contrib/samples/ogl/studio/studio.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        Studio.cpp
   3 // Purpose:     Studio application class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     27/7/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20 #include "wx/wx.h"
  21 #include "wx/mdi.h"
  22 #endif
  23
  24 #include <wx/deprecated/setup.h>
  25 #include <wx/deprecated/resource.h>
  26 #include "wx/config.h"
  27 #include "wx/laywin.h"
  28
  29 #include "studio.h"
  30 #include "view.h"
  31 #include "doc.h"
  32 #include "mainfrm.h"
  33 #include "cspalette.h"
  34 #include "project.h"
  35 #include "symbols.h"
  36
  37 #if defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
  38 #include "bitmaps/new.xpm"
  39 #include "bitmaps/open.xpm"
  40 #include "bitmaps/save.xpm"
  41 #include "bitmaps/copy.xpm"
  42 #include "bitmaps/cut.xpm"
  43 #include "bitmaps/paste.xpm"
  44 #include "bitmaps/print.xpm"
  45 #include "bitmaps/help.xpm"
  46 #include "bitmaps/undo.xpm"
  47 #include "bitmaps/redo.xpm"
  48
  49 #include "bitmaps/alignl.xpm"
  50 #include "bitmaps/alignr.xpm"
  51 #include "bitmaps/alignt.xpm"
  52 #include "bitmaps/alignb.xpm"
  53 #include "bitmaps/horiz.xpm"
  54 #include "bitmaps/vert.xpm"
  55 #include "bitmaps/copysize.xpm"
  56 #include "bitmaps/linearrow.xpm"
  57 #include "bitmaps/newpoint.xpm"
  58 #include "bitmaps/cutpoint.xpm"
  59 #include "bitmaps/straight.xpm"
  60
  61 #include "studio.xpm"
  62 #endif
  63
  64 IMPLEMENT_APP(csApp)
  65
  66 csApp::csApp()
  67 {
  68     m_docManager = NULL;
  69     m_diagramPalette = NULL;
  70     m_diagramToolBar = NULL;
  71     m_projectTreeCtrl = NULL;
  72     m_diagramPaletteSashWindow = NULL;
  73     m_projectSashWindow = NULL;
  74     m_symbolDatabase = NULL;
  75     m_pointSizeComboBox = NULL;
  76     m_zoomComboBox = NULL;
  77     m_shapeEditMenu = NULL;
  78
  79     // Configuration
  80     m_mainFramePos.x = 20;
  81     m_mainFramePos.y = 20;
  82     m_mainFrameSize.x = 500;
  83     m_mainFrameSize.y = 400;
  84     m_gridStyle = csGRID_STYLE_INVISIBLE;
  85     m_gridSpacing = 5;
  86 }
  87
  88 csApp::~csApp()
  89 {
  90 }
  91
  92 // Initialise this in OnInit, not statically
  93 bool csApp::OnInit(void)
  94 {
  95   if (!wxResourceParseFile("studio_resources.wxr"))
  96   {
  97     wxMessageBox("Could not find or parse resource file: studio_resources.wxr", "Studio");
  98     return FALSE;
  99   }
 100
 101   m_helpController.Initialize("studio.hlp");
 102
 103   ReadOptions();
 104
 105   wxOGLInitialize();
 106
 107   InitSymbols();
 108
 109   //// Create a document manager
 110   m_docManager = new wxDocManager;
 111
 112   //// Create a template relating drawing documents to their views
 113   (void) new wxDocTemplate(m_docManager, "Diagram", "*.dia", "", "dia", "Diagram Doc", "Diagram View",
 114           CLASSINFO(csDiagramDocument), CLASSINFO(csDiagramView));
 115
 116   // Create the main frame window.
 117   // Note that we use a frame style that doesn't have wxCLIP_CHILDREN in it
 118   // (the default frame style contains wxCLIP_CHILDREN), otherwise the client
 119   // area doesn't refresh properly when we change its position, under Windows.
