+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Name: dialog.tex
+%% Purpose: wxDialog documentation
+%% Author: wxWidgets Team
+%% Modified by:
+%% Created:
+%% RCS-ID: $Id$
+%% Copyright: (c) wxWidgets Team
+%% License: wxWindows license
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
\section{\class{wxDialog}}\label{wxdialog}
-A dialog box is a window with a title bar and sometimes a system menu, which can be moved around
-the screen. It can contain controls and other windows.
+A dialog box is a window with a title bar and sometimes a system menu, which
+can be moved around the screen. It can contain controls and other windows and
+is usually used to allow the user to make some choice or to answer a question.
\wxheading{Derived from}
-\helpref{wxPanel}{wxpanel}\\
+\helpref{wxTopLevelWindow}{wxtoplevelwindow}\\
\helpref{wxWindow}{wxwindow}\\
\helpref{wxEvtHandler}{wxevthandler}\\
\helpref{wxObject}{wxobject}
\wxheading{Remarks}
-There are two kinds of dialog - {\it modal} and {\it modeless}. A modal dialog
-blocks program flow and user input on other windows until it is dismissed, whereas a modeless dialog behaves more
-like a frame in that program flow continues, and input on other windows is still possible.
-You specify the type of dialog with the {\bf wxDIALOG\_MODAL} and {\bf wxDIALOG\_MODELESS} window
-styles.
-
-A dialog may be loaded from a wxWindows resource file (extension {\tt wxr}), which may itself
-be created by Dialog Editor. For details,
-see \helpref{The wxWindows resource system}{resourceformats}, \helpref{wxWindows resource functions}{resourcefuncs} and
-the resource sample.
-
-An application can define an \helpref{OnCloseWindow}{wxwindowonclosewindow} handler for the
-dialog to respond to system close events.
+There are two kinds of dialog -- {\it modal}\ and {\it modeless}. A modal dialog
+blocks program flow and user input on other windows until it is dismissed,
+whereas a modeless dialog behaves more like a frame in that program flow
+continues, and input in other windows is still possible. To show a modal dialog
+you should use the \helpref{ShowModal}{wxdialogshowmodal} method while to show
+a dialog modelessly you simply use \helpref{Show}{wxdialogshow}, just as with
+frames.
+
+Note that the modal dialog is one of the very few examples of
+wxWindow-derived objects which may be created on the stack and not on the heap.
+In other words, although this code snippet:
+
+\begin{verbatim}
+ void AskUser()
+ {
+ MyAskDialog *dlg = new MyAskDialog(...);
+ if ( dlg->ShowModal() == wxID_OK )
+ ...
+ //else: dialog was cancelled or some another button pressed
+
+ dlg->Destroy();
+ }
+\end{verbatim}
+
+works, you can also achieve the same result by using a simpler code fragment
+below:
+
+\begin{verbatim}
+ void AskUser()
+ {
+ MyAskDialog dlg(...);
+ if ( dlg.ShowModal() == wxID_OK )
+ ...
+
+ // no need to call Destroy() here
+ }
+\end{verbatim}
+
+An application can define a \helpref{wxCloseEvent}{wxcloseevent} handler for
+the dialog to respond to system close events.
