X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ccec90930cfc38bd4347a97f46481242d9fd23cd..b09857ae000a60704207d63290be937584805fb0:/interface/wx/utils.h diff --git a/interface/wx/utils.h b/interface/wx/utils.h index de5aae9748..34a9e15347 100644 --- a/interface/wx/utils.h +++ b/interface/wx/utils.h @@ -6,6 +6,56 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +/** + Signal constants used by wxProcess. +*/ +enum wxSignal +{ + wxSIGNONE = 0, //!< verify if the process exists under Unix + wxSIGHUP, + wxSIGINT, + wxSIGQUIT, + wxSIGILL, + wxSIGTRAP, + wxSIGABRT, + wxSIGEMT, + wxSIGFPE, + wxSIGKILL, //!< forcefully kill, dangerous! + wxSIGBUS, + wxSIGSEGV, + wxSIGSYS, + wxSIGPIPE, + wxSIGALRM, + wxSIGTERM //!< terminate the process gently +}; + +/** + Return values for wxProcess::Kill. +*/ +enum wxKillError +{ + wxKILL_OK, //!< no error + wxKILL_BAD_SIGNAL, //!< no such signal + wxKILL_ACCESS_DENIED, //!< permission denied + wxKILL_NO_PROCESS, //!< no such process + wxKILL_ERROR //!< another, unspecified error +}; + +enum wxKillFlags +{ + wxKILL_NOCHILDREN = 0, //!< don't kill children + wxKILL_CHILDREN = 1 //!< kill children +}; + +enum wxShutdownFlags +{ + wxSHUTDOWN_FORCE = 1, //!< can be combined with other flags (MSW-only) + wxSHUTDOWN_POWEROFF = 2, //!< power off the computer + wxSHUTDOWN_REBOOT = 4, //!< shutdown and reboot + wxSHUTDOWN_LOGOFF = 8 //!< close session (currently MSW-only) +}; + + /** @class wxWindowDisabler @@ -37,6 +87,14 @@ 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); @@ -106,7 +164,7 @@ 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 @@ -134,6 +192,8 @@ bool wxIsBusy(); @note This function is categorized as a GUI one and so is not thread-safe. @header{wx/utils.h} + + @library{wxcore} */ void wxBell(); @@ -145,17 +205,28 @@ 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} */ wxVersionInfo wxGetLibraryVersionInfo(); @@ -335,6 +406,9 @@ void wxEnableTopLevelWindows(bool enable = true); Find the deepest window at the given mouse position in screen coordinates, returning the window if found, or @NULL if not. + This function takes child windows at the given position into account even + if they are disabled. The hidden children are however skipped by it. + @header{wx/utils.h} */ wxWindow* wxFindWindowAtPoint(const wxPoint& pt); @@ -444,24 +518,92 @@ bool wxLaunchDefaultApplication(const wxString& document, int flags = 0); bool wxLaunchDefaultBrowser(const wxString& url, int flags = 0); /** - Loads a user-defined Windows resource as a string. If the resource is - found, the function creates a new character array and copies the data into - it. A pointer to this data is returned. If unsuccessful, @NULL is returned. + Loads an object from Windows resource file. - The resource must be defined in the @c .rc file using the following syntax: + This function loads the resource with the given name and type from the + resources embedded into a Windows application. + The typical use for it is to load some data from the data files embedded + into the program itself. For example, you could have the following fragment + in your @c .rc file @code - myResource TEXT file.ext + mydata MYDATA "myfile.dat" @endcode + and then use it in the following way: + @code + const void* data = NULL; + size_t size = 0; + if ( !wxLoadUserResource(&data, &size, "mydata", "MYDATA") ) { + ... handle error ... + } + else { + // Use the data in any way, for example: + wxMemoryInputStream is(data, size); + ... read the data from stream ... + } + @endcode + + @param outData Filled with the pointer to the data on successful return. + Notice that this pointer does @em not need to be freed by the caller. + @param outLen Filled with the length of the data in bytes. + @param resourceName The name of the resource to load. + @param resourceType The type of the resource in usual Windows format, i.e. + either a real string like "MYDATA" or an integer created by the + standard Windows @c MAKEINTRESOURCE() macro, including any constants + for the standard resources types like @c RT_RCDATA. + @param module The @c HINSTANCE of the module to load the resources from. + The current module is used by default. + @return true if the data was loaded from resource or false if it couldn't + be found (in which case no error is logged) or was found but couldn't + be loaded (which is unexpected and does result in an error message). + + This function is available under Windows only. - Where @c file.ext is a file that the resource compiler can find. + @library{wxbase} + + @header{wx/utils.h} + + @since 2.9.1 + */ +bool +wxLoadUserResource(const void **outData, + size_t *outLen, + const wxString& resourceName, + const wxChar* resourceType = "TEXT", + WXHINSTANCE module = 0); + +/** + Loads a user-defined Windows resource as a string. + + This is a wrapper for the general purpose overload wxLoadUserResource(const + void**, size_t*, const wxString&, const wxChar*, WXHINSTANCE) and can be + more convenient for the string data, but does an extra copy compared to the + general version. + + @param resourceName The name of the resource to load. + @param resourceType The type of the resource in usual Windows format, i.e. + either a real string like "MYDATA" or an integer created by the + standard Windows @c MAKEINTRESOURCE() macro, including any constants + for the standard resources types like @c RT_RCDATA. + @param pLen Filled with the length of the returned buffer if it is + non-@NULL. This parameter should be used if NUL characters can occur in + the resource data. It is new since wxWidgets 2.9.1 + @param module The @c HINSTANCE of the module to load the resources from. + The current module is used by default. This parameter is new since + wxWidgets 2.9.1. + @return A pointer to the data to be delete[]d by caller on success + or @NULL on error. This function is available under Windows only. + @library{wxbase} + @header{wx/utils.h} */ -wxString wxLoadUserResource(const wxString& resourceName, - const wxString& resourceType = "TEXT"); +char* wxLoadUserResource(const wxString& resourceName, + const wxChar* resourceType = "TEXT", + int* pLen = NULL, + WXHINSTANCE module = 0); /** @deprecated Replaced by wxWindow::Close(). See the @@ -482,19 +624,19 @@ void wxPostDelete(wxObject* object); @header{wx/utils.h} */ -extern "C" -{ -typedef int (wxCMPFUNC_CONV *CMPFUNCDATA)(const void* pItem1, const void* pItem2, const void* user_data); -} +typedef int (*wxSortCallback)(const void* pItem1, const void* pItem2, const void* user_data); /** - Function for performing a qsort operation including a user data - parameter. + Function implementing quick sort algorithm. + + This function sorts @a total_elems objects of size @a size located at @a + pbase. It uses @a cmp function for comparing them and passes @a user_data + pointer to the comparison function each time it's called. @header{wx/utils.h} */ -void wxQsort(void *const pbase, size_t total_elems, - size_t size, CMPFUNCDATA cmp, const void* user_data); +void wxQsort(void* pbase, size_t total_elems, + size_t size, wxSortCallback cmp, const void* user_data); /** @@ -509,6 +651,22 @@ void wxQsort(void *const pbase, size_t total_elems, */ void wxSetDisplayName(const wxString& displayName); + +/** + flags for wxStripMenuCodes +*/ +enum +{ + // strip '&' characters + wxStrip_Mnemonics = 1, + + // strip everything after '\t' + wxStrip_Accel = 2, + + // strip everything (this is the default) + wxStrip_All = wxStrip_Mnemonics | wxStrip_Accel +}; + /** Strips any menu codes from @a str and returns the result. @@ -697,7 +855,7 @@ wxString wxGetOsDescription(); '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 and "6" if the machine + 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 @@ -802,6 +960,85 @@ struct wxExecuteEnv wxEnvVariableHashMap env; }; +/** + Bit flags that can be used with wxExecute(). + */ +enum +{ + /** + Execute the process asynchronously. + + Notice that, due to its value, this is the default. + */ + wxEXEC_ASYNC = 0, + + /** + Execute the process synchronously. + */ + wxEXEC_SYNC = 1, + + /** + Always show the child process console under MSW. + + The child console is hidden by default if the child IO is redirected, + this flag allows to change this and show it nevertheless. + + This flag is ignored under the other platforms. + */ + wxEXEC_SHOW_CONSOLE = 2, + + /** + Make the new process a group leader. + + Under Unix, if the process is the group leader then passing + wxKILL_CHILDREN to wxKill() kills all children as well as pid. + + Under MSW, applies only to console applications and is only supported + under NT family (i.e. not under Windows 9x). It corresponds to the + native @c CREATE_NEW_PROCESS_GROUP and, in particular, ensures that + Ctrl-Break signals will be sent to all children of this process as well + to the process itself. Support for this flag under MSW was added in + version 2.9.4 of wxWidgets. + */ + wxEXEC_MAKE_GROUP_LEADER = 4, + + /** + Don't disable the program UI while running the child synchronously. + + By default synchronous execution disables all program windows to avoid + that the user interacts with the program while the child process