Shamusworld >> Repos - architektonas/blob - src/applicationwindow.cpp

   1 //
   2 // applicationwindow.cpp: Architektonas
   3 //
   4 // Part of the Architektonas Project
   5 // (C) 2011 Underground Software
   6 // See the README and GPLv3 files for licensing and warranty information
   7 //
   8 // JLH = James Hammons <jlhamm@acm.org>
   9 //
  10 // Who  When        What
  11 // ---  ----------  ------------------------------------------------------------
  12 // JLH  03/22/2011  Created this file
  13 // JLH  09/29/2011  Added simple zoom in/out functionality
  14 // JLH  10/03/2011  Fixed zoom tool to zoom in/out from center of screen
  15 //
  16
  17 // FIXED:
  18 //
  19 //
  20 // STILL TO BE DONE:
  21 //
  22 //
  23
  24 // Uncomment this for debugging...
  25 //#define DEBUG
  26 //#define DEBUGFOO                      // Various tool debugging...
  27 //#define DEBUGTP                               // Toolpalette debugging...
  28
  29 #include "applicationwindow.h"
  30
  31 #include <QPrintPreviewDialog>
  32 #include "about.h"
  33 #include "blockwidget.h"
  34 #include "drawingview.h"
  35 #include "fileio.h"
  36 #include "generaltab.h"
  37 #include "global.h"
  38 #include "layerwidget.h"
  39 #include "objectwidget.h"
  40 #include "painter.h"
  41 #include "penwidget.h"
  42 #include "settingsdialog.h"
  43 #include "structs.h"
  44 #include "utils.h"
  45
  46 // Class variables
  47 DrawingView * ApplicationWindow::drawing;
  48
  49 ApplicationWindow::ApplicationWindow():
  50         baseUnitInput(new QLineEdit),
  51         dimensionSizeInput(new QLineEdit),
  52         settings("Underground Software", "Architektonas")
  53 {
  54         drawing = new DrawingView(this);
  55         drawing->setMouseTracking(true);                // We want *all* mouse events...!
  56         drawing->setFocusPolicy(Qt::StrongFocus);
  57         setCentralWidget(drawing);
  58
  59         aboutWin = new AboutWindow(this);
  60
  61 //      ((TTEdit *)qApp)->charWnd = new CharWindow(this);
  62
  63         setWindowIcon(QIcon(":/res/atns-icon.png"));
  64         setWindowTitle("Architektonas");
  65
  66         CreateActions();
  67         CreateMenus();
  68         CreateToolbars();
  69
  70         // Create Dock widgets
  71         QDockWidget * dock1 = new QDockWidget(tr("Layers"), this);
  72         LayerWidget * lw = new LayerWidget;
  73         dock1->setWidget(lw);
  74         addDockWidget(Qt::RightDockWidgetArea, dock1);
  75         QDockWidget * dock2 = new QDockWidget(tr("Blocks"), this);
  76         BlockWidget * bw = new BlockWidget;
  77         dock2->setWidget(bw);
  78         addDockWidget(Qt::RightDockWidgetArea, dock2);
  79         QDockWidget * dock3 = new QDockWidget(tr("Object"), this);
  80         ObjectWidget * ow = new ObjectWidget;
  81         dock3->setWidget(ow);
  82         addDockWidget(Qt::RightDockWidgetArea, dock3);
  83         // Needed for saveState()
  84         dock1->setObjectName("Layers");
  85         dock2->setObjectName("Blocks");
  86         dock3->setObjectName("Object");
  87
  88         // Create status bar
  89         zoomIndicator = new QLabel("Zoom: 100% Grid: 12.0\" BU: Inch");
  90         statusBar()->addPermanentWidget(zoomIndicator);
  91         statusBar()->showMessage(tr("Ready"));
  92
  93         ReadSettings();
  94         setUnifiedTitleAndToolBarOnMac(true);
  95         Global::font =  new QFont("Verdana", 15, QFont::Bold);
  96
  97         connect(lw, SIGNAL(LayerDeleted(int)), drawing, SLOT(DeleteCurrentLayer(int)));
  98         connect(lw, SIGNAL(LayerToggled()), drawing, SLOT(HandleLayerToggle()));
  99         connect(lw, SIGNAL(LayersSwapped(int, int)), drawing, SLOT(HandleLayerSwap(int, int)));
 100         connect(this, SIGNAL(ReloadLayers()), lw, SLOT(Reload()));
 101
 102         connect(drawing, SIGNAL(ObjectHovered(Object *)), ow, SLOT(ShowInfo(Object *)));
 103         connect(drawing, SIGNAL(NeedZoomUpdate()), this, SLOT(UpdateZoom()));
 104 }
 105
 106 void ApplicationWindow::closeEvent(QCloseEvent * event)
 107 {
 108         WriteSettings();
 109         event->accept();                // Use ignore() if can't close for some reason
 110         //Do we have a memory leak here if we don't delete the font in the Object???
 111 }
 112
 113 void ApplicationWindow::FileNew(void)
 114 {
 115         // Warn the user if drawing has changed and hasn't been saved...
 116         if (drawing->dirty)
 117         {
 118                 QMessageBox msg;
 119
 120                 msg.setText("The document has been modified.");
 121                 msg.setInformativeText("Do you want to save your changes?");
 122                 msg.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
 123                 msg.setDefaultButton(QMessageBox::Save);
 124                 int response = msg.exec();
 125
 126                 switch (response)
 127                 {
 128                 case QMessageBox::Save:
 129                         // Save was clicked
 130                         FileSave();
 131                         break;
 132                 case QMessageBox::Discard:
 133                         // Don't Save was clicked
 134                         break;
 135                 case QMessageBox::Cancel:
 136                         // Cancel was clicked
 137                         return;
 138 //                      break;
 139                 }
 140         }
 141
 142         FileIO::ResetLayerVectors();
 143         emit ReloadLayers();
 144         DeleteContents(drawing->document.objects);
 145         drawing->document.objects.clear();
 146         drawing->dirty = false;
 147         drawing->update();
 148         documentName.clear();
 149         setWindowTitle("Architektonas - Untitled");
 150         statusBar()->showMessage(tr("New drawing is ready."));
 151 }
 152
 153 void ApplicationWindow::FileOpen(void)
 154 {
 155         QString filename = QFileDialog::getOpenFileName(this, tr("Open Drawing"),
 156                 "", tr("Architektonas files (*.drawing)"));
 157
 158         // User cancelled open
 159         if (filename.isEmpty())
 160                 return;
 161
 162         FILE * file = fopen(filename.toUtf8().data(), "r");
 163
 164         if (file == 0)
 165         {
 166                 QMessageBox msg;
 167                 msg.setText(QString(tr("Could not open file \"%1\" for loading!")).arg(filename));
 168                 msg.setIcon(QMessageBox::Critical);
 169                 msg.exec();
 170                 return;
