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         // Do object rendering...
 268         for(int i=0; i<Global::numLayers; i++)
 269         {
 270 //              if (Global::layerHidden[i] == false)
 271                 drawing->RenderObjects(&painter, drawing->document.objects, i);
 272         }
 273 }
 274
 275 void ApplicationWindow::contextMenuEvent(QContextMenuEvent * event)
 276 {
 277         QMenu menu(this);
 278         menu.addAction(mirrorAct);
 279         menu.addAction(rotateAct);
 280         menu.addAction(trimAct);
 281         menu.exec(event->globalPos());
 282 }
 283
 284 void ApplicationWindow::SnapToGridTool(void)
 285 {
 286         Global::snapToGrid = snapToGridAct->isChecked();
 287 }
 288
 289 void ApplicationWindow::FixAngle(void)
 290 {
 291         Global::fixedAngle = fixAngleAct->isChecked();
 292 }
 293
 294 void ApplicationWindow::FixLength(void)
 295 {
 296         Global::fixedLength = fixLengthAct->isChecked();
 297 }
 298
 299 void ApplicationWindow::DeleteTool(void)
 300 {
 301         // For this tool, we check first to see if anything is selected. If so, we
 302         // delete those and *don't* select the delete tool.
 303 //      if (drawing->numSelected > 0)
 304         if (drawing->select.size() > 0)
 305         {
 306                 DeleteSelectedObjects(drawing->document.objects);
 307                 drawing->update();
 308                 deleteAct->setChecked(false);
 309                 return;
 310         }
 311
 312         // Otherwise, toggle the state of the tool
 313         ClearUIToolStatesExcept(deleteAct);
 314         SetInternalToolStates();
 315 }
 316
 317 void ApplicationWindow::DimensionTool(void)
 318 {
 319         ClearUIToolStatesExcept(addDimensionAct);
 320         SetInternalToolStates();
 321 }
 322
 323 void ApplicationWindow::RotateTool(void)
 324 {
 325         ClearUIToolStatesExcept(rotateAct);
 326
 327         // Do tear-down if Rotate tool has been turned off
 328         if (!rotateAct->isChecked())
 329                 drawing->RotateHandler(ToolCleanup, Point(0, 0));
 330
 331         SetInternalToolStates();
 332 }
 333
 334 void ApplicationWindow::MirrorTool(void)
 335 {
 336         ClearUIToolStatesExcept(mirrorAct);
 337
 338         // Do tear-down if Rotate tool has been turned off
 339         if (!mirrorAct->isChecked())
 340                 drawing->MirrorHandler(ToolCleanup, Point(0, 0));
 341
 342         SetInternalToolStates();
 343 }
 344
 345 void ApplicationWindow::TrimTool(void)
 346 {
 347         ClearUIToolStatesExcept(trimAct);
 348         SetInternalToolStates();
 349 }
 350
 351 void ApplicationWindow::TriangulateTool(void)
 352 {
 353         ClearUIToolStatesExcept(triangulateAct);
 354         SetInternalToolStates();
 355 }
 356
 357 void ApplicationWindow::AddLineTool(void)
 358 {
 359         ClearUIToolStatesExcept(addLineAct);
 360         SetInternalToolStates();
 361 }
 362
 363 void ApplicationWindow::AddCircleTool(void)
 364 {
 365         ClearUIToolStatesExcept(addCircleAct);
 366         SetInternalToolStates();
 367 }
 368
 369 void ApplicationWindow::AddArcTool(void)
 370 {
 371         ClearUIToolStatesExcept(addArcAct);
 372         SetInternalToolStates();
 373 }
 374
 375 void ApplicationWindow::AddPolygonTool(void)
 376 {
 377         ClearUIToolStatesExcept(addPolygonAct);
 378         SetInternalToolStates();
 379 }
 380
 381 void ApplicationWindow::AddSplineTool(void)
 382 {
 383         ClearUIToolStatesExcept(addSplineAct);
 384         SetInternalToolStates();
 385 }
 386
 387 void ApplicationWindow::ZoomInTool(void)
 388 {
 389         double zoomFactor = 1.20;
 390         QSize size = drawing->size();
 391         Vector center = Painter::QtToCartesianCoords(Vector(size.width() / 2.0, size.height() / 2.0));
 392
 393         Global::origin = center - ((center - Global::origin) / zoomFactor);
 394         Global::zoom *= zoomFactor;
 395
 396         UpdateZoom();
 397 }
 398
 399 void ApplicationWindow::ZoomOutTool(void)
 400 {
 401         double zoomFactor = 1.20;
 402         QSize size = drawing->size();
 403         Vector center = Painter::QtToCartesianCoords(Vector(size.width() / 2.0, size.height() / 2.0));
 404
 405         Global::origin = center + ((Global::origin - center) * zoomFactor);
 406         Global::zoom /= zoomFactor;
 407
 408         UpdateZoom();
 409 }
 410
 411 void ApplicationWindow::UpdateZoom(void)
 412 {
 413         // And now, a bunch of heuristics to select the right grid size--autogrid!
