samples/docview/docview.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        samples/docview/docview.h
   3 // Purpose:     Document/view demo
   4 // Author:      Julian Smart
   5 // Modified by: Vadim Zeitlin: merge with the MDI version and general cleanup
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Julian Smart
   9 //              (c) 2008 Vadim Zeitlin
  10 // Licence:     wxWindows license
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_SAMPLES_DOCVIEW_DOCVIEW_H_
  14 #define _WX_SAMPLES_DOCVIEW_DOCVIEW_H_
  15
  16 #include "wx/docview.h"
  17
  18 class MyFrame;
  19 class MyCanvas;
  20 class DrawingView;
  21
  22 // Define a new application
  23 class MyApp : public wxApp
  24 {
  25 public:
  26     // this sample can be launched in several different ways:
  27     enum Mode
  28     {
  29 #if wxUSE_MDI_ARCHITECTURE
  30         Mode_MDI,   // MDI mode: multiple documents, single top level window
  31 #endif // wxUSE_MDI_ARCHITECTURE
  32         Mode_SDI,   // SDI mode: multiple documents, multiple top level windows
  33         Mode_Single // single document mode (and hence single top level window)
  34     };
  35
  36     MyApp();
  37
  38     // override some wxApp virtual methods
  39     virtual bool OnInit();
  40     virtual int OnExit();
  41
  42     virtual void OnInitCmdLine(wxCmdLineParser& parser);
  43     virtual bool OnCmdLineParsed(wxCmdLineParser& parser);
  44
  45     // our specific methods
  46     Mode GetMode() const { return m_mode; }
  47     wxFrame *CreateChildFrame(wxDocument *doc, wxView *view, bool isCanvas);
  48
  49     // these accessors should only be called in single document mode, otherwise
  50     // the pointers are NULL and an assert is triggered
  51     MyCanvas *GetMainWindowCanvas() const
  52         { wxASSERT(m_canvas); return m_canvas; }
  53     wxMenu *GetMainWindowEditMenu() const
  54         { wxASSERT(m_menuEdit); return m_menuEdit; }
  55
  56 private:
  57     // append the standard document-oriented menu commands to this menu
  58     void AppendDocumentFileCommands(wxMenu *menu, bool supportsPrinting);
  59
  60     // create the edit menu for drawing documents
  61     wxMenu *CreateDrawingEditMenu();
  62
  63     // create and associate with the given frame the menu bar containing the
  64     // given file and edit (possibly NULL) menus as well as the standard help
  65     // one
  66     void CreateMenuBarForFrame(wxFrame *frame, wxMenu *file, wxMenu *edit);
  67
  68
  69     // show the about box: as we can have different frames it's more
  70     // convenient, even if somewhat less usual, to handle this in the
  71     // application object itself
  72     void OnAbout(wxCommandEvent& event);
  73
  74
  75     // the currently used mode
  76     Mode m_mode;
  77
  78     // only used if m_mode == Mode_Single
  79     MyCanvas *m_canvas;
  80     wxMenu *m_menuEdit;
  81
  82     DECLARE_EVENT_TABLE()
  83     DECLARE_NO_COPY_CLASS(MyApp)
  84 };
  85
  86 DECLARE_APP(MyApp)
  87
  88 #endif // _WX_SAMPLES_DOCVIEW_DOCVIEW_H_