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 "commandprocessor.h"
  35 #include "consolewidget.h"
  36 #include "drawingsettingsdlg.h"
  37 #include "drawingview.h"
  38 #include "fileio.h"
  39 #include "generaltab.h"
  40 #include "global.h"
  41 #include "layerwidget.h"
  42 #include "objectwidget.h"
  43 #include "painter.h"
  44 #include "penwidget.h"
  45 #include "settingsdialog.h"
  46 #include "structs.h"
  47 #include "utils.h"
  48
  49 // Class variables
  50 DrawingView * ApplicationWindow::drawing;
  51
  52 ApplicationWindow::ApplicationWindow():
  53         baseUnitInput(new QLineEdit),
  54         dimensionSizeInput(new QLineEdit),
  55         settings("Underground Software", "Architektonas")
  56 {
  57         drawing = new DrawingView(this);
  58         drawing->setMouseTracking(true);                // We want *all* mouse events...!
  59         drawing->setFocusPolicy(Qt::StrongFocus);
  60         setCentralWidget(drawing);
  61
  62         aboutWin = new AboutWindow(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         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         // Make sure the bottom left corner gets owned by the right side:
 102         setCorner(Qt::BottomRightCorner, Qt::RightDockWidgetArea);
 103         setUnifiedTitleAndToolBarOnMac(true);
 104         Global::font =  new QFont("Verdana", 15, QFont::Bold);
 105
 106         connect(lw, SIGNAL(LayerDeleted(int)), drawing, SLOT(DeleteCurrentLayer(int)));
 107         connect(lw, SIGNAL(LayerToggled()), drawing, SLOT(HandleLayerToggle()));
 108         connect(lw, SIGNAL(LayersSwapped(int, int)), drawing, SLOT(HandleLayerSwap(int, int)));
 109         connect(this, SIGNAL(ReloadLayers()), lw, SLOT(Reload()));
 110
 111         connect(drawing, SIGNAL(ObjectHovered(Object *)), ow, SLOT(ShowInfo(Object *)));
 112         connect(drawing, SIGNAL(NeedZoomUpdate()), this, SLOT(UpdateZoom()));
 113
 114         connect(cw->cmdProc, SIGNAL(UpdateNeeded()), this, SLOT(UpdateFromCommand()));
 115 }
 116
 117 void ApplicationWindow::closeEvent(QCloseEvent * event)
 118 {
 119         WriteSettings();
 120         event->accept();                // Use ignore() if can't close for some reason
 121         //Do we have a memory leak here if we don't delete the font in the Object???
 122 }
 123
 124 void ApplicationWindow::FileNew(void)
 125 {
 126         // Warn the user if drawing has changed and hasn't been saved...
 127         if (drawing->dirty)
 128         {
 129                 QMessageBox msg;
 130
 131                 msg.setText("The document has been modified.");
 132                 msg.setInformativeText("Do you want to save your changes?");
 133                 msg.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
 134                 msg.setDefaultButton(QMessageBox::Save);
 135                 int response = msg.exec();
 136
 137                 switch (response)
 138                 {
 139                 case QMessageBox::Save:
 140                         // Save was clicked
 141                         FileSave();
 142                         break;
 143                 case QMessageBox::Discard:
 144                         // Don't Save was clicked
 145                         break;
 146                 case QMessageBox::Cancel:
 147                         // Cancel was clicked
 148                         return;
 149 //                      break;
 150                 }
 151         }
 152
 153         FileIO::ResetLayerVectors();
 154         emit ReloadLayers();
 155         DeleteContents(drawing->document.objects);
 156         drawing->document.objects.clear();
 157         drawing->dirty = false;
 158         drawing->update();
 159         documentName.clear();
 160 //      setWindowTitle("Architektonas - Untitled");
 161         setWindowFilePath(documentName);
 162         statusBar()->showMessage(tr("New drawing is ready."));
 163 }
 164
 165 void ApplicationWindow::FileOpen(void)
 166 {
 167         QString filename = QFileDialog::getOpenFileName(this, tr("Open Drawing"),
 168                 "", tr("Architektonas files (*.drawing)"));
 169
 170         // User cancelled open
 171         if (filename.isEmpty())
 172                 return;
 173
 174         LoadFile(filename);
 175 }
 176
 177 void ApplicationWindow::FileOpenRecent(void)
 178 {
 179         QAction * action = qobject_cast<QAction *>(sender());
 180
 181         if (!action)
 182                 return;
 183
 184         LoadFile(action->data().toString());
 185 }
 186
 187 void ApplicationWindow::LoadFile(QString filename)
 188 {
 189         FILE * file = fopen(filename.toUtf8().data(), "r");
 190
 191         if (file == 0)
 192         {
 193                 QMessageBox msg;
 194                 msg.setText(QString(tr("Could not open file \"%1\" for loading!")).arg(filename));
 195                 msg.setIcon(QMessageBox::Critical);
 196                 msg.exec();
 197                 return;
 198         }
 199
 200         Container container(true);      // Make sure it's a top level container...
 201         bool successful = FileIO::LoadAtnsFile(file, &container);
 202         fclose(file);
 203
 204         if (!successful)
 205         {
 206                 QMessageBox msg;
 207                 msg.setText(QString(tr("Could not load file \"%1\"!")).arg(filename));
 208                 msg.setIcon(QMessageBox::Critical);
 209                 msg.exec();
 210                 // Make sure to delete any hanging objects in the container...
 211                 DeleteContents(container.objects);
 212                 return;
 213         }
 214
 215         // Keep memory leaks from happening by getting rid of the old document
 216         DeleteContents(drawing->document.objects);
 217         emit ReloadLayers();
 218         // We can do this because the vector is just a bunch of pointers to our
 219         // Objects, and the Containers (non-empty) can be moved this way with no
 220         // problem.
