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 "consolewidget.h"
  35 #include "drawingview.h"
  36 #include "fileio.h"
  37 #include "generaltab.h"
  38 #include "global.h"
  39 #include "layerwidget.h"
  40 #include "objectwidget.h"
  41 #include "painter.h"
  42 #include "penwidget.h"
  43 #include "settingsdialog.h"
  44 #include "structs.h"
  45 #include "utils.h"
  46
  47 // Class variables
  48 DrawingView * ApplicationWindow::drawing;
  49
  50 ApplicationWindow::ApplicationWindow():
  51         baseUnitInput(new QLineEdit),
  52         dimensionSizeInput(new QLineEdit),
  53         settings("Underground Software", "Architektonas")
  54 {
  55         drawing = new DrawingView(this);
  56         drawing->setMouseTracking(true);                // We want *all* mouse events...!
  57         drawing->setFocusPolicy(Qt::StrongFocus);
  58         setCentralWidget(drawing);
  59
  60         aboutWin = new AboutWindow(this);
  61
  62 //      ((TTEdit *)qApp)->charWnd = new CharWindow(this);
  63
  64         setWindowIcon(QIcon(":/res/atns-icon.png"));
  65         setWindowTitle("Architektonas");
  66
  67         CreateActions();
  68         CreateMenus();
  69         CreateToolbars();
  70
  71         // Create Dock widgets
  72         QDockWidget * dock1 = new QDockWidget(tr("Layers"), this);
  73         LayerWidget * lw = new LayerWidget;
  74         dock1->setWidget(lw);
  75         addDockWidget(Qt::RightDockWidgetArea, dock1);
  76         QDockWidget * dock2 = new QDockWidget(tr("Blocks"), this);
  77         BlockWidget * bw = new BlockWidget;
  78         dock2->setWidget(bw);
  79         addDockWidget(Qt::RightDockWidgetArea, dock2);
  80         QDockWidget * dock3 = new QDockWidget(tr("Object"), this);
  81         ObjectWidget * ow = new ObjectWidget;
  82         dock3->setWidget(ow);
  83         addDockWidget(Qt::RightDockWidgetArea, dock3);
  84         QDockWidget * dock4 = new QDockWidget(tr("Command"), this);
  85         ConsoleWidget * cw = new ConsoleWidget;
  86         dock4->setWidget(cw);
  87         addDockWidget(Qt::BottomDockWidgetArea, dock4);
  88
  89         // Needed for saveState()
  90         dock1->setObjectName("Layers");
  91         dock2->setObjectName("Blocks");
  92         dock3->setObjectName("Object");
  93         dock4->setObjectName("Commands");
  94
  95         // Create status bar
  96         zoomIndicator = new QLabel("Zoom: 100% Grid: 12.0\" BU: Inch");
  97         statusBar()->addPermanentWidget(zoomIndicator);
  98         statusBar()->showMessage(tr("Ready"));
  99
 100         ReadSettings();
 101         setUnifiedTitleAndToolBarOnMac(true);
 102         Global::font =  new QFont("Verdana", 15, QFont::Bold);
 103
 104         connect(lw, SIGNAL(LayerDeleted(int)), drawing, SLOT(DeleteCurrentLayer(int)));
 105         connect(lw, SIGNAL(LayerToggled()), drawing, SLOT(HandleLayerToggle()));
 106         connect(lw, SIGNAL(LayersSwapped(int, int)), drawing, SLOT(HandleLayerSwap(int, int)));
 107         connect(this, SIGNAL(ReloadLayers()), lw, SLOT(Reload()));
 108
 109         connect(drawing, SIGNAL(ObjectHovered(Object *)), ow, SLOT(ShowInfo(Object *)));
 110         connect(drawing, SIGNAL(NeedZoomUpdate()), this, SLOT(UpdateZoom()));
 111 }
 112
 113 void ApplicationWindow::closeEvent(QCloseEvent * event)
 114 {
 115         WriteSettings();
 116         event->accept();                // Use ignore() if can't close for some reason
 117         //Do we have a memory leak here if we don't delete the font in the Object???
 118 }
 119
 120 void ApplicationWindow::FileNew(void)
 121 {
 122         // Warn the user if drawing has changed and hasn't been saved...
 123         if (drawing->dirty)
 124         {
 125                 QMessageBox msg;
 126
 127                 msg.setText("The document has been modified.");
 128                 msg.setInformativeText("Do you want to save your changes?");
 129                 msg.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
 130                 msg.setDefaultButton(QMessageBox::Save);
 131                 int response = msg.exec();
 132
 133                 switch (response)
 134                 {
 135                 case QMessageBox::Save:
 136                         // Save was clicked
 137                         FileSave();
 138                         break;
 139                 case QMessageBox::Discard:
 140                         // Don't Save was clicked
 141                         break;
 142                 case QMessageBox::Cancel:
 143                         // Cancel was clicked
 144                         return;
 145 //                      break;
 146                 }
 147         }
 148
 149         FileIO::ResetLayerVectors();
 150         emit ReloadLayers();
 151         DeleteContents(drawing->document.objects);
 152         drawing->document.objects.clear();
 153         drawing->dirty = false;
 154         drawing->update();
 155         documentName.clear();
 156         setWindowTitle("Architektonas - Untitled");
 157         statusBar()->showMessage(tr("New drawing is ready."));
 158 }
 159
 160 void ApplicationWindow::FileOpen(void)
 161 {
 162         QString filename = QFileDialog::getOpenFileName(this, tr("Open Drawing"),
 163                 "", tr("Architektonas files (*.drawing)"));
 164
 165         // User cancelled open
 166         if (filename.isEmpty())
 167                 return;
 168
 169         FILE * file = fopen(filename.toUtf8().data(), "r");
 170
 171         if (file == 0)
 172         {
 173                 QMessageBox msg;
 174                 msg.setText(QString(tr("Could not open file \"%1\" for loading!")).arg(filename));
 175                 msg.setIcon(QMessageBox::Critical);
 176                 msg.exec();
 177                 return;
 178         }
 179
 180         Container container(true);      // Make sure it's a top level container...
 181         bool successful = FileIO::LoadAtnsFile(file, &container);
 182         fclose(file);
 183
 184         if (!successful)
 185         {
 186                 QMessageBox msg;
 187                 msg.setText(QString(tr("Could not load file \"%1\"!")).arg(filename));
 188                 msg.setIcon(QMessageBox::Critical);
 189                 msg.exec();
 190                 // Make sure to delete any hanging objects in the container...
