utils/ogl/samples/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 }
  48
  49 // The `main program' equivalent, creating the windows and returning the
  50 // main frame
  51 bool MyApp::OnInit(void)
  52 {
  53   wxOGLInitialize();
  54
  55   //// Create a document manager
  56   wxDocManager *myDocManager = new wxDocManager;
  57
  58   //// Create a template relating drawing documents to their views
  59   (void) new wxDocTemplate(myDocManager, "Diagram", "*.dia", "", "dia", "Diagram Doc", "Diagram View",
  60           CLASSINFO(DiagramDocument), CLASSINFO(DiagramView));
  61
  62   // If we've only got one window, we only get to edit
  63   // one document at a time.
  64   myDocManager->SetMaxDocsOpen(1);
  65
  66   //// Create the main frame window
  67   frame = new MyFrame(myDocManager, NULL, "OGLEdit Demo", wxPoint(0, 0), wxSize(500, 400), wxDEFAULT_FRAME_STYLE);
  68
  69   //// Give it an icon
  70   frame->SetIcon(wxICON(ogl));
  71
  72   //// Make a menubar
  73   wxMenu *file_menu = new wxMenu;
  74   wxMenu *edit_menu = NULL;
  75
  76   file_menu->Append(wxID_NEW, "&New...");
  77   file_menu->Append(wxID_OPEN, "&Open...");
  78
  79   file_menu->Append(wxID_CLOSE, "&Close");
  80   file_menu->Append(wxID_SAVE, "&Save");
  81   file_menu->Append(wxID_SAVEAS, "Save &As...");
  82   file_menu->AppendSeparator();
  83   file_menu->Append(wxID_PRINT, "&Print...");
  84   file_menu->Append(wxID_PRINT_SETUP, "Print &Setup...");
  85   file_menu->Append(wxID_PREVIEW, "Print Pre&view");
  86
  87   edit_menu = new wxMenu;
  88   edit_menu->Append(wxID_UNDO, "&Undo");
  89   edit_menu->Append(wxID_REDO, "&Redo");
  90   edit_menu->AppendSeparator();
  91   edit_menu->Append(OGLEDIT_CUT, "&Cut");
  92   edit_menu->AppendSeparator();
  93   edit_menu->Append(OGLEDIT_CHANGE_BACKGROUND_COLOUR, "Change &background colour");
  94   edit_menu->Append(OGLEDIT_EDIT_LABEL, "Edit &label");
  95
  96   frame->editMenu = edit_menu;
  97
  98   file_menu->AppendSeparator();
  99   file_menu->Append(wxID_EXIT, "E&xit");
 100
 101   // A nice touch: a history of files visited. Use this menu.
 102   myDocManager->FileHistoryUseMenu(file_menu);
 103
 104   wxMenu *help_menu = new wxMenu;
 105   help_menu->Append(OGLEDIT_ABOUT, "&About");
 106
 107   wxMenuBar *menu_bar = new wxMenuBar;
 108
 109   menu_bar->Append(file_menu, "&File");
 110   if (edit_menu)
 111     menu_bar->Append(edit_menu, "&Edit");
 112   menu_bar->Append(help_menu, "&Help");
 113
 114   frame->canvas = frame->CreateCanvas(NULL, frame);
 115   frame->palette = wxGetApp().CreatePalette(frame);
 116   myDocManager->CreateDocument("", wxDOC_NEW);
 117
 118   //// Associate the menu bar with the frame
 119   frame->SetMenuBar(menu_bar);
 120
 121   frame->CreateStatusBar(1);
 122
 123   frame->Centre(wxBOTH);
 124   frame->Show(TRUE);
 125
 126   return TRUE;
 127 }
 128
 129 /*
 130  * This is the top-level window of the application.
 131  */
 132
 133 IMPLEMENT_CLASS(MyFrame, wxDocParentFrame)
 134
 135 BEGIN_EVENT_TABLE(MyFrame, wxDocParentFrame)
 136     EVT_MENU(OGLEDIT_ABOUT, MyFrame::OnAbout)
 137     EVT_SIZE(MyFrame::OnSize)
 138 END_EVENT_TABLE()
 139
 140 MyFrame::MyFrame(wxDocManager *manager, wxFrame *frame, const wxString& title,
 141     const wxPoint& pos, const wxSize& size, long type):
 142   wxDocParentFrame(manager, frame, -1, title, pos, size, type)
 143 {
 144   canvas = NULL;
 145   palette = NULL;
 146   editMenu = NULL;
 147 }
 148
 149 void MyFrame::OnSize(wxSizeEvent& event)
 150 {
 151   if (canvas && palette)
 152   {
 153     int cw, ch;
 154     GetClientSize(&cw, &ch);
 155     int paletteX = 0;
 156     int paletteY = 0;
 157     int paletteW = 30;
 158     int paletteH = ch;
 159     int canvasX = paletteX + paletteW;
 160     int canvasY = 0;
 161     int canvasW = cw - paletteW;
 162     int canvasH = ch;
 163
 164     palette->SetSize(paletteX, paletteY, paletteW, paletteH);
 165     canvas->SetSize(canvasX, canvasY, canvasW, canvasH);
 166   }
 167 }
 168
 169 bool MyFrame::OnClose(void)
 170 {
 171   if (wxDocParentFrame::OnClose())
 172   {
 173     wxOGLCleanUp();
 174     return TRUE;
 175   }
 176   else
 177     return FALSE;
 178 }
 179
 180 // Intercept menu commands
 181 void MyFrame::OnAbout(wxCommandEvent& event)
 182 {
 183       (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");
 184 }
 185
 186 // Creates a canvas. Called by OnInit as a child of the main window
 187 MyCanvas *MyFrame::CreateCanvas(wxView *view, wxFrame *parent)
 188 {
 189   int width, height;
 190   parent->GetClientSize(&width, &height);
 191
 192   // Non-retained canvas
 193   MyCanvas *canvas = new MyCanvas(view, parent, -1, wxPoint(0, 0), wxSize(width, height), 0);
 194   wxCursor *cursor = new wxCursor(wxCURSOR_HAND);
 195   canvas->SetCursor(cursor);
 196
 197   // Give it scrollbars
 198   canvas->SetScrollbars(20, 20, 50, 50);
 199
 200   return canvas;
 201 }
 202
 203 MyFrame *GetMainFrame(void)
 204 {
 205   return wxGetApp().frame;
 206 }
 207