 221         drawing->document = container;
 222         drawing->dirty = false;
 223         drawing->update();
 224         documentName = filename;
 225 //      setWindowTitle(QString("Architektonas - %1").arg(documentName));
 226         AdjustMRU(filename);
 227         statusBar()->showMessage(tr("Drawing loaded."));
 228 }
 229
 230 void ApplicationWindow::FileSave(void)
 231 {
 232         if (documentName.isEmpty())
 233                 documentName = QFileDialog::getSaveFileName(this, tr("Save Drawing"),
 234                         "", tr("Architektonas drawings (*.drawing)"));
 235
 236         FILE * file = fopen(documentName.toUtf8().data(), "w");
 237
 238         if (file == 0)
 239         {
 240                 QMessageBox msg;
 241                 msg.setText(QString(tr("Could not open file \"%1\" for saving!")).arg(documentName));
 242                 msg.setIcon(QMessageBox::Critical);
 243                 msg.exec();
 244                 return;
 245         }
 246
 247         bool successful = FileIO::SaveAtnsFile(file, &drawing->document);
 248         fclose(file);
 249
 250         if (!successful)
 251         {
 252                 QMessageBox msg;
 253                 msg.setText(QString(tr("Could not save file \"%1\"!")).arg(documentName));
 254                 msg.setIcon(QMessageBox::Critical);
 255                 msg.exec();
 256                 // In this case, we should unlink the created file, since it's not
 257                 // right...
 258 //              unlink(documentName.toUtf8().data());
 259                 QFile::remove(documentName);
 260                 return;
 261         }
 262
 263         drawing->dirty = false;
 264 //      setWindowTitle(QString("Architektonas - %1").arg(documentName));
 265         AdjustMRU(documentName);
 266         statusBar()->showMessage(tr("Drawing saved."));
 267 }
 268
 269 void ApplicationWindow::FileSaveAs(void)
 270 {
 271         QString filename = QFileDialog::getSaveFileName(this, tr("Save Drawing As"),
 272                 documentName, tr("Architektonas drawings (*.drawing)"));
 273
 274         if (!filename.isEmpty())
 275         {
 276                 documentName = filename;
 277                 FileSave();
 278         }
 279 }
 280
 281 void ApplicationWindow::PrintPreview(void)
 282 {
 283         QPrintPreviewDialog * dlg = new QPrintPreviewDialog(this);
 284
 285         connect(dlg, SIGNAL(paintRequested(QPrinter *)), this, SLOT(HandlePrintRequest(QPrinter *)));
 286
 287         dlg->exec();
 288 }
 289
 290 void ApplicationWindow::HandlePrintRequest(QPrinter * printer)
 291 {
 292         QPainter qtPainter(printer);
 293         Painter painter(&qtPainter);
 294
 295         // Save vars for screen
 296         Point originSave = Global::origin;
 297         double zoomSave = Global::zoom;
 298         Vector screenSizeSave = Global::screenSize;
 299
 300         // Adjust zoom + origin to fit the paper (or NxM pages if we have 'em)
 301         Rect r = drawing->GetObjectExtents((Object *)(&(drawing->document)));
 302
 303         QPageLayout pageLayout = printer->pageLayout();
 304         QRect pageRect = pageLayout.paintRectPixels(printer->resolution());
 305
 306         Global::origin = r.BottomLeft();
 307         Global::screenSize.x = pageRect.width();
 308         Global::screenSize.y = pageRect.height();
 309
 310         double xScale = (double)pageRect.width() / r.Width();
 311         double yScale = (double)pageRect.height() / r.Height();
 312         Global::zoom = qMin(xScale, yScale);
 313
 314         if (xScale < yScale)
 315                 Global::origin.y -= (((double)pageRect.height() / Global::zoom) - r.Height()) / 2.0;
 316         else
 317                 Global::origin.x -= (((double)pageRect.width() / Global::zoom) - r.Width()) / 2.0;
 318
 319         // Do object rendering...
 320         for(int i=0; i<Global::numLayers; i++)
 321         {
 322                 if (Global::layerHidden[i] == false)
 323                         drawing->RenderObjects(&painter, drawing->document.objects, i);
 324         }
 325
 326         // Restore vars
 327         Global::origin = originSave;
 328         Global::zoom = zoomSave;
 329         Global::screenSize = screenSizeSave;
 330 }
 331
 332 //
 333 // Right-click menu
 334 //
 335 void ApplicationWindow::contextMenuEvent(QContextMenuEvent * event)
 336 {
 337         // Proof of concept, still need to code up the real thing
 338         QMenu menu(this);
 339
 340         VPVector hovered = drawing->GetHovered();
 341
 342         if ((drawing->select.size() > 0) || (hovered.size() > 0))
 343         {
 344                 QMenu * layerMenu = menu.addMenu("To layer");
 345
 346                 layerAct.clear();
 347
 348                 for(int i=0; i<Global::numLayers; i++)
 349                 {
 350                         QAction * act = new QAction(QIcon(), Global::layerName[i].c_str(), this);
 351                         act->setData(i);
 352                         layerMenu->addAction(act);
 353                         layerAct.append(act);
 354                         connect(act, SIGNAL(triggered()), this, SLOT(MoveToLayer()));
 355                 }
 356         }
 357
 358         menu.addAction(mirrorAct);
 359         menu.addAction(rotateAct);
 360         menu.addAction(trimAct);
 361         menu.exec(event->globalPos());
 362 }
 363
 364 void ApplicationWindow::MoveToLayer(void)
 365 {
 366         QAction * act = qobject_cast<QAction *>(sender());
 367
 368         drawing->MoveSelectedToLayer(act->data().toInt());
 369         drawing->update();
 370 }
 371
 372 void ApplicationWindow::UpdateFromCommand(void)
 373 {
 374         cw->SetToolPrompt();
 375         drawing->update();
 376 }
 377
 378 void ApplicationWindow::SnapToGridTool(void)
 379 {
 380         Global::snapToGrid = snapToGridAct->isChecked();
 381 }
 382
 383 void ApplicationWindow::FixAngle(void)
 384 {
 385         Global::fixedAngle = fixAngleAct->isChecked();
 386 }
 387
 388 void ApplicationWindow::FixLength(void)
 389 {
 390         Global::fixedLength = fixLengthAct->isChecked();
 391 }
 392
 393 void ApplicationWindow::DeleteTool(void)
 394 {
 395         // For this tool, we check first to see if anything is selected. If so, we
 396         // delete those and *don't* select the delete tool.
