samples/ogl/ogledit/ogledit.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        ogledit.cpp
   3 // Purpose:     OGLEdit sample app
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     12/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 // #pragma implementation
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include <wx/wxprec.h>
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include <wx/wx.h>
  25 #endif
  26
  27 #if !wxUSE_DOC_VIEW_ARCHITECTURE
  28 #error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in wx_setup.h!
  29 #endif
  30
  31 #include "ogledit.h"
  32 #include "palette.h"
  33 #include "doc.h"
  34 #include "view.h"
  35
  36 #if defined(__WXGTK__) || defined(__WXMOTIF__)
  37 #include "ogl.xpm"
  38 #endif
  39
  40 // A macro needed for some compilers (AIX) that need 'main' to be defined
  41 // in the application itself.
  42 IMPLEMENT_APP(MyApp)
  43
  44 MyApp::MyApp(void)
  45 {
  46   frame = NULL;
  47   myDocManager= NULL;
  48 }
  49
  50 // The `main program' equivalent, creating the windows and returning the
  51 // main frame
  52 bool MyApp::OnInit(void)
  53 {
  54   wxOGLInitialize();
  55
  56   //// Create a document manager
  57   myDocManager = new wxDocManager;
  58
  59   //// Create a template relating drawing documents to their views
  60   (void) new wxDocTemplate(myDocManager, "Diagram", "*.dia", "", "dia", "Diagram Doc", "Diagram View",
  61           CLASSINFO(DiagramDocument), CLASSINFO(DiagramView));
  62
  63   // If we've only got one window, we only get to edit
  64   // one document at a time.
  65   myDocManager->SetMaxDocsOpen(1);
  66
  67   //// Create the main frame window
  68   frame = new MyFrame(myDocManager, NULL, "OGLEdit Demo", wxPoint(0, 0), wxSize(500, 400), wxDEFAULT_FRAME_STYLE);
  69
  70   //// Give it an icon
  71   frame->SetIcon(wxICON(ogl));
  72
  73   //// Make a menubar
  74   wxMenu *file_menu = new wxMenu;
  75   wxMenu *edit_menu = NULL;
  76
  77   file_menu->Append(wxID_NEW, "&New...");
  78   file_menu->Append(wxID_OPEN, "&Open...");
  79
  80   file_menu->Append(wxID_CLOSE, "&Close");
  81   file_menu->Append(wxID_SAVE, "&Save");
  82   file_menu->Append(wxID_SAVEAS, "Save &As...");
  83   file_menu->AppendSeparator();
  84   file_menu->Append(wxID_PRINT, "&Print...");
  85   file_menu->Append(wxID_PRINT_SETUP, "Print &Setup...");
  86   file_menu->Append(wxID_PREVIEW, "Print Pre&view");
  87
  88   edit_menu = new wxMenu;
  89   edit_menu->Append(wxID_UNDO, "&Undo");
  90   edit_menu->Append(wxID_REDO, "&Redo");
  91   edit_menu->AppendSeparator();
  92   edit_menu->Append(OGLEDIT_CUT, "&Cut");
  93   edit_menu->AppendSeparator();
  94   edit_menu->Append(OGLEDIT_CHANGE_BACKGROUND_COLOUR, "Change &background colour");
  95   edit_menu->Append(OGLEDIT_EDIT_LABEL, "Edit &label");
  96
  97   frame->editMenu = edit_menu;
  98
  99   file_menu->AppendSeparator();
 100   file_menu->Append(wxID_EXIT, "E&xit");
 101
 102   // A nice touch: a history of files visited. Use this menu.
