8282c1be0f
Windows CE doesn't seem to be supported by Microsoft any longer. Last CE release was in early 2013 and the PocketPC and Smartphone targets supported by wxWidgets are long gone. The build files where already removed in an earlier cleanup this commit removes all files, every #ifdef and all documentation regarding the Windows CE support. Closes https://github.com/wxWidgets/wxWidgets/pull/81
720 lines
25 KiB
Objective-C
720 lines
25 KiB
Objective-C
/////////////////////////////////////////////////////////////////////////////
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// Name: dialog.h
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// Purpose: interface of wxDialog
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// Author: wxWidgets team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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/**
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Modes used for wxDialog::SetLayoutAdaptationMode().
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*/
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enum wxDialogLayoutAdaptationMode
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{
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wxDIALOG_ADAPTATION_MODE_DEFAULT = 0, ///< Use global adaptation enabled status.
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wxDIALOG_ADAPTATION_MODE_ENABLED = 1, ///< Enable this dialog overriding global status.
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wxDIALOG_ADAPTATION_MODE_DISABLED = 2 ///< Disable this dialog overriding global status.
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};
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#define wxDIALOG_NO_PARENT 0x00000020 ///< Don't make owned by apps top window
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#define wxDEFAULT_DIALOG_STYLE (wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX)
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#define wxDIALOG_ADAPTATION_NONE 0 ///< Don't do any layout adaptation
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#define wxDIALOG_ADAPTATION_STANDARD_SIZER 1 ///< Only look for wxStdDialogButtonSizer for non-scrolling part
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#define wxDIALOG_ADAPTATION_ANY_SIZER 2 ///< Also look for any suitable sizer for non-scrolling part
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#define wxDIALOG_ADAPTATION_LOOSE_BUTTONS 3 ///< Also look for 'loose' standard buttons for non-scrolling part
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/**
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@class wxDialog
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A dialog box is a window with a title bar and sometimes a system menu,
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which can be moved around the screen. It can contain controls and other
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windows and is often used to allow the user to make some choice or to
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answer a question.
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Dialogs can be made scrollable, automatically, for computers with low
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resolution screens: please see @ref overview_dialog_autoscrolling for
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further details.
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Dialogs usually contain either a single button allowing to close the
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dialog or two buttons, one accepting the changes and the other one
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discarding them (such button, if present, is automatically activated if the
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user presses the "Esc" key). By default, buttons with the standard wxID_OK
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and wxID_CANCEL identifiers behave as expected. Starting with wxWidgets 2.7
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it is also possible to use a button with a different identifier instead,
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see SetAffirmativeId() and SetEscapeId().
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Also notice that the CreateButtonSizer() should be used to create the
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buttons appropriate for the current platform and positioned correctly
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(including their order which is platform-dependent).
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@section dialog_modal Modal and Modeless
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There are two kinds of dialog, modal and modeless. A modal dialog blocks
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program flow and user input on other windows until it is dismissed, whereas
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a modeless dialog behaves more like a frame in that program flow continues,
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and input in other windows is still possible. To show a modal dialog you
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should use the ShowModal() method while to show a dialog modelessly you
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simply use Show(), just as with frames.
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Note that the modal dialog is one of the very few examples of
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wxWindow-derived objects which may be created on the stack and not on the
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heap. In other words, while most windows would be created like this:
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@code
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void AskUser()
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{
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MyAskDialog *dlg = new MyAskDialog(...);
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if ( dlg->ShowModal() == wxID_OK )
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// ...
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//else: dialog was cancelled or some another button pressed
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dlg->Destroy();
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}
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@endcode
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You can achieve the same result with dialogs by using simpler code:
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@code
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void AskUser()
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{
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MyAskDialog dlg(...);
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if ( dlg.ShowModal() == wxID_OK )
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// ...
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// no need to call Destroy() here
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}
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@endcode
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An application can define a wxCloseEvent handler for the dialog to respond
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to system close events.
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@beginStyleTable
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@style{wxCAPTION}
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Puts a caption on the dialog box.