 120
 121 #define wxDEFAULT_FRAME_STYLE_NO_CLIP \
 122   (wxSYSTEM_MENU | wxRESIZE_BORDER | wxMINIMIZE_BOX | wxMAXIMIZE_BOX | wxTHICK_FRAME | wxSYSTEM_MENU | wxCAPTION)
 123
 124   csFrame* frame = new csFrame(m_docManager, NULL, -1, "OGL Studio", m_mainFramePos, m_mainFrameSize,
 125    wxDEFAULT_FRAME_STYLE_NO_CLIP | wxHSCROLL | wxVSCROLL);
 126
 127   // Give it an icon
 128   frame->SetIcon(wxICON(studio));
 129
 130   // Make a menubar
 131   wxMenu *fileMenu = new wxMenu;
 132
 133   fileMenu->Append(wxID_NEW, "&New...\tCtrl+N");
 134   fileMenu->Append(wxID_OPEN, "&Open...\tCtrl+O");
 135
 136   fileMenu->AppendSeparator();
 137
 138   fileMenu->Append(wxID_PRINT, "&Print...\tCtrl+P");
 139   fileMenu->Append(wxID_PRINT_SETUP, "Print &Setup...");
 140   fileMenu->Append(wxID_PREVIEW, "Print Pre&view");
 141   fileMenu->AppendSeparator();
 142   fileMenu->Append(wxID_EXIT, "E&xit");
 143
 144   // A history of files visited. Use this menu.
 145   m_docManager->FileHistoryUseMenu(fileMenu);
 146
 147   wxMenu *viewMenu = new wxMenu;
 148   viewMenu->Append(ID_CS_SETTINGS, "&Settings...");
 149
 150   wxMenu *helpMenu = new wxMenu;
 151   helpMenu->Append(wxID_HELP, "&Help Contents\tF1");
 152   helpMenu->Append(ID_CS_ABOUT, "&About");
 153
 154   wxMenuBar *menuBar = new wxMenuBar;
 155
 156   menuBar->Append(fileMenu, "&File");
 157   menuBar->Append(viewMenu, "&View");
 158   menuBar->Append(helpMenu, "&Help");
 159
 160   // Associate the menu bar with the frame
 161   frame->SetMenuBar(menuBar);
 162
 163   // Load the file history
 164   wxConfig config("OGL Studio", "wxWindows");
 165   m_docManager->FileHistoryLoad(config);
 166
 167   frame->CreateStatusBar();
 168
 169   // The ordering of these is important for layout purposes
 170   CreateDiagramToolBar(frame);
 171   CreatePalette(frame);
 172
 173   /*
 174   CreateProjectWindow(frame);
 175   FillProjectTreeCtrl();
 176   */
 177
 178   // Create the shape editing menu
 179   m_shapeEditMenu = new ShapeEditMenu;
 180   m_shapeEditMenu->Append(ID_CS_EDIT_PROPERTIES, "Edit properties");
 181   m_shapeEditMenu->AppendSeparator();
 182   m_shapeEditMenu->Append(ID_CS_ROTATE_CLOCKWISE, "Rotate clockwise");
 183   m_shapeEditMenu->Append(ID_CS_ROTATE_ANTICLOCKWISE, "Rotate anticlockwise");
 184   m_shapeEditMenu->AppendSeparator();
 185   m_shapeEditMenu->Append(ID_CS_CUT, "Cut");
 186
 187   frame->Show(TRUE);
 188
 189   SetTopWindow(frame);
 190
 191   return TRUE;
 192 }
 193
 194 int csApp::OnExit(void)
 195 {
 196     WriteOptions();
 197
 198     delete m_symbolDatabase;
 199     m_symbolDatabase = NULL;
 200
 201     delete m_docManager;
 202     m_docManager = NULL;
 203
 204     delete m_shapeEditMenu;
 205     m_shapeEditMenu = NULL;
 206
 207     wxOGLCleanUp();
 208
 209     return 0;
 210 }
 211
 212 /*
 213  * Centralised code for creating a document frame.
 214  * Called from view.cpp, when a view is created.
