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