 191                 DeleteContents(container.objects);
 192                 return;
 193         }
 194
 195 //printf("FileOpen: container size = %li\n", container.objects.size());
 196         // Keep memory leaks from happening by getting rid of the old document
 197         DeleteContents(drawing->document.objects);
 198         emit ReloadLayers();
 199         // We can do this because the vector is just a bunch of pointers to our
 200         // Objects, and the Containers (non-empty) can be moved this way with no
 201         // problem.
 202         drawing->document = container;
 203         drawing->dirty = false;
 204         drawing->update();
 205         documentName = filename;
 206         setWindowTitle(QString("Architektonas - %1").arg(documentName));
 207         statusBar()->showMessage(tr("Drawing loaded."));
 208 }
 209
 210 void ApplicationWindow::FileSave(void)
 211 {
 212         if (documentName.isEmpty())
 213                 documentName = QFileDialog::getSaveFileName(this, tr("Save Drawing"),
 214                         "", tr("Architektonas drawings (*.drawing)"));
 215
 216         FILE * file = fopen(documentName.toUtf8().data(), "w");
 217
 218         if (file == 0)
 219         {
 220                 QMessageBox msg;
 221                 msg.setText(QString(tr("Could not open file \"%1\" for saving!")).arg(documentName));
 222                 msg.setIcon(QMessageBox::Critical);
 223                 msg.exec();
 224                 return;
 225         }
 226
 227         bool successful = FileIO::SaveAtnsFile(file, &drawing->document);
 228         fclose(file);
 229
 230         if (!successful)
 231         {
 232                 QMessageBox msg;
 233                 msg.setText(QString(tr("Could not save file \"%1\"!")).arg(documentName));
 234                 msg.setIcon(QMessageBox::Critical);
 235                 msg.exec();
 236                 // In this case, we should unlink the created file, since it's not
 237                 // right...
 238 //              unlink(documentName.toUtf8().data());
 239                 QFile::remove(documentName);
 240                 return;
 241         }
 242
 243         drawing->dirty = false;
 244         setWindowTitle(QString("Architektonas - %1").arg(documentName));
 245         statusBar()->showMessage(tr("Drawing saved."));
 246 }
 247
 248 void ApplicationWindow::FileSaveAs(void)
 249 {
 250         QString filename = QFileDialog::getSaveFileName(this, tr("Save Drawing As"),
 251                 documentName, tr("Architektonas drawings (*.drawing)"));
 252
 253         if (!filename.isEmpty())
 254         {
 255                 documentName = filename;
 256                 FileSave();
 257         }
 258 }
 259
 260 void ApplicationWindow::PrintPreview(void)
 261 {
 262         QPrintPreviewDialog * dlg = new QPrintPreviewDialog(this);
 263
 264         connect(dlg, SIGNAL(paintRequested(QPrinter *)), this, SLOT(HandlePrintRequest(QPrinter *)));
 265
 266         dlg->exec();
 267 }
 268
 269 void ApplicationWindow::HandlePrintRequest(QPrinter * printer)
 270 {
 271         QPainter qtPainter(printer);
 272         Painter painter(&qtPainter);
 273
 274         // Save vars for screen
 275         Point originSave = Global::origin;
 276         double zoomSave = Global::zoom;
 277         Vector screenSizeSave = Global::screenSize;
 278
 279         // Adjust zoom + origin to fit the paper (or NxM pages if we have 'em)
 280         Rect r = drawing->GetObjectExtents((Object *)(&(drawing->document)));
 281
 282         QPageLayout pageLayout = printer->pageLayout();
 283         QRect pageRect = pageLayout.paintRectPixels(printer->resolution());
 284
 285         Global::origin = r.BottomLeft();
 286         Global::screenSize.x = pageRect.width();
 287         Global::screenSize.y = pageRect.height();
 288
 289         double xScale = (double)pageRect.width() / r.Width();
 290         double yScale = (double)pageRect.height() / r.Height();
 291         Global::zoom = qMin(xScale, yScale);
 292
 293         if (xScale < yScale)
 294                 Global::origin.y -= (((double)pageRect.height() / Global::zoom) - r.Height()) / 2.0;
 295         else
 296                 Global::origin.x -= (((double)pageRect.width() / Global::zoom) - r.Width()) / 2.0;
 297
 298         // Do object rendering...
 299         for(int i=0; i<Global::numLayers; i++)
 300                 drawing->RenderObjects(&painter, drawing->document.objects, i);
 301
 302         // Restore vars
 303         Global::origin = originSave;
 304         Global::zoom = zoomSave;
 305         Global::screenSize = screenSizeSave;
 306 }
 307
 308 void ApplicationWindow::contextMenuEvent(QContextMenuEvent * event)
 309 {
 310         // Proof of concept, still need to code up the real thing
 311         QMenu menu(this);
 312         menu.addAction(mirrorAct);
 313         menu.addAction(rotateAct);
 314         menu.addAction(trimAct);
 315         menu.exec(event->globalPos());
 316 }
 317
 318 void ApplicationWindow::SnapToGridTool(void)
 319 {
 320         Global::snapToGrid = snapToGridAct->isChecked();
 321 }
 322
 323 void ApplicationWindow::FixAngle(void)
 324 {
 325         Global::fixedAngle = fixAngleAct->isChecked();
 326 }
 327
 328 void ApplicationWindow::FixLength(void)
 329 {
 330         Global::fixedLength = fixLengthAct->isChecked();
 331 }
 332
 333 void ApplicationWindow::DeleteTool(void)
 334 {
 335         // For this tool, we check first to see if anything is selected. If so, we
 336         // delete those and *don't* select the delete tool.
