71a0f42d2a
This method is/will be needed by wxNonOwnedWindow in wxOSX but couldn't be used as long as it was protected, so make it public. And as it seems that it might be useful outside of wx itself, document it as well. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65260 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
533 lines
17 KiB
Objective-C
533 lines
17 KiB
Objective-C
/////////////////////////////////////////////////////////////////////////////
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// Name: toplevel.h
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// Purpose: interface of wxTopLevelWindow
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// Author: wxWidgets team
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// RCS-ID: $Id$
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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/**
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Styles used with wxTopLevelWindow::RequestUserAttention().
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*/
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enum
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{
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wxUSER_ATTENTION_INFO = 1, ///< Requests user attention,
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wxUSER_ATTENTION_ERROR = 2 ///< Results in a more drastic action.
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};
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/**
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Styles used with wxTopLevelWindow::ShowFullScreen().
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*/
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enum
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{
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wxFULLSCREEN_NOMENUBAR = 0x0001, ///< Don't display the menu bar.
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wxFULLSCREEN_NOTOOLBAR = 0x0002, ///< Don't display toolbar bars.
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wxFULLSCREEN_NOSTATUSBAR = 0x0004, ///< Don't display the status bar.
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wxFULLSCREEN_NOBORDER = 0x0008, ///< Don't display any border.
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wxFULLSCREEN_NOCAPTION = 0x0010, ///< Don't display a caption.
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/**
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Combination of all above, will display the least possible.
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*/
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wxFULLSCREEN_ALL = wxFULLSCREEN_NOMENUBAR | wxFULLSCREEN_NOTOOLBAR |
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wxFULLSCREEN_NOSTATUSBAR | wxFULLSCREEN_NOBORDER |
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wxFULLSCREEN_NOCAPTION
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};
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/**
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@class wxTopLevelWindow
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wxTopLevelWindow is a common base class for wxDialog and wxFrame. It is an
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abstract base class meaning that you never work with objects of this class
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directly, but all of its methods are also applicable for the two classes
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above.
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Note that the instances of wxTopLevelWindow are managed by wxWidgets in the
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internal top level window list.
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@beginEventEmissionTable
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@event{EVT_ACTIVATE(id, func)}
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Process a @c wxEVT_MAXIMIZE event. See wxMaximizeEvent.
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@event{EVT_MOVE(func)}
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Process a @c wxEVT_MOVE event, which is generated when a window is moved.
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See wxMoveEvent.
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@event{EVT_MOVE_START(func)}
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Process a @c wxEVT_MOVE_START event, which is generated when the user starts
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to move or size a window. wxMSW only.
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See wxMoveEvent.
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@event{EVT_MOVE_END(func)}
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Process a @c wxEVT_MOVE_END event, which is generated when the user stops
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moving or sizing a window. wxMSW only.
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See wxMoveEvent.
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@endEventTable
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@library{wxcore}
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@category{managedwnd}
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@see wxDialog, wxFrame
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*/
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class wxTopLevelWindow : public wxWindow
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{
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public:
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/**
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Default ctor.
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*/
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wxTopLevelWindow();
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/**
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Constructor creating the top level window.
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*/
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wxTopLevelWindow(wxWindow *parent,
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wxWindowID winid,
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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_FRAME_STYLE,
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const wxString& name = wxFrameNameStr);
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/**
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Destructor. Remember that wxTopLevelWindows do not get immediately
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destroyed when the user (or the app) closes them; they have a
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@b delayed destruction.
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See @ref overview_windowdeletion for more info.
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*/
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virtual ~wxTopLevelWindow();
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/**
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Creates the top level window.
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*/
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bool Create(wxWindow *parent,
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wxWindowID id,
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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_FRAME_STYLE,
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const wxString& name = wxFrameNameStr);
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/**
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Returns @true if the platform supports making the window translucent.