 171         }
 172
 173         Container container(true);      // Make sure it's a top level container...
 174         bool successful = FileIO::LoadAtnsFile(file, &container);
 175         fclose(file);
 176
 177         if (!successful)
 178         {
 179                 QMessageBox msg;
 180                 msg.setText(QString(tr("Could not load file \"%1\"!")).arg(filename));
 181                 msg.setIcon(QMessageBox::Critical);
 182                 msg.exec();
 183                 // Make sure to delete any hanging objects in the container...
 184                 DeleteContents(container.objects);
 185                 return;
 186         }
 187
 188 //printf("FileOpen: container size = %li\n", container.objects.size());
 189         // Keep memory leaks from happening by getting rid of the old document
 190         DeleteContents(drawing->document.objects);
 191         emit ReloadLayers();
 192         // We can do this because the vector is just a bunch of pointers to our
 193         // Objects, and the Containers (non-empty) can be moved this way with no
 194         // problem.
 195         drawing->document = container;
 196         drawing->dirty = false;
 197         drawing->update();
 198         documentName = filename;
 199         setWindowTitle(QString("Architektonas - %1").arg(documentName));
 200         statusBar()->showMessage(tr("Drawing loaded."));
 201 }
 202
 203 void ApplicationWindow::FileSave(void)
 204 {
 205         if (documentName.isEmpty())
 206                 documentName = QFileDialog::getSaveFileName(this, tr("Save Drawing"),
 207                         "", tr("Architektonas drawings (*.drawing)"));
 208
 209         FILE * file = fopen(documentName.toUtf8().data(), "w");
 210
 211         if (file == 0)
 212         {
 213                 QMessageBox msg;
 214                 msg.setText(QString(tr("Could not open file \"%1\" for saving!")).arg(documentName));
 215                 msg.setIcon(QMessageBox::Critical);
 216                 msg.exec();
 217                 return;
 218         }
 219
 220         bool successful = FileIO::SaveAtnsFile(file, &drawing->document);
 221         fclose(file);
 222
 223         if (!successful)
 224         {
 225                 QMessageBox msg;
 226                 msg.setText(QString(tr("Could not save file \"%1\"!")).arg(documentName));
 227                 msg.setIcon(QMessageBox::Critical);
 228                 msg.exec();
 229                 // In this case, we should unlink the created file, since it's not
 230                 // right...
 231 //              unlink(documentName.toUtf8().data());
 232                 QFile::remove(documentName);
 233                 return;
 234         }
 235
 236         drawing->dirty = false;
 237         setWindowTitle(QString("Architektonas - %1").arg(documentName));
 238         statusBar()->showMessage(tr("Drawing saved."));
 239 }
 240
 241 void ApplicationWindow::FileSaveAs(void)
 242 {
 243         QString filename = QFileDialog::getSaveFileName(this, tr("Save Drawing As"),
 244                 documentName, tr("Architektonas drawings (*.drawing)"));
 245
 246         if (!filename.isEmpty())
 247         {
 248                 documentName = filename;
 249                 FileSave();
 250         }
 251 }
 252
 253 void ApplicationWindow::PrintPreview(void)
 254 {
 255         QPrintPreviewDialog * dlg = new QPrintPreviewDialog(this);
 256
 257         connect(dlg, SIGNAL(paintRequested(QPrinter *)), this, SLOT(HandlePrintRequest(QPrinter *)));
 258
 259         dlg->exec();
 260 }
 261
 262 void ApplicationWindow::HandlePrintRequest(QPrinter * printer)
 263 {
 264         QPainter qtPainter(printer);
 265         Painter painter(&qtPainter);
 266
 267         // Save vars for screen
 268         Point originSave = Global::origin;
 269         double zoomSave = Global::zoom;
 270         Vector screenSizeSave = Global::screenSize;
 271
 272         // Adjust zoom + origin to fit the paper (or NxM pages if we have 'em)
 273         Rect r = drawing->GetObjectExtents((Object *)(&(drawing->document)));
 274
 275         QPageLayout pageLayout = printer->pageLayout();
 276         QRect pageRect = pageLayout.paintRectPixels(printer->resolution());
 277
 278         Global::origin = r.BottomLeft();
 279         Global::screenSize.x = pageRect.width();
 280         Global::screenSize.y = pageRect.height();
 281
 282         double xScale = (double)pageRect.width() / r.Width();
 283         double yScale = (double)pageRect.height() / r.Height();
 284         Global::zoom = qMin(xScale, yScale);
 285
 286         if (xScale < yScale)
 287                 Global::origin.y -= (((double)pageRect.height() / Global::zoom) - r.Height()) / 2.0;
 288         else
 289                 Global::origin.x -= (((double)pageRect.width() / Global::zoom) - r.Width()) / 2.0;
 290
 291         // Do object rendering...
