codes.
Note that this method returns a meaningful value only for special
- non-alphanumeric keys or if the user entered a character that can be
- represented in current locale's default charset. Otherwise, e.g. if the
- user enters a Japanese character in a program not using Japanese
- locale, this method returns @c WXK_NONE and GetUnicodeKey() should be
- used to obtain the corresponding Unicode character.
+ non-alphanumeric keys or if the user entered a Latin-1 character (this
+ includes ASCII and the accented letters found in Western European
+ languages but not letters of other alphabets such as e.g. Cyrillic).
+ Otherwise it simply method returns @c WXK_NONE and GetUnicodeKey()
+ should be used to obtain the corresponding Unicode character.
Using GetUnicodeKey() is in general the right thing to do if you are
interested in the characters typed by the user, GetKeyCode() should be
@code
void MyHandler::OnChar(wxKeyEvent& event)
{
- if ( event.GetUnicodeKey() != WXK_NONE )
+ wxChar uc = event.GetUnicodeKey();
+ if ( uc != WXK_NONE )
{
- // It's a printable character
- wxLogMessage("You pressed '%c'", event.GetUnicodeKey());
+ // It's a "normal" character. Notice that this includes
+ // control characters in 1..31 range, e.g. WXK_RETURN or
+ // WXK_BACK, so check for them explicitly.
+ if ( uc >= 32 )
+ {
+ wxLogMessage("You pressed '%c'", uc);
+ }
+ else
+ {
+ // It's a control character
+ ...
+ }
}
- else
+ else // No Unicode equivalent.
{
// It's a special key, deal with all the known ones:
switch ( GetKeyCode() )
//@{
/**
Obtains the position (in client coordinates) at which the key was pressed.
+
+ Notice that this position is simply the current mouse pointer position
+ and has no special relationship to the key event itself.
*/
wxPoint GetPosition() const;
void GetPosition(long* x, long* y) const;
/**
Returns the X position (in client coordinates) of the event.
+
+ @see GetPosition()
*/
wxCoord GetX() const;
/**
Returns the Y position (in client coordinates) of the event.
+
+ @see GetPosition()
*/
wxCoord GetY() const;
text was copied or cut.
@note
- These events are currently only generated by wxTextCtrl under GTK+.
- They are generated by all controls under Windows.
+ These events are currently only generated by wxTextCtrl in wxGTK and wxOSX
+ but are also generated by wxComboBox without wxCB_READONLY style in wxMSW.
@beginEventTable{wxClipboardTextEvent}
@event{EVT_TEXT_COPY(id, func)}
window (whether using the mouse or keyboard) and when it is done from the
program itself using wxWindow::SetFocus.
+ The focus event handlers should almost invariably call wxEvent::Skip() on
+ their event argument to allow the default handling to take place. Failure
+ to do this may result in incorrect behaviour of the native controls. Also
+ note that wxEVT_KILL_FOCUS handler must not call wxWindow::SetFocus() as
+ this, again, is not supported by all native controls. If you need to do
+ this, consider using the @ref sec_delayed_action described in wxIdleEvent
+ documentation.
+
@beginEventTable{wxFocusEvent}
@event{EVT_SET_FOCUS(func)}
Process a @c wxEVT_SET_FOCUS event.
@library{wxbase}
@category{events}
+ @section sec_delayed_action Delayed Action Mechanism
+
+ wxIdleEvent can be used to perform some action "at slightly later time".
+ This can be necessary in several circumstances when, for whatever reason,
+ something can't be done in the current event handler. For example, if a
+ mouse event handler is called with the mouse button pressed, the mouse can
+ be currently captured and some operations with it -- notably capturing it
+ again -- might be impossible or lead to undesirable results. If you still
+ want to capture it, you can do it from @c wxEVT_IDLE handler when it is
+ called the next time instead of doing it immediately.
+
+ This can be achieved in two different ways: when using static event tables,
+ you will need a flag indicating to the (always connected) idle event
+ handler whether the desired action should be performed. The originally
+ called handler would then set it to indicate that it should indeed be done
+ and the idle handler itself would reset it to prevent it from doing the
+ same action again.
+
+ Using dynamically connected event handlers things are even simpler as the
+ original event handler can simply wxEvtHandler::Connect() or
+ wxEvtHandler::Bind() the idle event handler which would only be executed
+ then and could wxEvtHandler::Disconnect() or wxEvtHandler::Unbind() itself.
+
+
@see @ref overview_events, wxUpdateUIEvent, wxWindow::OnInternalIdle
*/
class wxIdleEvent : public wxEvent
wxEventType wxEVT_HELP;
wxEventType wxEVT_DETAILED_HELP;
wxEventType wxEVT_COMMAND_TEXT_UPDATED;
+wxEventType wxEVT_COMMAND_TEXT_ENTER;
wxEventType wxEVT_COMMAND_TOOL_CLICKED;
wxEventType wxEVT_WINDOW_MODAL_DIALOG_CLOSED;
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