src/gtk/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

//-----------------------------------------------------------------------------
// wxNotebookPage
//-----------------------------------------------------------------------------

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

  wxString           m_text;
  int                m_image;
  GtkNotebookPage   *m_page;
  GtkLabel          *m_label;
  wxWindow          *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;

        wxNotebookPage *page = (wxNotebookPage*) 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.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") );

    wxNotebookPage* 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") );

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

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

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

    wxNode *node = m_pages.Nth( page );

    return (wxNotebookPage *) 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 );

    return selOld;
}

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

    int sel = GetSelection();
    int max = GetPageCount();

    if (forward)
        SetSelection( sel == max ? 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") );

    wxNotebookPage* 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 */

    wxNotebookPage* 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 )
{
    wxNotebookPage* nb_page = GetNotebookPage(page);
    if (!nb_page) return FALSE;

    /* GTK sets GtkNotebook.cur_page to NULL before sending
       the switvh 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 )
{
    wxNotebookPage* nb_page = GetNotebookPage(page);

    if (!nb_page) return FALSE;

    gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );

    m_pages.DeleteObject( nb_page );

    return TRUE;
}

bool wxNotebook::InsertPage( int position, wxWindow* 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);

    wxNotebookPage *page = new wxNotebookPage();

    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(wxWindow* 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();
}