 397         if (drawing->select.size() > 0)
 398         {
 399                 DeleteSelectedObjects(drawing->document.objects);
 400                 drawing->update();
 401                 deleteAct->setChecked(false);
 402                 return;
 403         }
 404
 405         // Otherwise, toggle the state of the tool
 406         ClearUIToolStatesExcept(deleteAct);
 407         SetInternalToolStates();
 408         Global::toolSuppressCrosshair = true;
 409 }
 410
 411 void ApplicationWindow::DimensionTool(void)
 412 {
 413         ClearUIToolStatesExcept(addDimensionAct);
 414         SetInternalToolStates();
 415 }
 416
 417 void ApplicationWindow::RotateTool(void)
 418 {
 419         ClearUIToolStatesExcept(rotateAct);
 420
 421         // Do tear-down if Rotate tool has been turned off
 422         if (!rotateAct->isChecked())
 423                 drawing->RotateHandler(ToolCleanup, Point(0, 0));
 424
 425         SetInternalToolStates();
 426 }
 427
 428 void ApplicationWindow::MirrorTool(void)
 429 {
 430         ClearUIToolStatesExcept(mirrorAct);
 431
 432         // Do tear-down if Rotate tool has been turned off
 433         if (!mirrorAct->isChecked())
 434                 drawing->MirrorHandler(ToolCleanup, Point(0, 0));
 435
 436         SetInternalToolStates();
 437 }
 438
 439 void ApplicationWindow::TrimTool(void)
 440 {
 441         ClearUIToolStatesExcept(trimAct);
 442         SetInternalToolStates();
 443         Global::toolSuppressCrosshair = true;
 444 }
 445
 446 void ApplicationWindow::ParallelTool(void)
 447 {
 448         ClearUIToolStatesExcept(parallelAct);
 449         SetInternalToolStates();
 450         Global::toolSuppressCrosshair = true;
 451 }
 452
 453 void ApplicationWindow::TriangulateTool(void)
 454 {
 455         ClearUIToolStatesExcept(triangulateAct);
 456         SetInternalToolStates();
 457 }
 458
 459 void ApplicationWindow::AddLineTool(void)
 460 {
 461         ClearUIToolStatesExcept(addLineAct);
 462         SetInternalToolStates();
 463 }
 464
 465 void ApplicationWindow::AddCircleTool(void)
 466 {
 467         ClearUIToolStatesExcept(addCircleAct);
 468         SetInternalToolStates();
 469 }
 470
 471 void ApplicationWindow::AddArcTool(void)
 472 {
 473         ClearUIToolStatesExcept(addArcAct);
 474         SetInternalToolStates();
 475 }
 476
 477 void ApplicationWindow::AddPolygonTool(void)
 478 {
 479         ClearUIToolStatesExcept(addPolygonAct);
 480         SetInternalToolStates();
 481 }
 482
 483 void ApplicationWindow::AddSplineTool(void)
 484 {
 485         ClearUIToolStatesExcept(addSplineAct);
 486         SetInternalToolStates();
 487 }
 488
 489 void ApplicationWindow::ZoomInTool(void)
 490 {
 491         double zoomFactor = 1.20;
 492         QSize size = drawing->size();
 493         Vector center = Painter::QtToCartesianCoords(Vector(size.width() / 2.0, size.height() / 2.0));
 494
 495         Global::origin = center - ((center - Global::origin) / zoomFactor);
 496         Global::zoom *= zoomFactor;
 497
 498         UpdateZoom();
 499 }
 500
 501 void ApplicationWindow::ZoomOutTool(void)
 502 {
 503         double zoomFactor = 1.20;
 504         QSize size = drawing->size();
 505         Vector center = Painter::QtToCartesianCoords(Vector(size.width() / 2.0, size.height() / 2.0));
 506
 507         Global::origin = center + ((Global::origin - center) * zoomFactor);
 508         Global::zoom /= zoomFactor;
 509
 510         UpdateZoom();
 511 }
 512
 513 void ApplicationWindow::UpdateZoom(void)
 514 {
 515         // And now, a bunch of heuristics to select the right grid size--autogrid!
 516         // :-P
 517         if (Global::zoom < 0.25)
 518                 Global::gridSpacing = 48.0;
 519         else if (Global::zoom >= 0.25 && Global::zoom < 0.50)
 520                 Global::gridSpacing = 36.0;
 521         else if (Global::zoom >= 0.50 && Global::zoom < 1.00)
 522                 Global::gridSpacing = 24.0;
 523         else if (Global::zoom >= 1.00 && Global::zoom < 2.00)
 524                 Global::gridSpacing = 12.0;
 525         else if (Global::zoom >= 2.00 && Global::zoom < 4.00)
 526                 Global::gridSpacing = 6.0;
 527         else if (Global::zoom >= 4.00 && Global::zoom < 8.00)
 528                 Global::gridSpacing = 3.0;
 529         else if (Global::zoom >= 8.00 && Global::zoom < 16.00)
 530                 Global::gridSpacing = 1.0;
 531         else if (Global::zoom >= 16.00 && Global::zoom < 32.00)
 532                 Global::gridSpacing = 0.5;
 533         else if (Global::zoom >= 32.00 && Global::zoom < 64.00)
 534                 Global::gridSpacing = 0.25;
 535         else if (Global::zoom >= 64.00 && Global::zoom < 128.00)
 536                 Global::gridSpacing = 0.125;
 537         else if (Global::zoom >= 128.00 && Global::zoom < 256.00)
 538                 Global::gridSpacing = 0.0625;
 539         else if (Global::zoom >= 256.00 && Global::zoom < 512.00)
 540                 Global::gridSpacing = 0.03125;
 541         else
 542                 Global::gridSpacing = 0.015625;
 543
 544         drawing->update();
 545
 546         zoomIndicator->setText(QString("Zoom: %1% Grid: %2\" BU: Inch").arg(Global::zoom * 100.0).arg(Global::gridSpacing));
 547
 548         // This is the problem...  Changing this causes the state to update itself again, screwing up the origin...  !!! FIX !!! (commented out for now)
 549 //      baseUnitInput->setText(QString("%1").arg(Global::gridSpacing));
 550 }
 551
 552 void ApplicationWindow::ClearUIToolStatesExcept(QAction * exception)
 553 {
 554         QAction * actionList[] = {
 555                 addArcAct, addLineAct, addCircleAct, addDimensionAct, addPolygonAct,
 556                 addSplineAct, deleteAct, rotateAct, mirrorAct, trimAct,
 557                 triangulateAct, parallelAct, 0
 558         };
 559
 560         for(int i=0; actionList[i]!=0; i++)
 561         {
 562                 if (actionList[i] != exception)
 563                         actionList[i]->setChecked(false);
 564         }
 565 }
 566
 567 void ApplicationWindow::SetInternalToolStates(void)
 568 {
 569         // We can be sure that if we've come here, then either an active tool is
 570         // being deactivated, or a new tool is being activated.  In either case,
 571         // the tool state needs to be reset.  Also, we reset the crosshair
 572         // suppression flag.
