samples/docvwmdi/docview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        docview.cpp
   3 // Purpose:     Document/view demo
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 // #pragma implementation "docview.h"
  14 #endif
  15
  16 /*
  17  * Purpose:  Document/view architecture demo for wxWidgets class library - MDI
  18  */
  19
  20
  21 // For compilers that support precompilation, includes "wx/wx.h".
  22 #include "wx/wxprec.h"
  23
  24 #ifdef __BORLANDC__
  25 #pragma hdrstop
  26 #endif
  27
  28 #ifndef WX_PRECOMP
  29 #include "wx/wx.h"
  30 #endif
  31
  32 #if !wxUSE_DOC_VIEW_ARCHITECTURE
  33 #error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in setup.h!
  34 #endif
  35
  36 #if !wxUSE_MDI_ARCHITECTURE
  37 #error You must set wxUSE_MDI_ARCHITECTURE to 1 in setup.h!
  38 #endif
  39
  40 #include "docview.h"
  41 #include "doc.h"
  42 #include "view.h"
  43
  44 MyFrame *frame = (MyFrame *) NULL;
  45
  46 IMPLEMENT_APP(MyApp)
  47
  48 MyApp::MyApp(void)
  49 {
  50     m_docManager = (wxDocManager *) NULL;
  51 }
  52
  53 bool MyApp::OnInit(void)
  54 {
  55   //// Create a document manager
  56   m_docManager = new wxDocManager;
  57
  58   //// Create a template relating drawing documents to their views
  59   (void) new wxDocTemplate((wxDocManager *) m_docManager, _T("Drawing"), _T("*.drw"), _T(""), _T("drw"), _T("Drawing Doc"), _T("Drawing View"),
  60           CLASSINFO(DrawingDocument), CLASSINFO(DrawingView));
  61
  62   //// Create a template relating text documents to their views
  63   (void) new wxDocTemplate(m_docManager, _T("Text"), _T("*.txt"), _T(""), _T("txt"), _T("Text Doc"), _T("Text View"),
  64           CLASSINFO(TextEditDocument), CLASSINFO(TextEditView));
  65
  66   //// Create the main frame window
  67   frame = new MyFrame((wxDocManager *) m_docManager, (wxFrame *) NULL,
  68                       _T("DocView Demo"), wxPoint(0, 0), wxSize(500, 400),
  69                       wxDEFAULT_FRAME_STYLE | wxNO_FULL_REPAINT_ON_RESIZE);
  70
  71   //// Give it an icon (this is ignored in MDI mode: uses resources)
  72 #ifdef __WXMSW__
  73   frame->SetIcon(wxIcon(_T("doc")));
  74 #endif
  75 #ifdef __X__
  76   frame->SetIcon(wxIcon(_T("doc.xbm")));
  77 #endif
  78
  79   //// Make a menubar
  80   wxMenu *file_menu = new wxMenu;
  81   wxMenu *edit_menu = (wxMenu *) NULL;
  82
  83   file_menu->Append(wxID_NEW, _T("&New...\tCtrl-N"));
  84   file_menu->Append(wxID_OPEN, _T("&Open...\tCtrl-X"));
  85
  86   file_menu->AppendSeparator();
  87   file_menu->Append(wxID_EXIT, _T("E&xit\tAlt-X"));
  88
  89   // A nice touch: a history of files visited. Use this menu.
  90   m_docManager->FileHistoryUseMenu(file_menu);
  91
  92   wxMenu *help_menu = new wxMenu;
  93   help_menu->Append(DOCVIEW_ABOUT, _T("&About\tF1"));
  94
  95   wxMenuBar *menu_bar = new wxMenuBar;
  96
  97   menu_bar->Append(file_menu, _T("&File"));
  98   if (edit_menu)
  99     menu_bar->Append(edit_menu, _T("&Edit"));
 100   menu_bar->Append(help_menu, _T("&Help"));
 101
 102 #ifdef __WXMAC__
 103   wxMenuBar::MacSetCommonMenuBar(menu_bar);
 104 #endif //def __WXMAC__
 105   //// Associate the menu bar with the frame
 106   frame->SetMenuBar(menu_bar);
 107
 108   frame->Centre(wxBOTH);
 109 #ifndef __WXMAC__
 110   frame->Show(true);
 111 #endif //ndef __WXMAC__
 112
 113   SetTopWindow(frame);
 114   return true;
 115 }
 116
 117 int MyApp::OnExit(void)
 118 {
 119     delete m_docManager;
 120     return 0;
 121 }
 122
 123 /*
 124  * Centralised code for creating a document frame.
 125  * Called from view.cpp, when a view is created.
