384 lines
15 KiB
C
384 lines
15 KiB
C
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/////////////////////////////////////////////////////////////////////////////
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// Name: stdpaths.h
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// Purpose: interface of wxStandardPaths
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// Author: wxWidgets team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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/**
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@class wxStandardPaths
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wxStandardPaths returns the standard locations in the file system and should be
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used by applications to find their data files in a portable way.
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Note that you must not create objects of class wxStandardPaths directly,
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but use the global standard paths object returned by wxStandardPaths::Get()
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(which can be of a type derived from wxStandardPaths and not of exactly
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this type) and call the methods you need on it. The object returned by
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Get() may be customized by overriding wxAppTraits::GetStandardPaths()
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methods.
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In the description of the methods below, the example return values are given
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for the Unix, Windows and Mac OS X systems, however please note that these are
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just the examples and the actual values may differ. For example, under Windows:
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the system administrator may change the standard directories locations, e.g.
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the Windows directory may be named @c "W:\Win2003" instead of
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the default @c "C:\Windows".
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Notice that in the examples below the string @c appinfo may be either just
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the application name (as returned by wxApp::GetAppName()) or a combination
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of the vendor name (wxApp::GetVendorName()) and the application name, with
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a path separator between them. By default, only the application name is
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used, use UseAppInfo() to change this.
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The other placeholders should be self-explanatory: the string @c username
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should be replaced with the value the name of the currently logged in user.
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and @c prefix is only used under Unix and is @c /usr/local by default but
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may be changed using wxStandardPaths::SetInstallPrefix().
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The directories returned by the methods of this class may or may not exist.
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If they don't exist, it's up to the caller to create them, wxStandardPaths doesn't
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do it.
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Finally note that these functions only work with standardly packaged
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applications. I.e. under Unix you should follow the standard installation
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conventions and under Mac you should create your application bundle according
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to the Apple guidelines. Again, this class doesn't help you to do it.
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This class is MT-safe: its methods may be called concurrently from different
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threads without additional locking.
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@library{wxbase}
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@category{file}
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@see wxFileConfig
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*/
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class wxStandardPaths
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{
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public:
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/// Possible values for category parameter of GetLocalizedResourcesDir().
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enum ResourceCat
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{
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/// No special category, this is the default.
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ResourceCat_None,
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/// Message catalog resources category.
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ResourceCat_Messages
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};
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/**
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MSW-specific function undoing the effect of IgnoreAppSubDir() calls.
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After a call to this function the program directory will be exactly the
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directory containing the main application binary, i.e. it undoes the
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effect of any previous IgnoreAppSubDir() calls including the ones done
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indirectly by IgnoreAppBuildSubDirs() called from the class
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constructor.
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@since 2.9.1
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*/
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void DontIgnoreAppSubDir();
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/**
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Returns reference to the unique global standard paths object.
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*/
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static wxStandardPaths& Get();
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/**
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Return the directory for the document files used by this application.
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If the application-specific directory doesn't exist, this function
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returns GetDocumentsDir().
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Example return values:
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- Unix: @c ~/appinfo
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- Windows: @c "C:\Users\username\Documents\appinfo" or
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@c "C:\Documents and Settings\username\My Documents\appinfo"
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- Mac: @c ~/Documents/appinfo
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@since 2.9.0
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*/
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virtual wxString GetAppDocumentsDir() const;
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/**
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Return the directory containing the system config files.
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Example return values:
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- Unix: @c /etc
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- Windows: @c "C:\ProgramData\appinfo" or
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@c "C:\Documents and Settings\All Users\Application Data\appinfo"
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- Mac: @c /Library/Preferences
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@note Under Windows this includes @c appinfo which makes it inconsistent
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with other ports.
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@see wxFileConfig
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*/
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virtual wxString GetConfigDir() const;
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/**
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Return the location of the applications global, i.e.\ not user-specific,
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data files.
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Example return values:
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- Unix: @c prefix/share/appinfo
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- Windows: the directory where the executable file is located
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- Mac: @c appinfo.app/Contents/SharedSupport bundle subdirectory
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Under Unix (only) it is possible to override the default value returned
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from this function by setting the value of @c WX_APPNAME_DATA_DIR
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environment variable to the directory to use (where @c APPNAME is the
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upper-cased value of wxApp::GetAppName()). This is useful in order to
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be able to run applications using this function without installing them
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as you can simply set this environment variable to the source directory
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location to allow the application to find its files there.