 414         // :-P
 415         if (Global::zoom < 0.25)
 416                 Global::gridSpacing = 48.0;
 417         else if (Global::zoom >= 0.25 && Global::zoom < 0.50)
 418                 Global::gridSpacing = 36.0;
 419         else if (Global::zoom >= 0.50 && Global::zoom < 1.00)
 420                 Global::gridSpacing = 24.0;
 421         else if (Global::zoom >= 1.00 && Global::zoom < 2.00)
 422                 Global::gridSpacing = 12.0;
 423         else if (Global::zoom >= 2.00 && Global::zoom < 4.00)
 424                 Global::gridSpacing = 6.0;
 425         else if (Global::zoom >= 4.00 && Global::zoom < 8.00)
 426                 Global::gridSpacing = 3.0;
 427         else if (Global::zoom >= 8.00 && Global::zoom < 16.00)
 428                 Global::gridSpacing = 1.0;
 429         else if (Global::zoom >= 16.00 && Global::zoom < 32.00)
 430                 Global::gridSpacing = 0.5;
 431         else if (Global::zoom >= 32.00 && Global::zoom < 64.00)
 432                 Global::gridSpacing = 0.25;
 433         else if (Global::zoom >= 64.00 && Global::zoom < 128.00)
 434                 Global::gridSpacing = 0.125;
 435         else if (Global::zoom >= 128.00 && Global::zoom < 256.00)
 436                 Global::gridSpacing = 0.0625;
 437         else if (Global::zoom >= 256.00 && Global::zoom < 512.00)
 438                 Global::gridSpacing = 0.03125;
 439         else
 440                 Global::gridSpacing = 0.015625;
 441
 442 //      drawing->SetGridSize((double)(Global::gridSpacing * Global::zoom));
 443         drawing->update();
 444
 445         zoomIndicator->setText(QString("Zoom: %1% Grid: %2\" BU: Inch").arg(Global::zoom * 100.0).arg(Global::gridSpacing));
 446
 447         // This is the problem...  Changing this causes the state to update itself again, screwing up the origin...  !!! FIX !!! (commented out for now)
 448 //      baseUnitInput->setText(QString("%1").arg(Global::gridSpacing));
 449 }
 450
 451 void ApplicationWindow::ClearUIToolStatesExcept(QAction * exception)
 452 {
 453         QAction * actionList[] = {
 454                 addArcAct, addLineAct, addCircleAct, addDimensionAct, addPolygonAct,
 455                 addSplineAct, deleteAct, rotateAct, mirrorAct, trimAct,
 456                 triangulateAct, 0
 457         };
 458
 459         for(int i=0; actionList[i]!=0; i++)
 460         {
 461                 if (actionList[i] != exception)
 462                         actionList[i]->setChecked(false);
 463         }
 464 }
 465
 466 void ApplicationWindow::SetInternalToolStates(void)
 467 {
 468         // We can be sure that if we've come here, then either an active tool is
 469         // being deactivated, or a new tool is being created. In either case, the
 470         // old tool needs to be deleted.
