src/gtk1/notebook.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        notebook.cpp
// Purpose:
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling, Vadim Zeitlin
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

#include "wx/notebook.h"

#if wxUSE_NOTEBOOK

#include "wx/panel.h"
#include "wx/utils.h"
#include "wx/imaglist.h"
#include "wx/intl.h"
#include "wx/log.h"

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

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

extern void wxapp_install_idle_handler();
extern bool g_isIdle;

//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------

extern bool   g_blockEventsOnDrag;

//-----------------------------------------------------------------------------
// debug
//-----------------------------------------------------------------------------

#ifdef __WXDEBUG__

extern void debug_focus_in( GtkWidget* widget, const wxChar* name, const wxChar *window );

#endif

//-----------------------------------------------------------------------------
// wxGtkNotebookPage
//-----------------------------------------------------------------------------

class wxGtkNotebookPage: public wxObject
{
public:
  wxGtkNotebookPage()
  {
    m_text = "";
    m_image = -1;
    m_page = (GtkNotebookPage *) NULL;
    m_client = (wxNotebookPage *) NULL;
    m_box = (GtkWidget *) NULL;
  }

  wxString           m_text;
  int                m_image;
  GtkNotebookPage   *m_page;
  GtkLabel          *m_label;
  wxNotebookPage    *m_client;
  GtkWidget         *m_box;     // in which the label and image are packed
};

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

static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
                                              GtkNotebookPage *WXUNUSED(page),
                                              gint page,
                                              wxNotebook *notebook )
{
    if (g_isIdle)
        wxapp_install_idle_handler();

    int old = notebook->GetSelection();

    wxNotebookEvent event1( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
                            notebook->GetId(), page, old );
    event1.SetEventObject( notebook );

    if ((notebook->GetEventHandler()->ProcessEvent( event1 )) &&
        !event1.IsAllowed() )
    {
        /* program doesn't allow the page change */
        gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget), "switch_page" );
        return;
    }

    wxNotebookEvent event2( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
                            notebook->GetId(), page, old );
    event2.SetEventObject( notebook );
    notebook->GetEventHandler()->ProcessEvent( event2 );
}

//-----------------------------------------------------------------------------
// "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))
    {
        return;
    }

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

    /* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
       here in order to make repositioning after resizing to take effect. */
    if ((gtk_major_version == 1) &&
        (gtk_minor_version == 2) &&
        (gtk_micro_version < 6) &&
        (win->m_wxwindow) &&
        (GTK_WIDGET_REALIZED(win->m_wxwindow)))
    {
        gtk_widget_size_allocate( win->m_wxwindow, alloc );
    }
}

//-----------------------------------------------------------------------------
// "realize" from m_widget
//-----------------------------------------------------------------------------

static gint
gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
{
    if (g_isIdle)
        wxapp_install_idle_handler();

    /* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
       here in order to make repositioning before showing to take effect. */
    gtk_widget_queue_resize( win->m_widget );

    return FALSE;
}

//-----------------------------------------------------------------------------
// "key_press_event"
//-----------------------------------------------------------------------------

static gint gtk_notebook_key_press_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxNotebook *win )
{
    if (g_isIdle)
        wxapp_install_idle_handler();

    if (!win->m_hasVMT) return FALSE;
    if (g_blockEventsOnDrag) return FALSE;

    /* win is a control: tab can be propagated up */
    if ((gdk_event->keyval == GDK_Tab) || (gdk_event->keyval == GDK_ISO_Left_Tab))
    {
        wxNode *node = win->m_pages.Nth( win->GetSelection() );
        if (!node) return FALSE;

        wxGtkNotebookPage *page = (wxGtkNotebookPage*) node->Data();

        wxNavigationKeyEvent event;
        event.SetEventObject( win );
        /* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
        event.SetDirection( (gdk_event->keyval == GDK_Tab) );
        /* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
        event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
        event.SetCurrentFocus( win );
        if (!page->m_client->GetEventHandler()->ProcessEvent( event ))
        {
             page->m_client->SetFocus();
        }

        gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
        return TRUE;
    }

    return FALSE;
}

//-----------------------------------------------------------------------------
// InsertChild callback for wxNotebook
//-----------------------------------------------------------------------------

static void wxInsertChildInNotebook( wxNotebook* WXUNUSED(parent), wxWindow* WXUNUSED(child) )
{
    /* we don't do anything here but pray */
}

//-----------------------------------------------------------------------------
// wxNotebook
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)