 215  */
 216
 217 wxMDIChildFrame *csApp::CreateChildFrame(wxDocument *doc, wxView *view, wxMenu** editMenuRet)
 218 {
 219   //// Make a child frame
 220   csMDIChildFrame *subframe = new csMDIChildFrame(doc, view, ((wxDocMDIParentFrame*)GetTopWindow()), -1, "Child Frame",
 221         wxPoint(10, 10), wxSize(300, 300), wxDEFAULT_FRAME_STYLE);
 222
 223 #ifdef __WXMSW__
 224   subframe->SetIcon(wxString("chart"));
 225 #endif
 226 #ifdef __X__
 227   subframe->SetIcon(wxIcon("doc.xbm"));
 228 #endif
 229
 230   //// Make a menubar
 231   wxMenu *fileMenu = new wxMenu;
 232
 233   fileMenu->Append(wxID_NEW, "&New...\tCtrl+N");
 234   fileMenu->Append(wxID_OPEN, "&Open...\tCtrl+O");
 235   fileMenu->Append(wxID_CLOSE, "&Close\tCtrl+W");
 236   fileMenu->Append(wxID_SAVE, "&Save\tCtrl+S");
 237   fileMenu->Append(wxID_SAVEAS, "Save &As...\tF12");
 238
 239   fileMenu->AppendSeparator();
 240   fileMenu->Append(wxID_PRINT, "&Print...\tCtrl+P");
 241   fileMenu->Append(wxID_PRINT_SETUP, "Print &Setup...");
 242   fileMenu->Append(wxID_PREVIEW, "Print Pre&view");
 243
 244   fileMenu->AppendSeparator();
 245   fileMenu->Append(wxID_EXIT, "E&xit");
 246
 247   wxMenu *editMenu = NULL;
 248
 249   editMenu = new wxMenu;
 250   editMenu->Append(wxID_UNDO, "&Undo\tCtrl+Z");
 251   editMenu->Append(wxID_REDO, "&Redo\tCtrl+Y");
 252   editMenu->AppendSeparator();
 253   editMenu->Append(wxID_CUT, "Cu&t\tCtrl+X");
 254   editMenu->Append(wxID_COPY, "&Copy\tCtrl+C");
 255   editMenu->Append(wxID_PASTE, "&Paste\tCtrl+V");
 256   editMenu->Append(wxID_DUPLICATE, "&Duplicate\tCtrl+D");
 257   editMenu->AppendSeparator();
 258   editMenu->Append(wxID_CLEAR, "Cle&ar\tDelete");
 259   editMenu->Append(ID_CS_SELECT_ALL, "Select A&ll\tCtrl+A");
 260   editMenu->AppendSeparator();
 261   editMenu->Append(ID_CS_EDIT_PROPERTIES, "Edit P&roperties...");
 262
 263   *editMenuRet = editMenu;
 264
 265   m_docManager->FileHistoryUseMenu(fileMenu);
 266   m_docManager->FileHistoryAddFilesToMenu(fileMenu);
 267
 268   doc->GetCommandProcessor()->SetEditMenu(editMenu);
 269
 270   wxMenu *viewMenu = new wxMenu;
 271   viewMenu->Append(ID_CS_SETTINGS, "&Settings...");
 272
 273   wxMenu *helpMenu = new wxMenu;
 274   helpMenu->Append(wxID_HELP, "&Help Contents\tF1");
 275   helpMenu->Append(ID_CS_ABOUT, "&About");
 276
 277   wxMenuBar *menuBar = new wxMenuBar;
 278
 279   menuBar->Append(fileMenu, "&File");
 280   menuBar->Append(editMenu, "&Edit");
 281   menuBar->Append(viewMenu, "&View");
 282   menuBar->Append(helpMenu, "&Help");
 283
 284   //// Associate the menu bar with the frame
 285   subframe->SetMenuBar(menuBar);
 286
 287   return subframe;
 288 }
 289
 290 // Creates a canvas. Called by OnInit as a child of the main window
 291 csCanvas *csApp::CreateCanvas(wxView *view, wxFrame *parent)
 292 {
 293   int width, height;