 471         Global::toolState = TSNone;
 472
 473         if (addLineAct->isChecked())
 474                 Global::tool = TTLine;
 475         else if (addCircleAct->isChecked())
 476                 Global::tool = TTCircle;
 477         else if (addArcAct->isChecked())
 478                 Global::tool = TTArc;
 479         else if (addDimensionAct->isChecked())
 480                 Global::tool = TTDimension;
 481         else if (addSplineAct->isChecked())
 482                 Global::tool = TTSpline;
 483         else if (addPolygonAct->isChecked())
 484                 Global::tool = TTPolygon;
 485         else if (deleteAct->isChecked())
 486                 Global::tool = TTDelete;
 487         else if (mirrorAct->isChecked())
 488                 Global::tool = TTMirror;
 489         else if (rotateAct->isChecked())
 490                 Global::tool = TTRotate;
 491         else if (trimAct->isChecked())
 492                 Global::tool = TTTrim;
 493         else if (triangulateAct->isChecked())
 494                 Global::tool = TTTriangulate;
 495         else
 496                 Global::tool = TTNone;
 497
 498         drawing->update();
 499 }
 500
 501 void ApplicationWindow::HelpAbout(void)
 502 {
 503         aboutWin->show();
 504 }
 505
 506 void ApplicationWindow::Settings(void)
 507 {
 508         SettingsDialog dlg(this);
 509         dlg.generalTab->antialiasChk->setChecked(drawing->useAntialiasing);
 510
 511         if (dlg.exec() == false)
 512                 return;
 513
 514         // Deal with stuff here (since user hit "OK" button...)
 515         drawing->useAntialiasing = dlg.generalTab->antialiasChk->isChecked();
 516         WriteSettings();
 517 }
 518
 519 //
 520 // Group a bunch of selected objects (which can include other groups) together
 521 // or ungroup a selected group.
 522 //
 523 void ApplicationWindow::HandleGrouping(void)
 524 {
 525         int numSelected = drawing->select.size();
 526
 527         // If nothing selected, do nothing
 528         if (numSelected == 0)
 529         {
 530                 statusBar()->showMessage(tr("No objects selected to make a group from."));
 531                 return;
 532         }
 533
 534         // If it's a group that's selected, ungroup it and leave the objects in a
 535         // selected state
 536         if (numSelected == 1)
 537         {
 538                 Object * obj = (Object *)drawing->select[0];
 539
 540                 if (obj->type != OTContainer)
 541                 {
 542                         statusBar()->showMessage(tr("A group requires two or more selected objects."));
 543                         return;
 544                 }
 545
 546                 // Need the parent of the group, we're assuming here that the parent is
 547                 // the drawing's document. Does it matter? Maybe...
 548                 // Could just stipulate that grouping like this only takes place where
 549                 // the parent of the group is the drawing's document. Makes life much
 550                 // simpler.
 551                 Container * c = (Container *)obj;
 552                 SelectAll(c->objects);
 553                 RemoveSelectedObjects(drawing->document.objects);
 554                 AddObjectsTo(drawing->document.objects, c->objects);
 555                 drawing->select.clear();
 556                 AddObjectsTo(drawing->select, c->objects);
 557                 delete c;
 558                 statusBar()->showMessage(tr("Objects ungrouped."));
 559 //printf("Ungroup: document size = %li\n", drawing->document.objects.size());
 560         }
 561         // Otherwise, if it's a group of 2 or more objects (which can be groups too)
 562         // group them and select the group
 563         else if (numSelected > 1)
 564         {
 565                 Container * c = new Container();
 566                 MoveSelectedObjectsTo(c->objects, drawing->document.objects);
 567                 drawing->document.objects.push_back(c);
 568                 ClearSelected(c->objects);
 569                 c->selected = true;
 570                 c->layer = Global::activeLayer;
 571
 572                 Rect r = drawing->GetObjectExtents((Object *)c);
 573                 c->p[0] = r.TopLeft();
 574                 c->p[1] = r.BottomRight();
 575
 576                 drawing->select.clear();
 577                 drawing->select.push_back(c);
 578                 statusBar()->showMessage(QString(tr("Grouped %1 objects.")).arg(numSelected));
 579 //printf("Group: document size = %li\n", drawing->document.objects.size());
 580         }
 581
 582         drawing->update();
 583 }
 584
 585 void ApplicationWindow::HandleConnection(void)
 586 {
 587 #if 0
 588 //double tt = Geometry::ParameterOfLineAndPoint(Vector(0, 0), Vector(10, 0), Vector(8, 2));
 589 //printf("Parameter of point @ (8,2) of line (0,0), (10,0): %lf\n", tt);
 590         int itemsSelected = drawing->document.ItemsSelected();
 591
