| File: | librecad/src/ui/view/qg_graphicview.cpp |
| Warning: | line 955, column 9 Value stored to 'angleDeltaX' during its initialization is never read |
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| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** This file is part of the LibreCAD project, a 2D CAD program |
| 4 | ** |
| 5 | ** Copyright (C) 2010-2011 R. van Twisk (librecad@rvt.dds.nl) |
| 6 | ** Copyright (C) 2001-2003 RibbonSoft. All rights reserved. |
| 7 | ** |
| 8 | ** |
| 9 | ** This file may be distributed and/or modified under the terms of the |
| 10 | ** GNU General Public License version 2 as published by the Free Software |
| 11 | ** Foundation and appearing in the file gpl-2.0.txt included in the |
| 12 | ** packaging of this file. |
| 13 | ** |
| 14 | ** This program is distributed in the hope that it will be useful, |
| 15 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | ** GNU General Public License for more details. |
| 18 | ** |
| 19 | ** You should have received a copy of the GNU General Public License |
| 20 | ** along with this program; if not, write to the Free Software |
| 21 | ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | ** |
| 23 | ** This copyright notice MUST APPEAR in all copies of the script! |
| 24 | ** |
| 25 | **********************************************************************/ |
| 26 | |
| 27 | #include "qg_graphicview.h" |
| 28 | |
| 29 | #include <QGridLayout> |
| 30 | #include <QMenu> |
| 31 | #include <QNativeGestureEvent> |
| 32 | #include <QPoint> |
| 33 | #include <QPointingDevice> |
| 34 | #include <QScopedValueRollback> |
| 35 | #include <QSignalBlocker> |
| 36 | #include <QTimer> |
| 37 | #include <cmath> |
| 38 | #include <cstdlib> |
| 39 | #include <iostream> |
| 40 | |
| 41 | #include "lc_action_modify_move_adjust.h" |
| 42 | #include "lc_action_select_single.h" |
| 43 | #include "lc_actioncontext.h" |
| 44 | #include "lc_eventhandler.h" |
| 45 | #include "lc_graphicviewport.h" |
| 46 | #include "lc_graphicviewrenderer.h" |
| 47 | #include "lc_overlayentitiescontainer.h" |
| 48 | #include "lc_quickinfowidget.h" |
| 49 | #include "lc_rect.h" |
| 50 | #include "lc_relative_point_input_widget.h" |
| 51 | #include "lc_relative_position_editing_widget.h" |
| 52 | #include "lc_ucs_mark.h" |
| 53 | #include "lc_undosection.h" |
| 54 | #include "lc_viewmath.h" |
| 55 | #include "qc_applicationwindow.h" |
| 56 | #include "qg_blockwidget.h" |
| 57 | #include "qg_scrollbar.h" |
| 58 | #include "rs.h" |
| 59 | #include "rs_actiondefault.h" |
| 60 | #include "rs_blocklist.h" |
| 61 | #include "rs_debug.h" |
| 62 | #include "rs_dialogfactoryinterface.h" |
| 63 | #include "rs_entity.h" |
| 64 | #include "rs_entitycontainer.h" |
| 65 | #include "rs_graphic.h" |
| 66 | #include "rs_insert.h" |
| 67 | #include "rs_selection.h" |
| 68 | #include "rs_settings.h" |
| 69 | #include "rs_units.h" |
| 70 | |
| 71 | #ifdef EMU_C99 |
| 72 | #include "emu_c99.h" |
| 73 | #endif |
| 74 | |
| 75 | namespace { |
| 76 | // Issue #1765: set default cursor size: 32x32 |
| 77 | constexpr int g_cursorSize = 32; // fixme - sand - move to common public place |
| 78 | // Issue #1787: cursor hot spot at center by using hotX=hotY=-1 |
| 79 | constexpr int HOTSPOT_XY = -1; |
| 80 | |
| 81 | // zooming factor is wheel angle delta divided by this factor |
| 82 | constexpr double ZOOM_WHEEL_DIVISOR = 200.; // fixme - to settings |
| 83 | |
| 84 | // Helper function to test validity of a rect |
| 85 | bool withinValidRange(const double x) { |
| 86 | return x >= RS_MINDOUBLE-1.0E+10 && x <= RS_MAXDOUBLE1.0E+10; |
| 87 | } |
| 88 | |
| 89 | bool withinValidRange(const RS_Vector& vp) { |
| 90 | return vp.valid && withinValidRange(vp.x) && withinValidRange(vp.y); |
| 91 | } |
| 92 | |
| 93 | // finite and ordered; a point-like drawing (min == max) is valid content |
| 94 | bool isRectValid(const RS_Vector& vpMin, const RS_Vector& vpMax) { |
| 95 | return withinValidRange(vpMin) && withinValidRange(vpMax) && vpMin.x <= vpMax.x && vpMin.y <= vpMax.y; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * @brief snapEntity find the closest entity |
| 101 | * @param view |
| 102 | * @param event |
| 103 | * @param view - the graphic view |
| 104 | * @param event - the mouse event |
| 105 | * @return RS_Entity* - the closest entity within the range of g_cursorSize |
| 106 | * returns nullptr, if no entity is found in range |
| 107 | */ |
| 108 | RS_Entity* snapEntity(const QG_GraphicView& view, const QMouseEvent* event) { |
| 109 | if (event == nullptr) { |
| 110 | return nullptr; |
| 111 | } |
| 112 | const auto doc = view.getDocument(); |
| 113 | if (doc == nullptr) { |
| 114 | // how it might be??? |
| 115 | return nullptr; |
| 116 | } |
| 117 | const QPointF mapped = event->pos(); |
| 118 | double distance = RS_MAXDOUBLE1.0E+10; |
| 119 | const auto viewPort = view.getViewPort(); |
| 120 | |
| 121 | const auto pos = viewPort->toWorldFromUi(mapped.x(), mapped.y()); |
| 122 | const auto entity = doc->getNearestEntity(pos, &distance, RS2::ResolveNone); |
| 123 | |
| 124 | return (viewPort->toGuiDX(distance) <= g_cursorSize) ? entity : nullptr; |
| 125 | } |
| 126 | |
| 127 | // fixme - sand - remove, not needed? |
| 128 | // Find an ancestor of the RS_Insert type. |
| 129 | // Return nullptr, if none is found |
| 130 | RS_Insert* getAncestorInsert(RS_Entity* entity) { |
| 131 | while (entity != nullptr) { |
| 132 | if (entity->rtti() == RS2::EntityInsert) { |
| 133 | RS_Insert* parent = getAncestorInsert(entity->getParent()); |
| 134 | return parent != nullptr ? parent : static_cast<RS_Insert*>(entity); |
| 135 | } |
| 136 | entity = entity->getParent(); |
| 137 | } |
| 138 | return nullptr; |
| 139 | } |
| 140 | |
| 141 | // fixme - sand - remove, not needed? |
| 142 | // whether the current insert is part of Text |
| 143 | RS_Entity* getParentText(const RS_Insert* insert) { |
| 144 | if (insert == nullptr || insert->getBlock() != nullptr || insert->getParent() == nullptr) { |
| 145 | return nullptr; |
| 146 | } |
| 147 | switch (insert->getParent()->rtti()) { |
| 148 | case RS2::EntityText: |
| 149 | case RS2::EntityMText: |
| 150 | return insert->getParent(); |
| 151 | default: |
| 152 | return nullptr; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | // Show the entity property dialog on the closest entity in range |
| 157 | void QG_GraphicView::showEntityPropertiesDialog(RS_Entity* entity) const { |
| 158 | if (entity == nullptr) { |
| 159 | return; |
| 160 | } |
| 161 | |
| 162 | // snap to the top selected parent |
| 163 | while (entity != nullptr && entity->getParent() != nullptr && entity->getParent()->isSelected()) { |
| 164 | entity = entity->getParent(); |
| 165 | } |
| 166 | |
| 167 | launchEditProperty(entity); |
| 168 | } |
| 169 | |
| 170 | void QG_GraphicView::launchEditProperty(RS_Entity* entity) const { |
| 171 | const auto* doc = getDocument(); |
| 172 | if (entity == nullptr || doc == nullptr) { |
| 173 | return; |
| 174 | } |
| 175 | editAction(*entity); |
| 176 | |
| 177 | // delete any temporary highlighting duplicates of the original |
| 178 | auto* defaultAction = dynamic_cast<RS_ActionDefault*>(getEventHandler()->getDefaultAction()); |
| 179 | if (defaultAction != nullptr) { |
| 180 | defaultAction->clearHighLighting(); |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | // Start the edit action: |
| 185 | // Edit Block for an insert |
| 186 | // Edit entity, otherwise |
| 187 | void QG_GraphicView::editAction(RS_Entity& entity) const { |
| 188 | const auto doc = getDocument(); |
| 189 | if (doc == nullptr) { |
| 190 | // fixme - DOC - review what for this check is used |
| 191 | return; |
| 192 | } |
| 193 | switch (entity.rtti()) { |
| 194 | case RS2::EntityInsert: { |
| 195 | // fixme - sand - rework block editing. Currently insert may not be changed after insertion! Window is needed!! |
| 196 | const auto& appWindow = QC_ApplicationWindow::getAppWindow(); // fixme - sand - remove static, it just one of parents? |
| 197 | RS_BlockList* blockList = appWindow->getBlockWidget()->getBlockList(); |
| 198 | RS_Block* active = (blockList != nullptr) ? blockList->getActive() : nullptr; |
| 199 | const auto* insert = static_cast<RS_Insert*>(&entity); |
| 200 | RS_Block* current = insert->getBlockForInsert(); |
| 201 | if (current == active) { |
| 202 | active = nullptr; |
| 203 | } |
| 204 | else if (blockList != nullptr) { |
| 205 | blockList->activate(current); |
| 206 | } |
| 207 | /*// fixme - sand - simplify |
| 208 | std::shared_ptr<RS_Block*> scoped{ |
| 209 | &active, |
| 210 | [blockList](RS_Block** pointer) { |
| 211 | if (pointer != nullptr && *pointer != nullptr && blockList != nullptr) { |
| 212 | blockList->activate(*pointer); |
| 213 | } |
| 214 | } |
| 215 | };*/ |
| 216 | switchToAction(RS2::ActionBlocksEdit); |
| 217 | if (active != nullptr && blockList != nullptr) { |
| 218 | blockList->activate(active); |
| 219 | } |
| 220 | break; |
| 221 | } |
| 222 | default: { |
| 223 | m_actionContext->saveContextMenuActionContext(&entity, RS_Vector(false), entity.isSelected()); |
| 224 | switchToAction(RS2::ActionModifyEntity); |
| 225 | break; |
| 226 | } |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | // Support auto-panning when the cursor is close to the view border |
| 231 | struct QG_GraphicView::AutoPanData { |
| 232 | void start(const double interval, QG_GraphicView& view) { |
| 233 | delayCounter = 0; |
| 234 | panTimer = std::make_unique<QTimer>(&view); |
| 235 | panTimer->start(interval); |
| 236 | connect(panTimer.get(), &QTimer::timeout, &view, &QG_GraphicView::autoPanStep); |
| 237 | } |
| 238 | |
| 239 | std::unique_ptr<QTimer> panTimer; |
| 240 | |
| 241 | QPoint panOffset; |
| 242 | |
| 243 | unsigned delayCounter = 0U; |
| 244 | // skip the first events, to avoid unintensional panning |
| 245 | const unsigned delayCounterMax = 10U; |
| 246 | const double panOffsetMagnitude = 20.0; |
| 247 | |
| 248 | const double panTimerIntervalMinimum = 20.0; |
| 249 | const double panTimerIntervalMaximum = 100.0; |
| 250 | |
| 251 | // the sensitive border of the view |
| 252 | const RS_Vector probedAreaOffset = {50 /* pixels */, 50 /* pixels */}; |
| 253 | }; |
| 254 | |
| 255 | struct QG_GraphicView::UCSHighlightData { |
| 256 | std::unique_ptr<QTimer> timer; |
| 257 | |
| 258 | double timerInterval = 200.0; |
