X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a660d684eda27638bca0384b2058911a31c8e845..06e66bd0ca17d271f7b30e1476695f3f37ee2fb0:/docs/latex/wx/module.tex?ds=sidebyside diff --git a/docs/latex/wx/module.tex b/docs/latex/wx/module.tex index 3bd382e920..42e38fd4fd 100644 --- a/docs/latex/wx/module.tex +++ b/docs/latex/wx/module.tex @@ -1,19 +1,44 @@ \section{\class{wxModule}}\label{wxmodule} -The module system is a very simple mechanism to allow applications (and parts of wxWindows itself) to -define initialization and cleanup functions that are automatically called on wxWindows +The module system is a very simple mechanism to allow applications (and parts of wxWidgets itself) to +define initialization and cleanup functions that are automatically called on wxWidgets startup and exit. To define a new kind of module, derive a class from wxModule, override the OnInit and OnExit functions, and add the DECLARE\_DYNAMIC\_CLASS and IMPLEMENT\_DYNAMIC\_CLASS to header and implementation files -(which can be the same file). On initialization, wxWindows will find all classes derived from wxModule, -create an instance of each, and call each OnInit function. On exit, wxWindows will call the OnExit +(which can be the same file). On initialization, wxWidgets will find all classes derived from wxModule, +create an instance of each, and call each OnInit function. On exit, wxWidgets will call the OnExit function for each module instance. +Note that your module class does not have to be in a header file. + +For example: + +\begin{verbatim} + // A module to allow DDE initialization/cleanup + // without calling these functions from app.cpp or from + // the user's application. + + class wxDDEModule: public wxModule + { + DECLARE_DYNAMIC_CLASS(wxDDEModule) + public: + wxDDEModule() {} + bool OnInit() { wxDDEInitialize(); return true; }; + void OnExit() { wxDDECleanUp(); }; + }; + + IMPLEMENT_DYNAMIC_CLASS(wxDDEModule, wxModule) +\end{verbatim} + \wxheading{Derived from} \helpref{wxObject}{wxobject} +\wxheading{Include files} + + + \latexignore{\rtfignore{\wxheading{Members}}} \membersection{wxModule::wxModule}\label{wxmoduleconstr} @@ -32,33 +57,33 @@ Destructor. \func{static void}{CleanupModules}{\void} -Calls Exit for each module instance. Called by wxWindows on exit, so there is no +Calls Exit for each module instance. Called by wxWidgets on exit, so there is no need for an application to call it. \membersection{wxModule::Exit}\label{wxmoduleexit} \func{void}{Exit}{\void} -Calls OnExit. This function is called by wxWindows and should not need to be called +Calls OnExit. This function is called by wxWidgets and should not need to be called by an application. \membersection{wxModule::Init}\label{wxmoduleinit} \func{bool}{Init}{\void} -Calls OnInit. This function is called by wxWindows and should not need to be called +Calls OnInit. This function is called by wxWidgets and should not need to be called by an application. \membersection{wxModule::InitializeModules}\label{wxmoduleinitializemodules} \func{static bool}{InitializeModules}{\void} -Calls Init for each module instance. Called by wxWindows on startup, so there is no +Calls Init for each module instance. Called by wxWidgets on startup, so there is no need for an application to call it. \membersection{wxModule::OnExit}\label{wxmoduleonexit} -\func{virtual bool}{OnExit}{\void} +\func{virtual void}{OnExit}{\void} Provide this function with appropriate cleanup for your module. @@ -67,19 +92,19 @@ Provide this function with appropriate cleanup for your module. \func{virtual bool}{OnInit}{\void} Provide this function with appropriate initialization for your module. If the function -returns FALSE, wxWindows will exit immediately. +returns false, wxWidgets will exit immediately. \membersection{wxModule::RegisterModule}\label{wxmoduleregistermodule} \func{static void}{RegisterModule}{\param{wxModule*}{ module}} -Registers this module with wxWindows. Called by wxWindows on startup, so there is no +Registers this module with wxWidgets. Called by wxWidgets on startup, so there is no need for an application to call it. \membersection{wxModule::RegisterModules}\label{wxmoduleregistermodules} \func{static bool}{RegisterModules}{\void} -Creates instances of and registers all modules. Called by wxWindows on startup, so there is no +Creates instances of and registers all modules. Called by wxWidgets on startup, so there is no need for an application to call it.