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wxWidgets/include/wx/toplevel.h
Robert Roebling 3e040a2981 Use wxWindowRef to hold pointer to default button 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53773 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2008-05-27 08:53:48 +00:00

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///////////////////////////////////////////////////////////////////////////////
// Name: wx/toplevel.h
// Purpose: declares wxTopLevelWindow class, the base class for all
// top level windows (such as frames and dialogs)
// Author: Vadim Zeitlin, Vaclav Slavik
// Modified by:
// Created: 06.08.01
// RCS-ID: $Id$
// Copyright: (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Vaclav Slavik <vaclav@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_TOPLEVEL_BASE_H_
#define _WX_TOPLEVEL_BASE_H_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/nonownedwnd.h"
#include "wx/iconbndl.h"
#include "wx/containr.h"
#include "wx/weakref.h"
// the default names for various classes
extern WXDLLIMPEXP_DATA_CORE(const char) wxFrameNameStr[];
class WXDLLIMPEXP_FWD_CORE wxTopLevelWindowBase;
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// style common to both wxFrame and wxDialog
#define wxSTAY_ON_TOP 0x8000
#define wxICONIZE 0x4000
#define wxMINIMIZE wxICONIZE
#define wxMAXIMIZE 0x2000
#define wxCLOSE_BOX 0x1000
#define wxSYSTEM_MENU 0x0800
#define wxMINIMIZE_BOX 0x0400
#define wxMAXIMIZE_BOX 0x0200
#define wxTINY_CAPTION_HORIZ 0x0100
#define wxTINY_CAPTION_VERT 0x0080
#define wxRESIZE_BORDER 0x0040
#if WXWIN_COMPATIBILITY_2_6
// deprecated versions defined for compatibility reasons
#define wxRESIZE_BOX wxMAXIMIZE_BOX
#define wxTHICK_FRAME wxRESIZE_BORDER
// obsolete styles, unused any more
#define wxDIALOG_MODAL 0
#define wxDIALOG_MODELESS 0
#define wxNO_3D 0
#define wxUSER_COLOURS 0
#endif // WXWIN_COMPATIBILITY_2_6
// default style
//
// under Windows CE (at least when compiling with eVC 4) we should create
// top level windows without any styles at all for them to appear
// "correctly", i.e. as full screen windows with a "hide" button (same as
// "close" but round instead of squared and just hides the applications
// instead of closing it) in the title bar
#if defined(__WXWINCE__)
#if defined(__SMARTPHONE__)
#define wxDEFAULT_FRAME_STYLE (wxMAXIMIZE)
#elif defined(__WINCE_STANDARDSDK__)
#define wxDEFAULT_FRAME_STYLE (wxMAXIMIZE|wxCLOSE_BOX)
#else
#define wxDEFAULT_FRAME_STYLE (wxNO_BORDER)
#endif
#else // !__WXWINCE__
#define wxDEFAULT_FRAME_STYLE \
(wxSYSTEM_MENU | \
wxRESIZE_BORDER | \
wxMINIMIZE_BOX | \
wxMAXIMIZE_BOX | \
wxCLOSE_BOX | \
wxCAPTION | \
wxCLIP_CHILDREN)
#endif
// Dialogs are created in a special way
#define wxTOPLEVEL_EX_DIALOG 0x00000008
// Styles for ShowFullScreen
// (note that wxTopLevelWindow only handles wxFULLSCREEN_NOBORDER and
// wxFULLSCREEN_NOCAPTION; the rest is handled by wxTopLevelWindow)
enum
{
wxFULLSCREEN_NOMENUBAR = 0x0001,
wxFULLSCREEN_NOTOOLBAR = 0x0002,
wxFULLSCREEN_NOSTATUSBAR = 0x0004,
wxFULLSCREEN_NOBORDER = 0x0008,
wxFULLSCREEN_NOCAPTION = 0x0010,
wxFULLSCREEN_ALL = wxFULLSCREEN_NOMENUBAR | wxFULLSCREEN_NOTOOLBAR |
wxFULLSCREEN_NOSTATUSBAR | wxFULLSCREEN_NOBORDER |
wxFULLSCREEN_NOCAPTION
};
// Styles for RequestUserAttention
enum
{
wxUSER_ATTENTION_INFO = 1,
wxUSER_ATTENTION_ERROR = 2
};
// ----------------------------------------------------------------------------
// wxTopLevelWindow: a top level (as opposed to child) window
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxTopLevelWindowBase : public wxNonOwnedWindow
{
public:
// construction
wxTopLevelWindowBase();
virtual ~wxTopLevelWindowBase();
// top level wnd state
// --------------------
// maximize = true => maximize, otherwise - restore
virtual void Maximize(bool maximize = true) = 0;
// undo Maximize() or Iconize()
virtual void Restore() = 0;
// iconize = true => iconize, otherwise - restore
virtual void Iconize(bool iconize = true) = 0;
// return true if the frame is maximized
