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         setWindowIcon(QIcon(":/res/atns-icon.png"));
  63 //      setWindowTitle("Architektonas");
  64
  65         CreateActions();
  66         CreateMenus();
  67         CreateToolbars();
  68
  69         // Create Dock widgets
  70         QDockWidget * dock1 = new QDockWidget(tr("Layers"), this);
  71         LayerWidget * lw = new LayerWidget;
  72         dock1->setWidget(lw);
  73         addDockWidget(Qt::RightDockWidgetArea, dock1);
  74         QDockWidget * dock2 = new QDockWidget(tr("Blocks"), this);
  75         BlockWidget * bw = new BlockWidget;
  76         dock2->setWidget(bw);
  77         addDockWidget(Qt::RightDockWidgetArea, dock2);
  78         QDockWidget * dock3 = new QDockWidget(tr("Object"), this);
  79         ObjectWidget * ow = new ObjectWidget;
  80         dock3->setWidget(ow);
  81         addDockWidget(Qt::RightDockWidgetArea, dock3);
  82         QDockWidget * dock4 = new QDockWidget(tr("Command"), this);
  83         ConsoleWidget * cw = new ConsoleWidget;
  84         dock4->setWidget(cw);
  85         addDockWidget(Qt::BottomDockWidgetArea, dock4);
  86
  87         // Needed for saveState()
  88         dock1->setObjectName("Layers");
  89         dock2->setObjectName("Blocks");
  90         dock3->setObjectName("Object");
  91         dock4->setObjectName("Commands");
  92
  93         // Create status bar
  94         zoomIndicator = new QLabel("Zoom: 100% Grid: 12.0\" BU: Inch");
  95         statusBar()->addPermanentWidget(zoomIndicator);
  96         statusBar()->showMessage(tr("Ready"));
  97
  98         ReadSettings();
  99         // Make sure the bottom left corner gets owned by the right side:
 100         setCorner(Qt::BottomRightCorner, Qt::RightDockWidgetArea);
 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         setWindowFilePath(documentName);
 158         statusBar()->showMessage(tr("New drawing is ready."));
 159 }
 160
 161 void ApplicationWindow::FileOpen(void)
 162 {
 163         QString filename = QFileDialog::getOpenFileName(this, tr("Open Drawing"),
 164                 "", tr("Architektonas files (*.drawing)"));
 165
 166         // User cancelled open
 167         if (filename.isEmpty())
 168                 return;
 169
 170         LoadFile(filename);
 171 }
 172
 173 void ApplicationWindow::FileOpenRecent(void)
 174 {
 175         QAction * action = qobject_cast<QAction *>(sender());
 176
 177         if (!action)
 178                 return;
 179
 180         LoadFile(action->data().toString());
 181 }
 182
 183 void ApplicationWindow::LoadFile(QString filename)
 184 {
 185         FILE * file = fopen(filename.toUtf8().data(), "r");
 186
 187         if (file == 0)
 188         {
 189                 QMessageBox msg;
 190                 msg.setText(QString(tr("Could not open file \"%1\" for loading!")).arg(filename));
 191                 msg.setIcon(QMessageBox::Critical);
 192                 msg.exec();
 193                 return;
 194         }
 195
 196         Container container(true);      // Make sure it's a top level container...
 197         bool successful = FileIO::LoadAtnsFile(file, &container);
 198         fclose(file);
 199
 200         if (!successful)
 201         {
 202                 QMessageBox msg;
 203                 msg.setText(QString(tr("Could not load file \"%1\"!")).arg(filename));
 204                 msg.setIcon(QMessageBox::Critical);
 205                 msg.exec();
 206                 // Make sure to delete any hanging objects in the container...
 207                 DeleteContents(container.objects);
 208                 return;
 209         }
 210
 211         // Keep memory leaks from happening by getting rid of the old document
 212         DeleteContents(drawing->document.objects);
 213         emit ReloadLayers();
 214         // We can do this because the vector is just a bunch of pointers to our
 215         // Objects, and the Containers (non-empty) can be moved this way with no
 216         // problem.
 217         drawing->document = container;
 218         drawing->dirty = false;
 219         drawing->update();
 220         documentName = filename;
 221 //      setWindowTitle(QString("Architektonas - %1").arg(documentName));
 222         AdjustMRU(filename);
 223         statusBar()->showMessage(tr("Drawing loaded."));
 224 }
 225
 226 void ApplicationWindow::FileSave(void)
 227 {
 228         if (documentName.isEmpty())
 229                 documentName = QFileDialog::getSaveFileName(this, tr("Save Drawing"),
 230                         "", tr("Architektonas drawings (*.drawing)"));
 231
 232         FILE * file = fopen(documentName.toUtf8().data(), "w");
 233
 234         if (file == 0)
 235         {
 236                 QMessageBox msg;
 237                 msg.setText(QString(tr("Could not open file \"%1\" for saving!")).arg(documentName));
 238                 msg.setIcon(QMessageBox::Critical);
 239                 msg.exec();
 240                 return;
 241         }
 242
 243         bool successful = FileIO::SaveAtnsFile(file, &drawing->document);
 244         fclose(file);
 245
 246         if (!successful)
 247         {
 248                 QMessageBox msg;
 249                 msg.setText(QString(tr("Could not save file \"%1\"!")).arg(documentName));
 250                 msg.setIcon(QMessageBox::Critical);
 251                 msg.exec();
 252                 // In this case, we should unlink the created file, since it's not
 253                 // right...
