1998-05-20 10:25:30 -04:00
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\section{\class{wxCheckBox}}\label{wxcheckbox}
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2004-01-26 05:40:53 -05:00
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A checkbox is a labelled box which by default is either on (checkmark is
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visible) or off (no checkmark). Optionally (when the wxCHK\_3STATE style flag
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is set) it can have a third state, called the mixed or undetermined state.
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Often this is used as a "Does Not Apply" state.
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1998-05-20 10:25:30 -04:00
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\wxheading{Derived from}
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\helpref{wxControl}{wxcontrol}\\
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\helpref{wxWindow}{wxwindow}\\
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\helpref{wxEvtHandler}{wxevthandler}\\
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\helpref{wxObject}{wxobject}
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1999-02-15 15:41:29 -05:00
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\wxheading{Include files}
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<wx/checkbox.h>
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1998-05-20 10:25:30 -04:00
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\wxheading{Window styles}
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\twocolwidtha{7cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{\windowstyle{wxCHK\_2STATE}}{Create a 2-state checkbox. This is the default.}
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\twocolitem{\windowstyle{wxCHK\_3STATE}}{Create a 3-state checkbox.
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Not implemented in wxMGL, wxOS2 and wxGTK built against GTK+ 1.2.}
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\twocolitem{\windowstyle{wxCHK\_ALLOW\_3RD\_STATE\_FOR\_USER}}{By default a user can't set a 3-state checkbox
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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. }
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\twocolitem{\windowstyle{wxALIGN\_RIGHT}}{Makes the text appear on the left of the checkbox.}
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\end{twocollist}
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1998-05-20 10:25:30 -04:00
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See also \helpref{window styles overview}{windowstyles}.
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1998-08-06 15:42:06 -04:00
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\wxheading{Event handling}
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\twocolwidtha{7cm}
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\begin{twocollist}\itemsep=0pt
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\twocolitem{{\bf EVT\_CHECKBOX(id, func)}}{Process a wxEVT\_COMMAND\_CHECKBOX\_CLICKED event,
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when the checkbox is clicked.}
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\end{twocollist}
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1998-05-20 10:25:30 -04:00
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\wxheading{See also}
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1998-08-06 15:42:06 -04:00
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\helpref{wxRadioButton}{wxradiobutton}, \helpref{wxCommandEvent}{wxcommandevent}
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1998-05-20 10:25:30 -04:00
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxCheckBox::wxCheckBox}\label{wxcheckboxconstr}
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\func{}{wxCheckBox}{\void}
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Default constructor.
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1998-06-14 08:11:50 -04:00
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\func{}{wxCheckBox}{\param{wxWindow* }{parent}, \param{wxWindowID}{ id},\rtfsp
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\param{const wxString\& }{label}, \param{const wxPoint\& }{pos = wxDefaultPosition},\rtfsp
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\param{const wxSize\& }{size = wxDefaultSize}, \param{long}{ style = 0},\rtfsp
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\param{const wxValidator\& }{val}, \param{const wxString\& }{name = ``checkBox"}}
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Constructor, creating and showing a checkbox.
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\wxheading{Parameters}
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\docparam{parent}{Parent window. Must not be NULL.}
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\docparam{id}{Checkbox identifier. A value of -1 indicates a default value.}
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\docparam{label}{Text to be displayed next to the checkbox.}
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\docparam{pos}{Checkbox position. If the position (-1, -1) is specified then a default position is chosen.}
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\docparam{size}{Checkbox size. If the default size (-1, -1) is specified then a default size is chosen.}
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\docparam{style}{Window style. See \helpref{wxCheckBox}{wxcheckbox}.}
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\docparam{validator}{Window validator.}
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\docparam{name}{Window name.}
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\wxheading{See also}
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\helpref{wxCheckBox::Create}{wxcheckboxcreate}, \helpref{wxValidator}{wxvalidator}
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\membersection{wxCheckBox::\destruct{wxCheckBox}}
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\func{}{\destruct{wxCheckBox}}{\void}
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Destructor, destroying the checkbox.
