src/gtk1/mdi.cpp

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

#ifdef __GNUG__
#pragma implementation "mdi.h"
#endif

#include "wx/mdi.h"

#if wxUSE_MDI_ARCHITECTURE

#include "wx/dialog.h"
#include "wx/menu.h"
#include "wx/intl.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"
//-----------------------------------------------------------------------------

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;

    wxNode *node = client_window->GetChildren().First();
    while (node)
    {
        wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
        if (child_frame->m_page == page)
        {
            child = child_frame;
            break;
        }
        node = node->Next();
    }

    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 );

        m_justInserted = FALSE;
        return;
    }

    wxFrame::OnInternalIdle();

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

    wxNode *node = m_clientWindow->GetChildren().First();
    while (node)
    {
        wxObject *child = node->Data();
        wxMDIChildFrame *child_frame = wxDynamicCast(child, 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->Next();
    }

    /* 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;

#if (GTK_MINOR_VERSION > 0)
    gint i = gtk_notebook_get_current_page( notebook );
#else
    gint i = gtk_notebook_current_page( notebook );
#endif
    if (i < 0) return (wxMDIChildFrame*) NULL;

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

    wxNode *node = m_clientWindow->GetChildren().First();
    while (node)
    {
        wxMDIChildFrame *child_frame = (wxMDIChildFrame *)node->Data();
        if (child_frame->m_page == page)
            return child_frame;
        node = node->Next();
    }

    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;
    m_isFrame = FALSE;
}

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;
    m_isFrame = FALSE;
    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::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()
{
#if defined(__WXGTK20__) || (GTK_MINOR_VERSION > 0)
    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 );
#else // GTK+ 1.0
    // the only way I can see to do this under gtk+ 1.0.X would
    // be to keep track of page numbers, start at first and
    // do "next" enough times to get to this page number - messy
    // - J. Russell Smyth
#endif
}

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, title.mbc_str());
}

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

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->m_title;
    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 );

    gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
      GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)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, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("wxMDIClientWindow") ))
    {
        wxFAIL_MSG( wxT("wxMDIClientWindow creation failed") );
        return FALSE;
    }

    m_widget = gtk_notebook_new();

    gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
      GTK_SIGNAL_FUNC(gtk_mdi_page_change_callback), (gpointer)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: mdi.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifdef __GNUG__
	11	#pragma implementation "mdi.h"
	12	#endif
	13
	14	#include "wx/mdi.h"
	15
	16	#if wxUSE_MDI_ARCHITECTURE
	17
	18	#include "wx/dialog.h"
	19	#include "wx/menu.h"
	20	#include "wx/intl.h"
	21
	22	#include <glib.h>
	23	#include <gdk/gdk.h>
	24	#include <gtk/gtk.h>
	25	#include "wx/gtk/win_gtk.h"
	26
	27	//-----------------------------------------------------------------------------
	28	// constants
	29	//-----------------------------------------------------------------------------
	30
	31	const int wxMENU_HEIGHT = 27;
	32
	33	//-----------------------------------------------------------------------------
	34	// idle system
	35	//-----------------------------------------------------------------------------
	36
	37	extern void wxapp_install_idle_handler();
	38	extern bool g_isIdle;
	39
	40	//-----------------------------------------------------------------------------
	41	// globals
	42	//-----------------------------------------------------------------------------
	43
	44	extern wxList wxPendingDelete;
	45
	46	//-----------------------------------------------------------------------------
	47	// "switch_page"
	48	//-----------------------------------------------------------------------------
	49
	50	static void
	51	gtk_mdi_page_change_callback( GtkNotebook *WXUNUSED(widget),
	52	GtkNotebookPage *page,
	53	gint WXUNUSED(page_num),
	54	wxMDIParentFrame *parent )
	55	{
	56	if (g_isIdle)
	57	wxapp_install_idle_handler();
	58
	59	// send deactivate event to old child
	60
	61	wxMDIChildFrame *child = parent->GetActiveChild();
	62	if (child)
	63	{
	64	wxActivateEvent event1( wxEVT_ACTIVATE, FALSE, child->GetId() );
	65	event1.SetEventObject( child);
	66	child->GetEventHandler()->ProcessEvent( event1 );
	67	}
	68
	69	// send activate event to new child
	70
	71	wxMDIClientWindow *client_window = parent->GetClientWindow();
	72	if (!client_window)
	73	return;
	74
	75	child = (wxMDIChildFrame*) NULL;
	76
	77	wxNode *node = client_window->GetChildren().First();
	78	while (node)
	79	{
	80	wxMDIChildFrame child_frame = (wxMDIChildFrame )node->Data();
	81	if (child_frame->m_page == page)
	82	{
	83	child = child_frame;
	84	break;
	85	}
	86	node = node->Next();
	87	}
	88
	89	if (!child)
	90	return;
	91
	92	wxActivateEvent event2( wxEVT_ACTIVATE, TRUE, child->GetId() );
	93	event2.SetEventObject( child);
	94	child->GetEventHandler()->ProcessEvent( event2 );
	95	}
	96
	97	//-----------------------------------------------------------------------------
	98	// wxMDIParentFrame
	99	//-----------------------------------------------------------------------------
	100
	101	IMPLEMENT_DYNAMIC_CLASS(wxMDIParentFrame,wxFrame)
	102
	103	void wxMDIParentFrame::Init()
	104	{
	105	m_justInserted = FALSE;
	106	m_clientWindow = (wxMDIClientWindow *) NULL;
	107	}
	108
	109	wxMDIParentFrame::~wxMDIParentFrame()
	110	{
	111	}
	112
	113	bool wxMDIParentFrame::Create(wxWindow *parent,
	114	wxWindowID id,
	115	const wxString& title,
	116	const wxPoint& pos,
	117	const wxSize& size,
	118	long style,
	119	const wxString& name )
	120	{
	121	wxFrame::Create( parent, id, title, pos, size, style, name );
	122
	123	OnCreateClient();
	124
	125	return TRUE;
	126	}
	127
	128	void wxMDIParentFrame::GtkOnSize( int x, int y, int width, int height )
	129	{
	130	wxFrame::GtkOnSize( x, y, width, height );
	131
	132	wxMDIChildFrame *child_frame = GetActiveChild();
	133	if (!child_frame) return;
	134