BEGIN_EVENT_TABLE(wxNotebook, wxControl)
    EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
END_EVENT_TABLE()

void wxNotebook::Init()
{
    m_imageList = (wxImageList *) NULL;
    m_pages.DeleteContents( TRUE );
    m_lastSelection = -1;
}

wxNotebook::wxNotebook()
{
    Init();
}

wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
      const wxPoint& pos, const wxSize& size,
      long style, const wxString& name )
{
    Init();
    Create( parent, id, pos, size, style, name );
}

wxNotebook::~wxNotebook()
{
    /* don't generate change page events any more */
    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );

    DeleteAllPages();
}

bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
      const wxPoint& pos, const wxSize& size,
      long style, const wxString& name )
{
    m_needParent = TRUE;
    m_acceptsFocus = TRUE;
    m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;

    if (!PreCreation( parent, pos, size ) ||
        !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
    {
        wxFAIL_MSG( wxT("wxNoteBook creation failed") );
        return FALSE;
    }


    m_widget = gtk_notebook_new();

#ifdef __WXDEBUG__
    debug_focus_in( m_widget, wxT("wxNotebook::m_widget"), name );
#endif

    gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );

    gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );

    m_parent->DoAddChild( this );

    if (m_windowStyle & wxNB_RIGHT)
        gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
    if (m_windowStyle & wxNB_LEFT)
        gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
    if (m_windowStyle & wxNB_BOTTOM)
        gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );

    gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
      GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );

    PostCreation();

    SetFont( parent->GetFont() );

    gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
                            GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );

    Show( TRUE );

    return TRUE;
}

int wxNotebook::GetSelection() const
{
    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );

    GList *pages = GTK_NOTEBOOK(m_widget)->children;

    if (g_list_length(pages) == 0) return -1;

    GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);

    if (notebook->cur_page == NULL) return m_lastSelection;

    return g_list_index( pages, (gpointer)(notebook->cur_page) );
}

int wxNotebook::GetPageCount() const
{
    return (int) g_list_length( GTK_NOTEBOOK(m_widget)->children );
}

int wxNotebook::GetRowCount() const
{
    return 1;
}

wxString wxNotebook::GetPageText( int page ) const
{
    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );

    wxGtkNotebookPage* nb_page = GetNotebookPage(page);
    if (nb_page)
        return nb_page->m_text;
    else
        return wxT("");
}

int wxNotebook::GetPageImage( int page ) const
{
    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );

    wxGtkNotebookPage* nb_page = GetNotebookPage(page);
    if (nb_page)
        return nb_page->m_image;
    else
        return -1;
}

wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
{
    wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );

    wxCHECK_MSG( page < (int)m_pages.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );

    wxNode *node = m_pages.Nth( page );

    return (wxGtkNotebookPage *) node->Data();
}

int wxNotebook::SetSelection( int page )
{
    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );

    wxCHECK_MSG( page < (int)m_pages.GetCount(), -1, wxT("invalid notebook index") );

    int selOld = GetSelection();

    gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );

    wxGtkNotebookPage* g_page = GetNotebookPage( page );
    if (g_page->m_client)
        g_page->m_client->SetFocus();

    return selOld;
}

void wxNotebook::AdvanceSelection( bool forward )
{
    wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );

    int max = GetPageCount();
    if ( !max )
    {
        // nothing to do with empty notebook
        return;
    }

    int sel = GetSelection();

    if (forward)
        SetSelection( sel == max - 1 ? 0 : sel + 1 );
    else
        SetSelection( sel == 0 ? max - 1 : sel - 1 );
}

void wxNotebook::SetImageList( wxImageList* imageList )
{
    m_imageList = imageList;
}

bool wxNotebook::SetPageText( int page, const wxString &text )
{
    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );

    wxGtkNotebookPage* nb_page = GetNotebookPage(page);

    wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );

    nb_page->m_text = text;

    gtk_label_set( nb_page->m_label, nb_page->m_text.mbc_str() );

    return TRUE;
}

bool wxNotebook::SetPageImage( int page, int image )
{
    /* HvdH 28-12-98: now it works, but it's a bit of a kludge */

    wxGtkNotebookPage* nb_page = GetNotebookPage(page);

    if (!nb_page) return FALSE;

    /* Optimization posibility: return immediately if image unchanged.
     * Not enabled because it may break existing (stupid) code that
     * manipulates the imagelist to cycle images */

    /* if (image == nb_page->m_image) return TRUE; */

    /* For different cases:
       1) no image -> no image
       2) image -> no image
       3) no image -> image
       4) image -> image */

    if (image == -1 && nb_page->m_image == -1)
        return TRUE; /* Case 1): Nothing to do. */

    GtkWidget *pixmapwid = (GtkWidget*) NULL;

    if (nb_page->m_image != -1)
    {
        /* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */

        GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
        while (child)
        {
            if (GTK_IS_PIXMAP(child->data))
            {
                pixmapwid = GTK_WIDGET(child->data);
                break;
            }
            child = child->next;
        }

        /* We should have the pixmap widget now */
        wxASSERT(pixmapwid != NULL);

        if (image == -1)
        {
            /* If there's no new widget, just remove the old from the box */
            gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
            nb_page->m_image = -1;

            return TRUE; /* Case 2) */
        }
    }

    /* Only cases 3) and 4) left */
    wxASSERT( m_imageList != NULL ); /* Just in case */

    /* Construct the new pixmap */
    const wxBitmap *bmp = m_imageList->GetBitmap(image);
    GdkPixmap *pixmap = bmp->GetPixmap();
    GdkBitmap *mask = (GdkBitmap*) NULL;
    if ( bmp->GetMask() )
    {
        mask = bmp->GetMask()->GetBitmap();
    }

    if (pixmapwid == NULL)
    {
        /* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
        pixmapwid = gtk_pixmap_new (pixmap, mask );

        /* CHECKME: Are these pack flags okay? */
        gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, 3);
        gtk_widget_show(pixmapwid);
    }
    else
    {
        /* Case 4) Simply replace the pixmap */
        gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
    }

    nb_page->m_image = image;

    return TRUE;
}

void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
{
    wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
}

void wxNotebook::SetPadding( const wxSize &WXUNUSED(padding) )
{
    wxFAIL_MSG( wxT("wxNotebook::SetPadding not implemented") );
}

void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
{
    wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
}

bool wxNotebook::DeleteAllPages()
{
    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );

    while (m_pages.GetCount() > 0)
        DeletePage( m_pages.GetCount()-1 );

    return TRUE;
}

bool wxNotebook::DeletePage( int page )
{
    wxGtkNotebookPage* nb_page = GetNotebookPage(page);
    if (!nb_page) return FALSE;

    /* GTK sets GtkNotebook.cur_page to NULL before sending
       the switch page event */
    m_lastSelection = GetSelection();

    nb_page->m_client->Destroy();
    m_pages.DeleteObject( nb_page );

    m_lastSelection = -1;

    return TRUE;
}

bool wxNotebook::RemovePage( int page )
{
    wxGtkNotebookPage* nb_page = GetNotebookPage(page);

    wxCHECK_MSG( nb_page, FALSE, _T("wxNotebook::RemovePage: invalid page") );

    gtk_widget_ref( nb_page->m_client->m_widget );
    gtk_widget_unrealize( nb_page->m_client->m_widget );
    gtk_widget_unparent( nb_page->m_client->m_widget );

    gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );

    m_pages.DeleteObject( nb_page );

    return TRUE;
}

bool wxNotebook::InsertPage( int position, wxNotebookPage* win, const wxString& text,
                             bool select, int imageId )
{
    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );

    wxCHECK_MSG( win->GetParent() == this, FALSE,
               wxT("Can't add a page whose parent is not the notebook!") );

    /* don't receive switch page during addition */
    gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );

    GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);

    wxGtkNotebookPage *page = new wxGtkNotebookPage();

    if (position < 0)
        m_pages.Append( page );
    else
        m_pages.Insert( m_pages.Nth( position ), page );

    page->m_client = win;

    page->m_box = gtk_hbox_new( FALSE, 0 );
    gtk_container_border_width( GTK_CONTAINER(page->m_box), 2 );

    gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
      GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );

    if (position < 0)
        gtk_notebook_append_page( notebook, win->m_widget, page->m_box );
    else
        gtk_notebook_insert_page( notebook, win->m_widget, page->m_box, position );

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

    /* set the label image */
    page->m_image = imageId;

    if (imageId != -1)
    {
        wxASSERT( m_imageList != NULL );

        const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
        GdkPixmap *pixmap = bmp->GetPixmap();
        GdkBitmap *mask = (GdkBitmap*) NULL;
        if ( bmp->GetMask() )
        {
            mask = bmp->GetMask()->GetBitmap();
        }

        GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );

        gtk_box_pack_start(GTK_BOX(page->m_box), pixmapwid, FALSE, FALSE, 3);

        gtk_widget_show(pixmapwid);
    }

    /* set the label text */
    page->m_text = text;
    if (page->m_text.IsEmpty()) page->m_text = wxT("");

    page->m_label = GTK_LABEL( gtk_label_new(page->m_text.mbc_str()) );
    gtk_box_pack_end( GTK_BOX(page->m_box), GTK_WIDGET(page->m_label), FALSE, FALSE, 3 );

