All mouse events involving the buttons use {\tt wxMOUSE\_BTN\_LEFT} for the
left mouse button, {\tt wxMOUSE\_BTN\_MIDDLE} for the middle one and
-{\tt wxMOUSE\_BTN\_RIGHT} for the right one. Note that not all mice have a
-middle button so a portable application should avoid relying on the events from
-it.
-
-{\bf NB:} Note that under Windows mouse enter and leave events are not natively supported
-by the system but are generated by wxWindows itself. This has several
+{\tt wxMOUSE\_BTN\_RIGHT} for the right one. And if the system supports more
+buttons, the \texttt{wxMOUSE\_BTN\_AUX1} and \texttt{wxMOUSE\_BTN\_AUX2} events
+can also be generated. Note that not all mice have even a middle button so a
+portable application should avoid relying on the events from it (but the right
+button click can be emulated using the left mouse button with the control key
+under Mac platforms with a single button mouse).
+
+For the \texttt{wxEVT\_ENTER\_WINDOW} and \texttt{wxEVT\_LEAVE\_WINDOW} events
+purposes, the mouse is considered to be inside the window if it is in the
+window client area and not inside one of its children. In other words, the
+parent window receives \texttt{wxEVT\_LEAVE\_WINDOW} event not only when the
+mouse leaves the window entirely but also when it enters one of its children.
+
+{\bf NB:} Note that under Windows CE mouse enter and leave events are not natively supported
+by the system but are generated by wxWidgets itself. This has several
drawbacks: the LEAVE\_WINDOW event might be received some time after the mouse
left the window and the state variables for it may have changed during this
time.
whether the left mouse button is (still) depressed. Also, by convention, if
\helpref{LeftDown}{wxmouseeventleftdown} returns {\tt true},
\helpref{LeftIsDown}{wxmouseeventleftisdown} will also return {\tt true} in
-wxWindows whatever the underlying GUI behaviour is (which is
+wxWidgets whatever the underlying GUI behaviour is (which is
platform-dependent). The same applies, of course, to other mouse buttons as
well.
<wx/event.h>
+\wxheading{Library}
+
+\helpref{wxCore}{librarieslist}
+
\wxheading{Event table macros}
To process a mouse event, use these event handler macros to direct input to member
\twocolwidtha{7cm}
\begin{twocollist}\itemsep=0pt
-\twocolitem{{\bf EVT\_LEFT\_DOWN(func)}}{Process a wxEVT\_LEFT\_DOWN event.}
+\twocolitem{{\bf EVT\_LEFT\_DOWN(func)}}{Process a wxEVT\_LEFT\_DOWN event. The
+handler of this event should normally call \helpref{event.Skip()}{wxeventskip} to
+allow the default processing to take place as otherwise the window under mouse
+wouldn't get the focus.}
\twocolitem{{\bf EVT\_LEFT\_UP(func)}}{Process a wxEVT\_LEFT\_UP event.}
\twocolitem{{\bf EVT\_LEFT\_DCLICK(func)}}{Process a wxEVT\_LEFT\_DCLICK event.}
\twocolitem{{\bf EVT\_MIDDLE\_DOWN(func)}}{Process a wxEVT\_MIDDLE\_DOWN event.}
\twocolitem{{\bf EVT\_RIGHT\_DOWN(func)}}{Process a wxEVT\_RIGHT\_DOWN event.}
\twocolitem{{\bf EVT\_RIGHT\_UP(func)}}{Process a wxEVT\_RIGHT\_UP event.}
\twocolitem{{\bf EVT\_RIGHT\_DCLICK(func)}}{Process a wxEVT\_RIGHT\_DCLICK event.}
+\twocolitem{{\bf EVT\_MOUSE\_AUX1\_DOWN(func)}}{Process a wxEVT\_MOUSE\_AUX1\_DOWN event.}
+\twocolitem{{\bf EVT\_MOUSE\_AUX1\_UP(func)}}{Process a wxEVT\_MOUSE\_AUX1\_UP event.}
+\twocolitem{{\bf EVT\_MOUSE\_AUX1\_DCLICK(func)}}{Process a wxEVT\_MOUSE\_AUX1\_DCLICK event.}
+\twocolitem{{\bf EVT\_MOUSE\_AUX2\_DOWN(func)}}{Process a wxEVT\_MOUSE\_AUX2\_DOWN event.}
+\twocolitem{{\bf EVT\_MOUSE\_AUX2\_UP(func)}}{Process a wxEVT\_MOUSE\_AUX2\_UP event.}
+\twocolitem{{\bf EVT\_MOUSE\_AUX2\_DCLICK(func)}}{Process a wxEVT\_MOUSE\_AUX2\_DCLICK event.}
\twocolitem{{\bf EVT\_MOTION(func)}}{Process a wxEVT\_MOTION event.}
\twocolitem{{\bf EVT\_ENTER\_WINDOW(func)}}{Process a wxEVT\_ENTER\_WINDOW event.}
\twocolitem{{\bf EVT\_LEAVE\_WINDOW(func)}}{Process a wxEVT\_LEAVE\_WINDOW event.}
\latexignore{\rtfignore{\wxheading{Members}}}
-\membersection{wxMouseEvent::m\_altDown}
+\membersection{wxMouseEvent::m\_altDown}\label{wxmouseeventmaltdown}
\member{bool}{m\_altDown}
true if the Alt key is pressed down.