 337 //      if (drawing->numSelected > 0)
 338         if (drawing->select.size() > 0)
 339         {
 340                 DeleteSelectedObjects(drawing->document.objects);
 341                 drawing->update();
 342                 deleteAct->setChecked(false);
 343                 return;
 344         }
 345
 346         // Otherwise, toggle the state of the tool
 347         ClearUIToolStatesExcept(deleteAct);
 348         SetInternalToolStates();
 349 }
 350
 351 void ApplicationWindow::DimensionTool(void)
 352 {
 353         ClearUIToolStatesExcept(addDimensionAct);
 354         SetInternalToolStates();
 355 }
 356
 357 void ApplicationWindow::RotateTool(void)
 358 {
 359         ClearUIToolStatesExcept(rotateAct);
 360
 361         // Do tear-down if Rotate tool has been turned off
 362         if (!rotateAct->isChecked())
 363                 drawing->RotateHandler(ToolCleanup, Point(0, 0));
 364
 365         SetInternalToolStates();
 366 }
 367
 368 void ApplicationWindow::MirrorTool(void)
 369 {
 370         ClearUIToolStatesExcept(mirrorAct);
 371
 372         // Do tear-down if Rotate tool has been turned off
 373         if (!mirrorAct->isChecked())
 374                 drawing->MirrorHandler(ToolCleanup, Point(0, 0));
 375
 376         SetInternalToolStates();
 377 }
 378
 379 void ApplicationWindow::TrimTool(void)
 380 {
 381         ClearUIToolStatesExcept(trimAct);
 382         SetInternalToolStates();
 383 }
 384
 385 void ApplicationWindow::ParallelTool(void)
 386 {
 387         ClearUIToolStatesExcept(parallelAct);
 388         SetInternalToolStates();
 389 }
 390
 391 void ApplicationWindow::TriangulateTool(void)
 392 {
 393         ClearUIToolStatesExcept(triangulateAct);
 394         SetInternalToolStates();
 395 }
 396
 397 void ApplicationWindow::AddLineTool(void)
 398 {
 399         ClearUIToolStatesExcept(addLineAct);
 400         SetInternalToolStates();
 401 }
 402
 403 void ApplicationWindow::AddCircleTool(void)
 404 {
 405         ClearUIToolStatesExcept(addCircleAct);
 406         SetInternalToolStates();
 407 }
 408
 409 void ApplicationWindow::AddArcTool(void)
 410 {
 411         ClearUIToolStatesExcept(addArcAct);
 412         SetInternalToolStates();
 413 }
 414
 415 void ApplicationWindow::AddPolygonTool(void)
 416 {
 417         ClearUIToolStatesExcept(addPolygonAct);
 418         SetInternalToolStates();
 419 }
 420
 421 void ApplicationWindow::AddSplineTool(void)
 422 {
 423         ClearUIToolStatesExcept(addSplineAct);
 424         SetInternalToolStates();
 425 }
 426
 427 void ApplicationWindow::ZoomInTool(void)
 428 {
 429         double zoomFactor = 1.20;
 430         QSize size = drawing->size();
 431         Vector center = Painter::QtToCartesianCoords(Vector(size.width() / 2.0, size.height() / 2.0));
 432
 433         Global::origin = center - ((center - Global::origin) / zoomFactor);
 434         Global::zoom *= zoomFactor;
 435
 436         UpdateZoom();
 437 }
 438
 439 void ApplicationWindow::ZoomOutTool(void)
 440 {
 441         double zoomFactor = 1.20;
 442         QSize size = drawing->size();
 443         Vector center = Painter::QtToCartesianCoords(Vector(size.width() / 2.0, size.height() / 2.0));
 444
 445         Global::origin = center + ((Global::origin - center) * zoomFactor);
 446         Global::zoom /= zoomFactor;
 447
 448         UpdateZoom();
 449 }
 450
 451 void ApplicationWindow::UpdateZoom(void)
 452 {
 453         // And now, a bunch of heuristics to select the right grid size--autogrid!