 573         Global::toolState = TSNone;
 574         Global::toolSuppressCrosshair = false;
 575
 576         if (addLineAct->isChecked())
 577                 Global::tool = TTLine;
 578         else if (addCircleAct->isChecked())
 579                 Global::tool = TTCircle;
 580         else if (addArcAct->isChecked())
 581                 Global::tool = TTArc;
 582         else if (addDimensionAct->isChecked())
 583                 Global::tool = TTDimension;
 584         else if (addSplineAct->isChecked())
 585                 Global::tool = TTSpline;
 586         else if (addPolygonAct->isChecked())
 587                 Global::tool = TTPolygon;
 588         else if (deleteAct->isChecked())
 589                 Global::tool = TTDelete;
 590         else if (mirrorAct->isChecked())
 591                 Global::tool = TTMirror;
 592         else if (rotateAct->isChecked())
 593                 Global::tool = TTRotate;
 594         else if (trimAct->isChecked())
 595                 Global::tool = TTTrim;
 596         else if (parallelAct->isChecked())
 597                 Global::tool = TTParallel;
 598         else if (triangulateAct->isChecked())
 599                 Global::tool = TTTriangulate;
 600         else
 601                 Global::tool = TTNone;
 602
 603         cw->SetToolPrompt();
 604         drawing->update();
 605 }
 606
 607 void ApplicationWindow::HelpAbout(void)
 608 {
 609         aboutWin->show();
 610 }
 611
 612 void ApplicationWindow::Settings(void)
 613 {
 614         SettingsDialog dlg(this);
 615         dlg.generalTab->antialiasChk->setChecked(drawing->useAntialiasing);
 616
 617         if (dlg.exec() == false)
 618                 return;
 619
 620         // Deal with stuff here (since user hit "OK" button...)
 621         drawing->useAntialiasing = dlg.generalTab->antialiasChk->isChecked();
 622         WriteSettings();
 623 }
 624
 625 void ApplicationWindow::DrawingSettings(void)
 626 {
 627         DrawingSettingsDlg dlg(this);
 628         dlg.baseUnit->setCurrentIndex(drawing->document.baseUnit);
 629         dlg.unitStyle->setCurrentIndex(drawing->document.unitStyle);
 630         dlg.decimalPrecision->setCurrentIndex(drawing->document.decimalPrecision);
 631         dlg.fractionalPrecision->setCurrentIndex(drawing->document.fractionalPrecision);
 632
 633         if (dlg.exec() == false)
 634                 return;
 635
 636         // Deal with stuff here (since user hit "OK" button...)
 637         drawing->document.baseUnit = dlg.baseUnit->currentIndex();
 638         drawing->document.unitStyle = dlg.unitStyle->currentIndex();
 639         drawing->document.decimalPrecision= dlg.decimalPrecision->currentIndex();
 640         drawing->document.fractionalPrecision = dlg.fractionalPrecision->currentIndex();
 641         drawing->update();
 642 }
 643
 644 //
 645 // Group a bunch of selected objects (which can include other groups) together
 646 // or ungroup a selected group.
 647 //
 648 void ApplicationWindow::HandleGrouping(void)
 649 {
 650         int numSelected = drawing->select.size();
 651
 652         // If nothing selected, do nothing
 653         if (numSelected == 0)
 654         {
 655                 statusBar()->showMessage(tr("No objects selected to make a group from."));
 656                 return;
 657         }
 658
 659         // If it's a group that's selected, ungroup it and leave the objects in a
 660         // selected state
 661         if (numSelected == 1)
 662         {
 663                 Object * obj = (Object *)drawing->select[0];
 664
 665                 if (obj->type != OTContainer)
 666                 {
 667                         statusBar()->showMessage(tr("A group requires two or more selected objects."));
 668                         return;
 669                 }
 670
 671                 // Need the parent of the group, we're assuming here that the parent is
 672                 // the drawing's document. Does it matter? Maybe...
 673                 // Could just stipulate that grouping like this only takes place where
 674                 // the parent of the group is the drawing's document. Makes life much
 675                 // simpler.