    /* show the label */
    gtk_widget_show( GTK_WIDGET(page->m_label) );

    if (select && (m_pages.GetCount() > 1))
    {
        if (position < 0)
            SetSelection( GetPageCount()-1 );
        else
            SetSelection( position );
    }

    gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
      GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );

    return TRUE;
}

bool wxNotebook::AddPage(wxNotebookPage* win, const wxString& text,
                         bool select, int imageId)
{
    return InsertPage( -1, win, text, select, imageId );
}

void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
{
    if (event.IsWindowChange())
        AdvanceSelection( event.GetDirection() );
    else
        event.Skip();
}

wxNotebookPage *wxNotebook::GetPage( int page ) const
{
    wxCHECK_MSG( m_widget != NULL, (wxWindow*) NULL, wxT("invalid notebook") );

    wxGtkNotebookPage* nb_page = GetNotebookPage(page);
    if (!nb_page)
        return (wxNotebookPage *) NULL;
    else
        return nb_page->m_client;
}

#if wxUSE_CONSTRAINTS

// override these 2 functions to do nothing: everything is done in OnSize
void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
{
    // don't set the sizes of the pages - their correct size is not yet known
    wxControl::SetConstraintSizes(FALSE);
}

bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
{
    return TRUE;
}

#endif

void wxNotebook::ApplyWidgetStyle()
{
    // TODO, font for labels etc

    SetWidgetStyle();
    gtk_widget_set_style( m_widget, m_widgetStyle );
}

bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
{
    return ((m_widget->window == window) ||
            (GTK_NOTEBOOK(m_widget)->panel == window));
}

//-----------------------------------------------------------------------------
// wxNotebookEvent
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)

