X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a160a3252fbc652e47973be9fe9dc38457fc0055..2fda2145700445519a0ce539b04dc72bae180124:/docs/latex/wx/keyevent.tex?ds=sidebyside diff --git a/docs/latex/wx/keyevent.tex b/docs/latex/wx/keyevent.tex index ef8543a623..daaafb0258 100644 --- a/docs/latex/wx/keyevent.tex +++ b/docs/latex/wx/keyevent.tex @@ -17,11 +17,6 @@ from the \helpref{keycodes table}{keycodes}. The translated key is, in general, the character the user expects to appear as the result of the key combination when typing the text into a text entry zone, for example. -If the key up event is caught and the event handler does not call -event.Skip() then the coresponding char event will not happen. This -is by design and enables the programs that handle both types of events -to be a bit simpler. - A few examples to clarify this (all assume that {\sc Caps Lock} is unpressed and the standard US keyboard): when the {\tt 'A'} key is pressed, the key down event key code is equal to {\tt ASCII A} $== 65$. But the char event key code @@ -45,10 +40,19 @@ You may discover how the other keys on your system behave interactively by running the \helpref{text}{sampletext} wxWindows sample and pressing some keys in any of the text controls shown in it. +{\bf Note:} If a key down ({\tt EVT\_KEY\_DOWN}) event is caught and +the event handler does not call {\tt event.Skip()} then the coresponding +char event ({\tt EVT\_CHAR}) will not happen. This is by design and +enables the programs that handle both types of events to be a bit +simpler. + {\bf Note for Windows programmers:} The key and char events in wxWindows are similar to but slightly different from Windows {\tt WM\_KEYDOWN} and {\tt WM\_CHAR} events. In particular, Alt-x combination will generate a char -event in wxWindows (unless it is used as an acclerator). +event in wxWindows (unless it is used as an accelerator). + +{\bf Tip:} be sure to call {\tt event.Skip()} for events that you don't process in +key event function, otherwise menu shortcuts may cease to work under Windows. \wxheading{Derived from} @@ -78,13 +82,13 @@ functions that take a wxKeyEvent argument. \member{bool}{m\_altDown} -TRUE if the Alt key is pressed down. +true if the Alt key is pressed down. \membersection{wxKeyEvent::m\_controlDown} \member{bool}{m\_controlDown} -TRUE if control is pressed down. +true if control is pressed down. \membersection{wxKeyEvent::m\_keyCode} @@ -96,13 +100,13 @@ Virtual keycode. See \helpref{Keycodes}{keycodes} for a list of identifiers. \member{bool}{m\_metaDown} -TRUE if the Meta key is pressed down. +true if the Meta key is pressed down. \membersection{wxKeyEvent::m\_shiftDown} \member{bool}{m\_shiftDown} -TRUE if shift is pressed down. +true if shift is pressed down. \membersection{wxKeyEvent::m\_x} @@ -126,13 +130,13 @@ Constructor. Currently, the only valid event types are wxEVT\_CHAR and wxEVT\_CH \constfunc{bool}{AltDown}{\void} -Returns TRUE if the Alt key was down at the time of the key event. +Returns true if the Alt key was down at the time of the key event. \membersection{wxKeyEvent::ControlDown} \constfunc{bool}{ControlDown}{\void} -Returns TRUE if the control key was down at the time of the key event. +Returns true if the control key was down at the time of the key event. \membersection{wxKeyEvent::GetKeyCode} @@ -150,7 +154,7 @@ Returns the raw key code for this event. This is a platform-dependent scan code which should only be used in advanced applications. {\bf NB:} Currently the raw key codes are not supported by all ports, use -{\tt #ifdef wxHAS\_RAW\_KEY\_CODES} to determine if this feature is available. +{\tt\#ifdef wxHAS\_RAW\_KEY\_CODES} to determine if this feature is available. \membersection{wxKeyEvent::GetRawKeyFlags} @@ -160,7 +164,7 @@ Returns the low level key flags for this event. The flags are platform-dependent and should only be used in advanced applications. {\bf NB:} Currently the raw key flags are not supported by all ports, use -{\tt #ifdef wxHAS\_RAW\_KEY\_CODES} to determine if this feature is available. +{\tt \#ifdef wxHAS\_RAW\_KEY\_CODES} to determine if this feature is available. \membersection{wxKeyEvent::GetX} @@ -178,7 +182,7 @@ Returns the Y position of the event. \constfunc{bool}{MetaDown}{\void} -Returns TRUE if the Meta key was down at the time of the key event. +Returns true if the Meta key was down at the time of the key event. \membersection{wxKeyEvent::GetPosition} @@ -192,7 +196,7 @@ Obtains the position at which the key was pressed. \constfunc{bool}{HasModifiers}{\void} -Returns TRUE if either {\sc Ctrl} or {\sc Alt} keys was down +Returns true if either {\sc Ctrl} or {\sc Alt} keys was down at the time of the key event. Note that this function does not take into account neither {\sc Shift} nor {\sc Meta} key states (the reason for ignoring the latter is that it is common for {\sc NumLock} key to be configured as @@ -203,6 +207,5 @@ be still processed normally). \constfunc{bool}{ShiftDown}{\void} -Returns TRUE if the shift key was down at the time of the key event. - +Returns true if the shift key was down at the time of the key event.