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 and Markus Holzem
   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 wxWindows 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, "Drawing", "*.drw", "", "drw", "Drawing Doc", "Drawing View",
  60           CLASSINFO(DrawingDocument), CLASSINFO(DrawingView));
  61
  62   //// Create a template relating text documents to their views
  63   (void) new wxDocTemplate(m_docManager, "Text", "*.txt", "", "txt", "Text Doc", "Text View",
  64           CLASSINFO(TextEditDocument), CLASSINFO(TextEditView));
  65
  66   //// Create the main frame window
  67   frame = new MyFrame((wxDocManager *) m_docManager, (wxFrame *) NULL,
  68                       "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("doc"));
  74 #endif
  75 #ifdef __X__
  76   frame->SetIcon(wxIcon("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, "&New...\tCtrl-N");
  84   file_menu->Append(wxID_OPEN, "&Open...\tCtrl-X");
  85
  86   file_menu->AppendSeparator();
  87   file_menu->Append(wxID_EXIT, "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, "&About\tF1");
  94
  95   wxMenuBar *menu_bar = new wxMenuBar;
  96
  97   menu_bar->Append(file_menu, "&File");
  98   if (edit_menu)
  99     menu_bar->Append(edit_menu, "&Edit");
 100   menu_bar->Append(help_menu, "&Help");
 101
 102   //// Associate the menu bar with the frame
 103   frame->SetMenuBar(menu_bar);
 104
 105   frame->Centre(wxBOTH);
 106   frame->Show(TRUE);
 107
 108   SetTopWindow(frame);
 109   return TRUE;
 110 }
 111
 112 int MyApp::OnExit(void)
 113 {
 114     delete m_docManager;
 115     return 0;
 116 }
 117
 118 /*
 119  * Centralised code for creating a document frame.
 120  * Called from view.cpp, when a view is created.
 121  */
 122
 123 wxMDIChildFrame *MyApp::CreateChildFrame(wxDocument *doc, wxView *view, bool isCanvas)
 124 {
 125   //// Make a child frame
 126   wxDocMDIChildFrame *subframe =
 127       new wxDocMDIChildFrame(doc, view, GetMainFrame(), -1, "Child Frame",
 128                              wxPoint(10, 10), wxSize(300, 300),
 129                              wxDEFAULT_FRAME_STYLE |
 130                              wxNO_FULL_REPAINT_ON_RESIZE);
 131
 132 #ifdef __WXMSW__
 133   subframe->SetIcon(wxString(isCanvas ? "chart" : "notepad"));
 134 #endif
 135 #ifdef __X__
 136   subframe->SetIcon(wxIcon("doc.xbm"));
 137 #endif
 138
 139   //// Make a menubar
 140   wxMenu *file_menu = new wxMenu;
 141
 142   file_menu->Append(wxID_NEW, "&New...");
 143   file_menu->Append(wxID_OPEN, "&Open...");
 144   file_menu->Append(wxID_CLOSE, "&Close");
 145   file_menu->Append(wxID_SAVE, "&Save");
 146   file_menu->Append(wxID_SAVEAS, "Save &As...");
 147
 148   if (isCanvas)
 149   {
 150     file_menu->AppendSeparator();
 151     file_menu->Append(wxID_PRINT, "&Print...");
 152     file_menu->Append(wxID_PRINT_SETUP, "Print &Setup...");
 153     file_menu->Append(wxID_PREVIEW, "Print Pre&view");
 154   }
 155
 156   file_menu->AppendSeparator();
 157   file_menu->Append(wxID_EXIT, "E&xit");
 158
 159   wxMenu *edit_menu = (wxMenu *) NULL;
 160
 161   if (isCanvas)
 162   {
 163     edit_menu = new wxMenu;
 164     edit_menu->Append(wxID_UNDO, "&Undo");
 165     edit_menu->Append(wxID_REDO, "&Redo");
 166     edit_menu->AppendSeparator();
 167     edit_menu->Append(DOCVIEW_CUT, "&Cut last segment");
 168
 169     doc->GetCommandProcessor()->SetEditMenu(edit_menu);
 170   }
 171
 172   wxMenu *help_menu = new wxMenu;
 173   help_menu->Append(DOCVIEW_ABOUT, "&About");
 174
 175   wxMenuBar *menu_bar = new wxMenuBar;
 176
 177   menu_bar->Append(file_menu, "&File");
 178   if (isCanvas)
 179     menu_bar->Append(edit_menu, "&Edit");
 180   menu_bar->Append(help_menu, "&Help");
 181
 182   //// Associate the menu bar with the frame
 183   subframe->SetMenuBar(menu_bar);
 184
 185   return subframe;
 186 }
 187
 188 /*
 189  * This is the top-level window of the application.
 190  */
 191
 192 IMPLEMENT_CLASS(MyFrame, wxDocMDIParentFrame)
 193 BEGIN_EVENT_TABLE(MyFrame, wxDocMDIParentFrame)
 194     EVT_MENU(DOCVIEW_ABOUT, MyFrame::OnAbout)
 195 END_EVENT_TABLE()
 196
 197 MyFrame::MyFrame(wxDocManager *manager, wxFrame *frame, const wxString& title,
 198     const wxPoint& pos, const wxSize& size, long type):
 199   wxDocMDIParentFrame(manager, frame, -1, title, pos, size, type, "myFrame")
 200 {
 201   editMenu = (wxMenu *) NULL;
 202 }
 203
 204 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 205 {
 206     (void)wxMessageBox("DocView Demo\nAuthor: Julian Smart julian.smart@ukonline.co.uk\nUsage: docview.exe", "About DocView");
 207 }
 208
 209 // Creates a canvas. Called from view.cpp when a new drawing
 210 // view is created.
 211 MyCanvas *MyFrame::CreateCanvas(wxView *view, wxFrame *parent)
 212 {
 213   int width, height;
 214   parent->GetClientSize(&width, &height);
 215
 216   // Non-retained canvas
 217   MyCanvas *canvas = new MyCanvas(view, parent, wxPoint(0, 0), wxSize(width, height), 0);
 218   canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
 219
 220   // Give it scrollbars
 221   canvas->SetScrollbars(20, 20, 50, 50);
 222
 223   return canvas;
 224 }
 225
 226 MyFrame *GetMainFrame(void)
 227 {
 228   return frame;
 229 }
 230