virtual bool IsMaximized() const = 0;
// return true if the frame is always maximized
// due to native guidelines or current policy
virtual bool IsAlwaysMaximized() const;
// return true if the frame is iconized
virtual bool IsIconized() const = 0;
// get the frame icon
wxIcon GetIcon() const;
// get the frame icons
const wxIconBundle& GetIcons() const { return m_icons; }
// set the frame icon: implemented in terms of SetIcons()
void SetIcon(const wxIcon& icon);
// set the frame icons
virtual void SetIcons(const wxIconBundle& icons) { m_icons = icons; }
// maximize the window to cover entire screen
virtual bool ShowFullScreen(bool show, long style = wxFULLSCREEN_ALL) = 0;
// return true if the frame is in fullscreen mode
virtual bool IsFullScreen() const = 0;
// the title of the top level window: the text which the
// window shows usually at the top of the frame/dialog in dedicated bar
virtual void SetTitle(const wxString& title) = 0;
virtual wxString GetTitle() const = 0;
// enable/disable close button [x]
virtual bool EnableCloseButton(bool WXUNUSED(enable) ) { return false; }
// Set the shape of the window to the given region.
// Returns true if the platform supports this feature (and the
// operation is successful.)
virtual bool SetShape(const wxRegion& WXUNUSED(region)) { return false; }
// Attracts the users attention to this window if the application is
// inactive (should be called when a background event occurs)
virtual void RequestUserAttention(int flags = wxUSER_ATTENTION_INFO);
// Is this the active frame (highlighted in the taskbar)?
virtual bool IsActive() { return wxGetTopLevelParent(FindFocus()) == this; }
// this function may be overridden to return false to allow closing the
// application even when this top level window is still open
//
// notice that the window is still closed prior to the application exit and
// so it can still veto it even if it returns false from here
virtual bool ShouldPreventAppExit() const { return true; }
#if defined(__SMARTPHONE__)
virtual void SetLeftMenu(int id = wxID_ANY, const wxString& label = wxEmptyString, wxMenu *subMenu = NULL) = 0;
virtual void SetRightMenu(int id = wxID_ANY, const wxString& label = wxEmptyString, wxMenu *subMenu = NULL) = 0;
#endif // __SMARTPHONE__
// centre the window on screen: this is just a shortcut
void CentreOnScreen(int dir = wxBOTH) { DoCentre(dir | wxCENTRE_ON_SCREEN); }
void CenterOnScreen(int dir = wxBOTH) { CentreOnScreen(dir); }
// default item access: we have a permanent default item which is the one
// set by the user code but we may also have a temporary default item which
// would be chosen if the user pressed "Enter" now but the default action
// reverts to the "permanent" default as soon as this temporary default
// item loses focus
// get the default item, temporary or permanent
wxWindow *GetDefaultItem() const
{ return m_winTmpDefault ? m_winTmpDefault : m_winDefault; }
// set the permanent default item, return the old default
wxWindow *SetDefaultItem(wxWindow *win)
{ wxWindow *old = GetDefaultItem(); m_winDefault = win; return old; }
// return the temporary default item, can be NULL
wxWindow *GetTmpDefaultItem() const { return m_winTmpDefault; }
// set a temporary default item, SetTmpDefaultItem(NULL) should be called
// soon after a call to SetTmpDefaultItem(window), return the old default
wxWindow *SetTmpDefaultItem(wxWindow *win)
{ wxWindow *old = GetDefaultItem(); m_winTmpDefault = win; return old; }
// implementation only from now on
// -------------------------------
// override some base class virtuals
virtual bool Destroy();
virtual bool IsTopLevel() const { return true; }
virtual bool IsVisible() const { return IsShown(); }
// event handlers
void OnCloseWindow(wxCloseEvent& event);
void OnSize(wxSizeEvent& WXUNUSED(event)) { DoLayout(); }
// Get rect to be used to center top-level children
virtual void GetRectForTopLevelChildren(int *x, int *y, int *w, int *h);
// this should go away, but for now it's called from docview.cpp,