 454         // :-P
 455         if (Global::zoom < 0.25)
 456                 Global::gridSpacing = 48.0;
 457         else if (Global::zoom >= 0.25 && Global::zoom < 0.50)
 458                 Global::gridSpacing = 36.0;
 459         else if (Global::zoom >= 0.50 && Global::zoom < 1.00)
 460                 Global::gridSpacing = 24.0;
 461         else if (Global::zoom >= 1.00 && Global::zoom < 2.00)
 462                 Global::gridSpacing = 12.0;
 463         else if (Global::zoom >= 2.00 && Global::zoom < 4.00)
 464                 Global::gridSpacing = 6.0;
 465         else if (Global::zoom >= 4.00 && Global::zoom < 8.00)
 466                 Global::gridSpacing = 3.0;
 467         else if (Global::zoom >= 8.00 && Global::zoom < 16.00)
 468                 Global::gridSpacing = 1.0;
 469         else if (Global::zoom >= 16.00 && Global::zoom < 32.00)
 470                 Global::gridSpacing = 0.5;
 471         else if (Global::zoom >= 32.00 && Global::zoom < 64.00)
 472                 Global::gridSpacing = 0.25;
 473         else if (Global::zoom >= 64.00 && Global::zoom < 128.00)
 474                 Global::gridSpacing = 0.125;
 475         else if (Global::zoom >= 128.00 && Global::zoom < 256.00)
 476                 Global::gridSpacing = 0.0625;
 477         else if (Global::zoom >= 256.00 && Global::zoom < 512.00)
 478                 Global::gridSpacing = 0.03125;
 479         else
 480                 Global::gridSpacing = 0.015625;
 481
 482 //      drawing->SetGridSize((double)(Global::gridSpacing * Global::zoom));
 483         drawing->update();
 484
 485         zoomIndicator->setText(QString("Zoom: %1% Grid: %2\" BU: Inch").arg(Global::zoom * 100.0).arg(Global::gridSpacing));
 486
 487         // This is the problem...  Changing this causes the state to update itself again, screwing up the origin...  !!! FIX !!! (commented out for now)
 488 //      baseUnitInput->setText(QString("%1").arg(Global::gridSpacing));
 489 }
 490
 491 void ApplicationWindow::ClearUIToolStatesExcept(QAction * exception)
 492 {
 493         QAction * actionList[] = {
 494                 addArcAct, addLineAct, addCircleAct, addDimensionAct, addPolygonAct,
 495                 addSplineAct, deleteAct, rotateAct, mirrorAct, trimAct,
 496                 triangulateAct, 0
 497         };
 498
 499         for(int i=0; actionList[i]!=0; i++)
 500         {
 501                 if (actionList[i] != exception)
 502                         actionList[i]->setChecked(false);
 503         }
 504 }
 505
 506 void ApplicationWindow::SetInternalToolStates(void)
 507 {
 508         // We can be sure that if we've come here, then either an active tool is
 509         // being deactivated, or a new tool is being created. In either case, the
 510         // old tool needs to be deleted.
 511         Global::toolState = TSNone;
 512
 513         if (addLineAct->isChecked())
 514                 Global::tool = TTLine;
 515         else if (addCircleAct->isChecked())
 516                 Global::tool = TTCircle;
 517         else if (addArcAct->isChecked())
 518                 Global::tool = TTArc;
 519         else if (addDimensionAct->isChecked())
 520                 Global::tool = TTDimension;
 521         else if (addSplineAct->isChecked())
 522                 Global::tool = TTSpline;
 523         else if (addPolygonAct->isChecked())
 524                 Global::tool = TTPolygon;
 525         else if (deleteAct->isChecked())
 526                 Global::tool = TTDelete;
 527         else if (mirrorAct->isChecked())
 528                 Global::tool = TTMirror;
 529         else if (rotateAct->isChecked())
 530                 Global::tool = TTRotate;
 531         else if (trimAct->isChecked())
 532                 Global::tool = TTTrim;
 533         else if (parallelAct->isChecked())
 534                 Global::tool = TTParallel;
 535         else if (triangulateAct->isChecked())
 536                 Global::tool = TTTriangulate;
 537         else
 538                 Global::tool = TTNone;
 539
 540         drawing->update();
 541 }
 542
 543 void ApplicationWindow::HelpAbout(void)
 544 {
 545         aboutWin->show();
 546 }
 547
 548 void ApplicationWindow::Settings(void)
 549 {
 550         SettingsDialog dlg(this);
 551         dlg.generalTab->antialiasChk->setChecked(drawing->useAntialiasing);
 552
 553         if (dlg.exec() == false)
 554                 return;
 555
 556         // Deal with stuff here (since user hit "OK" button...)
 557         drawing->useAntialiasing = dlg.generalTab->antialiasChk->isChecked();
 558         WriteSettings();
 559 }
 560
 561 //
 562 // Group a bunch of selected objects (which can include other groups) together
 563 // or ungroup a selected group.
 564 //
 565 void ApplicationWindow::HandleGrouping(void)
 566 {
 567         int numSelected = drawing->select.size();
 568
 569         // If nothing selected, do nothing
 570         if (numSelected == 0)
 571         {
 572                 statusBar()->showMessage(tr("No objects selected to make a group from."));
 573                 return;
 574         }
 575
 576         // If it's a group that's selected, ungroup it and leave the objects in a
 577         // selected state
 578         if (numSelected == 1)
 579         {
 580                 Object * obj = (Object *)drawing->select[0];
 581
 582                 if (obj->type != OTContainer)
 583                 {
 584                         statusBar()->showMessage(tr("A group requires two or more selected objects."));
 585                         return;
 586                 }
 587
 588                 // Need the parent of the group, we're assuming here that the parent is
 589                 // the drawing's document. Does it matter? Maybe...
 590                 // Could just stipulate that grouping like this only takes place where
 591                 // the parent of the group is the drawing's document. Makes life much
 592                 // simpler.
