X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ae3c17b4013e80b99976c750c19fca47729517f6..c29c95fe24973b94fd724db767193171ca7c513d:/interface/wx/utils.h diff --git a/interface/wx/utils.h b/interface/wx/utils.h index 41ca90a8b4..120ed37cc3 100644 --- a/interface/wx/utils.h +++ b/interface/wx/utils.h @@ -3,12 +3,11 @@ // Purpose: interface of various utility classes and functions // Author: wxWidgets team // RCS-ID: $Id$ -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// /** @class wxWindowDisabler - @wxheader{utils.h} This class disables all windows of the application (may be with the exception of one of them) in its constructor and enables them back in its @@ -38,6 +37,14 @@ public: /** Disables all top level windows of the applications with the exception of @a winToSkip if it is not @NULL. + + Notice that under MSW if @a winToSkip appears in the taskbar, the user + will be able to close the entire application (even though its main + window is disabled) by right clicking on the taskbar icon and selecting + the appropriate "Close" command from the context menu. To prevent this + from happening you may want to use wxFRAME_TOOL_WINDOW, if applicable, + or wxFRAME_NO_TASKBAR style when creating the window that will remain + enabled. */ wxWindowDisabler(wxWindow* winToSkip); @@ -51,7 +58,6 @@ public: /** @class wxBusyCursor - @wxheader{utils.h} This class makes it easy to tell your user that the program is temporarily busy. Just create a wxBusyCursor object on the stack, and within the @@ -80,7 +86,7 @@ public: /** Constructs a busy cursor object, calling wxBeginBusyCursor(). */ - wxBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR); + wxBusyCursor(const wxCursor* cursor = wxHOURGLASS_CURSOR); /** Destroys the busy cursor object, calling wxEndBusyCursor(). @@ -90,93 +96,12 @@ public: -/** - @class wxMouseState - @wxheader{utils.h} - - Represents the mouse state. - - The methods of this class generally mirror the corresponding methods of - wxMouseEvent. - - This class is implemented entirely in @, meaning no extra - library needs to be linked to use this class. - - @category{misc} - - @see wxGetMouseState() - */ -class wxMouseState -{ -public: - /** - Default constructor. - */ - wxMouseState(); - - /** - Returns X coordinate of the physical mouse event position. - */ - wxCoord GetX() const; - /** - Returns Y coordinate of the physical mouse event position. - */ - wxCoord GetY() const; - /** - Returns the physical mouse position. - */ - wxPoint GetPosition() const; - - /** - Returns @true if the left mouse button changed to down. - */ - bool LeftDown() const; - /** - Returns @true if the middle mouse button changed to down. - */ - bool MiddleDown() const; - /** - Returns @true if the right mouse button changed to down. - */ - bool RightDown() const; - /** - Returns @true if the first extra button mouse button changed to down. - */ - bool Aux1Down() const; - /** - Returns @true if the second extra button mouse button changed to down. - */ - bool Aux2Down() const; - - /** - Returns @true if the control key is down. - */ - bool ControlDown() const; - /** - Returns @true if the shift key is down. - */ - bool ShiftDown() const; - /** - Returns @true if the alt key is down. - */ - bool AltDown() const; - /** - Returns @true if the meta key is down. - */ - bool MetaDown() const; - /** - Same as MetaDown() under Mac systems, ControlDown() for the others. - */ - bool CmdDown() const; -}; - - // ============================================================================ // Global functions/macros // ============================================================================ -/** @ingroup group_funcmacro_dialog */ +/** @addtogroup group_funcmacro_dialog */ //@{ /** @@ -189,7 +114,7 @@ public: @header{wx/utils.h} */ -void wxBeginBusyCursor(wxCursor* cursor = wxHOURGLASS_CURSOR); +void wxBeginBusyCursor(const wxCursor* cursor = wxHOURGLASS_CURSOR); /** Changes the cursor back to the original cursor, for all windows in the @@ -228,18 +153,45 @@ void wxBell(); doesn't otherwise handle this event. @since 2.9.0 + @see wxGetLibraryVersionInfo() + @header{wx/utils.h} +*/ +void wxInfoMessageBox(wxWindow* parent); + +//@} + +/** @addtogroup group_funcmacro_version */ +//@{ + +/** + Get wxWidgets version information. + @since 2.9.2 + @see wxVersionInfo @header{wx/utils.h} + @library{wxcore} */ -void wxInfoMessageBox(wxWindow parent = NULL); +wxVersionInfo wxGetLibraryVersionInfo(); //@} -/** @ingroup