src/gtk/mdi.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/gtk/mdi.cpp
// Purpose:
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#include "wx/mdi.h"
#include "wx/notebook.h"

#if wxUSE_MDI

#include "wx/dialog.h"
#include "wx/menu.h"
#include "wx/intl.h"
#include "wx/gtk/private.h"

#include <glib.h>
#include <gdk/gdk.h>
#include <gtk/gtk.h>
#include "wx/gtk/win_gtk.h"

//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------

const int wxMENU_HEIGHT = 27;

//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------

extern void wxapp_install_idle_handler();
extern bool g_isIdle;

//-----------------------------------------------------------------------------
// globals
//-----------------------------------------------------------------------------

extern wxList wxPendingDelete;

//-----------------------------------------------------------------------------
// "switch_page"
//-----------------------------------------------------------------------------

extern "C" {
static void
gtk_mdi_page_change_callback( GtkNotebook *WXUNUSED(widget),
                              GtkNotebookPage *page,
                              gint WXUNUSED(page_num),
                              wxMDIParentFrame *parent )
{
    if (g_isIdle)
        wxapp_install_idle_handler();

    // send deactivate event to old child

    wxMDIChildFrame *child = parent->GetActiveChild();
    if (child)
    {
        wxActivateEvent event1( wxEVT_ACTIVATE, false, child->GetId() );
        event1.SetEventObject( child);
        child->GetEventHandler()->ProcessEvent( event1 );
    }

    // send activate event to new child

    wxMDIClientWindow *client_window = parent->GetClientWindow();
    if (!client_window)
        return;

    child = (wxMDIChildFrame*) NULL;

    wxWindowList::compatibility_iterator node = client_window->GetChildren().GetFirst();
    while (node)
    {
        wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
        // CE: we come here in the destructor with a null child_frame - I think because
        // g_signal_connect (m_widget, "switch_page", (see below)
        // isn't deleted early enough
        if (!child_frame)
          return ;

        if (child_frame->m_page == page)
        {
            child = child_frame;
            break;
        }
        node = node->GetNext();
    }

    if (!child)
         return;

    wxActivateEvent event2( wxEVT_ACTIVATE, true, child->GetId() );
    event2.SetEventObject( child);
    child->GetEventHandler()->ProcessEvent( event2 );
}
}

//-----------------------------------------------------------------------------
// wxMDIParentFrame
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)

void wxMDIParentFrame::Init()
{
    m_justInserted = false;
    m_clientWindow = (wxMDIClientWindow *) NULL;
}

wxMDIParentFrame::~wxMDIParentFrame()
{
}

bool wxMDIParentFrame::Create(wxWindow *parent,
                              wxWindowID id,
                              const wxString& title,
                              const wxPoint& pos,
                              const wxSize& size,
                              long style,
                              const wxString& name )
{
    wxFrame::Create( parent, id, title, pos, size, style, name );

    OnCreateClient();

    return true;
}

void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
{
    wxFrame::GtkOnSize( x, y, width, height );

    wxMDIChildFrame *child_frame = GetActiveChild();
    if (!child_frame) return;

    wxMenuBar *menu_bar = child_frame->m_menuBar;
    if (!menu_bar) return;
    if (!menu_bar->m_widget) return;

    menu_bar->m_x = 0;
    menu_bar->m_y = 0;
    menu_bar->m_width = m_width;
    menu_bar->m_height = wxMENU_HEIGHT;
    gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
                          menu_bar->m_widget,
                          0, 0, m_width, wxMENU_HEIGHT );
}

void wxMDIParentFrame::OnInternalIdle()
{
    /* if a an MDI child window has just been inserted
       it has to be brought to the top in idle time. we
       simply set the last notebook page active as new
       pages can only be appended at the end */

    if (m_justInserted)
    {
        GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
        gtk_notebook_set_page( notebook, g_list_length( notebook->children ) - 1 );