 254 //              unlink(documentName.toUtf8().data());
 255                 QFile::remove(documentName);
 256                 return;
 257         }
 258
 259         drawing->dirty = false;
 260 //      setWindowTitle(QString("Architektonas - %1").arg(documentName));
 261         AdjustMRU(documentName);
 262         statusBar()->showMessage(tr("Drawing saved."));
 263 }
 264
 265 void ApplicationWindow::FileSaveAs(void)
 266 {
 267         QString filename = QFileDialog::getSaveFileName(this, tr("Save Drawing As"),
 268                 documentName, tr("Architektonas drawings (*.drawing)"));
 269
 270         if (!filename.isEmpty())
 271         {
 272                 documentName = filename;
 273                 FileSave();
 274         }
 275 }
 276
 277 void ApplicationWindow::PrintPreview(void)
 278 {
 279         QPrintPreviewDialog * dlg = new QPrintPreviewDialog(this);
 280
 281         connect(dlg, SIGNAL(paintRequested(QPrinter *)), this, SLOT(HandlePrintRequest(QPrinter *)));
 282
 283         dlg->exec();
 284 }
 285
 286 void ApplicationWindow::HandlePrintRequest(QPrinter * printer)
 287 {
 288         QPainter qtPainter(printer);
 289         Painter painter(&qtPainter);
 290
 291         // Save vars for screen
 292         Point originSave = Global::origin;
 293         double zoomSave = Global::zoom;
 294         Vector screenSizeSave = Global::screenSize;
 295
 296         // Adjust zoom + origin to fit the paper (or NxM pages if we have 'em)
 297         Rect r = drawing->GetObjectExtents((Object *)(&(drawing->document)));
 298
 299         QPageLayout pageLayout = printer->pageLayout();
 300         QRect pageRect = pageLayout.paintRectPixels(printer->resolution());
 301
 302         Global::origin = r.BottomLeft();
 303         Global::screenSize.x = pageRect.width();
 304         Global::screenSize.y = pageRect.height();
 305
 306         double xScale = (double)pageRect.width() / r.Width();
 307         double yScale = (double)pageRect.height() / r.Height();
 308         Global::zoom = qMin(xScale, yScale);
 309
 310         if (xScale < yScale)
 311                 Global::origin.y -= (((double)pageRect.height() / Global::zoom) - r.Height()) / 2.0;
 312         else
 313                 Global::origin.x -= (((double)pageRect.width() / Global::zoom) - r.Width()) / 2.0;
 314
 315         // Do object rendering...
 316         for(int i=0; i<Global::numLayers; i++)
 317                 drawing->RenderObjects(&painter, drawing->document.objects, i);
 318
 319         // Restore vars
 320         Global::origin = originSave;
 321         Global::zoom = zoomSave;
 322         Global::screenSize = screenSizeSave;
 323 }
 324
 325 //
 326 // Right-click menu
 327 //
 328 void ApplicationWindow::contextMenuEvent(QContextMenuEvent * event)
 329 {
 330         // Proof of concept, still need to code up the real thing
 331         QMenu menu(this);
 332
 333         VPVector hovered = drawing->GetHovered();
 334
 335         if ((drawing->select.size() > 0) || (hovered.size() > 0))
 336         {
 337                 QMenu * layerMenu = menu.addMenu("To layer");
 338
 339                 layerAct.clear();
 340
 341                 for(int i=0; i<Global::numLayers; i++)
 342                 {
 343                         QAction * act = new QAction(QIcon(), Global::layerName[i].c_str(), this);
 344                         act->setData(i);
 345                         layerMenu->addAction(act);
 346                         layerAct.append(act);
 347                         connect(act, SIGNAL(triggered()), this, SLOT(MoveToLayer()));
 348                 }
 349         }
 350
 351         menu.addAction(mirrorAct);
 352         menu.addAction(rotateAct);
 353         menu.addAction(trimAct);
 354         menu.exec(event->globalPos());
 355 }
 356
 357 void ApplicationWindow::MoveToLayer(void)
 358 {
 359         QAction * act = qobject_cast<QAction *>(sender());
 360
 361         drawing->MoveSelectedToLayer(act->data().toInt());
 362         drawing->update();
 363 }
 364
 365 void ApplicationWindow::SnapToGridTool(void)
 366 {
 367         Global::snapToGrid = snapToGridAct->isChecked();
 368 }
 369
 370 void ApplicationWindow::FixAngle(void)
 371 {
 372         Global::fixedAngle = fixAngleAct->isChecked();
 373 }
 374
 375 void ApplicationWindow::FixLength(void)
 376 {
 377         Global::fixedLength = fixLengthAct->isChecked();
 378 }
 379
 380 void ApplicationWindow::DeleteTool(void)
 381 {
 382         // For this tool, we check first to see if anything is selected. If so, we
 383         // delete those and *don't* select the delete tool.