| 259 | int blinkNumber = 0; |
| 260 | int maxBlinkNumber = 15; |
| 261 | bool inVisiblePhase = false; |
| 262 | RS_Vector origin; |
| 263 | double angle = 0.0; |
| 264 | bool forWCS = false; |
| 265 | |
| 266 | RS_Vector savedViewOffset = RS_Vector(0, 0, 0); |
| 267 | double savedViewFactor = 0.0; |
| 268 | |
| 269 | void start(const double interval, QG_GraphicView& view) { |
| 270 | if (timer == nullptr) { |
| 271 | timer = std::make_unique<QTimer>(&view); |
| 272 | connect(timer.get(), &QTimer::timeout, &view, &QG_GraphicView::ucsHighlightStep); |
| 273 | } |
| 274 | timer->start(interval); |
| 275 | } |
| 276 | |
| 277 | bool mayTick() { |
| 278 | blinkNumber++; |
| 279 | inVisiblePhase = !inVisiblePhase; |
| 280 | return blinkNumber <= maxBlinkNumber; |
| 281 | } |
| 282 | |
| 283 | void stop() { |
| 284 | blinkNumber = 0; |
| 285 | inVisiblePhase = false; |
| 286 | timer->stop(); |
| 287 | } |
| 288 | }; |
| 289 | |
| 290 | void createViewRenderer(); |
| 291 | |
| 292 | void QG_GraphicView::initRelativePointInputWidget() { |
| 293 | m_relativePointWidgetHolder = new LC_RelativePointInputWidget(this, m_actionContext); |
| 294 | m_relativePointWidgetHolder->setVisible(false); |
| 295 | } |
| 296 | |
| 297 | /** |
| 298 | * Constructor. |
| 299 | */ |
| 300 | // fixme - sand - files - init by action context??? |
| 301 | QG_GraphicView::QG_GraphicView(QWidget* parent, RS_Document* doc, LC_ActionContext* actionContext) |
| 302 | : RS_GraphicView(parent, {}), m_device("Mouse"), |
| 303 | m_cursorCad(new QCursor(QPixmap(":cursors/cur_cad_bmp.png"), HOTSPOT_XY, HOTSPOT_XY)), |
| 304 | m_cursorDel(new QCursor(QPixmap(":cursors/cur_del_bmp.png"), HOTSPOT_XY, HOTSPOT_XY)), |
| 305 | m_cursorSelect(new QCursor(QPixmap(":cursors/cur_select_bmp.png"), HOTSPOT_XY, HOTSPOT_XY)), |
| 306 | m_cursorMagnifier(new QCursor(QPixmap(":cursors/cur_glass_bmp.png"), HOTSPOT_XY, HOTSPOT_XY)), |
| 307 | m_cursorHand(new QCursor(QPixmap(":cursors/cur_hand_bmp.png"), HOTSPOT_XY, HOTSPOT_XY)), m_isSmoothScrolling(false), |
| 308 | m_ucsMarkOptions{std::make_unique<LC_UCSMarkOptions>()}, m_panData{std::make_unique<AutoPanData>()}, |
| 309 | m_ucsHighlightData{std::make_unique<UCSHighlightData>()} { |
| 310 | RS_DEBUGRS_Debug::instance()->print("QG_GraphicView::QG_GraphicView().."); |
| 311 | |
| 312 | if (doc != nullptr) { |
| 313 | setDocument(doc); |
| 314 | doc->setGraphicView(this); |
| 315 | actionContext->setDocumentAndView(doc, this); |
| 316 | setDefaultAction(new RS_ActionDefault(actionContext)); |
| 317 | } |
| 318 | |
| 319 | m_actionContext = actionContext; |
| 320 | |
| 321 | getViewPort()->justSetOffsetAndFactor(0, 0, 4.0); |
| 322 | getViewPort()->setBorders(10, 10, 10, 10); |
| 323 | |
| 324 | setMouseTracking(true); |
| 325 | setFocusPolicy(Qt::NoFocus); |
| 326 | |
| 327 | // SourceForge issue 45 (Left-mouse drag shrinks window) |
| 328 | setAttribute(Qt::WA_NoMousePropagation); |
| 329 | |
| 330 | // Issue #2264: prevents macOS from applying text-related features like the Caps Lock indicator to the non-text canvas |
| 331 | #ifdef Q_OS_MAC |
| 332 | setAttribute(Qt::WA_InputMethodEnabled, false); setInputMethodHints(Qt::ImhNone); |
| 333 | #endif |
| 334 | } |
| 335 | |
| 336 | void QG_GraphicView::initView() { |
| 337 | createViewRenderer(); |
| 338 | initRelativePointInputWidget(); |
| 339 | } |
| 340 | |
| 341 | void QG_GraphicView::createViewRenderer() { |
| 342 | if (getViewPort() != nullptr) { |
| 343 | getViewPort()->setSize(width(), height()); // fixme - sand - merge - CHECK THIS |
| 344 | setRenderer(std::make_unique<LC_GraphicViewRenderer>(getViewPort(), this)); |
| 345 | } |
| 346 | } |
| 347 | |
| 348 | void QG_GraphicView::layerToggled(RS_Layer*) { |
| 349 | redraw(RS2::RedrawDrawing); |
| 350 | } |
| 351 | |
| 352 | /** |
| 353 | * Destructor |
| 354 | */ |
| 355 | QG_GraphicView::~QG_GraphicView() { |
| 356 | try { |
| 357 | // LC_ERR << "QG_GraphicView destructor"; |
| 358 | cleanUp(); |
| 359 | // LC_ERR << "QG_GraphicView destructor 1"; |
| 360 | } |
| 361 | catch (...) { |
| 362 | LC_ERRRS_Debug::Log(RS_Debug::D_ERROR) << __func__ << "(): received exception"; |
| 363 | } |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * @return width of widget. |
| 368 | */ |
| 369 | int QG_GraphicView::getWidth() const { |
| 370 | if (m_scrollbars) { |
| 371 | return width() - m_vScrollBar->sizeHint().width(); |
| 372 | } |
| 373 | return width(); |
| 374 | } |
| 375 | |
| 376 | /** |
| 377 | * @return height of widget. |
| 378 | */ |
| 379 | int QG_GraphicView::getHeight() const { |
| 380 | if (m_scrollbars) { |
| 381 | return height() - m_hScrollBar->sizeHint().height(); |
| 382 | } |
| 383 | return height(); |
| 384 | } |
| 385 | |
| 386 | /** |
| 387 | * Sets the mouse cursor to the given type. |
| 388 | */ |
| 389 | void QG_GraphicView::setMouseCursor(const RS2::CursorType cursorType) { |
| 390 | switch (cursorType) { |
| 391 | default: case RS2::ArrowCursor: |
| 392 | setCursor(Qt::ArrowCursor); |
| 393 | break; |
| 394 | case RS2::UpArrowCursor: |
| 395 | setCursor(Qt::UpArrowCursor); |
| 396 | break; |
| 397 | case RS2::CrossCursor: |
| 398 | setCursor(Qt::CrossCursor); |
| 399 | break; |
| 400 | case RS2::WaitCursor: |
| 401 | setCursor(Qt::WaitCursor); |
| 402 | break; |
| 403 | case RS2::IbeamCursor: |
| 404 | setCursor(Qt::IBeamCursor); |
| 405 | break; |
| 406 | case RS2::SizeVerCursor: |
| 407 | setCursor(Qt::SizeVerCursor); |
| 408 | break; |
| 409 | case RS2::SizeHorCursor: |
| 410 | setCursor(Qt::SizeHorCursor); |
| 411 | break; |
| 412 | case RS2::SizeBDiagCursor: |
| 413 | setCursor(Qt::SizeBDiagCursor); |
| 414 | break; |
| 415 | case RS2::SizeFDiagCursor: |
| 416 | setCursor(Qt::SizeFDiagCursor); |
| 417 | break; |
| 418 | case RS2::SizeAllCursor: |
| 419 | setCursor(Qt::SizeAllCursor); |
| 420 | break; |
| 421 | case RS2::BlankCursor: |
| 422 | setCursor(Qt::BlankCursor); |
| 423 | break; |
| 424 | case RS2::SplitVCursor: |
| 425 | setCursor(Qt::SplitVCursor); |
| 426 | break; |
| 427 | case RS2::SplitHCursor: |
| 428 | setCursor(Qt::SplitHCursor); |
| 429 | break; |
| 430 | case RS2::PointingHandCursor: |
| 431 | setCursor(Qt::PointingHandCursor); |
| 432 | break; |
| 433 | case RS2::ForbiddenCursor: |
| 434 | setCursor(Qt::ForbiddenCursor); |
| 435 | break; |
| 436 | case RS2::WhatsThisCursor: |
| 437 | setCursor(Qt::WhatsThisCursor); |
| 438 | break; |
| 439 | case RS2::OpenHandCursor: |
| 440 | setCursor(Qt::OpenHandCursor); |
| 441 | break; |
| 442 | case RS2::ClosedHandCursor: |
| 443 | setCursor(Qt::ClosedHandCursor); |
| 444 | break; |
| 445 | case RS2::CadCursor: |
| 446 | m_cursorHiding ? setCursor(Qt::BlankCursor) : setCursor(*m_cursorCad); |
| 447 | break; |
| 448 | case RS2::DelCursor: |
| 449 | setCursor(*m_cursorDel); |
| 450 | break; |
| 451 | case RS2::SelectCursor: |
| 452 | m_selectCursorHiding ? setCursor(Qt::BlankCursor) : setCursor(*m_cursorSelect); |
| 453 | break; |
| 454 | case RS2::MagnifierCursor: |
| 455 | setCursor(*m_cursorMagnifier); |
| 456 | break; |
| 457 | case RS2::MovingHandCursor: |
| 458 | setCursor(*m_cursorHand); |
| 459 | break; |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | /** |
| 464 | * Sets the text for the grid status widget in the left bottom corner. |
| 465 | */ |
| 466 | void QG_GraphicView::updateGridStatusWidget(QString text) { |
| 467 | emit gridStatusChanged(std::move(text)); |
| 468 | } |
| 469 | |
| 470 | void QG_GraphicView::dragEnterEvent(QDragEnterEvent* event) { |
| 471 | RS_GraphicView::dragEnterEvent(event); |
| 472 | |
| 473 | /* |
| 474 | * fixme - sand - remove later, experiments with d&d |
| 475 | */ |
| 476 | /* if (event->mimeData()->formats().contains("application/x-qabstractitemmodeldatalist")) { |
| 477 | // QStandardItemModel model; |
| 478 | // model.dropMimeData(event->mimeData(), Qt::CopyAction, 0,0, QModelIndex()); |
| 479 | // auto item = model.item(0.0); |
| 480 | // LC_ERR << item->text(); |
| 481 | |
| 482 | QDrag::cancel(); |
| 483 | QCoreApplication::processEvents(QEventLoop::AllEvents, 100); |
| 484 | QC_ApplicationWindow::getAppWindow()->getLibraryWidget()->insert(); |
| 485 | }*/ |
| 486 | } |
| 487 | |
| 488 | /** |
| 489 | * Redraws the widget. |
| 490 | */ |
| 491 | void QG_GraphicView::redraw(const RS2::RedrawMethod method, bool immediately) { |
| 492 | if ((method & RS2::RedrawDrawing) != 0) { |
| 493 | emit drawingRedrawRequested(); |
| 494 | } |
| 495 | getRenderer()->invalidate(method); |
| 496 | update(); // Paint when ready to paint |
| 497 | if (immediately) { |
| 498 | repaint(); |
| 499 | } |
| 500 | } |
| 501 | |
| 502 | void QG_GraphicView::resizeEvent(QResizeEvent* e) { |
| 503 | RS_GraphicView::resizeEvent(e); |
| 504 | RS_DEBUGRS_Debug::instance()->print("QG_GraphicView::resizeEvent begin"); |
| 505 | adjustOffsetControls(); |
| 506 | adjustZoomControls(); |
| 507 | // updateGrid(); |
| 508 | // Small hack, delete the snapper during resizes |
| 509 | getViewPort()->clearOverlayDrawablesContainer(RS2::Snapper); |
| 510 | redraw(); |
| 511 | RS_DEBUGRS_Debug::instance()->print("QG_GraphicView::resizeEvent end"); |
| 512 | } |
| 513 | |
| 514 | void QG_GraphicView::switchToAction(const RS2::ActionType actionType, void* data) const { |
| 515 | m_actionContext->setCurrentAction(actionType, data); |
| 516 | } |
| 517 | |
| 518 | RS_Entity* QG_GraphicView::catchContextEntity(const QMouseEvent* event, RS_Vector& clickPos) const { |
| 519 | const auto doc = getDocument(); |
| 520 | if (doc == nullptr || event == nullptr) { |
| 521 | return nullptr; |
| 522 | } |
| 523 | |
| 524 | const QPointF mapped = event->pos(); |
| 525 | double distance = RS_MAXDOUBLE1.0E+10; |
| 526 | const LC_GraphicViewport* viewPort = getViewPort(); |
| 527 | |
| 528 | clickPos = viewPort->toWorldFromUi(mapped.x(), mapped.y()); |
| 529 | RS_Entity* entity = doc->getNearestEntity(clickPos, &distance, RS2::ResolveNone); |
| 530 | |
| 531 | if (viewPort->toGuiDX(distance) <= g_cursorSize) { |
| 532 | return entity; |
| 533 | } |
| 534 | return nullptr; |
| 535 | } |
| 536 | |
| 537 | bool QG_GraphicView::invokeContextMenuForMouseEvent(QMouseEvent* e) { |
| 538 | bool result = false; |
| 539 | RS_Vector clickPos; |
| 540 | RS_Entity* entity = catchContextEntity(e, clickPos); |
| 541 | const auto contextMenu = QC_ApplicationWindow::getAppWindow()->createGraphicViewContentMenu(e, this, entity, clickPos); |