        /* need to set the menubar of the child */
        wxMDIChildFrame *active_child_frame = GetActiveChild();
        if (active_child_frame != NULL)
        {
            wxMenuBar *menu_bar = active_child_frame->m_menuBar;
            if (menu_bar)
            {
                menu_bar->m_width = m_width;
                menu_bar->m_height = wxMENU_HEIGHT;
                gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
                                    menu_bar->m_widget,
                                    0, 0, m_width, wxMENU_HEIGHT );
                menu_bar->SetInvokingWindow(active_child_frame);
            }
        }
        m_justInserted = false;
        return;
    }

    wxFrame::OnInternalIdle();

    wxMDIChildFrame *active_child_frame = GetActiveChild();
    bool visible_child_menu = false;

    wxWindowList::compatibility_iterator node = m_clientWindow->GetChildren().GetFirst();
    while (node)
    {
        wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );

        if ( child_frame )
        {
            wxMenuBar *menu_bar = child_frame->m_menuBar;
            if ( menu_bar )
            {
                if (child_frame == active_child_frame)
                {
                    if (menu_bar->Show(true))
                    {
                        menu_bar->m_width = m_width;
                        menu_bar->m_height = wxMENU_HEIGHT;
                        gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
                                            menu_bar->m_widget,
                                            0, 0, m_width, wxMENU_HEIGHT );
                        menu_bar->SetInvokingWindow( child_frame );
                    }
                    visible_child_menu = true;
                }
                else
                {
                    if (menu_bar->Show(false))
                    {
                        menu_bar->UnsetInvokingWindow( child_frame );
                    }
                }
            }
        }

        node = node->GetNext();
    }

    /* show/hide parent menu bar as required */
    if ((m_frameMenuBar) &&
        (m_frameMenuBar->IsShown() == visible_child_menu))
    {
        if (visible_child_menu)
        {
            m_frameMenuBar->Show( false );
            m_frameMenuBar->UnsetInvokingWindow( this );
        }
        else
        {
            m_frameMenuBar->Show( true );
            m_frameMenuBar->SetInvokingWindow( this );

            m_frameMenuBar->m_width = m_width;
            m_frameMenuBar->m_height = wxMENU_HEIGHT;
            gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
                                m_frameMenuBar->m_widget,
                                0, 0, m_width, wxMENU_HEIGHT );
        }
    }
}

void wxMDIParentFrame::DoGetClientSize(int *width, int *height ) const
{
    wxFrame::DoGetClientSize( width, height );
}

wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
{
    if (!m_clientWindow) return (wxMDIChildFrame*) NULL;

    GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
    if (!notebook) return (wxMDIChildFrame*) NULL;

    gint i = gtk_notebook_get_current_page( notebook );
    if (i < 0) return (wxMDIChildFrame*) NULL;

    GtkNotebookPage* page = (GtkNotebookPage*) (g_list_nth(notebook->children,i)->data);
    if (!page) return (wxMDIChildFrame*) NULL;

    wxWindowList::compatibility_iterator node = m_clientWindow->GetChildren().GetFirst();
    while (node)
    {
        wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );

        wxASSERT_MSG( child_frame, _T("child is not a wxMDIChildFrame") );

        if (child_frame->m_page == page)
            return child_frame;
        node = node->GetNext();
    }

    return (wxMDIChildFrame*) NULL;
}

wxMDIClientWindow *wxMDIParentFrame::GetClientWindow() const
{
    return m_clientWindow;
}

wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
{
    m_clientWindow = new wxMDIClientWindow( this );
    return m_clientWindow;
}

void wxMDIParentFrame::ActivateNext()
{
    if (m_clientWindow)
      gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
}

void wxMDIParentFrame::ActivatePrevious()
{
    if (m_clientWindow)
      gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
}

//-----------------------------------------------------------------------------
// wxMDIChildFrame
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxFrame)

BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
    EVT_ACTIVATE(wxMDIChildFrame::OnActivate)
    EVT_MENU_HIGHLIGHT_ALL(wxMDIChildFrame::OnMenuHighlight)
END_EVENT_TABLE()

wxMDIChildFrame::wxMDIChildFrame()
{
    m_menuBar = (wxMenuBar *) NULL;
    m_page = (GtkNotebookPage *) NULL;
}

wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
      wxWindowID id, const wxString& title,
      const wxPoint& WXUNUSED(pos), const wxSize& size,
      long style, const wxString& name )
{
    m_menuBar = (wxMenuBar *) NULL;
    m_page = (GtkNotebookPage *) NULL;
    Create( parent, id, title, wxDefaultPosition, size, style, name );
}