 103   myDocManager->FileHistoryUseMenu(file_menu);
 104
 105   wxMenu *help_menu = new wxMenu;
 106   help_menu->Append(OGLEDIT_ABOUT, "&About");
 107
 108   wxMenuBar *menu_bar = new wxMenuBar;
 109
 110   menu_bar->Append(file_menu, "&File");
 111   if (edit_menu)
 112     menu_bar->Append(edit_menu, "&Edit");
 113   menu_bar->Append(help_menu, "&Help");
 114
 115   frame->canvas = frame->CreateCanvas(NULL, frame);
 116   frame->palette = wxGetApp().CreatePalette(frame);
 117   myDocManager->CreateDocument("", wxDOC_NEW);
 118
 119   //// Associate the menu bar with the frame
 120   frame->SetMenuBar(menu_bar);
 121
 122   frame->CreateStatusBar(1);
 123
 124   frame->Centre(wxBOTH);
 125   frame->Show(TRUE);
 126
 127   return TRUE;
 128 }
 129
 130 int MyApp::OnExit(void)
 131 {
 132     wxOGLCleanUp();
 133     delete myDocManager;
 134     return 0;
 135 }
 136
 137 /*
 138  * This is the top-level window of the application.
 139  */
 140
 141 IMPLEMENT_CLASS(MyFrame, wxDocParentFrame)
 142
 143 BEGIN_EVENT_TABLE(MyFrame, wxDocParentFrame)
 144     EVT_MENU(OGLEDIT_ABOUT, MyFrame::OnAbout)
 145     EVT_SIZE(MyFrame::OnSize)
 146     EVT_CLOSE(MyFrame::OnCloseWindow)
 147 END_EVENT_TABLE()
 148
 149 MyFrame::MyFrame(wxDocManager *manager, wxFrame *frame, const wxString& title,
 150     const wxPoint& pos, const wxSize& size, long type):
 151   wxDocParentFrame(manager, frame, -1, title, pos, size, type)
 152 {
 153   canvas = NULL;
 154   palette = NULL;
 155   editMenu = NULL;
 156 }
 157
 158 void MyFrame::OnSize(wxSizeEvent& event)
 159 {
 160   if (canvas && palette)
 161   {
 162     int cw, ch;
 163     GetClientSize(&cw, &ch);
 164     int paletteX = 0;
 165     int paletteY = 0;
 166     int paletteW = 30;
 167     int paletteH = ch;
 168     int canvasX = paletteX + paletteW;
 169     int canvasY = 0;
 170     int canvasW = cw - paletteW;
 171     int canvasH = ch;
 172
 173     palette->SetSize(paletteX, paletteY, paletteW, paletteH);
 174     canvas->SetSize(canvasX, canvasY, canvasW, canvasH);
 175   }
 176 }
 177
 178 void MyFrame::OnCloseWindow(wxCloseEvent& event)
 179 {
 180   wxDocParentFrame::OnCloseWindow(event);
 181   if (!event.GetVeto())
 182   {
 183     wxOGLCleanUp();
 184   }
 185 }
 186
 187 // Intercept menu commands
 188 void MyFrame::OnAbout(wxCommandEvent& event)
 189 {
 190       (void)wxMessageBox("OGLEdit Demo\nTo draw a shape, select a shape on the toolbar and left-click on the canvas.\nTo draw a line, right-drag between shapes.\nFor further details, see the OGL manual.\n (c) Julian Smart 1996", "About OGLEdit");
 191 }
 192
 193 // Creates a canvas. Called by OnInit as a child of the main window
 194 MyCanvas *MyFrame::CreateCanvas(wxView *view, wxFrame *parent)
 195 {
 196   int width, height;
 197   parent->GetClientSize(&width, &height);
 198
 199   // Non-retained canvas
 200   MyCanvas *canvas = new MyCanvas(view, parent, -1, wxPoint(0, 0), wxSize(width, height), 0);
 201   canvas->SetCursor(wxCursor(wxCURSOR_HAND));
 202
 203   // Give it scrollbars
 204   canvas->SetScrollbars(20, 20, 50, 50);
 205
 206   return canvas;
 207 }
 208
 209 MyFrame *GetMainFrame(void)
 210 {
 211   return wxGetApp().frame;
 212 }
 213