group_funcmacro_env */ +/** @addtogroup group_funcmacro_env */ //@{ +/** + A map type containing environment variables names and values. + + This type is used with wxGetEnvMap() function and wxExecuteEnv structure + optionally passed to wxExecute(). + + @since 2.9.2 + + @header{wx/utils.h} +*/ +typedef wxStringToStringHashMap wxEnvVariableHashMap; + /** This is a macro defined as @c getenv() or its wide char version in Unicode mode. @@ -252,8 +204,9 @@ void wxInfoMessageBox(wxWindow parent = NULL); wxChar* wxGetenv(const wxString& var); /** - Returns the current value of the environment variable @c var in @c value. - @c value may be @NULL if you just want to know if the variable exists and + Returns the current value of the environment variable @a var in @a value. + + @a value may be @NULL if you just want to know if the variable exists and are not interested in its value. Returns @true if the variable exists, @false otherwise. @@ -263,10 +216,25 @@ wxChar* wxGetenv(const wxString& var); bool wxGetEnv(const wxString& var, wxString* value); /** - Sets the value of the environment variable @c var (adding it if necessary) - to @c value. - - Returns @true on success. + Sets the value of the environment variable @a var (adding it if necessary) + to @a value. + + Notice that under Windows platforms the program may have two different + environment blocks: the first one is that of a Windows process and is + always present, but the CRT may maintain its own independent copy of the + environment. wxSetEnv() will always update the first copy, which means that + wxGetEnv(), which uses it directly, will always return the expected value + after this call. But wxSetEnv() only updates the second copy for some + compilers/CRT implementations (currently only MSVC and MinGW which uses the + same MSVC CRT) and so using wxGetenv() (notice the difference in case) may + not return the updated value. + + @param var + The environment variable to be set, must not contain @c '=' character. + @param value + New value of the variable. + @return + @true on success or @false if changing the value failed. @see wxUnsetEnv() @@ -275,8 +243,9 @@ bool wxGetEnv(const wxString& var, wxString* value); bool wxSetEnv(const wxString& var, const wxString& value); /** - Removes the variable @c var from the environment. wxGetEnv() will return - @NULL after the call to this function. + Removes the variable @a var from the environment. + + wxGetEnv() will return @NULL after the call to this function. Returns @true on success. @@ -284,11 +253,27 @@ bool wxSetEnv(const wxString& var, const wxString& value); */ bool wxUnsetEnv(const wxString& var); +/** + Fill a map with the complete content of current environment. + + The map will contain the environment variable names as keys and their + values as values. + + @param map + The environment map to fill, must be non-@NULL. + @return + @true if environment was successfully retrieved or @false otherwise. + + @header{wx/utils.h} + + @since 2.9.2 +*/ +bool wxGetEnvMap(wxEnvVariableHashMap *map); //@} -/** @ingroup group_funcmacro_misc */ +/** @addtogroup group_funcmacro_misc */ //@{ /** @@ -425,12 +410,39 @@ long wxNewId(); void wxRegisterId(long id); /** - Opens the @a url in user's default browser. If the @a flags parameter - contains @c wxBROWSER_NEW_WINDOW flag, a new window is opened for the URL - (currently this is only supported under Windows). The @a url may also be a - local file path (with or without the "file://" prefix), if it doesn't - correspond to an existing file and the URL has no scheme "http://" is - prepended to it by default. + Opens the @a document in the application associated with the files of this + type. + + The @a flags parameter is currently not used + + Returns @true if the application was successfully launched. + + @see wxLaunchDefaultBrowser(), wxExecute() + + @header{wx/utils.h} +*/ +bool wxLaunchDefaultApplication(const wxString& document, int flags = 0); + +/** + Opens the @a url in user's default browser. + + If the @a flags parameter contains @c wxBROWSER_NEW_WINDOW flag, a new + window is opened for the URL (currently this is only supported under + Windows). + + And unless the @a flags parameter contains @c wxBROWSER_NOBUSYCURSOR flag, + a busy cursor is shown while the browser is being launched (using + wxBusyCursor). + + The parameter @a url is interpreted as follows: + - if it has a valid scheme (e.g. @c "file:", @c "http:" or @c "mailto:") + it is passed