 294   parent->GetClientSize(&width, &height);
 295
 296   // Non-retained canvas
 297   csCanvas *canvas = new csCanvas((csDiagramView*) view, parent, 1000, wxPoint(0, 0), wxSize(width, height), wxSUNKEN_BORDER);
 298
 299   wxColour bgColour("WHITE");
 300   canvas->SetBackgroundColour(bgColour);
 301
 302   wxCursor cursor(wxCURSOR_HAND);
 303   canvas->SetCursor(cursor);
 304
 305   // Give it scrollbars
 306   canvas->SetScrollbars(20, 20, 100, 100);
 307
 308   return canvas;
 309 }
 310
 311 void csApp::InitToolBar(wxToolBar* toolBar)
 312 {
 313     wxBitmap* bitmaps[10];
 314
 315 #ifdef __WXMSW__
 316     bitmaps[0] = new wxBitmap("new", wxBITMAP_TYPE_RESOURCE);
 317     bitmaps[1] = new wxBitmap("open", wxBITMAP_TYPE_RESOURCE);
 318     bitmaps[2] = new wxBitmap("save", wxBITMAP_TYPE_RESOURCE);
 319     bitmaps[3] = new wxBitmap("copy", wxBITMAP_TYPE_RESOURCE);
 320     bitmaps[4] = new wxBitmap("cut", wxBITMAP_TYPE_RESOURCE);
 321     bitmaps[5] = new wxBitmap("paste", wxBITMAP_TYPE_RESOURCE);
 322     bitmaps[6] = new wxBitmap("print", wxBITMAP_TYPE_RESOURCE);
 323     bitmaps[7] = new wxBitmap("help", wxBITMAP_TYPE_RESOURCE);
 324     bitmaps[8] = new wxBitmap("undo", wxBITMAP_TYPE_RESOURCE);
 325     bitmaps[9] = new wxBitmap("redo", wxBITMAP_TYPE_RESOURCE);
 326 #elif defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
 327     bitmaps[0] = new wxBitmap( new_xpm );
 328     bitmaps[1] = new wxBitmap( open_xpm );
 329     bitmaps[2] = new wxBitmap( save_xpm );
 330     bitmaps[3] = new wxBitmap( copy_xpm );
 331     bitmaps[4] = new wxBitmap( cut_xpm );
 332     bitmaps[5] = new wxBitmap( paste_xpm );
 333     bitmaps[6] = new wxBitmap( print_xpm );
 334     bitmaps[7] = new wxBitmap( help_xpm );
 335     bitmaps[8] = new wxBitmap( undo_xpm );
 336     bitmaps[9] = new wxBitmap( redo_xpm );
 337 #else
 338 #error "Not implemented for this platform."
 339 #endif
 340
 341   toolBar->AddTool(wxID_NEW, *bitmaps[0], wxNullBitmap, FALSE, -1, -1, NULL, "New file");
 342   toolBar->AddTool(wxID_OPEN, *bitmaps[1], wxNullBitmap, FALSE, -1, -1, NULL, "Open file");
 343   toolBar->AddTool(wxID_SAVE, *bitmaps[2], wxNullBitmap, FALSE, -1, -1, NULL, "Save file");
 344   toolBar->AddSeparator();
 345   toolBar->AddTool(wxID_PRINT, *bitmaps[6], wxNullBitmap, FALSE, -1, -1, NULL, "Print");
 346   toolBar->AddSeparator();
 347   toolBar->AddTool(wxID_COPY, *bitmaps[3], wxNullBitmap, FALSE, -1, -1, NULL, "Copy");
 348   toolBar->AddTool(wxID_CUT, *bitmaps[4], wxNullBitmap, FALSE, -1, -1, NULL, "Cut");
 349   toolBar->AddTool(wxID_PASTE, *bitmaps[5], wxNullBitmap, FALSE, -1, -1, NULL, "Paste");
 350   toolBar->AddSeparator();
 351   toolBar->AddTool(wxID_UNDO, *bitmaps[8], wxNullBitmap, FALSE, -1, -1, NULL, "Undo");
 352   toolBar->AddTool(wxID_REDO, *bitmaps[9], wxNullBitmap, FALSE, -1, -1, NULL, "Redo");