\wxheading{Window styles}
\twocolwidtha{5cm}
\begin{twocollist}\itemsep=0pt
-\twocolitem{\windowstyle{wxDIALOG\_MODAL}}{Specifies that the dialog box will be modal.}
\twocolitem{\windowstyle{wxCAPTION}}{Puts a caption on the dialog box.}
-\twocolitem{\windowstyle{wxDEFAULT\_DIALOG\_STYLE}}{Equivalent to a combination of wxCAPTION, wxSYSTEM\_MENU and wxTHICK\_FRAME}
+\twocolitem{\windowstyle{wxDEFAULT\_DIALOG\_STYLE}}{Equivalent to a combination of wxCAPTION, wxCLOSE\_BOX and wxSYSTEM\_MENU (the last one is not used under Unix)}
\twocolitem{\windowstyle{wxRESIZE\_BORDER}}{Display a resizeable frame around the window.}
\twocolitem{\windowstyle{wxSYSTEM\_MENU}}{Display a system menu.}
+\twocolitem{\windowstyle{wxCLOSE\_BOX}}{Displays a close box on the frame.}
+\twocolitem{\windowstyle{wxMAXIMIZE\_BOX}}{Displays a maximize box on the dialog.}
+\twocolitem{\windowstyle{wxMINIMIZE\_BOX}}{Displays a minimize box on the dialog.}
\twocolitem{\windowstyle{wxTHICK\_FRAME}}{Display a thick frame around the window.}
-\twocolitem{\windowstyle{wxSTAY\_ON\_TOP}}{The dialog stays on top of all other windows (Windows only).}
+\twocolitem{\windowstyle{wxSTAY\_ON\_TOP}}{The dialog stays on top of all other windows.}
\twocolitem{\windowstyle{wxNO\_3D}}{Under Windows, specifies that the child controls
should not have 3D borders unless specified in the control.}
-\twocolitem{\windowstyle{wxDIALOG\_NO\_PARENT}}{By default, the dialogs crated
-with {\tt NULL} parent window will be given the
-\helpref{applications top level window}{wxappgettopwindow} as parent. Use this
-style to prevent this from happening and create a really orphan dialog (note
-that this is not recommended for modal dialogs).}
+\twocolitem{\windowstyle{wxDIALOG\_NO\_PARENT}}{By default, a dialog created
+with a {\tt NULL} parent window will be given the
+\helpref{application's top level window}{wxappgettopwindow} as parent. Use this
+style to prevent this from happening and create an orphan dialog. This is not recommended for modal dialogs.}
\twocolitem{\windowstyle{wxDIALOG\_EX\_CONTEXTHELP}}{Under Windows, puts a query button on the
-caption. When pressed, Windows will go into a context-sensitive help mode and wxWindows will send
-a wxEVT\_HELP event if the user clicked on an application window. {\it Note} that this is an extended
+caption. When pressed, Windows will go into a context-sensitive help mode and wxWidgets will send
+a wxEVT\_HELP event if the user clicked on an application window. {\it Note}\ that this is an extended
style and must be set by calling \helpref{SetExtraStyle}{wxwindowsetextrastyle} before Create is called (two-step construction).}
+\twocolitem{\windowstyle{wxDIALOG\_EX\_METAL}}{On Mac OS X, frames with this style will be shown with a metallic look. This is an {\it extra} style.}
\end{twocollist}
Under Unix or Linux, MWM (the Motif Window Manager) or other window managers
-reckognizing the MHM hints should be running for any of these styles to have an
+recognizing the MHM hints should be running for any of these styles to have an
effect.
See also \helpref{Generic window styles}{windowstyles}.
\wxheading{See also}
-\helpref{wxDialog overview}{wxdialogoverview}, \helpref{wxFrame}{wxframe}, \helpref{Resources}{resources},\rtfsp
+\helpref{wxDialog overview}{wxdialogoverview}, \helpref{wxFrame}{wxframe},\rtfsp
\helpref{Validator overview}{validatoroverview}
\latexignore{\rtfignore{\wxheading{Members}}}
-\membersection{wxDialog::wxDialog}\label{wxdialogconstr}
+
+\membersection{wxDialog::wxDialog}\label{wxdialogctor}
\func{}{wxDialog}{\void}
\docparam{title}{The title of the dialog.}
\docparam{pos}{The dialog position. A value of (-1, -1) indicates a default position, chosen by
-either the windowing system or wxWindows, depending on platform.}
+either the windowing system or wxWidgets, depending on platform.}
\docparam{size}{The dialog size. A value of (-1, -1) indicates a default size, chosen by
-either the windowing system or wxWindows, depending on platform.}
+either the windowing system or wxWidgets, depending on platform.}
\docparam{style}{The window style. See \helpref{wxDialog}{wxdialog}.}
\helpref{wxDialog::Create}{wxdialogcreate}
-\membersection{wxDialog::\destruct{wxDialog}}
+
+\membersection{wxDialog::\destruct{wxDialog}}\label{wxdialogdtor}
\func{}{\destruct{wxDialog}}{\void}
Destructor. Deletes any child windows before deleting the physical window.
+
\membersection{wxDialog::Centre}\label{wxdialogcentre}
\func{void}{Centre}{\param{int}{ direction = wxBOTH}}
\docparam{direction}{May be {\tt wxHORIZONTAL}, {\tt wxVERTICAL} or {\tt wxBOTH}.}
+
\membersection{wxDialog::Create}\label{wxdialogcreate}
\func{bool}{Create}{\param{wxWindow* }{parent}, \param{wxWindowID }{id},\rtfsp
\param{long}{ style = wxDEFAULT\_DIALOG\_STYLE},\rtfsp
\param{const wxString\& }{name = ``dialogBox"}}
-Used for two-step dialog box construction. See \helpref{wxDialog::wxDialog}{wxdialogconstr}\rtfsp
+Used for two-step dialog box construction. See \helpref{wxDialog::wxDialog}{wxdialogctor}\rtfsp
for details.