 593                 Container * c = (Container *)obj;
 594                 SelectAll(c->objects);
 595                 RemoveSelectedObjects(drawing->document.objects);
 596                 AddObjectsTo(drawing->document.objects, c->objects);
 597                 drawing->select.clear();
 598                 AddObjectsTo(drawing->select, c->objects);
 599                 delete c;
 600                 statusBar()->showMessage(tr("Objects ungrouped."));
 601 //printf("Ungroup: document size = %li\n", drawing->document.objects.size());
 602         }
 603         // Otherwise, if it's a group of 2 or more objects (which can be groups too)
 604         // group them and select the group
 605         else if (numSelected > 1)
 606         {
 607                 Container * c = new Container();
 608                 MoveSelectedObjectsTo(c->objects, drawing->document.objects);
 609                 drawing->document.objects.push_back(c);
 610                 ClearSelected(c->objects);
 611                 c->selected = true;
 612                 c->layer = Global::activeLayer;
 613
 614                 Rect r = drawing->GetObjectExtents((Object *)c);
 615                 c->p[0] = r.TopLeft();
 616                 c->p[1] = r.BottomRight();
 617
 618                 drawing->select.clear();
 619                 drawing->select.push_back(c);
 620                 statusBar()->showMessage(QString(tr("Grouped %1 objects.")).arg(numSelected));
 621 //printf("Group: document size = %li\n", drawing->document.objects.size());
 622         }
 623
 624         drawing->update();
 625 }
 626
 627 void ApplicationWindow::HandleConnection(void)
 628 {
 629 #if 0
 630 //double tt = Geometry::ParameterOfLineAndPoint(Vector(0, 0), Vector(10, 0), Vector(8, 2));
 631 //printf("Parameter of point @ (8,2) of line (0,0), (10,0): %lf\n", tt);
 632         int itemsSelected = drawing->document.ItemsSelected();
 633
 634         // If nothing selected, do nothing
 635         if (itemsSelected == 0)
 636         {
 637                 statusBar()->showMessage(tr("No objects selected to connect."));
 638                 return;
 639         }
 640
 641         // If one thing selected, do nothing
 642         if (itemsSelected == 1)
 643         {
 644                 statusBar()->showMessage(tr("Nothing to connect object to."));
 645                 return;
 646         }
 647
 648         // This is O(n^2 / 2) :-P
 649         for(int i=0; i<itemsSelected; i++)
 650         {
 651                 Object * obj1 = drawing->document.SelectedItem(i);
 652
 653                 for(int j=i+1; j<itemsSelected; j++)
 654                 {
 655                         Object * obj2 = drawing->document.SelectedItem(j);
 656                         double t, u, v, w;
 657
 658 //                      if ((obj1->type != OTLine) || (obj2->type != OTLine))
 659 //                              continue;
 660
 661                         if ((obj1->type == OTLine) && (obj2->type == OTLine))
 662                         {
 663 //printf("Testing objects for intersection (%X, %X)...\n", obj1, obj2);
 664                                 int intersects = Geometry::Intersects((Line *)obj1, (Line *)obj2, &t, &u);
 665 //printf("  (%s) --> t=%lf, u=%lf\n", (intersects ? "true" : "FALSE"), t, u);
 666
 667                                 if (intersects)
 668                                 {
 669         //printf("Connecting objects (%X, %X)...\n", obj1, obj2);
 670                                         obj1->Connect(obj2, u);
 671                                         obj2->Connect(obj1, t);
 672                                 }
 673                         }
 674                         else if (((obj1->type == OTLine) && (obj2->type == OTDimension))
 675                                 || ((obj2->type == OTLine) && (obj1->type == OTDimension)))
 676                         {
 677 printf("Testing Line<->Dimension intersection...\n");
 678                                 Line * line = (Line *)(obj1->type == OTLine ? obj1 : obj2);
 679                                 Dimension * dim = (Dimension *)(obj1->type == OTDimension ? obj1 : obj2);
 680
 681                                 int intersects = Geometry::Intersects(line, dim, &t, &u);
 682 printf("   -> intersects = %i, t=%lf, u=%lf\n", intersects, t, u);
 683
 684                                 if (intersects)
 685                                 {
 686                                         obj1->Connect(obj2, u);
 687                                         obj2->Connect(obj1, t);
 688                                 }
 689                         }
 690                 }
 691         }
 692 #else
 693 #endif
 694 }
 695
 696 void ApplicationWindow::HandleDisconnection(void)
 697 {
 698 }
 699
 700 void ApplicationWindow::HandleGridSizeInPixels(int /*size*/)
 701 {
 702 //      drawing->SetGridSize((uint32_t)size);
 703         drawing->update();
 704 }
 705
 706 void ApplicationWindow::HandleGridSizeInBaseUnits(QString text)
 707 {
 708         // Parse the text...
 709         bool ok;
 710         double value = text.toDouble(&ok);
 711
 712         // Nothing parsable to a double, so quit...
 713         if (!ok || value == 0)
 714                 return;
 715
 716 //      drawing->gridSpacing = value;
 717 //      Painter::zoom = drawing->gridPixels / drawing->gridSpacing;
 718         Global::gridSpacing = value;
 719         Global::zoom = drawing->gridPixels / Global::gridSpacing;
 720 //      drawing->UpdateGridBackground();
 721         drawing->update();
 722 }
 723
 724 void ApplicationWindow::HandleDimensionSize(QString text)
 725 {
 726 /*
 727 This is the third input on the view toolbar; not sure what it was supposed to do... (resize all dimensions in the drawing?)
 728 */
 729         // Parse the text...
 730         bool ok;
 731         double value = text.toDouble(&ok);
 732
 733         // Nothing parsable to a double, so quit...
 734         if (!ok || value == 0)
 735                 return;
 736
 737 //      drawing->document.ResizeAllDimensions(value);
 738         drawing->update();
 739 }
 740
 741 void ApplicationWindow::EditCopy(void)
 742 {
 743         if (drawing->select.size() > 0)
 744         {
 745                 DeleteContents(clipboard);
 746                 clipboard = CopySelectedObjects(drawing->document.objects);
 747         }
 748 }
 749
 750 void ApplicationWindow::EditCut(void)
 751 {
 752         if (drawing->select.size() > 0)
 753         {
 754                 DeleteContents(clipboard);
 755                 clipboard = MoveSelectedObjectsFrom(drawing->document.objects);
 756                 drawing->update();
 757         }
 758 }
 759
 760 void ApplicationWindow::EditPaste(void)
 761 {
 762         if (clipboard.size() > 0)
 763         {
 764                 // We want to maybe make it so that the pasted objects are being moved in a "mouse drag" state...
 765                 ClearSelected(drawing->document.objects);
 766                 SelectAll(clipboard);
 767                 drawing->document.Add(CopyObjects(clipboard));
 768                 drawing->update();
 769         }
 770 }
 771
 772 //
 773 // Select all *visible* objects.  If an object is on a layer that is not
 774 // visible, skip it.