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@see GetLocalDataDir()
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*/
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virtual wxString GetDataDir() const;
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/**
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Return the directory containing the current user's documents.
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Example return values:
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- Unix: @c ~ (the home directory)
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- Windows: @c "C:\Users\username\Documents" or
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@c "C:\Documents and Settings\username\My Documents"
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- Mac: @c ~/Documents
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@since 2.7.0
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@see GetAppDocumentsDir()
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*/
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virtual wxString GetDocumentsDir() const;
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/**
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Return the directory and the filename for the current executable.
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Example return values:
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- Unix: @c /usr/local/bin/exename
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- Windows: @c "C:\Programs\AppFolder\exename.exe"
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- Mac: @c /Applications/exename.app/Contents/MacOS/exename
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*/
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virtual wxString GetExecutablePath() const;
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/**
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Return the program installation prefix, e.g.\ @c /usr, @c /opt or @c /home/zeitlin.
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If the prefix had been previously by SetInstallPrefix(), returns that
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value, otherwise tries to determine it automatically (Linux only right now)
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and finally returns the default @c /usr/local value if it failed.
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@note This function is only available under Unix platforms (but not limited
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to wxGTK mentioned below).
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@onlyfor{wxos2,wxgtk}
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*/
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wxString GetInstallPrefix() const;
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/**
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Return the location for application data files which are host-specific and
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can't, or shouldn't, be shared with the other machines.
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This is the same as GetDataDir() except under Unix where it returns @c /etc/appinfo.
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*/
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virtual wxString GetLocalDataDir() const;
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/**
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Return the localized resources directory containing the resource files of the
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specified category for the given language.
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In general this is just the same as @a lang subdirectory of GetResourcesDir()
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(or @c lang.lproj under Mac OS X) but is something quite different for
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message catalog category under Unix where it returns the standard
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@c prefix/share/locale/lang/LC_MESSAGES directory.
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@since 2.7.0
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*/
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virtual wxString
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GetLocalizedResourcesDir(const wxString& lang,
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ResourceCat category = ResourceCat_None) const;
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/**
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Return the directory where the loadable modules (plugins) live.
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Example return values:
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- Unix: @c prefix/lib/appinfo
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- Windows: the directory of the executable file
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- Mac: @c appinfo.app/Contents/PlugIns bundle subdirectory
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@see wxDynamicLibrary
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*/
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virtual wxString GetPluginsDir() const;
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/**
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Return the directory where the application resource files are located.
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The resources are the auxiliary data files needed for the application to run
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and include, for example, image and sound files it might use.
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This function is the same as GetDataDir() for all platforms except Mac OS X.
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Example return values:
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- Unix: @c prefix/share/appinfo
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- Windows: the directory where the executable file is located
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- Mac: @c appinfo.app/Contents/Resources bundle subdirectory
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@since 2.7.0
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@see GetLocalizedResourcesDir()
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*/
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virtual wxString GetResourcesDir() const;
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/**
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Return the directory for storing temporary files.
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To create unique temporary files, it is best to use wxFileName::CreateTempFileName
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for correct behaviour when multiple processes are attempting to create temporary files.
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@since 2.7.2
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*/
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virtual wxString GetTempDir() const;
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/**
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Return the directory for the user config files:
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- Unix: @c ~ (the home directory)
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- Windows: @c "C:\Users\username\AppData\Roaming" or
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@c "C:\Documents and Settings\username\Application Data"
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- Mac: @c ~/Library/Preferences
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Only use this method if you have a single configuration file to put in this
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directory, otherwise GetUserDataDir() is more appropriate as the latter
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adds @c appinfo to the path, unlike this function.