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@style{wxDEFAULT_DIALOG_STYLE}
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Equivalent to a combination of wxCAPTION, wxCLOSE_BOX and
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wxSYSTEM_MENU (the last one is not used under Unix).
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@style{wxRESIZE_BORDER}
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Display a resizable frame around the window.
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@style{wxSYSTEM_MENU}
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Display a system menu.
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@style{wxCLOSE_BOX}
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Displays a close box on the frame.
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@style{wxMAXIMIZE_BOX}
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Displays a maximize box on the dialog.
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@style{wxMINIMIZE_BOX}
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Displays a minimize box on the dialog.
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@style{wxTHICK_FRAME}
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Display a thick frame around the window.
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@style{wxSTAY_ON_TOP}
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The dialog stays on top of all other windows.
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@style{wxNO_3D}
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This style is obsolete and doesn't do anything any more, don't use
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it in any new code.
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@style{wxDIALOG_NO_PARENT}
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By default, a dialog created with a @NULL parent window will be
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given the @ref wxApp::GetTopWindow() "application's top level window"
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as parent. Use this style to prevent this from happening and create
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an orphan dialog. This is not recommended for modal dialogs.
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@style{wxDIALOG_EX_CONTEXTHELP}
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Under Windows, puts a query button on the caption. When pressed,
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Windows will go into a context-sensitive help mode and wxWidgets
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will send a @c wxEVT_HELP event if the user clicked on an application
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window. Note that this is an extended style and must be set by
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calling SetExtraStyle() before Create is called (two-step
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construction).
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@style{wxDIALOG_EX_METAL}
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On Mac OS X, frames with this style will be shown with a metallic
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look. This is an extra style.
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@endStyleTable
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Under Unix or Linux, MWM (the Motif Window Manager) or other window
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managers recognizing the MHM hints should be running for any of these
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styles to have an effect.
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@beginEventEmissionTable{wxCloseEvent}
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@event{EVT_CLOSE(func)}
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The dialog is being closed by the user or programmatically (see wxWindow::Close).
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The user may generate this event clicking the close button
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(typically the 'X' on the top-right of the title bar) if it's present
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(see the @c wxCLOSE_BOX style) or by clicking a button with the
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@c wxID_CANCEL or @c wxID_OK ids.
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@event{EVT_INIT_DIALOG(func)}
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Process a @c wxEVT_INIT_DIALOG event. See wxInitDialogEvent.
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@endEventTable
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@library{wxcore}
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@category{cmndlg}
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@see @ref overview_dialog, wxFrame, @ref overview_validator
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*/
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class wxDialog : public wxTopLevelWindow
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{
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public:
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/**
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Default constructor.
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*/
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wxDialog();
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/**
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Constructor.
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@param parent
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Can be @NULL, a frame or another dialog box.
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@param id
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An identifier for the dialog. A value of -1 is taken to mean a
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default.
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@param title
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The title of the dialog.
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@param pos
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The dialog position. The value wxDefaultPosition indicates a
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default position, chosen by either the windowing system or
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wxWidgets, depending on platform.
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@param size
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The dialog size. The value wxDefaultSize indicates a default size,
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chosen by either the windowing system or wxWidgets, depending on
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platform.
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@param style
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The window style.
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@param name
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Used to associate a name with the window, allowing the application
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user to set Motif resource values for individual dialog boxes.
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@see Create()
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*/
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wxDialog(wxWindow* parent, wxWindowID id, const wxString& title,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxDEFAULT_DIALOG_STYLE,
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const wxString& name = wxDialogNameStr);
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/**
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Destructor.
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Deletes any child windows before deleting the physical window.
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See @ref overview_windowdeletion for more info.
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*/
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virtual ~wxDialog();
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/**
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Adds an identifier to be regarded as a main button for the
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non-scrolling area of a dialog.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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void AddMainButtonId(wxWindowID id);
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/**
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Returns @true if this dialog can and should perform layout adaptation
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using DoLayoutAdaptation(), usually if the dialog is too large to fit
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on the display.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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virtual bool CanDoLayoutAdaptation();
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/**
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Centres the dialog box on the display.