+
+\membersection{wxDialog::CreateButtonSizer}\label{wxdialogcreatebuttonsizer}
+
+\func{wxSizer*}{CreateButtonSizer}{\param{long}{ flags}}
+
+Creates a sizer with standard buttons. {\it flags} is a bit list
+of the following flags: wxOK, wxCANCEL, wxYES, wxNO, wxHELP, wxNO\_DEFAULT.
+
+The sizer lays out the buttons in a manner appropriate to the platform.
+
+This function simply calls \helpref{CreateStdDialogButtonSizer}{wxdialogcreatestddialogbuttonsizer}.
+
+
+\membersection{wxDialog::CreateStdDialogButtonSizer}\label{wxdialogcreatestddialogbuttonsizer}
+
+\func{wxStdDialogButtonSizer*}{CreateStdDialogButtonSizer}{\param{long}{ flags}}
+
+Creates a \helpref{wxStdDialogButtonSizer}{wxstddialogbuttonsizer} with standard buttons. {\it flags} is a bit list
+of the following flags: wxOK, wxCANCEL, wxYES, wxNO, wxHELP, wxNO\_DEFAULT.
+
+The sizer lays out the buttons in a manner appropriate to the platform.
+
+
+\membersection{wxDialog::DoOK}\label{wxdialogdook}
+
+\func{virtual bool}{DoOK}{\void}
+
+This function is called when the titlebar OK button is pressed (PocketPC only).
+A command event for the identifier returned by GetAffirmativeId is sent by
+default. You can override this function. If the function returns false, wxWidgets
+will call Close() for the dialog.
+
+
\membersection{wxDialog::EndModal}\label{wxdialogendmodal}
\func{void}{EndModal}{\param{int }{retCode}}
\helpref{wxDialog::GetReturnCode}{wxdialoggetreturncode},\rtfsp
\helpref{wxDialog::SetReturnCode}{wxdialogsetreturncode}
+
+\membersection{wxDialog::GetAffirmativeId}\label{wxdialoggetaffirmativeid}
+
+\constfunc{int}{GetAffirmativeId}{\void}
+
+Gets the identifier of the button which works like standard OK button in this
+dialog.
+
+\wxheading{See also}
+
+\helpref{wxDialog::SetAffirmativeId}{wxdialogsetaffirmativeid}
+
+
+\membersection{wxDialog::GetEscapeId}\label{wxdialoggetescapeid}
+
+\constfunc{int}{GetEscapeId}{\void}
+
+Gets the identifier of the button to map presses of \texttt{\textsc{ESC}}
+button to.
+
+\wxheading{See also}
+
+\helpref{wxDialog::SetEscapeId}{wxdialogsetescapeid}
+
+
\membersection{wxDialog::GetReturnCode}\label{wxdialoggetreturncode}
\func{int}{GetReturnCode}{\void}
\helpref{wxDialog::SetReturnCode}{wxdialogsetreturncode}, \helpref{wxDialog::ShowModal}{wxdialogshowmodal},\rtfsp
\helpref{wxDialog::EndModal}{wxdialogendmodal}
-\membersection{wxDialog::GetTitle}\label{wxdialoggettitle}
-\constfunc{wxString}{GetTitle}{\void}
+\membersection{wxDialog::GetToolBar}\label{wxdialoggettoolbar}
+
+\constfunc{wxToolBar*}{GetToolBar}{\void}
+
+On PocketPC, a dialog is automatically provided with an empty toolbar. GetToolBar
+allows you to access the toolbar and add tools to it. Removing tools and adding
+arbitrary controls are not currently supported.
+
+This function is not available on any other platform.
-Returns the title of the dialog box.
\membersection{wxDialog::Iconize}\label{wxdialogiconized}
\wxheading{Parameters}
-\docparam{iconize}{If TRUE, iconizes the dialog box; if FALSE, shows and restores it.}
+\docparam{iconize}{If true, iconizes the dialog box; if false, shows and restores it.}
\wxheading{Remarks}
Note that in Windows, iconization has no effect since dialog boxes cannot be
iconized. However, applications may need to explicitly restore dialog
boxes under Motif which have user-iconizable frames, and under Windows
-calling {\tt Iconize(FALSE)} will bring the window to the front, as does
-\rtfsp{\tt Show(TRUE)}.