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*/
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virtual wxString GetUserConfigDir() const;
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/**
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Return the directory for the user-dependent application data files:
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- Unix: @c ~/.appinfo
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- Windows: @c "C:\Users\username\AppData\Roaming\appinfo" or
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@c "C:\Documents and Settings\username\Application Data\appinfo"
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- Mac: @c "~/Library/Application Support/appinfo"
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*/
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virtual wxString GetUserDataDir() const;
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/**
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Return the directory for user data files which shouldn't be shared with
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the other machines.
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This is the same as GetUserDataDir() for all platforms except Windows where it returns
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@c "C:\Users\username\AppData\Local\appinfo" or
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@c "C:\Documents and Settings\username\Local Settings\Application Data\appinfo"
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*/
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virtual wxString GetUserLocalDataDir() const;
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/**
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MSW-specific function to customize application directory detection.
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This class supposes that data, plugins &c files are located under the
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program directory which is the directory containing the application
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binary itself. But sometimes this binary may be in a subdirectory of
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the main program directory, e.g. this happens in at least the following
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common cases:
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- The program is in "bin" subdirectory of the installation directory.
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- The program is in "debug" subdirectory of the directory containing
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sources and data files during development
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By calling this function you instruct the class to remove the last
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component of the path if it matches its argument. Notice that it may be
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called more than once, e.g. you can call both IgnoreAppSubDir("bin") and
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IgnoreAppSubDir("debug") to take care of both production and development
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cases above but that each call will only remove the last path component.
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Finally note that the argument can contain wild cards so you can also
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call IgnoreAppSubDir("vc*msw*") to ignore all build directories at once
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when using wxWidgets-inspired output directories names.
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@since 2.9.1
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@see IgnoreAppBuildSubDirs()
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@param subdirPattern
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The subdirectory containing the application binary which should be
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ignored when determining the top application directory. The pattern
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is case-insensitive and may contain wild card characters @c '?' and
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@c '*'.
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*/
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void IgnoreAppSubDir(const wxString& subdirPattern);
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/**
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MSW-specific function to ignore all common build directories.
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This function calls IgnoreAppSubDir() with all common values for build
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directory, e.g. @c "debug" and @c "release".
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It is called by the class constructor and so the build directories are
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always ignored by default. You may use DontIgnoreAppSubDir() to avoid
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ignoring them if this is inappropriate for your application.
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@since 2.9.1
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*/
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void IgnoreAppBuildSubDirs();
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/**
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Returns location of Windows shell special folder.
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This function is, by definition, MSW-specific. It can be used to access
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pre-defined shell directories not covered by the existing methods of
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this class, e.g.:
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@code
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#ifdef __WXMSW__
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// get the location of files waiting to be burned on a CD
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wxString cdburnArea =
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wxStandardPaths::MSWGetShellDir(CSIDL_CDBURN_AREA);
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#endif // __WXMSW__
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@endcode
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@param csidl
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@since 2.9.1
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*/
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static wxString MSWGetShellDir(int csidl);
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/**
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Lets wxStandardPaths know about the real program installation prefix on a Unix
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system. By default, the value returned by GetInstallPrefix() is used.
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Although under Linux systems the program prefix may usually be determined
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automatically, portable programs should call this function. Usually the prefix
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is set during program configuration if using GNU autotools and so it is enough
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to pass its value defined in @c config.h to this function.
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@note This function is only available under Unix platforms (but not limited
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to wxGTK mentioned below).
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@onlyfor{wxos2,wxgtk}
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*/
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void SetInstallPrefix(const wxString& prefix);
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/**
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Controls what application information is used when constructing paths that
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should be unique to this program, such as the application data directory, the
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plugins directory on Unix, etc.
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Valid values for @a info are:
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- @c AppInfo_None: don't use neither application nor vendor name in
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the paths.
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- @c AppInfo_AppName: use the application name in the paths.
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- @c AppInfo_VendorName: use the vendor name in the paths, usually
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used combined with AppInfo_AppName, i.e. as @code AppInfo_AppName |
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AppInfo_VendorName @endcode
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By default, only the application name is used.
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@since 2.9.0
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*/
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void UseAppInfo(int info);
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protected:
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/**
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Protected default constructor.
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This constructor is protected in order to prevent creation of objects
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of this class as Get() should be used instead to access the unique
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global wxStandardPaths object of the correct type.
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*/
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wxStandardPaths();
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};
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