 292         for(int i=0; i<Global::numLayers; i++)
 293                 drawing->RenderObjects(&painter, drawing->document.objects, i);
 294
 295         // Restore vars
 296         Global::origin = originSave;
 297         Global::zoom = zoomSave;
 298         Global::screenSize = screenSizeSave;
 299 }
 300
 301 void ApplicationWindow::contextMenuEvent(QContextMenuEvent * event)
 302 {
 303         QMenu menu(this);
 304         menu.addAction(mirrorAct);
 305         menu.addAction(rotateAct);
 306         menu.addAction(trimAct);
 307         menu.exec(event->globalPos());
 308 }
 309
 310 void ApplicationWindow::SnapToGridTool(void)
 311 {
 312         Global::snapToGrid = snapToGridAct->isChecked();
 313 }
 314
 315 void ApplicationWindow::FixAngle(void)
 316 {
 317         Global::fixedAngle = fixAngleAct->isChecked();
 318 }
 319
 320 void ApplicationWindow::FixLength(void)
 321 {
 322         Global::fixedLength = fixLengthAct->isChecked();
 323 }
 324
 325 void ApplicationWindow::DeleteTool(void)
 326 {
 327         // For this tool, we check first to see if anything is selected. If so, we
 328         // delete those and *don't* select the delete tool.
 329 //      if (drawing->numSelected > 0)
 330         if (drawing->select.size() > 0)
 331         {
 332                 DeleteSelectedObjects(drawing->document.objects);
 333                 drawing->update();
 334                 deleteAct->setChecked(false);
 335                 return;
 336         }
 337
 338         // Otherwise, toggle the state of the tool
 339         ClearUIToolStatesExcept(deleteAct);
 340         SetInternalToolStates();
 341 }
 342
 343 void ApplicationWindow::DimensionTool(void)
 344 {
 345         ClearUIToolStatesExcept(addDimensionAct);
 346         SetInternalToolStates();
 347 }
 348
 349 void ApplicationWindow::RotateTool(void)
 350 {
 351         ClearUIToolStatesExcept(rotateAct);
 352
 353         // Do tear-down if Rotate tool has been turned off
 354         if (!rotateAct->isChecked())
 355                 drawing->RotateHandler(ToolCleanup, Point(0, 0));
 356
 357         SetInternalToolStates();
 358 }
 359
 360 void ApplicationWindow::MirrorTool(void)
 361 {
 362         ClearUIToolStatesExcept(mirrorAct);
 363
 364         // Do tear-down if Rotate tool has been turned off
 365         if (!mirrorAct->isChecked())
 366                 drawing->MirrorHandler(ToolCleanup, Point(0, 0));
 367
 368         SetInternalToolStates();
 369 }
 370
 371 void ApplicationWindow::TrimTool(void)
 372 {
 373         ClearUIToolStatesExcept(trimAct);
 374         SetInternalToolStates();
 375 }
 376
 377 void ApplicationWindow::TriangulateTool(void)
 378 {
 379         ClearUIToolStatesExcept(triangulateAct);
 380         SetInternalToolStates();
 381 }
 382
 383 void ApplicationWindow::AddLineTool(void)
 384 {
 385         ClearUIToolStatesExcept(addLineAct);
 386         SetInternalToolStates();
 387 }
 388
 389 void ApplicationWindow::AddCircleTool(void)
 390 {
 391         ClearUIToolStatesExcept(addCircleAct);
 392         SetInternalToolStates();
 393 }
 394
 395 void ApplicationWindow::AddArcTool(void)
 396 {
 397         ClearUIToolStatesExcept(addArcAct);
 398         SetInternalToolStates();
 399 }
 400
 401 void ApplicationWindow::AddPolygonTool(void)
 402 {
 403         ClearUIToolStatesExcept(addPolygonAct);
 404         SetInternalToolStates();
 405 }
 406
 407 void ApplicationWindow::AddSplineTool(void)
 408 {
 409         ClearUIToolStatesExcept(addSplineAct);
 410         SetInternalToolStates();
 411 }
 412
 413 void ApplicationWindow::ZoomInTool(void)
 414 {
 415         double zoomFactor = 1.20;
 416         QSize size = drawing->size();
 417         Vector center = Painter::QtToCartesianCoords(Vector(size.width() / 2.0, size.height() / 2.0));
 418
 419         Global::origin = center - ((center - Global::origin) / zoomFactor);
 420         Global::zoom *= zoomFactor;
 421
 422         UpdateZoom();
 423 }
 424
 425 void ApplicationWindow::ZoomOutTool(void)
 426 {
 427         double zoomFactor = 1.20;
 428         QSize size = drawing->size();
 429         Vector center = Painter::QtToCartesianCoords(Vector(size.width() / 2.0, size.height() / 2.0));
 430
 431         Global::origin = center + ((Global::origin - center) * zoomFactor);
 432         Global::zoom /= zoomFactor;
 433
 434         UpdateZoom();
 435 }
 436
 437 void ApplicationWindow::UpdateZoom(void)
 438 {
 439         // And now, a bunch of heuristics to select the right grid size--autogrid!
 440         // :-P
 441         if (Global::zoom < 0.25)
 442                 Global::gridSpacing = 48.0;
 443         else if (Global::zoom >= 0.25 && Global::zoom < 0.50)
 444                 Global::gridSpacing = 36.0;
 445         else if (Global::zoom >= 0.50 && Global::zoom < 1.00)
 446                 Global::gridSpacing = 24.0;
 447         else if (Global::zoom >= 1.00 && Global::zoom < 2.00)
 448                 Global::gridSpacing = 12.0;
 449         else if (Global::zoom >= 2.00 && Global::zoom < 4.00)
 450                 Global::gridSpacing = 6.0;
 451         else if (Global::zoom >= 4.00 && Global::zoom < 8.00)
 452                 Global::gridSpacing = 3.0;
 453         else if (Global::zoom >= 8.00 && Global::zoom < 16.00)
 454                 Global::gridSpacing = 1.0;
 455         else if (Global::zoom >= 16.00 && Global::zoom < 32.00)
 456                 Global::gridSpacing = 0.5;
 457         else if (Global::zoom >= 32.00 && Global::zoom < 64.00)
 458                 Global::gridSpacing = 0.25;
 459         else if (Global::zoom >= 64.00 && Global::zoom < 128.00)
 460                 Global::gridSpacing = 0.125;
 461         else if (Global::zoom >= 128.00 && Global::zoom < 256.00)
 462                 Global::gridSpacing = 0.0625;
 463         else if (Global::zoom >= 256.00 && Global::zoom < 512.00)
 464                 Global::gridSpacing = 0.03125;
 465         else
 466                 Global::gridSpacing = 0.015625;
 467
 468 //      drawing->SetGridSize((double)(Global::gridSpacing * Global::zoom));
 469         drawing->update();
 470
 471         zoomIndicator->setText(QString("Zoom: %1% Grid: %2\" BU: Inch").arg(Global::zoom * 100.0).arg(Global::gridSpacing));
 472
 473         // This is the problem...  Changing this causes the state to update itself again, screwing up the origin...  !!! FIX !!! (commented out for now)
 474 //      baseUnitInput->setText(QString("%1").arg(Global::gridSpacing));
 475 }
 476
 477 void ApplicationWindow::ClearUIToolStatesExcept(QAction * exception)
 478 {
 479         QAction * actionList[] = {
 480                 addArcAct, addLineAct, addCircleAct, addDimensionAct, addPolygonAct,
 481                 addSplineAct, deleteAct, rotateAct, mirrorAct, trimAct,
 482                 triangulateAct, 0
 483         };
 484
 485         for(int i=0; actionList[i]!=0; i++)
 486         {
 487                 if (actionList[i] != exception)
 488                         actionList[i]->setChecked(false);
 489         }
 490 }
 491
 492 void ApplicationWindow::SetInternalToolStates(void)
 493 {
 494         // We can be sure that if we've come here, then either an active tool is
 495         // being deactivated, or a new tool is being created. In either case, the
 496         // old tool needs to be deleted.