 775 //
 776 void ApplicationWindow::SelectAllObjects(void)
 777 {
 778         // Set object's state & update the drawing
 779         SelectAll(drawing->document.objects);
 780         drawing->update();
 781 }
 782
 783 void ApplicationWindow::CreateActions(void)
 784 {
 785         exitAct = CreateAction(tr("&Quit"), tr("Quit"), tr("Exits the application."),
 786                 QIcon(":/res/quit.png"), QKeySequence(tr("Ctrl+q")));
 787         connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
 788
 789         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);
 790         connect(snapToGridAct, SIGNAL(triggered()), this, SLOT(SnapToGridTool()));
 791
 792         fixAngleAct = CreateAction(tr("Fix &Angle"), tr("Fix Angle"), tr("Fixes the angle of an object."),
 793                 QIcon(":/res/fix-angle.png"), QKeySequence(tr("F,A")), true);
 794         connect(fixAngleAct, SIGNAL(triggered()), this, SLOT(FixAngle()));
 795
 796         fixLengthAct = CreateAction(tr("Fix &Length"), tr("Fix Length"), tr("Fixes the length of an object."),
 797                 QIcon(":/res/fix-length.png"), QKeySequence(tr("F,L")), true);
 798         connect(fixLengthAct, SIGNAL(triggered()), this, SLOT(FixLength()));
 799
 800         deleteAct = CreateAction(tr("&Delete"), tr("Delete Object"), tr("Deletes selected objects."), QIcon(":/res/delete-tool.png"), QKeySequence(tr("Delete")), true);
 801         connect(deleteAct, SIGNAL(triggered()), this, SLOT(DeleteTool()));
 802
 803         addDimensionAct = CreateAction(tr("Add &Dimension"), tr("Add Dimension"), tr("Adds a dimension to the drawing."), QIcon(":/res/dimension-tool.png"), QKeySequence("D,I"), true);
 804         connect(addDimensionAct, SIGNAL(triggered()), this, SLOT(DimensionTool()));
 805
 806         addLineAct = CreateAction(tr("Add &Line"), tr("Add Line"), tr("Adds lines to the drawing."), QIcon(":/res/add-line-tool.png"), QKeySequence("A,L"), true);
 807         connect(addLineAct, SIGNAL(triggered()), this, SLOT(AddLineTool()));
 808
 809         addCircleAct = CreateAction(tr("Add &Circle"), tr("Add Circle"), tr("Adds circles to the drawing."), QIcon(":/res/add-circle-tool.png"), QKeySequence("A,C"), true);
 810         connect(addCircleAct, SIGNAL(triggered()), this, SLOT(AddCircleTool()));
 811
 812         addArcAct = CreateAction(tr("Add &Arc"), tr("Add Arc"), tr("Adds arcs to the drawing."), QIcon(":/res/add-arc-tool.png"), QKeySequence("A,A"), true);
 813         connect(addArcAct, SIGNAL(triggered()), this, SLOT(AddArcTool()));
 814
 815         addPolygonAct = CreateAction(tr("Add &Polygon"), tr("Add Polygon"), tr("Add polygons to the drawing."), QIcon(":/res/add-polygon-tool.png"), QKeySequence("A,P"), true);
 816         connect(addPolygonAct, SIGNAL(triggered()), this, SLOT(AddPolygonTool()));
 817
 818         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);
 819         connect(addSplineAct, SIGNAL(triggered()), this, SLOT(AddSplineTool()));
 820
 821         aboutAct = CreateAction(tr("About &Architektonas"), tr("About Architektonas"), tr("Gives information about this program."), QIcon(":/res/generic-tool.png"), QKeySequence());
 822         connect(aboutAct, SIGNAL(triggered()), this, SLOT(HelpAbout()));
 823
 824         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);
 825         connect(rotateAct, SIGNAL(triggered()), this, SLOT(RotateTool()));
 826
 827         zoomInAct = CreateAction(tr("Zoom &In"), tr("Zoom In"), tr("Zoom in on the document."), QIcon(":/res/zoom-in.png"), QKeySequence(tr("+")), QKeySequence(tr("=")));
 828         connect(zoomInAct, SIGNAL(triggered()), this, SLOT(ZoomInTool()));
 829
 830         zoomOutAct = CreateAction(tr("Zoom &Out"), tr("Zoom Out"), tr("Zoom out of the document."), QIcon(":/res/zoom-out.png"), QKeySequence(tr("-")));
 831         connect(zoomOutAct, SIGNAL(triggered()), this, SLOT(ZoomOutTool()));
 832
 833         fileNewAct = CreateAction(tr("&New Drawing"), tr("New Drawing"), tr("Creates a new drawing."), QIcon(":/res/file-new.png"), QKeySequence(tr("Ctrl+n")));
 834         connect(fileNewAct, SIGNAL(triggered()), this, SLOT(FileNew()));
 835
 836         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")));
 837         connect(fileOpenAct, SIGNAL(triggered()), this, SLOT(FileOpen()));
 838
 839         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")));
 840         connect(fileSaveAct, SIGNAL(triggered()), this, SLOT(FileSave()));
 841
 842         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")));
