| 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 Data Visualization module of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:GPL$ | 
| 9 | ** Commercial License Usage | 
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| 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 | 
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| 21 | ** the Free Software Foundation and appearing in the file LICENSE.GPL3 | 
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| 25 | ** | 
| 26 | ** $QT_END_LICENSE$ | 
| 27 | ** | 
| 28 | ****************************************************************************/ | 
| 29 |  | 
| 30 | #include "declarativetheme_p.h" | 
| 31 |  | 
| 32 | QT_BEGIN_NAMESPACE_DATAVISUALIZATION | 
| 33 |  | 
| 34 | DeclarativeTheme3D::DeclarativeTheme3D(QObject *parent) | 
| 35 |     : Q3DTheme(parent), | 
| 36 |       m_colors(QList<DeclarativeColor *>()), | 
| 37 |       m_gradients(QList<ColorGradient *>()), | 
| 38 |       m_singleHLGradient(0), | 
| 39 |       m_multiHLGradient(0), | 
| 40 |       m_dummyGradients(false), | 
| 41 |       m_dummyColors(false) | 
| 42 | { | 
| 43 |     connect(sender: this, signal: &Q3DTheme::typeChanged, receiver: this, slot: &DeclarativeTheme3D::handleTypeChange); | 
| 44 | } | 
| 45 |  | 
| 46 | DeclarativeTheme3D::~DeclarativeTheme3D() | 
| 47 | { | 
| 48 | } | 
| 49 |  | 
| 50 | QQmlListProperty<QObject> DeclarativeTheme3D::themeChildren() | 
| 51 | { | 
| 52 |     return QQmlListProperty<QObject>(this, this, &DeclarativeTheme3D::appendThemeChildren, | 
| 53 |                                      0, 0, 0); | 
| 54 | } | 
| 55 |  | 
| 56 | void DeclarativeTheme3D::appendThemeChildren(QQmlListProperty<QObject> *list, QObject *element) | 
| 57 | { | 
| 58 |     Q_UNUSED(list) | 
| 59 |     Q_UNUSED(element) | 
| 60 |     // Nothing to do, themeChildren is there only to enable scoping gradient items in Theme3D item. | 
| 61 | } | 
| 62 |  | 
| 63 | void DeclarativeTheme3D::handleTypeChange(Theme themeType) | 
| 64 | { | 
| 65 |     Q_UNUSED(themeType) | 
| 66 |  | 
| 67 |     // Theme changed, disconnect base color/gradient connections | 
| 68 |     if (!m_colors.isEmpty()) { | 
| 69 |         foreach (DeclarativeColor *item, m_colors) | 
| 70 |             disconnect(sender: item, signal: 0, receiver: this, member: 0); | 
| 71 |         m_colors.clear(); | 
| 72 |     } | 
| 73 |     if (!m_gradients.isEmpty()) { | 
| 74 |         foreach (ColorGradient *item, m_gradients) | 
| 75 |             disconnect(sender: item, signal: 0, receiver: this, member: 0); | 
| 76 |         m_gradients.clear(); | 
| 77 |     } | 
| 78 | } | 
| 79 |  | 
| 80 | void DeclarativeTheme3D::handleBaseColorUpdate() | 
| 81 | { | 
| 82 |     int colorCount = m_colors.size(); | 
| 83 |     int changed = 0; | 
| 84 |     // Check which one changed | 
| 85 |     DeclarativeColor *color = qobject_cast<DeclarativeColor *>(object: QObject::sender()); | 
| 86 |     for (int i = 0; i < colorCount; i++) { | 
| 87 |         if (color == m_colors.at(i)) { | 
| 88 |             changed = i; | 
| 89 |             break; | 
| 90 |         } | 
| 91 |     } | 
| 92 |     // Update the changed one from the list | 
| 93 |     QList<QColor> list = Q3DTheme::baseColors(); | 
| 94 |     list[changed] = m_colors.at(i: changed)->color(); | 
| 95 |     // Set the changed list | 
| 96 |     Q3DTheme::setBaseColors(list); | 
| 97 | } | 
| 98 |  | 
| 99 | void DeclarativeTheme3D::handleBaseGradientUpdate() | 