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@param direction
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May be wxHORIZONTAL, wxVERTICAL or wxBOTH.
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*/
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void Centre(int direction = wxBOTH);
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/**
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Used for two-step dialog box construction.
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@see wxDialog()
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*/
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bool Create(wxWindow* parent, wxWindowID id, const wxString& title,
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const wxPoint& pos = wxDefaultPosition,
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const wxSize& size = wxDefaultSize,
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long style = wxDEFAULT_DIALOG_STYLE,
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const wxString& name = wxDialogNameStr);
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/**
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Creates a sizer with standard buttons. @a flags is a bit list of the
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following flags: wxOK, wxCANCEL, wxYES, wxNO, wxAPPLY, wxCLOSE, wxHELP,
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wxNO_DEFAULT.
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The sizer lays out the buttons in a manner appropriate to the platform.
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This function uses CreateStdDialogButtonSizer() internally for most
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platforms but doesn't create the sizer at all for the platforms with
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hardware buttons (such as smartphones) for which it sets up the
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hardware buttons appropriately and returns @NULL, so don't forget to
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test that the return value is valid before using it.
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*/
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wxSizer* CreateButtonSizer(long flags);
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/**
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Creates a sizer with standard buttons using CreateButtonSizer()
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separated from the rest of the dialog contents by a horizontal
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wxStaticLine.
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@note Just like CreateButtonSizer(), this function may return @NULL if
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no buttons were created.
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This is a combination of CreateButtonSizer() and
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CreateSeparatedSizer().
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*/
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wxSizer* CreateSeparatedButtonSizer(long flags);
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/**
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Returns the sizer containing the given one with a separating
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wxStaticLine if necessarily.
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This function is useful for creating the sizer containing footer-like
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contents in dialog boxes. It will add a separating static line only if
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it conforms to the current platform convention (currently it is not
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added under Mac where the use of static lines for grouping is
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discouraged and is added elsewhere).
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@since 2.9.2
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@param sizer The sizer to wrap, must be non-@NULL.
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@return The sizer wrapping the input one or possibly the input sizer
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itself if no wrapping is necessary.
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*/
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wxSizer *CreateSeparatedSizer(wxSizer *sizer);
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/**
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Creates a wxStdDialogButtonSizer with standard buttons. @a flags is a
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bit list of the following flags: wxOK, wxCANCEL, wxYES, wxNO, wxAPPLY,
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wxCLOSE, wxHELP, wxNO_DEFAULT.
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The sizer lays out the buttons in a manner appropriate to the platform.
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*/
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wxStdDialogButtonSizer* CreateStdDialogButtonSizer(long flags);
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/**
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Splits text up at newlines and places the lines into wxStaticText
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objects in a vertical wxBoxSizer.
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*/
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wxSizer *CreateTextSizer( const wxString& message );
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/**
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Performs layout adaptation, usually if the dialog is too large to fit
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on the display.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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virtual bool DoLayoutAdaptation();
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/**
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A static function enabling or disabling layout adaptation for all
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dialogs.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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static void EnableLayoutAdaptation(bool enable);
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/**
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Ends a modal dialog, passing a value to be returned from the
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ShowModal() invocation.
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@param retCode
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The value that should be returned by ShowModal.
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@see ShowModal(), GetReturnCode(), SetReturnCode()
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*/
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virtual void EndModal(int retCode);
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/**
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Gets the identifier of the button which works like standard OK button
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in this dialog.
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@see SetAffirmativeId()
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*/
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int GetAffirmativeId() const;
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/**
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Override this to return a window containing the main content of the
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dialog. This is particularly useful when the dialog implements pages,
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such as wxPropertySheetDialog, and allows the
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@ref overview_dialog "layout adaptation code" to know that only the
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pages need to be made scrollable.
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*/
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virtual wxWindow* GetContentWindow() const;
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/**
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Gets the identifier of the button to map presses of @c ESC button to.