 353   toolBar->AddSeparator();
 354   toolBar->AddTool(wxID_HELP, *bitmaps[7], wxNullBitmap, FALSE, -1, -1, NULL, "Help");
 355
 356   toolBar->Realize();
 357
 358   toolBar->EnableTool(wxID_COPY, FALSE);
 359   toolBar->EnableTool(wxID_PASTE, FALSE);
 360   toolBar->EnableTool(wxID_PRINT, FALSE);
 361   toolBar->EnableTool(wxID_UNDO, FALSE);
 362   toolBar->EnableTool(wxID_REDO, FALSE);
 363
 364   int i;
 365   for (i = 0; i < 10; i++)
 366     delete bitmaps[i];
 367 }
 368
 369 // Create and initialise the diagram toolbar
 370 void csApp::CreateDiagramToolBar(wxFrame* parent)
 371 {
 372     // First create a layout window
 373     wxSashLayoutWindow* win = new wxSashLayoutWindow(parent, ID_LAYOUT_WINDOW_DIAGRAM_TOOLBAR, wxDefaultPosition, wxSize(200, 30), wxNO_BORDER|wxSW_3D|wxCLIP_CHILDREN);
 374     win->SetDefaultSize(wxSize(10000, 30));
 375     win->SetOrientation(wxLAYOUT_HORIZONTAL);
 376     win->SetAlignment(wxLAYOUT_TOP);
 377     win->SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 378
 379     m_diagramToolBarSashWindow = win;
 380     m_diagramToolBarSashWindow->Show(FALSE);
 381
 382     // Create the actual toolbar
 383     m_diagramToolBar = new wxToolBar(win, -1, wxDefaultPosition, wxDefaultSize, wxTB_HORIZONTAL|wxNO_BORDER|wxTB_FLAT);
 384
 385     wxBitmap* bitmaps[11];
 386
 387 #ifdef __WXMSW__
 388     bitmaps[0] = new wxBitmap("alignl", wxBITMAP_TYPE_RESOURCE);
 389     bitmaps[1] = new wxBitmap("alignr", wxBITMAP_TYPE_RESOURCE);
 390     bitmaps[2] = new wxBitmap("alignt", wxBITMAP_TYPE_RESOURCE);
 391     bitmaps[3] = new wxBitmap("alignb", wxBITMAP_TYPE_RESOURCE);
 392     bitmaps[4] = new wxBitmap("horiz", wxBITMAP_TYPE_RESOURCE);
 393     bitmaps[5] = new wxBitmap("vert", wxBITMAP_TYPE_RESOURCE);
 394     bitmaps[6] = new wxBitmap("copysize", wxBITMAP_TYPE_RESOURCE);
 395     bitmaps[7] = new wxBitmap("linearrow", wxBITMAP_TYPE_RESOURCE);
 396     bitmaps[8] = new wxBitmap("newpoint", wxBITMAP_TYPE_RESOURCE);
 397     bitmaps[9] = new wxBitmap("cutpoint", wxBITMAP_TYPE_RESOURCE);
 398     bitmaps[10] = new wxBitmap("straighten", wxBITMAP_TYPE_RESOURCE);
 399 #elif defined(__WXGTK__) || defined(__WXX11__) || defined(__WXMOTIF__) || defined(__WXMAC__)
 400     bitmaps[0] = new wxBitmap( alignl_xpm );
 401     bitmaps[1] = new wxBitmap( alignr_xpm );
 402     bitmaps[2] = new wxBitmap( alignt_xpm );
 403     bitmaps[3] = new wxBitmap( alignb_xpm );
 404     bitmaps[4] = new wxBitmap( horiz_xpm );
 405     bitmaps[5] = new wxBitmap( vert_xpm );
 406     bitmaps[6] = new wxBitmap( copysize_xpm );
 407     bitmaps[7] = new wxBitmap( linearrow_xpm );
 408     bitmaps[8] = new wxBitmap( newpoint_xpm );
 409     bitmaps[9] = new wxBitmap( cutpoint_xpm );
 410     bitmaps[10] = new wxBitmap( straight_xpm );
 411 #else
 412 #error "Not implemented for this platform."