	135	wxMenuBar *menu_bar = child_frame->m_menuBar;
	136	if (!menu_bar) return;
	137	if (!menu_bar->m_widget) return;
	138
	139	menu_bar->m_x = 0;
	140	menu_bar->m_y = 0;
	141	menu_bar->m_width = m_width;
	142	menu_bar->m_height = wxMENU_HEIGHT;
	143	gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
	144	menu_bar->m_widget,
	145	0, 0, m_width, wxMENU_HEIGHT );
	146	}
	147
	148	void wxMDIParentFrame::OnInternalIdle()
	149	{
	150	/* if a an MDI child window has just been inserted
	151	it has to be brought to the top in idle time. we
	152	simply set the last notebook page active as new
	153	pages can only be appended at the end */
	154
	155	if (m_justInserted)
	156	{
	157	GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
	158	gtk_notebook_set_page( notebook, g_list_length( notebook->children ) - 1 );
	159
	160	m_justInserted = FALSE;
	161	return;
	162	}
	163
	164	wxFrame::OnInternalIdle();
	165
	166	wxMDIChildFrame *active_child_frame = GetActiveChild();
	167	bool visible_child_menu = FALSE;
	168
	169	wxNode *node = m_clientWindow->GetChildren().First();
	170	while (node)
	171	{
	172	wxObject *child = node->Data();
	173	wxMDIChildFrame *child_frame = wxDynamicCast(child, wxMDIChildFrame);
	174	if ( child_frame )
	175	{
	176	wxMenuBar *menu_bar = child_frame->m_menuBar;
	177	if ( menu_bar )
	178	{
	179	if (child_frame == active_child_frame)
	180	{
	181	if (menu_bar->Show(TRUE))
	182	{
	183	menu_bar->m_width = m_width;
	184	menu_bar->m_height = wxMENU_HEIGHT;
	185	gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
	186	menu_bar->m_widget,
	187	0, 0, m_width, wxMENU_HEIGHT );
	188	menu_bar->SetInvokingWindow( child_frame );
	189	}
	190	visible_child_menu = TRUE;
	191	}
	192	else
	193	{
	194	if (menu_bar->Show(FALSE))
	195	{
	196	menu_bar->UnsetInvokingWindow( child_frame );
	197	}
	198	}
	199	}
	200	}
	201
	202	node = node->Next();
	203	}
	204
	205	/* show/hide parent menu bar as required */
	206	if ((m_frameMenuBar) &&
	207	(m_frameMenuBar->IsShown() == visible_child_menu))
	208	{
	209	if (visible_child_menu)
	210	{
	211	m_frameMenuBar->Show( FALSE );
	212	m_frameMenuBar->UnsetInvokingWindow( this );
	213	}
	214	else
	215	{
	216	m_frameMenuBar->Show( TRUE );
	217	m_frameMenuBar->SetInvokingWindow( this );
	218
	219	m_frameMenuBar->m_width = m_width;
	220	m_frameMenuBar->m_height = wxMENU_HEIGHT;
	221	gtk_pizza_set_size( GTK_PIZZA(m_mainWidget),
	222	m_frameMenuBar->m_widget,
	223	0, 0, m_width, wxMENU_HEIGHT );
	224	}
	225	}
	226	}
	227
	228	void wxMDIParentFrame::DoGetClientSize(int width, int height ) const
	229	{
	230	wxFrame::DoGetClientSize( width, height );
	231	}
	232
	233	wxMDIChildFrame *wxMDIParentFrame::GetActiveChild() const
	234	{
	235	if (!m_clientWindow) return (wxMDIChildFrame*) NULL;
	236
	237	GtkNotebook *notebook = GTK_NOTEBOOK(m_clientWindow->m_widget);
	238	if (!notebook) return (wxMDIChildFrame*) NULL;
	239
	240	#if (GTK_MINOR_VERSION > 0)
	241	gint i = gtk_notebook_get_current_page( notebook );
	242	#else
	243	gint i = gtk_notebook_current_page( notebook );
	244	#endif
	245	if (i < 0) return (wxMDIChildFrame*) NULL;
	246
	247	GtkNotebookPage* page = (GtkNotebookPage*) (g_list_nth(notebook->children,i)->data);
	248	if (!page) return (wxMDIChildFrame*) NULL;
	249
	250	wxNode *node = m_clientWindow->GetChildren().First();
	251	while (node)
	252	{
	253	wxMDIChildFrame child_frame = (wxMDIChildFrame )node->Data();
	254	if (child_frame->m_page == page)
	255	return child_frame;
	256	node = node->Next();
	257	}
	258
	259	return (wxMDIChildFrame*) NULL;
	260	}
	261
	262	wxMDIClientWindow *wxMDIParentFrame::GetClientWindow() const
	263	{
	264	return m_clientWindow;
	265	}
	266
