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