 676                 Container * c = (Container *)obj;
 677                 SelectAll(c->objects);
 678                 RemoveSelectedObjects(drawing->document.objects);
 679                 AddObjectsTo(drawing->document.objects, c->objects);
 680                 drawing->select.clear();
 681                 AddObjectsTo(drawing->select, c->objects);
 682                 delete c;
 683                 statusBar()->showMessage(tr("Objects ungrouped."));
 684 //printf("Ungroup: document size = %li\n", drawing->document.objects.size());
 685         }
 686         // Otherwise, if it's a group of 2 or more objects (which can be groups too)
 687         // group them and select the group
 688         else if (numSelected > 1)
 689         {
 690                 Container * c = new Container();
 691                 MoveSelectedObjectsTo(c->objects, drawing->document.objects);
 692                 drawing->document.objects.push_back(c);
 693                 ClearSelected(c->objects);
 694                 c->selected = true;
 695                 c->layer = Global::activeLayer;
 696
 697                 Rect r = drawing->GetObjectExtents((Object *)c);
 698                 c->p[0] = r.TopLeft();
 699                 c->p[1] = r.BottomRight();
 700
 701                 drawing->select.clear();
 702                 drawing->select.push_back(c);
 703                 statusBar()->showMessage(QString(tr("Grouped %1 objects.")).arg(numSelected));
 704 //printf("Group: document size = %li\n", drawing->document.objects.size());
 705         }
 706
 707         drawing->update();
 708 }
 709
 710 void ApplicationWindow::HandleConnection(void)
 711 {
 712 #if 0
 713 //double tt = Geometry::ParameterOfLineAndPoint(Vector(0, 0), Vector(10, 0), Vector(8, 2));
 714 //printf("Parameter of point @ (8,2) of line (0,0), (10,0): %lf\n", tt);
 715         int itemsSelected = drawing->document.ItemsSelected();
 716
 717         // If nothing selected, do nothing
 718         if (itemsSelected == 0)
 719         {
 720                 statusBar()->showMessage(tr("No objects selected to connect."));
 721                 return;
 722         }
 723
 724         // If one thing selected, do nothing
 725         if (itemsSelected == 1)
 726         {
 727                 statusBar()->showMessage(tr("Nothing to connect object to."));
 728                 return;
 729         }
 730
 731         // This is O(n^2 / 2) :-P
 732         for(int i=0; i<itemsSelected; i++)
 733         {
 734                 Object * obj1 = drawing->document.SelectedItem(i);
 735
 736                 for(int j=i+1; j<itemsSelected; j++)
 737                 {
 738                         Object * obj2 = drawing->document.SelectedItem(j);
 739                         double t, u, v, w;
 740
 741 //                      if ((obj1->type != OTLine) || (obj2->type != OTLine))
 742 //                              continue;
 743
 744                         if ((obj1->type == OTLine) && (obj2->type == OTLine))
 745                         {
 746 //printf("Testing objects for intersection (%X, %X)...\n", obj1, obj2);
 747                                 int intersects = Geometry::Intersects((Line *)obj1, (Line *)obj2, &t, &u);
 748 //printf("  (%s) --> t=%lf, u=%lf\n", (intersects ? "true" : "FALSE"), t, u);
 749
 750                                 if (intersects)
 751                                 {
 752         //printf("Connecting objects (%X, %X)...\n", obj1, obj2);
 753                                         obj1->Connect(obj2, u);
 754                                         obj2->Connect(obj1, t);
 755                                 }
 756                         }
 757                         else if (((obj1->type == OTLine) && (obj2->type == OTDimension))
 758                                 || ((obj2->type == OTLine) && (obj1->type == OTDimension)))
 759                         {
 760 printf("Testing Line<->Dimension intersection...\n");
 761                                 Line * line = (Line *)(obj1->type == OTLine ? obj1 : obj2);
 762                                 Dimension * dim = (Dimension *)(obj1->type == OTDimension ? obj1 : obj2);
 763
 764                                 int intersects = Geometry::Intersects(line, dim, &t, &u);
 765 printf("   -> intersects = %i, t=%lf, u=%lf\n", intersects, t, u);
 766
 767                                 if (intersects)
 768                                 {
 769                                         obj1->Connect(obj2, u);
 770                                         obj2->Connect(obj1, t);
 771                                 }
 772                         }
 773                 }
 774         }
 775 #else
 776 #endif
 777 }
 778
 779 void ApplicationWindow::HandleDisconnection(void)
 780 {
 781 }
 782
 783 void ApplicationWindow::HandleGridSizeInPixels(int /*size*/)
 784 {
 785 //      drawing->SetGridSize((uint32_t)size);
 786         drawing->update();
 787 }
 788
 789 void ApplicationWindow::HandleGridSizeInBaseUnits(QString text)
 790 {
 791         // Parse the text...
 792         bool ok;
 793         double value = text.toDouble(&ok);
 794
 795         // Nothing parsable to a double, so quit...
 796         if (!ok || value == 0)
 797                 return;
 798
 799         Global::gridSpacing = value;
 800         Global::zoom = drawing->gridPixels / Global::gridSpacing;
 801         drawing->update();
 802 }
 803
 804 void ApplicationWindow::HandleDimensionSize(QString text)
 805 {
 806 /*
 807 This is the third input on the view toolbar; not sure what it was supposed to do... (resize all dimensions in the drawing?)
 808 */
 809         // Parse the text...
 810         bool ok;
 811         double value = text.toDouble(&ok);
 812
 813         // Nothing parsable to a double, so quit...
 814         if (!ok || value == 0)
 815                 return;
 816
 817 //      drawing->document.ResizeAllDimensions(value);
 818         drawing->update();
 819 }
 820
 821 void ApplicationWindow::EditCopy(void)
 822 {
 823         if (drawing->select.size() > 0)
 824         {
 825                 DeleteContents(clipboard);
 826                 clipboard = CopySelectedObjects(drawing->document.objects);
 827         }
 828 }
 829
 830 void ApplicationWindow::EditCut(void)
 831 {
 832         if (drawing->select.size() > 0)
 833         {
 834                 DeleteContents(clipboard);
 835                 clipboard = MoveSelectedObjectsFrom(drawing->document.objects);
 836                 drawing->update();
 837         }
 838 }
 839
 840 void ApplicationWindow::EditPaste(void)
 841 {
 842         if (clipboard.size() > 0)
 843         {
 844                 // We want to maybe make it so that the pasted objects are being moved in a "mouse drag" state...
 845                 ClearSelected(drawing->document.objects);
 846                 SelectAll(clipboard);
 847                 drawing->document.Add(CopyObjects(clipboard));
 848                 drawing->update();
 849         }
 850 }
 851
 852 //
 853 // Select all *visible* objects.  If an object is on a layer that is not
 854 // visible, skip it.