+calling {\tt Iconize(false)} will bring the window to the front, as does
+\rtfsp{\tt Show(true)}.
+
\membersection{wxDialog::IsIconized}\label{wxdialogisiconized}
\constfunc{bool}{IsIconized}{\void}
-Returns TRUE if the dialog box is iconized. Windows only.
+Returns true if the dialog box is iconized. Windows only.
\wxheading{Remarks}
-Always returns FALSE under Windows since dialogs cannot be iconized.
+Always returns false under Windows since dialogs cannot be iconized.
+
\membersection{wxDialog::IsModal}\label{wxdialogismodal}
\constfunc{bool}{IsModal}{\void}
-Returns TRUE if the dialog box is modal, FALSE otherwise.
-
-\membersection{wxDialog::OnCharHook}\label{wxdialogoncharhook}
-
-\func{void}{OnCharHook}{\param{wxKeyEvent\&}{ event}}
-
-This member is called to allow the window to intercept keyboard events
-before they are processed by child windows.
-
-For more information, see \helpref{wxWindow::OnCharHook}{wxwindowoncharhook}
-
-\wxheading{Remarks}
+Returns true if the dialog box is modal, false otherwise.
-wxDialog implements this handler to fake a cancel command if the escape key has been
-pressed. This will dismiss the dialog.
\membersection{wxDialog::OnApply}\label{wxdialogonapply}
\wxheading{Remarks}
-This function calls \helpref{wxWindow::Validate}{wxwindowvalidate} and \helpref{wxWindow::TransferDataToWindow}{wxwindowtransferdatatowindow}.
+This function calls \helpref{wxWindow::Validate}{wxwindowvalidate} and \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow}.
\wxheading{See also}
\helpref{wxDialog::OnOK}{wxdialogonok}, \helpref{wxDialog::OnCancel}{wxdialogoncancel}
+
\membersection{wxDialog::OnCancel}\label{wxdialogoncancel}
\func{void}{OnCancel}{\param{wxCommandEvent\& }{event}}
\wxheading{Remarks}
The function either calls {\bf EndModal(wxID\_CANCEL)} if the dialog is modal, or
-sets the return value to wxID\_CANCEL and calls {\bf Show(FALSE)} if the dialog is modeless.
+sets the return value to wxID\_CANCEL and calls {\bf Show(false)} if the dialog is modeless.
\wxheading{See also}
\helpref{wxDialog::OnOK}{wxdialogonok}, \helpref{wxDialog::OnApply}{wxdialogonapply}
+
\membersection{wxDialog::OnOK}\label{wxdialogonok}
\func{void}{OnOK}{\param{wxCommandEvent\& }{event}}
The function calls
\rtfsp\helpref{wxWindow::Validate}{wxwindowvalidate}, then \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow}.
-If this returns TRUE, the function either calls {\bf EndModal(wxID\_OK)} if the dialog is modal, or
-sets the return value to wxID\_OK and calls {\bf Show(FALSE)} if the dialog is modeless.
+If this returns true, the function either calls {\bf EndModal(wxID\_OK)} if the dialog is modal, or
+sets the return value to wxID\_OK and calls {\bf Show(false)} if the dialog is modeless.
\wxheading{See also}
\helpref{wxDialog::OnCancel}{wxdialogoncancel}, \helpref{wxDialog::OnApply}{wxdialogonapply}
+
\membersection{wxDialog::OnSysColourChanged}\label{wxdialogonsyscolourchanged}
\func{void}{OnSysColourChanged}{\param{wxSysColourChangedEvent\& }{event}}
Changes the dialog's colour to conform to the current settings (Windows only).
Add an event table entry for your dialog class if you wish the behaviour
to be different (such as keeping a user-defined
-background colour). If you do override this function, call \helpref{wxWindow::OnSysColourChanged}{wxwindowonsyscolourchanged} to
+background colour). If you do override this function, call wxEvent::Skip to
propagate the notification to child windows and controls.