#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: notebook.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling, Vadim Zeitlin
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifdef __GNUG__
	11	#pragma implementation "notebook.h"
	12	#endif
	13
	14	#include "wx/notebook.h"
	15
	16	#if wxUSE_NOTEBOOK
	17
	18	#include "wx/panel.h"
	19	#include "wx/utils.h"
	20	#include "wx/imaglist.h"
	21	#include "wx/intl.h"
	22	#include "wx/log.h"
	23
	24	#include <gdk/gdk.h>
	25	#include <gtk/gtk.h>
	26	#include "wx/gtk/win_gtk.h"
	27	#include <gdk/gdkkeysyms.h>
	28
	29	//-----------------------------------------------------------------------------
	30	// idle system
	31	//-----------------------------------------------------------------------------
	32
	33	extern void wxapp_install_idle_handler();
	34	extern bool g_isIdle;
	35
	36	//-----------------------------------------------------------------------------
	37	// data
	38	//-----------------------------------------------------------------------------
	39
	40	extern bool g_blockEventsOnDrag;
	41
	42	//-----------------------------------------------------------------------------
	43	// debug
	44	//-----------------------------------------------------------------------------
	45
	46	#ifdef __WXDEBUG__
	47
	48	extern void debug_focus_in( GtkWidget* widget, const wxChar* name, const wxChar *window );
	49
	50	#endif
	51
	52	//-----------------------------------------------------------------------------
	53	// wxGtkNotebookPage
	54	//-----------------------------------------------------------------------------
	55
	56	class wxGtkNotebookPage: public wxObject
	57	{
	58	public:
	59	wxGtkNotebookPage()
	60	{
	61	m_text = "";
	62	m_image = -1;
	63	m_page = (GtkNotebookPage *) NULL;
	64	m_client = (wxNotebookPage *) NULL;
	65	m_box = (GtkWidget *) NULL;
	66	}
	67
	68	wxString m_text;
	69	int m_image;
	70	GtkNotebookPage *m_page;
	71	GtkLabel *m_label;
	72	wxNotebookPage *m_client;
	73	GtkWidget *m_box; // in which the label and image are packed
	74	};
	75
	76	//-----------------------------------------------------------------------------
	77	// "switch_page"
	78	//-----------------------------------------------------------------------------
	79
	80	static void gtk_notebook_page_change_callback(GtkNotebook *WXUNUSED(widget),
	81	GtkNotebookPage *WXUNUSED(page),
	82	gint page,
	83	wxNotebook *notebook )
	84	{
	85	if (g_isIdle)
	86	wxapp_install_idle_handler();
	87
	88	int old = notebook->GetSelection();
	89
	90	wxNotebookEvent event1( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGING,
	91	notebook->GetId(), page, old );
	92	event1.SetEventObject( notebook );
	93
	94	if ((notebook->GetEventHandler()->ProcessEvent( event1 )) &&
	95	!event1.IsAllowed() )
	96	{
	97	/* program doesn't allow the page change */
	98	gtk_signal_emit_stop_by_name( GTK_OBJECT(notebook->m_widget), "switch_page" );
	99	return;
	100	}
	101
	102	wxNotebookEvent event2( wxEVT_COMMAND_NOTEBOOK_PAGE_CHANGED,
	103	notebook->GetId(), page, old );
	104	event2.SetEventObject( notebook );
	105	notebook->GetEventHandler()->ProcessEvent( event2 );
	106	}
	107
	108	//-----------------------------------------------------------------------------
	109	// "size_allocate"
	110	//-----------------------------------------------------------------------------
	111
	112	static void gtk_page_size_callback( GtkWidget WXUNUSED(widget), GtkAllocation alloc, wxWindow *win )
	113	{
	114	if (g_isIdle)
	115	wxapp_install_idle_handler();
	116
	117	if ((win->m_x == alloc->x) &&
	118	(win->m_y == alloc->y) &&
	119	(win->m_width == alloc->width) &&
	120	(win->m_height == alloc->height))
	121	{
	122	return;
	123	}
	124
	125	win->SetSize( alloc->x, alloc->y, alloc->width, alloc->height );
	126
	127	/* GTK 1.2 up to version 1.2.5 is broken so that we have to call allocate
	128	here in order to make repositioning after resizing to take effect. */
	129	if ((gtk_major_version == 1) &&
	130	(gtk_minor_version == 2) &&
	131	(gtk_micro_version < 6) &&
	132	(win->m_wxwindow) &&
	133	(GTK_WIDGET_REALIZED(win->m_wxwindow)))
	134	{
	135	gtk_widget_size_allocate( win->m_wxwindow, alloc );
	136	}
	137	}
	138
	139	//-----------------------------------------------------------------------------
	140	// "realize" from m_widget
	141	//-----------------------------------------------------------------------------
	142
	143	static gint
	144	gtk_notebook_realized_callback( GtkWidget * WXUNUSED(widget), wxWindow *win )
	145	{
	146	if (g_isIdle)
	147	wxapp_install_idle_handler();
	148
	149	/* GTK 1.2 up to version 1.2.5 is broken so that we have to call a queue_resize
	150	here in order to make repositioning before showing to take effect. */
	151	gtk_widget_queue_resize( win->m_widget );
	152
	153	return FALSE;
	154	}
	155
	156	//-----------------------------------------------------------------------------
	157	// "key_press_event"
	158	//-----------------------------------------------------------------------------
	159
	160	static gint gtk_notebook_key_press_callback( GtkWidget widget, GdkEventKey gdk_event, wxNotebook *win )