 855 //
 856 void ApplicationWindow::SelectAllObjects(void)
 857 {
 858         // Set object's state & update the drawing
 859         SelectAll(drawing->document.objects);
 860         drawing->update();
 861 }
 862
 863 void ApplicationWindow::CreateActions(void)
 864 {
 865         exitAct = CreateAction(tr("&Quit"), tr("Quit"), tr("Exits the application."),
 866                 QIcon(":/res/quit.png"), QKeySequence(tr("Ctrl+q")));
 867         connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
 868
 869         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);
 870         connect(snapToGridAct, SIGNAL(triggered()), this, SLOT(SnapToGridTool()));
 871
 872         fixAngleAct = CreateAction(tr("Fix &Angle"), tr("Fix Angle"), tr("Fixes the angle of an object."),
 873                 QIcon(":/res/fix-angle.png"), QKeySequence(tr("F,A")), true);
 874         connect(fixAngleAct, SIGNAL(triggered()), this, SLOT(FixAngle()));
 875
 876         fixLengthAct = CreateAction(tr("Fix &Length"), tr("Fix Length"), tr("Fixes the length of an object."),
 877                 QIcon(":/res/fix-length.png"), QKeySequence(tr("F,L")), true);
 878         connect(fixLengthAct, SIGNAL(triggered()), this, SLOT(FixLength()));
 879
 880         deleteAct = CreateAction(tr("&Delete"), tr("Delete Object"), tr("Deletes selected objects."), QIcon(":/res/delete-tool.png"), QKeySequence(tr("Delete")), true);
 881         connect(deleteAct, SIGNAL(triggered()), this, SLOT(DeleteTool()));
 882
 883         addDimensionAct = CreateAction(tr("Add &Dimension"), tr("Add Dimension"), tr("Adds a dimension to the drawing."), QIcon(":/res/dimension-tool.png"), QKeySequence("D,I"), true);
 884         connect(addDimensionAct, SIGNAL(triggered()), this, SLOT(DimensionTool()));
 885
 886         addLineAct = CreateAction(tr("Add &Line"), tr("Add Line"), tr("Adds lines to the drawing."), QIcon(":/res/add-line-tool.png"), QKeySequence("A,L"), true);
 887         connect(addLineAct, SIGNAL(triggered()), this, SLOT(AddLineTool()));
 888
 889         addCircleAct = CreateAction(tr("Add &Circle"), tr("Add Circle"), tr("Adds circles to the drawing."), QIcon(":/res/add-circle-tool.png"), QKeySequence("A,C"), true);
 890         connect(addCircleAct, SIGNAL(triggered()), this, SLOT(AddCircleTool()));
 891
 892         addArcAct = CreateAction(tr("Add &Arc"), tr("Add Arc"), tr("Adds arcs to the drawing."), QIcon(":/res/add-arc-tool.png"), QKeySequence("A,A"), true);
 893         connect(addArcAct, SIGNAL(triggered()), this, SLOT(AddArcTool()));
 894
 895         addPolygonAct = CreateAction(tr("Add &Polygon"), tr("Add Polygon"), tr("Add polygons to the drawing."), QIcon(":/res/add-polygon-tool.png"), QKeySequence("A,P"), true);
 896         connect(addPolygonAct, SIGNAL(triggered()), this, SLOT(AddPolygonTool()));
 897
 898         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);
 899         connect(addSplineAct, SIGNAL(triggered()), this, SLOT(AddSplineTool()));
 900
 901         aboutAct = CreateAction(tr("About &Architektonas"), tr("About Architektonas"), tr("Gives information about this program."), QIcon(":/res/generic-tool.png"), QKeySequence());
 902         connect(aboutAct, SIGNAL(triggered()), this, SLOT(HelpAbout()));
 903
 904         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);
 905         connect(rotateAct, SIGNAL(triggered()), this, SLOT(RotateTool()));
 906
 907         zoomInAct = CreateAction(tr("Zoom &In"), tr("Zoom In"), tr("Zoom in on the document."), QIcon(":/res/zoom-in.png"), QKeySequence(tr("+")), QKeySequence(tr("=")));
 908         connect(zoomInAct, SIGNAL(triggered()), this, SLOT(ZoomInTool()));
 909
 910         zoomOutAct = CreateAction(tr("Zoom &Out"), tr("Zoom Out"), tr("Zoom out of the document."), QIcon(":/res/zoom-out.png"), QKeySequence(tr("-")));
 911         connect(zoomOutAct, SIGNAL(triggered()), this, SLOT(ZoomOutTool()));
 912
 913         fileNewAct = CreateAction(tr("&New Drawing"), tr("New Drawing"), tr("Creates a new drawing."), QIcon(":/res/file-new.png"), QKeySequence(tr("Ctrl+n")));
 914         connect(fileNewAct, SIGNAL(triggered()), this, SLOT(FileNew()));
 915
 916         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")));
 917         connect(fileOpenAct, SIGNAL(triggered()), this, SLOT(FileOpen()));
 918
 919         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")));
 920         connect(fileSaveAct, SIGNAL(triggered()), this, SLOT(FileSave()));
 921
 922         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")));
 923         connect(fileSaveAsAct, SIGNAL(triggered()), this, SLOT(FileSaveAs()));
 924
 925         fileCloseAct = CreateAction(tr("&Close Drawing"), tr("Close Drawing"), tr("Closes the current drawing."), QIcon(":/res/file-close.png"), QKeySequence(tr("Ctrl+w")));
 926
 927         settingsAct = CreateAction(tr("&Settings"), tr("Settings"), tr("Change certain defaults for Architektonas."), QIcon(":/res/settings.png"), QKeySequence());
 928         connect(settingsAct, SIGNAL(triggered()), this, SLOT(Settings()));
 929
 930         drawingSettingsAct = CreateAction(tr("&Drawing Settings"), tr("Drawing settings"), tr("Change certain defaults for the current drawing."), QIcon(":/res/settings.png"), QKeySequence());
 931         connect(drawingSettingsAct, SIGNAL(triggered()), this, SLOT(DrawingSettings()));
 932
 933         groupAct = CreateAction(tr("&Group"), tr("Group"), tr("Group/ungroup selected objects."), QIcon(":/res/group-tool.png"), QKeySequence("g"));
 934         connect(groupAct, SIGNAL(triggered()), this, SLOT(HandleGrouping()));
 935
 936         connectAct = CreateAction(tr("&Connect"), tr("Connect"), tr("Connect objects at point."), QIcon(":/res/connect-tool.png"), QKeySequence("c,c"));
 937         connect(connectAct, SIGNAL(triggered()), this, SLOT(HandleConnection()));