 384         if (drawing->select.size() > 0)
 385         {
 386                 DeleteSelectedObjects(drawing->document.objects);
 387                 drawing->update();
 388                 deleteAct->setChecked(false);
 389                 return;
 390         }
 391
 392         // Otherwise, toggle the state of the tool
 393         ClearUIToolStatesExcept(deleteAct);
 394         SetInternalToolStates();
 395         Global::toolSuppressCrosshair = true;
 396 }
 397
 398 void ApplicationWindow::DimensionTool(void)
 399 {
 400         ClearUIToolStatesExcept(addDimensionAct);
 401         SetInternalToolStates();
 402 }
 403
 404 void ApplicationWindow::RotateTool(void)
 405 {
 406         ClearUIToolStatesExcept(rotateAct);
 407
 408         // Do tear-down if Rotate tool has been turned off
 409         if (!rotateAct->isChecked())
 410                 drawing->RotateHandler(ToolCleanup, Point(0, 0));
 411
 412         SetInternalToolStates();
 413 }
 414
 415 void ApplicationWindow::MirrorTool(void)
 416 {
 417         ClearUIToolStatesExcept(mirrorAct);
 418
 419         // Do tear-down if Rotate tool has been turned off
 420         if (!mirrorAct->isChecked())
 421                 drawing->MirrorHandler(ToolCleanup, Point(0, 0));
 422
 423         SetInternalToolStates();
 424 }
 425
 426 void ApplicationWindow::TrimTool(void)
 427 {
 428         ClearUIToolStatesExcept(trimAct);
 429         SetInternalToolStates();
 430         Global::toolSuppressCrosshair = true;
 431 }
 432
 433 void ApplicationWindow::ParallelTool(void)
 434 {
 435         ClearUIToolStatesExcept(parallelAct);
 436         SetInternalToolStates();
 437 }
 438
 439 void ApplicationWindow::TriangulateTool(void)
 440 {
 441         ClearUIToolStatesExcept(triangulateAct);
 442         SetInternalToolStates();
 443 }
 444
 445 void ApplicationWindow::AddLineTool(void)
 446 {
 447         ClearUIToolStatesExcept(addLineAct);
 448         SetInternalToolStates();
 449 }
 450
 451 void ApplicationWindow::AddCircleTool(void)
 452 {
 453         ClearUIToolStatesExcept(addCircleAct);
 454         SetInternalToolStates();
 455 }
 456
 457 void ApplicationWindow::AddArcTool(void)
 458 {
 459         ClearUIToolStatesExcept(addArcAct);
 460         SetInternalToolStates();
 461 }
 462
 463 void ApplicationWindow::AddPolygonTool(void)
 464 {
 465         ClearUIToolStatesExcept(addPolygonAct);
 466         SetInternalToolStates();
 467 }
 468
 469 void ApplicationWindow::AddSplineTool(void)
 470 {
 471         ClearUIToolStatesExcept(addSplineAct);
 472         SetInternalToolStates();
 473 }
 474
 475 void ApplicationWindow::ZoomInTool(void)
 476 {
 477         double zoomFactor = 1.20;
 478         QSize size = drawing->size();
 479         Vector center = Painter::QtToCartesianCoords(Vector(size.width() / 2.0, size.height() / 2.0));
 480
 481         Global::origin = center - ((center - Global::origin) / zoomFactor);
 482         Global::zoom *= zoomFactor;
 483
 484         UpdateZoom();
 485 }
 486
 487 void ApplicationWindow::ZoomOutTool(void)
 488 {
 489         double zoomFactor = 1.20;
 490         QSize size = drawing->size();
 491         Vector center = Painter::QtToCartesianCoords(Vector(size.width() / 2.0, size.height() / 2.0));
 492
 493         Global::origin = center + ((Global::origin - center) * zoomFactor);
 494         Global::zoom /= zoomFactor;
 495
 496         UpdateZoom();
 497 }
 498
 499 void ApplicationWindow::UpdateZoom(void)
 500 {
 501         // And now, a bunch of heuristics to select the right grid size--autogrid!
 502         // :-P
 503         if (Global::zoom < 0.25)
 504                 Global::gridSpacing = 48.0;
 505         else if (Global::zoom >= 0.25 && Global::zoom < 0.50)
 506                 Global::gridSpacing = 36.0;
 507         else if (Global::zoom >= 0.50 && Global::zoom < 1.00)
 508                 Global::gridSpacing = 24.0;
 509         else if (Global::zoom >= 1.00 && Global::zoom < 2.00)
 510                 Global::gridSpacing = 12.0;
 511         else if (Global::zoom >= 2.00 && Global::zoom < 4.00)
 512                 Global::gridSpacing = 6.0;
 513         else if (Global::zoom >= 4.00 && Global::zoom < 8.00)
 514                 Global::gridSpacing = 3.0;
 515         else if (Global::zoom >= 8.00 && Global::zoom < 16.00)
 516                 Global::gridSpacing = 1.0;
 517         else if (Global::zoom >= 16.00 && Global::zoom < 32.00)
 518                 Global::gridSpacing = 0.5;
 519         else if (Global::zoom >= 32.00 && Global::zoom < 64.00)
 520                 Global::gridSpacing = 0.25;
 521         else if (Global::zoom >= 64.00 && Global::zoom < 128.00)
 522                 Global::gridSpacing = 0.125;
 523         else if (Global::zoom >= 128.00 && Global::zoom < 256.00)
 524                 Global::gridSpacing = 0.0625;
 525         else if (Global::zoom >= 256.00 && Global::zoom < 512.00)
 526                 Global::gridSpacing = 0.03125;
 527         else
 528                 Global::gridSpacing = 0.015625;
 529
 530         drawing->update();
 531
 532         zoomIndicator->setText(QString("Zoom: %1% Grid: %2\" BU: Inch").arg(Global::zoom * 100.0).arg(Global::gridSpacing));
 533
 534         // This is the problem...  Changing this causes the state to update itself again, screwing up the origin...  !!! FIX !!! (commented out for now)
 535 //      baseUnitInput->setText(QString("%1").arg(Global::gridSpacing));
 536 }
 537
 538 void ApplicationWindow::ClearUIToolStatesExcept(QAction * exception)
 539 {
 540         QAction * actionList[] = {
 541                 addArcAct, addLineAct, addCircleAct, addDimensionAct, addPolygonAct,
 542                 addSplineAct, deleteAct, rotateAct, mirrorAct, trimAct,
 543                 triangulateAct, 0
 544         };
 545
 546         for(int i=0; actionList[i]!=0; i++)
 547         {
 548                 if (actionList[i] != exception)
 549                         actionList[i]->setChecked(false);
 550         }
 551 }
 552
 553 void ApplicationWindow::SetInternalToolStates(void)
 554 {
 555         // We can be sure that if we've come here, then either an active tool is
 556         // being deactivated, or a new tool is being activated.  In either case,
 557         // the tool state needs to be reset.  Also, we reset the crosshair
 558         // suppression flag.
