526954c596
Use "wxWindows licence" and not "wxWidgets licence" (the latter doesn't exist) and consistently spell "licence" using British spelling. See #12165. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@64940 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
520 lines
17 KiB
Objective-C
520 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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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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