to the appropriate browser configured in the user system. + - if it has no valid scheme (e.g. it's a local file path without the @c "file:" + prefix), then ::wxFileExists and ::wxDirExists are used to test if it's a + local file/directory; if it is, then the browser is called with the + @a url parameter eventually prefixed by @c "file:". + - if it has no valid scheme and it's not a local file/directory, then @c "http:" + is prepended and the browser is called. Returns @true if the application was successfully launched. @@ -439,6 +451,8 @@ void wxRegisterId(long id); may be used for local URLs while another one may be used for remote URLs). + @see wxLaunchDefaultApplication(), wxExecute() + @header{wx/utils.h} */ bool wxLaunchDefaultBrowser(const wxString& url, int flags = 0); @@ -476,6 +490,27 @@ wxString wxLoadUserResource(const wxString& resourceName, */ void wxPostDelete(wxObject* object); + +/** + Compare function type for use with wxQsort() + + @header{wx/utils.h} +*/ +extern "C" +{ +typedef int (wxCMPFUNC_CONV *CMPFUNCDATA)(const void* pItem1, const void* pItem2, const void* user_data); +} + +/** + Function for performing a qsort operation including a user data + parameter. + + @header{wx/utils.h} +*/ +void wxQsort(void *const pbase, size_t total_elems, + size_t size, CMPFUNCDATA cmp, const void* user_data); + + /** Under X only, sets the current display name. This is the X host and display name such as "colonsay:0.0", and the function indicates which display @@ -494,7 +529,7 @@ void wxSetDisplayName(const wxString& displayName); By default, the functions strips both the mnemonics character (@c '&') which is used to indicate a keyboard shortkey, and the accelerators, which are used only in the menu items and are separated from the main text by the - @c \t (TAB) character. By using @a flags of @c wxStrip_Mnemonics or + @c \\t (TAB) character. By using @a flags of @c wxStrip_Mnemonics or @c wxStrip_Accel to strip only the former or the latter part, respectively. Notice that in most cases wxMenuItem::GetLabelFromText() or @@ -508,7 +543,7 @@ wxString wxStripMenuCodes(const wxString& str, int flags = wxStrip_All); -/** @ingroup group_funcmacro_networkuseros */ +/** @addtogroup group_funcmacro_networkuseros */ //@{ /** @@ -598,7 +633,7 @@ wxString wxGetFullHostName(); @header{wx/utils.h} */ -wxString wxGetUserHome(const wxString& user = ""); +wxString wxGetUserHome(const wxString& user = wxEmptyString); /** This function returns the "user id" also known as "login name" under Unix @@ -666,8 +701,34 @@ bool wxGetUserName(char* buf, int sz); wxString wxGetOsDescription(); /** - Gets the version and the operating system ID for currently running OS. See - wxPlatformInfo for more details about wxOperatingSystemId. + Gets the version and the operating system ID for currently running OS. + The returned wxOperatingSystemId value can be used for a basic categorization + of the OS family; the major and minor version numbers allows to detect a specific + system. + + For Unix-like systems (@c wxOS_UNIX) the major and minor version integers will + contain the kernel major and minor version numbers (as returned by the + 'uname -r' command); e.g. "2" and "6" if the machine is using kernel 2.6.19. + + For Mac OS X systems (@c wxOS_MAC) the major and minor version integers are the + natural version numbers associated with the OS; e.g. "10" and "6" if the machine + is using Mac OS X Snow Leopard. + + For Windows-like systems (@c wxOS_WINDOWS) the major and minor version integers will + contain the following values: + @beginTable + @row3col{Windows OS name, Major version, Minor version} + @row3col{Windows 7, 6, 1} + @row3col{Windows Server 2008 R2, 6, 1} + @row3col{Windows Server 2008, 6, 0} + @row3col{Windows Vista, 6, 0} + @row3col{Windows Server 2003 R2, 5, 2} + @row3col{Windows Server 2003, 5, 2} + @row3col{Windows XP, 5, 1} + @row3col{Windows 2000, 5, 0} + @endDefList + See the MSDN + for more info about the values above. @see wxGetOsDescription(), wxPlatformInfo @@ -701,13 +762,60 @@ bool wxIsPlatform64Bit(); */ bool wxIsPlatformLittleEndian(); +/** + Returns a structure containing informations about the currently running + Linux distribution. + + This function uses the @c lsb_release utility which is part of the + Linux Standard Base Core specification + (see http://refspecs.linux-foundation.org/lsb.shtml) since the very first LSB + release 1.0 (released in 2001). + The @c lsb_release utility is