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