 497         Global::toolState = TSNone;
 498
 499         if (addLineAct->isChecked())
 500                 Global::tool = TTLine;
 501         else if (addCircleAct->isChecked())
 502                 Global::tool = TTCircle;
 503         else if (addArcAct->isChecked())
 504                 Global::tool = TTArc;
 505         else if (addDimensionAct->isChecked())
 506                 Global::tool = TTDimension;
 507         else if (addSplineAct->isChecked())
 508                 Global::tool = TTSpline;
 509         else if (addPolygonAct->isChecked())
 510                 Global::tool = TTPolygon;
 511         else if (deleteAct->isChecked())
 512                 Global::tool = TTDelete;
 513         else if (mirrorAct->isChecked())
 514                 Global::tool = TTMirror;
 515         else if (rotateAct->isChecked())
 516                 Global::tool = TTRotate;
 517         else if (trimAct->isChecked())
 518                 Global::tool = TTTrim;
 519         else if (triangulateAct->isChecked())
 520                 Global::tool = TTTriangulate;
 521         else
 522                 Global::tool = TTNone;
 523
 524         drawing->update();
 525 }
 526
 527 void ApplicationWindow::HelpAbout(void)
 528 {
 529         aboutWin->show();
 530 }
 531
 532 void ApplicationWindow::Settings(void)
 533 {
 534         SettingsDialog dlg(this);
 535         dlg.generalTab->antialiasChk->setChecked(drawing->useAntialiasing);
 536
 537         if (dlg.exec() == false)
 538                 return;
 539
 540         // Deal with stuff here (since user hit "OK" button...)
 541         drawing->useAntialiasing = dlg.generalTab->antialiasChk->isChecked();
 542         WriteSettings();
 543 }
 544
 545 //
 546 // Group a bunch of selected objects (which can include other groups) together
 547 // or ungroup a selected group.
 548 //
 549 void ApplicationWindow::HandleGrouping(void)
 550 {
 551         int numSelected = drawing->select.size();
 552
 553         // If nothing selected, do nothing
 554         if (numSelected == 0)
 555         {
 556                 statusBar()->showMessage(tr("No objects selected to make a group from."));
 557                 return;
 558         }
 559
 560         // If it's a group that's selected, ungroup it and leave the objects in a
 561         // selected state
 562         if (numSelected == 1)
 563         {
 564                 Object * obj = (Object *)drawing->select[0];
 565
 566                 if (obj->type != OTContainer)
 567                 {
 568                         statusBar()->showMessage(tr("A group requires two or more selected objects."));
 569                         return;
 570                 }
 571
 572                 // Need the parent of the group, we're assuming here that the parent is
 573                 // the drawing's document. Does it matter? Maybe...
 574                 // Could just stipulate that grouping like this only takes place where
 575                 // the parent of the group is the drawing's document. Makes life much
 576                 // simpler.
