wxWidgets/include/wx/apptrait.h
Vadim Zeitlin bd362275b8 Remove Palm OS port.
The platform targeted by this port doesn't exist any more and the port never
achieved really working state so remove the code to avoid having to maintain
it.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70345 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2012-01-15 01:05:28 +00:00

296 lines
10 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: wx/apptrait.h
// Purpose: declaration of wxAppTraits and derived classes
// Author: Vadim Zeitlin
// Modified by:
// Created: 19.06.2003
// RCS-ID: $Id$
// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_APPTRAIT_H_
#define _WX_APPTRAIT_H_
#include "wx/string.h"
#include "wx/platinfo.h"
class WXDLLIMPEXP_FWD_BASE wxArrayString;
class WXDLLIMPEXP_FWD_BASE wxConfigBase;
class WXDLLIMPEXP_FWD_BASE wxEventLoopBase;
#if wxUSE_FONTMAP
class WXDLLIMPEXP_FWD_CORE wxFontMapper;
#endif // wxUSE_FONTMAP
class WXDLLIMPEXP_FWD_BASE wxLog;
class WXDLLIMPEXP_FWD_BASE wxMessageOutput;
class WXDLLIMPEXP_FWD_BASE wxObject;
class WXDLLIMPEXP_FWD_CORE wxRendererNative;
class WXDLLIMPEXP_FWD_BASE wxStandardPaths;
class WXDLLIMPEXP_FWD_BASE wxString;
class WXDLLIMPEXP_FWD_BASE wxTimer;
class WXDLLIMPEXP_FWD_BASE wxTimerImpl;
class wxSocketManager;
// ----------------------------------------------------------------------------
// wxAppTraits: this class defines various configurable aspects of wxApp
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_BASE wxAppTraitsBase
{
public:
// needed since this class declares virtual members
virtual ~wxAppTraitsBase() { }
// hooks for working with the global objects, may be overridden by the user
// ------------------------------------------------------------------------
#if wxUSE_CONFIG
// create the default configuration object (base class version is
// implemented in config.cpp and creates wxRegConfig for wxMSW and
// wxFileConfig for all the other platforms)
virtual wxConfigBase *CreateConfig();
#endif // wxUSE_CONFIG
#if wxUSE_LOG
// create the default log target
virtual wxLog *CreateLogTarget() = 0;
#endif // wxUSE_LOG
// create the global object used for printing out messages
virtual wxMessageOutput *CreateMessageOutput() = 0;
#if wxUSE_FONTMAP
// create the global font mapper object used for encodings/charset mapping
virtual wxFontMapper *CreateFontMapper() = 0;
#endif // wxUSE_FONTMAP
// get the renderer to use for drawing the generic controls (return value
// may be NULL in which case the default renderer for the current platform
// is used); this is used in GUI only and always returns NULL in console
//
// NB: returned pointer will be deleted by the caller
virtual wxRendererNative *CreateRenderer() = 0;
// wxStandardPaths object is normally the same for wxBase and wxGUI
// except in the case of wxMac and wxCocoa
virtual wxStandardPaths& GetStandardPaths();
#if wxUSE_INTL
// called during wxApp initialization to set the locale to correspond to
// the user default (i.e. system locale under Windows, LC_ALL under Unix)
virtual void SetLocale();
#endif // wxUSE_INTL
// functions abstracting differences between GUI and console modes
// ------------------------------------------------------------------------
// show the assert dialog with the specified message in GUI or just print
// the string to stderr in console mode
//
// base class version has an implementation (in spite of being pure
// virtual) in base/appbase.cpp which can be called as last resort.
//
// return true to suppress subsequent asserts, false to continue as before
virtual bool ShowAssertDialog(const wxString& msg) = 0;
// return true if fprintf(stderr) goes somewhere, false otherwise
virtual bool HasStderr() = 0;
#if wxUSE_SOCKETS
// this function is used by wxNet library to set the default socket manager
// to use: doing it like this allows us to keep all socket-related code in
// wxNet instead of having to pull it in wxBase itself as we'd have to do
// if we really implemented wxSocketManager here
//
// we don't take ownership of this pointer, it should have a lifetime
// greater than that of any socket (e.g. be a pointer to a static object)
static void SetDefaultSocketManager(wxSocketManager *manager)
{
ms_manager = manager;
}
// return socket manager: this is usually different for console and GUI
// applications (although some ports use the same implementation for both)
virtual wxSocketManager *GetSocketManager() { return ms_manager; }
#endif
// create a new, port specific, instance of the event loop used by wxApp
virtual wxEventLoopBase *CreateEventLoop() = 0;
#if wxUSE_TIMER
// return platform and toolkit dependent wxTimer implementation
virtual wxTimerImpl *CreateTimerImpl(wxTimer *timer) = 0;
#endif
#if wxUSE_THREADS
virtual void MutexGuiEnter();
virtual void MutexGuiLeave();
#endif
// functions returning port-specific information
// ------------------------------------------------------------------------
// return information about the (native) toolkit currently used and its
// runtime (not compile-time) version.