 559         Global::toolState = TSNone;
 560         Global::toolSuppressCrosshair = false;
 561
 562         if (addLineAct->isChecked())
 563                 Global::tool = TTLine;
 564         else if (addCircleAct->isChecked())
 565                 Global::tool = TTCircle;
 566         else if (addArcAct->isChecked())
 567                 Global::tool = TTArc;
 568         else if (addDimensionAct->isChecked())
 569                 Global::tool = TTDimension;
 570         else if (addSplineAct->isChecked())
 571                 Global::tool = TTSpline;
 572         else if (addPolygonAct->isChecked())
 573                 Global::tool = TTPolygon;
 574         else if (deleteAct->isChecked())
 575                 Global::tool = TTDelete;
 576         else if (mirrorAct->isChecked())
 577                 Global::tool = TTMirror;
 578         else if (rotateAct->isChecked())
 579                 Global::tool = TTRotate;
 580         else if (trimAct->isChecked())
 581                 Global::tool = TTTrim;
 582         else if (parallelAct->isChecked())
 583                 Global::tool = TTParallel;
 584         else if (triangulateAct->isChecked())
 585                 Global::tool = TTTriangulate;
 586         else
 587                 Global::tool = TTNone;
 588
 589         drawing->update();
 590 }
 591
 592 void ApplicationWindow::HelpAbout(void)
 593 {
 594         aboutWin->show();
 595 }
 596
 597 void ApplicationWindow::Settings(void)
 598 {
 599         SettingsDialog dlg(this);
 600         dlg.generalTab->antialiasChk->setChecked(drawing->useAntialiasing);
 601
 602         if (dlg.exec() == false)
 603                 return;
 604
 605         // Deal with stuff here (since user hit "OK" button...)
 606         drawing->useAntialiasing = dlg.generalTab->antialiasChk->isChecked();
 607         WriteSettings();
 608 }
 609
 610 //
 611 // Group a bunch of selected objects (which can include other groups) together
 612 // or ungroup a selected group.
 613 //
 614 void ApplicationWindow::HandleGrouping(void)
 615 {
 616         int numSelected = drawing->select.size();
 617
 618         // If nothing selected, do nothing
 619         if (numSelected == 0)
 620         {
 621                 statusBar()->showMessage(tr("No objects selected to make a group from."));
 622                 return;
 623         }
 624
 625         // If it's a group that's selected, ungroup it and leave the objects in a
 626         // selected state
 627         if (numSelected == 1)
 628         {
 629                 Object * obj = (Object *)drawing->select[0];
 630
 631                 if (obj->type != OTContainer)
 632                 {
 633                         statusBar()->showMessage(tr("A group requires two or more selected objects."));
 634                         return;
 635                 }
 636
 637                 // Need the parent of the group, we're assuming here that the parent is
 638                 // the drawing's document. Does it matter? Maybe...
 639                 // Could just stipulate that grouping like this only takes place where
 640                 // the parent of the group is the drawing's document. Makes life much
 641                 // simpler.
 642                 Container * c = (Container *)obj;
 643                 SelectAll(c->objects);
 644                 RemoveSelectedObjects(drawing->document.objects);
 645                 AddObjectsTo(drawing->document.objects, c->objects);
 646                 drawing->select.clear();
 647                 AddObjectsTo(drawing->select, c->objects);
 648                 delete c;
 649                 statusBar()->showMessage(tr("Objects ungrouped."));
 650 //printf("Ungroup: document size = %li\n", drawing->document.objects.size());
 651         }
 652         // Otherwise, if it's a group of 2 or more objects (which can be groups too)
 653         // group them and select the group
 654         else if (numSelected > 1)
 655         {
 656                 Container * c = new Container();
 657                 MoveSelectedObjectsTo(c->objects, drawing->document.objects);
 658                 drawing->document.objects.push_back(c);
 659                 ClearSelected(c->objects);
 660                 c->selected = true;
 661                 c->layer = Global::activeLayer;
 662
 663                 Rect r = drawing->GetObjectExtents((Object *)c);
 664                 c->p[0] = r.TopLeft();
 665                 c->p[1] = r.BottomRight();
 666
 667                 drawing->select.clear();
 668                 drawing->select.push_back(c);
 669                 statusBar()->showMessage(QString(tr("Grouped %1 objects.")).arg(numSelected));
 670 //printf("Group: document size = %li\n", drawing->document.objects.size());
 671         }
 672
 673         drawing->update();
 674 }
 675
 676 void ApplicationWindow::HandleConnection(void)
 677 {
 678 #if 0
 679 //double tt = Geometry::ParameterOfLineAndPoint(Vector(0, 0), Vector(10, 0), Vector(8, 2));
 680 //printf("Parameter of point @ (8,2) of line (0,0), (10,0): %lf\n", tt);
 681         int itemsSelected = drawing->document.ItemsSelected();
 682
 683         // If nothing selected, do nothing