 413 #endif
 414
 415     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_ALIGNL, *bitmaps[0], wxNullBitmap, FALSE, -1, -1, NULL, "Align left");
 416     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_ALIGNR, *bitmaps[1], wxNullBitmap, FALSE, -1, -1, NULL, "Align right");
 417     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_ALIGNT, *bitmaps[2], wxNullBitmap, FALSE, -1, -1, NULL, "Align top");
 418     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_ALIGNB, *bitmaps[3], wxNullBitmap, FALSE, -1, -1, NULL, "Align bottom");
 419     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_ALIGN_HORIZ, *bitmaps[4], wxNullBitmap, FALSE, -1, -1, NULL, "Align horizontally");
 420     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_ALIGN_VERT, *bitmaps[5], wxNullBitmap, FALSE, -1, -1, NULL, "Align vertically");
 421     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_COPY_SIZE, *bitmaps[6], wxNullBitmap, FALSE, -1, -1, NULL, "Copy size");
 422     m_diagramToolBar->AddSeparator();
 423     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_LINE_ARROW, *bitmaps[7], wxNullBitmap, TRUE, -1, -1, NULL, "Toggle arrow");
 424     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_NEW_POINT, *bitmaps[8], wxNullBitmap, FALSE, -1, -1, NULL, "New line point");
 425     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_CUT_POINT, *bitmaps[9], wxNullBitmap, FALSE, -1, -1, NULL, "Cut line point");
 426     m_diagramToolBar->AddTool(DIAGRAM_TOOLBAR_STRAIGHTEN, *bitmaps[10], wxNullBitmap, FALSE, -1, -1, NULL, "Straighten lines");
 427
 428     m_diagramToolBar->Realize();
 429
 430     int i;
 431     for (i = 0; i < 11; i++)
 432         delete bitmaps[i];
 433
 434     // Create a combobox for point size
 435     int maxPointSize = 40;
 436     wxString *pointSizes = new wxString[maxPointSize];
 437     for (i = 1; i <= maxPointSize; i++)
 438     {
 439         pointSizes[i-1].Printf("%d", i);
 440     }
 441
 442     int controlX = 260;
 443     int pointSizeW = 40;
 444     int pointSizeH = 18;
 445     int zoomW = 60;
 446     int zoomH = 18;
 447 #ifdef __WXMOTIF__
 448     controlX += 75;
 449     pointSizeW = 60;
 450     pointSizeH = 22;
 451     zoomW = 60;
 452     zoomH = 22;
 453 #endif
 454
 455     m_pointSizeComboBox = new wxComboBox(m_diagramToolBar, ID_WINDOW_POINT_SIZE_COMBOBOX,
 456         "", wxPoint(controlX, 1), wxSize(pointSizeW, pointSizeH), maxPointSize, pointSizes);
 457     delete[] pointSizes;
 458
 459 #ifdef __WXGTK__
 460     m_diagramToolBar->AddControl(m_pointSizeComboBox);
 461 #endif
 462
 463     m_pointSizeComboBox->SetSelection(10 - 1);
 464
 465     // Create a combobox for zooming
 466     int maxZoom = 200;
 467     int minZoom = 5;
 468     int increment = 5;
 469     int noStrings = (maxZoom - minZoom)/5 ;
 470     wxString *zoomStrings = new wxString[noStrings];
 471     for (i = 0; i < noStrings; i ++)
 472     {
 473         zoomStrings[noStrings - i - 1].Printf("%d%%", (i*increment + minZoom));
 474     }
 475
 476     controlX += pointSizeW + 10;
 477
 478     m_zoomComboBox = new wxComboBox(m_diagramToolBar, ID_WINDOW_ZOOM_COMBOBOX,
 479         "", wxPoint(controlX, 1), wxSize(zoomW, zoomH), noStrings, zoomStrings);
 480     delete[] zoomStrings;
 481
 482 #ifdef __WXGTK__
 483     m_diagramToolBar->AddControl(m_zoomComboBox);
 484 #endif
 485
 486     // i = (zoom - minZoom)/increment
 487     // index = noStrings - i - 1
 488     // 100%
 489     i = (100 - minZoom)/increment;
 490     m_zoomComboBox->SetSelection(noStrings - i - 1);
 491 }
 492
 493 // Read/write configuration information
 494 bool csApp::ReadOptions()
 495 {
 496     wxConfig config("OGL Studio", "wxWindows");
 497
 498     config.Read("mainX", & m_mainFramePos.x);
 499     config.Read("mainY", & m_mainFramePos.y);
 500     config.Read("mainWidth", & m_mainFrameSize.x);
 501     config.Read("mainHeight", & m_mainFrameSize.y);
 502     config.Read("gridStyle", & m_gridStyle);
 503     config.Read("gridSpacing", & m_gridSpacing);
 504
 505     return TRUE;
 506 }
 507
 508 bool csApp::WriteOptions()
 509 {
 510     wxConfig config("OGL Studio", "wxWindows");
 511
 512     config.Write("mainX", (long) m_mainFramePos.x);
 513     config.Write("mainY", (long) m_mainFramePos.y);
 514     config.Write("mainWidth", (long) m_mainFrameSize.x);
 515     config.Write("mainHeight", (long) m_mainFrameSize.y);
 516     config.Write("gridStyle", (long) m_gridStyle);
 517     config.Write("gridSpacing", (long) m_gridSpacing);
 518
 519     m_docManager->FileHistorySave(config);
 520
 521     return TRUE;
 522 }
 523