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process one event at once in wxEvtHandler::ProcessPendingEvents() to prevent crashes...
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1/////////////////////////////////////////////////////////////////////////////
2// Name: wx/palmos/app.h
3// Purpose: wxApp class
4// Author: William Osborne - minimal working wxPalmOS port
5// Modified by:
6// Created: 10/17/04
7// RCS-ID: $Id$
8// Copyright: (c) William Osborne
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef _WX_APP_H_
13#define _WX_APP_H_
14
15#include "wx/event.h"
16#include "wx/icon.h"
17
18class WXDLLIMPEXP_FWD_CORE wxFrame;
19class WXDLLIMPEXP_FWD_CORE wxWindow;
20class WXDLLIMPEXP_FWD_CORE wxApp;
21class WXDLLIMPEXP_FWD_CORE wxKeyEvent;
22class WXDLLIMPEXP_FWD_BASE wxLog;
23
24// Represents the application. Derive OnInit and declare
25// a new App object to start application
26class WXDLLEXPORT wxApp : public wxAppBase
27{
28 DECLARE_DYNAMIC_CLASS(wxApp)
29
30public:
31 wxApp();
32 virtual ~wxApp();
33
34 // override base class (pure) virtuals
35 virtual bool Initialize(int& argc, wxChar **argv);
36 virtual void CleanUp();
37
38 virtual bool Yield(bool onlyIfNeeded = false);
39 virtual void WakeUpIdle();
40
41 virtual void SetPrintMode(int mode) { m_printMode = mode; }
42 virtual int GetPrintMode() const { return m_printMode; }
43
44 // implementation only
45 void OnEndSession(wxCloseEvent& event);
46 void OnQueryEndSession(wxCloseEvent& event);
47
48#if wxUSE_EXCEPTIONS
49 virtual bool OnExceptionInMainLoop();
50#endif // wxUSE_EXCEPTIONS
51
52protected:
53 int m_printMode; // wxPRINT_WINDOWS, wxPRINT_POSTSCRIPT
54
55public:
56 // Implementation
57 static bool RegisterWindowClasses();
58 static bool UnregisterWindowClasses();
59
60#if wxUSE_RICHEDIT
61 // initialize the richedit DLL of (at least) given version, return true if
62 // ok (Win95 has version 1, Win98/NT4 has 1 and 2, W2K has 3)
63 static bool InitRichEdit(int version = 2);
64#endif // wxUSE_RICHEDIT
65
66 // returns 400, 470, 471 for comctl32.dll 4.00, 4.70, 4.71 or 0 if it
67 // wasn't found at all
68 static int GetComCtl32Version();
69
70 // the SW_XXX value to be used for the frames opened by the application
71 // (currently seems unused which is a bug -- TODO)
72 static int m_nCmdShow;
73
74protected:
75 DECLARE_EVENT_TABLE()
76 DECLARE_NO_COPY_CLASS(wxApp)
77};
78
79// ----------------------------------------------------------------------------
80// Palm OS specific wxEntry() overload and IMPLEMENT_WXWIN_MAIN definition
81// ----------------------------------------------------------------------------
82
83#ifndef SW_SHOWNORMAL
84 #define SW_SHOWNORMAL 1
85#endif
86
87extern int WXDLLEXPORT
88wxEntry();
89
90#define IMPLEMENT_WXWIN_MAIN \
91 \
92 extern "C" { \
93 \
94 uint32_t PilotMain(uint16_t cmd, MemPtr cmdPBP, uint16_t launchFlags) \
95 { \
96 switch (cmd) { \
97 case 0 /* sysAppLaunchCmdNormalLaunch */ : \
98 wxEntry(); \
99 break; \
100 default: \
101 break; \
102 } \
103 return 0 /* errNone */ ; \
104 } \
105 \
106 }
107
108#endif // _WX_APP_H_
109