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@see SetTransparent()
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*/
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virtual bool CanSetTransparent();
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/**
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A synonym for CentreOnScreen().
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*/
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void CenterOnScreen(int direction);
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/**
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Centres the window on screen.
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@param direction
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Specifies the direction for the centering. May be @c wxHORIZONTAL,
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@c wxVERTICAL or @c wxBOTH.
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@see wxWindow::CentreOnParent()
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*/
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void CentreOnScreen(int direction = wxBOTH);
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/**
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Enables or disables the Close button (most often in the right upper
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corner of a dialog) and the Close entry of the system menu (most often
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in the left upper corner of the dialog).
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Currently only implemented for wxMSW and wxGTK.
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Returns @true if operation was successful. This may be wrong on X11
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(including GTK+) where the window manager may not support this operation
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and there is no way to find out.
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*/
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virtual bool EnableCloseButton(bool enable = true);
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/**
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Returns a pointer to the button which is the default for this window, or
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@c @NULL. The default button is the one activated by pressing the Enter
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key.
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*/
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wxWindow* GetDefaultItem() const;
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/**
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Get the default size for a new top level window.
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This is used internally by wxWidgets on some platforms to determine the
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default size for a window created using ::wxDefaultSize so it is not
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necessary to use it when creating a wxTopLevelWindow, however it may be
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useful if a rough estimation of the window size is needed for some
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other reason.
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@since 2.9.2
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*/
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static wxSize GetDefaultSize();
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/**
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Returns the standard icon of the window. The icon will be invalid if it
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hadn't been previously set by SetIcon().
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@see GetIcons()
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*/
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wxIcon GetIcon() const;
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/**
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Returns all icons associated with the window, there will be none of them
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if neither SetIcon() nor SetIcons() had been called before. Use
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GetIcon() to get the main icon of the window.
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@see wxIconBundle
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*/
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const wxIconBundle& GetIcons() const;
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/**
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Gets a string containing the window title.
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@see SetTitle()
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*/
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virtual wxString GetTitle() const;
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/**
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Unique to the wxWinCE port. Responds to showing/hiding SIP (soft input
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panel) area and resize window accordingly. Override this if you want to
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avoid resizing or do additional operations.
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*/
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virtual bool HandleSettingChange(WXWPARAM wParam,
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WXLPARAM lParam);
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/**
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Iconizes or restores the window.
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@param iconize
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If @true, iconizes the window; if @false, shows and restores it.
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@see IsIconized(), Maximize(), wxIconizeEvent.
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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 this window is currently active, i.e. if the user is
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currently working with it.
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*/
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virtual bool IsActive();
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/**
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Returns @true if this window is expected to be always maximized, either
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due to platform policy or due to local policy regarding particular
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class.
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*/
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virtual bool IsAlwaysMaximized() const;
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/**
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Returns @true if the window is in fullscreen mode.
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@see ShowFullScreen()
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*/
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virtual bool IsFullScreen() const;
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/**
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Returns @true if the window is iconized.
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*/
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virtual bool IsIconized() const;
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/**
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Returns @true if the window is maximized.
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*/
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virtual bool IsMaximized() const;
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/**
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This method is specific to wxUniversal port.
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Returns @true if this window is using native decorations, @false if we
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draw them ourselves.
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@see UseNativeDecorations(),
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UseNativeDecorationsByDefault()
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*/
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bool IsUsingNativeDecorations() const;
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/**
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See wxWindow::SetAutoLayout(): when auto layout is on, this function gets
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called automatically when the window is resized.
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*/
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virtual bool Layout();
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/**
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Maximizes or restores the window.
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@param maximize
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If @true, maximizes the window, otherwise it restores it.
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@see Iconize()
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*/
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virtual void Maximize(bool maximize = true);
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/**
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Use a system-dependent way to attract users attention to the window when
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it is in background.
