src/gtk/choice.cpp

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


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

#include "wx/choice.h"

#if wxUSE_CHOICE

#include "gdk/gdk.h"
#include "gtk/gtk.h"

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

extern void wxapp_install_idle_handler();
extern bool g_isIdle;

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

extern bool   g_blockEventsOnDrag;

//-----------------------------------------------------------------------------
// "activate"
//-----------------------------------------------------------------------------

static void gtk_choice_clicked_callback( GtkWidget *WXUNUSED(widget), wxChoice *choice )
{
    if (g_isIdle)
      wxapp_install_idle_handler();

    if (!choice->m_hasVMT) return;

    if (g_blockEventsOnDrag) return;

    wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() );
    event.SetInt( choice->GetSelection() );
    event.SetString( choice->GetStringSelection() );
    event.SetEventObject(choice);
    choice->GetEventHandler()->ProcessEvent(event);
}

//-----------------------------------------------------------------------------
// wxChoice
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)

wxChoice::wxChoice()
{
}

bool wxChoice::Create( wxWindow *parent, wxWindowID id,
                       const wxPoint &pos, const wxSize &size,
                       int n, const wxString choices[],
                       long style, const wxValidator& validator, const wxString &name )
{
    m_needParent = TRUE;
#if (GTK_MINOR_VERSION > 0)
    m_acceptsFocus = TRUE;
#endif

    if (!PreCreation( parent, pos, size ) ||
        !CreateBase( parent, id, pos, size, style, validator, name ))
    {
        wxFAIL_MSG( _T("wxChoice creation failed") );
	return FALSE;
    }

    m_widget = gtk_option_menu_new();

    wxSize newSize(size);
    if (newSize.x == -1)
        newSize.x = 80;
    if (newSize.y == -1)
        newSize.y = 26;
    SetSize( newSize.x, newSize.y );

    GtkWidget *menu = gtk_menu_new();

    for (int i = 0; i < n; i++)
    {
        m_clientDataList.Append( (wxObject*) NULL );
        m_clientObjectList.Append( (wxObject*) NULL );

        GtkWidget *item = gtk_menu_item_new_with_label( choices[i].mbc_str() );
        gtk_menu_append( GTK_MENU(menu), item );

        gtk_widget_show( item );

        gtk_signal_connect( GTK_OBJECT( item ), "activate",
          GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
    }
    gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );

    m_parent->DoAddChild( this );

    PostCreation();

    SetBackgroundColour( parent->GetBackgroundColour() );
    SetForegroundColour( parent->GetForegroundColour() );
    SetFont( parent->GetFont() );

    Show( TRUE );

    return TRUE;
}

wxChoice::~wxChoice()
{
    Clear();
}

void wxChoice::AppendCommon( const wxString &item )
{
    wxCHECK_RET( m_widget != NULL, _T("invalid choice") );

    GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
    GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() );

    gtk_menu_append( GTK_MENU(menu), menu_item );

    if (GTK_WIDGET_REALIZED(m_widget))
    {
        gtk_widget_realize( menu_item );
        gtk_widget_realize( GTK_BIN(menu_item)->child );

        if (m_widgetStyle) ApplyWidgetStyle();
    }

    gtk_signal_connect( GTK_OBJECT( menu_item ), "activate",
      GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );

    gtk_widget_show( menu_item );
}

void wxChoice::Append( const wxString &item )
{
    m_clientDataList.Append( (wxObject*) NULL );
    m_clientObjectList.Append( (wxObject*) NULL );

    AppendCommon( item );
}

void wxChoice::Append( const wxString &item, void *clientData )
{
    m_clientDataList.Append( (wxObject*) clientData );
    m_clientObjectList.Append( (wxObject*) NULL );

    AppendCommon( item );
}

void wxChoice::Append( const wxString &item, wxClientData *clientData )
{
    m_clientObjectList.Append( (wxObject*) clientData );
    m_clientDataList.Append( (wxObject*) NULL );

    AppendCommon( item );
}

void wxChoice::SetClientData( int n, void* clientData )
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );

    wxNode *node = m_clientDataList.Nth( n );
    if (!node) return;

    node->SetData( (wxObject*) clientData );
}

void* wxChoice::GetClientData( int n )
{
    wxCHECK_MSG( m_widget != NULL, NULL, _T("invalid combobox") );

    wxNode *node = m_clientDataList.Nth( n );
    if (!node) return NULL;

    return node->Data();
}

void wxChoice::SetClientObject( int n, wxClientData* clientData )
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );

    wxNode *node = m_clientObjectList.Nth( n );
    if (!node) return;

    wxClientData *cd = (wxClientData*) node->Data();
    if (cd) delete cd;

    node->SetData( (wxObject*) clientData );
}

wxClientData* wxChoice::GetClientObject( int n )
{
    wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, _T("invalid combobox") );

    wxNode *node = m_clientObjectList.Nth( n );
    if (!node) return (wxClientData*) NULL;

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

void wxChoice::Clear()
{
    wxCHECK_RET( m_widget != NULL, _T("invalid choice") );

    gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
    GtkWidget *menu = gtk_menu_new();
    gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );

    wxNode *node = m_clientObjectList.First();
    while (node)
    {
        wxClientData *cd = (wxClientData*)node->Data();
        if (cd) delete cd;
        node = node->Next();
    }
    m_clientObjectList.Clear();

    m_clientDataList.Clear();
}

void wxChoice::Delete( int WXUNUSED(n) )
{
    wxFAIL_MSG( _T("wxChoice:Delete not implemented") );
}

int wxChoice::FindString( const wxString &string ) const
{
    wxCHECK_MSG( m_widget != NULL, -1, _T("invalid choice") );

    // If you read this code once and you think you understand
    // it, then you are very wrong. Robert Roebling.

