 721 |  | 
| 722 | qreal QPieSlice::startAngle() const | 
| 723 | { | 
| 724 |     return d_ptr->m_data.m_startAngle; | 
| 725 | } | 
| 726 |  | 
| 727 | qreal QPieSlice::angleSpan() const | 
| 728 | { | 
| 729 |     return d_ptr->m_data.m_angleSpan; | 
| 730 | } | 
| 731 |  | 
| 732 | /*! | 
| 733 |   Returns the series that this slice belongs to. | 
| 734 |  | 
| 735 |   \sa QPieSeries::append() | 
| 736 | */ | 
| 737 | QPieSeries *QPieSlice::series() const | 
| 738 | { | 
| 739 |     return d_ptr->m_series; | 
| 740 | } | 
| 741 |  | 
| 742 | QPieSlicePrivate::QPieSlicePrivate(QPieSlice *parent) | 
| 743 |     : QObject(parent), | 
| 744 |       q_ptr(parent), | 
| 745 |       m_series(0) | 
| 746 | { | 
| 747 |  | 
| 748 | } | 
| 749 |  | 
| 750 | QPieSlicePrivate::~QPieSlicePrivate() | 
| 751 | { | 
| 752 |  | 
| 753 | } | 
| 754 |  | 
| 755 | QPieSlicePrivate *QPieSlicePrivate::fromSlice(QPieSlice *slice) | 
| 756 | { | 
| 757 |     return slice->d_func(); | 
| 758 | } | 
| 759 |  | 
| 760 | void QPieSlicePrivate::setPen(const QPen &pen, bool themed) | 
| 761 | { | 
| 762 |     if (m_data.m_slicePen != pen) { | 
| 763 |  | 
| 764 |         QPen oldPen = m_data.m_slicePen; | 
| 765 |  | 
| 766 |         m_data.m_slicePen = pen; | 
| 767 |         m_data.m_slicePen.setThemed(themed); | 
| 768 |  | 
| 769 |         emit q_ptr->penChanged(); | 
| 770 |         if (oldPen.color() != pen.color()) | 
| 771 |             emit q_ptr->borderColorChanged(); | 
| 772 |         if (oldPen.width() != pen.width()) | 
| 773 |             emit q_ptr->borderWidthChanged(); | 
| 774 |     } | 
| 775 | } | 
| 776 |  | 
| 777 | void QPieSlicePrivate::setBrush(const QBrush &brush, bool themed) | 
| 778 | { | 
| 779 |     if (m_data.m_sliceBrush != brush) { | 
| 780 |  | 
| 781 |         QBrush oldBrush = m_data.m_sliceBrush; | 
| 782 |  | 
| 783 |         m_data.m_sliceBrush = brush; | 
| 784 |         m_data.m_sliceBrush.setThemed(themed); | 
| 785 |  | 
| 786 |         emit q_ptr->brushChanged(); | 
| 787 |         if (oldBrush.color() != brush.color()) | 
| 788 |             emit q_ptr->colorChanged(); | 
| 789 |     } | 
| 790 | } | 
| 791 |  | 
| 792 | void QPieSlicePrivate::setLabelBrush(const QBrush &brush, bool themed) | 
| 793 | { | 
| 794 |     if (m_data.m_labelBrush != brush) { | 
| 795 |  | 
| 796 |         QBrush oldBrush = m_data.m_labelBrush; | 
| 797 |  | 
| 798 |         m_data.m_labelBrush = brush; | 
| 799 |         m_data.m_labelBrush.setThemed(themed); | 
| 800 |  | 
| 801 |         emit q_ptr->labelBrushChanged(); | 
| 802 |         if (oldBrush.color() != brush.color()) | 
| 803 |             emit q_ptr->labelColorChanged(); | 
| 804 |     } | 
| 805 | } | 
| 806 |  | 
| 807 | void QPieSlicePrivate::setLabelFont(const QFont &font, bool themed) | 
| 808 | { | 
| 809 |     if (m_data.m_labelFont != font) { | 
| 810 |         m_data.m_labelFont = font; | 
| 811 |         m_data.m_labelFont.setThemed(themed); | 
| 812 |         emit q_ptr->labelFontChanged(); | 
| 813 |     } | 
| 814 | } | 
| 815 |  | 
| 816 | void QPieSlicePrivate::setPercentage(qreal percentage) | 
| 817 | { | 
| 818 |     if (!qFuzzyCompare(p1: m_data.m_percentage, p2: percentage)) { | 
| 819 |         m_data.m_percentage = percentage; | 
| 820 |         emit q_ptr->percentageChanged(); | 
| 821 |     } | 
| 822 | } | 
| 823 |  | 
| 824 | void QPieSlicePrivate::setStartAngle(qreal angle) | 
| 825 | { | 
| 826 |     if (!qFuzzyCompare(p1: m_data.m_startAngle, p2: angle)) { | 
| 827 |         m_data.m_startAngle = angle; | 
| 828 |         emit q_ptr->startAngleChanged(); | 
| 829 |     } | 
| 830 | } | 
| 831 |  | 
| 832 | void QPieSlicePrivate::setAngleSpan(qreal span) | 
| 833 | { | 
| 834 |     if (!qFuzzyCompare(p1: m_data.m_angleSpan, p2: span)) { | 
| 835 |         m_data.m_angleSpan = span; | 
| 836 |         emit q_ptr->angleSpanChanged(); | 
| 837 |     } | 
| 838 | } | 
| 839 |  | 
| 840 | QT_CHARTS_END_NAMESPACE | 
| 841 |  | 
| 842 | #include "moc_qpieslice.cpp" | 
| 843 | #include "moc_qpieslice_p.cpp" | 
| 844 |  |