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, (const wxString) "DocView Demo", wxPoint(0, 0), wxSize(500, 400), wxDEFAULT_FRAME_STYLE);
  68
  69   //// Give it an icon (this is ignored in MDI mode: uses resources)
  70 #ifdef __WXMSW__
  71   frame->SetIcon(wxIcon("doc"));
  72 #endif
  73 #ifdef __X__
  74   frame->SetIcon(wxIcon("doc.xbm"));
  75 #endif
  76
  77   //// Make a menubar
  78   wxMenu *file_menu = new wxMenu;
  79   wxMenu *edit_menu = (wxMenu *) NULL;
  80
  81   file_menu->Append(wxID_NEW, "&New...\tCtrl-N");
  82   file_menu->Append(wxID_OPEN, "&Open...\tCtrl-X");
  83
  84   file_menu->AppendSeparator();
  85   file_menu->Append(wxID_EXIT, "E&xit\tAlt-X");
  86
  87   // A nice touch: a history of files visited. Use this menu.
  88   m_docManager->FileHistoryUseMenu(file_menu);
  89
  90   wxMenu *help_menu = new wxMenu;
  91   help_menu->Append(DOCVIEW_ABOUT, "&About\tF1");
  92
  93   wxMenuBar *menu_bar = new wxMenuBar;
  94
  95   menu_bar->Append(file_menu, "&File");
  96   if (edit_menu)
  97     menu_bar->Append(edit_menu, "&Edit");
  98   menu_bar->Append(help_menu, "&Help");
  99
 100   //// Associate the menu bar with the frame
 101   frame->SetMenuBar(menu_bar);
 102
 103   frame->Centre(wxBOTH);
 104   frame->Show(TRUE);
 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 = new wxDocMDIChildFrame(doc, view, GetMainFrame(), -1, "Child Frame",
 125         wxPoint(10, 10), wxSize(300, 300), wxDEFAULT_FRAME_STYLE);
 126
 127 #ifdef __WXMSW__
 128   subframe->SetIcon(wxString(isCanvas ? "chart" : "notepad"));
 129 #endif
 130 #ifdef __X__
 131   subframe->SetIcon(wxIcon("doc.xbm"));
 132 #endif
 133
 134   //// Make a menubar
 135   wxMenu *file_menu = new wxMenu;
 136
 137   file_menu->Append(wxID_NEW, "&New...");
 138   file_menu->Append(wxID_OPEN, "&Open...");
 139   file_menu->Append(wxID_CLOSE, "&Close");
 140   file_menu->Append(wxID_SAVE, "&Save");
 141   file_menu->Append(wxID_SAVEAS, "Save &As...");
 142
 143   if (isCanvas)
 144   {
 145     file_menu->AppendSeparator();
 146     file_menu->Append(wxID_PRINT, "&Print...");
 147     file_menu->Append(wxID_PRINT_SETUP, "Print &Setup...");
 148     file_menu->Append(wxID_PREVIEW, "Print Pre&view");
 149   }
 150
 151   file_menu->AppendSeparator();
 152   file_menu->Append(wxID_EXIT, "E&xit");
 153
 154   wxMenu *edit_menu = (wxMenu *) NULL;
 155
 156   if (isCanvas)
 157   {
 158     edit_menu = new wxMenu;
 159     edit_menu->Append(wxID_UNDO, "&Undo");
 160     edit_menu->Append(wxID_REDO, "&Redo");
 161     edit_menu->AppendSeparator();
 162     edit_menu->Append(DOCVIEW_CUT, "&Cut last segment");
 163
 164     doc->GetCommandProcessor()->SetEditMenu(edit_menu);
 165   }
 166
 167   wxMenu *help_menu = new wxMenu;
 168   help_menu->Append(DOCVIEW_ABOUT, "&About");
 169
 170   wxMenuBar *menu_bar = new wxMenuBar;
 171
 172   menu_bar->Append(file_menu, "&File");
 173   if (isCanvas)
 174     menu_bar->Append(edit_menu, "&Edit");
 175   menu_bar->Append(help_menu, "&Help");
 176
 177   //// Associate the menu bar with the frame
 178   subframe->SetMenuBar(menu_bar);
 179
 180   return subframe;
 181 }
 182
 183 /*
 184  * This is the top-level window of the application.
 185  */
 186
 187 IMPLEMENT_CLASS(MyFrame, wxDocMDIParentFrame)
 188 BEGIN_EVENT_TABLE(MyFrame, wxDocMDIParentFrame)
 189     EVT_MENU(DOCVIEW_ABOUT, MyFrame::OnAbout)
 190 END_EVENT_TABLE()
 191
 192 MyFrame::MyFrame(wxDocManager *manager, wxFrame *frame, const wxString& title,
 193     const wxPoint& pos, const wxSize& size, long type):
 194   wxDocMDIParentFrame(manager, frame, -1, title, pos, size, type, "myFrame")
 195 {
 196   editMenu = (wxMenu *) NULL;
 197 }
 198
 199 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
 200 {
 201     (void)wxMessageBox("DocView Demo\nAuthor: Julian Smart julian.smart@ukonline.co.uk\nUsage: docview.exe", "About DocView");
 202 }
 203
 204 // Creates a canvas. Called from view.cpp when a new drawing
 205 // view is created.
 206 MyCanvas *MyFrame::CreateCanvas(wxView *view, wxFrame *parent)
 207 {
 208   int width, height;
 209   parent->GetClientSize(&width, &height);
 210
 211   // Non-retained canvas
 212   MyCanvas *canvas = new MyCanvas(view, parent, wxPoint(0, 0), wxSize(width, height), 0);
 213   canvas->SetCursor(wxCursor(wxCURSOR_PENCIL));
 214
 215   // Give it scrollbars
 216   canvas->SetScrollbars(20, 20, 50, 50);
 217
 218   return canvas;
 219 }
 220
 221 MyFrame *GetMainFrame(void)
 222 {
 223   return frame;
 224 }
 225