wxMDIChildFrame::~wxMDIChildFrame()
{
    if (m_menuBar)
        delete m_menuBar;
}

bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
      wxWindowID id, const wxString& title,
      const wxPoint& WXUNUSED(pos), const wxSize& size,
      long style, const wxString& name )
{
    m_title = title;

    return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
}

void wxMDIChildFrame::DoSetSize( int x, int y, int width, int height, int sizeFlags )
{
    wxWindow::DoSetSize( x, y, width, height, sizeFlags );
}

void wxMDIChildFrame::DoSetClientSize(int width, int height)
{
    wxWindow::DoSetClientSize( width, height );
}

void wxMDIChildFrame::DoGetClientSize( int *width, int *height ) const
{
    wxWindow::DoGetClientSize( width, height );
}

void wxMDIChildFrame::AddChild( wxWindowBase *child )
{
    wxWindow::AddChild(child);
}

void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
{
    wxASSERT_MSG( m_menuBar == NULL, wxT("Only one menubar allowed") );

    m_menuBar = menu_bar;

    if (m_menuBar)
    {
        wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->GetParent();

        m_menuBar->SetParent( mdi_frame );

        /* insert the invisible menu bar into the _parent_ mdi frame */
        gtk_pizza_put( GTK_PIZZA(mdi_frame->m_mainWidget),
                         m_menuBar->m_widget,
                         0, 0,  mdi_frame->m_width, wxMENU_HEIGHT );
    }
}

wxMenuBar *wxMDIChildFrame::GetMenuBar() const
{
    return m_menuBar;
}

void wxMDIChildFrame::Activate()
{
    wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
    GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
    gint pageno = gtk_notebook_page_num( notebook, m_widget );
    gtk_notebook_set_page( notebook, pageno );
}

void wxMDIChildFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
{
}

void wxMDIChildFrame::OnMenuHighlight( wxMenuEvent& event )
{
#if wxUSE_STATUSBAR
    wxMDIParentFrame *mdi_frame = (wxMDIParentFrame*)m_parent->GetParent();
    if ( !ShowMenuHelp(mdi_frame->GetStatusBar(), event.GetMenuId()) )
    {
        // we don't have any help text for this item, but may be the MDI frame
        // does?
        mdi_frame->OnMenuHighlight(event);
    }
#endif // wxUSE_STATUSBAR
}

void wxMDIChildFrame::SetTitle( const wxString &title )
{
    if ( title == m_title )
        return;

    m_title = title;

    wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
    GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
    gtk_notebook_set_tab_label_text(notebook, m_widget, wxGTK_CONV( title ) );
}

//-----------------------------------------------------------------------------
// "size_allocate"
//-----------------------------------------------------------------------------

extern "C" {
static void gtk_page_size_callback( GtkWidget *WXUNUSED(widget), GtkAllocation* alloc, wxWindow *win )
{
    if (g_isIdle) wxapp_install_idle_handler();

    if ((win->m_x == alloc->x) &&
        (win->m_y == alloc->y) &&
        (win->m_width == alloc->width) &&
        (win->m_height == alloc->height) &&
        (win->m_sizeSet))
    {
        return;
    }

    win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
}
}

//-----------------------------------------------------------------------------
// InsertChild callback for wxMDIClientWindow
//-----------------------------------------------------------------------------

static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
{
    wxString s = child->GetTitle();
    if (s.IsNull()) s = _("MDI child");

    GtkWidget *label_widget = gtk_label_new( s.mbc_str() );
    gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );

    g_signal_connect (child->m_widget, "size_allocate",
                      G_CALLBACK (gtk_page_size_callback), child);

    GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);

    gtk_notebook_append_page( notebook, child->m_widget, label_widget );

    child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);

    wxMDIParentFrame *parent_frame = (wxMDIParentFrame*) parent->GetParent();
    parent_frame->m_justInserted = true;
}

//-----------------------------------------------------------------------------
// wxMDIClientWindow
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)

wxMDIClientWindow::wxMDIClientWindow()
{
}

wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
{
    CreateClient( parent, style );
}

wxMDIClientWindow::~wxMDIClientWindow()
{

}

bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
{
    m_needParent = true;

    m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;

    if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) ||
        !CreateBase( parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("wxMDIClientWindow") ))
    {
        wxFAIL_MSG( wxT("wxMDIClientWindow creation failed") );
        return false;
    }

    m_widget = gtk_notebook_new();

    g_signal_connect (m_widget, "switch_page",
                      G_CALLBACK (gtk_mdi_page_change_callback), parent);

    gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );

    m_parent->DoAddChild( this );