 577                 Container * c = (Container *)obj;
 578                 SelectAll(c->objects);
 579                 RemoveSelectedObjects(drawing->document.objects);
 580                 AddObjectsTo(drawing->document.objects, c->objects);
 581                 drawing->select.clear();
 582                 AddObjectsTo(drawing->select, c->objects);
 583                 delete c;
 584                 statusBar()->showMessage(tr("Objects ungrouped."));
 585 //printf("Ungroup: document size = %li\n", drawing->document.objects.size());
 586         }
 587         // Otherwise, if it's a group of 2 or more objects (which can be groups too)
 588         // group them and select the group
 589         else if (numSelected > 1)
 590         {
 591                 Container * c = new Container();
 592                 MoveSelectedObjectsTo(c->objects, drawing->document.objects);
 593                 drawing->document.objects.push_back(c);
 594                 ClearSelected(c->objects);
 595                 c->selected = true;
 596                 c->layer = Global::activeLayer;
 597
 598                 Rect r = drawing->GetObjectExtents((Object *)c);
 599                 c->p[0] = r.TopLeft();
 600                 c->p[1] = r.BottomRight();
 601
 602                 drawing->select.clear();
 603                 drawing->select.push_back(c);
 604                 statusBar()->showMessage(QString(tr("Grouped %1 objects.")).arg(numSelected));
 605 //printf("Group: document size = %li\n", drawing->document.objects.size());
 606         }
 607
 608         drawing->update();
 609 }
 610
 611 void ApplicationWindow::HandleConnection(void)
 612 {
 613 #if 0
 614 //double tt = Geometry::ParameterOfLineAndPoint(Vector(0, 0), Vector(10, 0), Vector(8, 2));
 615 //printf("Parameter of point @ (8,2) of line (0,0), (10,0): %lf\n", tt);
 616         int itemsSelected = drawing->document.ItemsSelected();
 617
 618         // If nothing selected, do nothing
 619         if (itemsSelected == 0)
 620         {
 621                 statusBar()->showMessage(tr("No objects selected to connect."));
 622                 return;
 623         }
 624
 625         // If one thing selected, do nothing
 626         if (itemsSelected == 1)
 627         {
 628                 statusBar()->showMessage(tr("Nothing to connect object to."));
 629                 return;
 630         }
 631
 632         // This is O(n^2 / 2) :-P
 633         for(int i=0; i<itemsSelected; i++)
 634         {
 635                 Object * obj1 = drawing->document.SelectedItem(i);
 636
 637                 for(int j=i+1; j<itemsSelected; j++)
 638                 {
 639                         Object * obj2 = drawing->document.SelectedItem(j);
 640                         double t, u, v, w;
 641
 642 //                      if ((obj1->type != OTLine) || (obj2->type != OTLine))
 643 //                              continue;
 644
 645                         if ((obj1->type == OTLine) && (obj2->type == OTLine))
 646                         {
 647 //printf("Testing objects for intersection (%X, %X)...\n", obj1, obj2);
 648                                 int intersects = Geometry::Intersects((Line *)obj1, (Line *)obj2, &t, &u);
 649 //printf("  (%s) --> t=%lf, u=%lf\n", (intersects ? "true" : "FALSE"), t, u);
 650
 651                                 if (intersects)
 652                                 {
 653         //printf("Connecting objects (%X, %X)...\n", obj1, obj2);
 654                                         obj1->Connect(obj2, u);
 655                                         obj2->Connect(obj1, t);
 656                                 }
 657                         }
 658                         else if (((obj1->type == OTLine) && (obj2->type == OTDimension))
 659                                 || ((obj2->type == OTLine) && (obj1->type == OTDimension)))
 660                         {
 661 printf("Testing Line<->Dimension intersection...\n");
 662                                 Line * line = (Line *)(obj1->type == OTLine ? obj1 : obj2);
 663                                 Dimension * dim = (Dimension *)(obj1->type == OTDimension ? obj1 : obj2);
 664
 665                                 int intersects = Geometry::Intersects(line, dim, &t, &u);
 666 printf("   -> intersects = %i, t=%lf, u=%lf\n", intersects, t, u);
 667
 668                                 if (intersects)
 669                                 {
 670                                         obj1->Connect(obj2, u);
 671                                         obj2->Connect(obj1, t);
 672                                 }
 673                         }
 674                 }
 675         }
 676 #else
 677 #endif
 678 }
 679
 680 void ApplicationWindow::HandleDisconnection(void)
 681 {
 682 }
 683
 684 void ApplicationWindow::HandleGridSizeInPixels(int /*size*/)
 685 {
 686 //      drawing->SetGridSize((uint32_t)size);
 687         drawing->update();
 688 }
 689
 690 void ApplicationWindow::HandleGridSizeInBaseUnits(QString text)
 691 {
 692         // Parse the text...
 693         bool ok;
 694         double value = text.toDouble(&ok);
 695
 696         // Nothing parsable to a double, so quit...
 697         if (!ok || value == 0)
 698                 return;
 699
 700 //      drawing->gridSpacing = value;
 701 //      Painter::zoom = drawing->gridPixels / drawing->gridSpacing;
 702         Global::gridSpacing = value;
 703         Global::zoom = drawing->gridPixels / Global::gridSpacing;
 704 //      drawing->UpdateGridBackground();
 705         drawing->update();
 706 }
 707
 708 void ApplicationWindow::HandleDimensionSize(QString text)
 709 {
 710 /*
 711 This is the third input on the view toolbar; not sure what it was supposed to do... (resize all dimensions in the drawing?)
 712 */
 713         // Parse the text...
 714         bool ok;
 715         double value = text.toDouble(&ok);
 716
 717         // Nothing parsable to a double, so quit...
 718         if (!ok || value == 0)
 719                 return;
 720
 721 //      drawing->document.ResizeAllDimensions(value);
 722         drawing->update();
 723 }
 724
 725 void ApplicationWindow::EditCopy(void)
 726 {
 727         if (drawing->select.size() > 0)
 728         {
 729                 DeleteContents(clipboard);
 730                 clipboard = CopySelectedObjects(drawing->document.objects);
 731         }
 732 }
 733
 734 void ApplicationWindow::EditCut(void)
 735 {
 736         if (drawing->select.size() > 0)
 737         {
 738                 DeleteContents(clipboard);
 739                 clipboard = MoveSelectedObjectsFrom(drawing->document.objects);
 740                 drawing->update();
 741         }
 742 }
 743
 744 void ApplicationWindow::EditPaste(void)
 745 {
 746         if (clipboard.size() > 0)
 747         {
 748                 // We want to maybe make it so that the pasted objects are being moved in a "mouse drag" state...
 749                 ClearSelected(drawing->document.objects);
 750                 SelectAll(clipboard);
 751                 drawing->document.Add(CopyObjects(clipboard));
 752                 drawing->update();
 753         }
 754 }
 755
 756 //
 757 // Select all *visible* objects.  If an object is on a layer that is not
 758 // visible, skip it.