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@see SetEscapeId()
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*/
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int GetEscapeId() const;
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/**
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Returns @true if the dialog has been adapted, usually by making it
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scrollable to work with a small display.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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bool GetLayoutAdaptationDone() const;
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/**
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Gets a value representing the aggressiveness of search for buttons and
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sizers to be in the non-scrolling part of a layout-adapted dialog. Zero
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switches off adaptation, and 3 allows search for standard buttons
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anywhere in the dialog.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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int GetLayoutAdaptationLevel() const;
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/**
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Gets the adaptation mode, overriding the global adaptation flag.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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wxDialogLayoutAdaptationMode GetLayoutAdaptationMode() const;
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/**
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A static function getting the current layout adapter object.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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static wxDialogLayoutAdapter* GetLayoutAdapter();
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/**
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Returns an array of identifiers to be regarded as the main buttons for
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the non-scrolling area of a dialog.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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wxArrayInt& GetMainButtonIds();
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/**
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Gets the return code for this window.
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@remarks A return code is normally associated with a modal dialog,
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where ShowModal() returns a code to the application.
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@see SetReturnCode(), ShowModal(), EndModal()
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*/
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int GetReturnCode() const;
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/**
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On PocketPC, a dialog is automatically provided with an empty toolbar.
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This function allows you to access the toolbar and add tools to it.
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Removing tools and adding arbitrary controls are not currently
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supported.
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This function is not available on any other platform.
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@onlyfor{wxmsw}
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*/
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wxToolBar* GetToolBar() const;
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/**
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Iconizes or restores the dialog. Windows only.
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@param iconize
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If @true, iconizes the dialog box; if @false, shows and restores it.
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@remarks Note that in Windows, iconization has no effect since dialog
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boxes cannot be iconized. However, applications may need to
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explicitly restore dialog boxes under Motif which have
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user-iconizable frames, and under Windows calling
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Iconize(@false) will bring the window to the front, as does
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Show(@true).
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*/
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virtual void Iconize(bool iconize = true);
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/**
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Returns @true if the dialog box is iconized. Windows only.
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@remarks Always returns @false under Windows since dialogs cannot be
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iconized.
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*/
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virtual bool IsIconized() const;
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/**
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A static function returning @true if layout adaptation is enabled for
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all dialogs.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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static bool IsLayoutAdaptationEnabled();
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/**
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Returns @true if @a id is in the array of identifiers to be regarded as
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the main buttons for the non-scrolling area of a dialog.
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@onlyfor{wxmsw}
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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bool IsMainButtonId(wxWindowID id) const;
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/**
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Returns @true if the dialog box is modal, @false otherwise.
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*/
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virtual bool IsModal() const;
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/**
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Sets the identifier to be used as OK button. When the button with this
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identifier is pressed, the dialog calls wxWindow::Validate() and
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wxWindow::TransferDataFromWindow() and, if they both return @true,
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closes the dialog with the affirmative id return code.
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Also, when the user presses a hardware OK button on the devices having
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one or the special OK button in the PocketPC title bar, an event with
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this id is generated.
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By default, the affirmative id is wxID_OK.
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@see GetAffirmativeId(), SetEscapeId()
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*/
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void SetAffirmativeId(int id);
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/**
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Sets the identifier of the button which should work like the standard
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"Cancel" button in this dialog. When the button with this id is
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clicked, the dialog is closed. Also, when the user presses @c ESC key
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in the dialog or closes the dialog using the close button in the title
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bar, this is mapped to the click of the button with the specified id.
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By default, the escape id is the special value wxID_ANY meaning that
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wxID_CANCEL button is used if it's present in the dialog and otherwise
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the button with GetAffirmativeId() is used. Another special value for
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@a id is wxID_NONE meaning that @c ESC presses should be ignored. If
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any other value is given, it is interpreted as the id of the button to
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map the escape key to.
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@note This method should be used for custom modal dialog implemented in
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wxWidgets itself, native dialogs such as wxMessageDialog or
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wxFileDialog, handle @c ESC presses in their own way which cannot be
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customized.