	161	{
	162	if (g_isIdle)
	163	wxapp_install_idle_handler();
	164
	165	if (!win->m_hasVMT) return FALSE;
	166	if (g_blockEventsOnDrag) return FALSE;
	167
	168	/* win is a control: tab can be propagated up */
	169	if ((gdk_event->keyval == GDK_Tab) \|\| (gdk_event->keyval == GDK_ISO_Left_Tab))
	170	{
	171	wxNode *node = win->m_pages.Nth( win->GetSelection() );
	172	if (!node) return FALSE;
	173
	174	wxGtkNotebookPage page = (wxGtkNotebookPage) node->Data();
	175
	176	wxNavigationKeyEvent event;
	177	event.SetEventObject( win );
	178	/* GDK reports GDK_ISO_Left_Tab for SHIFT-TAB */
	179	event.SetDirection( (gdk_event->keyval == GDK_Tab) );
	180	/* CTRL-TAB changes the (parent) window, i.e. switch notebook page */
	181	event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
	182	event.SetCurrentFocus( win );
	183	if (!page->m_client->GetEventHandler()->ProcessEvent( event ))
	184	{
	185	page->m_client->SetFocus();
	186	}
	187
	188	gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
	189	return TRUE;
	190	}
	191
	192	return FALSE;
	193	}
	194
	195	//-----------------------------------------------------------------------------
	196	// InsertChild callback for wxNotebook
	197	//-----------------------------------------------------------------------------
	198
	199	static void wxInsertChildInNotebook( wxNotebook* WXUNUSED(parent), wxWindow* WXUNUSED(child) )
	200	{
	201	/* we don't do anything here but pray */
	202	}
	203
	204	//-----------------------------------------------------------------------------
	205	// wxNotebook
	206	//-----------------------------------------------------------------------------
	207
	208	IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
	209
	210	BEGIN_EVENT_TABLE(wxNotebook, wxControl)
	211	EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
	212	END_EVENT_TABLE()
	213
	214	void wxNotebook::Init()
	215	{
	216	m_imageList = (wxImageList *) NULL;
	217	m_pages.DeleteContents( TRUE );
	218	m_lastSelection = -1;
	219	}
	220
	221	wxNotebook::wxNotebook()
	222	{
	223	Init();
	224	}
	225
	226	wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
	227	const wxPoint& pos, const wxSize& size,
	228	long style, const wxString& name )
	229	{
	230	Init();
	231	Create( parent, id, pos, size, style, name );
	232	}
	233
	234	wxNotebook::~wxNotebook()
	235	{
	236	/* don't generate change page events any more */
	237	gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
	238	GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
	239
	240	DeleteAllPages();
	241	}
	242
	243	bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
	244	const wxPoint& pos, const wxSize& size,
	245	long style, const wxString& name )
	246	{
	247	m_needParent = TRUE;
	248	m_acceptsFocus = TRUE;
	249	m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
	250
	251	if (!PreCreation( parent, pos, size ) \|\|
	252	!CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
	253	{
	254	wxFAIL_MSG( wxT("wxNoteBook creation failed") );
	255	return FALSE;
	256	}
	257
	258
	259	m_widget = gtk_notebook_new();
	260
	261	#ifdef __WXDEBUG__
	262	debug_focus_in( m_widget, wxT("wxNotebook::m_widget"), name );
	263	#endif
	264
	265	gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
	266
	267	gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
	268	GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
	269
	270	m_parent->DoAddChild( this );
	271
	272	if (m_windowStyle & wxNB_RIGHT)
	273	gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
	274	if (m_windowStyle & wxNB_LEFT)
	275	gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
	276	if (m_windowStyle & wxNB_BOTTOM)
	277	gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
	278
	279	gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
	280	GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
	281
	282	PostCreation();
	283
	284	SetFont( parent->GetFont() );
	285
	286	gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
	287	GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
	288
	289	Show( TRUE );
	290
	291	return TRUE;
	292	}
	293
	294	int wxNotebook::GetSelection() const
	295	{
	296	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
	297
	298	GList *pages = GTK_NOTEBOOK(m_widget)->children;
	299
	300	if (g_list_length(pages) == 0) return -1;
	301
	302	GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
	303
	304	if (notebook->cur_page == NULL) return m_lastSelection;
	305
	306	return g_list_index( pages, (gpointer)(notebook->cur_page) );
	307	}
	308
	309	int wxNotebook::GetPageCount() const
	310	{
	311	return (int) g_list_length( GTK_NOTEBOOK(m_widget)->children );
	312	}
	313
	314	int wxNotebook::GetRowCount() const
	315	{
	316	return 1;
	317	}
	318
	319	wxString wxNotebook::GetPageText( int page ) const
	320	{
	321	wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
	322
	323	wxGtkNotebookPage* nb_page = GetNotebookPage(page);
	324	if (nb_page)
	325	return nb_page->m_text;
	326	else
	327	return wxT("");
	328	}
	329
	330	int wxNotebook::GetPageImage( int page ) const
	331	{
	332	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