 938
 939         disconnectAct = CreateAction(tr("&Disconnect"), tr("Disconnect"), tr("Disconnect objects joined at point."), QIcon(":/res/disconnect-tool.png"), QKeySequence("d,d"));
 940         connect(disconnectAct, SIGNAL(triggered()), this, SLOT(HandleDisconnection()));
 941
 942         mirrorAct = CreateAction(tr("&Mirror"), tr("Mirror"), tr("Mirror selected objects around a line."), QIcon(":/res/mirror-tool.png"), QKeySequence("m,i"), true);
 943         connect(mirrorAct, SIGNAL(triggered()), this, SLOT(MirrorTool()));
 944
 945         trimAct = CreateAction(tr("&Trim"), tr("Trim"), tr("Trim extraneous lines from selected objects."), QIcon(":/res/trim-tool.png"), QKeySequence("t,r"), true);
 946         connect(trimAct, SIGNAL(triggered()), this, SLOT(TrimTool()));
 947
 948         parallelAct = CreateAction(tr("&Parallel"), tr("Parallel"), tr("Create copies of objects parallel to the original."), QIcon(":/res/parallel-tool.png"), QKeySequence("p,l"), true);
 949         connect(parallelAct, SIGNAL(triggered()), this, SLOT(ParallelTool()));
 950
 951         triangulateAct = CreateAction(tr("&Triangulate"), tr("Triangulate"), tr("Make triangles from selected lines, preserving their lengths."), QIcon(":/res/triangulate-tool.png"), QKeySequence("t,g"), true);
 952         connect(triangulateAct, SIGNAL(triggered()), this, SLOT(TriangulateTool()));
 953
 954         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")));
 955         connect(editCutAct, SIGNAL(triggered()), this, SLOT(EditCut()));
 956
 957         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")));
 958         connect(editCopyAct, SIGNAL(triggered()), this, SLOT(EditCopy()));
 959
 960         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")));
 961         connect(editPasteAct, SIGNAL(triggered()), this, SLOT(EditPaste()));
 962
 963         selectAllAct = CreateAction(tr("Select &All"), tr("Select All Objects"), tr("Select all objects in the drawing."), QIcon(), QKeySequence(tr("Ctrl+a")));
 964         connect(selectAllAct, SIGNAL(triggered()), this, SLOT(SelectAllObjects()));
 965
 966         printPreviewAct = CreateAction(tr("&Print Preview"), tr("Print Preview"), tr("Shows preview of printing operation."), QIcon(":/res/print-preview.png"), QKeySequence(tr("Ctrl+p")));
 967         connect(printPreviewAct, SIGNAL(triggered()), this, SLOT(PrintPreview()));
 968
 969 //Hm. I think we'll have to have separate logic to do the "Radio Group Toolbar" thing...
 970 // Yup, in order to turn them off, we'd have to have an "OFF" toolbar button. Ick.
 971 /*      QActionGroup * group = new QActionGroup(this);
 972         group->addAction(deleteAct);
 973         group->addAction(addDimensionAct);
 974         group->addAction(addLineAct);
 975         group->addAction(addCircleAct);
 976         group->addAction(addArcAct);//*/
 977
 978         for(int i=0; i<MRU_MAX; i++)
 979         {
 980                 QAction * rfa = new QAction(this);
 981                 rfa->setVisible(false);
 982                 connect(rfa, SIGNAL(triggered()), this, SLOT(FileOpenRecent()));
 983                 mruAct.append(rfa);
 984         }
 985 }
 986
 987 //
 988 // Consolidates action creation from a multi-step process to a single-step one.
 989 //
 990 QAction * ApplicationWindow::CreateAction(QString name, QString tooltip,
 991         QString statustip, QIcon icon, QKeySequence key, bool checkable/*= false*/)
 992 {
 993         QAction * action = new QAction(icon, name, this);
 994         action->setToolTip(tooltip);
 995         action->setStatusTip(statustip);
 996         action->setShortcut(key);
 997         action->setCheckable(checkable);
 998
 999         return action;
1000 }
1001
1002 //
1003 // This is essentially the same as the previous function, but this allows more
1004 // than one key sequence to be added as key shortcuts.
1005 //
1006 QAction * ApplicationWindow::CreateAction(QString name, QString tooltip,
1007         QString statustip, QIcon icon, QKeySequence key1, QKeySequence key2,
1008         bool checkable/*= false*/)
1009 {
1010         QAction * action = new QAction(icon, name, this);
1011         action->setToolTip(tooltip);
1012         action->setStatusTip(statustip);
1013         QList<QKeySequence> keyList;
1014         keyList.append(key1);
1015         keyList.append(key2);
1016         action->setShortcuts(keyList);
1017         action->setCheckable(checkable);
1018
1019         return action;
1020 }
1021
1022 void ApplicationWindow::CreateMenus(void)
1023 {
1024         QMenu * menu = menuBar()->addMenu(tr("&File"));
1025         menu->addAction(fileNewAct);
1026         menu->addAction(fileOpenAct);
1027
1028         QMenu * recentMenu = menu->addMenu(tr("Open &Recent"));
1029
1030         for(int i=0; i<MRU_MAX; i++)
1031                 recentMenu->addAction(mruAct.at(i));
1032
1033         UpdateMRUActionList();
1034
1035         menu->addAction(fileSaveAct);
1036         menu->addAction(fileSaveAsAct);
1037         menu->addAction(fileCloseAct);
1038         menu->addSeparator();
1039         menu->addAction(printPreviewAct);
1040         menu->addSeparator();
1041         menu->addAction(exitAct);
1042
1043         menu = menuBar()->addMenu(tr("&View"));
1044         menu->addAction(zoomInAct);
1045         menu->addAction(zoomOutAct);
1046
1047         menu = menuBar()->addMenu(tr("&Edit"));
1048         menu->addAction(snapToGridAct);
1049         menu->addAction(groupAct);
1050         menu->addAction(fixAngleAct);
1051         menu->addAction(fixLengthAct);
1052         menu->addAction(rotateAct);
1053         menu->addAction(mirrorAct);
1054         menu->addAction(trimAct);
1055         menu->addAction(parallelAct);
1056         menu->addAction(triangulateAct);
1057         menu->addAction(connectAct);