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

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

// 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;
}

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	// wxNotebookPage
	54	//-----------------------------------------------------------------------------
	55
	56	class wxNotebookPage: public wxObject
	57	{
	58	public:
	59	wxNotebookPage()
	60	{
	61	m_text = "";
	62	m_image = -1;
	63	m_page = (GtkNotebookPage *) NULL;
	64	m_client = (wxWindow *) 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	wxWindow *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	wxNotebookPage page = (wxNotebookPage) 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.SetCurrentFocus( win );
	182	if (!page->m_client->GetEventHandler()->ProcessEvent( event ))
	183	{
	184	page->m_client->SetFocus();
	185	}
	186
	187	gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
	188	return TRUE;
	189	}
	190
	191	return FALSE;
	192	}
	193
	194	//-----------------------------------------------------------------------------
	195	// InsertChild callback for wxNotebook
	196	//-----------------------------------------------------------------------------
	197
	198	static void wxInsertChildInNotebook( wxNotebook* WXUNUSED(parent), wxWindow* WXUNUSED(child) )
	199	{
	200	/* we don't do anything here but pray */
	201	}
	202
	203	//-----------------------------------------------------------------------------
	204	// wxNotebook
	205	//-----------------------------------------------------------------------------
	206
	207	IMPLEMENT_DYNAMIC_CLASS(wxNotebook,wxControl)
	208
	209	BEGIN_EVENT_TABLE(wxNotebook, wxControl)
	210	EVT_NAVIGATION_KEY(wxNotebook::OnNavigationKey)
	211	END_EVENT_TABLE()
	212
	213	void wxNotebook::Init()
	214	{
	215	m_imageList = (wxImageList *) NULL;
	216	m_pages.DeleteContents( TRUE );
	217	m_lastSelection = -1;
	218	}
	219
	220	wxNotebook::wxNotebook()
	221	{
	222	Init();
	223	}
	224
	225	wxNotebook::wxNotebook( wxWindow *parent, wxWindowID id,
	226	const wxPoint& pos, const wxSize& size,
	227	long style, const wxString& name )
	228	{
	229	Init();
	230	Create( parent, id, pos, size, style, name );
	231	}
	232
	233	wxNotebook::~wxNotebook()
	234	{
	235	/* don't generate change page events any more */
	236	gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
	237	GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
	238
	239	DeleteAllPages();
	240	}
	241
	242	bool wxNotebook::Create(wxWindow *parent, wxWindowID id,
	243	const wxPoint& pos, const wxSize& size,
	244	long style, const wxString& name )
	245	{
	246	m_needParent = TRUE;
	247	m_acceptsFocus = TRUE;
	248	m_insertCallback = (wxInsertChildFunction)wxInsertChildInNotebook;
	249
	250	if (!PreCreation( parent, pos, size ) \|\|
	251	!CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
	252	{
	253	wxFAIL_MSG( wxT("wxNoteBook creation failed") );
	254	return FALSE;
	255	}
	256
	257
	258	m_widget = gtk_notebook_new();
	259
	260	#ifdef __WXDEBUG__
	261	debug_focus_in( m_widget, wxT("wxNotebook::m_widget"), name );
	262	#endif
	263
	264	gtk_notebook_set_scrollable( GTK_NOTEBOOK(m_widget), 1 );
	265
	266	gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
	267	GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
	268
	269	m_parent->DoAddChild( this );
	270
	271	if (m_windowStyle & wxNB_RIGHT)
	272	gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_RIGHT );
	273	if (m_windowStyle & wxNB_LEFT)
	274	gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_LEFT );
	275	if (m_windowStyle & wxNB_BOTTOM)
	276	gtk_notebook_set_tab_pos( GTK_NOTEBOOK(m_widget), GTK_POS_BOTTOM );
	277
	278	gtk_signal_connect( GTK_OBJECT(m_widget), "key_press_event",
	279	GTK_SIGNAL_FUNC(gtk_notebook_key_press_callback), (gpointer)this );
	280
	281	PostCreation();
	282
	283	SetFont( parent->GetFont() );
	284
	285	gtk_signal_connect( GTK_OBJECT(m_widget), "realize",
	286	GTK_SIGNAL_FUNC(gtk_notebook_realized_callback), (gpointer) this );
	287
	288	Show( TRUE );
	289
	290	return TRUE;
	291	}
	292
	293	int wxNotebook::GetSelection() const
	294	{
	295	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
	296
	297	GList *pages = GTK_NOTEBOOK(m_widget)->children;
	298
	299	if (g_list_length(pages) == 0) return -1;
	300
	301	GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
	302
	303	if (notebook->cur_page == NULL) return m_lastSelection;
	304
	305	return g_list_index( pages, (gpointer)(notebook->cur_page) );
	306	}
	307
	308	int wxNotebook::GetPageCount() const
	309	{
	310	return (int) g_list_length( GTK_NOTEBOOK(m_widget)->children );
	311	}
	312
	313	int wxNotebook::GetRowCount() const
	314	{
	315	return 1;
	316	}
	317
	318	wxString wxNotebook::GetPageText( int page ) const
	319	{
	320	wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid notebook") );
	321
	322	wxNotebookPage* nb_page = GetNotebookPage(page);
	323	if (nb_page)
	324	return nb_page->m_text;
	325	else