	333
	334	wxGtkNotebookPage* nb_page = GetNotebookPage(page);
	335	if (nb_page)
	336	return nb_page->m_image;
	337	else
	338	return -1;
	339	}
	340
	341	wxGtkNotebookPage* wxNotebook::GetNotebookPage( int page ) const
	342	{
	343	wxCHECK_MSG( m_widget != NULL, (wxGtkNotebookPage*) NULL, wxT("invalid notebook") );
	344
	345	wxCHECK_MSG( page < (int)m_pages.GetCount(), (wxGtkNotebookPage*) NULL, wxT("invalid notebook index") );
	346
	347	wxNode *node = m_pages.Nth( page );
	348
	349	return (wxGtkNotebookPage *) node->Data();
	350	}
	351
	352	int wxNotebook::SetSelection( int page )
	353	{
	354	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
	355
	356	wxCHECK_MSG( page < (int)m_pages.GetCount(), -1, wxT("invalid notebook index") );
	357
	358	int selOld = GetSelection();
	359
	360	gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
	361
	362	wxGtkNotebookPage* g_page = GetNotebookPage( page );
	363	if (g_page->m_client)
	364	g_page->m_client->SetFocus();
	365
	366	return selOld;
	367	}
	368
	369	void wxNotebook::AdvanceSelection( bool forward )
	370	{
	371	wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
	372
	373	int max = GetPageCount();
	374	if ( !max )
	375	{
	376	// nothing to do with empty notebook
	377	return;
	378	}
	379
	380	int sel = GetSelection();
	381
	382	if (forward)
	383	SetSelection( sel == max - 1 ? 0 : sel + 1 );
	384	else
	385	SetSelection( sel == 0 ? max - 1 : sel - 1 );
	386	}
	387
	388	void wxNotebook::SetImageList( wxImageList* imageList )
	389	{
	390	m_imageList = imageList;
	391	}
	392
	393	bool wxNotebook::SetPageText( int page, const wxString &text )
	394	{
	395	wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
	396
	397	wxGtkNotebookPage* nb_page = GetNotebookPage(page);
	398
	399	wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
	400
	401	nb_page->m_text = text;
	402
	403	gtk_label_set( nb_page->m_label, nb_page->m_text.mbc_str() );
	404
	405	return TRUE;
	406	}
	407
	408	bool wxNotebook::SetPageImage( int page, int image )
	409	{
	410	/* HvdH 28-12-98: now it works, but it's a bit of a kludge */
	411
	412	wxGtkNotebookPage* nb_page = GetNotebookPage(page);
	413
	414	if (!nb_page) return FALSE;
	415
	416	/* Optimization posibility: return immediately if image unchanged.
	417	* Not enabled because it may break existing (stupid) code that
	418	* manipulates the imagelist to cycle images */
	419
	420	/* if (image == nb_page->m_image) return TRUE; */
	421
	422	/* For different cases:
	423	1) no image -> no image
	424	2) image -> no image
	425	3) no image -> image
	426	4) image -> image */
	427
	428	if (image == -1 && nb_page->m_image == -1)
	429	return TRUE; /* Case 1): Nothing to do. */
	430
	431	GtkWidget pixmapwid = (GtkWidget) NULL;
	432
	433	if (nb_page->m_image != -1)
	434	{
	435	/* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
	436
	437	GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
	438	while (child)
	439	{
	440	if (GTK_IS_PIXMAP(child->data))
	441	{
	442	pixmapwid = GTK_WIDGET(child->data);
	443	break;
	444	}
	445	child = child->next;
	446	}
	447
	448	/* We should have the pixmap widget now */
	449	wxASSERT(pixmapwid != NULL);
	450
	451	if (image == -1)
	452	{
	453	/* If there's no new widget, just remove the old from the box */
	454	gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
	455	nb_page->m_image = -1;
	456
	457	return TRUE; /* Case 2) */
	458	}
	459	}
	460
	461	/* Only cases 3) and 4) left */
	462	wxASSERT( m_imageList != NULL ); /* Just in case */
	463
	464	/* Construct the new pixmap */
	465	const wxBitmap *bmp = m_imageList->GetBitmap(image);
	466	GdkPixmap *pixmap = bmp->GetPixmap();
	467	GdkBitmap mask = (GdkBitmap) NULL;
	468	if ( bmp->GetMask() )
	469	{
	470	mask = bmp->GetMask()->GetBitmap();
	471	}
	472
	473	if (pixmapwid == NULL)
	474	{
	475	/* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
	476	pixmapwid = gtk_pixmap_new (pixmap, mask );
	477
	478	/* CHECKME: Are these pack flags okay? */
	479	gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, 3);
	480	gtk_widget_show(pixmapwid);
	481	}
	482	else
	483	{
	484	/* Case 4) Simply replace the pixmap */
	485	gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
	486	}
	487
	488	nb_page->m_image = image;
	489
	490	return TRUE;
	491	}
	492
	493	void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
	494	{
	495	wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
	496	}
	497
	498	void wxNotebook::SetPadding( const wxSize &WXUNUSED(padding) )
	499	{
	500	wxFAIL_MSG( wxT("wxNotebook::SetPadding not implemented") );
	501	}
	502
	503	void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
	504	{
	505	wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
	506	}
	507
	508	bool wxNotebook::DeleteAllPages()
	509	{
	510	wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
	511
	512	while (m_pages.GetCount() > 0)
	513	DeletePage( m_pages.GetCount()-1 );
	514
	515	return TRUE;
	516	}
	517
	518	bool wxNotebook::DeletePage( int page )
	519	{
	520	wxGtkNotebookPage* nb_page = GetNotebookPage(page);
	521	if (!nb_page) return FALSE;
