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| 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. |
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| 17 | ** GNU General Public License Usage |
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| 19 | ** General Public License version 3 or (at your option) any later version |
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| 26 | ** $QT_END_LICENSE$ |
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| 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 |
Definitions
- DeclarativeTheme3D
- ~DeclarativeTheme3D
- themeChildren
- appendThemeChildren
- handleTypeChange
- handleBaseColorUpdate
- handleBaseGradientUpdate
- handleSingleHLGradientUpdate
- handleMultiHLGradientUpdate
- setSingleHighlightGradient
- singleHighlightGradient
- setMultiHighlightGradient
- multiHighlightGradient
- classBegin
- componentComplete
- setThemeGradient
- convertGradient
- convertGradient
- addColor
- colorList
- clearColors
- clearDummyColors
- addGradient
- gradientList
- clearGradients
- clearDummyGradients
- baseColors
- appendBaseColorsFunc
- countBaseColorsFunc
- atBaseColorsFunc
- clearBaseColorsFunc
- baseGradients
- appendBaseGradientsFunc
- countBaseGradientsFunc
- atBaseGradientsFunc
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