	326	return wxT("");
	327	}
	328
	329	int wxNotebook::GetPageImage( int page ) const
	330	{
	331	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
	332
	333	wxNotebookPage* nb_page = GetNotebookPage(page);
	334	if (nb_page)
	335	return nb_page->m_image;
	336	else
	337	return -1;
	338	}
	339
	340	wxNotebookPage* wxNotebook::GetNotebookPage( int page ) const
	341	{
	342	wxCHECK_MSG( m_widget != NULL, (wxNotebookPage*) NULL, wxT("invalid notebook") );
	343
	344	wxCHECK_MSG( page < (int)m_pages.GetCount(), (wxNotebookPage*) NULL, wxT("invalid notebook index") );
	345
	346	wxNode *node = m_pages.Nth( page );
	347
	348	return (wxNotebookPage *) node->Data();
	349	}
	350
	351	int wxNotebook::SetSelection( int page )
	352	{
	353	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid notebook") );
	354
	355	wxCHECK_MSG( page < (int)m_pages.GetCount(), -1, wxT("invalid notebook index") );
	356
	357	int selOld = GetSelection();
	358
	359	gtk_notebook_set_page( GTK_NOTEBOOK(m_widget), page );
	360
	361	return selOld;
	362	}
	363
	364	void wxNotebook::AdvanceSelection( bool forward )
	365	{
	366	wxCHECK_RET( m_widget != NULL, wxT("invalid notebook") );
	367
	368	int sel = GetSelection();
	369	int max = GetPageCount();
	370
	371	if (forward)
	372	SetSelection( sel == max ? 0 : sel + 1 );
	373	else
	374	SetSelection( sel == 0 ? max-1 : sel - 1 );
	375	}
	376
	377	void wxNotebook::SetImageList( wxImageList* imageList )
	378	{
	379	m_imageList = imageList;
	380	}
	381
	382	bool wxNotebook::SetPageText( int page, const wxString &text )
	383	{
	384	wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
	385
	386	wxNotebookPage* nb_page = GetNotebookPage(page);
	387
	388	wxCHECK_MSG( nb_page, FALSE, wxT("SetPageText: invalid page index") );
	389
	390	nb_page->m_text = text;
	391
	392	gtk_label_set( nb_page->m_label, nb_page->m_text.mbc_str() );
	393
	394	return TRUE;
	395	}
	396
	397	bool wxNotebook::SetPageImage( int page, int image )
	398	{
	399	/* HvdH 28-12-98: now it works, but it's a bit of a kludge */
	400
	401	wxNotebookPage* nb_page = GetNotebookPage(page);
	402
	403	if (!nb_page) return FALSE;
	404
	405	/* Optimization posibility: return immediately if image unchanged.
	406	* Not enabled because it may break existing (stupid) code that
	407	* manipulates the imagelist to cycle images */
	408
	409	/* if (image == nb_page->m_image) return TRUE; */
	410
	411	/* For different cases:
	412	1) no image -> no image
	413	2) image -> no image
	414	3) no image -> image
	415	4) image -> image */
	416
	417	if (image == -1 && nb_page->m_image == -1)
	418	return TRUE; /* Case 1): Nothing to do. */
	419
	420	GtkWidget pixmapwid = (GtkWidget) NULL;
	421
	422	if (nb_page->m_image != -1)
	423	{
	424	/* Case 2) or 4). There is already an image in the gtkhbox. Let's find it */
	425
	426	GList *child = gtk_container_children(GTK_CONTAINER(nb_page->m_box));
	427	while (child)
	428	{
	429	if (GTK_IS_PIXMAP(child->data))
	430	{
	431	pixmapwid = GTK_WIDGET(child->data);
	432	break;
	433	}
	434	child = child->next;
	435	}
	436
	437	/* We should have the pixmap widget now */
	438	wxASSERT(pixmapwid != NULL);
	439
	440	if (image == -1)
	441	{
	442	/* If there's no new widget, just remove the old from the box */
	443	gtk_container_remove(GTK_CONTAINER(nb_page->m_box), pixmapwid);
	444	nb_page->m_image = -1;
	445
	446	return TRUE; /* Case 2) */
	447	}
	448	}
	449
	450	/* Only cases 3) and 4) left */
	451	wxASSERT( m_imageList != NULL ); /* Just in case */
	452
	453	/* Construct the new pixmap */
	454	const wxBitmap *bmp = m_imageList->GetBitmap(image);
	455	GdkPixmap *pixmap = bmp->GetPixmap();
	456	GdkBitmap mask = (GdkBitmap) NULL;
	457	if ( bmp->GetMask() )
	458	{
	459	mask = bmp->GetMask()->GetBitmap();
	460	}
	461
	462	if (pixmapwid == NULL)
	463	{
	464	/* Case 3) No old pixmap. Create a new one and prepend it to the hbox */
	465	pixmapwid = gtk_pixmap_new (pixmap, mask );
	466
	467	/* CHECKME: Are these pack flags okay? */
	468	gtk_box_pack_start(GTK_BOX(nb_page->m_box), pixmapwid, FALSE, FALSE, 3);
	469	gtk_widget_show(pixmapwid);
	470	}
	471	else
	472	{
	473	/* Case 4) Simply replace the pixmap */
	474	gtk_pixmap_set(GTK_PIXMAP(pixmapwid), pixmap, mask);
	475	}
	476
	477	nb_page->m_image = image;
	478
	479	return TRUE;
	480	}
	481
	482	void wxNotebook::SetPageSize( const wxSize &WXUNUSED(size) )
	483	{
	484	wxFAIL_MSG( wxT("wxNotebook::SetPageSize not implemented") );
	485	}
	486
	487	void wxNotebook::SetPadding( const wxSize &WXUNUSED(padding) )
	488	{
	489	wxFAIL_MSG( wxT("wxNotebook::SetPadding not implemented") );
	490	}
	491
	492	void wxNotebook::SetTabSize(const wxSize& WXUNUSED(sz))
	493	{
	494	wxFAIL_MSG( wxT("wxNotebook::SetTabSize not implemented") );
	495	}
	496
	497	bool wxNotebook::DeleteAllPages()
	498	{
	499	wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
	500
	501	while (m_pages.GetCount() > 0)
	502	DeletePage( m_pages.GetCount()-1 );
	503
	504	return TRUE;
	505	}
	506