-\membersection{wxMouseEvent::m\_controlDown}
+\membersection{wxMouseEvent::m\_controlDown}\label{wxmouseeventmcontroldown}
\member{bool}{m\_controlDown}
true if control key is pressed down.
-\membersection{wxMouseEvent::m\_leftDown}
+\membersection{wxMouseEvent::m\_leftDown}\label{wxmouseeventmleftdown}
\member{bool}{m\_leftDown}
true if the left mouse button is currently pressed down.
-\membersection{wxMouseEvent::m\_middleDown}
+\membersection{wxMouseEvent::m\_middleDown}\label{wxmouseeventmmiddledown}
\member{bool}{m\_middleDown}
true if the middle mouse button is currently pressed down.
-\membersection{wxMouseEvent::m\_rightDown}
+\membersection{wxMouseEvent::m\_rightDown}\label{wxmouseeventmrightdown}
\member{bool}{m\_rightDown}
true if the right mouse button is currently pressed down.
-\membersection{wxMouseEvent::m\_metaDown}
+\membersection{wxMouseEvent::m\_metaDown}\label{wxmouseeventmmetadown}
\member{bool}{m\_metaDown}
true if the Meta key is pressed down.
-\membersection{wxMouseEvent::m\_shiftDown}
+\membersection{wxMouseEvent::m\_shiftDown}\label{wxmouseeventmshiftdown}
\member{bool}{m\_shiftDown}
true if shift is pressed down.
-\membersection{wxMouseEvent::m\_x}
+\membersection{wxMouseEvent::m\_x}\label{wxmouseeventmx}
\member{long}{m\_x}
X-coordinate of the event.
-\membersection{wxMouseEvent::m\_y}
+\membersection{wxMouseEvent::m\_y}\label{wxmouseeventmy}
\member{long}{m\_y}
Y-coordinate of the event.
-\membersection{wxMouseEvent::m\_wheelRotation}
+\membersection{wxMouseEvent::m\_wheelRotation}\label{wxmouseeventmwheelrotation}
\member{int}{m\_wheelRotation}
The distance the mouse wheel is rotated.
-\membersection{wxMouseEvent::m\_wheelDelta}
+\membersection{wxMouseEvent::m\_wheelDelta}\label{wxmouseeventmwheeldelta}
\member{int}{m\_wheelDelta}
The wheel delta, normally $120$.
-\membersection{wxMouseEvent::m\_linesPerAction}
+\membersection{wxMouseEvent::m\_linesPerAction}\label{wxmouseeventmlinesperaction}
\member{int}{m\_linesPerAction}
-\membersection{wxMouseEvent::wxMouseEvent}
+\membersection{wxMouseEvent::wxMouseEvent}\label{wxmouseeventctor}
-\func{}{wxMouseEvent}{\param{WXTYPE}{ mouseEventType = 0}, \param{int}{ id = 0}}
+\func{}{wxMouseEvent}{\param{WXTYPE}{ mouseEventType = 0}}
Constructor. Valid event types are:
\item {\bf wxEVT\_RIGHT\_DOWN}
\item {\bf wxEVT\_RIGHT\_UP}
\item {\bf wxEVT\_RIGHT\_DCLICK}
+\item {\bf wxEVT\_MOUSE\_AUX1\_DOWN}
+\item {\bf wxEVT\_MOUSE\_AUX1\_UP}
+\item {\bf wxEVT\_MOUSE\_AUX1\_DCLICK}
+\item {\bf wxEVT\_MOUSE\_AUX2\_DOWN}
+\item {\bf wxEVT\_MOUSE\_AUX2\_UP}
+\item {\bf wxEVT\_MOUSE\_AUX2\_DCLICK}
\item {\bf wxEVT\_MOTION}
\item {\bf wxEVT\_MOUSEWHEEL}
\end{itemize}
-\membersection{wxMouseEvent::AltDown}
+\membersection{wxMouseEvent::AltDown}\label{wxmouseeventaltdown}
\func{bool}{AltDown}{\void}
Returns true if the Alt key was down at the time of the event.