	267	wxMDIClientWindow *wxMDIParentFrame::OnCreateClient()
	268	{
	269	m_clientWindow = new wxMDIClientWindow( this );
	270	return m_clientWindow;
	271	}
	272
	273	void wxMDIParentFrame::ActivateNext()
	274	{
	275	if (m_clientWindow)
	276	gtk_notebook_next_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
	277	}
	278
	279	void wxMDIParentFrame::ActivatePrevious()
	280	{
	281	if (m_clientWindow)
	282	gtk_notebook_prev_page( GTK_NOTEBOOK(m_clientWindow->m_widget) );
	283	}
	284
	285	//-----------------------------------------------------------------------------
	286	// wxMDIChildFrame
	287	//-----------------------------------------------------------------------------
	288
	289	IMPLEMENT_DYNAMIC_CLASS(wxMDIChildFrame,wxFrame)
	290
	291	BEGIN_EVENT_TABLE(wxMDIChildFrame, wxFrame)
	292	EVT_ACTIVATE(wxMDIChildFrame::OnActivate)
	293	EVT_MENU_HIGHLIGHT_ALL(wxMDIChildFrame::OnMenuHighlight)
	294	END_EVENT_TABLE()
	295
	296	wxMDIChildFrame::wxMDIChildFrame()
	297	{
	298	m_menuBar = (wxMenuBar *) NULL;
	299	m_page = (GtkNotebookPage *) NULL;
	300	m_isFrame = FALSE;
	301	}
	302
	303	wxMDIChildFrame::wxMDIChildFrame( wxMDIParentFrame *parent,
	304	wxWindowID id, const wxString& title,
	305	const wxPoint& WXUNUSED(pos), const wxSize& size,
	306	long style, const wxString& name )
	307	{
	308	m_menuBar = (wxMenuBar *) NULL;
	309	m_page = (GtkNotebookPage *) NULL;
	310	m_isFrame = FALSE;
	311	Create( parent, id, title, wxDefaultPosition, size, style, name );
	312	}
	313
	314	wxMDIChildFrame::~wxMDIChildFrame()
	315	{
	316	if (m_menuBar)
	317	delete m_menuBar;
	318	}
	319
	320	bool wxMDIChildFrame::Create( wxMDIParentFrame *parent,
	321	wxWindowID id, const wxString& title,
	322	const wxPoint& WXUNUSED(pos), const wxSize& size,
	323	long style, const wxString& name )
	324	{
	325	m_title = title;
	326
	327	return wxWindow::Create( parent->GetClientWindow(), id, wxDefaultPosition, size, style, name );
	328	}
	329
	330	void wxMDIChildFrame::DoGetClientSize( int width, int height ) const
	331	{
	332	wxWindow::DoGetClientSize( width, height );
	333	}
	334
	335	void wxMDIChildFrame::AddChild( wxWindowBase *child )
	336	{
	337	wxWindow::AddChild(child);
	338	}
	339
	340	void wxMDIChildFrame::SetMenuBar( wxMenuBar *menu_bar )
	341	{
	342	wxASSERT_MSG( m_menuBar == NULL, wxT("Only one menubar allowed") );
	343
	344	m_menuBar = menu_bar;
	345
	346	if (m_menuBar)
	347	{
	348	wxMDIParentFrame mdi_frame = (wxMDIParentFrame)m_parent->GetParent();
	349
	350	m_menuBar->SetParent( mdi_frame );
	351
	352	/* insert the invisible menu bar into the _parent_ mdi frame */
	353	gtk_pizza_put( GTK_PIZZA(mdi_frame->m_mainWidget),
	354	m_menuBar->m_widget,
	355	0, 0, mdi_frame->m_width, wxMENU_HEIGHT );
	356	}
	357	}
	358
	359	wxMenuBar *wxMDIChildFrame::GetMenuBar() const
	360	{
	361	return m_menuBar;
	362	}
	363
	364	void wxMDIChildFrame::Activate()
	365	{
	366	#if defined(__WXGTK20__) \|\| (GTK_MINOR_VERSION > 0)
	367	wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
	368	GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
	369	gint pageno = gtk_notebook_page_num( notebook, m_widget );
	370	gtk_notebook_set_page( notebook, pageno );
	371	#else // GTK+ 1.0
	372	// the only way I can see to do this under gtk+ 1.0.X would
	373	// be to keep track of page numbers, start at first and
	374	// do "next" enough times to get to this page number - messy
	375	// - J. Russell Smyth
	376	#endif
	377	}
	378
	379	void wxMDIChildFrame::OnActivate( wxActivateEvent& WXUNUSED(event) )
	380	{
	381	}
	382
	383	void wxMDIChildFrame::OnMenuHighlight( wxMenuEvent& event )
	384	{
	385	#if wxUSE_STATUSBAR
	386	wxMDIParentFrame mdi_frame = (wxMDIParentFrame)m_parent->GetParent();
