a809b45d59
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32361 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
256 lines
9.1 KiB
C++
256 lines
9.1 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/apptrait.h
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// Purpose: declaration of wxAppTraits and derived classes
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 19.06.2003
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// RCS-ID: $Id$
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// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_APPTRAIT_H_
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#define _WX_APPTRAIT_H_
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#include "wx/string.h"
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class WXDLLIMPEXP_BASE wxObject;
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class WXDLLEXPORT wxAppTraits;
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#if wxUSE_FONTMAP
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class WXDLLEXPORT wxFontMapper;
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#endif // wxUSE_FONTMAP
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class WXDLLIMPEXP_BASE wxLog;
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class WXDLLIMPEXP_BASE wxMessageOutput;
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class WXDLLEXPORT wxRendererNative;
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class WXDLLIMPEXP_BASE wxString;
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class GSocketGUIFunctionsTable;
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// ----------------------------------------------------------------------------
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// toolkit information
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// ----------------------------------------------------------------------------
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// Information about the toolkit that the app is running under (e.g. wxMSW):
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struct WXDLLIMPEXP_BASE wxToolkitInfo
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{
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// Short name of the toolkit (e.g. "msw" or "mswuniv"); empty for console:
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wxString shortName;
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// Descriptive name of the toolkit, human readable (e.g. "wxMSW" or
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// "wxMSW/Universal"); "wxBase" for console apps:
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wxString name;
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// Version of the underlying toolkit or of the OS for console apps:
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int versionMajor, versionMinor;
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// OS mnenomics, e.g. wxGTK or wxMSW:
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int os;
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};
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// ----------------------------------------------------------------------------
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// wxAppTraits: this class defines various configurable aspects of wxApp
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_BASE wxStandardPathsBase;
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class WXDLLIMPEXP_BASE wxAppTraitsBase
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{
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public:
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// needed since this class declares virtual members
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virtual ~wxAppTraitsBase() { }
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// hooks for creating the global objects, may be overridden by the user
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// ------------------------------------------------------------------------
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#if wxUSE_LOG
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// create the default log target
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virtual wxLog *CreateLogTarget() = 0;
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#endif // wxUSE_LOG
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// create the global object used for printing out messages
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virtual wxMessageOutput *CreateMessageOutput() = 0;
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#if wxUSE_FONTMAP
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// create the global font mapper object used for encodings/charset mapping
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virtual wxFontMapper *CreateFontMapper() = 0;
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#endif // wxUSE_FONTMAP
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// get the renderer to use for drawing the generic controls (return value
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// may be NULL in which case the default renderer for the current platform
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// is used); this is used in GUI only and always returns NULL in console
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//
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// NB: returned pointer will be deleted by the caller
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virtual wxRendererNative *CreateRenderer() = 0;
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// wxStandardPaths object is normally the same for wxBase and wxGUI
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// except in the case of wxMac and wxCocoa
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virtual wxStandardPathsBase& GetStandardPaths();
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// functions abstracting differences between GUI and console modes
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// ------------------------------------------------------------------------
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#ifdef __WXDEBUG__
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// show the assert dialog with the specified message in GUI or just print
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// the string to stderr in console mode
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//
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// base class version has an implementation (in spite of being pure
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// virtual) in base/appbase.cpp which can be called as last resort.