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\membersection{wxCheckBox::Create}\label{wxcheckboxcreate}
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\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID}{ id},\rtfsp
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\param{const wxString\& }{label}, \param{const wxPoint\& }{pos = wxDefaultPosition},\rtfsp
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\param{const wxSize\& }{size = wxDefaultSize}, \param{long}{ style = 0},\rtfsp
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\param{const wxValidator\& }{val}, \param{const wxString\& }{name = ``checkBox"}}
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Creates the checkbox for two-step construction. See \helpref{wxCheckBox::wxCheckBox}{wxcheckboxconstr}\rtfsp
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for details.
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\membersection{wxCheckBox::GetValue}\label{wxcheckboxgetvalue}
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\constfunc{bool}{GetValue}{\void}
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2003-09-27 20:23:08 -04:00
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Gets the state of a 2-state checkbox.
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\wxheading{Return value}
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Returns \true if it is checked, \false otherwise.
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\membersection{wxCheckBox::Get3StateValue}\label{wxcheckboxgetthreestatevalue}
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\constfunc{wxCheckBoxState}{Get3StateValue}{\void}
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Gets the state of a 3-state checkbox.
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\wxheading{Return value}
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Returns wxCHK\_UNCHECKED when the checkbox is unchecked, wxCHK\_CHECKED
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when it is checked and wxCHK\_UNDETERMINED when it's in the undetermined
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state. Asserts when the function is used with a 2-state checkbox.
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\membersection{wxCheckBox::Is3rdStateAllowedForUser}\label{wxcheckboxis3rdstateallowedforuser}
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\constfunc{bool}{Is3rdStateAllowedForUser}{\void}
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Returns whether or not the user can set the checkbox to the third state.
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\wxheading{Return value}
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2003-09-27 20:23:08 -04:00
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Returns \true if the user can set the third state of this checkbox, \false if it can only be set
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programmatically or if it's a 2-state checkbox.
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\membersection{wxCheckBox::Is3State}\label{wxcheckboxis3state}
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\constfunc{bool}{Is3State}{\void}
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Returns whether or not the checkbox is a 3-state checkbox.
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\wxheading{Return value}
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Returns \true if this checkbox is a 3-state checkbox, \false if it's a 2-state checkbox.
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\membersection{wxCheckBox::IsChecked}\label{wxcheckboxischecked}
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\constfunc{bool}{IsChecked}{\void}
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This is just a maybe more readable synonym for
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\helpref{GetValue}{wxcheckboxgetvalue}: just as the latter, it returns
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\true if the checkbox is checked and \false otherwise.
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\membersection{wxCheckBox::SetValue}\label{wxcheckboxsetvalue}
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2003-09-28 13:51:11 -04:00
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\func{void}{SetValue}{\param{bool}{ state}}
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1998-05-20 10:25:30 -04:00
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1999-07-22 19:28:55 -04:00
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Sets the checkbox to the given state. This does not cause a
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wxEVT\_COMMAND\_CHECKBOX\_CLICKED event to get emitted.
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1998-05-20 10:25:30 -04:00
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\wxheading{Parameters}
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2003-09-27 20:23:08 -04:00
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\docparam{state}{If \true, the check is on, otherwise it is off.}
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\membersection{wxCheckBox::Set3StateValue}\label{wxcheckboxset3statevalue}
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\func{void}{Set3StateValue}{\param{const wxCheckBoxState}{ state}}
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Sets the checkbox to the given state. This does not cause a
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wxEVT\_COMMAND\_CHECKBOX\_CLICKED event to get emitted.
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\wxheading{Parameters}
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\docparam{state}{Can be one of: wxCHK\_UNCHECKED (Check is off), wxCHK\_CHECKED
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(Check is on) or wxCHK\_UNDETERMINED (Check is mixed). Asserts when the checkbox
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is a 2-state checkbox and setting the state to wxCHK\_UNDETERMINED.}
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