 592         // If nothing selected, do nothing
 593         if (itemsSelected == 0)
 594         {
 595                 statusBar()->showMessage(tr("No objects selected to connect."));
 596                 return;
 597         }
 598
 599         // If one thing selected, do nothing
 600         if (itemsSelected == 1)
 601         {
 602                 statusBar()->showMessage(tr("Nothing to connect object to."));
 603                 return;
 604         }
 605
 606         // This is O(n^2 / 2) :-P
 607         for(int i=0; i<itemsSelected; i++)
 608         {
 609                 Object * obj1 = drawing->document.SelectedItem(i);
 610
 611                 for(int j=i+1; j<itemsSelected; j++)
 612                 {
 613                         Object * obj2 = drawing->document.SelectedItem(j);
 614                         double t, u, v, w;
 615
 616 //                      if ((obj1->type != OTLine) || (obj2->type != OTLine))
 617 //                              continue;
 618
 619                         if ((obj1->type == OTLine) && (obj2->type == OTLine))
 620                         {
 621 //printf("Testing objects for intersection (%X, %X)...\n", obj1, obj2);
 622                                 int intersects = Geometry::Intersects((Line *)obj1, (Line *)obj2, &t, &u);
 623 //printf("  (%s) --> t=%lf, u=%lf\n", (intersects ? "true" : "FALSE"), t, u);
 624
 625                                 if (intersects)
 626                                 {
 627         //printf("Connecting objects (%X, %X)...\n", obj1, obj2);
 628                                         obj1->Connect(obj2, u);
 629                                         obj2->Connect(obj1, t);
 630                                 }
 631                         }
 632                         else if (((obj1->type == OTLine) && (obj2->type == OTDimension))
 633                                 || ((obj2->type == OTLine) && (obj1->type == OTDimension)))
 634                         {
 635 printf("Testing Line<->Dimension intersection...\n");
 636                                 Line * line = (Line *)(obj1->type == OTLine ? obj1 : obj2);
 637                                 Dimension * dim = (Dimension *)(obj1->type == OTDimension ? obj1 : obj2);
 638
 639                                 int intersects = Geometry::Intersects(line, dim, &t, &u);
 640 printf("   -> intersects = %i, t=%lf, u=%lf\n", intersects, t, u);
 641
 642                                 if (intersects)
 643                                 {
 644                                         obj1->Connect(obj2, u);
 645                                         obj2->Connect(obj1, t);
 646                                 }
 647                         }
 648                 }
 649         }
 650 #else
 651 #endif
 652 }
 653
 654 void ApplicationWindow::HandleDisconnection(void)
 655 {
 656 }
 657
 658 void ApplicationWindow::HandleGridSizeInPixels(int /*size*/)
 659 {
 660 //      drawing->SetGridSize((uint32_t)size);
 661         drawing->update();
 662 }
 663
 664 void ApplicationWindow::HandleGridSizeInBaseUnits(QString text)
 665 {
 666         // Parse the text...
 667         bool ok;
 668         double value = text.toDouble(&ok);
 669
 670         // Nothing parsable to a double, so quit...
 671         if (!ok || value == 0)
 672                 return;
 673
 674 //      drawing->gridSpacing = value;
 675 //      Painter::zoom = drawing->gridPixels / drawing->gridSpacing;
 676         Global::gridSpacing = value;
 677         Global::zoom = drawing->gridPixels / Global::gridSpacing;
 678 //      drawing->UpdateGridBackground();
 679         drawing->update();
 680 }
 681
 682 void ApplicationWindow::HandleDimensionSize(QString text)
 683 {
 684 /*
 685 This is the third input on the view toolbar; not sure what it was supposed to do... (resize all dimensions in the drawing?)
 686 */
 687         // Parse the text...
 688         bool ok;
 689         double value = text.toDouble(&ok);
 690
 691         // Nothing parsable to a double, so quit...
 692         if (!ok || value == 0)
 693                 return;
 694
 695 //      drawing->document.ResizeAllDimensions(value);
 696         drawing->update();
 697 }
 698
 699 void ApplicationWindow::EditCopy(void)
 700 {
 701         if (drawing->select.size() > 0)
 702         {
 703                 DeleteContents(clipboard);
 704                 clipboard = CopySelectedObjects(drawing->document.objects);
 705         }
 706 }
 707
 708 void ApplicationWindow::EditCut(void)
 709 {
 710         if (drawing->select.size() > 0)
 711         {
 712                 DeleteContents(clipboard);
 713                 clipboard = MoveSelectedObjectsFrom(drawing->document.objects);
 714                 drawing->update();
 715         }
 716 }
 717
 718 void ApplicationWindow::EditPaste(void)
 719 {
 720         if (clipboard.size() > 0)
 721         {
 722                 // We want to maybe make it so that the pasted objects are being moved in a "mouse drag" state...