 684         if (itemsSelected == 0)
 685         {
 686                 statusBar()->showMessage(tr("No objects selected to connect."));
 687                 return;
 688         }
 689
 690         // If one thing selected, do nothing
 691         if (itemsSelected == 1)
 692         {
 693                 statusBar()->showMessage(tr("Nothing to connect object to."));
 694                 return;
 695         }
 696
 697         // This is O(n^2 / 2) :-P
 698         for(int i=0; i<itemsSelected; i++)
 699         {
 700                 Object * obj1 = drawing->document.SelectedItem(i);
 701
 702                 for(int j=i+1; j<itemsSelected; j++)
 703                 {
 704                         Object * obj2 = drawing->document.SelectedItem(j);
 705                         double t, u, v, w;
 706
 707 //                      if ((obj1->type != OTLine) || (obj2->type != OTLine))
 708 //                              continue;
 709
 710                         if ((obj1->type == OTLine) && (obj2->type == OTLine))
 711                         {
 712 //printf("Testing objects for intersection (%X, %X)...\n", obj1, obj2);
 713                                 int intersects = Geometry::Intersects((Line *)obj1, (Line *)obj2, &t, &u);
 714 //printf("  (%s) --> t=%lf, u=%lf\n", (intersects ? "true" : "FALSE"), t, u);
 715
 716                                 if (intersects)
 717                                 {
 718         //printf("Connecting objects (%X, %X)...\n", obj1, obj2);
 719                                         obj1->Connect(obj2, u);
 720                                         obj2->Connect(obj1, t);
 721                                 }
 722                         }
 723                         else if (((obj1->type == OTLine) && (obj2->type == OTDimension))
 724                                 || ((obj2->type == OTLine) && (obj1->type == OTDimension)))
 725                         {
 726 printf("Testing Line<->Dimension intersection...\n");
 727                                 Line * line = (Line *)(obj1->type == OTLine ? obj1 : obj2);
 728                                 Dimension * dim = (Dimension *)(obj1->type == OTDimension ? obj1 : obj2);
 729
 730                                 int intersects = Geometry::Intersects(line, dim, &t, &u);
 731 printf("   -> intersects = %i, t=%lf, u=%lf\n", intersects, t, u);
 732
 733                                 if (intersects)
 734                                 {
 735                                         obj1->Connect(obj2, u);
 736                                         obj2->Connect(obj1, t);
 737                                 }
 738                         }
 739                 }
 740         }
 741 #else
 742 #endif
 743 }
 744
 745 void ApplicationWindow::HandleDisconnection(void)
 746 {
 747 }
 748
 749 void ApplicationWindow::HandleGridSizeInPixels(int /*size*/)
 750 {
 751 //      drawing->SetGridSize((uint32_t)size);
 752         drawing->update();
 753 }
 754
 755 void ApplicationWindow::HandleGridSizeInBaseUnits(QString text)
 756 {
 757         // Parse the text...
 758         bool ok;
 759         double value = text.toDouble(&ok);
 760
 761         // Nothing parsable to a double, so quit...
 762         if (!ok || value == 0)
 763                 return;
 764
 765         Global::gridSpacing = value;
 766         Global::zoom = drawing->gridPixels / Global::gridSpacing;
 767         drawing->update();
 768 }
 769
 770 void ApplicationWindow::HandleDimensionSize(QString text)
 771 {
 772 /*
 773 This is the third input on the view toolbar; not sure what it was supposed to do... (resize all dimensions in the drawing?)
 774 */
 775         // Parse the text...
 776         bool ok;
 777         double value = text.toDouble(&ok);
 778
 779         // Nothing parsable to a double, so quit...
 780         if (!ok || value == 0)
 781                 return;
 782
 783 //      drawing->document.ResizeAllDimensions(value);
 784         drawing->update();
 785 }
 786
 787 void ApplicationWindow::EditCopy(void)
 788 {
 789         if (drawing->select.size() > 0)
 790         {
 791                 DeleteContents(clipboard);
 792                 clipboard = CopySelectedObjects(drawing->document.objects);
 793         }
 794 }
 795
 796 void ApplicationWindow::EditCut(void)
 797 {
 798         if (drawing->select.size() > 0)
 799         {
 800                 DeleteContents(clipboard);
 801                 clipboard = MoveSelectedObjectsFrom(drawing->document.objects);
 802                 drawing->update();
 803         }
 804 }
 805
 806 void ApplicationWindow::EditPaste(void)
 807 {
 808         if (clipboard.size() > 0)
 809         {
 810                 // We want to maybe make it so that the pasted objects are being moved in a "mouse drag" state...
 811                 ClearSelected(drawing->document.objects);
 812                 SelectAll(clipboard);
 813                 drawing->document.Add(CopyObjects(clipboard));
 814                 drawing->update();
 815         }
 816 }
 817
 818 //
 819 // Select all *visible* objects.  If an object is on a layer that is not
 820 // visible, skip it.