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*/
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void SetEscapeId(int id);
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/**
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Sets the icon for this dialog.
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@param icon
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The icon to associate with this dialog.
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@see wxIcon
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*/
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void SetIcon(const wxIcon& icon);
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/**
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Sets the icons for this dialog.
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@param icons
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The icons to associate with this dialog.
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@see wxIconBundle
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*/
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void SetIcons(const wxIconBundle& icons);
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/**
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Marks the dialog as having been adapted, usually by making it
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scrollable to work with a small display.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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void SetLayoutAdaptationDone(bool done);
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/**
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Sets the aggressiveness of search for buttons and sizers to be in the
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non-scrolling part of a layout-adapted dialog. Zero switches off
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adaptation, and 3 allows search for standard buttons anywhere in the
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dialog.
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@see @ref overview_dialog_autoscrolling (for more on layout adaptation)
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*/
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void SetLayoutAdaptationLevel(int level);
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/**
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Sets the adaptation mode, overriding the global adaptation flag.
|
|
|
|
@see wxDialogLayoutAdaptationMode, @ref overview_dialog_autoscrolling
|
|
(for more on layout adaptation)
|
|
*/
|
|
void SetLayoutAdaptationMode(wxDialogLayoutAdaptationMode mode);
|
|
|
|
/**
|
|
A static function for setting the current layout adapter object,
|
|
returning the old adapter. If you call this, you should delete the old
|
|
adapter object.
|
|
|
|
@see wxDialogLayoutAdapter, @ref overview_dialog_autoscrolling
|
|
*/
|
|
static wxDialogLayoutAdapter* SetLayoutAdapter(wxDialogLayoutAdapter* adapter);
|
|
|
|
/**
|
|
Sets the return code for this window.
|
|
|
|
A return code is normally associated with a modal dialog, where
|
|
ShowModal() returns a code to the application. The function EndModal()
|
|
calls SetReturnCode().
|
|
|
|
@param retCode
|
|
The integer return code, usually a control identifier.
|
|
|
|
@see GetReturnCode(), ShowModal(), EndModal()
|
|
*/
|
|
void SetReturnCode(int retCode);
|
|
|
|
/**
|
|
Hides or shows the dialog. The preferred way of dismissing a modal
|
|
dialog is to use EndModal().
|
|
|
|
@param 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.
|
|
*/
|
|
virtual bool Show(bool show = 1);
|
|
|
|
/**
|
|
Shows an application-modal dialog.
|
|
|
|
Program flow does not return until the dialog has been dismissed with
|
|
EndModal().
|
|
|
|
Notice that it is possible to call ShowModal() for a dialog which had
|
|
been previously shown with Show(), this allows to make an existing
|
|
modeless dialog modal. However ShowModal() can't be called twice
|
|
without intervening EndModal() calls.
|
|
|
|
Note that this function creates a temporary event loop which takes
|
|
precedence over the application's main event loop (see wxEventLoopBase)
|
|
and which is destroyed when the dialog is dismissed.
|
|
This also results in a call to wxApp::ProcessPendingEvents().
|
|
|
|
@return The value set with SetReturnCode().
|
|
|
|
@see ShowWindowModal(), ShowWindowModalThenDo(),
|
|
EndModal(), GetReturnCode(), SetReturnCode()
|
|
*/
|
|
virtual int ShowModal();
|
|
|
|
/**
|
|
Shows a dialog modal to the parent top level window only.
|
|
|
|
Unlike ShowModal(), dialogs shown with this function only prevent the
|
|
user from interacting with their parent frame only but not with the
|
|
rest of the application. They also don't block the program execution
|
|
but instead return immediately, as Show(), and generate a
|
|
wxEVT_WINDOW_MODAL_DIALOG_CLOSED event (wxWindowModalDialogEvent)
|
|
later when the dialog is closed.
|
|
|
|
Currently this function is only fully implemented in wxOSX ports, under
|
|
the other platforms it behaves like ShowModal() (but also sends the
|
|
above mentioned event).