// returns wxPORT_BASE for console applications and one of the remaining
// wxPORT_* values for GUI applications.
virtual wxPortId GetToolkitVersion(int *majVer = NULL, int *minVer = NULL) const = 0;
// return true if the port is using wxUniversal for the GUI, false if not
virtual bool IsUsingUniversalWidgets() const = 0;
// return the name of the Desktop Environment such as
// "KDE" or "GNOME". May return an empty string.
virtual wxString GetDesktopEnvironment() const = 0;
// returns a short string to identify the block of the standard command
// line options parsed automatically by current port: if this string is
// empty, there are no such options, otherwise the function also fills
// passed arrays with the names and the descriptions of those options.
virtual wxString GetStandardCmdLineOptions(wxArrayString& names,
wxArrayString& desc) const
{
wxUnusedVar(names);
wxUnusedVar(desc);
return wxEmptyString;
}
protected:
#if wxUSE_STACKWALKER
// utility function: returns the stack frame as a plain wxString
virtual wxString GetAssertStackTrace();
#endif
private:
static wxSocketManager *ms_manager;
};
// ----------------------------------------------------------------------------
// include the platform-specific version of the class
// ----------------------------------------------------------------------------
// NB: test for __UNIX__ before __WXMAC__ as under Darwin we want to use the
// Unix code (and otherwise __UNIX__ wouldn't be defined)
// ABX: check __WIN32__ instead of __WXMSW__ for the same MSWBase in any Win32 port
#if defined(__WIN32__)
#include "wx/msw/apptbase.h"
#elif defined(__UNIX__) && !defined(__EMX__)
#include "wx/unix/apptbase.h"
#elif defined(__OS2__)
#include "wx/os2/apptbase.h"
#else // no platform-specific methods to add to wxAppTraits
// wxAppTraits must be a class because it was forward declared as class
class WXDLLIMPEXP_BASE wxAppTraits : public wxAppTraitsBase
{
};
#endif // platform
// ============================================================================
// standard traits for console and GUI applications
// ============================================================================
// ----------------------------------------------------------------------------
// wxConsoleAppTraitsBase: wxAppTraits implementation for the console apps
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_BASE wxConsoleAppTraitsBase : public wxAppTraits
{
public:
#if !wxUSE_CONSOLE_EVENTLOOP
virtual wxEventLoopBase *CreateEventLoop() { return NULL; }
#endif // !wxUSE_CONSOLE_EVENTLOOP
#if wxUSE_LOG
virtual wxLog *CreateLogTarget();
#endif // wxUSE_LOG
virtual wxMessageOutput *CreateMessageOutput();
#if wxUSE_FONTMAP
virtual wxFontMapper *CreateFontMapper();
#endif // wxUSE_FONTMAP
virtual wxRendererNative *CreateRenderer();
virtual bool ShowAssertDialog(const wxString& msg);
virtual bool HasStderr();
// the GetToolkitVersion for console application is always the same
virtual wxPortId GetToolkitVersion(int *verMaj = NULL, int *verMin = NULL) const
{
// no toolkits (wxBase is for console applications without GUI support)
// NB: zero means "no toolkit", -1 means "not initialized yet"
// so we must use zero here!
if (verMaj) *verMaj = 0;
if (verMin) *verMin = 0;
return wxPORT_BASE;
}
virtual bool IsUsingUniversalWidgets() const { return false; }
virtual wxString GetDesktopEnvironment() const { return wxEmptyString; }
};
// ----------------------------------------------------------------------------
// wxGUIAppTraitsBase: wxAppTraits implementation for the GUI apps
// ----------------------------------------------------------------------------
#if wxUSE_GUI
class WXDLLIMPEXP_CORE wxGUIAppTraitsBase : public wxAppTraits
{
public:
#if wxUSE_LOG
virtual wxLog *CreateLogTarget();
#endif // wxUSE_LOG
virtual wxMessageOutput *CreateMessageOutput();
#if wxUSE_FONTMAP
virtual wxFontMapper *CreateFontMapper();
#endif // wxUSE_FONTMAP
virtual wxRendererNative *CreateRenderer();
virtual bool ShowAssertDialog(const wxString& msg);
virtual bool HasStderr();
virtual bool IsUsingUniversalWidgets() const
{
#ifdef __WXUNIVERSAL__
return true;
#else
return false;
#endif
}
virtual wxString GetDesktopEnvironment() const { return wxEmptyString; }
};
#endif // wxUSE_GUI
// ----------------------------------------------------------------------------
// include the platform-specific version of the classes above
// ----------------------------------------------------------------------------
// ABX: check __WIN32__ instead of __WXMSW__ for the same MSWBase in any Win32 port
#if defined(__WIN32__)
#include "wx/msw/apptrait.h"
#elif defined(__OS2__)
#include "wx/os2/apptrait.h"
#elif defined(__UNIX__)
#include "wx/unix/apptrait.h"
#elif defined(__DOS__)
#include "wx/msdos/apptrait.h"
#else
#if wxUSE_GUI
class wxGUIAppTraits : public wxGUIAppTraitsBase
{
};
#endif // wxUSE_GUI
class wxConsoleAppTraits: public wxConsoleAppTraitsBase
{
};
#endif // platform
#endif // _WX_APPTRAIT_H_