include/wx/msw/app.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/app.h
   3 // Purpose:     wxApp class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // Copyright:   (c) Julian Smart
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_APP_H_
  12 #define _WX_APP_H_
  13
  14 #include "wx/event.h"
  15 #include "wx/icon.h"
  16
  17 class WXDLLIMPEXP_FWD_CORE wxFrame;
  18 class WXDLLIMPEXP_FWD_CORE wxWindow;
  19 class WXDLLIMPEXP_FWD_CORE wxApp;
  20 class WXDLLIMPEXP_FWD_CORE wxKeyEvent;
  21 class WXDLLIMPEXP_FWD_BASE wxLog;
  22
  23 // Represents the application. Derive OnInit and declare
  24 // a new App object to start application
  25 class WXDLLIMPEXP_CORE wxApp : public wxAppBase
  26 {
  27 public:
  28     wxApp();
  29     virtual ~wxApp();
  30
  31     // override base class (pure) virtuals
  32     virtual bool Initialize(int& argc, wxChar **argv);
  33     virtual void CleanUp();
  34
  35     virtual void WakeUpIdle();
  36
  37     virtual void SetPrintMode(int mode) { m_printMode = mode; }
  38     virtual int GetPrintMode() const { return m_printMode; }
  39
  40     // implementation only
  41     void OnIdle(wxIdleEvent& event);
  42     void OnEndSession(wxCloseEvent& event);
  43     void OnQueryEndSession(wxCloseEvent& event);
  44
  45 #if wxUSE_EXCEPTIONS
  46     virtual bool OnExceptionInMainLoop();
  47 #endif // wxUSE_EXCEPTIONS
  48
  49     // MSW-specific from now on
  50     // ------------------------
  51
  52     // this suffix should be appended to all our Win32 class names to obtain a
  53     // variant registered without CS_[HV]REDRAW styles
  54     static const wxChar *GetNoRedrawClassSuffix() { return wxT("NR"); }
  55
  56     // get the name of the registered Win32 class with the given (unique) base
  57     // name: this function constructs the unique class name using this name as
  58     // prefix, checks if the class is already registered and registers it if it
  59     // isn't and returns the name it was registered under (or NULL if it failed)
  60     //
  61     // the registered class will always have CS_[HV]REDRAW and CS_DBLCLKS
  62     // styles as well as any additional styles specified as arguments here; and
  63     // there will be also a companion registered class identical to this one
  64     // but without CS_[HV]REDRAW whose name will be the same one but with
  65     // GetNoRedrawClassSuffix()
  66     //
  67     // the background brush argument must be either a COLOR_XXX standard value
  68     // or (default) -1 meaning that the class paints its background itself
  69     static const wxChar *GetRegisteredClassName(const wxChar *name,
  70                                                 int bgBrushCol = -1,
  71                                                 int extraStyles = 0);
  72
  73     // return true if this name corresponds to one of the classes we registered
  74     // in the previous GetRegisteredClassName() calls
  75     static bool IsRegisteredClassName(const wxString& name);
  76
  77 protected:
  78     int    m_printMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
  79
  80 public:
  81     // unregister any window classes registered by GetRegisteredClassName()
  82     static void UnregisterWindowClasses();
  83
  84 #if wxUSE_RICHEDIT
  85     // initialize the richedit DLL of (at least) given version, return true if
  86     // ok (Win95 has version 1, Win98/NT4 has 1 and 2, W2K has 3)
  87     static bool InitRichEdit(int version = 2);
  88 #endif // wxUSE_RICHEDIT
  89
  90     // returns 400, 470, 471 for comctl32.dll 4.00, 4.70, 4.71 or 0 if it
  91     // wasn't found at all
  92     static int GetComCtl32Version();
  93
  94     // the same for shell32.dll: returns 400, 471, 500, 600, ... (4.70 not
  95     // currently detected)
  96     static int GetShell32Version();
  97
  98     // the SW_XXX value to be used for the frames opened by the application
  99     // (currently seems unused which is a bug -- TODO)
 100     static int m_nCmdShow;
 101
 102 protected:
 103     DECLARE_EVENT_TABLE()
 104     wxDECLARE_NO_COPY_CLASS(wxApp);
 105     DECLARE_DYNAMIC_CLASS(wxApp)
 106 };
 107
 108 #ifdef __WXWINCE__
 109
 110 // under CE provide a dummy implementation of GetComCtl32Version() returning
 111 // the value passing all ">= 470" tests (which are the only ones used in our
 112 // code currently) as commctrl.dll under CE 2.0 and later support comctl32.dll
 113 // functionality
 114 inline int wxApp::GetComCtl32Version()
 115 {
 116     return 471;
 117 }
 118
 119 // this is not currently used at all under CE so it's not really clear what do
 120 // we need to return from here
 121 inline int wxApp::GetShell32Version()
 122 {
 123     return 0;
 124 }
 125
 126 #endif // __WXWINCE__
 127
 128 #endif // _WX_APP_H_
 129