X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b72979e918a07a9c4860bac4aea5c216cabbf21e..fc17828ab2cb3dc5dd22d5634ce4f6764e1373fc:/docs/latex/wx/tevent.tex diff --git a/docs/latex/wx/tevent.tex b/docs/latex/wx/tevent.tex index b86612c155..e747b06714 100644 --- a/docs/latex/wx/tevent.tex +++ b/docs/latex/wx/tevent.tex @@ -268,7 +268,8 @@ defining the appropriate event table, and then call \rtfsp\helpref{wxWindow::SetEventHandler}{wxwindowseteventhandler} (or, preferably, \rtfsp\helpref{wxWindow::PushEventHandler}{wxwindowpusheventhandler}) to make this event handler the object that responds to events. This way, you can avoid -a lot of class derivation, and use the same event handler object to +a lot of class derivation, and use the same event handler class (but different +objects as the same event handler object shouldn't be used more than once) to handle events from instances of different classes. If you ever have to call a window's event handler manually, use the GetEventHandler function to retrieve the window's event handler and use that to call the member function. By default, GetEventHandler returns a pointer to the window itself @@ -440,16 +441,21 @@ and this is done using the following macros: \begin{verbatim} // in the header of the source file +BEGIN_DECLARE_EVENT_TYPES() DECLARE_EVENT_TYPE(name, value) +END_DECLARE_EVENT_TYPES() // in the implementation DEFINE_EVENT_TYPE(name) \end{verbatim} You can ignore the {\it value} parameter of the DECLARE\_EVENT\_TYPE macro -since it used only for backwards compatibility with wxWidgets 2.0.x based +since it is used only for backwards compatibility with wxWidgets 2.0.x based applications where you have to give the event type ID an explicit value. +See also the \helpref{event sample}{sampleevent} for an example of code +defining and working with the custom event types. + \wxheading{Using existing event classes} If you just want to use a \helpref{wxCommandEvent}{wxcommandevent} with @@ -508,9 +514,9 @@ but responds to a range of window identifiers.} expects a member function with a wxCommandEvent argument.} \twocolitem{\windowstyle{EVT\_COMMAND\_RANGE(id1, id2, event, func)}}{The same as EVT\_CUSTOM\_RANGE, but expects a member function with a wxCommandEvent argument.} -\twocolitem{\windowstyle{EVT\_NOTIFY(id, event, func)}}{The same as EVT\_CUSTOM, but +\twocolitem{\windowstyle{EVT\_NOTIFY(event, id, func)}}{The same as EVT\_CUSTOM, but expects a member function with a wxNotifyEvent argument.} -\twocolitem{\windowstyle{EVT\_NOTIFY\_RANGE(id1, id2, event, func)}}{The same as EVT\_CUSTOM\_RANGE, but +\twocolitem{\windowstyle{EVT\_NOTIFY\_RANGE(event, id1, id2, func)}}{The same as EVT\_CUSTOM\_RANGE, but expects a member function with a wxNotifyEvent argument.} \end{twocollist}