 843         connect(fileSaveAsAct, SIGNAL(triggered()), this, SLOT(FileSaveAs()));
 844
 845         fileCloseAct = CreateAction(tr("&Close Drawing"), tr("Close Drawing"), tr("Closes the current drawing."), QIcon(":/res/file-close.png"), QKeySequence(tr("Ctrl+w")));
 846
 847         settingsAct = CreateAction(tr("&Settings"), tr("Settings"), tr("Change certain defaults for Architektonas."), QIcon(":/res/settings.png"), QKeySequence());
 848         connect(settingsAct, SIGNAL(triggered()), this, SLOT(Settings()));
 849
 850         groupAct = CreateAction(tr("&Group"), tr("Group"), tr("Group/ungroup selected objects."), QIcon(":/res/group-tool.png"), QKeySequence("g"));
 851         connect(groupAct, SIGNAL(triggered()), this, SLOT(HandleGrouping()));
 852
 853         connectAct = CreateAction(tr("&Connect"), tr("Connect"), tr("Connect objects at point."), QIcon(":/res/connect-tool.png"), QKeySequence("c,c"));
 854         connect(connectAct, SIGNAL(triggered()), this, SLOT(HandleConnection()));
 855
 856         disconnectAct = CreateAction(tr("&Disconnect"), tr("Disconnect"), tr("Disconnect objects joined at point."), QIcon(":/res/disconnect-tool.png"), QKeySequence("d,d"));
 857         connect(disconnectAct, SIGNAL(triggered()), this, SLOT(HandleDisconnection()));
 858
 859         mirrorAct = CreateAction(tr("&Mirror"), tr("Mirror"), tr("Mirror selected objects around a line."), QIcon(":/res/mirror-tool.png"), QKeySequence("m,i"), true);
 860         connect(mirrorAct, SIGNAL(triggered()), this, SLOT(MirrorTool()));
 861
 862         trimAct = CreateAction(tr("&Trim"), tr("Trim"), tr("Trim extraneous lines from selected objects."), QIcon(":/res/trim-tool.png"), QKeySequence("t,r"), true);
 863         connect(trimAct, SIGNAL(triggered()), this, SLOT(TrimTool()));
 864
 865         parallelAct = CreateAction(tr("&Parallel"), tr("Parallel"), tr("Create copies of objects parallel to the original."), QIcon(":/res/parallel-tool.png"), QKeySequence("p,a"), true);
 866         connect(parallelAct, SIGNAL(triggered()), this, SLOT(ParallelTool()));
 867
 868         triangulateAct = CreateAction(tr("&Triangulate"), tr("Triangulate"), tr("Make triangles from selected lines, preserving their lengths."), QIcon(":/res/triangulate-tool.png"), QKeySequence("t,g"), true);
 869         connect(triangulateAct, SIGNAL(triggered()), this, SLOT(TriangulateTool()));
 870
 871         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")));
 872         connect(editCutAct, SIGNAL(triggered()), this, SLOT(EditCut()));
 873
 874         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")));
 875         connect(editCopyAct, SIGNAL(triggered()), this, SLOT(EditCopy()));
 876
 877         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")));
 878         connect(editPasteAct, SIGNAL(triggered()), this, SLOT(EditPaste()));
 879
 880         selectAllAct = CreateAction(tr("Select &All"), tr("Select All Objects"), tr("Select all objects in the drawing."), QIcon(), QKeySequence(tr("Ctrl+a")));
 881         connect(selectAllAct, SIGNAL(triggered()), this, SLOT(SelectAllObjects()));
 882
 883         printPreviewAct = CreateAction(tr("&Print Preview"), tr("Print Preview"), tr("Shows preview of printing operation."), QIcon(":/res/print-preview.png"), QKeySequence(tr("Ctrl+p")));
 884         connect(printPreviewAct, SIGNAL(triggered()), this, SLOT(PrintPreview()));
 885
 886 //Hm. I think we'll have to have separate logic to do the "Radio Group Toolbar" thing...
 887 // Yup, in order to turn them off, we'd have to have an "OFF" toolbar button. Ick.
 888 /*      QActionGroup * group = new QActionGroup(this);
 889         group->addAction(deleteAct);
 890         group->addAction(addDimensionAct);
 891         group->addAction(addLineAct);
 892         group->addAction(addCircleAct);
 893         group->addAction(addArcAct);//*/
 894 }
 895
 896 //
 897 // Consolidates action creation from a multi-step process to a single-step one.
 898 //
 899 QAction * ApplicationWindow::CreateAction(QString name, QString tooltip,
 900         QString statustip, QIcon icon, QKeySequence key, bool checkable/*= false*/)
 901 {
 902         QAction * action = new QAction(icon, name, this);
 903         action->setToolTip(tooltip);
 904         action->setStatusTip(statustip);
 905         action->setShortcut(key);
 906         action->setCheckable(checkable);
 907
 908         return action;
 909 }
 910
 911 //
 912 // This is essentially the same as the previous function, but this allows more
 913 // than one key sequence to be added as key shortcuts.