| 100 | { | 
| 101 |     int gradientCount = m_gradients.size(); | 
| 102 |     int changed = 0; | 
| 103 |     // Check which one changed | 
| 104 |     ColorGradient *gradient = qobject_cast<ColorGradient *>(object: QObject::sender()); | 
| 105 |     for (int i = 0; i < gradientCount; i++) { | 
| 106 |         if (gradient == m_gradients.at(i)) { | 
| 107 |             changed = i; | 
| 108 |             break; | 
| 109 |         } | 
| 110 |     } | 
| 111 |     // Update the changed one from the list | 
| 112 |     QList<QLinearGradient> list = Q3DTheme::baseGradients(); | 
| 113 |     list[changed] = convertGradient(gradient); | 
| 114 |     // Set the changed list | 
| 115 |     Q3DTheme::setBaseGradients(list); | 
| 116 | } | 
| 117 |  | 
| 118 | void DeclarativeTheme3D::handleSingleHLGradientUpdate() | 
| 119 | { | 
| 120 |     if (m_singleHLGradient) | 
| 121 |         setThemeGradient(gradient: m_singleHLGradient, type: GradientTypeSingleHL); | 
| 122 | } | 
| 123 |  | 
| 124 | void DeclarativeTheme3D::handleMultiHLGradientUpdate() | 
| 125 | { | 
| 126 |     if (m_multiHLGradient) | 
| 127 |         setThemeGradient(gradient: m_multiHLGradient, type: GradientTypeMultiHL); | 
| 128 | } | 
| 129 |  | 
| 130 | void DeclarativeTheme3D::setSingleHighlightGradient(ColorGradient *gradient) | 
| 131 | { | 
| 132 |     // connect new / disconnect old | 
| 133 |     if (gradient != m_singleHLGradient) { | 
| 134 |         if (m_singleHLGradient) | 
| 135 |             QObject::disconnect(sender: m_singleHLGradient, signal: 0, receiver: this, member: 0); | 
| 136 |  | 
| 137 |         m_singleHLGradient = gradient; | 
| 138 |  | 
| 139 |         if (m_singleHLGradient) { | 
| 140 |             QObject::connect(sender: m_singleHLGradient, signal: &ColorGradient::updated, receiver: this, | 
| 141 |                              slot: &DeclarativeTheme3D::handleSingleHLGradientUpdate); | 
| 142 |         } | 
| 143 |  | 
| 144 |         emit singleHighlightGradientChanged(gradient: m_singleHLGradient); | 
| 145 |     } | 
| 146 |  | 
| 147 |     if (m_singleHLGradient) | 
| 148 |         setThemeGradient(gradient: m_singleHLGradient, type: GradientTypeSingleHL); | 
| 149 | } | 
| 150 |  | 
| 151 | ColorGradient *DeclarativeTheme3D::singleHighlightGradient() const | 
| 152 | { | 
| 153 |     return m_singleHLGradient; | 
| 154 | } | 
| 155 |  | 
| 156 | void DeclarativeTheme3D::setMultiHighlightGradient(ColorGradient *gradient) | 
| 157 | { | 
| 158 |     // connect new / disconnect old | 
| 159 |     if (gradient != m_multiHLGradient) { | 
| 160 |         if (m_multiHLGradient) | 
| 161 |             QObject::disconnect(sender: m_multiHLGradient, signal: 0, receiver: this, member: 0); | 
| 162 |  | 
| 163 |         m_multiHLGradient = gradient; | 
| 164 |  | 
| 165 |         if (m_multiHLGradient) { | 
| 166 |             QObject::connect(sender: m_multiHLGradient, signal: &ColorGradient::updated, receiver: this, | 
| 167 |                              slot: &DeclarativeTheme3D::handleMultiHLGradientUpdate); | 
| 168 |         } | 
| 169 |  | 
| 170 |         emit multiHighlightGradientChanged(gradient: m_multiHLGradient); | 
| 171 |     } | 
| 172 |  | 
| 173 |     if (m_multiHLGradient) | 
| 174 |         setThemeGradient(gradient: m_multiHLGradient, type: GradientTypeMultiHL); | 
| 175 | } | 
| 176 |  | 
| 177 | ColorGradient *DeclarativeTheme3D::multiHighlightGradient() const | 
| 178 | { | 