 759 //
 760 void ApplicationWindow::SelectAllObjects(void)
 761 {
 762         // Set object's state & update the drawing
 763         SelectAll(drawing->document.objects);
 764         drawing->update();
 765 }
 766
 767 void ApplicationWindow::CreateActions(void)
 768 {
 769         exitAct = CreateAction(tr("&Quit"), tr("Quit"), tr("Exits the application."),
 770                 QIcon(":/res/quit.png"), QKeySequence(tr("Ctrl+q")));
 771         connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
 772
 773         snapToGridAct = CreateAction(tr("Snap To &Grid"), tr("Snap To Grid"), tr("Snaps mouse cursor to the visible grid when moving/creating objects."), QIcon(":/res/snap-to-grid-tool.png"), QKeySequence(tr("S")), true);
 774         connect(snapToGridAct, SIGNAL(triggered()), this, SLOT(SnapToGridTool()));
 775
 776         fixAngleAct = CreateAction(tr("Fix &Angle"), tr("Fix Angle"), tr("Fixes the angle of an object."),
 777                 QIcon(":/res/fix-angle.png"), QKeySequence(tr("F,A")), true);
 778         connect(fixAngleAct, SIGNAL(triggered()), this, SLOT(FixAngle()));
 779
 780         fixLengthAct = CreateAction(tr("Fix &Length"), tr("Fix Length"), tr("Fixes the length of an object."),
 781                 QIcon(":/res/fix-length.png"), QKeySequence(tr("F,L")), true);
 782         connect(fixLengthAct, SIGNAL(triggered()), this, SLOT(FixLength()));
 783
 784         deleteAct = CreateAction(tr("&Delete"), tr("Delete Object"), tr("Deletes selected objects."), QIcon(":/res/delete-tool.png"), QKeySequence(tr("Delete")), true);
 785         connect(deleteAct, SIGNAL(triggered()), this, SLOT(DeleteTool()));
 786
 787         addDimensionAct = CreateAction(tr("Add &Dimension"), tr("Add Dimension"), tr("Adds a dimension to the drawing."), QIcon(":/res/dimension-tool.png"), QKeySequence("D,I"), true);
 788         connect(addDimensionAct, SIGNAL(triggered()), this, SLOT(DimensionTool()));
 789
 790         addLineAct = CreateAction(tr("Add &Line"), tr("Add Line"), tr("Adds lines to the drawing."), QIcon(":/res/add-line-tool.png"), QKeySequence("A,L"), true);
 791         connect(addLineAct, SIGNAL(triggered()), this, SLOT(AddLineTool()));
 792
 793         addCircleAct = CreateAction(tr("Add &Circle"), tr("Add Circle"), tr("Adds circles to the drawing."), QIcon(":/res/add-circle-tool.png"), QKeySequence("A,C"), true);
 794         connect(addCircleAct, SIGNAL(triggered()), this, SLOT(AddCircleTool()));
 795
 796         addArcAct = CreateAction(tr("Add &Arc"), tr("Add Arc"), tr("Adds arcs to the drawing."), QIcon(":/res/add-arc-tool.png"), QKeySequence("A,A"), true);
 797         connect(addArcAct, SIGNAL(triggered()), this, SLOT(AddArcTool()));
 798
 799         addPolygonAct = CreateAction(tr("Add &Polygon"), tr("Add Polygon"), tr("Add polygons to the drawing."), QIcon(":/res/add-polygon-tool.png"), QKeySequence("A,P"), true);
 800         connect(addPolygonAct, SIGNAL(triggered()), this, SLOT(AddPolygonTool()));
 801
 802         addSplineAct = CreateAction(tr("Add &Spline"), tr("Add Spline"), tr("Add a NURB spline to the drawing."), QIcon(":/res/add-spline-tool.png"), QKeySequence("A,S"), true);
 803         connect(addSplineAct, SIGNAL(triggered()), this, SLOT(AddSplineTool()));
 804
 805         aboutAct = CreateAction(tr("About &Architektonas"), tr("About Architektonas"), tr("Gives information about this program."), QIcon(":/res/generic-tool.png"), QKeySequence());
 806         connect(aboutAct, SIGNAL(triggered()), this, SLOT(HelpAbout()));
 807
 808         rotateAct = CreateAction(tr("&Rotate Objects"), tr("Rotate"), tr("Rotate object(s) around an arbitrary center."), QIcon(":/res/rotate-tool.png"), QKeySequence(tr("R,O")), true);
 809         connect(rotateAct, SIGNAL(triggered()), this, SLOT(RotateTool()));
 810
 811         zoomInAct = CreateAction(tr("Zoom &In"), tr("Zoom In"), tr("Zoom in on the document."), QIcon(":/res/zoom-in.png"), QKeySequence(tr("+")), QKeySequence(tr("=")));
 812         connect(zoomInAct, SIGNAL(triggered()), this, SLOT(ZoomInTool()));
 813
 814         zoomOutAct = CreateAction(tr("Zoom &Out"), tr("Zoom Out"), tr("Zoom out of the document."), QIcon(":/res/zoom-out.png"), QKeySequence(tr("-")));
 815         connect(zoomOutAct, SIGNAL(triggered()), this, SLOT(ZoomOutTool()));
 816
 817         fileNewAct = CreateAction(tr("&New Drawing"), tr("New Drawing"), tr("Creates a new drawing."), QIcon(":/res/file-new.png"), QKeySequence(tr("Ctrl+n")));
 818         connect(fileNewAct, SIGNAL(triggered()), this, SLOT(FileNew()));
 819
 820         fileOpenAct = CreateAction(tr("&Open Drawing"), tr("Open Drawing"), tr("Opens an existing drawing from a file."), QIcon(":/res/file-open.png"), QKeySequence(tr("Ctrl+o")));
 821         connect(fileOpenAct, SIGNAL(triggered()), this, SLOT(FileOpen()));
 822
 823         fileSaveAct = CreateAction(tr("&Save Drawing"), tr("Save Drawing"), tr("Saves the current drawing to a file."), QIcon(":/res/file-save.png"), QKeySequence(tr("Ctrl+s")));