 821 //
 822 void ApplicationWindow::SelectAllObjects(void)
 823 {
 824         // Set object's state & update the drawing
 825         SelectAll(drawing->document.objects);
 826         drawing->update();
 827 }
 828
 829 void ApplicationWindow::CreateActions(void)
 830 {
 831         exitAct = CreateAction(tr("&Quit"), tr("Quit"), tr("Exits the application."),
 832                 QIcon(":/res/quit.png"), QKeySequence(tr("Ctrl+q")));
 833         connect(exitAct, SIGNAL(triggered()), this, SLOT(close()));
 834
 835         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);
 836         connect(snapToGridAct, SIGNAL(triggered()), this, SLOT(SnapToGridTool()));
 837
 838         fixAngleAct = CreateAction(tr("Fix &Angle"), tr("Fix Angle"), tr("Fixes the angle of an object."),
 839                 QIcon(":/res/fix-angle.png"), QKeySequence(tr("F,A")), true);
 840         connect(fixAngleAct, SIGNAL(triggered()), this, SLOT(FixAngle()));
 841
 842         fixLengthAct = CreateAction(tr("Fix &Length"), tr("Fix Length"), tr("Fixes the length of an object."),
 843                 QIcon(":/res/fix-length.png"), QKeySequence(tr("F,L")), true);
 844         connect(fixLengthAct, SIGNAL(triggered()), this, SLOT(FixLength()));
 845
 846         deleteAct = CreateAction(tr("&Delete"), tr("Delete Object"), tr("Deletes selected objects."), QIcon(":/res/delete-tool.png"), QKeySequence(tr("Delete")), true);
 847         connect(deleteAct, SIGNAL(triggered()), this, SLOT(DeleteTool()));
 848
 849         addDimensionAct = CreateAction(tr("Add &Dimension"), tr("Add Dimension"), tr("Adds a dimension to the drawing."), QIcon(":/res/dimension-tool.png"), QKeySequence("D,I"), true);
 850         connect(addDimensionAct, SIGNAL(triggered()), this, SLOT(DimensionTool()));
 851
 852         addLineAct = CreateAction(tr("Add &Line"), tr("Add Line"), tr("Adds lines to the drawing."), QIcon(":/res/add-line-tool.png"), QKeySequence("A,L"), true);
 853         connect(addLineAct, SIGNAL(triggered()), this, SLOT(AddLineTool()));
 854
 855         addCircleAct = CreateAction(tr("Add &Circle"), tr("Add Circle"), tr("Adds circles to the drawing."), QIcon(":/res/add-circle-tool.png"), QKeySequence("A,C"), true);
 856         connect(addCircleAct, SIGNAL(triggered()), this, SLOT(AddCircleTool()));
 857
 858         addArcAct = CreateAction(tr("Add &Arc"), tr("Add Arc"), tr("Adds arcs to the drawing."), QIcon(":/res/add-arc-tool.png"), QKeySequence("A,A"), true);
 859         connect(addArcAct, SIGNAL(triggered()), this, SLOT(AddArcTool()));
 860
 861         addPolygonAct = CreateAction(tr("Add &Polygon"), tr("Add Polygon"), tr("Add polygons to the drawing."), QIcon(":/res/add-polygon-tool.png"), QKeySequence("A,P"), true);
 862         connect(addPolygonAct, SIGNAL(triggered()), this, SLOT(AddPolygonTool()));
 863
 864         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);
 865         connect(addSplineAct, SIGNAL(triggered()), this, SLOT(AddSplineTool()));
 866
 867         aboutAct = CreateAction(tr("About &Architektonas"), tr("About Architektonas"), tr("Gives information about this program."), QIcon(":/res/generic-tool.png"), QKeySequence());
 868         connect(aboutAct, SIGNAL(triggered()), this, SLOT(HelpAbout()));
 869
 870         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);
 871         connect(rotateAct, SIGNAL(triggered()), this, SLOT(RotateTool()));
 872
 873         zoomInAct = CreateAction(tr("Zoom &In"), tr("Zoom In"), tr("Zoom in on the document."), QIcon(":/res/zoom-in.png"), QKeySequence(tr("+")), QKeySequence(tr("=")));
 874         connect(zoomInAct, SIGNAL(triggered()), this, SLOT(ZoomInTool()));
 875
 876         zoomOutAct = CreateAction(tr("Zoom &Out"), tr("Zoom Out"), tr("Zoom out of the document."), QIcon(":/res/zoom-out.png"), QKeySequence(tr("-")));
 877         connect(zoomOutAct, SIGNAL(triggered()), this, SLOT(ZoomOutTool()));
 878
 879         fileNewAct = CreateAction(tr("&New Drawing"), tr("New Drawing"), tr("Creates a new drawing."), QIcon(":/res/file-new.png"), QKeySequence(tr("Ctrl+n")));
 880         connect(fileNewAct, SIGNAL(triggered()), this, SLOT(FileNew()));
 881
 882         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")));
 883         connect(fileOpenAct, SIGNAL(triggered()), this, SLOT(FileOpen()));
 884
 885         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")));
 886         connect(fileSaveAct, SIGNAL(triggered()), this, SLOT(FileSave()));
 887
 888         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")));
 889         connect(fileSaveAsAct, SIGNAL(triggered()), this, SLOT(FileSaveAs()));
 890
 891         fileCloseAct = CreateAction(tr("&Close Drawing"), tr("Close Drawing"), tr("Closes the current drawing."), QIcon(":/res/file-close.png"), QKeySequence(tr("Ctrl+w")));
 892
 893         settingsAct = CreateAction(tr("&Settings"), tr("Settings"), tr("Change certain defaults for Architektonas."), QIcon(":/res/settings.png"), QKeySequence());
 894         connect(settingsAct, SIGNAL(triggered()), this, SLOT(Settings()));
 895
 896         groupAct = CreateAction(tr("&Group"), tr("Group"), tr("Group/ungroup selected objects."), QIcon(":/res/group-tool.png"), QKeySequence("g"));
 897         connect(groupAct, SIGNAL(triggered()), this, SLOT(HandleGrouping()));
 898
 899         connectAct = CreateAction(tr("&Connect"), tr("Connect"), tr("Connect objects at point."), QIcon(":/res/connect-tool.png"), QKeySequence("c,c"));
 900         connect(connectAct, SIGNAL(triggered()), this, SLOT(HandleConnection()));
 901
 902         disconnectAct = CreateAction(tr("&Disconnect"), tr("Disconnect"), tr("Disconnect objects joined at point."), QIcon(":/res/disconnect-tool.png"), QKeySequence("d,d"));
 903         connect(disconnectAct, SIGNAL(triggered()), this, SLOT(HandleDisconnection()));
 904
 905         mirrorAct = CreateAction(tr("&Mirror"), tr("Mirror"), tr("Mirror selected objects around a line."), QIcon(":/res/mirror-tool.png"), QKeySequence("m,i"), true);
 906         connect(mirrorAct, SIGNAL(triggered()), this, SLOT(MirrorTool()));
 907
 908         trimAct = CreateAction(tr("&Trim"), tr("Trim"), tr("Trim extraneous lines from selected objects."), QIcon(":/res/trim-tool.png"), QKeySequence("t,r"), true);
 909         connect(trimAct, SIGNAL(triggered()), this, SLOT(TrimTool()));
 910
 911         parallelAct = CreateAction(tr("&Parallel"), tr("Parallel"), tr("Create copies of objects parallel to the original."), QIcon(":/res/parallel-tool.png"), QKeySequence("p,a"), true);
 912         connect(parallelAct, SIGNAL(triggered()), this, SLOT(ParallelTool()));
 913
 914         triangulateAct = CreateAction(tr("&Triangulate"), tr("Triangulate"), tr("Make triangles from selected lines, preserving their lengths."), QIcon(":/res/triangulate-tool.png"), QKeySequence("t,g"), true);
 915         connect(triangulateAct, SIGNAL(triggered()), this, SLOT(TriangulateTool()));
 916
 917         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")));
 918         connect(editCutAct, SIGNAL(triggered()), this, SLOT(EditCut()));
 919
 920         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")));
 921         connect(editCopyAct, SIGNAL(triggered()), this, SLOT(EditCopy()));
 922
 923         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")));
 924         connect(editPasteAct, SIGNAL(triggered()), this, SLOT(EditPaste()));
 925
 926         selectAllAct = CreateAction(tr("Select &All"), tr("Select All Objects"), tr("Select all objects in the drawing."), QIcon(), QKeySequence(tr("Ctrl+a")));
 927         connect(selectAllAct, SIGNAL(triggered()), this, SLOT(SelectAllObjects()));
 928
 929         printPreviewAct = CreateAction(tr("&Print Preview"), tr("Print Preview"), tr("Shows preview of printing operation."), QIcon(":/res/print-preview.png"), QKeySequence(tr("Ctrl+p")));
 930         connect(printPreviewAct, SIGNAL(triggered()), this, SLOT(PrintPreview()));
 931
 932 //Hm. I think we'll have to have separate logic to do the "Radio Group Toolbar" thing...
