2804f77d88
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@50831 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
311 lines
11 KiB
C++
311 lines
11 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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#include "wx/platinfo.h"
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class WXDLLIMPEXP_FWD_BASE wxArrayString;
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class WXDLLIMPEXP_FWD_BASE wxConfigBase;
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class WXDLLIMPEXP_FWD_BASE wxEventLoopBase;
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#if wxUSE_FONTMAP
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class WXDLLIMPEXP_FWD_CORE wxFontMapper;
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#endif // wxUSE_FONTMAP
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class WXDLLIMPEXP_FWD_BASE wxLog;
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class WXDLLIMPEXP_FWD_BASE wxMessageOutput;
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class WXDLLIMPEXP_FWD_BASE wxObject;
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class WXDLLIMPEXP_FWD_CORE wxRendererNative;
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class WXDLLIMPEXP_FWD_BASE wxStandardPathsBase;
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class WXDLLIMPEXP_FWD_BASE wxString;
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class WXDLLIMPEXP_FWD_BASE wxTimer;
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class WXDLLIMPEXP_FWD_BASE wxTimerImpl;
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class GSocketManager;
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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 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 working with the global objects, may be overridden by the user
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// ------------------------------------------------------------------------
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#if wxUSE_CONFIG
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// create the default configuration object (base class version is
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// implemented in config.cpp and creates wxRegConfig for wxMSW and
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// wxFileConfig for all the other platforms)
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virtual wxConfigBase *CreateConfig();
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#endif // wxUSE_CONFIG
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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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#if wxUSE_INTL
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// called during wxApp initialization to set the locale to correspond to
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// the user default (i.e. system locale under Windows, LC_ALL under Unix)
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virtual void SetLocale();
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#endif // wxUSE_INTL
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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 socket manager: this is usually different for console and GUI
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// applications (although some ports use the same implementation for both)
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virtual GSocketManager *GetSocketManager() = 0;
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#endif
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// create a new, port specific, instance of the event loop used by wxApp
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virtual wxEventLoopBase *CreateEventLoop() = 0;
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#if wxUSE_TIMER
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// return platform and toolkit dependent wxTimer implementation
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virtual wxTimerImpl *CreateTimerImpl(wxTimer *timer) = 0;
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#endif
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#if wxUSE_THREADS
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virtual void MutexGuiEnter();
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virtual void MutexGuiLeave();
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#endif
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// functions returning port-specific information
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// ------------------------------------------------------------------------
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// return information about the (native) toolkit currently used and its
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// runtime (not compile-time) version.
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// returns wxPORT_BASE for console applications and one of the remaining
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// wxPORT_* values for GUI applications.
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virtual wxPortId GetToolkitVersion(int *majVer, int *minVer) const = 0;
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// return true if the port is using wxUniversal for the GUI, false if not
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virtual bool IsUsingUniversalWidgets() const = 0;
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// return the name of the Desktop Environment such as
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// "KDE" or "GNOME". May return an empty string.
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virtual wxString GetDesktopEnvironment() const = 0;
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// returns a short string to identify the block of the standard command
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// line options parsed automatically by current port: if this string is
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// empty, there are no such options, otherwise the function also fills
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// passed arrays with the names and the descriptions of those options.
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virtual wxString GetStandardCmdLineOptions(wxArrayString& names,
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wxArrayString& desc) const
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{
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wxUnusedVar(names);
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wxUnusedVar(desc);
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return wxEmptyString;
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}
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protected:
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#if wxUSE_STACKWALKER && defined( __WXDEBUG__ )
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// utility function: returns the stack frame as a plain wxString
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virtual wxString GetAssertStackTrace();
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#endif
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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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// ABX: check __WIN32__ instead of __WXMSW__ for the same MSWBase in any Win32 port
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#if defined(__WXPALMOS__)
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#include "wx/palmos/apptbase.h"
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#elif defined(__WIN32__)
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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(__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_CONSOLE_EVENTLOOP
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virtual wxEventLoopBase *CreateEventLoop() { return NULL; }
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#endif // !wxUSE_CONSOLE_EVENTLOOP
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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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#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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// the GetToolkitVersion for console application is always the same
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virtual wxPortId GetToolkitVersion(int *verMaj, int *verMin) const
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{
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// no toolkits (wxBase is for console applications without GUI support)
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// NB: zero means "no toolkit", -1 means "not initialized yet"
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// so we must use zero here!
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if (verMaj) *verMaj = 0;
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if (verMin) *verMin = 0;
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return wxPORT_BASE;
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}
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virtual bool IsUsingUniversalWidgets() const { return false; }
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virtual wxString GetDesktopEnvironment() const { return wxEmptyString; }
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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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#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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virtual bool IsUsingUniversalWidgets() const
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{
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#ifdef __WXUNIVERSAL__
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return true;
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#else
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return false;
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#endif
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}
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virtual wxString GetDesktopEnvironment() const { return wxEmptyString; }
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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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// ABX: check __WIN32__ instead of __WXMSW__ for the same MSWBase in any Win32 port
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#if defined(__WXPALMOS__)
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#include "wx/palmos/apptrait.h"
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#elif defined(__WIN32__)
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#include "wx/msw/apptrait.h"
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#elif defined(__OS2__)
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#include "wx/os2/apptrait.h"
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#elif defined(__UNIX__)
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#include "wx/unix/apptrait.h"
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#elif defined(__DOS__)
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#include "wx/msdos/apptrait.h"
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#else
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#if wxUSE_GUI
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class wxGUIAppTraits : public wxGUIAppTraitsBase
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{
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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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};
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#endif // platform
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#endif // _WX_APPTRAIT_H_
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