 824         connect(fileSaveAct, SIGNAL(triggered()), this, SLOT(FileSave()));
 825
 826         fileSaveAsAct = CreateAction(tr("Save Drawing &As"), tr("Save As"), tr("Saves the current drawing to a file with a different name."), QIcon(":/res/file-save-as.png"), QKeySequence(tr("Ctrl+Shift+s")));
 827         connect(fileSaveAsAct, SIGNAL(triggered()), this, SLOT(FileSaveAs()));
 828
 829         fileCloseAct = CreateAction(tr("&Close Drawing"), tr("Close Drawing"), tr("Closes the current drawing."), QIcon(":/res/file-close.png"), QKeySequence(tr("Ctrl+w")));
 830
 831         settingsAct = CreateAction(tr("&Settings"), tr("Settings"), tr("Change certain defaults for Architektonas."), QIcon(":/res/settings.png"), QKeySequence());
 832         connect(settingsAct, SIGNAL(triggered()), this, SLOT(Settings()));
 833
 834         groupAct = CreateAction(tr("&Group"), tr("Group"), tr("Group/ungroup selected objects."), QIcon(":/res/group-tool.png"), QKeySequence("g"));
 835         connect(groupAct, SIGNAL(triggered()), this, SLOT(HandleGrouping()));
 836
 837         connectAct = CreateAction(tr("&Connect"), tr("Connect"), tr("Connect objects at point."), QIcon(":/res/connect-tool.png"), QKeySequence("c,c"));
 838         connect(connectAct, SIGNAL(triggered()), this, SLOT(HandleConnection()));
 839
 840         disconnectAct = CreateAction(tr("&Disconnect"), tr("Disconnect"), tr("Disconnect objects joined at point."), QIcon(":/res/disconnect-tool.png"), QKeySequence("d,d"));
 841         connect(disconnectAct, SIGNAL(triggered()), this, SLOT(HandleDisconnection()));
 842
 843         mirrorAct = CreateAction(tr("&Mirror"), tr("Mirror"), tr("Mirror selected objects around a line."), QIcon(":/res/mirror-tool.png"), QKeySequence("m,i"), true);
 844         connect(mirrorAct, SIGNAL(triggered()), this, SLOT(MirrorTool()));
 845
 846         trimAct = CreateAction(tr("&Trim"), tr("Trim"), tr("Trim extraneous lines from selected objects."), QIcon(":/res/trim-tool.png"), QKeySequence("t,r"), true);
 847         connect(trimAct, SIGNAL(triggered()), this, SLOT(TrimTool()));
 848
 849         triangulateAct = CreateAction(tr("&Triangulate"), tr("Triangulate"), tr("Make triangles from selected lines, preserving their lengths."), QIcon(":/res/triangulate-tool.png"), QKeySequence("t,g"), true);
 850         connect(triangulateAct, SIGNAL(triggered()), this, SLOT(TriangulateTool()));
 851
 852         editCutAct = CreateAction(tr("&Cut Objects"), tr("Cut Objects"), tr("Cut objects from the drawing to the clipboard."), QIcon(":/res/editcut2.png"), QKeySequence(tr("Ctrl+x")));
 853         connect(editCutAct, SIGNAL(triggered()), this, SLOT(EditCut()));
 854
 855         editCopyAct = CreateAction(tr("&Copy Objects"), tr("Copy Objects"), tr("Copy objects from the drawing to the clipboard."), QIcon(":/res/editcopy2.png"), QKeySequence(tr("Ctrl+c")));
 856         connect(editCopyAct, SIGNAL(triggered()), this, SLOT(EditCopy()));
 857
 858         editPasteAct = CreateAction(tr("&Paste Objects"), tr("Paste Objects"), tr("Paste objects from the clipboard to the drawing."), QIcon(":/res/editpaste2.png"), QKeySequence(tr("Ctrl+v")));
 859         connect(editPasteAct, SIGNAL(triggered()), this, SLOT(EditPaste()));
 860
 861         selectAllAct = CreateAction(tr("Select &All"), tr("Select All Objects"), tr("Select all objects in the drawing."), QIcon(), QKeySequence(tr("Ctrl+a")));
 862         connect(selectAllAct, SIGNAL(triggered()), this, SLOT(SelectAllObjects()));
 863
 864         printPreviewAct = CreateAction(tr("&Print Preview"), tr("Print Preview"), tr("Shows preview of printing operation."), QIcon(":/res/print-preview.png"), QKeySequence(tr("Ctrl+p")));
 865         connect(printPreviewAct, SIGNAL(triggered()), this, SLOT(PrintPreview()));
 866
 867 //Hm. I think we'll have to have separate logic to do the "Radio Group Toolbar" thing...
 868 // Yup, in order to turn them off, we'd have to have an "OFF" toolbar button. Ick.
 869 /*      QActionGroup * group = new QActionGroup(this);
 870         group->addAction(deleteAct);
 871         group->addAction(addDimensionAct);
 872         group->addAction(addLineAct);
 873         group->addAction(addCircleAct);
 874         group->addAction(addArcAct);//*/
 875 }
 876
 877 //
 878 // Consolidates action creation from a multi-step process to a single-step one.
 879 //
 880 QAction * ApplicationWindow::CreateAction(QString name, QString tooltip,
 881         QString statustip, QIcon icon, QKeySequence key, bool checkable/*= false*/)
 882 {
 883         QAction * action = new QAction(icon, name, this);
 884         action->setToolTip(tooltip);
 885         action->setStatusTip(statustip);
 886         action->setShortcut(key);
 887         action->setCheckable(checkable);
 888
 889         return action;
 890 }
 891
 892 //
 893 // This is essentially the same as the previous function, but this allows more
 894 // than one key sequence to be added as key shortcuts.