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@a flags may have the value of either @c ::wxUSER_ATTENTION_INFO
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(default) or @c ::wxUSER_ATTENTION_ERROR which results in a more drastic
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action. When in doubt, use the default value.
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@note This function should normally be only used when the application
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is not already in foreground.
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This function is currently implemented for Win32 where it flashes
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the window icon in the taskbar, and for wxGTK with task bars
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supporting it.
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*/
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virtual void RequestUserAttention(int flags = wxUSER_ATTENTION_INFO);
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/**
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Changes the default item for the panel, usually @a win is a button.
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@see GetDefaultItem()
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*/
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wxWindow* SetDefaultItem(wxWindow* win);
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/**
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Sets the icon for this window.
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@param icon
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The wxIcon to associate with this window.
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@remarks The window takes a 'copy' of @a icon, but since it uses
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reference counting, the copy is very quick. It is safe to
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delete @a icon after calling this function.
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@note In wxMSW, @a icon must be either 16x16 or 32x32 icon.
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@see wxIcon, SetIcons()
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*/
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void SetIcon(const wxIcon& icon);
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/**
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Sets several icons of different sizes for this window: this allows to
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use different icons for different situations (e.g. task switching bar,
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taskbar, window title bar) instead of scaling, with possibly bad looking
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results, the only icon set by SetIcon().
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@param icons
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The icons to associate with this window.
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@note In wxMSW, @a icons must contain a 16x16 or 32x32 icon,
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preferably both.
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@see wxIconBundle
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*/
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virtual void SetIcons(const wxIconBundle& icons);
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/**
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Sets action or menu activated by pressing left hardware button on the
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smart phones. Unavailable on full keyboard machines.
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@param id
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Identifier for this button.
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@param label
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Text to be displayed on the screen area dedicated to this hardware
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button.
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@param subMenu
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The menu to be opened after pressing this hardware button.
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@see SetRightMenu().
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*/
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void SetLeftMenu(int id = wxID_ANY,
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const wxString& label = wxEmptyString,
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wxMenu* subMenu = NULL);
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/**
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A simpler interface for setting the size hints than SetSizeHints().
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*/
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virtual void SetMaxSize(const wxSize& size);
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/**
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A simpler interface for setting the size hints than SetSizeHints().
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*/
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virtual void SetMinSize(const wxSize& size);
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/**
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Sets action or menu activated by pressing right hardware button on the
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smart phones. Unavailable on full keyboard machines.
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@param id
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Identifier for this button.
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@param label
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Text to be displayed on the screen area dedicated to this hardware
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button.
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@param subMenu
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The menu to be opened after pressing this hardware button.
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@see SetLeftMenu().
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*/
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void SetRightMenu(int id = wxID_ANY,
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const wxString& label = wxEmptyString,
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wxMenu* subMenu = NULL);
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/**
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If the platform supports it, sets the shape of the window to that
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depicted by @a region. The system will not display or respond to any
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mouse event for the pixels that lie outside of the region. To reset the
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window to the normal rectangular shape simply call SetShape() again with
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an empty wxRegion. Returns @true if the operation is successful.
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*/
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virtual bool SetShape(const wxRegion& region);
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/**
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Allows specification of minimum and maximum window sizes, and window
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size increments. If a pair of values is not set (or set to -1), no
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constraints will be used.
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@param minW
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The minimum width.
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@param minH
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The minimum height.
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@param maxW
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The maximum width.
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@param maxH
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The maximum height.
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@param incW
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Specifies the increment for sizing the width (GTK/Motif/Xt only).
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@param incH
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Specifies the increment for sizing the height (GTK/Motif/Xt only).
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@remarks Notice that this function not only prevents the user from
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resizing the window outside the given bounds but it also
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prevents the program itself from doing it using
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wxWindow::SetSize().
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*/
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virtual void SetSizeHints(int minW, int minH,
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int maxW = -1, int maxH = -1,
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int incW = -1, int incH = -1);
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/**
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Allows specification of minimum and maximum window sizes, and window
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size increments. If a pair of values is not set (or set to -1), no
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constraints will be used.