+\membersection{wxMouseEvent::Aux1DClick}\label{wxmouseeventaux1dclick}
+
+\constfunc{bool}{Aux1DClick}{\void}
+
+Returns true if the event was a first extra button double click.
+
+
+\membersection{wxMouseEvent::Aux1Down}\label{wxmouseeventaux1down}
+
+\constfunc{bool}{Aux1Down}{\void}
+
+Returns true if the first extra button mouse button changed to down.
+
+
+\membersection{wxMouseEvent::Aux1IsDown}\label{wxmouseeventaux1isdown}
+
+\constfunc{bool}{Aux1IsDown}{\void}
+
+Returns true if the first extra button mouse button is currently down, independent
+of the current event type.
+
+
+\membersection{wxMouseEvent::Aux1Up}\label{wxmouseeventaux1up}
+
+\constfunc{bool}{Aux1Up}{\void}
+
+Returns true if the first extra button mouse button changed to up.
+
+
+\membersection{wxMouseEvent::Aux2DClick}\label{wxmouseeventaux2dclick}
+
+\constfunc{bool}{Aux2DClick}{\void}
+
+Returns true if the event was a second extra button double click.
+
+
+\membersection{wxMouseEvent::Aux2Down}\label{wxmouseeventaux2down}
+
+\constfunc{bool}{Aux2Down}{\void}
+
+Returns true if the second extra button mouse button changed to down.
+
+
+\membersection{wxMouseEvent::Aux2IsDown}\label{wxmouseeventaux2isdown}
+
+\constfunc{bool}{Aux2IsDown}{\void}
+
+Returns true if the second extra button mouse button is currently down, independent
+of the current event type.
+
+
+\membersection{wxMouseEvent::Aux2Up}\label{wxmouseeventaux2up}
+
+\constfunc{bool}{Aux2Up}{\void}
+
+Returns true if the second extra button mouse button changed to up.
+
+
\membersection{wxMouseEvent::Button}\label{wxmouseeventbutton}
\func{bool}{Button}{\param{int}{ button}}
\begin{twocollist}\itemsep=0pt
\twocolitem{{\tt wxMOUSE\_BTN\_LEFT}}{check if left button was pressed}
-\twocolitem{{\tt wxMOUSE\_BTN\_MIDDLE}}{check if left button was pressed}
-\twocolitem{{\tt wxMOUSE\_BTN\_RIGHT}}{check if left button was pressed}
+\twocolitem{{\tt wxMOUSE\_BTN\_MIDDLE}}{check if middle button was pressed}
+\twocolitem{{\tt wxMOUSE\_BTN\_RIGHT}}{check if right button was pressed}
+\twocolitem{{\tt wxMOUSE\_BTN\_AUX1}}{check if the first extra button was pressed}
+\twocolitem{{\tt wxMOUSE\_BTN\_AUX2}}{check if the second extra button was pressed}
\twocolitem{{\tt wxMOUSE\_BTN\_ANY}}{check if any button was pressed}
\end{twocollist}
-\membersection{wxMouseEvent::ButtonDClick}
+\membersection{wxMouseEvent::ButtonDClick}\label{wxmouseeventbuttondclick}
\func{bool}{ButtonDClick}{\param{int}{ but = wxMOUSE\_BTN\_ANY}}
values).
-\membersection{wxMouseEvent::ButtonDown}
+\membersection{wxMouseEvent::ButtonDown}\label{wxmouseeventbuttondown}
\func{bool}{ButtonDown}{\param{int}{ but = -1}}
-\membersection{wxMouseEvent::ButtonUp}
+\membersection{wxMouseEvent::ButtonUp}\label{wxmouseeventbuttonup}
\func{bool}{ButtonUp}{\param{int}{ but = -1}}
-\membersection{wxMouseEvent::ControlDown}
+\membersection{wxMouseEvent::CmdDown}\label{wxmouseeventcmddown}
+
+\constfunc{bool}{CmdDown}{\void}
+
+Same as \helpref{MetaDown}{wxmouseeventmetadown} under Mac, same as
+\helpref{ControlDown}{wxmouseeventcontroldown} elsewhere.
+
+\wxheading{See also}
+
+\helpref{wxKeyEvent::CmdDown}{wxkeyeventcmddown}
+
+
+\membersection{wxMouseEvent::ControlDown}\label{wxmouseeventcontroldown}
\func{bool}{ControlDown}{\void}
Returns the physical mouse position in pixels.
+Note that if the mouse event has been artificially generated from a special
+keyboard combination (e.g. under Windows when the ``menu'' key is pressed), the
+returned position is \texttt{wxDefaultPosition}.