 914 //
 915 QAction * ApplicationWindow::CreateAction(QString name, QString tooltip,
 916         QString statustip, QIcon icon, QKeySequence key1, QKeySequence key2,
 917         bool checkable/*= false*/)
 918 {
 919         QAction * action = new QAction(icon, name, this);
 920         action->setToolTip(tooltip);
 921         action->setStatusTip(statustip);
 922         QList<QKeySequence> keyList;
 923         keyList.append(key1);
 924         keyList.append(key2);
 925         action->setShortcuts(keyList);
 926         action->setCheckable(checkable);
 927
 928         return action;
 929 }
 930
 931 void ApplicationWindow::CreateMenus(void)
 932 {
 933         QMenu * menu = menuBar()->addMenu(tr("&File"));
 934         menu->addAction(fileNewAct);
 935         menu->addAction(fileOpenAct);
 936         menu->addAction(fileSaveAct);
 937         menu->addAction(fileSaveAsAct);
 938         menu->addAction(fileCloseAct);
 939         menu->addSeparator();
 940         menu->addAction(printPreviewAct);
 941         menu->addSeparator();
 942         menu->addAction(exitAct);
 943
 944         menu = menuBar()->addMenu(tr("&View"));
 945         menu->addAction(zoomInAct);
 946         menu->addAction(zoomOutAct);
 947
 948         menu = menuBar()->addMenu(tr("&Edit"));
 949         menu->addAction(snapToGridAct);
 950         menu->addAction(groupAct);
 951         menu->addAction(fixAngleAct);
 952         menu->addAction(fixLengthAct);
 953         menu->addAction(rotateAct);
 954         menu->addAction(mirrorAct);
 955         menu->addAction(trimAct);
 956         menu->addAction(parallelAct);
 957         menu->addAction(triangulateAct);
 958         menu->addAction(connectAct);
 959         menu->addAction(disconnectAct);
 960         menu->addSeparator();
 961         menu->addAction(selectAllAct);
 962         menu->addAction(editCutAct);
 963         menu->addAction(editCopyAct);
 964         menu->addAction(editPasteAct);
 965         menu->addAction(deleteAct);
 966         menu->addSeparator();
 967         menu->addAction(addLineAct);
 968         menu->addAction(addCircleAct);
 969         menu->addAction(addArcAct);
 970         menu->addAction(addPolygonAct);
 971         menu->addAction(addSplineAct);
 972         menu->addAction(addDimensionAct);
 973         menu->addSeparator();
 974         menu->addAction(settingsAct);
 975
 976         menu = menuBar()->addMenu(tr("&Help"));
 977         menu->addAction(aboutAct);
 978 }
 979
 980 void ApplicationWindow::CreateToolbars(void)
 981 {
 982         QToolBar * toolbar = addToolBar(tr("File"));
 983         toolbar->setObjectName("File"); // Needed for saveState()
 984         toolbar->addAction(fileNewAct);
 985         toolbar->addAction(fileOpenAct);
 986         toolbar->addAction(fileSaveAct);
 987         toolbar->addAction(fileSaveAsAct);
 988         toolbar->addAction(fileCloseAct);
 989 //      toolbar->addAction(exitAct);
 990
 991         toolbar = addToolBar(tr("View"));
 992         toolbar->setObjectName("View");
 993         toolbar->addAction(zoomInAct);
 994         toolbar->addAction(zoomOutAct);
 995
 996         QSpinBox * spinbox = new QSpinBox;
 997         toolbar->addWidget(spinbox);
 998 //      QLineEdit * lineedit = new QLineEdit;
 999         toolbar->addWidget(baseUnitInput);
1000         toolbar->addWidget(dimensionSizeInput);
1001
1002         toolbar = addToolBar(tr("Edit"));
1003         toolbar->setObjectName("Edit");
1004         toolbar->addAction(snapToGridAct);
1005         toolbar->addAction(groupAct);
1006         toolbar->addAction(fixAngleAct);
1007         toolbar->addAction(fixLengthAct);
1008         toolbar->addAction(rotateAct);
1009         toolbar->addAction(mirrorAct);
1010         toolbar->addAction(trimAct);
1011         toolbar->addAction(parallelAct);
1012         toolbar->addAction(triangulateAct);
1013         toolbar->addAction(editCutAct);
1014         toolbar->addAction(editCopyAct);
1015         toolbar->addAction(editPasteAct);
1016         toolbar->addAction(deleteAct);
1017         toolbar->addAction(connectAct);
1018         toolbar->addAction(disconnectAct);
1019         toolbar->addSeparator();
1020         toolbar->addAction(addLineAct);
1021         toolbar->addAction(addCircleAct);
1022         toolbar->addAction(addArcAct);
1023         toolbar->addAction(addPolygonAct);
1024         toolbar->addAction(addSplineAct);
1025         toolbar->addAction(addDimensionAct);
1026
1027         spinbox->setRange(4, 256);
1028         spinbox->setValue(12);
1029         baseUnitInput->setText("12");
1030         connect(spinbox, SIGNAL(valueChanged(int)), this, SLOT(HandleGridSizeInPixels(int)));
1031         connect(baseUnitInput, SIGNAL(textChanged(QString)), this, SLOT(HandleGridSizeInBaseUnits(QString)));
1032         connect(dimensionSizeInput, SIGNAL(textChanged(QString)), this, SLOT(HandleDimensionSize(QString)));
1033
1034         PenWidget * pw = new PenWidget();
1035         toolbar = addToolBar(tr("Pen"));
1036         toolbar->setObjectName(tr("Pen"));
1037         toolbar->addWidget(pw);
1038         connect(drawing, SIGNAL(ObjectSelected(Object *)), pw, SLOT(SetFields(Object *)));
1039         connect(pw, SIGNAL(WidthSelected(float)), drawing, SLOT(HandlePenWidth(float)));
1040         connect(pw, SIGNAL(StyleSelected(int)), drawing, SLOT(HandlePenStyle(int)));
1041         connect(pw, SIGNAL(ColorSelected(uint32_t)), drawing, SLOT(HandlePenColor(uint32_t)));
1042 //      connect(pw, SIGNAL(StampSelected(void)), drawing, SLOT(HandlePenStamp(QAction *)));
1043         connect(pw->tbStamp, SIGNAL(triggered(QAction *)), drawing, SLOT(HandlePenStamp(QAction *)));
1044         connect(pw->tbDropper, SIGNAL(triggered(QAction *)), drawing, SLOT(HandlePenDropper(QAction *)));
1045 }
1046
1047 void ApplicationWindow::ReadSettings(void)
1048 {
1049         QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint();
1050         QSize size = settings.value("size", QSize(400, 400)).toSize();
1051         drawing->useAntialiasing = settings.value("useAntialiasing", true).toBool();
1052         snapToGridAct->setChecked(settings.value("snapToGrid", true).toBool());
1053         resize(size);
1054         move(pos);
1055         restoreState(settings.value("windowState").toByteArray());
1056 }
1057
1058 void ApplicationWindow::WriteSettings(void)
1059 {
1060         settings.setValue("pos", pos());
1061         settings.setValue("size", size());
1062         settings.setValue("windowState", saveState());
1063         settings.setValue("useAntialiasing", drawing->useAntialiasing);
1064         settings.setValue("snapToGrid", snapToGridAct->isChecked());
1065 }