| 542 | if (contextMenu != nullptr) { |
| 543 | if (!contextMenu->isEmpty()) { |
| 544 | auto actions = contextMenu->actions(); |
| 545 | if (actions.size() == 1) { |
| 546 | const auto action = actions.front(); |
| 547 | action->trigger(); |
| 548 | result = true; |
| 549 | } |
| 550 | else { |
| 551 | contextMenu->exec(mapToGlobal(e->pos())); |
| 552 | result = true; |
| 553 | } |
| 554 | } |
| 555 | delete contextMenu; |
| 556 | } |
| 557 | return result; |
| 558 | } |
| 559 | |
| 560 | void QG_GraphicView::mousePressEvent(QMouseEvent* event) { |
| 561 | // LC_ERR << "MOUSE PRESS"; |
| 562 | // pan zoom with middle mouse button |
| 563 | if (event->button() == Qt::MiddleButton && event->modifiers() == Qt::NoModifier) { |
| 564 | switchToAction(RS2::ActionZoomPan); |
| 565 | getCurrentAction()->mousePressEvent(event); |
| 566 | } |
| 567 | else { |
| 568 | getEventHandler()->mousePressEvent(event); |
| 569 | } |
| 570 | } |
| 571 | |
| 572 | void QG_GraphicView::mouseDoubleClickEvent(QMouseEvent* e) { |
| 573 | if (e->button() == Qt::MiddleButton && e->modifiers() == Qt::NoModifier) { |
| 574 | // Zoom the view directly so an in-progress drawing or editing action remains active. |
| 575 | getViewPort()->zoomAuto(false, true); |
| 576 | e->accept(); |
| 577 | return; |
| 578 | } |
| 579 | |
| 580 | if (getEventHandler()->hasAction()) { |
| 581 | } |
| 582 | else { |
| 583 | const auto defaultAction = getEventHandler()->getDefaultAction(); |
| 584 | RS_Vector clickPos; |
| 585 | RS_Entity* entity = catchContextEntity(e, clickPos); |
| 586 | if (entity == nullptr) { |
| 587 | if (defaultAction == nullptr) { |
| 588 | invokeContextMenuForMouseEvent(e); |
| 589 | } |
| 590 | else if (defaultAction->getStatus() == RS_ActionInterface::InitialActionStatus) { |
| 591 | invokeContextMenuForMouseEvent(e); |
| 592 | } |
| 593 | } |
| 594 | else { |
| 595 | if (e->button() == Qt::LeftButton && e->modifiers() == Qt::NoModifier) { |
| 596 | if (defaultAction == nullptr) { |
| 597 | showEntityPropertiesDialog(entity); |
| 598 | } |
| 599 | else if (defaultAction->getStatus() == RS_ActionInterface::InitialActionStatus) { |
| 600 | showEntityPropertiesDialog(entity); |
| 601 | } |
| 602 | } |
| 603 | else { |
| 604 | invokeContextMenuForMouseEvent(e); |
| 605 | } |
| 606 | } |
| 607 | } |
| 608 | e->accept(); |
| 609 | } |
| 610 | |
| 611 | void QG_GraphicView::mouseReleaseEvent(QMouseEvent* event) { |
| 612 | RS_DEBUGRS_Debug::instance()->print("QG_GraphicView::mouseReleaseEvent"); |
| 613 | |
| 614 | event->accept(); |
| 615 | if (getEventHandler()->hasAction()) { |
| 616 | switch (event->button()) { |
| 617 | case Qt::RightButton: { |
| 618 | if (getEventHandler()->hasAction()) { |
| 619 | back(event->modifiers()); |
| 620 | } |
| 621 | break; |
| 622 | } |
| 623 | case Qt::XButton1: |
| 624 | processEnterKey(); |
| 625 | emit xbutton1_released(); |
| 626 | break; |
| 627 | default: |
| 628 | getEventHandler()->mouseReleaseEvent(event); |
| 629 | break; |
| 630 | } |
| 631 | } |
| 632 | else { |
| 633 | const auto defaultAction = getEventHandler()->getDefaultAction(); |
| 634 | if (defaultAction != nullptr) { |
| 635 | const int defaultActionStatus = defaultAction->getStatus(); |
| 636 | if (defaultActionStatus == RS_ActionInterface::InitialActionStatus) { |
| 637 | if (isMouseReleaseEventForDefaultAction(event)) { |
| 638 | defaultAction->mouseReleaseEvent(event); |
| 639 | } |
| 640 | else { |
| 641 | invokeContextMenuForMouseEvent(event); |
| 642 | } |
| 643 | } |
| 644 | else { |
| 645 | defaultAction->mouseReleaseEvent(event); |
| 646 | } |
| 647 | } |
| 648 | else { |
| 649 | invokeContextMenuForMouseEvent(event); |
| 650 | } |
| 651 | } |
| 652 | RS_DEBUGRS_Debug::instance()->print("QG_GraphicView::mouseReleaseEvent: OK"); |
| 653 | } |
| 654 | |
| 655 | bool QG_GraphicView::isMouseReleaseEventForDefaultAction(const QMouseEvent* event) { |
| 656 | // should correspond to LC_DlgMenuAssigner::validateShortcut() |
| 657 | if (event->button() == Qt::LeftButton) { |
| 658 | const auto modifiers = event->modifiers(); |
| 659 | if (modifiers == Qt::NoModifier) { |
| 660 | // select |
| 661 | return true; |
| 662 | } |
| 663 | const bool control = modifiers & Qt::ControlModifier; |
| 664 | const bool alt = modifiers & Qt::AltModifier; |
| 665 | const bool shift = modifiers & Qt::ShiftModifier; |
| 666 | if (control && !alt && !shift) { |
| 667 | // pan |
| 668 | return true; |
| 669 | } |
| 670 | if (shift && !alt && !control) { |
| 671 | // select contour |
| 672 | return true; |
| 673 | } |
| 674 | } |
| 675 | return false; |
| 676 | } |
| 677 | |
| 678 | void QG_GraphicView::mouseMoveEvent(QMouseEvent* event) { |
| 679 | if (isClosing()) { |
| 680 | event->accept(); |
| 681 | return; |
| 682 | } |
| 683 | // LC_ERR << "OWN MOUSE MOVE"; |
| 684 | if (isAutoPan(event)) { |
| 685 | startAutoPanTimer(event); |
| 686 | event->accept(); |
| 687 | return; |
| 688 | } |
| 689 | m_panData->panTimer.reset(); |
| 690 | // handle auto-panning |
| 691 | event->accept(); |
| 692 | getEventHandler()->mouseMoveEvent(event); |
| 693 | } |
| 694 | |
| 695 | bool QG_GraphicView::proceedEvent(QEvent* event) { |
| 696 | // skip events without a default action |
| 697 | // Hatch preview in qg_dlghatch doesn't have its default action |
| 698 | if (dynamic_cast<QInputEvent*>(event) == nullptr || getDefaultAction() != nullptr) { |
| 699 | return QWidget::event(event); |
| 700 | } // LC_ERR<< "Event Skipped"; |
| 701 | return true; |
| 702 | } |
| 703 | |
| 704 | bool QG_GraphicView::event(QEvent* event) { |
| 705 | if (event->type() == QEvent::NativeGesture) { |
| 706 | const auto* nge = static_cast<QNativeGestureEvent*>(event); |
| 707 | |
| 708 | if (nge->gestureType() == Qt::ZoomNativeGesture) { |
| 709 | const double v = nge->value(); |
| 710 | const RS2::ZoomDirection direction = std::signbit(v) ? RS2::Out : RS2::In; |
| 711 | const double factor = 1. + std::abs(v); |
| 712 | |
| 713 | // It seems the NativeGestureEvent::pos() incorrectly reports global coordinates |
| 714 | const QPointF g = mapFromGlobal(nge->globalPosition().toPoint()); |
| 715 | const RS_Vector mouse = getViewPort()->toWorldFromUi(g.x(), g.y()); |
| 716 | doZoom(direction, mouse, factor); |
| 717 | } |
| 718 | return true; |
| 719 | } |
| 720 | if (event->type() == QEvent::LayoutDirectionChange) { |
| 721 | keepScrollbarsOnDrawingSide(); |
| 722 | } |
| 723 | return proceedEvent(event); |
| 724 | } |
| 725 | |
| 726 | /** |
| 727 | * The drawing is painted from x = 0 to getWidth(), so the vertical scrollbar stays on the |
| 728 | * right in every locale: QGridLayout mirrors columns in a right-to-left UI unless its origin |
| 729 | * corner is mirrored too. |
| 730 | */ |
| 731 | void QG_GraphicView::keepScrollbarsOnDrawingSide() const { |
| 732 | if (m_layout != nullptr) { |
| 733 | m_layout->setOriginCorner(isRightToLeft() ? Qt::TopRightCorner : Qt::TopLeftCorner); |
| 734 | } |
| 735 | } |
| 736 | |
| 737 | void QG_GraphicView::doZoom(const RS2::ZoomDirection direction, const RS_Vector& center, const double zoomFactor) const { |
| 738 | if (direction == RS2::In) { |
| 739 | getViewPort()->zoomIn(zoomFactor, center); |
| 740 | } |
| 741 | else { |
| 742 | getViewPort()->zoomOut(zoomFactor, center); |
| 743 | } |
| 744 | } |
| 745 | |
| 746 | /** |
| 747 | * support for the wacom graphic tablet. |
| 748 | */ |
| 749 | void QG_GraphicView::tabletEvent(QTabletEvent* e) { |
| 750 | if (testAttribute(Qt::WA_UnderMouse)) { |
| 751 | #if QT_VERSION((6<<16)|(9<<8)|(0)) >= QT_VERSION_CHECK(6, 0, 0)((6<<16)|(0<<8)|(0)) |
| 752 | switch (e->pointerType()) { |
| 753 | case QPointingDevice::PointerType::Eraser: |
| 754 | if (e->type() == QEvent::TabletRelease) { |
| 755 | if (getDocument() != nullptr) { |
| 756 | auto a = std::make_shared<LC_ActionSelectSingle>(m_actionContext); |
| 757 | setCurrentAction(a); |
| 758 | QMouseEvent ev(QEvent::MouseButtonRelease, e->position(), e->globalPosition(), Qt::LeftButton, Qt::LeftButton, |
| 759 | Qt::NoModifier); //RLZ |
| 760 | mouseReleaseEvent(&ev); |
| 761 | a->finish(); |
| 762 | |
| 763 | if (getDocument()->hasSelection()) { |
| 764 | switchToAction(RS2::ActionModifyDelete); |
| 765 | } |
| 766 | } |
| 767 | } |
| 768 | break; |
| 769 | |
| 770 | case QPointingDevice::PointerType::Generic: |
| 771 | case QPointingDevice::PointerType::Pen: |
| 772 | case QPointingDevice::PointerType::Cursor: |
| 773 | if (e->type() == QEvent::TabletPress) { |
| 774 | QMouseEvent ev(QEvent::MouseButtonPress, e->position(), e->globalPosition(), Qt::LeftButton, Qt::LeftButton, |
| 775 | Qt::NoModifier); //RLZ |
| 776 | mousePressEvent(&ev); |
| 777 | } |
| 778 | else if (e->type() == QEvent::TabletRelease) { |
| 779 | QMouseEvent ev(QEvent::MouseButtonRelease, e->position(), e->globalPosition(), Qt::LeftButton, Qt::LeftButton, |
| 780 | Qt::NoModifier); //RLZ |
| 781 | mouseReleaseEvent(&ev); |
| 782 | } |
| 783 | else if (e->type() == QEvent::TabletMove) { |
| 784 | QMouseEvent ev(QEvent::MouseMove, e->position(), e->globalPosition(), Qt::NoButton, {}, Qt::NoModifier); //RLZ |
| 785 | mouseMoveEvent(&ev); |
| 786 | } |
| 787 | break; |
| 788 | default: |
| 789 | break; |
| 790 | } |
| 791 | #else |
| 792 | #if QT_VERSION((6<<16)|(9<<8)|(0)) >= QT_VERSION_CHECK(5, 15, 0)((5<<16)|(15<<8)|(0)) |
| 793 | switch (e->deviceType()) { |
| 794 | |
| 795 | #else |
| 796 | switch (e->device()) { |
| 797 | |
| 798 | #endif |
| 799 | case QTabletEvent::Eraser: |
| 800 | if (e->type() == QEvent::TabletRelease) { |
| 801 | if (getDocument() != nullptr) { |
| 802 | RS_ActionSelectSingle* a = new RS_ActionSelectSingle(*getDocument(), *this); |
| 803 | setCurrentAction(a); |
| 804 | QMouseEvent ev(QEvent::MouseButtonRelease, e->position(), Qt::LeftButton, Qt::LeftButton, Qt::NoModifier); //RLZ |
| 805 | mouseReleaseEvent(&ev); |
| 806 | a->finish(); |
| 807 | |
| 808 | if (getDocument()->hasSelection()) { |
| 809 | setCurrentAction(new RS_ActionModifyDelete(*getDocument(), *this)); |
| 810 | } |
| 811 | } |
| 812 | } break; case QTabletEvent::Stylus: case QTabletEvent::Puck: |
| 813 | if (e->type() == QEvent::TabletPress) { |
| 814 | QMouseEvent ev(QEvent::MouseButtonPress, e->position(), Qt::LeftButton, Qt::LeftButton, Qt::NoModifier); //RLZ |
| 815 | mousePressEvent(&ev); |
| 816 | } |
| 817 | else if (e->type() == QEvent::TabletRelease) { |