	387	if ( !ShowMenuHelp(mdi_frame->GetStatusBar(), event.GetMenuId()) )
	388	{
	389	// we don't have any help text for this item, but may be the MDI frame
	390	// does?
	391	mdi_frame->OnMenuHighlight(event);
	392	}
	393	#endif // wxUSE_STATUSBAR
	394	}
	395
	396	void wxMDIChildFrame::SetTitle( const wxString &title )
	397	{
	398	if ( title == m_title )
	399	return;
	400
	401	m_title = title;
	402
	403	wxMDIParentFrame* parent = (wxMDIParentFrame*) GetParent();
	404	GtkNotebook* notebook = GTK_NOTEBOOK(parent->m_widget);
	405	gtk_notebook_set_tab_label_text(notebook, m_widget, title.mbc_str());
	406	}
	407
	408	//-----------------------------------------------------------------------------
	409	// "size_allocate"
	410	//-----------------------------------------------------------------------------
	411
	412	static void gtk_page_size_callback( GtkWidget WXUNUSED(widget), GtkAllocation alloc, wxWindow *win )
	413	{
	414	if (g_isIdle) wxapp_install_idle_handler();
	415
	416	if ((win->m_x == alloc->x) &&
	417	(win->m_y == alloc->y) &&
	418	(win->m_width == alloc->width) &&
	419	(win->m_height == alloc->height) &&
	420	(win->m_sizeSet))
	421	{
	422	return;
	423	}
	424
	425	win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
	426	}
	427
	428	//-----------------------------------------------------------------------------
	429	// InsertChild callback for wxMDIClientWindow
	430	//-----------------------------------------------------------------------------
	431
	432	static void wxInsertChildInMDI( wxMDIClientWindow* parent, wxMDIChildFrame* child )
	433	{
	434	wxString s = child->m_title;
	435	if (s.IsNull()) s = _("MDI child");
	436
	437	GtkWidget *label_widget = gtk_label_new( s.mbc_str() );
	438	gtk_misc_set_alignment( GTK_MISC(label_widget), 0.0, 0.5 );
	439
	440	gtk_signal_connect( GTK_OBJECT(child->m_widget), "size_allocate",
	441	GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)child );
	442
	443	GtkNotebook *notebook = GTK_NOTEBOOK(parent->m_widget);
	444
	445	gtk_notebook_append_page( notebook, child->m_widget, label_widget );
	446
	447	child->m_page = (GtkNotebookPage*) (g_list_last(notebook->children)->data);
	448
	449	wxMDIParentFrame parent_frame = (wxMDIParentFrame) parent->GetParent();
	450	parent_frame->m_justInserted = TRUE;
	451	}
	452
	453	//-----------------------------------------------------------------------------
	454	// wxMDIClientWindow
	455	//-----------------------------------------------------------------------------
	456
	457	IMPLEMENT_DYNAMIC_CLASS(wxMDIClientWindow,wxWindow)
	458
	459	wxMDIClientWindow::wxMDIClientWindow()
	460	{
	461	}
	462
	463	wxMDIClientWindow::wxMDIClientWindow( wxMDIParentFrame *parent, long style )
	464	{
	465	CreateClient( parent, style );
	466	}
	467
	468	wxMDIClientWindow::~wxMDIClientWindow()
	469	{
	470	}
	471
	472	bool wxMDIClientWindow::CreateClient( wxMDIParentFrame *parent, long style )
	473	{
	474	m_needParent = TRUE;
	475
	476	m_insertCallback = (wxInsertChildFunction)wxInsertChildInMDI;
	477
	478	if (!PreCreation( parent, wxDefaultPosition, wxDefaultSize ) \|\|
	479	!CreateBase( parent, -1, wxDefaultPosition, wxDefaultSize, style, wxDefaultValidator, wxT("wxMDIClientWindow") ))
	480	{
	481	wxFAIL_MSG( wxT("wxMDIClientWindow creation failed") );
	482	return FALSE;
	483	}
	484
	485	m_widget = gtk_notebook_new();
	486
	487	gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
	488	GTK_SIGNAL_FUNC(gtk_mdi_page_change_callback), (gpointer)parent );
	489
	490	gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
	491
	492	m_parent->DoAddChild( this );
	493
	494	PostCreation();
	495
	496	Show( TRUE );
	497
	498	return TRUE;
	499	}
	500
	501	#endif