 933 // Yup, in order to turn them off, we'd have to have an "OFF" toolbar button. Ick.
 934 /*      QActionGroup * group = new QActionGroup(this);
 935         group->addAction(deleteAct);
 936         group->addAction(addDimensionAct);
 937         group->addAction(addLineAct);
 938         group->addAction(addCircleAct);
 939         group->addAction(addArcAct);//*/
 940
 941         for(int i=0; i<MRU_MAX; i++)
 942         {
 943                 QAction * rfa = new QAction(this);
 944                 rfa->setVisible(false);
 945                 connect(rfa, SIGNAL(triggered()), this, SLOT(FileOpenRecent()));
 946                 mruAct.append(rfa);
 947         }
 948 }
 949
 950 //
 951 // Consolidates action creation from a multi-step process to a single-step one.
 952 //
 953 QAction * ApplicationWindow::CreateAction(QString name, QString tooltip,
 954         QString statustip, QIcon icon, QKeySequence key, bool checkable/*= false*/)
 955 {
 956         QAction * action = new QAction(icon, name, this);
 957         action->setToolTip(tooltip);
 958         action->setStatusTip(statustip);
 959         action->setShortcut(key);
 960         action->setCheckable(checkable);
 961
 962         return action;
 963 }
 964
 965 //
 966 // This is essentially the same as the previous function, but this allows more
 967 // than one key sequence to be added as key shortcuts.
 968 //
 969 QAction * ApplicationWindow::CreateAction(QString name, QString tooltip,
 970         QString statustip, QIcon icon, QKeySequence key1, QKeySequence key2,
 971         bool checkable/*= false*/)
 972 {
 973         QAction * action = new QAction(icon, name, this);
 974         action->setToolTip(tooltip);
 975         action->setStatusTip(statustip);
 976         QList<QKeySequence> keyList;
 977         keyList.append(key1);
 978         keyList.append(key2);
 979         action->setShortcuts(keyList);
 980         action->setCheckable(checkable);
 981
 982         return action;
 983 }
 984
 985 void ApplicationWindow::CreateMenus(void)
 986 {
 987         QMenu * menu = menuBar()->addMenu(tr("&File"));
 988         menu->addAction(fileNewAct);
 989         menu->addAction(fileOpenAct);
 990
 991         QMenu * recentMenu = menu->addMenu(tr("Open &Recent"));
 992
 993         for(int i=0; i<MRU_MAX; i++)
 994                 recentMenu->addAction(mruAct.at(i));
 995
 996         UpdateMRUActionList();
 997
 998         menu->addAction(fileSaveAct);
 999         menu->addAction(fileSaveAsAct);
1000         menu->addAction(fileCloseAct);
1001         menu->addSeparator();
1002         menu->addAction(printPreviewAct);
1003         menu->addSeparator();
1004         menu->addAction(exitAct);
1005
1006         menu = menuBar()->addMenu(tr("&View"));
1007         menu->addAction(zoomInAct);
1008         menu->addAction(zoomOutAct);
1009
1010         menu = menuBar()->addMenu(tr("&Edit"));
1011         menu->addAction(snapToGridAct);
1012         menu->addAction(groupAct);
1013         menu->addAction(fixAngleAct);
1014         menu->addAction(fixLengthAct);
1015         menu->addAction(rotateAct);
1016         menu->addAction(mirrorAct);
1017         menu->addAction(trimAct);
1018         menu->addAction(parallelAct);
1019         menu->addAction(triangulateAct);
1020         menu->addAction(connectAct);
1021         menu->addAction(disconnectAct);
1022         menu->addSeparator();
1023         menu->addAction(selectAllAct);
1024         menu->addAction(editCutAct);
1025         menu->addAction(editCopyAct);
1026         menu->addAction(editPasteAct);
1027         menu->addAction(deleteAct);
1028         menu->addSeparator();
1029         menu->addAction(addLineAct);
1030         menu->addAction(addCircleAct);
1031         menu->addAction(addArcAct);
1032         menu->addAction(addPolygonAct);
1033         menu->addAction(addSplineAct);
1034         menu->addAction(addDimensionAct);
1035         menu->addSeparator();
1036         menu->addAction(settingsAct);
1037
1038         menu = menuBar()->addMenu(tr("&Help"));
1039         menu->addAction(aboutAct);
1040 }
1041
1042 void ApplicationWindow::CreateToolbars(void)
1043 {
1044         QToolBar * toolbar = addToolBar(tr("File"));
1045         toolbar->setObjectName("File"); // Needed for saveState()
1046         toolbar->addAction(fileNewAct);
1047         toolbar->addAction(fileOpenAct);
1048         toolbar->addAction(fileSaveAct);
1049         toolbar->addAction(fileSaveAsAct);
1050         toolbar->addAction(fileCloseAct);
1051