| 818 | QMouseEvent ev(QEvent::MouseButtonRelease, e->position(), Qt::LeftButton, Qt::LeftButton, Qt::NoModifier); //RLZ |
| 819 | mouseReleaseEvent(&ev); |
| 820 | } |
| 821 | else if (e->type() == QEvent::TabletMove) { |
| 822 | QMouseEvent ev(QEvent::MouseMove, e->position(), Qt::NoButton, {}, Qt::NoModifier); //RLZ |
| 823 | mouseMoveEvent(&ev); |
| 824 | } break; default: |
| 825 | break; |
| 826 | } |
| 827 | #endif |
| 828 | } |
| 829 | |
| 830 | // a 'mouse' click: |
| 831 | /*if (e->pressure()>10 && lastPressure<10) { |
| 832 | QMouseEvent e(QEvent::MouseButtonPress, e->pos(), |
| 833 | Qt::LeftButton, Qt::LeftButton); |
| 834 | mousePressEvent(&e); |
| 835 | } |
| 836 | else if (e->pressure()<10 && lastPressure>10) { |
| 837 | QMouseEvent e(QEvent::MouseButtonRelease, e->pos(), |
| 838 | Qt::LeftButton, Qt::LeftButton); |
| 839 | mouseReleaseEvent(&e); |
| 840 | } else if (lastPos!=e->pos()) { |
| 841 | QMouseEvent e(QEvent::MouseMove, e->pos(), |
| 842 | Qt::NoButton, 0); |
| 843 | mouseMoveEvent(&e); |
| 844 | } |
| 845 | |
| 846 | lastPressure = e->pressure(); |
| 847 | lastPos = e->pos(); |
| 848 | */ |
| 849 | } |
| 850 | |
| 851 | void QG_GraphicView::leaveEvent(QEvent* e) { |
| 852 | // stop auto-panning |
| 853 | m_panData->panTimer.reset(); |
| 854 | getEventHandler()->mouseLeaveEvent(); |
| 855 | QWidget::leaveEvent(e); |
| 856 | } |
| 857 | |
| 858 | #if QT_VERSION((6<<16)|(9<<8)|(0)) >= QT_VERSION_CHECK(6, 0, 0)((6<<16)|(0<<8)|(0)) |
| 859 | void QG_GraphicView::enterEvent(QEnterEvent* e) { |
| 860 | #else |
| 861 | void QG_GraphicView::enterEvent(QEvent* e) { |
| 862 | #endif |
| 863 | getEventHandler()->mouseEnterEvent(); |
| 864 | QWidget::enterEvent(e); |
| 865 | } |
| 866 | |
| 867 | void QG_GraphicView::focusOutEvent(QFocusEvent* e) { |
| 868 | QWidget::focusOutEvent(e); |
| 869 | } |
| 870 | |
| 871 | void QG_GraphicView::focusInEvent(QFocusEvent* e) { |
| 872 | getEventHandler()->mouseEnterEvent(); |
| 873 | QWidget::focusInEvent(e); |
| 874 | } |
| 875 | |
| 876 | /** |
| 877 | * mouse wheel event. zooms in/out or scrolls when |
| 878 | * shift or ctrl is pressed. |
| 879 | */ |
| 880 | void QG_GraphicView::wheelEvent(QWheelEvent* e) { |
| 881 | // LC_ERR << "OWN WHEEL"; |
| 882 | //RS_DEBUG->print("wheel: %d", e->delta()); |
| 883 | |
| 884 | //printf("state: %d\n", e->state()); |
| 885 | //printf("ctrl: %d\n", Qt::ControlButton); |
| 886 | |
| 887 | if (getDocument() == nullptr) { |
| 888 | return; |
| 889 | } |
| 890 | |
| 891 | #if QT_VERSION((6<<16)|(9<<8)|(0)) >= QT_VERSION_CHECK(5, 15, 0)((5<<16)|(15<<8)|(0)) |
| 892 | // RS_Vector mouse = toGraph(e->position()); |
| 893 | const QPointF& uiEventPosition = e->position(); |
| 894 | const RS_Vector mouse = getViewPort()->toUCSFromGui(uiEventPosition.x(), uiEventPosition.y()); |
| 895 | #else |
| 896 | RS_Vector mouse = toGraph(e->position()); |
| 897 | #endif |
| 898 | |
| 899 | if (m_device == "Trackpad") { |
| 900 | QPoint numPixels = e->pixelDelta(); |
| 901 | |
| 902 | // high-resolution scrolling triggers Pan instead of Zoom logic |
| 903 | m_isSmoothScrolling |= !numPixels.isNull(); |
| 904 | |
| 905 | if (m_isSmoothScrolling) { |
| 906 | if (e->phase() == Qt::ScrollEnd) { |
| 907 | m_isSmoothScrolling = false; |
| 908 | } |
| 909 | } |
| 910 | else // Trackpads that without high-resolution scrolling |
| 911 | // e.g. libinput-XWayland trackpads |
| 912 | { |
| 913 | numPixels = e->angleDelta() / 4; |
| 914 | } |
| 915 | |
| 916 | if (!numPixels.isNull()) { |
| 917 | if (e->modifiers() == Qt::ControlModifier) { |
| 918 | // Hold ctrl to zoom. 1 % per pixel |
| 919 | const double v = (m_invertZoomDirection) ? (numPixels.y() / ZOOM_WHEEL_DIVISOR) : (-numPixels.y() / ZOOM_WHEEL_DIVISOR); |
| 920 | RS2::ZoomDirection direction; |
| 921 | if (v < 0) { |
| 922 | direction = RS2::Out; |
| 923 | } |
| 924 | else { |
| 925 | direction = RS2::In; |
| 926 | } |
| 927 | |
| 928 | const double zoomFact = 1. + std::abs(v); |
| 929 | doZoom(direction, mouse, zoomFact); |
| 930 | } |
| 931 | else { |
| 932 | const int hDelta = (m_invertHorizontalScroll) ? -numPixels.x() : numPixels.x(); |
| 933 | const int vDelta = (m_invertVerticalScroll) ? -numPixels.y() : numPixels.y(); |
| 934 | |
| 935 | // pan the viewport, not the scrollbars: a bar is bounded, panning is not (#2945) |
| 936 | getViewPort()->zoomPan(hDelta, vDelta); |
| 937 | } |
| 938 | redraw(); |
| 939 | } |
| 940 | e->accept(); |
| 941 | return; |
| 942 | } |
| 943 | |
| 944 | if (e->angleDelta().isNull()) { |
| 945 | // A zero delta event occurs when smooth scrolling is ended. Ignore this |
| 946 | e->accept(); |
| 947 | return; |
| 948 | } |
| 949 | |
| 950 | bool scroll = false; |
| 951 | RS2::Direction direction = RS2::Up; |
| 952 | |
| 953 | // scroll up / down: |
| 954 | const int angleDeltaY = e->angleDelta().y(); // delta for VERTICAL mouse wheel |
| 955 | int angleDeltaX = e->angleDelta().x(); // delta for HORIZONTAL mouse wheel |
Value stored to 'angleDeltaX' during its initialization is never read | |
| 956 | |
| 957 | // for zoom, let's use just vertical scrolling, so below we'll rely on AngleDeltaY only. |
| 958 | // otherwise, horizontal scroll will not work :( Basically, that's a side-effect for porting to QT6 |
| 959 | // so here let's use simpler logic |
| 960 | angleDeltaX = angleDeltaY; |
| 961 | if (e->modifiers() == Qt::ControlModifier) { |
| 962 | scroll = true; |
| 963 | direction = (angleDeltaY > 0) ? RS2::Up : RS2::Down; |
| 964 | } |
| 965 | else if (e->modifiers() == Qt::ShiftModifier) { |
| 966 | scroll = true; |
| 967 | direction = (angleDeltaX > 0) ? RS2::Left : RS2::Right; |
| 968 | } |
| 969 | |
| 970 | // fixme - potentially, we can support mouses with two mouse wheels later if this will be reasonable. |
| 971 | // fixme - however, it looks as a kind of overkill - using on single vertical mouse wheel for scroll seems to be fine// |
| 972 | /* |
| 973 | if (e->modifiers() == Qt::ControlModifier) { |
| 974 | scroll = true; |
| 975 | if (angleDeltaY == 0){ |
| 976 | //case Qt::Horizontal: |
| 977 | direction= (angleDeltaX > 0) ? RS2::Left : RS2::Right; |
| 978 | } else { |
| 979 | //case Qt::Vertical: |
| 980 | direction= (angleDeltaY > 0) ? RS2::Up : RS2::Down; |
| 981 | } |
| 982 | } |
| 983 | // scroll left / right: |
| 984 | else if (e->modifiers()==Qt::ShiftModifier) { |
| 985 | scroll = true; |
| 986 | if (angleDeltaY == 0){ |
| 987 | //case Qt::Horizontal: |
| 988 | direction= (angleDeltaX > 0) ? RS2::Up : RS2::Down; |
| 989 | } else { |
| 990 | //case Qt::Vertical: |
| 991 | direction= (angleDeltaX > 0) ? RS2::Left : RS2::Right; |
| 992 | } |
| 993 | }*/ |
| 994 | |
| 995 | if (scroll && m_scrollbars) { |
| 996 | // pan the viewport with the direction the scrollbars used to give (issue #479); |
| 997 | // a bar is bounded, panning is not (#2945) |
| 998 | int delta = 0; |
| 999 | |
| 1000 | switch (direction) { |
| 1001 | case RS2::Left: |
| 1002 | case RS2::Right: |
| 1003 | delta = (m_invertHorizontalScroll) ? -angleDeltaX : angleDeltaX; |
| 1004 | getViewPort()->zoomPan(-delta, 0); |
| 1005 | break; |
| 1006 | default: |
| 1007 | delta = (m_invertVerticalScroll) ? -angleDeltaY : angleDeltaY; |
| 1008 | getViewPort()->zoomPan(0, -delta); |
| 1009 | break; |
| 1010 | } |
| 1011 | } |
| 1012 | // zoom in / out: |
| 1013 | else if (e->modifiers() == 0) { |
| 1014 | // LC_ERR << " AngleDelta Y " << angleDeltaY; |
| 1015 | |
| 1016 | const RS2::ZoomDirection zoomDirection = ((angleDeltaY > 0) != m_invertZoomDirection) ? RS2::In : RS2::Out; |
| 1017 | |
| 1018 | const QPoint viewCenter{getWidth() / 2, getHeight() / 2}; |
| 1019 | const QPoint delta = viewCenter - uiEventPosition.toPoint(); |
| 1020 | |
| 1021 | if (getPanOnZoom()) { |
| 1022 | QCursor::setPos(mapToGlobal(viewCenter)); |
| 1023 | getViewPort()->zoomPan(delta.x(), delta.y()); |
| 1024 | } |
| 1025 | if (!getPanOnZoom() || !getSkipFirstZoom() || (abs(delta.x()) < 32 && abs(delta.y()) < 32)) { |
| 1026 | const RS_Vector& zoomCenter = mouse; |
| 1027 | // LC_ERR << " Mouse " << mouse << " Direction: " << (zoomDirection == RS2::In ? "In" : "Out"); |
| 1028 | |
| 1029 | /*// todo - well, actually this is one-shot action... and it will lead to full action processing chain in action handler |
| 1030 | // todo - are we REALLY need it there? alternatively, zoom may be part of this class) |
| 1031 | auto zoomAction = std::make_unique<RS_ActionZoomIn>(m_actionContext, zoomDirection, RS2::Both, &zoomCenter,m_scrollZoomFactor); |
| 1032 | zoomAction->trigger();*/ |
| 1033 | const double zoomFactor = std::pow(m_scrollZoomFactor, std::abs(angleDeltaY) / 120.0); |
| 1034 | doZoom(zoomDirection, zoomCenter, zoomFactor); |
| 1035 | } |
| 1036 | } |
| 1037 | redraw(); |
| 1038 | |
| 1039 | /* QMouseEvent event |
| 1040 | { |
| 1041 | QEvent::MouseMove, |
| 1042 | #if (QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)) |
| 1043 | e->position(), |
| 1044 | #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)) |
| 1045 | e->globalPosition(), |
| 1046 | #endif |
| 1047 | #else |
| 1048 | QPointF{static_cast<qreal>(e->x()), static_cast<qreal>(e->y())}, |
| 1049 | #endif |
| 1050 | Qt::NoButton, Qt::NoButton, Qt::NoModifier |
| 1051 | }; |
| 1052 | eventHandler->mouseMoveEvent(&event); |
| 1053 | |
| 1054 | e->accept();*/ |
| 1055 | } |
| 1056 | |
| 1057 | // fixme - sand - move by keyboard support!!! |
| 1058 | void QG_GraphicView::keyPressEvent(QKeyEvent* e) { |
| 1059 | if (getDocument() == nullptr) { |
| 1060 | return; |
| 1061 | } |
| 1062 | if (m_relativePointWidgetHolder->isVisible()) { |
| 1063 | return; |
| 1064 | } |
| 1065 | bool eventProcessed = false; // due to some weird reasons, even incoming event is already accepted (Win10)... so using own flag |
| 1066 | if (m_allowScrollAndMoveAdjustByKeys) { |
| 1067 | RS2::Direction direction = RS2::Up; |
| 1068 | bool scroll = e->modifiers() == Qt::NoModifier; |
| 1069 | const bool shift = e->modifiers() & Qt::ShiftModifier; |
| 1070 | const bool control = e->modifiers() & Qt::ControlModifier; |
| 1071 | |
| 1072 | bool move = shift || control; |
| 1073 | |
| 1074 | switch (e->key()) { |
| 1075 | case Qt::Key_Left: |
| 1076 | direction = RS2::Right; |
| 1077 | break; |
| 1078 | case Qt::Key_Right: |
| 1079 | direction = RS2::Left; |
| 1080 | break; |
| 1081 | case Qt::Key_Up: |
| 1082 | direction = RS2::Up; |