 723                 ClearSelected(drawing->document.objects);
 724                 SelectAll(clipboard);
 725                 drawing->document.Add(CopyObjects(clipboard));
 726                 drawing->update();
 727         }
 728 }
 729
 730 //
 731 // Select all *visible* objects.  If an object is on a layer that is not
 732 // visible, skip it.
 733 //
 734 void ApplicationWindow::SelectAllObjects(void)
 735 {
 736         // Set object's state & update the drawing
 737         SelectAll(drawing->document.objects);
 738         drawing->update();
 739 }
 740
 741 void ApplicationWindow::CreateActions(void)
 742 {
 743         exitAct = CreateAction(tr("&Quit"), tr("Quit"), tr("Exits the application."),
 744                 QIcon(":/res/quit.png"), QKeySequence(tr("Ctrl+q")));
 745         connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
 746
 747         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);
 748         connect(snapToGridAct, SIGNAL(triggered()), this, SLOT(SnapToGridTool()));
 749
 750         fixAngleAct = CreateAction(tr("Fix &Angle"), tr("Fix Angle"), tr("Fixes the angle of an object."),
 751                 QIcon(":/res/fix-angle.png"), QKeySequence(tr("F,A")), true);
 752         connect(fixAngleAct, SIGNAL(triggered()), this, SLOT(FixAngle()));
 753
 754         fixLengthAct = CreateAction(tr("Fix &Length"), tr("Fix Length"), tr("Fixes the length of an object."),
 755                 QIcon(":/res/fix-length.png"), QKeySequence(tr("F,L")), true);
 756         connect(fixLengthAct, SIGNAL(triggered()), this, SLOT(FixLength()));
 757
 758         deleteAct = CreateAction(tr("&Delete"), tr("Delete Object"), tr("Deletes selected objects."), QIcon(":/res/delete-tool.png"), QKeySequence(tr("Delete")), true);
 759         connect(deleteAct, SIGNAL(triggered()), this, SLOT(DeleteTool()));
 760
 761         addDimensionAct = CreateAction(tr("Add &Dimension"), tr("Add Dimension"), tr("Adds a dimension to the drawing."), QIcon(":/res/dimension-tool.png"), QKeySequence("D,I"), true);
 762         connect(addDimensionAct, SIGNAL(triggered()), this, SLOT(DimensionTool()));
 763
 764         addLineAct = CreateAction(tr("Add &Line"), tr("Add Line"), tr("Adds lines to the drawing."), QIcon(":/res/add-line-tool.png"), QKeySequence("A,L"), true);
 765         connect(addLineAct, SIGNAL(triggered()), this, SLOT(AddLineTool()));
 766
 767         addCircleAct = CreateAction(tr("Add &Circle"), tr("Add Circle"), tr("Adds circles to the drawing."), QIcon(":/res/add-circle-tool.png"), QKeySequence("A,C"), true);
 768         connect(addCircleAct, SIGNAL(triggered()), this, SLOT(AddCircleTool()));
 769
 770         addArcAct = CreateAction(tr("Add &Arc"), tr("Add Arc"), tr("Adds arcs to the drawing."), QIcon(":/res/add-arc-tool.png"), QKeySequence("A,A"), true);
 771         connect(addArcAct, SIGNAL(triggered()), this, SLOT(AddArcTool()));
 772
 773         addPolygonAct = CreateAction(tr("Add &Polygon"), tr("Add Polygon"), tr("Add polygons to the drawing."), QIcon(":/res/add-polygon-tool.png"), QKeySequence("A,P"), true);
 774         connect(addPolygonAct, SIGNAL(triggered()), this, SLOT(AddPolygonTool()));
 775
 776         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);
 777         connect(addSplineAct, SIGNAL(triggered()), this, SLOT(AddSplineTool()));
 778
 779         aboutAct = CreateAction(tr("About &Architektonas"), tr("About Architektonas"), tr("Gives information about this program."), QIcon(":/res/generic-tool.png"), QKeySequence());
 780         connect(aboutAct, SIGNAL(triggered()), this, SLOT(HelpAbout()));
 781
 782         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);
 783         connect(rotateAct, SIGNAL(triggered()), this, SLOT(RotateTool()));
 784
 785         zoomInAct = CreateAction(tr("Zoom &In"), tr("Zoom In"), tr("Zoom in on the document."), QIcon(":/res/zoom-in.png"), QKeySequence(tr("+")), QKeySequence(tr("=")));
 786         connect(zoomInAct, SIGNAL(triggered()), this, SLOT(ZoomInTool()));
 787