 895 //
 896 QAction * ApplicationWindow::CreateAction(QString name, QString tooltip,
 897         QString statustip, QIcon icon, QKeySequence key1, QKeySequence key2,
 898         bool checkable/*= false*/)
 899 {
 900         QAction * action = new QAction(icon, name, this);
 901         action->setToolTip(tooltip);
 902         action->setStatusTip(statustip);
 903         QList<QKeySequence> keyList;
 904         keyList.append(key1);
 905         keyList.append(key2);
 906         action->setShortcuts(keyList);
 907         action->setCheckable(checkable);
 908
 909         return action;
 910 }
 911
 912 void ApplicationWindow::CreateMenus(void)
 913 {
 914         QMenu * menu = menuBar()->addMenu(tr("&File"));
 915         menu->addAction(fileNewAct);
 916         menu->addAction(fileOpenAct);
 917         menu->addAction(fileSaveAct);
 918         menu->addAction(fileSaveAsAct);
 919         menu->addAction(fileCloseAct);
 920         menu->addSeparator();
 921         menu->addAction(printPreviewAct);
 922         menu->addSeparator();
 923         menu->addAction(exitAct);
 924
 925         menu = menuBar()->addMenu(tr("&View"));
 926         menu->addAction(zoomInAct);
 927         menu->addAction(zoomOutAct);
 928
 929         menu = menuBar()->addMenu(tr("&Edit"));
 930         menu->addAction(snapToGridAct);
 931         menu->addAction(groupAct);
 932         menu->addAction(fixAngleAct);
 933         menu->addAction(fixLengthAct);
 934         menu->addAction(rotateAct);
 935         menu->addAction(mirrorAct);
 936         menu->addAction(trimAct);
 937         menu->addAction(triangulateAct);
 938         menu->addAction(connectAct);
 939         menu->addAction(disconnectAct);
 940         menu->addSeparator();
 941         menu->addAction(selectAllAct);
 942         menu->addAction(editCutAct);
 943         menu->addAction(editCopyAct);
 944         menu->addAction(editPasteAct);
 945         menu->addAction(deleteAct);
 946         menu->addSeparator();
 947         menu->addAction(addLineAct);
 948         menu->addAction(addCircleAct);
 949         menu->addAction(addArcAct);
 950         menu->addAction(addPolygonAct);
 951         menu->addAction(addSplineAct);
 952         menu->addAction(addDimensionAct);
 953         menu->addSeparator();
 954         menu->addAction(settingsAct);
 955
 956         menu = menuBar()->addMenu(tr("&Help"));
 957         menu->addAction(aboutAct);
 958 }
 959
 960 void ApplicationWindow::CreateToolbars(void)
 961 {
 962         QToolBar * toolbar = addToolBar(tr("File"));
 963         toolbar->setObjectName("File"); // Needed for saveState()
 964         toolbar->addAction(fileNewAct);
 965         toolbar->addAction(fileOpenAct);
 966         toolbar->addAction(fileSaveAct);
 967         toolbar->addAction(fileSaveAsAct);
 968         toolbar->addAction(fileCloseAct);
 969 //      toolbar->addAction(exitAct);
 970
 971         toolbar = addToolBar(tr("View"));
 972         toolbar->setObjectName("View");
 973         toolbar->addAction(zoomInAct);
 974         toolbar->addAction(zoomOutAct);
 975
 976         QSpinBox * spinbox = new QSpinBox;
 977         toolbar->addWidget(spinbox);
 978 //      QLineEdit * lineedit = new QLineEdit;
 979         toolbar->addWidget(baseUnitInput);
 980         toolbar->addWidget(dimensionSizeInput);
 981
 982         toolbar = addToolBar(tr("Edit"));
 983         toolbar->setObjectName("Edit");
 984         toolbar->addAction(snapToGridAct);
 985         toolbar->addAction(groupAct);
 986         toolbar->addAction(fixAngleAct);
 987         toolbar->addAction(fixLengthAct);
 988         toolbar->addAction(rotateAct);
 989         toolbar->addAction(mirrorAct);
 990         toolbar->addAction(trimAct);
 991         toolbar->addAction(triangulateAct);
 992         toolbar->addAction(editCutAct);
 993         toolbar->addAction(editCopyAct);
 994         toolbar->addAction(editPasteAct);
 995         toolbar->addAction(deleteAct);
 996         toolbar->addAction(connectAct);
 997         toolbar->addAction(disconnectAct);
 998         toolbar->addSeparator();
 999         toolbar->addAction(addLineAct);
1000         toolbar->addAction(addCircleAct);
1001         toolbar->addAction(addArcAct);
1002         toolbar->addAction(addPolygonAct);
1003         toolbar->addAction(addSplineAct);
1004         toolbar->addAction(addDimensionAct);
1005
1006         spinbox->setRange(4, 256);
1007         spinbox->setValue(12);
1008         baseUnitInput->setText("12");
1009         connect(spinbox, SIGNAL(valueChanged(int)), this, SLOT(HandleGridSizeInPixels(int)));
1010         connect(baseUnitInput, SIGNAL(textChanged(QString)), this, SLOT(HandleGridSizeInBaseUnits(QString)));
1011         connect(dimensionSizeInput, SIGNAL(textChanged(QString)), this, SLOT(HandleDimensionSize(QString)));
1012
1013         PenWidget * pw = new PenWidget();
1014         toolbar = addToolBar(tr("Pen"));
1015         toolbar->setObjectName(tr("Pen"));
1016         toolbar->addWidget(pw);
1017         connect(drawing, SIGNAL(ObjectSelected(Object *)), pw, SLOT(SetFields(Object *)));
1018         connect(pw, SIGNAL(WidthSelected(float)), drawing, SLOT(HandlePenWidth(float)));
1019         connect(pw, SIGNAL(StyleSelected(int)), drawing, SLOT(HandlePenStyle(int)));
1020         connect(pw, SIGNAL(ColorSelected(uint32_t)), drawing, SLOT(HandlePenColor(uint32_t)));
1021 //      connect(pw, SIGNAL(StampSelected(void)), drawing, SLOT(HandlePenStamp(QAction *)));
1022         connect(pw->tbStamp, SIGNAL(triggered(QAction *)), drawing, SLOT(HandlePenStamp(QAction *)));
1023         connect(pw->tbDropper, SIGNAL(triggered(QAction *)), drawing, SLOT(HandlePenDropper(QAction *)));
1024 }
1025
1026 void ApplicationWindow::ReadSettings(void)
1027 {
1028         QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint();
1029         QSize size = settings.value("size", QSize(400, 400)).toSize();
1030         drawing->useAntialiasing = settings.value("useAntialiasing", true).toBool();
1031         snapToGridAct->setChecked(settings.value("snapToGrid", true).toBool());
1032         resize(size);
1033         move(pos);
1034         restoreState(settings.value("windowState").toByteArray());
1035 }
1036
1037 void ApplicationWindow::WriteSettings(void)
1038 {
1039         settings.setValue("pos", pos());
1040         settings.setValue("size", size());
1041         settings.setValue("windowState", saveState());
1042         settings.setValue("useAntialiasing", drawing->useAntialiasing);
1043         settings.setValue("snapToGrid", snapToGridAct->isChecked());
1044 }