| 1083 | break; |
| 1084 | case Qt::Key_Down: |
| 1085 | direction = RS2::Down; |
| 1086 | break; |
| 1087 | default: |
| 1088 | scroll = false; |
| 1089 | move = false; |
| 1090 | break; |
| 1091 | } |
| 1092 | |
| 1093 | if (scroll) { |
| 1094 | getViewPort()->zoomScroll(direction); |
| 1095 | eventProcessed = true; |
| 1096 | e->accept(); |
| 1097 | } |
| 1098 | else if (move) { |
| 1099 | LC_ActionModifyMoveAdjust::MovementInfo::Step step = LC_ActionModifyMoveAdjust::MovementInfo::GRID; |
| 1100 | if (control) { |
| 1101 | if (shift) { |
| 1102 | step = LC_ActionModifyMoveAdjust::MovementInfo::META_GRID; |
| 1103 | } |
| 1104 | else { |
| 1105 | step = LC_ActionModifyMoveAdjust::MovementInfo::SUB_GRID; |
| 1106 | } |
| 1107 | } |
| 1108 | else if (shift) { |
| 1109 | step = LC_ActionModifyMoveAdjust::MovementInfo::GRID; |
| 1110 | } |
| 1111 | |
| 1112 | LC_ActionModifyMoveAdjust::MovementInfo info(direction, step); |
| 1113 | switchToAction(RS2::ActionModifyMoveAdjust, &info); |
| 1114 | eventProcessed = true; |
| 1115 | e->accept(); |
| 1116 | } |
| 1117 | } |
| 1118 | if (!eventProcessed) { |
| 1119 | getEventHandler()->keyPressEvent(e); |
| 1120 | } |
| 1121 | } |
| 1122 | |
| 1123 | void QG_GraphicView::keyReleaseEvent(QKeyEvent* e) { |
| 1124 | getEventHandler()->keyReleaseEvent(e); |
| 1125 | } |
| 1126 | |
| 1127 | /** |
| 1128 | * Drawing extents used as the scrollable content, in WCS. |
| 1129 | * @return false when the drawing has no extents (empty drawing) |
| 1130 | */ |
| 1131 | bool QG_GraphicView::scrollContentExtents(RS_Vector& wcsMin, RS_Vector& wcsMax) const { |
| 1132 | auto* viewport = getViewPort(); |
| 1133 | if (viewport == nullptr || !viewport->getViewBorders(wcsMin, wcsMax)) { |
| 1134 | return false; |
| 1135 | } |
| 1136 | return isRectValid(wcsMin, wcsMax); |
| 1137 | } |
| 1138 | |
| 1139 | namespace { |
| 1140 | void applyScrollState(QG_ScrollBar* bar, const LC_ScrollModel::State& state) { |
| 1141 | // the bars only display the viewport: changing them must not move it |
| 1142 | const QSignalBlocker blocker(bar); |
| 1143 | bar->setRange(0, state.maximum); |
| 1144 | bar->setPageStep(state.pageStep); |
| 1145 | bar->setSingleStep(state.singleStep); |
| 1146 | bar->setValue(state.value); |
| 1147 | // the drawing extents in the same ticks, so the band and the thumb share one mapping |
| 1148 | bar->setContentBand(state.hasContent, state.tickFor(state.contentMin), state.tickFor(state.contentMax)); |
| 1149 | } |
| 1150 | |
| 1151 | // The viewport fingerprint a scroll snapshot was built from (see LC_ScrollViewportKey). |
| 1152 | // The UCS is read by value (hasUCS()/getUcsOrigin()/getXAxisAngle()), never via |
| 1153 | // getCurrentUCS(), which heap-allocates a fresh LC_UCS on every call and would leak |
| 1154 | // here -- this function runs on essentially every viewport change. |
| 1155 | LC_ScrollViewportKey viewportKey(const LC_GraphicViewport& viewport) { |
| 1156 | const RS_Vector factor = viewport.getFactor(); |
| 1157 | return {viewport.getOffsetX(), viewport.getOffsetY(), factor.x, factor.y, |
| 1158 | viewport.getWidth(), viewport.getHeight(), |
| 1159 | viewport.hasUCS(), viewport.getUcsOrigin(), viewport.getXAxisAngle()}; |
| 1160 | } |
| 1161 | } |
| 1162 | |
| 1163 | /** |
| 1164 | * Builds one axis's LC_ScrollModel::Axis/State from the viewport quantities that feed |
| 1165 | * it: the shared math behind both adjustOffsetControls() (which then pushes it into the |
| 1166 | * QScrollBar widgets) and rebaseScrollIfStale() (which only updates the internal |
| 1167 | * snapshot -- see its comment). \p ox / \p oy / \p width / \p height are the viewport's |
| 1168 | * CURRENT offsets and size, so the axis this builds always starts from the view that is |
| 1169 | * actually on screen right now. |
| 1170 | * |
| 1171 | * The int -> double conversions below keep the subtraction/negation itself in double |
| 1172 | * (rather than negating/subtracting as int first and widening the result), so this has |
| 1173 | * no int-overflow risk regardless of how extreme ox/oy/height are. |
| 1174 | */ |
| 1175 | LC_ScrollModel::State QG_GraphicView::computeAxisState(const bool isHorizontal, const bool hasContent, |
| 1176 | const RS_Vector& ucsMin, const RS_Vector& ucsMax, |
| 1177 | const RS_Vector& factor, const int ox, const int oy, |
| 1178 | const int width, const int height) const { |
| 1179 | if (isHorizontal) { |
| 1180 | return LC_ScrollModel::compute({hasContent, ucsMin.x * factor.x, ucsMax.x * factor.x, |
| 1181 | -static_cast<double>(ox), static_cast<double>(width)}); |
| 1182 | } |
| 1183 | return LC_ScrollModel::compute({hasContent, -ucsMax.y * factor.y, -ucsMin.y * factor.y, |
| 1184 | static_cast<double>(oy) - static_cast<double>(height), |
| 1185 | static_cast<double>(height)}); |
| 1186 | } |
| 1187 | |
| 1188 | /** |
| 1189 | * Called whenever the graphic view has changed. |
| 1190 | * Projects the viewport onto the scrollbars: the scrollable region is |
| 1191 | * (drawing extents united with the current view) +/- half a view, so the bars never |
| 1192 | * clamp or move the view, and always have half a view of room beyond it. See LC_ScrollModel. Bar-driven changes are not synced while they run |
| 1193 | * (the frozen snapshot); scheduleScrollResync() and sliderReleased sync them after. |
| 1194 | */ |
| 1195 | void QG_GraphicView::adjustOffsetControls() { |
| 1196 | if (!m_scrollbars || m_hScrollBar == nullptr || m_vScrollBar == nullptr || getDocument() == nullptr) { |
| 1197 | return; |
| 1198 | } |
| 1199 | // a bar slot is moving the view, or we are already syncing: keep the frozen snapshot |
| 1200 | if (m_scrollSyncing) { |
| 1201 | return; |
| 1202 | } |
| 1203 | // the range stays frozen while a thumb is held; sliderReleased re-syncs |
| 1204 | if (m_hScrollBar->isSliderDown() || m_vScrollBar->isSliderDown()) { |
| 1205 | return; |
| 1206 | } |
| 1207 | auto* viewport = getViewPort(); |
| 1208 | const int width = viewport->getWidth(); |
| 1209 | const int height = viewport->getHeight(); |
| 1210 | if (width <= 0 || height <= 0) { |
| 1211 | return; |
| 1212 | } |
| 1213 | const QScopedValueRollback<bool> guard(m_scrollSyncing, true); |
| 1214 | |
| 1215 | RS_Vector wcsMin; |
| 1216 | RS_Vector wcsMax; |
| 1217 | RS_Vector ucsMin; |
| 1218 | RS_Vector ucsMax; |
| 1219 | const bool hasContent = scrollContentExtents(wcsMin, wcsMax); |
| 1220 | if (hasContent) { |
| 1221 | viewport->ucsBoundsOfWcsBox(wcsMin, wcsMax, ucsMin, ucsMax); |
| 1222 | } |
| 1223 | const RS_Vector factor = viewport->getFactor(); |
| 1224 | const int ox = viewport->getOffsetX(); |
| 1225 | const int oy = viewport->getOffsetY(); |
| 1226 | |
| 1227 | m_hScroll = computeAxisState(true, hasContent, ucsMin, ucsMax, factor, ox, oy, width, height); |
| 1228 | m_vScroll = computeAxisState(false, hasContent, ucsMin, ucsMax, factor, ox, oy, width, height); |
| 1229 | m_scrollKey = viewportKey(*viewport); |
| 1230 | if (m_hScroll.valid) { |
| 1231 | applyScrollState(m_hScrollBar, m_hScroll); |
| 1232 | } |
| 1233 | if (m_vScroll.valid) { |
| 1234 | applyScrollState(m_vScrollBar, m_vScroll); |
| 1235 | } |
| 1236 | LC_LOGRS_Debug::Log() << __func__ << "(): H [0, " << m_hScroll.maximum << "] page " << m_hScroll.pageStep << " value " |
| 1237 | << m_hScroll.value << "; V [0, " << m_vScroll.maximum << "] page " << m_vScroll.pageStep << " value " |
| 1238 | << m_vScroll.value; |
| 1239 | } |
| 1240 | |
| 1241 | /** |
| 1242 | * Some paths change the viewport without going through adjustOffsetControls() (a silent |
| 1243 | * VPORT restore, applyUCSAfterLoad(), a keyboard zoom while a thumb is held). When the |
| 1244 | * viewport no longer matches the fingerprint the snapshot was taken from, this rebuilds |
| 1245 | * m_hScroll/m_vScroll's SCALE (pixelsPerTick, maximum, pageStep) from the CURRENT content |
| 1246 | * extents, factor, offsets and size -- the same inputs and the same computeAxisState() |
| 1247 | * adjustOffsetControls() uses -- so a factor that changed silently is no longer stale |
| 1248 | * (the bug this fixes: only the origin used to be corrected, never the scale). |
| 1249 | * |
| 1250 | * The origin is then RE-ANCHORED, not taken from that fresh compute() as is: the bar |
| 1251 | * widget itself is not (and must not be, see below) touched here, so it still shows |
| 1252 | * whatever value it last displayed (m_hScroll.value, unchanged since); origin is solved |
| 1253 | * for so that viewStartFor(that unchanged value) reproduces the CURRENT actual view start |
| 1254 | * exactly, now through the fresh pixelsPerTick. This is what keeps a rebase with no value |
| 1255 | * change from moving the view, and what makes a value change from here measure correctly |
| 1256 | * in fresh, current pixels-per-tick rather than in whatever pixels-per-tick happened to |
| 1257 | * be in effect when the bar was last synced for real. |
| 1258 | * |
| 1259 | * This must NOT touch the QScrollBar widgets (applyScrollState()/setRange()/setValue()): |
| 1260 | * it runs from inside slotHScrolled()/slotVScrolled(), themselves called from a bar's own |
| 1261 | * valueChanged, so writing back to the bar here would recurse. The widgets simply stay |
| 1262 | * at their last-synced (possibly now stale) range/page-step until the next real resync, |
| 1263 | * either adjustOffsetControls() on sliderReleased or a later notified viewport change; |
| 1264 | * only the internal snapshot used to map THIS slot call's value needs to be correct. |
| 1265 | * |
| 1266 | * Returns the freshly computed viewport key (whether or not it differed from |
| 1267 | * m_scrollKey), so a caller that already needs it (a slot patching just the one field |
| 1268 | * that changed) does not have to call viewportKey() again from scratch. |
| 1269 | */ |
| 1270 | LC_ScrollViewportKey QG_GraphicView::rebaseScrollIfStale() { |
| 1271 | auto* viewport = getViewPort(); |
| 1272 | const LC_ScrollViewportKey key = viewportKey(*viewport); |
| 1273 | if (key == m_scrollKey) { |
| 1274 | return key; |
| 1275 | } |
| 1276 | const int width = viewport->getWidth(); |
| 1277 | const int height = viewport->getHeight(); |
| 1278 | if (width <= 0 || height <= 0) { |
| 1279 | // No sane axis state can be built at a degenerate size: leave m_hScroll/m_vScroll |
| 1280 | // untouched, and hand back the OLD m_scrollKey (not the freshly computed one) so a |
