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[wxWidgets.git] / include / wx / frame.h

/////////////////////////////////////////////////////////////////////////////
// Name:        wx/frame.h
// Purpose:     wxFrame class interface
// Author:      Vadim Zeitlin
// Modified by:
// Created:     15.11.99
// RCS-ID:      $Id$
// Copyright:   (c) wxWindows team
// Licence:     wxWindows license
/////////////////////////////////////////////////////////////////////////////

#ifndef _WX_FRAME_H_BASE_
#define _WX_FRAME_H_BASE_

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#ifdef __GNUG__
    #pragma interface "framebase.h"
#endif

#include "wx/toplevel.h"      // the base class

// the default names for various classs
WXDLLEXPORT_DATA(extern const wxChar*) wxFrameNameStr;
WXDLLEXPORT_DATA(extern const wxChar*) wxStatusLineNameStr;
WXDLLEXPORT_DATA(extern const wxChar*) wxToolBarNameStr;

class WXDLLEXPORT wxFrame;
class WXDLLEXPORT wxMenuBar;
class WXDLLEXPORT wxStatusBar;
class WXDLLEXPORT wxToolBar;

// ----------------------------------------------------------------------------
// wxFrame is a top-level window with optional menubar, statusbar and toolbar
//
// For each of *bars, a frame may have several of them, but only one is
// managed by the frame, i.e. resized/moved when the frame is and whose size
// is accounted for in client size calculations - all others should be taken
// care of manually. The CreateXXXBar() functions create this, main, XXXBar,
// but the actual creation is done in OnCreateXXXBar() functions which may be
// overridden to create custom objects instead of standard ones when
// CreateXXXBar() is called.
// ----------------------------------------------------------------------------

// FIXME - temporary hack in absence of wxTLW !!
#ifndef wxTopLevelWindowNative
class WXDLLEXPORT wxFrameBase : public wxTopLevelWindowBase
#else
class WXDLLEXPORT wxFrameBase : public wxTopLevelWindow
#endif
{
public:
    // construction
    wxFrameBase();
#ifdef __DARWIN__
    virtual ~wxFrameBase() { }
#endif

    wxFrame *New(wxWindow *parent,
                 wxWindowID id,
                 const wxString& title,
                 const wxPoint& pos = wxDefaultPosition,
                 const wxSize& size = wxDefaultSize,
                 long style = wxDEFAULT_FRAME_STYLE,
                 const wxString& name = wxFrameNameStr);

    // frame state
    // -----------

    // get the origin of the client area (which may be different from (0, 0)
    // if the frame has a toolbar) in client coordinates
    virtual wxPoint GetClientAreaOrigin() const;

    // menu bar functions
    // ------------------

#if wxUSE_MENUS
    virtual void SetMenuBar(wxMenuBar *menubar);
    virtual wxMenuBar *GetMenuBar() const { return m_frameMenuBar; }
#endif // wxUSE_MENUS

    // call this to simulate a menu command
    bool Command(int id) { return ProcessCommand(id); }

    // process menu command: returns TRUE if processed
    bool ProcessCommand(int id);

    // status bar functions
    // --------------------
#if wxUSE_STATUSBAR
    // create the main status bar by calling OnCreateStatusBar()
    virtual wxStatusBar* CreateStatusBar(int number = 1,
                                         long style = wxST_SIZEGRIP,
                                         wxWindowID id = 0,
                                         const wxString& name =
                                            wxStatusLineNameStr);
    // return a new status bar
    virtual wxStatusBar *OnCreateStatusBar(int number,
                                           long style,
                                           wxWindowID id,
                                           const wxString& name);
    // get the main status bar
    virtual wxStatusBar *GetStatusBar() const { return m_frameStatusBar; }

    // sets the main status bar
    void SetStatusBar(wxStatusBar *statBar) { m_frameStatusBar = statBar; }

    // forward these to status bar
    virtual void SetStatusText(const wxString &text, int number = 0);
    virtual void SetStatusWidths(int n, const int widths_field[]);
#endif // wxUSE_STATUSBAR

    // toolbar functions
    // -----------------
#if wxUSE_TOOLBAR
    // create main toolbar bycalling OnCreateToolBar()
    virtual wxToolBar* CreateToolBar(long style = wxNO_BORDER|wxTB_HORIZONTAL,
                                     wxWindowID id = -1,
                                     const wxString& name = wxToolBarNameStr);
    // return a new toolbar
    virtual wxToolBar *OnCreateToolBar(long style,
                                       wxWindowID id,
                                       const wxString& name );

    // get/set the main toolbar
    virtual wxToolBar *GetToolBar() const { return m_frameToolBar; }
    virtual void SetToolBar(wxToolBar *toolbar) { m_frameToolBar = toolbar; }
#endif // wxUSE_TOOLBAR

    // implementation only from now on
    // -------------------------------

    // event handlers
    void OnIdle(wxIdleEvent& event);
    void OnMenuHighlight(wxMenuEvent& event);

#if wxUSE_MENUS
    // send wxUpdateUIEvents for all menu items (called from OnIdle())
    void DoMenuUpdates();
    void DoMenuUpdates(wxMenu* menu, wxWindow* focusWin);
#endif // wxUSE_MENUS

protected:
    // the frame main menu/status/tool bars
    // ------------------------------------

    // this (non virtual!) function should be called from dtor to delete the
    // main menubar, statusbar and toolbar (if any)
    void DeleteAllBars();

    // test whether this window makes part of the frame
    virtual bool IsOneOfBars(const wxWindow *win) const;

#if wxUSE_MENUS
    // override to update menu bar position when the frame size changes
    virtual void PositionMenuBar() { }

    // override to do something special when the menu bar is being removed
    // from the frame
    virtual void DetachMenuBar();

    // override to do something special when the menu bar is attached to the
    // frame
    virtual void AttachMenuBar(wxMenuBar *menubar);

    wxMenuBar *m_frameMenuBar;
#endif // wxUSE_MENUS

#if wxUSE_STATUSBAR
    // override to update status bar position (or anything else) when
    // something changes
    virtual void PositionStatusBar() { }

    // show the help string for this menu item in the given status bar: the
    // status bar pointer can be NULL; return TRUE if help was shown
    bool ShowMenuHelp(wxStatusBar *statbar, int id);

    wxStatusBar *m_frameStatusBar;
#endif // wxUSE_STATUSBAR

#if wxUSE_TOOLBAR
    // override to update status bar position (or anything else) when
    // something changes
    virtual void PositionToolBar() { }

    wxToolBar *m_frameToolBar;
#endif // wxUSE_TOOLBAR

    DECLARE_EVENT_TABLE()
};

// include the real class declaration
#ifdef __WXUNIVERSAL__
    #include "wx/univ/frame.h"
#else // !__WXUNIVERSAL__
    #if defined(__WXMSW__)
        #include "wx/msw/frame.h"
    #elif defined(__WXGTK__)
        #include "wx/gtk/frame.h"
    #elif defined(__WXMOTIF__)
        #include "wx/motif/frame.h"
    #elif defined(__WXMAC__)
        #include "wx/mac/frame.h"
    #elif defined(__WXPM__)
        #include "wx/os2/frame.h"
    #endif
#endif

#endif
    // _WX_FRAME_H_BASE_