| 179 |     return m_multiHLGradient; | 
| 180 | } | 
| 181 |  | 
| 182 | void DeclarativeTheme3D::classBegin() | 
| 183 | { | 
| 184 |     // Turn off predefined type forcing for the duration of initial class construction | 
| 185 |     // so that predefined type customization can be done. | 
| 186 |     d_ptr->setForcePredefinedType(false); | 
| 187 | } | 
| 188 |  | 
| 189 | void DeclarativeTheme3D::componentComplete() | 
| 190 | { | 
| 191 |     d_ptr->setForcePredefinedType(true); | 
| 192 | } | 
| 193 |  | 
| 194 |  | 
| 195 | void DeclarativeTheme3D::setThemeGradient(ColorGradient *gradient, GradientType type) | 
| 196 | { | 
| 197 |     QLinearGradient newGradient = convertGradient(gradient); | 
| 198 |  | 
| 199 |     switch (type) { | 
| 200 |     case GradientTypeSingleHL: | 
| 201 |         Q3DTheme::setSingleHighlightGradient(newGradient); | 
| 202 |         break; | 
| 203 |     case GradientTypeMultiHL: | 
| 204 |         Q3DTheme::setMultiHighlightGradient(newGradient); | 
| 205 |         break; | 
| 206 |     default: | 
| 207 |         qWarning(msg: "Incorrect usage. Type may be GradientTypeSingleHL or GradientTypeMultiHL." ); | 
| 208 |         break; | 
| 209 |     } | 
| 210 | } | 
| 211 |  | 
| 212 | QLinearGradient DeclarativeTheme3D::convertGradient(ColorGradient *gradient) | 
| 213 | { | 
| 214 |     QLinearGradient newGradient; | 
| 215 |     QGradientStops stops; | 
| 216 |     QList<ColorGradientStop *> qmlstops = gradient->m_stops; | 
| 217 |  | 
| 218 |     // Get sorted gradient stops | 
| 219 |     for (int i = 0; i < qmlstops.size(); i++) { | 
| 220 |         int j = 0; | 
| 221 |         while (j < stops.size() && stops.at(i: j).first < qmlstops[i]->position()) | 
| 222 |             j++; | 
| 223 |         stops.insert(i: j, t: QGradientStop(qmlstops.at(i)->position(), qmlstops.at(i)->color())); | 
| 224 |     } | 
| 225 |  | 
| 226 |     newGradient.setStops(stops); | 
| 227 |  | 
| 228 |     return newGradient; | 
| 229 | } | 
| 230 |  | 
| 231 | ColorGradient *DeclarativeTheme3D::convertGradient(const QLinearGradient &gradient) | 
| 232 | { | 
| 233 |     ColorGradient *newGradient = new ColorGradient(this); | 
| 234 |     QGradientStops stops = gradient.stops(); | 
| 235 |     ColorGradientStop *qmlstop; | 
| 236 |  | 
| 237 |     // Convert stops | 
| 238 |     for (int i = 0; i < stops.size(); i++) { | 
| 239 |         qmlstop = new ColorGradientStop(newGradient); | 
| 240 |         qmlstop->setColor(stops.at(i).second); | 
| 241 |         qmlstop->setPosition(stops.at(i).first); | 
| 242 |         newGradient->m_stops.append(t: qmlstop); | 
| 243 |     } | 
| 244 |  | 
| 245 |     return newGradient; | 
| 246 | } | 
| 247 |  | 
| 248 | void DeclarativeTheme3D::addColor(DeclarativeColor *color) | 
| 249 | { | 
| 250 |     if (!color) { | 
| 251 |         qWarning(msg: "Color is invalid, use ThemeColor" ); | 
| 252 |         return; | 
| 253 |     } | 
| 254 |     clearDummyColors(); | 
| 255 |     m_colors.append(t: color); | 
| 256 |     connect(sender: color, signal: &DeclarativeColor::colorChanged, | 
| 257 |             receiver: this, slot: &DeclarativeTheme3D::handleBaseColorUpdate); | 
| 258 |     QList<QColor> list = Q3DTheme::baseColors(); | 
| 259 |     list.append(t: color->color()); | 
| 260 |     Q3DTheme::setBaseColors(list); | 
| 261 | } | 
| 262 |  | 
| 263 | QList<DeclarativeColor *> DeclarativeTheme3D::colorList() | 
| 264 | { | 
| 265 |     if (m_colors.isEmpty()) { | 