| 1281 | // caller that stores our return value back into m_scrollKey does not mark this |
| 1282 | // change as already handled. The next call, once the size is sane again, must still |
| 1283 | // see the fingerprint mismatch and recompute for real. |
| 1284 | return m_scrollKey; |
| 1285 | } |
| 1286 | RS_Vector wcsMin; |
| 1287 | RS_Vector wcsMax; |
| 1288 | RS_Vector ucsMin; |
| 1289 | RS_Vector ucsMax; |
| 1290 | const bool hasContent = scrollContentExtents(wcsMin, wcsMax); |
| 1291 | if (hasContent) { |
| 1292 | viewport->ucsBoundsOfWcsBox(wcsMin, wcsMax, ucsMin, ucsMax); |
| 1293 | } |
| 1294 | const RS_Vector factor = viewport->getFactor(); |
| 1295 | const int ox = viewport->getOffsetX(); |
| 1296 | const int oy = viewport->getOffsetY(); |
| 1297 | |
| 1298 | if (m_hScroll.valid) { |
| 1299 | const double currentStart = -static_cast<double>(ox); |
| 1300 | const double anchorValue = m_hScroll.value; |
| 1301 | m_hScroll = computeAxisState(true, hasContent, ucsMin, ucsMax, factor, ox, oy, width, height); |
| 1302 | if (m_hScroll.valid) { |
| 1303 | m_hScroll.origin = currentStart - anchorValue * m_hScroll.pixelsPerTick; |
| 1304 | m_hScroll.value = static_cast<int>(anchorValue); |
| 1305 | } |
| 1306 | } |
| 1307 | if (m_vScroll.valid) { |
| 1308 | const double currentStart = static_cast<double>(oy) - static_cast<double>(height); |
| 1309 | const double anchorValue = m_vScroll.value; |
| 1310 | m_vScroll = computeAxisState(false, hasContent, ucsMin, ucsMax, factor, ox, oy, width, height); |
| 1311 | if (m_vScroll.valid) { |
| 1312 | m_vScroll.origin = currentStart - anchorValue * m_vScroll.pixelsPerTick; |
| 1313 | m_vScroll.value = static_cast<int>(anchorValue); |
| 1314 | } |
| 1315 | } |
| 1316 | m_scrollKey = key; |
| 1317 | return key; |
| 1318 | } |
| 1319 | |
| 1320 | /** |
| 1321 | * Built on demand (QG_ScrollBar asks on QEvent::ToolTip), from the current view and the |
| 1322 | * drawing's UCS box computed now, from the same source as the scroll range |
| 1323 | * (scrollContentExtents() + ucsBoundsOfWcsBox(), as in adjustOffsetControls()), so a load |
| 1324 | * or an edit that has not resynced the bars yet is still described correctly. Values |
| 1325 | * are in the drawing's units and linear format. The view range follows |
| 1326 | * computeAxisState()'s mapping: a UCS coordinate c is the scroll-space pixel c * factor.x |
| 1327 | * (x) or -c * factor.y (y). Every statement is about this bar's axis only. Empty, so no |
| 1328 | * tooltip, while the band is switched off (Appearance/ScrollBarContentBand). |
| 1329 | */ |
| 1330 | QString QG_GraphicView::scrollBarToolTip(const bool horizontal) const { |
| 1331 | auto* viewport = getViewPort(); |
| 1332 | if (!m_scrollBarContentBand || viewport == nullptr) { |
| 1333 | return {}; |
| 1334 | } |
| 1335 | const RS_Vector factor = viewport->getFactor(); |
| 1336 | const double scale = horizontal ? factor.x : factor.y; |
| 1337 | const double length = horizontal ? viewport->getWidth() : viewport->getHeight(); |
| 1338 | if (!(scale > 0.0) || !(length > 0.0)) { |
| 1339 | return {}; |
| 1340 | } |
| 1341 | const double offset = horizontal ? viewport->getOffsetX() : viewport->getOffsetY(); |
| 1342 | const double viewMin = -offset / scale; |
| 1343 | const double viewMax = (length - offset) / scale; |
| 1344 | |
| 1345 | const RS_Graphic* graphic = getGraphic(); |
| 1346 | const RS2::Unit unit = graphic != nullptr ? graphic->getUnit() : RS2::None; |
| 1347 | const RS2::LinearFormat format = graphic != nullptr ? graphic->getLinearFormat() : RS2::Decimal; |
| 1348 | const int precision = graphic != nullptr ? graphic->getLinearPrecision() : 4; |
| 1349 | auto linear = [unit, format, precision](const double value) { |
| 1350 | return RS_Units::formatLinear(value, unit, format, precision); |
| 1351 | }; |
| 1352 | const QString view = horizontal ? tr("View X %1..%2").arg(linear(viewMin), linear(viewMax)) |
| 1353 | : tr("View Y %1..%2").arg(linear(viewMin), linear(viewMax)); |
| 1354 | |
| 1355 | RS_Vector wcsMin; |
| 1356 | RS_Vector wcsMax; |
| 1357 | if (!scrollContentExtents(wcsMin, wcsMax)) { |
| 1358 | return tr("The drawing is empty · %1", "scrollbar tooltip: %1 is the view's range").arg(view); |
| 1359 | } |
| 1360 | RS_Vector ucsMin; |
| 1361 | RS_Vector ucsMax; |
| 1362 | viewport->ucsBoundsOfWcsBox(wcsMin, wcsMax, ucsMin, ucsMax); |
| 1363 | const double drawingMin = horizontal ? ucsMin.x : ucsMin.y; |
| 1364 | const double drawingMax = horizontal ? ucsMax.x : ucsMax.y; |
| 1365 | const QString drawing = horizontal ? tr("Drawing X %1..%2").arg(linear(drawingMin), linear(drawingMax)) |
| 1366 | : tr("Drawing Y %1..%2").arg(linear(drawingMin), linear(drawingMax)); |
| 1367 | |
| 1368 | // distance in view lengths: one decimal while it is small, whole numbers beyond |
| 1369 | auto views = [horizontal, viewLength = viewMax - viewMin](const double distance) { |
| 1370 | const double count = distance / viewLength; |
| 1371 | if (count < 0.1) { |
| 1372 | return horizontal ? tr("less than 0.1 view widths") : tr("less than 0.1 view heights"); |
| 1373 | } |
| 1374 | const QString number = count < 10.0 ? QString::number(count, 'f', 1) |
| 1375 | : QString::number(std::round(count), 'f', 0); |
| 1376 | return horizontal ? tr("≈%1 view widths").arg(number) : tr("≈%1 view heights").arg(number); |
| 1377 | }; |
| 1378 | QString where; |
| 1379 | switch (LC_ScrollModel::placement(drawingMin, drawingMax, viewMin, viewMax)) { |
| 1380 | case LC_ScrollModel::Placement::Covered: |
| 1381 | where = horizontal ? tr("view spans the drawing's X range") : tr("view spans the drawing's Y range"); |
| 1382 | break; |
| 1383 | case LC_ScrollModel::Placement::Overlaps: |
| 1384 | where = horizontal ? tr("drawing's X range is in view") : tr("drawing's Y range is in view"); |
| 1385 | break; |
| 1386 | case LC_ScrollModel::Placement::Before: { |
| 1387 | const double distance = viewMin - drawingMax; |
| 1388 | where = horizontal ? tr("drawing's X range is %1 to the left (%2)").arg(linear(distance), views(distance)) |
| 1389 | : tr("drawing's Y range is %1 down (%2)").arg(linear(distance), views(distance)); |
| 1390 | break; |
| 1391 | } |
| 1392 | case LC_ScrollModel::Placement::After: { |
| 1393 | const double distance = drawingMin - viewMax; |
| 1394 | where = horizontal ? tr("drawing's X range is %1 to the right (%2)").arg(linear(distance), views(distance)) |
| 1395 | : tr("drawing's Y range is %1 up (%2)").arg(linear(distance), views(distance)); |
| 1396 | break; |
| 1397 | } |
| 1398 | } |
| 1399 | return tr("%1 · %2 · %3", "scrollbar tooltip: the drawing's range, the view's range, where the drawing is") |
| 1400 | .arg(drawing, view, where); |
| 1401 | } |
| 1402 | |
| 1403 | void QG_GraphicView::setScrollBarToolTips(const bool enabled) { |
| 1404 | for (QG_ScrollBar* bar : {m_hScrollBar, m_vScrollBar}) { |
| 1405 | if (bar == nullptr) { |
| 1406 | continue; |
| 1407 | } |
| 1408 | if (enabled) { |
| 1409 | const bool horizontal = bar->orientation() == Qt::Horizontal; |
| 1410 | bar->setToolTipProvider([this, horizontal] { |
| 1411 | return scrollBarToolTip(horizontal); |
| 1412 | }); |
| 1413 | } else { |
| 1414 | bar->setToolTipProvider(nullptr); |
| 1415 | } |
| 1416 | } |
| 1417 | } |
| 1418 | |
| 1419 | /** |
| 1420 | * override this to adjust controls and widgets that |
| 1421 | * control the zoom factor of the graphic. |
| 1422 | */ |
| 1423 | void QG_GraphicView::adjustZoomControls() { |
| 1424 | } |
| 1425 | |
| 1426 | |
| 1427 | /** |
| 1428 | * Shared body of slotHScrolled()/slotVScrolled(): rebase \p axisState if the viewport |
| 1429 | * changed silently, then map \p value through it and apply the result via \p |
| 1430 | * applyViewStart, which sets the viewport's offset for this axis and returns the |
| 1431 | * (int) offset it actually used. Only that one key field (ox for H, oy for V) is then |
| 1432 | * patched into a copy of the key rebaseScrollIfStale() already computed, rather than |
| 1433 | * calling viewportKey() again from scratch (see LC_ScrollViewportKey's comment). |
| 1434 | * |
| 1435 | * The H/V axes differ in more than one line each (Y is flipped and offset by the view |
| 1436 | * height, X is not), so those differences stay as the two explicit one-line lambdas at |
| 1437 | * each call site; this shares only what is byte-identical between them. |
| 1438 | */ |
| 1439 | void QG_GraphicView::driveScrollAxis(LC_ScrollModel::State& axisState, const int value, |
| 1440 | const std::function<int(double)>& applyViewStart, |
| 1441 | int LC_ScrollViewportKey::* const keyField) { |
| 1442 | if (!axisState.valid) { |
| 1443 | return; |
| 1444 | } |
| 1445 | LC_ScrollViewportKey key = rebaseScrollIfStale(); |
| 1446 | const QScopedValueRollback<bool> driving(m_scrollSyncing, true); |
| 1447 | key.*keyField = applyViewStart(axisState.viewStartFor(value)); |
| 1448 | axisState.value = value; |
| 1449 | m_scrollKey = key; |
| 1450 | scheduleScrollResync(); |
| 1451 | } |
| 1452 | |
| 1453 | /** |
| 1454 | * A discrete bar step (an arrow, a trough click, a wheel notch over a bar) is not synced |
| 1455 | * while it runs (the snapshot it maps through must not change under it), so the region |
| 1456 | * would stay where it was: at its end, the next step would have no room. One resync is |
| 1457 | * queued instead, coalescing the steps of one event-loop pass, so the region re-unions |
| 1458 | * around the new view and the bar always has half a view of room beyond it: repeated |
| 1459 | * steps scroll on without limit. A held thumb is left alone (the range stays frozen for |
| 1460 | * a 1:1 drag); sliderReleased resyncs it. The resync never moves the view. |
| 1461 | */ |
| 1462 | void QG_GraphicView::scheduleScrollResync() { |
| 1463 | if (m_scrollResyncPending || m_hScrollBar == nullptr || m_vScrollBar == nullptr) { |
| 1464 | return; |
| 1465 | } |
| 1466 | if (m_hScrollBar->isSliderDown() || m_vScrollBar->isSliderDown()) { |
| 1467 | return; |
| 1468 | } |
| 1469 | m_scrollResyncPending = true; |
| 1470 | QTimer::singleShot(0, this, [this] { |
| 1471 | m_scrollResyncPending = false; |
| 1472 | adjustOffsetControls(); |
| 1473 | }); |
| 1474 | } |
| 1475 | |
| 1476 | /** |
| 1477 | * Slot for horizontal scroll events: maps the bar value through the snapshot |
| 1478 | * taken at the last sync. The viewport notification redraws the view. |