 126  */
 127
 128 wxMDIChildFrame *MyApp::CreateChildFrame(wxDocument *doc, wxView *view, bool isCanvas)
 129 {
 130   //// Make a child frame
 131   wxDocMDIChildFrame *subframe =
 132       new wxDocMDIChildFrame(doc, view, GetMainFrame(), wxID_ANY, _T("Child Frame"),
 133                              wxPoint(10, 10), wxSize(300, 300),
 134                              wxDEFAULT_FRAME_STYLE |
 135                              wxNO_FULL_REPAINT_ON_RESIZE);
 136
 137 #ifdef __WXMSW__
 138   subframe->SetIcon(wxString(isCanvas ? _T("chart") : _T("notepad")));
 139 #endif
 140 #ifdef __X__
 141   subframe->SetIcon(wxIcon(_T("doc.xbm")));
 142 #endif
 143
 144   //// Make a menubar
 145   wxMenu *file_menu = new wxMenu;
 146
 147   file_menu->Append(wxID_NEW, _T("&New..."));
 148   file_menu->Append(wxID_OPEN, _T("&Open..."));
 149   file_menu->Append(wxID_CLOSE, _T("&Close"));
 150   file_menu->Append(wxID_SAVE, _T("&Save"));
 151   file_menu->Append(wxID_SAVEAS, _T("Save &As..."));
 152
 153   if (isCanvas)
 154   {
 155     file_menu->AppendSeparator();
 156     file_menu->Append(wxID_PRINT, _T("&Print..."));
 157     file_menu->Append(wxID_PRINT_SETUP, _T("Print &Setup..."));
 158     file_menu->Append(wxID_PREVIEW, _T("Print Pre&view"));
 159   }
 160
 161   file_menu->AppendSeparator();
 162   file_menu->Append(wxID_EXIT, _T("E&xit"));
 163
 164   wxMenu *edit_menu = (wxMenu *) NULL;
 165
 166   if (isCanvas)
 167   {
 168     edit_menu = new wxMenu;
 169     edit_menu->Append(wxID_UNDO, _T("&Undo"));
 170     edit_menu->Append(wxID_REDO, _T("&Redo"));
 171     edit_menu->AppendSeparator();
 172     edit_menu->Append(DOCVIEW_CUT, _T("&Cut last segment"));
 173
 174     doc->GetCommandProcessor()->SetEditMenu(edit_menu);
 175   }
 176
 177   wxMenu *help_menu = new wxMenu;
 178   help_menu->Append(DOCVIEW_ABOUT, _T("&About"));
 179
 180   wxMenuBar *menu_bar = new wxMenuBar;
 181
 182   menu_bar->Append(file_menu, _T("&File"));
 183   if (isCanvas)
 184     menu_bar->Append(edit_menu, _T("&Edit"));
 185   menu_bar->Append(help_menu, _T("&Help"));
 186
 187   //// Associate the menu bar with the frame
 188   subframe->SetMenuBar(menu_bar);
 189
 190   return subframe;
 191 }
 192
 193 /*
 194  * This is the top-level window of the application.
 195  */
 196
 197 IMPLEMENT_CLASS(MyFrame, wxDocMDIParentFrame)
 198 BEGIN_EVENT_TABLE(MyFrame, wxDocMDIParentFrame)
 199     EVT_MENU(DOCVIEW_ABOUT, MyFrame::OnAbout)
 200 END_EVENT_TABLE()
 201
 202 MyFrame::MyFrame(wxDocManager *manager, wxFrame *frame, const wxString& title,
 203     const wxPoint& pos, const wxSize& size, long type):
 204   wxDocMDIParentFrame(manager, frame, wxID_ANY, title, pos, size, type, _T("myFrame"))
 205 {
 206   editMenu = (wxMenu *) NULL;
 207 }
 208
 209 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 210 {
 211     (void)wxMessageBox(_T("DocView Demo\nAuthor: Julian Smart\nUsage: docview.exe"), _T("About DocView"));
 212 }
 213
 214 // Creates a canvas. Called from view.cpp when a new drawing
 215 // view is created.
 216 MyCanvas *MyFrame::CreateCanvas(wxView *view, wxMDIChildFrame *parent)
 217 {
 218   int width, height;
 219   parent->GetClientSize(&width, &height);
 220
 221   // Non-retained canvas
 222   MyCanvas *canvas = new MyCanvas(view, parent, wxPoint(0, 0), wxSize(width, height), 0);
 223   canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
 224
 225   // Give it scrollbars
 226   canvas->SetScrollbars(20, 20, 50, 50);
 227
 228   return canvas;
 229 }
 230
 231 MyFrame *GetMainFrame(void)
 232 {
 233   return frame;
 234 }
 235