1058         menu->addAction(disconnectAct);
1059         menu->addSeparator();
1060         menu->addAction(selectAllAct);
1061         menu->addAction(editCutAct);
1062         menu->addAction(editCopyAct);
1063         menu->addAction(editPasteAct);
1064         menu->addAction(deleteAct);
1065         menu->addSeparator();
1066         menu->addAction(addLineAct);
1067         menu->addAction(addCircleAct);
1068         menu->addAction(addArcAct);
1069         menu->addAction(addPolygonAct);
1070         menu->addAction(addSplineAct);
1071         menu->addAction(addDimensionAct);
1072         menu->addSeparator();
1073         menu->addAction(drawingSettingsAct);
1074         menu->addAction(settingsAct);
1075
1076         menu = menuBar()->addMenu(tr("&Help"));
1077         menu->addAction(aboutAct);
1078 }
1079
1080 void ApplicationWindow::CreateToolbars(void)
1081 {
1082         QToolBar * toolbar = addToolBar(tr("File"));
1083         toolbar->setObjectName("File"); // Needed for saveState()
1084         toolbar->addAction(fileNewAct);
1085         toolbar->addAction(fileOpenAct);
1086         toolbar->addAction(fileSaveAct);
1087         toolbar->addAction(fileSaveAsAct);
1088         toolbar->addAction(fileCloseAct);
1089
1090         toolbar = addToolBar(tr("View"));
1091         toolbar->setObjectName("View");
1092         toolbar->addAction(zoomInAct);
1093         toolbar->addAction(zoomOutAct);
1094
1095         QSpinBox * spinbox = new QSpinBox;
1096         toolbar->addWidget(spinbox);
1097         toolbar->addWidget(baseUnitInput);
1098         toolbar->addWidget(dimensionSizeInput);
1099
1100         toolbar = addToolBar(tr("Edit"));
1101         toolbar->setObjectName("Edit");
1102         toolbar->addAction(snapToGridAct);
1103         toolbar->addAction(groupAct);
1104         toolbar->addAction(fixAngleAct);
1105         toolbar->addAction(fixLengthAct);
1106         toolbar->addAction(rotateAct);
1107         toolbar->addAction(mirrorAct);
1108         toolbar->addAction(trimAct);
1109         toolbar->addAction(parallelAct);
1110         toolbar->addAction(triangulateAct);
1111         toolbar->addAction(editCutAct);
1112         toolbar->addAction(editCopyAct);
1113         toolbar->addAction(editPasteAct);
1114         toolbar->addAction(deleteAct);
1115         toolbar->addAction(connectAct);
1116         toolbar->addAction(disconnectAct);
1117         toolbar->addSeparator();
1118         toolbar->addAction(addLineAct);
1119         toolbar->addAction(addCircleAct);
1120         toolbar->addAction(addArcAct);
1121         toolbar->addAction(addPolygonAct);
1122         toolbar->addAction(addSplineAct);
1123         toolbar->addAction(addDimensionAct);
1124
1125         spinbox->setRange(4, 256);
1126         spinbox->setValue(12);
1127         baseUnitInput->setText("12");
1128         connect(spinbox, SIGNAL(valueChanged(int)), this, SLOT(HandleGridSizeInPixels(int)));
1129         connect(baseUnitInput, SIGNAL(textChanged(QString)), this, SLOT(HandleGridSizeInBaseUnits(QString)));
1130         connect(dimensionSizeInput, SIGNAL(textChanged(QString)), this, SLOT(HandleDimensionSize(QString)));
1131
1132         PenWidget * pw = new PenWidget();
1133         toolbar = addToolBar(tr("Pen"));
1134         toolbar->setObjectName(tr("Pen"));
1135         toolbar->addWidget(pw);
1136         connect(drawing, SIGNAL(ObjectSelected(Object *)), pw, SLOT(SetFields(Object *)));
1137         connect(pw->tbStamp, SIGNAL(triggered(QAction *)), drawing, SLOT(HandlePenStamp(QAction *)));
1138         connect(pw->tbDropper, SIGNAL(triggered(QAction *)), drawing, SLOT(HandlePenDropper(QAction *)));
1139 }
1140
1141 void ApplicationWindow::ReadSettings(void)
1142 {
1143         QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint();
1144         QSize size = settings.value("size", QSize(400, 400)).toSize();
1145         drawing->useAntialiasing = settings.value("useAntialiasing", true).toBool();
1146         Global::snapToGrid = settings.value("snapToGrid", true).toBool();
1147         snapToGridAct->setChecked(Global::snapToGrid);
1148         resize(size);
1149         move(pos);
1150         restoreState(settings.value("windowState").toByteArray());
1151 }
1152
1153 void ApplicationWindow::WriteSettings(void)
1154 {
1155         settings.setValue("pos", pos());
1156         settings.setValue("size", size());
1157         settings.setValue("windowState", saveState());
1158         settings.setValue("useAntialiasing", drawing->useAntialiasing);
1159         settings.setValue("snapToGrid", snapToGridAct->isChecked());
1160 }
1161
1162 void ApplicationWindow::UpdateMRUActionList(void)
1163 {
1164         QStringList mruFilePaths = settings.value("recentFiles").toStringList();
1165
1166         int mruSize = (mruFilePaths.size() <= MRU_MAX ? mruFilePaths.size() : MRU_MAX);
1167
1168         for(int i=0; i<mruSize; i++)
1169         {
1170                 QString filename = QFileInfo(mruFilePaths.at(i)).fileName();
1171                 mruAct.at(i)->setText(filename);
1172                 mruAct.at(i)->setData(mruFilePaths.at(i));
1173                 mruAct.at(i)->setVisible(true);
1174         }
1175
1176         for(int i=mruSize; i<MRU_MAX; i++)
1177                 mruAct.at(i)->setVisible(false);
1178 }
1179
1180 void ApplicationWindow::AdjustMRU(const QString & filePath)
1181 {
1182         documentName = filePath;
1183         setWindowFilePath(documentName);
1184
1185         QStringList mruFilePaths = settings.value("recentFiles").toStringList();
1186         mruFilePaths.removeAll(filePath);
1187         mruFilePaths.prepend(filePath);
1188
1189         while (mruFilePaths.size() > MRU_MAX)
1190                 mruFilePaths.removeLast();
1191
1192         settings.setValue("recentFiles", mruFilePaths);
1193
1194         UpdateMRUActionList();
1195 }