| 1479 | */ |
| 1480 | void QG_GraphicView::slotHScrolled(const int value) { |
| 1481 | driveScrollAxis(m_hScroll, value, [this](const double viewStart) { |
| 1482 | const int ox = -LC_ViewMath::saturatingRound(viewStart); |
| 1483 | getViewPort()->setOffsetX(ox); |
| 1484 | return ox; |
| 1485 | }, &LC_ScrollViewportKey::ox); |
| 1486 | } |
| 1487 | |
| 1488 | /** |
| 1489 | * Slot for vertical scroll events. |
| 1490 | */ |
| 1491 | void QG_GraphicView::slotVScrolled(const int value) { |
| 1492 | driveScrollAxis(m_vScroll, value, [this](const double viewStart) { |
| 1493 | auto* viewport = getViewPort(); |
| 1494 | const int oy = LC_ViewMath::saturatingRound(viewStart + viewport->getHeight()); |
| 1495 | viewport->setOffsetY(oy); |
| 1496 | return oy; |
| 1497 | }, &LC_ScrollViewportKey::oy); |
| 1498 | } |
| 1499 | |
| 1500 | /** |
| 1501 | * @brief setOffset |
| 1502 | * @param ox offset X |
| 1503 | * @param oy offset Y |
| 1504 | */ |
| 1505 | void QG_GraphicView::setOffset([[maybe_unused]] const int ox, [[maybe_unused]] const int oy) { |
| 1506 | getViewPort()->setOffsetX(ox); |
| 1507 | getViewPort()->setOffsetY(oy); |
| 1508 | // need to adjust offset control for scrollbars when setting graphicview offset |
| 1509 | adjustOffsetControls(); |
| 1510 | } |
| 1511 | |
| 1512 | void QG_GraphicView::layerActivated(RS_Layer* layer) { |
| 1513 | const bool applyLayerToSelectedEntities = LC_GET_ONE_BOOLRS_Settings::instance()->readBoolSingle("Modify", "ModifyEntitiesToActiveLayer"); |
| 1514 | |
| 1515 | if (applyLayerToSelectedEntities) { |
| 1516 | RS_Graphic* graphic = getGraphic(); |
| 1517 | if (graphic != nullptr) { |
| 1518 | const auto doc = getDocument(); |
| 1519 | const auto selection = doc->getSelection(); |
| 1520 | if (!selection->isEmpty()) { |
| 1521 | QList<RS_Entity*> selected; |
| 1522 | selection->collectSelectedEntities(selected); |
| 1523 | if (!selected.isEmpty()) { |
| 1524 | doc->undoableModify(getViewPort(), [selected, layer](LC_DocumentModificationBatch& ctx)-> bool { |
| 1525 | for (const auto en : std::as_const(selected)) { |
| 1526 | if (en != nullptr && en->isAlive()) { |
| 1527 | RS_Entity* clone = en->clone(); |
| 1528 | clone->setLayer(layer); |
| 1529 | clone->setPen(en->getPen(false)); |
| 1530 | clone->clearSelectionFlag(); |
| 1531 | clone->update(); |
| 1532 | ctx += clone; |
| 1533 | ctx -= en; |
| 1534 | } |
| 1535 | } |
| 1536 | ctx.dontSetActiveLayerAndPen(); |
| 1537 | return true; |
| 1538 | }, [this]([[maybe_unused]] LC_DocumentModificationBatch& ctx, RS_Document* d)-> void { |
| 1539 | RS_Selection::unselectAllInDocument(d, getViewPort()); |
| 1540 | }); |
| 1541 | } |
| 1542 | } |
| 1543 | |
| 1544 | graphic->updateInserts(); |
| 1545 | doc->calculateBorders(); |
| 1546 | doc->clearSelectionFlag(); |
| 1547 | redraw(RS2::RedrawDrawing); |
| 1548 | } |
| 1549 | } |
| 1550 | } |
| 1551 | |
| 1552 | /** |
| 1553 | * Handles paint events by redrawing the graphic in this view. |
| 1554 | * usually that's very fast since we only paint the buffer we |
| 1555 | * have from the last call.. |
| 1556 | */ |
| 1557 | void QG_GraphicView::paintEvent(QPaintEvent*) { |
| 1558 | getRenderer()->render(); |
| 1559 | } |
| 1560 | |
| 1561 | #define HIDE_SELECT_CURSORfalse false |
| 1562 | |
| 1563 | void QG_GraphicView::loadSettings() { |
| 1564 | RS_GraphicView::loadSettings(); |
| 1565 | |
| 1566 | { |
| 1567 | LC_GROUP_GUARDauto _guard_settings = RS_Settings::instance()->beginGroupGuard("Appearance"); |
| 1568 | const int zoomFactor1000 = LC_GET_INTRS_Settings::instance()->readInt("ScrollZoomFactor", 1137); |
| 1569 | m_scrollZoomFactor = zoomFactor1000 / 1000.0; |
| 1570 | |
| 1571 | m_ucsHighlightData->maxBlinkNumber = LC_GET_INTRS_Settings::instance()->readInt("UCSHighlightBlinkCount", 10) * 2; |
| 1572 | // one blink includes both for visible and invisible phase |
| 1573 | m_ucsHighlightData->timerInterval = LC_GET_INTRS_Settings::instance()->readInt("UCSHighlightBlinkDelay", 250); |
| 1574 | } |
| 1575 | |
| 1576 | { |
| 1577 | LC_GROUP_GUARDauto _guard_settings = RS_Settings::instance()->beginGroupGuard("Defaults"); |
| 1578 | m_invertZoomDirection = LC_GET_ONE_BOOLRS_Settings::instance()->readBoolSingle("Defaults", "InvertZoomDirection"); |
| 1579 | m_invertHorizontalScroll = LC_GET_BOOLRS_Settings::instance()->readBool("WheelScrollInvertH"); |
| 1580 | m_invertVerticalScroll = LC_GET_BOOLRS_Settings::instance()->readBool("WheelScrollInvertV"); |
| 1581 | } |
| 1582 | |
| 1583 | m_allowScrollAndMoveAdjustByKeys = LC_GET_ONE_BOOLRS_Settings::instance()->readBoolSingle("Keyboard", "AllowScrollMoveAdjustByKeys", true); |
| 1584 | |
| 1585 | m_scrollBarContentBand = LC_GET_ONE_BOOLRS_Settings::instance()->readBoolSingle("Appearance", "ScrollBarContentBand", |
| 1586 | QG_ScrollBar::kContentBandDefault); |
| 1587 | if (m_hScrollBar != nullptr && m_vScrollBar != nullptr) { |
| 1588 | m_hScrollBar->setContentBandEnabled(m_scrollBarContentBand); |
| 1589 | m_vScrollBar->setContentBandEnabled(m_scrollBarContentBand); |
| 1590 | } |
| 1591 | |
| 1592 | LC_GROUPRS_Settings::instance()->beginGroup("Appearance"); |
| 1593 | { |
| 1594 | m_cursorHiding = LC_GET_BOOLRS_Settings::instance()->readBool("cursor_hiding", false); |
| 1595 | bool showSnapIndicatorLines = LC_GET_BOOLRS_Settings::instance()->readBool("indicator_lines_state", true); |
| 1596 | bool showSnapIndicatorShape = LC_GET_BOOLRS_Settings::instance()->readBool("indicator_shape_state", true); |
| 1597 | if (HIDE_SELECT_CURSORfalse) { |
| 1598 | // potentially, select cursor may be also hidden and so snapper will be used instead of cursor. |
| 1599 | // however, this will require review and modifications of significant amount of actions, so |
| 1600 | // probably I'll return to this later. In such case, the code within this "if" will be handy for such support |
| 1601 | m_selectCursorHiding = m_cursorHiding && (showSnapIndicatorLines || showSnapIndicatorShape); |
| 1602 | } |
| 1603 | m_selectCursorHiding = false; |
| 1604 | } |
| 1605 | LC_GROUP_ENDRS_Settings::instance()->endGroup(); |
| 1606 | m_ucsMarkOptions->loadSettings(); |
| 1607 | |
| 1608 | LC_GROUPRS_Settings::instance()->beginGroup("Colors"); |
| 1609 | { |
| 1610 | const RS_Color bgColor(LC_GET_STRRS_Settings::instance()->readStr("RelativePositionAssistantBackground", RS_Settings::RELATIVE_POSITION_BACKGROUND)); |
| 1611 | const RS_Color txtColor(LC_GET_STRRS_Settings::instance()->readStr("RelativePositionAssistantText", RS_Settings::RELATIVE_POSITION_BACKGROUND)); |
| 1612 | m_relativePointWidgetHolder->setWidgetColors(bgColor, txtColor); |
| 1613 | } |
| 1614 | LC_GROUP_ENDRS_Settings::instance()->endGroup(); |
| 1615 | |
| 1616 | LC_GROUPRS_Settings::instance()->beginGroup("RelativePositionAssistant"); |
| 1617 | { |
| 1618 | const int fontSize = LC_GET_INTRS_Settings::instance()->readInt("FontSize", 10); |
| 1619 | const QString fontName = LC_GET_STRRS_Settings::instance()->readStr("FontName", "Helvetica"); |
| 1620 | m_relativePointWidgetHolder->setFont(fontName, fontSize); |
| 1621 | } |
| 1622 | LC_GROUP_ENDRS_Settings::instance()->endGroup(); |
| 1623 | } |
| 1624 | |
| 1625 | void QG_GraphicView::setAntialiasing(const bool state) const { |
| 1626 | getRenderer()->setAntialiasing(state); |
| 1627 | } |
| 1628 | |
| 1629 | bool QG_GraphicView::isAntialiasing() const { |
| 1630 | return getRenderer()->isAntialiasing(); |
| 1631 | } |
| 1632 | |
| 1633 | bool QG_GraphicView::isDraftMode() const { |
| 1634 | const auto* viewRenderer = dynamic_cast<LC_GraphicViewRenderer*>(getRenderer()); |
| 1635 | return (viewRenderer != nullptr) ? viewRenderer->isDraftMode() : false; |
| 1636 | } |
| 1637 | |
| 1638 | void QG_GraphicView::setDraftMode(const bool dm) { |
| 1639 | auto* viewRenderer = dynamic_cast<LC_GraphicViewRenderer*>(getRenderer()); |
| 1640 | if (viewRenderer != nullptr) { |
| 1641 | viewRenderer->setDraftMode(dm); |
| 1642 | redraw(); |
| 1643 | } |
| 1644 | } |
| 1645 | |
| 1646 | void QG_GraphicView::setDraftLinesMode(const bool mode) const { |
| 1647 | auto* viewRenderer = dynamic_cast<LC_GraphicViewRenderer*>(getRenderer()); |
| 1648 | if (viewRenderer != nullptr) { |
| 1649 | viewRenderer->setLineWidthScaling(!mode); |
| 1650 | } |
| 1651 | } |
| 1652 | |
| 1653 | bool QG_GraphicView::isDraftLinesMode() const { |
| 1654 | const auto* viewRenderer = dynamic_cast<LC_GraphicViewRenderer*>(getRenderer()); |
| 1655 | if (viewRenderer != nullptr) { |
| 1656 | return !viewRenderer->getLineWidthScaling(); |
| 1657 | } |
| 1658 | return false; |
| 1659 | } |
| 1660 | |
| 1661 | void QG_GraphicView::addScrollbars() { |
| 1662 | m_scrollbars = true; |
| 1663 | |
| 1664 | m_hScrollBar = new QG_ScrollBar(Qt::Horizontal, this); |
| 1665 | m_vScrollBar = new QG_ScrollBar(Qt::Vertical, this); |
| 1666 | m_hScrollBar->setContentBandEnabled(m_scrollBarContentBand); |
| 1667 | m_vScrollBar->setContentBandEnabled(m_scrollBarContentBand); |
| 1668 | m_layout = new QGridLayout(this); |
| 1669 | |
| 1670 | setOffset(50, 50); |
| 1671 | |
| 1672 | #if QT_VERSION((6<<16)|(9<<8)|(0)) >= QT_VERSION_CHECK(6, 0, 0)((6<<16)|(0<<8)|(0)) |
| 1673 | m_layout->setContentsMargins(QMargins{}); |
| 1674 | #else |
| 1675 | layout->setMargin(0); |
| 1676 | #endif |
| 1677 | m_layout->setSpacing(0); |
| 1678 | m_layout->setColumnStretch(0, 1); |
| 1679 | m_layout->setColumnStretch(1, 0); |
| 1680 | m_layout->setColumnStretch(2, 0); |
| 1681 | m_layout->setRowStretch(0, 1); |
| 1682 | m_layout->setRowStretch(1, 0); |
| 1683 | keepScrollbarsOnDrawingSide(); |
| 1684 | |
| 1685 | // adjustOffsetControls() freezes the range on sliderReleased through a direct |
| 1686 | // connection, relying on sliderReleased firing after the final SliderMove. With |
| 1687 | // tracking off, Qt emits sliderReleased before that move (qabstractslider.cpp), |
| 1688 | // and a resync there would discard the drag. QG_ScrollBar::init() enables tracking |
| 1689 | // unconditionally, so this invariant holds in release builds too, not only where |
| 1690 | // Q_ASSERT compiles in. |
| 1691 | m_hScrollBar->setCursor(Qt::ArrowCursor); |
| 1692 | m_layout->addWidget(m_hScrollBar, 1, 0); |
| 1693 | connect(m_hScrollBar, &QG_ScrollBar::valueChanged, this, &QG_GraphicView::slotHScrolled); |
| 1694 | connect(m_hScrollBar, &QG_ScrollBar::sliderReleased, this, &QG_GraphicView::adjustOffsetControls); |
