X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f4fcc2919776cffa5e3b2f0d44dd24c41e652ff4..0f66923e84282a652b61cf33eefd910159bb62f2:/docs/latex/wx/app.tex diff --git a/docs/latex/wx/app.tex b/docs/latex/wx/app.tex index 00aff20c0c..080164f33c 100644 --- a/docs/latex/wx/app.tex +++ b/docs/latex/wx/app.tex @@ -85,6 +85,17 @@ This can be used for programming event loops, e.g. \helpref{wxApp::Pending}{wxapppending} +\membersection{wxApp::FilterEvent}\label{wxappfilterevent} + +\func{int}{FilterEvent}{\param{wxEvent\& }{event}} + +This function is called before processing any event and allows the application +to preempt the processing of some events. If this method returns $-1$ the event +is processed normally, otherwise either {\tt TRUE} or {\tt FALSE} should be +returned and the event processing stops immediately considering that the event +had been already processed (for the former return value) or that it is not +going to be processed at all (for the latter one). + \membersection{wxApp::GetAppName}\label{wxappgetappname} \constfunc{wxString}{GetAppName}{\void} @@ -126,7 +137,8 @@ otherwise. \wxheading{See also} -\helpref{wxApp::SetExitOnFrameDelete}{wxappsetexitonframedelete} +\helpref{wxApp::SetExitOnFrameDelete}{wxappsetexitonframedelete},\\ +\helpref{wxApp shutdown overview}{wxappshutdownoverview} \membersection{wxApp::GetTopWindow}\label{wxappgettopwindow} @@ -227,7 +239,7 @@ Returns 0 under X, and the wParam of the WM\_QUIT message under Windows. \membersection{wxApp::OnAssert}\label{wxapponassert} -\func{void}{OnAssert}{\param{const wxChar }{*file}, \param{int }{line}, \param{const wxChar }{*msg}} +\func{void}{OnAssert}{\param{const wxChar }{*file}, \param{int }{line}, \param{const wxChar }{*cond}, \param{const wxChar }{*msg}} This function is called when an assert failure occurs, i.e. the condition specified in \helpref{wxASSERT}{wxassert} macro evaluated to {\tt FALSE}. @@ -243,6 +255,8 @@ the user to stop the program, continue or ignore all subsequent asserts. \docparam{line}{the line number in this file where the assert occured} +\docparam{cond}{the condition of the failed assert in string form} + \docparam{msg}{the message specified as argument to \helpref{wxASSERT\_MSG}{wxassertmsg} or \helpref{wxFAIL\_MSG}{wxfailmsg}, will be {\tt NULL} if just \helpref{wxASSERT}{wxassert} or \helpref{wxFAIL}{wxfail} @@ -252,8 +266,10 @@ was used} \func{int}{OnExit}{\void} -Provide this member function for any processing which needs to be done as -the application is about to exit. +Provide this member function for any processing which needs to be +done as the application is about to exit. OnExit is called after +destroying all application windows and controls, but before +wxWindows cleanup. \membersection{wxApp::OnCmdLineError}\label{wxapponcmdlineerror} @@ -334,7 +350,7 @@ work and, in fact, probably won't. %%application have all been processed, wxWindows sends an OnIdle event to the application object. wxApp::OnIdle itself %%sends an OnIdle event to each application window, allowing windows to do idle processing such as updating %%their appearance. If either wxApp::OnIdle or a window OnIdle function requested more time, by -%%caling \helpref{wxIdleEvent::RequestMore}{wxidleeventrequestmore}, wxWindows will send another OnIdle +%%calling \helpref{wxIdleEvent::RequestMore}{wxidleeventrequestmore}, wxWindows will send another OnIdle %%event to the application object. This will occur in a loop until either a user event is found to be %%pending, or OnIdle requests no more time. Then all pending user events are processed until the system %%goes idle again, when OnIdle is called, and so on. @@ -430,7 +446,7 @@ Under Windows, OnQueryEndSession is called in response to the WM\_QUERYENDSESSIO \membersection{wxApp::ProcessMessage}\label{wxappprocessmessage} -\func{bool}{ProcessMessage}{\param{MSG *}{msg}} +\func{bool}{ProcessMessage}{\param{WXMSG *}{msg}} Windows-only function for processing a message. This function is called from the main message loop, checking for windows that @@ -438,14 +454,14 @@ may wish to process it. The function returns TRUE if the message was processed, FALSE otherwise. If you use wxWindows with another class library with its own message loop, you should make sure that this function is called to allow wxWindows to receive messages. For example, -to allow co-existance with the Microsoft Foundation Classes, override +to allow co-existence with the Microsoft Foundation Classes, override the PreTranslateMessage function: \begin{verbatim} // Provide wxWindows message loop compatibility BOOL CTheApp::PreTranslateMessage(MSG *msg) { - if (wxTheApp && wxTheApp->ProcessMessage(msg)) + if (wxTheApp && wxTheApp->ProcessMessage((WXMSW *)msg)) return TRUE; else return CWinApp::PreTranslateMessage(msg); @@ -537,6 +553,11 @@ top-level frame is deleted. \docparam{flag}{If TRUE (the default), the application will exit when the top-level frame is deleted. If FALSE, the application will continue to run.} +\wxheading{See also} + +\helpref{wxApp::GetExitOnFrameDelete}{wxappgetexitonframedelete},\\ +\helpref{wxApp shutdown overview}{wxappshutdownoverview} + \membersection{wxApp::SetTopWindow}\label{wxappsettopwindow} \func{void}{SetTopWindow}{\param{wxWindow* }{window}} @@ -576,7 +597,7 @@ wxWindows. Allows the programmer to specify whether the application will use the best visual on systems that support several visual on the same display. This is typically the case under Solaris and IRIX, where the default visual is only 8-bit whereas certain -appications are supposed to run in TrueColour mode. +applications are supposed to run in TrueColour mode. Note that this function has to be called in the constructor of the {\tt wxApp} instance and won't have any effect when called later on.