	507	bool wxNotebook::DeletePage( int page )
	508	{
	509	wxNotebookPage* nb_page = GetNotebookPage(page);
	510	if (!nb_page) return FALSE;
	511
	512	/* GTK sets GtkNotebook.cur_page to NULL before sending
	513	the switvh page event */
	514	m_lastSelection = GetSelection();
	515
	516	nb_page->m_client->Destroy();
	517	m_pages.DeleteObject( nb_page );
	518
	519	m_lastSelection = -1;
	520
	521	return TRUE;
	522	}
	523
	524	bool wxNotebook::RemovePage( int page )
	525	{
	526	wxNotebookPage* nb_page = GetNotebookPage(page);
	527
	528	if (!nb_page) return FALSE;
	529
	530	gtk_notebook_remove_page( GTK_NOTEBOOK(m_widget), page );
	531
	532	m_pages.DeleteObject( nb_page );
	533
	534	return TRUE;
	535	}
	536
	537	bool wxNotebook::InsertPage( int position, wxWindow* win, const wxString& text,
	538	bool select, int imageId )
	539	{
	540	wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid notebook") );
	541
	542	wxCHECK_MSG( win->GetParent() == this, FALSE,
	543	wxT("Can't add a page whose parent is not the notebook!") );
	544
	545	/* don't receive switch page during addition */
	546	gtk_signal_disconnect_by_func( GTK_OBJECT(m_widget),
	547	GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer) this );
	548
	549	GtkNotebook *notebook = GTK_NOTEBOOK(m_widget);
	550
	551	wxNotebookPage *page = new wxNotebookPage();
	552
	553	if (position < 0)
	554	m_pages.Append( page );
	555	else
	556	m_pages.Insert( m_pages.Nth( position ), page );
	557
	558	page->m_client = win;
	559
	560	page->m_box = gtk_hbox_new( FALSE, 0 );
	561	gtk_container_border_width( GTK_CONTAINER(page->m_box), 2 );
	562
	563	gtk_signal_connect( GTK_OBJECT(win->m_widget), "size_allocate",
	564	GTK_SIGNAL_FUNC(gtk_page_size_callback), (gpointer)win );
	565
	566	if (position < 0)
	567	gtk_notebook_append_page( notebook, win->m_widget, page->m_box );
	568	else
	569	gtk_notebook_insert_page( notebook, win->m_widget, page->m_box, position );
	570
	571	page->m_page = (GtkNotebookPage*) g_list_last(notebook->children)->data;
	572
	573	/* set the label image */
	574	page->m_image = imageId;
	575
	576	if (imageId != -1)
	577	{
	578	wxASSERT( m_imageList != NULL );
	579
	580	const wxBitmap *bmp = m_imageList->GetBitmap(imageId);
	581	GdkPixmap *pixmap = bmp->GetPixmap();
	582	GdkBitmap mask = (GdkBitmap) NULL;
	583	if ( bmp->GetMask() )
	584	{
	585	mask = bmp->GetMask()->GetBitmap();
	586	}
	587
	588	GtkWidget *pixmapwid = gtk_pixmap_new (pixmap, mask );
	589
	590	gtk_box_pack_start(GTK_BOX(page->m_box), pixmapwid, FALSE, FALSE, 3);
	591
	592	gtk_widget_show(pixmapwid);
	593	}
	594
	595	/* set the label text */
	596	page->m_text = text;
	597	if (page->m_text.IsEmpty()) page->m_text = wxT("");
	598
	599	page->m_label = GTK_LABEL( gtk_label_new(page->m_text.mbc_str()) );
	600	gtk_box_pack_end( GTK_BOX(page->m_box), GTK_WIDGET(page->m_label), FALSE, FALSE, 3 );
	601
	602	/* show the label */
	603	gtk_widget_show( GTK_WIDGET(page->m_label) );
	604
	605	if (select && (m_pages.GetCount() > 1))
	606	{
	607	if (position < 0)
	608	SetSelection( GetPageCount()-1 );
	609	else
	610	SetSelection( position );
	611	}
	612
	613	gtk_signal_connect( GTK_OBJECT(m_widget), "switch_page",
	614	GTK_SIGNAL_FUNC(gtk_notebook_page_change_callback), (gpointer)this );
	615
	616	return TRUE;
	617	}
	618
	619	bool wxNotebook::AddPage(wxWindow* win, const wxString& text,
	620	bool select, int imageId)
	621	{
	622	return InsertPage( -1, win, text, select, imageId );
	623	}
	624
	625	void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
	626	{
	627	if (event.IsWindowChange())
	628	AdvanceSelection( event.GetDirection() );
	629	else
	630	event.Skip();
	631	}
	632
	633	wxWindow *wxNotebook::GetPage( int page ) const
	634	{
	635	wxCHECK_MSG( m_widget != NULL, (wxWindow*) NULL, wxT("invalid notebook") );
	636
	637	wxNotebookPage* nb_page = GetNotebookPage(page);
	638	if (!nb_page)
	639	return (wxWindow *) NULL;
	640	else
	641	return nb_page->m_client;
	642	}
	643
	644	// override these 2 functions to do nothing: everything is done in OnSize
	645	void wxNotebook::SetConstraintSizes( bool WXUNUSED(recurse) )
	646	{
	647	// don't set the sizes of the pages - their correct size is not yet known
	648	wxControl::SetConstraintSizes(FALSE);
	649	}
	650
	651	bool wxNotebook::DoPhase( int WXUNUSED(nPhase) )
	652	{
	653	return TRUE;
	654	}
	655
	656	void wxNotebook::ApplyWidgetStyle()
	657	{
	658	// TODO, font for labels etc
	659
	660	SetWidgetStyle();
	661	gtk_widget_set_style( m_widget, m_widgetStyle );
	662	}
	663
	664	bool wxNotebook::IsOwnGtkWindow( GdkWindow *window )
	665	{
	666	return ((m_widget->window == window) \|\|
	667	(GTK_NOTEBOOK(m_widget)->panel == window));
	668	}
	669
	670	//-----------------------------------------------------------------------------
	671	// wxNotebookEvent
	672	//-----------------------------------------------------------------------------
	673
	674	IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxNotifyEvent)
	675
	676	#endif