| 1695 | |
| 1696 | m_vScrollBar->setCursor(Qt::ArrowCursor); |
| 1697 | m_layout->addWidget(m_vScrollBar, 0, 1); |
| 1698 | connect(m_vScrollBar, &QG_ScrollBar::valueChanged, this, &QG_GraphicView::slotVScrolled); |
| 1699 | connect(m_vScrollBar, &QG_ScrollBar::sliderReleased, this, &QG_GraphicView::adjustOffsetControls); |
| 1700 | } |
| 1701 | |
| 1702 | bool QG_GraphicView::hasScrollbars() const { |
| 1703 | return m_scrollbars; |
| 1704 | } |
| 1705 | |
| 1706 | void QG_GraphicView::setCursorHiding(const bool state) { |
| 1707 | m_cursorHiding = state; |
| 1708 | } |
| 1709 | |
| 1710 | void QG_GraphicView::setCurrentQAction(QAction* q_action) { |
| 1711 | getEventHandler()->setQAction(q_action); |
| 1712 | |
| 1713 | if (m_recentActions.contains(q_action)) { |
| 1714 | m_recentActions.removeOne(q_action); |
| 1715 | } |
| 1716 | m_recentActions.prepend(q_action); |
| 1717 | } |
| 1718 | |
| 1719 | void QG_GraphicView::startAutoPanTimer(const QMouseEvent* event) { |
| 1720 | if (event == nullptr) { |
| 1721 | return; |
| 1722 | } |
| 1723 | const RS_Vector cadArea_minCoord(0., 0.); |
| 1724 | const RS_Vector cadArea_maxCoord(getWidth(), getHeight()); |
| 1725 | const LC_Rect cadArea_actual(cadArea_minCoord, cadArea_maxCoord); |
| 1726 | const LC_Rect cadArea_unprobed(cadArea_minCoord + m_panData->probedAreaOffset, cadArea_maxCoord - m_panData->probedAreaOffset); |
| 1727 | |
| 1728 | RS_Vector mouseCoord{event->position()}; |
| 1729 | mouseCoord.y = cadArea_actual.height() - mouseCoord.y; |
| 1730 | |
| 1731 | const RS_Vector cadArea_centerPoint((cadArea_minCoord + cadArea_maxCoord) / 2.0); |
| 1732 | RS_Vector offset = mouseCoord - cadArea_centerPoint; |
| 1733 | offset = {std::abs(offset.x) - cadArea_unprobed.width() / 2., std::abs(offset.y) - cadArea_unprobed.height() / 2.}; |
| 1734 | offset = {std::max(offset.x, 1.), std::max(offset.y, 1.)}; |
| 1735 | |
| 1736 | const double panOffset_angle{cadArea_centerPoint.angleTo(mouseCoord)}; |
| 1737 | |
| 1738 | /* It would be better if the below value was calculated in the code that deals with resizing the CAD area. */ |
| 1739 | const double quarterAngle = cadArea_centerPoint.angleTo(cadArea_actual.upperRightCorner()); |
| 1740 | |
| 1741 | double percentageFactor; |
| 1742 | |
| 1743 | if (((panOffset_angle > quarterAngle) && (panOffset_angle <= (M_PI3.14159265358979323846 - quarterAngle))) || ((panOffset_angle > (quarterAngle + M_PI3.14159265358979323846)) && ( |
| 1744 | panOffset_angle <= (M_PI3.14159265358979323846 + M_PI3.14159265358979323846 - quarterAngle)))) { |
| 1745 | percentageFactor = (std::abs((mouseCoord - cadArea_centerPoint).y) - cadArea_unprobed.height() / 2.0) / (cadArea_actual.height() / |
| 1746 | 2.0 - cadArea_unprobed.height() / 2.0); |
| 1747 | } |
| 1748 | else { |
| 1749 | percentageFactor = (std::abs((mouseCoord - cadArea_centerPoint).x) - cadArea_unprobed.width() / 2.0) / (cadArea_actual.width() / 2.0 |
| 1750 | - cadArea_unprobed.width() / 2.0); |
| 1751 | } |
| 1752 | |
| 1753 | const double panTimerInterval{ |
| 1754 | m_panData->panTimerIntervalMinimum + ((m_panData->panTimerIntervalMaximum - m_panData->panTimerIntervalMinimum) * (1.0 - |
| 1755 | percentageFactor)) |
| 1756 | }; |
| 1757 | |
| 1758 | offset = RS_Vector::polar(offset.magnitude(), M_PI3.14159265358979323846 - panOffset_angle); |
| 1759 | m_panData->panOffset = {static_cast<int>(offset.x), static_cast<int>(offset.y)}; |
| 1760 | |
| 1761 | if (m_panData->panTimer != nullptr) { |
| 1762 | m_panData->panTimer->setInterval(panTimerInterval); |
| 1763 | } |
| 1764 | else { |
| 1765 | m_panData->start(panTimerInterval, *this); |
| 1766 | } |
| 1767 | |
| 1768 | if (RS_DEBUGRS_Debug::instance()->getLevel() >= RS_Debug::D_INFORMATIONAL) { |
| 1769 | std::cout << " CAD area centre point = " << cadArea_centerPoint << std::endl << |
| 1770 | " Actual CAD area quarter angle (deg) = " << quarterAngle * 180.0 / M_PI3.14159265358979323846 << std::endl << |
| 1771 | " Percentage factor = " << percentageFactor << std::endl << " Pan offset angle (radians) = " << |
| 1772 | panOffset_angle << std::endl << " Pan offset angle (degrees) = " << panOffset_angle * 180.0 / M_PI3.14159265358979323846 << std::endl << |
| 1773 | " Pan offset vector = " << m_panData->panOffset.x() << ", " << m_panData->panOffset.y() << std::endl |
| 1774 | //<< " Pan timer interval (ms) = " << m_panData->panTimer->interfac |
| 1775 | << std::endl << " Mouse (cursor) position (adjusted) = " << mouseCoord << std::endl << |
| 1776 | " Mouse position w.r.t. centre point = " << mouseCoord - cadArea_centerPoint << std::endl << std::endl << std::endl; |
| 1777 | } |
| 1778 | } |
| 1779 | |
| 1780 | bool QG_GraphicView::isAutoPan(const QMouseEvent* event) const { |
| 1781 | if (event == nullptr) { |
| 1782 | return false; |
| 1783 | } |
| 1784 | |
| 1785 | const bool autopanEnabled = LC_GET_ONE_BOOLRS_Settings::instance()->readBoolSingle("Appearance", "Autopanning"); |
| 1786 | |
| 1787 | if (!autopanEnabled) { |
| 1788 | return false; |
| 1789 | } |
| 1790 | |
| 1791 | const RS_Vector cadArea_minCoord(0., 0.); |
| 1792 | const RS_Vector cadArea_maxCoord(getWidth(), getHeight()); |
| 1793 | const LC_Rect cadArea_actual(cadArea_minCoord, cadArea_maxCoord); |
| 1794 | const LC_Rect cadArea_unprobed(cadArea_minCoord + m_panData->probedAreaOffset, cadArea_maxCoord - m_panData->probedAreaOffset); |
| 1795 | if (cadArea_unprobed.width() < 0. || cadArea_unprobed.height() < 0.) { |
| 1796 | return false; |
| 1797 | } |
| 1798 | |
| 1799 | const RS_Vector mouseCoord{event->position()}; |
| 1800 | |
| 1801 | if (RS_DEBUGRS_Debug::instance()->getLevel() >= RS_Debug::D_INFORMATIONAL) { |
| 1802 | std::cout << " Unprobed CAD area width and height = " << cadArea_unprobed.width() << "/" << cadArea_unprobed.height() << std::endl |
| 1803 | << " Actual CAD area width and height = " << cadArea_actual.width() << "/" << cadArea_actual.height() << std::endl << |
| 1804 | " Mouse (cursor) position = " << mouseCoord << std::endl << std::endl; |
| 1805 | } |
| 1806 | |
| 1807 | return cadArea_actual.inArea(mouseCoord) && !cadArea_unprobed.inArea(mouseCoord); |
| 1808 | } |
| 1809 | |
| 1810 | void QG_GraphicView::deleteActionContext() const { |
| 1811 | delete m_actionContext; |
| 1812 | } |
| 1813 | |
| 1814 | /* |
| 1815 | Auto-pans the CAD area. |
| 1816 | - by Melwyn Francis Carlo <carlo.melwyn@outlook.com> |
| 1817 | */ |
| 1818 | void QG_GraphicView::autoPanStep() const { |
| 1819 | // skip first steps to avoid unintensional panning |
| 1820 | m_panData->delayCounter = std::min(++m_panData->delayCounter, m_panData->delayCounterMax); |
| 1821 | if (m_panData->delayCounter < m_panData->delayCounterMax) { |
| 1822 | return; |
| 1823 | } |
| 1824 | |
| 1825 | RS_DEBUGRS_Debug::instance()->print(RS_Debug::D_INFORMATIONAL, "%s(): Timer is ticking!", __func__); |
| 1826 | getViewPort()->zoomPan(m_panData->panOffset.x(), m_panData->panOffset.y()); |
| 1827 | } |
| 1828 | |
| 1829 | QString QG_GraphicView::obtainEntityDescription(RS_Entity* entity, const RS2::EntityDescriptionLevel shortDescription) { |
| 1830 | const LC_QuickInfoWidget* entityInfoWidget = QC_ApplicationWindow::getAppWindow()->getEntityInfoWidget(); |
| 1831 | if (entityInfoWidget != nullptr) { |
| 1832 | QString result = entityInfoWidget->getEntityDescription(entity, shortDescription); |
| 1833 | return result; |
| 1834 | } |
| 1835 | return ""; |
| 1836 | } |
| 1837 | |
| 1838 | void QG_GraphicView::ucsHighlightStep() { |
| 1839 | const auto overlayContainer = getViewPort()->getOverlaysDrawablesContainer(RS2::OverlayGraphics::ActionPreviewEntity); |
| 1840 | overlayContainer->clear(); |
| 1841 | if (m_ucsHighlightData->mayTick()) { |
| 1842 | if (m_ucsHighlightData->inVisiblePhase) { |
| 1843 | // note - potentially, here we may simply store data for custom ucs mark and create object in renderer.... |
| 1844 | // that will eliminate storing ucs mark settings in this class |
| 1845 | const auto ucsMark = new LC_OverlayUCSMark(m_ucsHighlightData->origin, m_ucsHighlightData->angle, m_ucsHighlightData->forWCS, |
| 1846 | m_ucsMarkOptions.get()); |
| 1847 | overlayContainer->add(ucsMark); |
| 1848 | } |
| 1849 | else { |
| 1850 | } |
| 1851 | } |
| 1852 | else { |
| 1853 | m_ucsHighlightData->stop(); |
| 1854 | // restore current view position; setOffsetAndFactor (not justSetOffsetAndFactor) |
| 1855 | // notifies, so the scrollbars resync and the drawing layer, not just the overlay, |
| 1856 | // is re-rendered (RedrawDrawing, not only RedrawOverlay as below) |
| 1857 | getViewPort()->setOffsetAndFactor(m_ucsHighlightData->savedViewOffset.x, m_ucsHighlightData->savedViewOffset.y, |
| 1858 | m_ucsHighlightData->savedViewFactor); |
| 1859 | } |
| 1860 | redraw(RS2::RedrawOverlay); |
| 1861 | update(); |
| 1862 | } |
| 1863 | |
| 1864 | void QG_GraphicView::highlightUCSLocation(LC_UCS* ucs) { |
| 1865 | if (ucs == nullptr) { |
| 1866 | return; |
| 1867 | } |
| 1868 | |
| 1869 | const auto viewport = getViewPort(); |
| 1870 | // save current view position |
| 1871 | m_ucsHighlightData->savedViewOffset.x = viewport->getOffsetX(); |
| 1872 | m_ucsHighlightData->savedViewOffset.y = viewport->getOffsetY(); |
| 1873 | m_ucsHighlightData->savedViewFactor = viewport->getFactor().x; |
| 1874 | |
| 1875 | const RS_Vector origin = ucs->getOrigin(); |
| 1876 | const double angle = ucs->getXAxisDirection(); |
| 1877 | |
| 1878 | // try to ensure that origin of UCS is visible if it's outside of visible part of drawing |
| 1879 | const double AXIS_SIZE = viewport->toUcsDX(20); // fixme - ucs - or toUcsX? |
| 1880 | viewport->zoomAutoEnsurePointsIncluded(origin, origin.relative(AXIS_SIZE, angle), origin.relative(AXIS_SIZE, angle + M_PI_21.57079632679489661923)); |
| 1881 | |
| 1882 | double uiOriginPointX = 0., uiOriginPointY = 0.; |
| 1883 | viewport->toUI(origin, uiOriginPointX, uiOriginPointY); |
| 1884 | |
| 1885 | const double ucsXAxisAngleInUCS = viewport->toUCSAngle(angle); |
| 1886 | |
| 1887 | m_ucsHighlightData->origin = RS_Vector(uiOriginPointX, uiOriginPointY); |
| 1888 | m_ucsHighlightData->angle = -ucsXAxisAngleInUCS; |
| 1889 | m_ucsHighlightData->forWCS = !ucs->isUCS(); |
| 1890 | const double timerInterval = m_ucsHighlightData->timerInterval; |
| 1891 | m_ucsHighlightData->start(timerInterval, *this); |
| 1892 | } |