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