| 266 |         // Create dummy ThemeColors from theme's colors | 
| 267 |         m_dummyColors = true; | 
| 268 |         QList<QColor> list = Q3DTheme::baseColors(); | 
| 269 |         foreach (QColor item, list) { | 
| 270 |             DeclarativeColor *color = new DeclarativeColor(this); | 
| 271 |             color->setColor(item); | 
| 272 |             m_colors.append(t: color); | 
| 273 |             connect(sender: color, signal: &DeclarativeColor::colorChanged, | 
| 274 |                     receiver: this, slot: &DeclarativeTheme3D::handleBaseColorUpdate); | 
| 275 |         } | 
| 276 |     } | 
| 277 |     return m_colors; | 
| 278 | } | 
| 279 |  | 
| 280 | void DeclarativeTheme3D::clearColors() | 
| 281 | { | 
| 282 |     clearDummyColors(); | 
| 283 |     foreach (DeclarativeColor *item, m_colors) | 
| 284 |         disconnect(sender: item, signal: 0, receiver: this, member: 0); | 
| 285 |     m_colors.clear(); | 
| 286 |     Q3DTheme::setBaseColors(QList<QColor>()); | 
| 287 | } | 
| 288 |  | 
| 289 | void DeclarativeTheme3D::clearDummyColors() | 
| 290 | { | 
| 291 |     if (m_dummyColors) { | 
| 292 |         foreach (DeclarativeColor *item, m_colors) | 
| 293 |             delete item; | 
| 294 |         m_colors.clear(); | 
| 295 |         m_dummyColors = false; | 
| 296 |     } | 
| 297 | } | 
| 298 |  | 
| 299 | void DeclarativeTheme3D::addGradient(ColorGradient *gradient) | 
| 300 | { | 
| 301 |     if (!gradient) { | 
| 302 |         qWarning(msg: "Gradient is invalid, use ColorGradient" ); | 
| 303 |         return; | 
| 304 |     } | 
| 305 |     clearDummyGradients(); | 
| 306 |     m_gradients.append(t: gradient); | 
| 307 |     connect(sender: gradient, signal: &ColorGradient::updated, | 
| 308 |             receiver: this, slot: &DeclarativeTheme3D::handleBaseGradientUpdate); | 
| 309 |     QList<QLinearGradient> list = Q3DTheme::baseGradients(); | 
| 310 |     list.append(t: convertGradient(gradient)); | 
| 311 |     Q3DTheme::setBaseGradients(list); | 
| 312 | } | 
| 313 |  | 
| 314 | QList<ColorGradient *> DeclarativeTheme3D::gradientList() | 
| 315 | { | 
| 316 |     if (m_gradients.isEmpty()) { | 
| 317 |         // Create dummy ColorGradients from theme's gradients | 
| 318 |         m_dummyGradients = true; | 
| 319 |         QList<QLinearGradient> list = Q3DTheme::baseGradients(); | 
| 320 |         foreach (QLinearGradient item, list) { | 
| 321 |             ColorGradient *gradient = convertGradient(gradient: item); | 
| 322 |             m_gradients.append(t: gradient); | 
| 323 |             connect(sender: gradient, signal: &ColorGradient::updated, | 
| 324 |                     receiver: this, slot: &DeclarativeTheme3D::handleBaseGradientUpdate); | 
| 325 |         } | 
| 326 |     } | 
| 327 |  | 
| 328 |     return m_gradients; | 
| 329 | } | 
| 330 |  | 
| 331 | void DeclarativeTheme3D::clearGradients() | 
| 332 | { | 
| 333 |     clearDummyGradients(); | 
| 334 |     foreach (ColorGradient *item, m_gradients) | 
| 335 |         disconnect(sender: item, signal: 0, receiver: this, member: 0); | 
| 336 |     m_gradients.clear(); | 
| 337 |     Q3DTheme::setBaseGradients(QList<QLinearGradient>()); | 
| 338 | } | 
| 339 |  | 
| 340 | void DeclarativeTheme3D::clearDummyGradients() | 
| 341 | { | 
| 342 |     if (m_dummyGradients) { | 
| 343 |         foreach (ColorGradient *item, m_gradients) | 
| 344 |             delete item; | 
| 345 |         m_gradients.clear(); | 