 788         zoomOutAct = CreateAction(tr("Zoom &Out"), tr("Zoom Out"), tr("Zoom out of the document."), QIcon(":/res/zoom-out.png"), QKeySequence(tr("-")));
 789         connect(zoomOutAct, SIGNAL(triggered()), this, SLOT(ZoomOutTool()));
 790
 791         fileNewAct = CreateAction(tr("&New Drawing"), tr("New Drawing"), tr("Creates a new drawing."), QIcon(":/res/file-new.png"), QKeySequence(tr("Ctrl+n")));
 792         connect(fileNewAct, SIGNAL(triggered()), this, SLOT(FileNew()));
 793
 794         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")));
 795         connect(fileOpenAct, SIGNAL(triggered()), this, SLOT(FileOpen()));
 796
 797         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")));
 798         connect(fileSaveAct, SIGNAL(triggered()), this, SLOT(FileSave()));
 799
 800         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")));
 801         connect(fileSaveAsAct, SIGNAL(triggered()), this, SLOT(FileSaveAs()));
 802
 803         fileCloseAct = CreateAction(tr("&Close Drawing"), tr("Close Drawing"), tr("Closes the current drawing."), QIcon(":/res/file-close.png"), QKeySequence(tr("Ctrl+w")));
 804
 805         settingsAct = CreateAction(tr("&Settings"), tr("Settings"), tr("Change certain defaults for Architektonas."), QIcon(":/res/settings.png"), QKeySequence());
 806         connect(settingsAct, SIGNAL(triggered()), this, SLOT(Settings()));
 807
 808         groupAct = CreateAction(tr("&Group"), tr("Group"), tr("Group/ungroup selected objects."), QIcon(":/res/group-tool.png"), QKeySequence("g"));
 809         connect(groupAct, SIGNAL(triggered()), this, SLOT(HandleGrouping()));
 810
 811         connectAct = CreateAction(tr("&Connect"), tr("Connect"), tr("Connect objects at point."), QIcon(":/res/connect-tool.png"), QKeySequence("c,c"));
 812         connect(connectAct, SIGNAL(triggered()), this, SLOT(HandleConnection()));
 813
 814         disconnectAct = CreateAction(tr("&Disconnect"), tr("Disconnect"), tr("Disconnect objects joined at point."), QIcon(":/res/disconnect-tool.png"), QKeySequence("d,d"));
 815         connect(disconnectAct, SIGNAL(triggered()), this, SLOT(HandleDisconnection()));
 816
 817         mirrorAct = CreateAction(tr("&Mirror"), tr("Mirror"), tr("Mirror selected objects around a line."), QIcon(":/res/mirror-tool.png"), QKeySequence("m,i"), true);
 818         connect(mirrorAct, SIGNAL(triggered()), this, SLOT(MirrorTool()));
 819
 820         trimAct = CreateAction(tr("&Trim"), tr("Trim"), tr("Trim extraneous lines from selected objects."), QIcon(":/res/trim-tool.png"), QKeySequence("t,r"), true);
 821         connect(trimAct, SIGNAL(triggered()), this, SLOT(TrimTool()));
 822
 823         triangulateAct = CreateAction(tr("&Triangulate"), tr("Triangulate"), tr("Make triangles from selected lines, preserving their lengths."), QIcon(":/res/triangulate-tool.png"), QKeySequence("t,g"), true);
 824         connect(triangulateAct, SIGNAL(triggered()), this, SLOT(TriangulateTool()));
 825
 826         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")));
 827         connect(editCutAct, SIGNAL(triggered()), this, SLOT(EditCut()));
 828
 829         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")));
 830         connect(editCopyAct, SIGNAL(triggered()), this, SLOT(EditCopy()));
 831
 832         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")));
 833         connect(editPasteAct, SIGNAL(triggered()), this, SLOT(EditPaste()));
 834
 835         selectAllAct = CreateAction(tr("Select &All"), tr("Select All Objects"), tr("Select all objects in the drawing."), QIcon(), QKeySequence(tr("Ctrl+a")));
 836         connect(selectAllAct, SIGNAL(triggered()), this, SLOT(SelectAllObjects()));
 837
 838         printPreviewAct = CreateAction(tr("&Print Preview"), tr("Print Preview"), tr("Shows preview of printing operation."), QIcon(":/res/print-preview.png"), QKeySequence(tr("Ctrl+p")));
 839         connect(printPreviewAct, SIGNAL(triggered()), this, SLOT(PrintPreview()));
 840
 841 //Hm. I think we'll have to have separate logic to do the "Radio Group Toolbar" thing...