very common on modern Linux distributions but in + case it's not available, then this function will return a ::wxLinuxDistributionInfo + structure containing empty strings. + + This function is Linux-specific and is only available when the @c __LINUX__ + symbol is defined. +*/ +wxLinuxDistributionInfo wxGetLinuxDistributionInfo(); + //@} -/** @ingroup group_funcmacro_procctrl */ +/** @addtogroup group_funcmacro_procctrl */ //@{ +/** + @struct wxExecuteEnv + + This structure can optionally be passed to wxExecute() to specify + additional options to use for the child process. + + @since 2.9.2 + + @header{wx/utils.h} +*/ +struct wxExecuteEnv +{ + /** + The initial working directory for the new process. + + If this field is empty, the current working directory of this process + is used. + */ + wxString cwd; + + /** + The environment variable map. + + If the map is empty, the environment variables of the current process + are also used for the child one, otherwise only the variables defined + in this map are used. + */ + wxEnvVariableHashMap env; +}; + /** Executes another program in Unix or Windows. @@ -773,23 +881,26 @@ bool wxIsPlatformLittleEndian(); their combination, in wxEXEC_SYNC case. @param callback An optional pointer to wxProcess. + @param env + An optional pointer to additional parameters for the child process, + such as its initial working directory and environment variables. This + parameter is available in wxWidgets 2.9.2 and later only. - @see wxShell(), wxProcess, @ref page_samples_exec + @see wxShell(), wxProcess, @ref page_samples_exec, + wxLaunchDefaultApplication(), wxLaunchDefaultBrowser() @header{wx/utils.h} @beginWxPerlOnly - This function is called @c Wx::ExecuteStdoutStderr and it only takes the - @a command argument, and returns a 3-element list (@c status, @c output, - @c errors), where @c output and @c errors are array references. + In wxPerl this function is called @c Wx::ExecuteCommand. @endWxPerlOnly */ long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC, - wxProcess* callback = NULL); - + wxProcess* callback = NULL, + const wxExecuteEnv* env = NULL); //@} -/** @ingroup group_funcmacro_procctrl */ +/** @addtogroup group_funcmacro_procctrl */ //@{ /** This is an overloaded version of wxExecute(const wxString&,int,wxProcess*), @@ -809,16 +920,29 @@ long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC, their combination, in wxEXEC_SYNC case. @param callback An optional pointer to wxProcess. + @param env + An optional pointer to additional parameters for the child process, + such as its initial working directory and environment variables. This + parameter is available in wxWidgets 2.9.2 and later only. + + @see wxShell(), wxProcess, @ref page_samples_exec, + wxLaunchDefaultApplication(), wxLaunchDefaultBrowser() @header{wx/utils.h} + + @beginWxPerlOnly + In wxPerl this function is called @c Wx::ExecuteArgs. + @endWxPerlOnly */ long wxExecute(char** argv, int flags = wxEXEC_ASYNC, - wxProcess* callback = NULL); + wxProcess* callback = NULL, + const wxExecuteEnv *env = NULL); long wxExecute(wchar_t** argv, int flags = wxEXEC_ASYNC, - wxProcess* callback = NULL); + wxProcess* callback = NULL, + const wxExecuteEnv *env = NULL); //@} -/** @ingroup group_funcmacro_procctrl */ +/** @addtogroup group_funcmacro_procctrl */ //@{ /** @@ -832,37 +956,69 @@ long wxExecute(wchar_t** argv, int flags = wxEXEC_ASYNC, @param command The command to execute and any parameters to pass to it as a single string. + @param output + The string array where the stdout of the executed process is saved. @param flags - Must include either wxEXEC_ASYNC or wxEXEC_SYNC and can also include - wxEXEC_NOHIDE, wxEXEC_MAKE_GROUP_LEADER (in either case) or + May include wxEXEC_NOHIDE, wxEXEC_MAKE_GROUP_LEADER (in either case) or wxEXEC_NODISABLE and wxEXEC_NOEVENTS or wxEXEC_BLOCK, which is equal to - their combination, in wxEXEC_SYNC case. + their combination. wxEXEC_SYNC is always implicitly added to the flags. + @param env + An optional pointer to additional parameters for the child process, + such as its initial working directory and environment variables. This + parameter is available in wxWidgets 2.9.2 and later only. + + @see wxShell(), wxProcess, @ref page_samples_exec, + wxLaunchDefaultApplication(), wxLaunchDefaultBrowser() @header{wx/utils.h} + + @beginWxPerlOnly + This function is called @c Wx::ExecuteStdout: it only takes the + @a command argument, and returns a 2-element list (@c