    PostCreation();

    Show( true );

    return true;
}

#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/gtk/mdi.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	// For compilers that support precompilation, includes "wx.h".
	11	#include "wx/wxprec.h"
	12
	13	#include "wx/mdi.h"
	14	#include "wx/notebook.h"
	15
	16	#if wxUSE_MDI
	17
	18	#include "wx/dialog.h"
	19	#include "wx/menu.h"
	20	#include "wx/intl.h"
	21	#include "wx/gtk/private.h"
	22
	23	#include <glib.h>
	24	#include <gdk/gdk.h>
	25	#include <gtk/gtk.h>
	26	#include "wx/gtk/win_gtk.h"
	27
	28	//-----------------------------------------------------------------------------
	29	// constants
	30	//-----------------------------------------------------------------------------
	31
	32	const int wxMENU_HEIGHT = 27;
	33
	34	//-----------------------------------------------------------------------------
	35	// idle system
	36	//-----------------------------------------------------------------------------
	37
	38	extern void wxapp_install_idle_handler();
	39	extern bool g_isIdle;
	40
	41	//-----------------------------------------------------------------------------
	42	// globals
	43	//-----------------------------------------------------------------------------
	44
	45	extern wxList wxPendingDelete;
	46
	47	//-----------------------------------------------------------------------------
	48	// "switch_page"
	49	//-----------------------------------------------------------------------------
	50
	51	extern "C" {
	52	static void
	53	gtk_mdi_page_change_callback( GtkNotebook *WXUNUSED(widget),
	54	GtkNotebookPage *page,
	55	gint WXUNUSED(page_num),
	56	wxMDIParentFrame *parent )
	57	{
	58	if (g_isIdle)
	59	wxapp_install_idle_handler();
	60
	61	// send deactivate event to old child
	62
	63	wxMDIChildFrame *child = parent->GetActiveChild();
	64	if (child)
	65	{
	66	wxActivateEvent event1( wxEVT_ACTIVATE, false, child->GetId() );
	67	event1.SetEventObject( child);
	68	child->GetEventHandler()->ProcessEvent( event1 );
	69	}
	70
	71	// send activate event to new child
	72
	73	wxMDIClientWindow *client_window = parent->GetClientWindow();
	74	if (!client_window)
	75	return;
	76
	77	child = (wxMDIChildFrame*) NULL;
	78
	79	wxWindowList::compatibility_iterator node = client_window->GetChildren().GetFirst();
	80	while (node)
	81	{
	82	wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
	83	// CE: we come here in the destructor with a null child_frame - I think because
	84	// g_signal_connect (m_widget, "switch_page", (see below)
	85	// isn't deleted early enough
	86	if (!child_frame)
	87	return ;
	88
	89	if (child_frame->m_page == page)
	90	{
	91	child = child_frame;
	92	break;
	93	}
	94	node = node->GetNext();
	95	}
	96
	97	if (!child)
	98	return;
	99
	100	wxActivateEvent event2( wxEVT_ACTIVATE, true, child->GetId() );
	101	event2.SetEventObject( child);
	102	child->GetEventHandler()->ProcessEvent( event2 );
	103	}
	104	}
	105
	106	//-----------------------------------------------------------------------------
	107	// wxMDIParentFrame
	108	//-----------------------------------------------------------------------------
	109
	110	IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
	111
	112	void wxMDIParentFrame::Init()
	113	{
	114	m_justInserted = false;
	115	m_clientWindow = (wxMDIClientWindow *) NULL;
	116	}
	117
	118	wxMDIParentFrame::~wxMDIParentFrame()
	119	{
	120	}
	121
	122	bool wxMDIParentFrame::Create(wxWindow *parent,
	123	wxWindowID id,
	124	const wxString& title,
	125	const wxPoint& pos,
	126	const wxSize& size,
	127	long style,
	128	const wxString& name )
	129	{
	130	wxFrame::Create( parent, id, title, pos, size, style, name );
	131
	132	OnCreateClient();
	133
	134	return true;
	135	}
	136
	137	void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
	138	{