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//
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// return true to suppress subsequent asserts, false to continue as before
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virtual bool ShowAssertDialog(const wxString& msg) = 0;
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#endif // __WXDEBUG__
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// return true if fprintf(stderr) goes somewhere, false otherwise
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virtual bool HasStderr() = 0;
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// managing "pending delete" list: in GUI mode we can't immediately delete
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// some objects because there may be unprocessed events for them and so we
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// only do it during the next idle loop iteration while this is, of course,
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// unnecessary in wxBase, so we have a few functions to abstract these
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// operations
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// add the object to the pending delete list in GUI, delete it immediately
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// in wxBase
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virtual void ScheduleForDestroy(wxObject *object) = 0;
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// remove this object from the pending delete list in GUI, do nothing in
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// wxBase
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virtual void RemoveFromPendingDelete(wxObject *object) = 0;
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#if wxUSE_SOCKETS
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// return table of GUI callbacks for GSocket code or NULL in wxBase. This
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// is needed because networking classes are in their own library and so
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// they can't directly call GUI functions (the same net library can be
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// used in both GUI and base apps). To complicate it further, GUI library
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// ("wxCore") doesn't depend on networking library and so only a functions
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// table can be passed around
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virtual GSocketGUIFunctionsTable* GetSocketGUIFunctionsTable() = 0;
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#endif
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// return information about what toolkit is running; we need for two things
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// that are both contained in wxBase:
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// - wxGetOsVersion() behaves differently in GUI and non-GUI builds under
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// Unix: in the former case it returns the information about the toolkit
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// and in the latter -- about the OS, so we need to virtualize it
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// - wxDynamicLibrary::CanonicalizePluginName() must embed toolkit
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// signature in DLL name
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virtual wxToolkitInfo& GetToolkitInfo() = 0;
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};
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// ----------------------------------------------------------------------------
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// include the platform-specific version of the class
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// ----------------------------------------------------------------------------
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// NB: test for __UNIX__ before __WXMAC__ as under Darwin we want to use the
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// Unix code (and otherwise __UNIX__ wouldn't be defined)
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#if defined(__WXPALMOS__)
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#include "wx/palmos/apptbase.h"
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#elif defined(__WXMSW__)
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#include "wx/msw/apptbase.h"
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#elif defined(__UNIX__) && !defined(__EMX__)
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#include "wx/unix/apptbase.h"
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#elif defined(__WXMAC__)
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#include "wx/mac/apptbase.h"
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#elif defined(__OS2__)
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#include "wx/os2/apptbase.h"
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#else // no platform-specific methods to add to wxAppTraits
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// wxAppTraits must be a class because it was forward declared as class
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class WXDLLIMPEXP_BASE wxAppTraits : public wxAppTraitsBase
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{
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};
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#endif // platform
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// ============================================================================
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// standard traits for console and GUI applications
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxConsoleAppTraitsBase: wxAppTraits implementation for the console apps
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_BASE wxConsoleAppTraitsBase : public wxAppTraits
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{
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public:
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#if wxUSE_LOG
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virtual wxLog *CreateLogTarget();
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#endif // wxUSE_LOG
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virtual wxMessageOutput *CreateMessageOutput();
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#if wxUSE_FONTMAP
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virtual wxFontMapper *CreateFontMapper();
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#endif // wxUSE_FONTMAP
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virtual wxRendererNative *CreateRenderer();
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#if wxUSE_SOCKETS
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virtual GSocketGUIFunctionsTable* GetSocketGUIFunctionsTable();
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#endif
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#ifdef __WXDEBUG__
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virtual bool ShowAssertDialog(const wxString& msg);
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#endif // __WXDEBUG__
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virtual bool HasStderr();
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virtual void ScheduleForDestroy(wxObject *object);
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virtual void RemoveFromPendingDelete(wxObject *object);
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};
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// ----------------------------------------------------------------------------
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// wxGUIAppTraitsBase: wxAppTraits implementation for the GUI apps
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// ----------------------------------------------------------------------------
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#if wxUSE_GUI
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class WXDLLEXPORT wxGUIAppTraitsBase : public wxAppTraits
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{
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public:
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#if wxUSE_LOG
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virtual wxLog *CreateLogTarget();
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#endif // wxUSE_LOG
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virtual wxMessageOutput *CreateMessageOutput();
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#if wxUSE_FONTMAP
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virtual wxFontMapper *CreateFontMapper();
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#endif // wxUSE_FONTMAP
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virtual wxRendererNative *CreateRenderer();
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#if wxUSE_SOCKETS
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virtual GSocketGUIFunctionsTable* GetSocketGUIFunctionsTable();
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#endif
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#ifdef __WXDEBUG__
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virtual bool ShowAssertDialog(const wxString& msg);
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#endif // __WXDEBUG__
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virtual bool HasStderr();
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virtual void ScheduleForDestroy(wxObject *object);
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virtual void RemoveFromPendingDelete(wxObject *object);
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};
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#endif // wxUSE_GUI
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// ----------------------------------------------------------------------------
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// include the platform-specific version of the classes above
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// ----------------------------------------------------------------------------
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#if defined(__WXPALMOS__)
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#include "wx/palmos/apptrait.h"
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#elif defined(__WXMSW__)
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#include "wx/msw/apptrait.h"
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#elif defined(__UNIX__) && !defined(__EMX__)
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#include "wx/unix/apptrait.h"
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#elif defined(__WXMAC__)
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#include "wx/mac/apptrait.h"
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#elif defined(__WXPM__)
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#include "wx/os2/apptrait.h"
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#else
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// at least, we need an implementation of GetToolkitInfo !
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#if wxUSE_GUI
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class wxGUIAppTraits : public wxGUIAppTraitsBase
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{
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virtual wxToolkitInfo& GetToolkitInfo();
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};
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#endif // wxUSE_GUI
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class wxConsoleAppTraits: public wxConsoleAppTraitsBase
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{
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virtual wxToolkitInfo& GetToolkitInfo();
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};
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#endif // platform
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#endif // _WX_APPTRAIT_H_
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