// so should be there for all platforms
void OnActivate(wxActivateEvent &WXUNUSED(event)) { }
// do the window-specific processing after processing the update event
virtual void DoUpdateWindowUI(wxUpdateUIEvent& event) ;
// a different API for SetSizeHints
virtual void SetMinSize(const wxSize& minSize);
virtual void SetMaxSize(const wxSize& maxSize);
protected:
// the frame client to screen translation should take account of the
// toolbar which may shift the origin of the client area
virtual void DoClientToScreen(int *x, int *y) const;
virtual void DoScreenToClient(int *x, int *y) const;
// add support for wxCENTRE_ON_SCREEN
virtual void DoCentre(int dir);
// no need to do client to screen translation to get our position in screen
// coordinates: this is already the case
virtual void DoGetScreenPosition(int *x, int *y) const
{
DoGetPosition(x, y);
}
// test whether this window makes part of the frame
// (menubar, toolbar and statusbar are excluded from automatic layout)
virtual bool IsOneOfBars(const wxWindow *WXUNUSED(win)) const
{ return false; }
// check if we should exit the program after deleting this window
bool IsLastBeforeExit() const;
// send the iconize event, return true if processed
bool SendIconizeEvent(bool iconized = true);
// do TLW-specific layout: we resize our unique child to fill the entire
// client area
void DoLayout();
// Get the default size for the new window if no explicit size given. If
// there are better default sizes then these can be changed, just as long
// as they are not too small for TLWs (and not larger than screen).
static wxSize GetDefaultSize();
static int WidthDefault(int w) { return w == wxDefaultCoord ? GetDefaultSize().x : w; }
static int HeightDefault(int h) { return h == wxDefaultCoord ? GetDefaultSize().y : h; }
// the frame icon
wxIconBundle m_icons;
// a default window (usually a button) or NULL
wxWindowRef m_winDefault;
// a temporary override of m_winDefault, use the latter if NULL
wxWindowRef m_winTmpDefault;
DECLARE_NO_COPY_CLASS(wxTopLevelWindowBase)
DECLARE_EVENT_TABLE()
WX_DECLARE_CONTROL_CONTAINER();
};
// include the real class declaration
#if defined(__WXPALMOS__)
#include "wx/palmos/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowPalm
#elif defined(__WXMSW__)
#include "wx/msw/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowMSW
#elif defined(__WXGTK20__)
#include "wx/gtk/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowGTK
#elif defined(__WXGTK__)
#include "wx/gtk1/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowGTK
#elif defined(__WXX11__)
#include "wx/x11/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowX11
#elif defined(__WXMGL__)
#include "wx/mgl/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowMGL
#elif defined(__WXDFB__)
#include "wx/dfb/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowDFB
#elif defined(__WXMAC__)
#include "wx/mac/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowMac
#elif defined(__WXCOCOA__)
#include "wx/cocoa/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowCocoa
#elif defined(__WXPM__)
#include "wx/os2/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowOS2
#elif defined(__WXMOTIF__)
#include "wx/motif/toplevel.h"
#define wxTopLevelWindowNative wxTopLevelWindowMotif
#endif
#ifdef __WXUNIVERSAL__
#include "wx/univ/toplevel.h"
#else // !__WXUNIVERSAL__
#ifdef wxTopLevelWindowNative
class WXDLLIMPEXP_CORE wxTopLevelWindow : public wxTopLevelWindowNative
{
public:
// construction
wxTopLevelWindow() { Init(); }
wxTopLevelWindow(wxWindow *parent,
wxWindowID winid,
const wxString& title,
const wxPoint& pos = wxDefaultPosition,
const wxSize& size = wxDefaultSize,
long style = wxDEFAULT_FRAME_STYLE,
const wxString& name = wxFrameNameStr)
{
Init();
Create(parent, winid, title, pos, size, style, name);
}
DECLARE_DYNAMIC_CLASS_NO_COPY(wxTopLevelWindow)
};
#endif // wxTopLevelWindowNative
#endif // __WXUNIVERSAL__/!__WXUNIVERSAL__
#endif // _WX_TOPLEVEL_BASE_H_
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