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 !USE_DOC_VIEW_ARCHITECTURE
  28 #error You must set USE_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 // A macro needed for some compilers (AIX) that need 'main' to be defined
  37 // in the application itself.
  38 IMPLEMENT_APP(MyApp)
  39
  40 // This statement initialises the whole application
  41 MyApp myApp;
  42
  43 MyApp::MyApp(void)
  44 {
  45   frame = NULL;
  46 }
  47
  48 // The `main program' equivalent, creating the windows and returning the
  49 // main frame
  50 bool MyApp::OnInit(void)
  51 {
  52   wxOGLInitialize();
  53
  54   //// Create a document manager
  55   wxDocManager *myDocManager = new wxDocManager;
  56
  57   //// Create a template relating drawing documents to their views
  58   (void) new wxDocTemplate(myDocManager, "Diagram", "*.dia", "", "dia", "Diagram Doc", "Diagram View",
  59           CLASSINFO(DiagramDocument), CLASSINFO(DiagramView));
  60
  61   // If we've only got one window, we only get to edit
  62   // one document at a time.
  63   myDocManager->SetMaxDocsOpen(1);
  64
  65   //// Create the main frame window
  66   frame = new MyFrame(myDocManager, NULL, "OGLEdit Demo", wxPoint(0, 0), wxSize(500, 400), wxDEFAULT_FRAME_STYLE);
  67
  68   //// Give it an icon
  69 #ifdef __WXMSW__
  70   frame->SetIcon(wxIcon("ogl_icn"));
  71 #endif
  72 #ifdef __X__
  73   frame->SetIcon(wxIcon("ogl.xbm"));
  74 #endif
  75
  76   //// Make a menubar
  77   wxMenu *file_menu = new wxMenu;
  78   wxMenu *edit_menu = NULL;
  79
  80   file_menu->Append(wxID_NEW, "&New...");
  81   file_menu->Append(wxID_OPEN, "&Open...");
  82
  83   file_menu->Append(wxID_CLOSE, "&Close");
  84   file_menu->Append(wxID_SAVE, "&Save");
  85   file_menu->Append(wxID_SAVEAS, "Save &As...");
  86   file_menu->AppendSeparator();
  87   file_menu->Append(wxID_PRINT, "&Print...");
  88   file_menu->Append(wxID_PRINT_SETUP, "Print &Setup...");
  89   file_menu->Append(wxID_PREVIEW, "Print Pre&view");
  90
  91   edit_menu = new wxMenu;
  92   edit_menu->Append(wxID_UNDO, "&Undo");
  93   edit_menu->Append(wxID_REDO, "&Redo");
  94   edit_menu->AppendSeparator();
  95   edit_menu->Append(OGLEDIT_CUT, "&Cut");
  96   edit_menu->AppendSeparator();
  97   edit_menu->Append(OGLEDIT_CHANGE_BACKGROUND_COLOUR, "Change &background colour");
  98   edit_menu->Append(OGLEDIT_EDIT_LABEL, "Edit &label");
  99
 100   frame->editMenu = edit_menu;
 101
 102   file_menu->AppendSeparator();
 103   file_menu->Append(wxID_EXIT, "E&xit");
 104
 105   // A nice touch: a history of files visited. Use this menu.
 106   myDocManager->FileHistoryUseMenu(file_menu);
 107
 108   wxMenu *help_menu = new wxMenu;
 109   help_menu->Append(OGLEDIT_ABOUT, "&About");
 110
 111   wxMenuBar *menu_bar = new wxMenuBar;
 112
 113   menu_bar->Append(file_menu, "&File");
 114   if (edit_menu)
 115     menu_bar->Append(edit_menu, "&Edit");
 116   menu_bar->Append(help_menu, "&Help");
 117
 118   frame->canvas = frame->CreateCanvas(NULL, frame);
 119   frame->palette = myApp.CreatePalette(frame);
 120   myDocManager->CreateDocument("", wxDOC_NEW);
 121
 122   //// Associate the menu bar with the frame
 123   frame->SetMenuBar(menu_bar);
 124
 125   frame->CreateStatusBar(1);
 126
 127   frame->Centre(wxBOTH);
 128   frame->Show(TRUE);
 129
 130   return TRUE;
 131 }
 132
 133 /*
 134  * This is the top-level window of the application.
 135  */
 136
 137 IMPLEMENT_CLASS(MyFrame, wxDocParentFrame)
 138
 139 BEGIN_EVENT_TABLE(MyFrame, wxDocParentFrame)
 140     EVT_MENU(OGLEDIT_ABOUT, MyFrame::OnAbout)
 141     EVT_SIZE(MyFrame::OnSize)
 142 END_EVENT_TABLE()
 143
 144 MyFrame::MyFrame(wxDocManager *manager, wxFrame *frame, const wxString& title,
 145     const wxPoint& pos, const wxSize& size, long type):
 146   wxDocParentFrame(manager, frame, -1, title, pos, size, type)
 147 {
 148   canvas = NULL;
 149   palette = NULL;
 150   editMenu = NULL;
 151 }
 152
 153 void MyFrame::OnSize(wxSizeEvent& event)
 154 {
 155   if (canvas && palette)
 156   {
 157     int cw, ch;
 158     GetClientSize(&cw, &ch);
 159     int paletteX = 0;
 160     int paletteY = 0;
 161     int paletteW = 30;
 162     int paletteH = ch;
 163     int canvasX = paletteX + paletteW;
 164     int canvasY = 0;
 165     int canvasW = cw - paletteW;
 166     int canvasH = ch;
 167
 168     palette->SetSize(paletteX, paletteY, paletteW, paletteH);
 169     canvas->SetSize(canvasX, canvasY, canvasW, canvasH);
 170   }
 171 }
 172
 173 bool MyFrame::OnClose(void)
 174 {
 175   if (wxDocParentFrame::OnClose())
 176   {
 177     wxOGLCleanUp();
 178     return TRUE;
 179   }
 180   else
 181     return FALSE;
 182 }
 183
 184 // Intercept menu commands
 185 void MyFrame::OnAbout(wxCommandEvent& event)
 186 {
 187       (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");
 188 }
 189
 190 // Creates a canvas. Called by OnInit as a child of the main window
 191 MyCanvas *MyFrame::CreateCanvas(wxView *view, wxFrame *parent)
 192 {
 193   int width, height;
 194   parent->GetClientSize(&width, &height);
 195
 196   // Non-retained canvas
 197   MyCanvas *canvas = new MyCanvas(view, parent, -1, wxPoint(0, 0), wxSize(width, height), 0);
 198   wxCursor *cursor = new wxCursor(wxCURSOR_HAND);
 199   canvas->SetCursor(cursor);
 200
 201   // Give it scrollbars
 202   canvas->SetScrollbars(20, 20, 50, 50);
 203
 204   return canvas;
 205 }
 206
 207 MyFrame *GetMainFrame(void)
 208 {
 209   return myApp.frame;
 210 }
 211