\wxheading{See also}
\helpref{wxSysColourChangedEvent}{wxsyscolourchangedevent}
+
+\membersection{wxDialog::SetAffirmativeId}\label{wxdialogsetaffirmativeid}
+
+\func{void}{SetAffirmativeId}{\param{int }{id}}
+
+Sets the identifier to be used as OK button. When the button with this
+identifier is pressed, the dialog calls \helpref{Validate}{wxwindowvalidate}
+and \helpref{wxWindow::TransferDataFromWindow}{wxwindowtransferdatafromwindow}
+and, if they both return \true, closes the dialog with \texttt{wxID\_OK} return
+code.
+
+Also, when the user presses a hardware OK button on the devices having one or
+the special OK button in the PocketPC title bar, an event with this id is
+generated.
+
+By default, the affirmative id is wxID\_OK.
+
+\wxheading{See also}
+
+\helpref{wxDialog::GetAffirmativeId}{wxdialoggetaffirmativeid}, \helpref{wxDialog::SetEscapeId}{wxdialogsetescapeid}
+
+
+\membersection{wxDialog::SetEscapeId}\label{wxdialogsetescapeid}
+
+\func{void}{SetEscapeId}{\param{int }{id}}
+
+Sets the identifier of the button which should work like the standard
+\texttt{\textsc{Cancel}} button in this dialog. When the button with this id is
+clicked, the dialog is closed. Also, when the user presses \texttt{\textsc{ESC}}
+key in the dialog or closes the dialog using the close button in the title bar,
+this is mapped to the click of the button with the specified id.
+
+By default, the escape id is the special value \texttt{wxID\_ANY} meaning that
+\texttt{wxID\_CANCEL} button is used if it's present in the dialog and
+otherwise the button with \helpref{GetAffirmativeId()}{wxdialoggetaffirmativeid}
+is used. Another special value for \arg{id} is \texttt{wxID\_NONE} meaning that
+\texttt{\textsc{ESC}} presses should be ignored. If any other value is given, it
+is interpreted as the id of the button to map the escape key to.
+
+
\membersection{wxDialog::SetIcon}\label{wxdialogseticon}
\func{void}{SetIcon}{\param{const wxIcon\& }{icon}}
See also \helpref{wxIcon}{wxicon}.
+
\membersection{wxDialog::SetIcons}\label{wxdialogseticons}
\func{void}{SetIcons}{\param{const wxIconBundle\& }{icons}}
See also \helpref{wxIconBundle}{wxiconbundle}.
+
\membersection{wxDialog::SetModal}\label{wxdialogsetmodal}
\func{void}{SetModal}{\param{const bool}{ flag}}
-{\bf NB:} This function is deprecated and doesn't work for all ports, just use
+{\bf NB:} This function is deprecated and doesn't work for all ports, just use
\helpref{ShowModal}{wxdialogshowmodal} to show a modal dialog instead.
Allows the programmer to specify whether the dialog box is modal (wxDialog::Show blocks control
\wxheading{Parameters}
-\docparam{flag}{If TRUE, the dialog will be modal, otherwise it will be modeless.}
+\docparam{flag}{If true, the dialog will be modal, otherwise it will be modeless.}
+
\membersection{wxDialog::SetReturnCode}\label{wxdialogsetreturncode}
\helpref{wxDialog::GetReturnCode}{wxdialoggetreturncode}, \helpref{wxDialog::ShowModal}{wxdialogshowmodal},\rtfsp
\helpref{wxDialog::EndModal}{wxdialogendmodal}
-\membersection{wxDialog::SetTitle}\label{wxdialogsettitle}
-
-\func{void}{SetTitle}{\param{const wxString\& }{ title}}
-
-Sets the title of the dialog box.
-
-\wxheading{Parameters}
-
-\docparam{title}{The dialog box title.}
\membersection{wxDialog::Show}\label{wxdialogshow}
\wxheading{Parameters}
-\docparam{show}{If TRUE, the dialog box is shown and brought to the front;
-otherwise the box is hidden. If FALSE and the dialog is
+\docparam{show}{If true, the dialog box is shown and brought to the front;
+otherwise the box is hidden. If false and the dialog is
modal, control is returned to the calling program.}
\wxheading{Remarks}
The preferred way of dismissing a modal dialog is to use \helpref{wxDialog::EndModal}{wxdialogendmodal}.
+
\membersection{wxDialog::ShowModal}\label{wxdialogshowmodal}
\func{int}{ShowModal}{\void}
\helpref{wxDialog::EndModal}{wxdialogendmodal},\rtfsp
\helpref{wxDialog:GetReturnCode}{wxdialoggetreturncode},\rtfsp
\helpref{wxDialog::SetReturnCode}{wxdialogsetreturncode}
-