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@param minSize
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The minimum size of the window.
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@param maxSize
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The maximum size of the window.
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@param incSize
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Increment size (only taken into account under X11-based ports such
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as wxGTK/wxMotif/wxX11).
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@remarks Notice that this function not only prevents the user from
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resizing the window outside the given bounds but it also
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prevents the program itself from doing it using
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wxWindow::SetSize().
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*/
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void SetSizeHints(const wxSize& minSize,
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const wxSize& maxSize = wxDefaultSize,
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const wxSize& incSize = wxDefaultSize);
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/**
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Sets the window title.
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@param title
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The window title.
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@see GetTitle()
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*/
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virtual void SetTitle(const wxString& title);
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/**
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If the platform supports it will set the window to be translucent.
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@param alpha
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Determines how opaque or transparent the window will be, if the
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platform supports the opreration. A value of 0 sets the window to be
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fully transparent, and a value of 255 sets the window to be fully
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opaque.
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*/
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virtual bool SetTransparent(wxByte alpha);
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/**
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This virtual function is not meant to be called directly but can be
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overridden to return @false (it returns @true by default) to allow the
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application to close even if this, presumably not very important, window
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is still opened. By default, the application stays alive as long as
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there are any open top level windows.
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*/
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virtual bool ShouldPreventAppExit() const;
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/**
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This function sets the wxTopLevelWindow's modified state on OS X,
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which currently draws a black dot in the wxTopLevelWindow's close button.
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On other platforms, this method does nothing.
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@see OSXIsModified()
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*/
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virtual void OSXSetModified(bool modified);
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/**
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Returns the current modified state of the wxTopLevelWindow on OS X.
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On other platforms, this method does nothing.
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@see OSXSetModified()
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*/
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virtual bool OSXIsModified() const;
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/**
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Depending on the value of @a show parameter the window is either shown
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full screen or restored to its normal state. @a style is a bit list
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containing some or all of the following values, which indicate what
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elements of the window to hide in full-screen mode:
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- @c ::wxFULLSCREEN_NOMENUBAR
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- @c ::wxFULLSCREEN_NOTOOLBAR
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- @c ::wxFULLSCREEN_NOSTATUSBAR
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- @c ::wxFULLSCREEN_NOBORDER
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- @c ::wxFULLSCREEN_NOCAPTION
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- @c ::wxFULLSCREEN_ALL (all of the above)
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This function has not been tested with MDI frames.
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@note Showing a window full screen also actually @ref wxWindow::Show()
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"Show()"s the window if it isn't shown.
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@see IsFullScreen()
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*/
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virtual bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL);
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/**
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This method is specific to wxUniversal port.
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Use native or custom-drawn decorations for this window only. Notice that
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to have any effect this method must be called before really creating the
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window, i.e. two step creation must be used:
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@code
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MyFrame *frame = new MyFrame; // use default ctor
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frame->UseNativeDecorations(false); // change from default "true"
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frame->Create(parent, title, ...); // really create the frame
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@endcode
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@see UseNativeDecorationsByDefault(),
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IsUsingNativeDecorations()
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*/
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void UseNativeDecorations(bool native = true);
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/**
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This method is specific to wxUniversal port.
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Top level windows in wxUniversal port can use either system-provided
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window decorations (i.e. title bar and various icons, buttons and menus
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in it) or draw the decorations themselves. By default the system
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decorations are used if they are available, but this method can be
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called with @a native set to @false to change this for all windows
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created after this point.
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Also note that if @c WXDECOR environment variable is set, then custom
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decorations are used by default and so it may make sense to call this
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method with default argument if the application can't use custom
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decorations at all for some reason.
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@see UseNativeDecorations()
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*/
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void UseNativeDecorationsByDefault(bool native = true);
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};
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