	139	wxFrame::GtkOnSize( x, y, width, height );
	140
	141	wxMDIChildFrame *child_frame = GetActiveChild();
	142	if (!child_frame) return;
	143
	144	wxMenuBar *menu_bar = child_frame->m_menuBar;
	145	if (!menu_bar) return;
	146	if (!menu_bar->m_widget) return;
	147
	148	menu_bar->m_x = 0;
	149	menu_bar->m_y = 0;
	150	menu_bar->m_width = m_width;
	151	menu_bar->m_height = wxMENU_HEIGHT;
	152	gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
	153	menu_bar->m_widget,
	154	0, 0, m_width, wxMENU_HEIGHT );
	155	}
	156
	157	void wxMDIParentFrame::OnInternalIdle()
	158	{
	159	/* if a an MDI child window has just been inserted
	160	it has to be brought to the top in idle time. we
	161	simply set the last notebook page active as new
	162	pages can only be appended at the end */
	163
	164	if (m_justInserted)
	165	{
	166	GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
	167	gtk_notebook_set_page( notebook, g_list_length( notebook->children ) - 1 );
	168
	169	/* need to set the menubar of the child */
	170	wxMDIChildFrame *active_child_frame = GetActiveChild();
	171	if (active_child_frame != NULL)
	172	{
	173	wxMenuBar *menu_bar = active_child_frame->m_menuBar;
	174	if (menu_bar)
	175	{
	176	menu_bar->m_width = m_width;
	177	menu_bar->m_height = wxMENU_HEIGHT;
	178	gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
	179	menu_bar->m_widget,
	180	0, 0, m_width, wxMENU_HEIGHT );
	181	menu_bar->SetInvokingWindow(active_child_frame);
	182	}
	183	}
	184	m_justInserted = false;
	185	return;
	186	}
	187
	188	wxFrame::OnInternalIdle();
	189
	190	wxMDIChildFrame *active_child_frame = GetActiveChild();
	191	bool visible_child_menu = false;
	192
	193	wxWindowList::compatibility_iterator node = m_clientWindow->GetChildren().GetFirst();
	194	while (node)
	195	{
	196	wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
	197
	198	if ( child_frame )
	199	{
	200	wxMenuBar *menu_bar = child_frame->m_menuBar;
	201	if ( menu_bar )
	202	{
	203	if (child_frame == active_child_frame)
	204	{
	205	if (menu_bar->Show(true))
	206	{
	207	menu_bar->m_width = m_width;
	208	menu_bar->m_height = wxMENU_HEIGHT;
	209	gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
	210	menu_bar->m_widget,
	211	0, 0, m_width, wxMENU_HEIGHT );
	212	menu_bar->SetInvokingWindow( child_frame );
	213	}
	214	visible_child_menu = true;
	215	}
	216	else
	217	{
	218	if (menu_bar->Show(false))
	219	{
	220	menu_bar->UnsetInvokingWindow( child_frame );
	221	}
	222	}
	223	}
	224	}
	225
	226	node = node->GetNext();
	227	}
	228
	229	/* show/hide parent menu bar as required */
	230	if ((m_frameMenuBar) &&
	231	(m_frameMenuBar->IsShown() == visible_child_menu))
	232	{
	233	if (visible_child_menu)
	234	{
	235	m_frameMenuBar->Show( false );
	236	m_frameMenuBar->UnsetInvokingWindow( this );
	237	}
	238	else
	239	{
	240	m_frameMenuBar->Show( true );
	241	m_frameMenuBar->SetInvokingWindow( this );
	242
	243	m_frameMenuBar->m_width = m_width;
	244	m_frameMenuBar->m_height = wxMENU_HEIGHT;
	245	gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
	246	m_frameMenuBar->m_widget,
	247	0, 0, m_width, wxMENU_HEIGHT );
	248	}
	249	}
	250	}
	251
	252	void wxMDIParentFrame::DoGetClientSize(int width, int height ) const
	253	{
	254	wxFrame::DoGetClientSize( width, height );
	255	}
	256
	257	wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
	258	{
	259	if (!m_clientWindow) return (wxMDIChildFrame*) NULL;
	260
	261	GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
	262	if (!notebook) return (wxMDIChildFrame*) NULL;
	263
	264	gint i = gtk_notebook_get_current_page( notebook );
	265	if (i < 0) return (wxMDIChildFrame*) NULL;
	266
	267	GtkNotebookPage* page = (GtkNotebookPage*) (g_list_nth(notebook->children,i)->data);
	268	if (!page) return (wxMDIChildFrame*) NULL;
	269
	270	wxWindowList::compatibility_iterator node = m_clientWindow->GetChildren().GetFirst();