is + running, you can use this flag to prevent this from happening. + + This flag can only be used with ::wxEXEC_SYNC. + */ + wxEXEC_NODISABLE = 8, + + /** + Don't dispatch events while the child process is executed. + + By default, the event loop is run while waiting for synchronous + execution to complete and this flag can be used to simply block the + main process until the child process finishes + + This flag can only be used with ::wxEXEC_SYNC. + */ + wxEXEC_NOEVENTS = 16, + + /** + Hide child process console under MSW. + + Under MSW, hide the console of the child process if it has one, + even if its IO is not redirected. + + This flag is ignored under the other platforms. + */ + wxEXEC_HIDE_CONSOLE = 32, + + /** + Convenient synonym for flags given system()-like behaviour. + */ + wxEXEC_BLOCK = wxEXEC_SYNC | wxEXEC_NOEVENTS +}; /** Executes another program in Unix or Windows. @@ -833,18 +1070,22 @@ struct wxExecuteEnv wxProcess::OnTerminate() will be called when the process finishes. Specifying this parameter also allows you to redirect the standard input and/or output of the process being launched by calling - wxProcess::Redirect(). If the child process IO is redirected, under Windows - the process window is not shown by default (this avoids having to flush an - unnecessary console for the processes which don't create any windows - anyhow) but a @c wxEXEC_NOHIDE flag can be used to prevent this from - happening, i.e. with this flag the child process window will be shown - normally. + wxProcess::Redirect(). + + Under Windows, when launching a console process its console is shown by + default but hidden if its IO is redirected. Both of these default + behaviours may be overridden: if ::wxEXEC_HIDE_CONSOLE is specified, the + console will never be shown. If ::wxEXEC_SHOW_CONSOLE is used, the console + will be shown even if the child process IO is redirected. Neither of these + flags affect non-console Windows applications or does anything under the + other systems. Under Unix the flag @c wxEXEC_MAKE_GROUP_LEADER may be used to ensure that the new process is a group leader (this will create a new session if needed). Calling wxKill() passing wxKILL_CHILDREN will kill this process as well as all of its children (except those which have started their own - session). + session). Under MSW, this flag can be used with console processes only and + corresponds to the native @c CREATE_NEW_PROCESS_GROUP flag. The @c wxEXEC_NOEVENTS flag prevents processing of any events from taking place while the child process is running. It should be only used for very @@ -862,9 +1103,9 @@ struct wxExecuteEnv string, i.e. "emacs file.txt". @param flags Must include either wxEXEC_ASYNC or wxEXEC_SYNC and can also 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. + wxEXEC_SHOW_CONSOLE, wxEXEC_HIDE_CONSOLE, 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. @param callback An optional pointer to wxProcess. @param env @@ -900,10 +1141,7 @@ long wxExecute(const wxString& command, int flags = wxEXEC_ASYNC, additional ones are the command parameters and the array must be terminated with a @NULL pointer. @param flags - Must include either wxEXEC_ASYNC or wxEXEC_SYNC and can also 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. + Same as for wxExecute(const wxString&,int,wxProcess*) overload. @param callback An optional pointer to wxProcess. @param env @@ -945,9 +1183,7 @@ long wxExecute(wchar_t** argv, int flags = wxEXEC_ASYNC, @param output The string array where the stdout of the executed process is saved. @param flags - 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. wxEXEC_SYNC is always implicitly added to the flags. + Combination of flags to which ::wxEXEC_SYNC is always implicitly added. @param env An optional pointer to additional parameters for the child process, such as its initial working directory and environment variables. This @@ -983,9 +1219,7 @@ long wxExecute(const wxString& command, wxArrayString& output, int flags = 0, @param errors The string array where the stderr of the executed process is saved. @param flags - 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. wxEXEC_SYNC is always implicitly added to the flags. + Combination of flags to which ::wxEXEC_SYNC is always implicitly added. @param env An optional pointer to additional parameters for the child process, such as its initial working directory and environment variables. This @@ -1070,8 +1304,8 @@ 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 @@ -1081,7 +1315,7 @@ 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