status, @c output), + where @c output in an array reference. + @endWxPerlOnly */ -long wxExecute(const wxString& command, wxArrayString& output, - int flags = 0); +long wxExecute(const wxString& command, wxArrayString& output, int flags = 0, + const wxExecuteEnv *env = NULL); /** This is an overloaded version of wxExecute(const wxString&,int,wxProcess*), please see its documentation for general information. This version adds the possibility to additionally capture the messages from - standard error output in the @a errors array. + standard error output in the @a errors array. As with the above overload + capturing standard output only, execution is always synchronous. @param command The command to execute and any parameters to pass to it as a single string. + @param output + The string array where the stdout of the executed process is saved. + @param errors + The string array where the stderr of the executed process is saved. @param flags - Must include either wxEXEC_ASYNC or wxEXEC_SYNC and can also include - wxEXEC_NOHIDE, wxEXEC_MAKE_GROUP_LEADER (in either case) or + May include wxEXEC_NOHIDE, wxEXEC_MAKE_GROUP_LEADER (in either case) or wxEXEC_NODISABLE and wxEXEC_NOEVENTS or wxEXEC_BLOCK, which is equal to - their combination, in wxEXEC_SYNC case. + their combination. wxEXEC_SYNC is always implicitly added to the flags. + @param env + An optional pointer to additional parameters for the child process, + such as its initial working directory and environment variables. This + parameter is available in wxWidgets 2.9.2 and later only. + + @see wxShell(), wxProcess, @ref page_samples_exec, + wxLaunchDefaultApplication(), wxLaunchDefaultBrowser() @header{wx/utils.h} + + @beginWxPerlOnly + This function is called @c Wx::ExecuteStdoutStderr: it only takes the + @a command argument, and returns a 3-element list (@c status, @c output, + @c errors), where @c output and @c errors are array references. + @endWxPerlOnly */ long wxExecute(const wxString& command, wxArrayString& output, - wxArrayString& errors, int flags = 0); + wxArrayString& errors, int flags = 0, + const wxExecuteEnv *env = NULL); /** Returns the number uniquely identifying the current process in the system. @@ -874,7 +1030,9 @@ unsigned long wxGetProcessId(); /** Equivalent to the Unix kill function: send the given signal @a sig to the - process with PID @a pid. The valid signal values are: + process with PID @a pid. + + The valid signal values are: @code enum wxSignal @@ -903,7 +1061,7 @@ unsigned long wxGetProcessId(); @c wxSIGTERM under Windows. Returns 0 on success, -1 on failure. If the @a rc parameter is not @NULL, - it will be filled with a value of the the @c wxKillError enum: + it will be filled with a value from the @c wxKillError enum: @code enum wxKillError @@ -926,8 +1084,8 @@ unsigned long wxGetProcessId(); @header{wx/utils.h} */ -int wxKill(long pid, int sig = wxSIGTERM, - wxKillError rc = NULL, int flags = 0); +int wxKill(long pid, wxSignal sig = wxSIGTERM, + wxKillError* rc = NULL, int flags = wxKILL_NOCHILDREN); /** Executes a command in an interactive shell window. If no command is @@ -937,30 +1095,34 @@ int wxKill(long pid, int sig = wxSIGTERM, @header{wx/utils.h} */ -bool wxShell(const wxString& command = NULL); +bool wxShell(const wxString& command = wxEmptyString); /** This function shuts down or reboots the computer depending on the value of the @a flags. - @note Doing this requires the corresponding access rights (superuser under - Unix, SE_SHUTDOWN privilege under Windows NT) and that this function - is only implemented under Unix and Win32. + @note Note that performing the shutdown requires the corresponding access + rights (superuser under Unix, SE_SHUTDOWN privilege under Windows NT) + and that this function is only implemented under Unix and MSW. @param flags - Either wxSHUTDOWN_POWEROFF or wxSHUTDOWN_REBOOT + One of @c wxSHUTDOWN_POWEROFF, @c wxSHUTDOWN_REBOOT or + @c wxSHUTDOWN_LOGOFF (currently implemented only for MSW) possibly + combined with @c wxSHUTDOWN_FORCE which forces shutdown under MSW by + forcefully terminating all the applications. As doing this can result + in a data loss, this flag shouldn't be used unless really necessary. @return @true on success, @false if an error occurred. @header{wx/utils.h} */ -bool wxShutdown(wxShutdownFlags flags); +bool wxShutdown(int flags = wxSHUTDOWN_POWEROFF); //@} -/** @ingroup group_funcmacro_time */ +/** @addtogroup group_funcmacro_time */ //@{ /**