|
|
|
|
@see wxWindowModalDialogEvent, ShowWindowModalThenDo()
|
|
|
|
@since 2.9.0
|
|
*/
|
|
void ShowWindowModal();
|
|
|
|
/**
|
|
Shows a dialog modal to the parent top level window only and call a
|
|
functor after the dialog is closed.
|
|
|
|
Same as the other ShowWindowModal() overload, but calls the functor
|
|
passed as the argument upon completion, instead of generating the
|
|
wxEVT_WINDOW_MODAL_DIALOG_CLOSED event.
|
|
|
|
This form is particularly useful in combination with C++11 lambdas,
|
|
when it allows writing window-modal very similarly to how ShowModal()
|
|
is used (with the notable exception of not being able to create
|
|
the dialog on stack):
|
|
|
|
@code
|
|
wxWindowPtr<wxDialog> dlg(new wxMessageDialog(this, "Hello!"));
|
|
|
|
dlg->ShowWindowModalThenDo([this,dlg](int retcode){
|
|
if ( retcode == wxID_OK )
|
|
DoSomething();
|
|
// dlg is implicitly destroyed here, because the pointer was
|
|
// explicitly captured by the lambda
|
|
});
|
|
@endcode
|
|
|
|
@param onEndModal Function object to call when the dialog is
|
|
closed. The functor is called with a single
|
|
integer argument, dialog's return code.
|
|
|
|
@note The dialog instance must not be destroyed until @a onEndModal
|
|
is called. The best way to ensure that is to use wxWindowPtr
|
|
to hold a pointer and include it in the lambda's capture,
|
|
by value (not reference!), as shown in the example above.
|
|
|
|
@since 3.0
|
|
|
|
@see wxWindowPtr<T>
|
|
*/
|
|
template<typename Functor>
|
|
void ShowWindowModalThenDo(const Functor& onEndModal);
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
@class wxDialogLayoutAdapter
|
|
|
|
This abstract class is the base for classes that help wxWidgets perform
|
|
run-time layout adaptation of dialogs. Principally, this is to cater for
|
|
small displays by making part of the dialog scroll, but the application
|
|
developer may find other uses for layout adaption.
|
|
|
|
By default, there is one instance of wxStandardDialogLayoutAdapter which
|
|
can perform adaptation for most custom dialogs and dialogs with book
|
|
controls such as wxPropertySheetDialog.
|
|
|
|
@library{wxcore}
|
|
@category{winlayout}
|
|
|
|
@see @ref overview_dialog_autoscrolling
|
|
*/
|
|
class wxDialogLayoutAdapter
|
|
{
|
|
public:
|
|
/**
|
|
Default constructor.
|
|
*/
|
|
wxDialogLayoutAdapter();
|
|
|
|
/**
|
|
Override this to returns @true if adaptation can and should be done.
|
|
*/
|
|
virtual bool CanDoLayoutAdaptation(wxDialog* dialog) = 0;
|
|
|
|
/**
|
|
Override this to perform layout adaptation, such as making parts of the
|
|
dialog scroll and resizing the dialog to fit the display. Normally this
|
|
function will be called just before the dialog is shown.
|
|
*/
|
|
virtual bool DoLayoutAdaptation(wxDialog* dialog) = 0;
|
|
};
|
|
|
|
|
|
/**
|
|
Event sent by wxDialog::ShowWindowModal() when the dialog closes.
|
|
|
|
@since 2.9.0
|
|
*/
|
|
class wxWindowModalDialogEvent : public wxCommandEvent
|
|
{
|
|
public:
|
|
/// Constructor
|
|
wxWindowModalDialogEvent (wxEventType commandType = wxEVT_NULL, int id = 0);
|
|
|
|
/// Return the corresponding dialog.
|
|
wxDialog *GetDialog() const;
|
|
|
|
/// Return the dialog's return code.
|
|
int GetReturnCode() const;
|
|
|
|
/// Clone the event.
|
|
virtual wxEvent *Clone() const;
|
|
};
|