	271	while (node)
	272	{
	273	wxMDIChildFrame *child_frame = wxDynamicCast( node->GetData(), wxMDIChildFrame );
	274
	275	wxASSERT_MSG( child_frame, _T("child is not a wxMDIChildFrame") );
	276
	277	if (child_frame->m_page == page)
	278	return child_frame;
	279	node = node->GetNext();
	280	}
	281
	282	return (wxMDIChildFrame*) NULL;
	283	}
	284
	285	wxMDIClientWindow *wxMDIParentFrame::GetClientWindow() const
	286	{
	287	return m_clientWindow;
	288	}
	289
	290	wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
	291	{
	292	m_clientWindow = new wxMDIClientWindow( this );
	293	return m_clientWindow;
	294	}
	295
	296	void wxMDIParentFrame::ActivateNext()
	297	{
	298	if (m_clientWindow)
	299	gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
	300	}
	301
	302	void wxMDIParentFrame::ActivatePrevious()
	303	{
	304	if (m_clientWindow)
	305	gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
	306	}
	307
	308	//-----------------------------------------------------------------------------
	309	// wxMDIChildFrame
	310	//-----------------------------------------------------------------------------
	311
	312	IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxFrame)
	313
	314	BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
	315	EVT_ACTIVATE(wxMDIChildFrame::OnActivate)
	316	EVT_MENU_HIGHLIGHT_ALL(wxMDIChildFrame::OnMenuHighlight)
	317	END_EVENT_TABLE()
	318
	319	wxMDIChildFrame::wxMDIChildFrame()
	320	{
	321	m_menuBar = (wxMenuBar *) NULL;
	322	m_page = (GtkNotebookPage *) NULL;
	323	}
	324
	325	wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
	326	wxWindowID id, const wxString& title,
	327	const wxPoint& WXUNUSED(pos), const wxSize& size,
	328	long style, const wxString& name )
	329	{
	330	m_menuBar = (wxMenuBar *) NULL;
	331	m_page = (GtkNotebookPage *) NULL;
	332	Create( parent, id, title, wxDefaultPosition, size, style, name );
	333	}
	334
	335	wxMDIChildFrame::~wxMDIChildFrame()
	336	{
	337	if (m_menuBar)
	338	delete m_menuBar;
	339	}
	340
	341	bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
	342	wxWindowID id, const wxString& title,
	343	const wxPoint& WXUNUSED(pos), const wxSize& size,
	344	long style, const wxString& name )
	345	{
	346	m_title = title;
	347
	348	return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
	349	}
	350
	351	void wxMDIChildFrame::DoSetSize( int x, int y, int width, int height, int sizeFlags )
	352	{
	353	wxWindow::DoSetSize( x, y, width, height, sizeFlags );
	354	}
	355
	356	void wxMDIChildFrame::DoSetClientSize(int width, int height)
	357	{
	358	wxWindow::DoSetClientSize( width, height );
	359	}
	360
	361	void wxMDIChildFrame::DoGetClientSize( int width, int height ) const
	362	{
	363	wxWindow::DoGetClientSize( width, height );
	364	}
	365
	366	void wxMDIChildFrame::AddChild( wxWindowBase *child )
	367	{
	368	wxWindow::AddChild(child);
	369	}
	370
	371	void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
	372	{
	373	wxASSERT_MSG( m_menuBar == NULL, wxT("Only one menubar allowed") );
	374
	375	m_menuBar = menu_bar;
	376
	377	if (m_menuBar)
	378	{
	379	wxMDIParentFrame mdi_frame = (wxMDIParentFrame)m_parent->GetParent();
	380
	381	m_menuBar->SetParent( mdi_frame );
	382
	383	/* insert the invisible menu bar into the _parent_ mdi frame */
	384	gtk_pizza_put( GTK_PIZZA(mdi_frame->m_mainWidget),
	385	m_menuBar->m_widget,
	386	0, 0, mdi_frame->m_width, wxMENU_HEIGHT );
	387	}
	388	}
	389
	390	wxMenuBar *wxMDIChildFrame::GetMenuBar() const
	391	{
	392	return m_menuBar;
	393	}
	394
	395	void wxMDIChildFrame::Activate()
	396	{
	397	wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
	398	GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
	399	gint pageno = gtk_notebook_page_num( notebook, m_widget );
	400	gtk_notebook_set_page( notebook, pageno );