| 346 |         m_dummyGradients = false; | 
| 347 |     } | 
| 348 | } | 
| 349 |  | 
| 350 | QQmlListProperty<DeclarativeColor> DeclarativeTheme3D::baseColors() | 
| 351 | { | 
| 352 |     return QQmlListProperty<DeclarativeColor>(this, this, | 
| 353 |                                               &DeclarativeTheme3D::appendBaseColorsFunc, | 
| 354 |                                               &DeclarativeTheme3D::countBaseColorsFunc, | 
| 355 |                                               &DeclarativeTheme3D::atBaseColorsFunc, | 
| 356 |                                               &DeclarativeTheme3D::clearBaseColorsFunc); | 
| 357 | } | 
| 358 |  | 
| 359 | void DeclarativeTheme3D::appendBaseColorsFunc(QQmlListProperty<DeclarativeColor> *list, | 
| 360 |                                               DeclarativeColor *color) | 
| 361 | { | 
| 362 |     reinterpret_cast<DeclarativeTheme3D *>(list->data)->addColor(color); | 
| 363 | } | 
| 364 |  | 
| 365 | int DeclarativeTheme3D::countBaseColorsFunc(QQmlListProperty<DeclarativeColor> *list) | 
| 366 | { | 
| 367 |     return reinterpret_cast<DeclarativeTheme3D *>(list->data)->colorList().size(); | 
| 368 | } | 
| 369 |  | 
| 370 | DeclarativeColor *DeclarativeTheme3D::atBaseColorsFunc(QQmlListProperty<DeclarativeColor> *list, | 
| 371 |                                                        int index) | 
| 372 | { | 
| 373 |     return reinterpret_cast<DeclarativeTheme3D *>(list->data)->colorList().at(i: index); | 
| 374 | } | 
| 375 |  | 
| 376 | void DeclarativeTheme3D::clearBaseColorsFunc(QQmlListProperty<DeclarativeColor> *list) | 
| 377 | { | 
| 378 |     reinterpret_cast<DeclarativeTheme3D *>(list->data)->clearColors(); | 
| 379 | } | 
| 380 |  | 
| 381 | QQmlListProperty<ColorGradient> DeclarativeTheme3D::baseGradients() | 
| 382 | { | 
| 383 |     return QQmlListProperty<ColorGradient>(this, this, | 
| 384 |                                            &DeclarativeTheme3D::appendBaseGradientsFunc, | 
| 385 |                                            &DeclarativeTheme3D::countBaseGradientsFunc, | 
| 386 |                                            &DeclarativeTheme3D::atBaseGradientsFunc, | 
| 387 |                                            &DeclarativeTheme3D::clearBaseGradientsFunc); | 
| 388 | } | 
| 389 |  | 
| 390 | void DeclarativeTheme3D::appendBaseGradientsFunc(QQmlListProperty<ColorGradient> *list, | 
| 391 |                                                  ColorGradient *gradient) | 
| 392 | { | 
| 393 |     reinterpret_cast<DeclarativeTheme3D *>(list->data)->addGradient(gradient); | 
| 394 | } | 
| 395 |  | 
| 396 | int DeclarativeTheme3D::countBaseGradientsFunc(QQmlListProperty<ColorGradient> *list) | 
| 397 | { | 
| 398 |     return reinterpret_cast<DeclarativeTheme3D *>(list->data)->gradientList().size(); | 
| 399 | } | 
| 400 |  | 
| 401 | ColorGradient *DeclarativeTheme3D::atBaseGradientsFunc(QQmlListProperty<ColorGradient> *list, | 
| 402 |                                                        int index) | 
| 403 | { | 
| 404 |     return reinterpret_cast<DeclarativeTheme3D *>(list->data)->gradientList().at(i: index); | 
| 405 | } | 
| 406 |  | 
| 407 | void DeclarativeTheme3D::clearBaseGradientsFunc(QQmlListProperty<ColorGradient> *list) | 
| 408 | { | 
| 409 |     reinterpret_cast<DeclarativeTheme3D *>(list->data)->clearGradients(); | 
| 410 | } | 
| 411 |  | 
| 412 | QT_END_NAMESPACE_DATAVISUALIZATION | 
| 413 |  |