 842 // Yup, in order to turn them off, we'd have to have an "OFF" toolbar button. Ick.
 843 /*      QActionGroup * group = new QActionGroup(this);
 844         group->addAction(deleteAct);
 845         group->addAction(addDimensionAct);
 846         group->addAction(addLineAct);
 847         group->addAction(addCircleAct);
 848         group->addAction(addArcAct);//*/
 849 }
 850
 851 //
 852 // Consolidates action creation from a multi-step process to a single-step one.
 853 //
 854 QAction * ApplicationWindow::CreateAction(QString name, QString tooltip,
 855         QString statustip, QIcon icon, QKeySequence key, bool checkable/*= false*/)
 856 {
 857         QAction * action = new QAction(icon, name, this);
 858         action->setToolTip(tooltip);
 859         action->setStatusTip(statustip);
 860         action->setShortcut(key);
 861         action->setCheckable(checkable);
 862
 863         return action;
 864 }
 865
 866 //
 867 // This is essentially the same as the previous function, but this allows more
 868 // than one key sequence to be added as key shortcuts.
 869 //
 870 QAction * ApplicationWindow::CreateAction(QString name, QString tooltip,
 871         QString statustip, QIcon icon, QKeySequence key1, QKeySequence key2,
 872         bool checkable/*= false*/)
 873 {
 874         QAction * action = new QAction(icon, name, this);
 875         action->setToolTip(tooltip);
 876         action->setStatusTip(statustip);
 877         QList<QKeySequence> keyList;
 878         keyList.append(key1);
 879         keyList.append(key2);
 880         action->setShortcuts(keyList);
 881         action->setCheckable(checkable);
 882
 883         return action;
 884 }
 885
 886 void ApplicationWindow::CreateMenus(void)
 887 {
 888         QMenu * menu = menuBar()->addMenu(tr("&File"));
 889         menu->addAction(fileNewAct);
 890         menu->addAction(fileOpenAct);
 891         menu->addAction(fileSaveAct);
 892         menu->addAction(fileSaveAsAct);
 893         menu->addAction(fileCloseAct);
 894         menu->addSeparator();
 895         menu->addAction(printPreviewAct);
 896         menu->addSeparator();
 897         menu->addAction(exitAct);
 898
 899         menu = menuBar()->addMenu(tr("&View"));
 900         menu->addAction(zoomInAct);
 901         menu->addAction(zoomOutAct);
 902
 903         menu = menuBar()->addMenu(tr("&Edit"));
 904         menu->addAction(snapToGridAct);
 905         menu->addAction(groupAct);
 906         menu->addAction(fixAngleAct);
 907         menu->addAction(fixLengthAct);
 908         menu->addAction(rotateAct);
 909         menu->addAction(mirrorAct);
 910         menu->addAction(trimAct);
 911         menu->addAction(triangulateAct);
 912         menu->addAction(connectAct);
 913         menu->addAction(disconnectAct);
 914         menu->addSeparator();
 915         menu->addAction(selectAllAct);
 916         menu->addAction(editCutAct);
 917         menu->addAction(editCopyAct);
 918         menu->addAction(editPasteAct);
 919         menu->addAction(deleteAct);
 920         menu->addSeparator();
 921         menu->addAction(addLineAct);
 922         menu->addAction(addCircleAct);
 923         menu->addAction(addArcAct);
 924         menu->addAction(addPolygonAct);
 925         menu->addAction(addSplineAct);
 926         menu->addAction(addDimensionAct);
 927         menu->addSeparator();
 928         menu->addAction(settingsAct);
 929
 930         menu = menuBar()->addMenu(tr("&Help"));
 931         menu->addAction(aboutAct);
 932 }
 933
 934 void ApplicationWindow::CreateToolbars(void)
 935 {
 936         QToolBar * toolbar = addToolBar(tr("File"));
 937         toolbar->setObjectName("File"); // Needed for saveState()
 938         toolbar->addAction(fileNewAct);
 939         toolbar->addAction(fileOpenAct);
 940         toolbar->addAction(fileSaveAct);
