X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/a660d684eda27638bca0384b2058911a31c8e845..93bfe54527a7a64ea87cdc03be3015f7963fd227:/docs/latex/wx/checkbox.tex diff --git a/docs/latex/wx/checkbox.tex b/docs/latex/wx/checkbox.tex index c1910aa99f..0e80714609 100644 --- a/docs/latex/wx/checkbox.tex +++ b/docs/latex/wx/checkbox.tex @@ -1,7 +1,9 @@ \section{\class{wxCheckBox}}\label{wxcheckbox} -A checkbox is a labelled box which is either on (checkmark is visible) -or off (no checkmark). +A checkbox is a labelled box which by default is either on (checkmark is +visible) or off (no checkmark). Optionally (when the wxCHK\_3STATE style flag +is set) it can have a third state, called the mixed or undetermined state. +Often this is used as a "Does Not Apply" state. \wxheading{Derived from} @@ -10,25 +12,45 @@ or off (no checkmark). \helpref{wxEvtHandler}{wxevthandler}\\ \helpref{wxObject}{wxobject} +\wxheading{Include files} + + + \wxheading{Window styles} -There are no special styles for wxCheckBox. +\twocolwidtha{7cm} +\begin{twocollist}\itemsep=0pt +\twocolitem{\windowstyle{wxCHK\_2STATE}}{Create a 2-state checkbox. This is the default.} +\twocolitem{\windowstyle{wxCHK\_3STATE}}{Create a 3-state checkbox. +Not implemented in wxMGL, wxOS2 and wxGTK built against GTK+ 1.2.} +\twocolitem{\windowstyle{wxCHK\_ALLOW\_3RD\_STATE\_FOR\_USER}}{By default a user can't set a 3-state checkbox +to the third state. It can only be done from code. Using this flags allows the user to set the checkbox to the third state by clicking. } +\twocolitem{\windowstyle{wxALIGN\_RIGHT}}{Makes the text appear on the left of the checkbox.} +\end{twocollist} See also \helpref{window styles overview}{windowstyles}. +\wxheading{Event handling} + +\twocolwidtha{7cm} +\begin{twocollist}\itemsep=0pt +\twocolitem{{\bf EVT\_CHECKBOX(id, func)}}{Process a wxEVT\_COMMAND\_CHECKBOX\_CLICKED event, +when the checkbox is clicked.} +\end{twocollist} + \wxheading{See also} -\helpref{wxRadioButton}{wxradiobutton} +\helpref{wxRadioButton}{wxradiobutton}, \helpref{wxCommandEvent}{wxcommandevent} \latexignore{\rtfignore{\wxheading{Members}}} -\membersection{wxCheckBox::wxCheckBox}\label{wxcheckboxconstr} +\membersection{wxCheckBox::wxCheckBox}\label{wxcheckboxctor} \func{}{wxCheckBox}{\void} Default constructor. -\func{}{wxCheckBox}{\param{wxWindow* }{parent}, \param{const wxWindowID}{ id},\rtfsp +\func{}{wxCheckBox}{\param{wxWindow* }{parent}, \param{wxWindowID}{ id},\rtfsp \param{const wxString\& }{label}, \param{const wxPoint\& }{pos = wxDefaultPosition},\rtfsp \param{const wxSize\& }{size = wxDefaultSize}, \param{long}{ style = 0},\rtfsp \param{const wxValidator\& }{val}, \param{const wxString\& }{name = ``checkBox"}} @@ -57,7 +79,7 @@ Constructor, creating and showing a checkbox. \helpref{wxCheckBox::Create}{wxcheckboxcreate}, \helpref{wxValidator}{wxvalidator} -\membersection{wxCheckBox::\destruct{wxCheckBox}} +\membersection{wxCheckBox::\destruct{wxCheckBox}}\label{wxcheckboxdtor} \func{}{\destruct{wxCheckBox}}{\void} @@ -65,32 +87,85 @@ Destructor, destroying the checkbox. \membersection{wxCheckBox::Create}\label{wxcheckboxcreate} -\func{bool}{Create}{\param{wxWindow* }{parent}, \param{const wxWindowID}{ id},\rtfsp +\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID}{ id},\rtfsp \param{const wxString\& }{label}, \param{const wxPoint\& }{pos = wxDefaultPosition},\rtfsp \param{const wxSize\& }{size = wxDefaultSize}, \param{long}{ style = 0},\rtfsp \param{const wxValidator\& }{val}, \param{const wxString\& }{name = ``checkBox"}} -Creates the checkbox for two-step construction. See \helpref{wxCheckBox::wxCheckBox}{wxcheckboxconstr}\rtfsp +Creates the checkbox for two-step construction. See \helpref{wxCheckBox::wxCheckBox}{wxcheckboxctor}\rtfsp for details. \membersection{wxCheckBox::GetValue}\label{wxcheckboxgetvalue} \constfunc{bool}{GetValue}{\void} -Gets the state of the checkbox. +Gets the state of a 2-state checkbox. \wxheading{Return value} -Returns TRUE if it is checked, FALSE otherwise. +Returns \true if it is checked, \false otherwise. + +\membersection{wxCheckBox::Get3StateValue}\label{wxcheckboxgetthreestatevalue} + +\constfunc{wxCheckBoxState}{Get3StateValue}{\void} + +Gets the state of a 3-state checkbox. + +\wxheading{Return value} + +Returns wxCHK\_UNCHECKED when the checkbox is unchecked, wxCHK\_CHECKED + when it is checked and wxCHK\_UNDETERMINED when it's in the undetermined +state. Asserts when the function is used with a 2-state checkbox. + +\membersection{wxCheckBox::Is3rdStateAllowedForUser}\label{wxcheckboxis3rdstateallowedforuser} + +\constfunc{bool}{Is3rdStateAllowedForUser}{\void} + +Returns whether or not the user can set the checkbox to the third state. + +\wxheading{Return value} + +Returns \true if the user can set the third state of this checkbox, \false if it can only be set +programmatically or if it's a 2-state checkbox. + +\membersection{wxCheckBox::Is3State}\label{wxcheckboxis3state} + +\constfunc{bool}{Is3State}{\void} + +Returns whether or not the checkbox is a 3-state checkbox. + +\wxheading{Return value} + +Returns \true if this checkbox is a 3-state checkbox, \false if it's a 2-state checkbox. + +\membersection{wxCheckBox::IsChecked}\label{wxcheckboxischecked} + +\constfunc{bool}{IsChecked}{\void} + +This is just a maybe more readable synonym for +\helpref{GetValue}{wxcheckboxgetvalue}: just as the latter, it returns +\true if the checkbox is checked and \false otherwise. \membersection{wxCheckBox::SetValue}\label{wxcheckboxsetvalue} -\func{void}{SetValue}{\param{const bool}{ state}} +\func{void}{SetValue}{\param{bool}{ state}} -Sets the checkbox to the given state. +Sets the checkbox to the given state. This does not cause a +wxEVT\_COMMAND\_CHECKBOX\_CLICKED event to get emitted. \wxheading{Parameters} -\docparam{state}{If TRUE, the check is on, otherwise it is off.} +\docparam{state}{If \true, the check is on, otherwise it is off.} + +\membersection{wxCheckBox::Set3StateValue}\label{wxcheckboxset3statevalue} +\func{void}{Set3StateValue}{\param{const wxCheckBoxState}{ state}} + +Sets the checkbox to the given state. This does not cause a +wxEVT\_COMMAND\_CHECKBOX\_CLICKED event to get emitted. + +\wxheading{Parameters} +\docparam{state}{Can be one of: wxCHK\_UNCHECKED (Check is off), wxCHK\_CHECKED + (Check is on) or wxCHK\_UNDETERMINED (Check is mixed). Asserts when the checkbox + is a 2-state checkbox and setting the state to wxCHK\_UNDETERMINED.}