+Note that independently of this setting you can always use wxTextCtrl itself
+in a stream-like manner:
+
+{\small%
+\begin{verbatim}
+ wxTextCtrl *control = new wxTextCtrl(...);
+
+ *control << 123.456 << " some text\n";
+\end{verbatim}
+}%
+
+always works. However the possibility to create an ostream associated with
+wxTextCtrl may be useful if you need to redirect the output of a function
+taking an ostream as parameter to a text control.
+
+Another commonly requested need is to redirect {\bf std::cout} to the text
+control. This could be done in the following way:
+
+{\small%
+\begin{verbatim}
+ #include <iostream>
+
+ wxTextCtrl *control = new wxTextCtrl(...);
+
+ std::streambuf *sbOld = std::cout.rdbuf();
+ std::cout.rdbuf(*control);
+
+ // use cout as usual, the output appears in the text control
+ ...
+
+ std::cout.rdbuf(sbOld);
+\end{verbatim}
+}%
+
+But wxWidgets provides a convenient class to make it even simpler so instead
+you may just do
+
+{\small%
+\begin{verbatim}
+ #include <iostream>
+
+ wxTextCtrl *control = new wxTextCtrl(...);
+
+ wxStreamToTextRedirector redirect(control);
+
+ // all output to cout goes into the text control until the exit from current
+ // scope
+\end{verbatim}
+}%
+
+See \helpref{wxStreamToTextRedirector}{wxstreamtotextredirector} for more
+details.
+
+\wxheading{Constants}
+
+The values below are the possible return codes of the
+\helpref{HitTest}{wxtextctrlhittest} method:
+
+{\small
+\begin{verbatim}
+// the point asked is ...
+enum wxTextCtrlHitTestResult
+{
+ wxTE_HT_UNKNOWN = -2, // this means HitTest() is simply not implemented
+ wxTE_HT_BEFORE, // either to the left or upper
+ wxTE_HT_ON_TEXT, // directly on
+ wxTE_HT_BELOW, // below [the last line]
+ wxTE_HT_BEYOND // after [the end of line]
+};
+// ... the character returned
+\end{verbatim}
+}
+
+
+\wxheading{Event handling}
+
+The following commands are processed by default event handlers in wxTextCtrl: wxID\_CUT, wxID\_COPY,
+wxID\_PASTE, wxID\_UNDO, wxID\_REDO. The associated UI update events are also processed
+automatically, when the control has the focus.
+
+To process input from a text control, use these event handler macros to direct input to member
+functions that take a \helpref{wxCommandEvent}{wxcommandevent} argument.
+
+\twocolwidtha{7cm}%
+\begin{twocollist}\itemsep=0pt
+\twocolitem{{\bf EVT\_TEXT(id, func)}}{Respond to a wxEVT\_COMMAND\_TEXT\_UPDATED event,
+generated when the text changes. Notice that this event will be sent
+when the text controls contents changes - whether this is due to user input or
+comes from the program itself (for example, if SetValue() is called); see ChangeValue() for
+a function which does not send this event.}
+\twocolitem{{\bf EVT\_TEXT\_ENTER(id, func)}}{Respond to a wxEVT\_COMMAND\_TEXT\_ENTER event,
+generated when enter is pressed in a text control (which must have
+wxTE\_PROCESS\_ENTER style for this event to be generated).}
+\twocolitem{{\bf EVT\_TEXT\_URL(id, func)}}{A mouse event occurred over an URL
+in the text control (wxMSW and wxGTK2 only)}
+\twocolitem{{\bf EVT\_TEXT\_MAXLEN(id, func)}}{User tried to enter more text
+into the control than the limit set by
+\helpref{SetMaxLength}{wxtextctrlsetmaxlength}.}
+\end{twocollist}%
+
projects / wxWidgets.git / blobdiff