1052         toolbar = addToolBar(tr("View"));
1053         toolbar->setObjectName("View");
1054         toolbar->addAction(zoomInAct);
1055         toolbar->addAction(zoomOutAct);
1056
1057         QSpinBox * spinbox = new QSpinBox;
1058         toolbar->addWidget(spinbox);
1059         toolbar->addWidget(baseUnitInput);
1060         toolbar->addWidget(dimensionSizeInput);
1061
1062         toolbar = addToolBar(tr("Edit"));
1063         toolbar->setObjectName("Edit");
1064         toolbar->addAction(snapToGridAct);
1065         toolbar->addAction(groupAct);
1066         toolbar->addAction(fixAngleAct);
1067         toolbar->addAction(fixLengthAct);
1068         toolbar->addAction(rotateAct);
1069         toolbar->addAction(mirrorAct);
1070         toolbar->addAction(trimAct);
1071         toolbar->addAction(parallelAct);
1072         toolbar->addAction(triangulateAct);
1073         toolbar->addAction(editCutAct);
1074         toolbar->addAction(editCopyAct);
1075         toolbar->addAction(editPasteAct);
1076         toolbar->addAction(deleteAct);
1077         toolbar->addAction(connectAct);
1078         toolbar->addAction(disconnectAct);
1079         toolbar->addSeparator();
1080         toolbar->addAction(addLineAct);
1081         toolbar->addAction(addCircleAct);
1082         toolbar->addAction(addArcAct);
1083         toolbar->addAction(addPolygonAct);
1084         toolbar->addAction(addSplineAct);
1085         toolbar->addAction(addDimensionAct);
1086
1087         spinbox->setRange(4, 256);
1088         spinbox->setValue(12);
1089         baseUnitInput->setText("12");
1090         connect(spinbox, SIGNAL(valueChanged(int)), this, SLOT(HandleGridSizeInPixels(int)));
1091         connect(baseUnitInput, SIGNAL(textChanged(QString)), this, SLOT(HandleGridSizeInBaseUnits(QString)));
1092         connect(dimensionSizeInput, SIGNAL(textChanged(QString)), this, SLOT(HandleDimensionSize(QString)));
1093
1094         PenWidget * pw = new PenWidget();
1095         toolbar = addToolBar(tr("Pen"));
1096         toolbar->setObjectName(tr("Pen"));
1097         toolbar->addWidget(pw);
1098         connect(drawing, SIGNAL(ObjectSelected(Object *)), pw, SLOT(SetFields(Object *)));
1099         connect(pw->tbStamp, SIGNAL(triggered(QAction *)), drawing, SLOT(HandlePenStamp(QAction *)));
1100         connect(pw->tbDropper, SIGNAL(triggered(QAction *)), drawing, SLOT(HandlePenDropper(QAction *)));
1101 }
1102
1103 void ApplicationWindow::ReadSettings(void)
1104 {
1105         QPoint pos = settings.value("pos", QPoint(200, 200)).toPoint();
1106         QSize size = settings.value("size", QSize(400, 400)).toSize();
1107         drawing->useAntialiasing = settings.value("useAntialiasing", true).toBool();
1108         snapToGridAct->setChecked(settings.value("snapToGrid", true).toBool());
1109         resize(size);
1110         move(pos);
1111         restoreState(settings.value("windowState").toByteArray());
1112 }
1113
1114 void ApplicationWindow::WriteSettings(void)
1115 {
1116         settings.setValue("pos", pos());
1117         settings.setValue("size", size());
1118         settings.setValue("windowState", saveState());
1119         settings.setValue("useAntialiasing", drawing->useAntialiasing);
1120         settings.setValue("snapToGrid", snapToGridAct->isChecked());
1121 }
1122
1123 void ApplicationWindow::UpdateMRUActionList(void)
1124 {
1125         QStringList mruFilePaths = settings.value("recentFiles").toStringList();
1126
1127         int mruSize = (mruFilePaths.size() <= MRU_MAX ? mruFilePaths.size() : MRU_MAX);
1128
1129         for(int i=0; i<mruSize; i++)
1130         {
1131                 QString filename = QFileInfo(mruFilePaths.at(i)).fileName();
1132                 mruAct.at(i)->setText(filename);
1133                 mruAct.at(i)->setData(mruFilePaths.at(i));
1134                 mruAct.at(i)->setVisible(true);
1135         }
1136
1137         for(int i=mruSize; i<MRU_MAX; i++)
1138                 mruAct.at(i)->setVisible(false);
1139 }
1140
1141 void ApplicationWindow::AdjustMRU(const QString & filePath)
1142 {
1143         documentName = filePath;
1144         setWindowFilePath(documentName);
1145
1146         QStringList mruFilePaths = settings.value("recentFiles").toStringList();
1147         mruFilePaths.removeAll(filePath);
1148         mruFilePaths.prepend(filePath);
1149
1150         while (mruFilePaths.size() > MRU_MAX)
1151                 mruFilePaths.removeLast();
1152
1153         settings.setValue("recentFiles", mruFilePaths);
1154
1155         UpdateMRUActionList();
1156 }