+
\membersection{wxMouseEvent::GetLogicalPosition}\label{wxmouseeventgetlogicalposition}
\constfunc{int}{GetWheelRotation}{\void}
Get wheel rotation, positive or negative indicates direction of
-rotation. Current devices all send an event when rotation is equal to
-+/-WheelDelta, but this allows for finer resolution devices to be
-created in the future. Because of this you shouldn't assume that one
-event is equal to 1 line or whatever, but you should be able to either
-do partial line scrolling or wait until +/-WheelDelta rotation values
-have been accumulated before scrolling.
+rotation. Current devices all send an event when rotation is at least
++/-WheelDelta, but finer resolution devices can be created in the future.
+Because of this you shouldn't assume that one event is equal to 1 line, but you
+should be able to either do partial line scrolling or wait until several
+events accumulate before scrolling.
\membersection{wxMouseEvent::GetWheelDelta}\label{wxmouseeventgetwheeldelta}
Returns Y coordinate of the physical mouse event position.
-\membersection{wxMouseEvent::IsButton}
+\membersection{wxMouseEvent::IsButton}\label{wxmouseeventisbutton}
\constfunc{bool}{IsButton}{\void}
that may be tested using {\it ButtonDown}).
-\membersection{wxMouseEvent::IsPageScroll}
+\membersection{wxMouseEvent::IsPageScroll}\label{wxmouseeventispagescroll}
\constfunc{bool}{IsPageScroll}{\void}
See also \helpref{wxMouseEvent::Entering}{wxmouseevententering}.
-\membersection{wxMouseEvent::LeftDClick}
+\membersection{wxMouseEvent::LeftDClick}\label{wxmouseeventleftdclick}
\constfunc{bool}{LeftDClick}{\void}
Returns true if the left mouse button is currently down, independent
of the current event type.
-Please notice that it is {\bf not} the same as
-\helpref{LeftDown}{wxmouseeventleftdown} which returns true if the left mouse
-button was just pressed. Rather, it describes the state of the mouse button
-before the event happened.
+Please notice that it is \emph{not} the same as
+\helpref{LeftDown}{wxmouseeventleftdown} which returns \true if the event was
+generated by the left mouse button being pressed. Rather, it simply describes
+the state of the left mouse button at the time when the event was generated
+(so while it will be true for a left click event, it can also be true for
+a right click if it happened while the left mouse button was pressed).
This event is usually used in the mouse event handlers which process "move
mouse" messages to determine whether the user is (still) dragging the mouse.
-\membersection{wxMouseEvent::LeftUp}
+\membersection{wxMouseEvent::LeftUp}\label{wxmouseeventleftup}
\constfunc{bool}{LeftUp}{\void}
Returns true if the left mouse button changed to up.
-\membersection{wxMouseEvent::MetaDown}
+\membersection{wxMouseEvent::MetaDown}\label{wxmouseeventmetadown}
\constfunc{bool}{MetaDown}{\void}
Returns true if the Meta key was down at the time of the event.
-\membersection{wxMouseEvent::MiddleDClick}
+\membersection{wxMouseEvent::MiddleDClick}\label{wxmouseeventmiddledclick}
\constfunc{bool}{MiddleDClick}{\void}
Returns true if the event was a middle double click.
-\membersection{wxMouseEvent::MiddleDown}
+\membersection{wxMouseEvent::MiddleDown}\label{wxmouseeventmiddledown}
\constfunc{bool}{MiddleDown}{\void}
of the current event type.
-\membersection{wxMouseEvent::MiddleUp}
+\membersection{wxMouseEvent::MiddleUp}\label{wxmouseeventmiddleup}
\constfunc{bool}{MiddleUp}{\void}
\helpref{Dragging}{wxmouseeventdragging} returns \true.
-\membersection{wxMouseEvent::RightDClick}
+\membersection{wxMouseEvent::RightDClick}\label{wxmouseeventrightdclick}
\constfunc{bool}{RightDClick}{\void}
Returns true if the event was a right double click.
-\membersection{wxMouseEvent::RightDown}
+\membersection{wxMouseEvent::RightDown}\label{wxmouseeventrightdown}
\constfunc{bool}{RightDown}{\void}
of the current event type.
-\membersection{wxMouseEvent::RightUp}
+\membersection{wxMouseEvent::RightUp}\label{wxmouseeventrightup}
\constfunc{bool}{RightUp}{\void}
Returns true if the right mouse button changed to up.
-\membersection{wxMouseEvent::ShiftDown}
+\membersection{wxMouseEvent::ShiftDown}\label{wxmouseeventshiftdown}
\constfunc{bool}{ShiftDown}{\void}
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