	401	}
	402
	403	void wxMDIChildFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
	404	{
	405	}
	406
	407	void wxMDIChildFrame::OnMenuHighlight( wxMenuEvent& event )
	408	{
	409	#if wxUSE_STATUSBAR
	410	wxMDIParentFrame mdi_frame = (wxMDIParentFrame)m_parent->GetParent();
	411	if ( !ShowMenuHelp(mdi_frame->GetStatusBar(), event.GetMenuId()) )
	412	{
	413	// we don't have any help text for this item, but may be the MDI frame
	414	// does?
	415	mdi_frame->OnMenuHighlight(event);
	416	}
	417	#endif // wxUSE_STATUSBAR
	418	}
	419
	420	void wxMDIChildFrame::SetTitle( const wxString &title )
	421	{
	422	if ( title == m_title )
	423	return;
	424
	425	m_title = title;
	426
	427	wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
	428	GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
	429	gtk_notebook_set_tab_label_text(notebook, m_widget, wxGTK_CONV( title ) );
	430	}
	431
	432	//-----------------------------------------------------------------------------
	433	// "size_allocate"
	434	//-----------------------------------------------------------------------------
	435
	436	extern "C" {
	437	static void gtk_page_size_callback( GtkWidget WXUNUSED(widget), GtkAllocation alloc, wxWindow *win )
	438	{
	439	if (g_isIdle) wxapp_install_idle_handler();
	440
	441	if ((win->m_x == alloc->x) &&
	442	(win->m_y == alloc->y) &&
	443	(win->m_width == alloc->width) &&
	444	(win->m_height == alloc->height) &&
	445	(win->m_sizeSet))
	446	{
	447	return;
	448	}
	449
	450	win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
	451	}
	452	}
	453
	454	//-----------------------------------------------------------------------------
	455	// InsertChild callback for wxMDIClientWindow
	456	//-----------------------------------------------------------------------------
	457
	458	static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
	459	{
	460	wxString s = child->GetTitle();
	461	if (s.IsNull()) s = _("MDI child");
	462
	463	GtkWidget *label_widget = gtk_label_new( s.mbc_str() );
	464	gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
	465
	466	g_signal_connect (child->m_widget, "size_allocate",
	467	G_CALLBACK (gtk_page_size_callback), child);
	468
	469	GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
	470
	471	gtk_notebook_append_page( notebook, child->m_widget, label_widget );
	472
	473	child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
	474
	475	wxMDIParentFrame parent_frame = (wxMDIParentFrame) parent->GetParent();
	476	parent_frame->m_justInserted = true;
	477	}
	478
	479	//-----------------------------------------------------------------------------
	480	// wxMDIClientWindow
	481	//-----------------------------------------------------------------------------
	482
	483	IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
	484
	485	wxMDIClientWindow::wxMDIClientWindow()
	486	{
	487	}
	488
	489	wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
	490	{
	491	CreateClient( parent, style );
	492	}
	493
	494	wxMDIClientWindow::~wxMDIClientWindow()
	495	{
	496
	497	}
	498
	499	bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
	500	{
	501	m_needParent = true;
	502
	503	m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;
	504
	505	if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) \|\|
	506	!CreateBase( parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("wxMDIClientWindow") ))
	507	{
	508	wxFAIL_MSG( wxT("wxMDIClientWindow creation failed") );
	509	return false;
	510	}
	511
	512	m_widget = gtk_notebook_new();
	513
	514	g_signal_connect (m_widget, "switch_page",
	515	G_CALLBACK (gtk_mdi_page_change_callback), parent);
	516
	517	gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
	518
	519	m_parent->DoAddChild( this );
	520
	521	PostCreation();
	522
	523	Show( true );
	524
	525	return true;
	526	}
	527
	528	#endif