	522
	523	/* GTK sets GtkNotebook.cur_page to NULL before sending
	524	the switch page event */
	525	m_lastSelection = GetSelection();
	526
	527	nb_page->m_client->Destroy();
	528	m_pages.DeleteObject( nb_page );
	529
	530	m_lastSelection = -1;
	531
	532	return TRUE;
	533	}
	534
	535	bool wxNotebook::RemovePage( int page )
	536	{
	537	wxGtkNotebookPage* nb_page = GetNotebookPage(page);
	538
	539	wxCHECK_MSG( nb_page, FALSE, _T("wxNotebook::RemovePage: invalid page") );
	540
	541	gtk_widget_ref( nb_page->m_client->m_widget );
	542	gtk_widget_unrealize( nb_page->m_client->m_widget );
	543	gtk_widget_unparent( nb_page->m_client->m_widget );
	544
	545	gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
	546
	547	m_pages.DeleteObject( nb_page );
	548
	549	return TRUE;
	550	}
	551
	552	bool wxNotebook::InsertPage( int position, wxNotebookPage* win, const wxString& text,
	553	bool select, int imageId )
	554	{
	555	wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
	556
	557	wxCHECK_MSG( win->GetParent() == this, FALSE,
	558	wxT("Can't add a page whose parent is not the notebook!") );
	559
	560	/* don't receive switch page during addition */
	561	gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
	562	GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
	563
	564	GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
	565
	566	wxGtkNotebookPage *page = new wxGtkNotebookPage();
	567
	568	if (position < 0)
	569	m_pages.Append( page );
	570	else
	571	m_pages.Insert( m_pages.Nth( position ), page );
	572
	573	page->m_client = win;
	574
	575	page->m_box = gtk_hbox_new( FALSE, 0 );
	576	gtk_container_border_width( GTK_CONTAINER(page->m_box), 2 );
	577
	578	gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
	579	GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
	580
	581	if (position < 0)
	582	gtk_notebook_append_page( notebook, win->m_widget, page->m_box );
	583	else
	584	gtk_notebook_insert_page( notebook, win->m_widget, page->m_box, position );
	585
	586	page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
	587
	588	/* set the label image */
	589	page->m_image = imageId;
	590
	591	if (imageId != -1)
	592	{
	593	wxASSERT( m_imageList != NULL );
	594
	595	const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
	596	GdkPixmap *pixmap = bmp->GetPixmap();
	597	GdkBitmap mask = (GdkBitmap) NULL;
	598	if ( bmp->GetMask() )
	599	{
	600	mask = bmp->GetMask()->GetBitmap();
	601	}
	602
	603	GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
	604
	605	gtk_box_pack_start(GTK_BOX(page->m_box), pixmapwid, FALSE, FALSE, 3);
	606
	607	gtk_widget_show(pixmapwid);
	608	}
	609
	610	/* set the label text */
	611	page->m_text = text;
	612	if (page->m_text.IsEmpty()) page->m_text = wxT("");
	613
	614	page->m_label = GTK_LABEL( gtk_label_new(page->m_text.mbc_str()) );
	615	gtk_box_pack_end( GTK_BOX(page->m_box), GTK_WIDGET(page->m_label), FALSE, FALSE, 3 );
	616
	617	/* show the label */
	618	gtk_widget_show( GTK_WIDGET(page->m_label) );
	619
	620	if (select && (m_pages.GetCount() > 1))
	621	{
	622	if (position < 0)
	623	SetSelection( GetPageCount()-1 );
	624	else
	625	SetSelection( position );
	626	}
	627
	628	gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
	629	GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
	630
	631	return TRUE;
	632	}
	633
	634	bool wxNotebook::AddPage(wxNotebookPage* win, const wxString& text,
	635	bool select, int imageId)
	636	{
	637	return InsertPage( -1, win, text, select, imageId );
	638	}
	639
	640	void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
	641	{
	642	if (event.IsWindowChange())
	643	AdvanceSelection( event.GetDirection() );
	644	else
	645	event.Skip();
	646	}
	647
	648	wxNotebookPage *wxNotebook::GetPage( int page ) const
	649	{
	650	wxCHECK_MSG( m_widget != NULL, (wxWindow*) NULL, wxT("invalid notebook") );
	651
	652	wxGtkNotebookPage* nb_page = GetNotebookPage(page);
	653	if (!nb_page)
	654	return (wxNotebookPage *) NULL;
	655	else
	656	return nb_page->m_client;
	657	}
	658
	659	#if wxUSE_CONSTRAINTS
	660
	661	// override these 2 functions to do nothing: everything is done in OnSize
	662	void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
	663	{
	664	// don't set the sizes of the pages - their correct size is not yet known
	665	wxControl::SetConstraintSizes(FALSE);
	666	}
	667
	668	bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
	669	{
	670	return TRUE;
	671	}
	672
	673	#endif
	674
	675	void wxNotebook::ApplyWidgetStyle()
	676	{
	677	// TODO, font for labels etc
	678
	679	SetWidgetStyle();
	680	gtk_widget_set_style( m_widget, m_widgetStyle );
	681	}
	682
	683	bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
	684	{
	685	return ((m_widget->window == window) \|\|
	686	(GTK_NOTEBOOK(m_widget)->panel == window));
	687	}
	688
	689	//-----------------------------------------------------------------------------
	690	// wxNotebookEvent
	691	//-----------------------------------------------------------------------------
	692
	693	IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
	694
	695	#endif