 941         toolbar->addAction(fileSaveAsAct);
 942         toolbar->addAction(fileCloseAct);
 943 //      toolbar->addAction(exitAct);
 944
 945         toolbar = addToolBar(tr("View"));
 946         toolbar->setObjectName("View");
 947         toolbar->addAction(zoomInAct);
 948         toolbar->addAction(zoomOutAct);
 949
 950         QSpinBox * spinbox = new QSpinBox;
 951         toolbar->addWidget(spinbox);
 952 //      QLineEdit * lineedit = new QLineEdit;
 953         toolbar->addWidget(baseUnitInput);
 954         toolbar->addWidget(dimensionSizeInput);
 955
 956         toolbar = addToolBar(tr("Edit"));
 957         toolbar->setObjectName("Edit");
 958         toolbar->addAction(snapToGridAct);
 959         toolbar->addAction(groupAct);
 960         toolbar->addAction(fixAngleAct);
 961         toolbar->addAction(fixLengthAct);
 962         toolbar->addAction(rotateAct);
 963         toolbar->addAction(mirrorAct);
 964         toolbar->addAction(trimAct);
 965         toolbar->addAction(triangulateAct);
 966         toolbar->addAction(editCutAct);
 967         toolbar->addAction(editCopyAct);
 968         toolbar->addAction(editPasteAct);
 969         toolbar->addAction(deleteAct);
 970         toolbar->addAction(connectAct);
 971         toolbar->addAction(disconnectAct);
 972         toolbar->addSeparator();
 973         toolbar->addAction(addLineAct);
 974         toolbar->addAction(addCircleAct);
 975         toolbar->addAction(addArcAct);
 976         toolbar->addAction(addPolygonAct);
 977         toolbar->addAction(addSplineAct);
 978         toolbar->addAction(addDimensionAct);
 979
 980         spinbox->setRange(4, 256);
 981         spinbox->setValue(12);
 982         baseUnitInput->setText("12");
 983         connect(spinbox, SIGNAL(valueChanged(int)), this, SLOT(HandleGridSizeInPixels(int)));
 984         connect(baseUnitInput, SIGNAL(textChanged(QString)), this, SLOT(HandleGridSizeInBaseUnits(QString)));
 985         connect(dimensionSizeInput, SIGNAL(textChanged(QString)), this, SLOT(HandleDimensionSize(QString)));
 986
 987         PenWidget * pw = new PenWidget();
 988         toolbar = addToolBar(tr("Pen"));
 989         toolbar->setObjectName(tr("Pen"));
 990         toolbar->addWidget(pw);
 991         connect(drawing, SIGNAL(ObjectSelected(Object *)), pw, SLOT(SetFields(Object *)));
 992         connect(pw, SIGNAL(WidthSelected(float)), drawing, SLOT(HandlePenWidth(float)));
 993         connect(pw, SIGNAL(StyleSelected(int)), drawing, SLOT(HandlePenStyle(int)));
 994         connect(pw, SIGNAL(ColorSelected(uint32_t)), drawing, SLOT(HandlePenColor(uint32_t)));
 995 //      connect(pw, SIGNAL(StampSelected(void)), drawing, SLOT(HandlePenStamp(QAction *)));
 996         connect(pw->tbStamp, SIGNAL(triggered(QAction *)), drawing, SLOT(HandlePenStamp(QAction *)));
 997         connect(pw->tbDropper, SIGNAL(triggered(QAction *)), drawing, SLOT(HandlePenDropper(QAction *)));
 998 }
 999
1000 void ApplicationWindow::ReadSettings(void)
1001 {
1002         QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint();
1003         QSize size = settings.value("size", QSize(400, 400)).toSize();
1004         drawing->useAntialiasing = settings.value("useAntialiasing", true).toBool();
1005         snapToGridAct->setChecked(settings.value("snapToGrid", true).toBool());
1006         resize(size);
1007         move(pos);
1008         restoreState(settings.value("windowState").toByteArray());
1009 }
1010
1011 void ApplicationWindow::WriteSettings(void)
1012 {
1013         settings.setValue("pos", pos());
1014         settings.setValue("size", size());
1015         settings.setValue("windowState", saveState());
1016         settings.setValue("useAntialiasing", drawing->useAntialiasing);
1017         settings.setValue("snapToGrid", snapToGridAct->isChecked());
1018 }