    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
    int count = 0;
    GList *child = menu_shell->children;
    while (child)
    {
        GtkBin *bin = GTK_BIN( child->data );
        GtkLabel *label = (GtkLabel *) NULL;
        if (bin->child) label = GTK_LABEL(bin->child);
        if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );

        wxASSERT_MSG( label != NULL , _T("wxChoice: invalid label") );

       if (string == wxString(label->label,*wxConvCurrent))
           return count;

       child = child->next;
       count++;
    }

    return -1;
}

int wxChoice::GetColumns() const
{
    return 1;
}

int wxChoice::GetSelection()
{
    wxCHECK_MSG( m_widget != NULL, -1, _T("invalid choice") );

    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
    int count = 0;
    GList *child = menu_shell->children;
    while (child)
    {
        GtkBin *bin = GTK_BIN( child->data );
        if (!bin->child) return count;
        child = child->next;
        count++;
    }

    return -1;
}

wxString wxChoice::GetString( int n ) const
{
    wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid choice") );

    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
    int count = 0;
    GList *child = menu_shell->children;
    while (child)
    {
        GtkBin *bin = GTK_BIN( child->data );
        if (count == n)
        {
            GtkLabel *label = (GtkLabel *) NULL;
            if (bin->child) label = GTK_LABEL(bin->child);
            if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );

            wxASSERT_MSG( label != NULL , _T("wxChoice: invalid label") );

            return wxString(label->label,*wxConvCurrent);
        }
        child = child->next;
        count++;
    }

    wxFAIL_MSG( _T("wxChoice: invalid index in GetString()") );

    return _T("");
}

wxString wxChoice::GetStringSelection() const
{
    wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid choice") );

    GtkLabel *label = GTK_LABEL( GTK_BUTTON(m_widget)->child );

    wxASSERT_MSG( label != NULL , _T("wxChoice: invalid label") );

    return wxString(label->label,*wxConvCurrent);
}

int wxChoice::Number() const
{
    wxCHECK_MSG( m_widget != NULL, 0, _T("invalid choice") );

    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
    int count = 0;
    GList *child = menu_shell->children;
    while (child)
    {
        count++;
        child = child->next;
    }
    return count;
}

void wxChoice::SetColumns( int WXUNUSED(n) )
{
}

void wxChoice::SetSelection( int n )
{
    wxCHECK_RET( m_widget != NULL, _T("invalid choice") );

    int tmp = n;
    gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
}

void wxChoice::SetStringSelection( const wxString &string )
{
    wxCHECK_RET( m_widget != NULL, _T("invalid choice") );

    int n = FindString( string );
    if (n != -1) SetSelection( n );
}

void wxChoice::DisableEvents()
{
/*
    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
    GList *child = menu_shell->children;
    while (child)
    {
        gtk_signal_disconnect_by_func( GTK_OBJECT( child->data ),
          GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );

        child = child->next;
    }
*/
}

void wxChoice::EnableEvents()
{
/*
    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
    GList *child = menu_shell->children;
    while (child)
    {
        gtk_signal_connect( GTK_OBJECT( child->data ), "activate",
          GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );

        child = child->next;
    }
*/
}

void wxChoice::ApplyWidgetStyle()
{
    SetWidgetStyle();

    GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );

    gtk_widget_set_style( m_widget, m_widgetStyle );
    gtk_widget_set_style( GTK_WIDGET( menu_shell ), m_widgetStyle );

    GList *child = menu_shell->children;
    while (child)
    {
        gtk_widget_set_style( GTK_WIDGET( child->data ), m_widgetStyle );

        GtkBin *bin = GTK_BIN( child->data );
        GtkWidget *label = (GtkWidget *) NULL;
        if (bin->child) label = bin->child;
        if (!label) label = GTK_BUTTON(m_widget)->child;

        gtk_widget_set_style( label, m_widgetStyle );

        child = child->next;
    }
}

#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: choice.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10
	11	#ifdef __GNUG__
	12	#pragma implementation "choice.h"
	13	#endif
	14
	15	#include "wx/choice.h"
	16
	17	#if wxUSE_CHOICE
	18
	19	#include "gdk/gdk.h"
	20	#include "gtk/gtk.h"
	21
	22	//-----------------------------------------------------------------------------
	23	// idle system
	24	//-----------------------------------------------------------------------------
	25
	26	extern void wxapp_install_idle_handler();
	27	extern bool g_isIdle;
	28
	29	//-----------------------------------------------------------------------------
	30	// data
	31	//-----------------------------------------------------------------------------
	32
	33	extern bool g_blockEventsOnDrag;
	34
	35	//-----------------------------------------------------------------------------
	36	// "activate"
	37	//-----------------------------------------------------------------------------
	38
	39	static void gtk_choice_clicked_callback( GtkWidget WXUNUSED(widget), wxChoice choice )
	40	{
	41	if (g_isIdle)
	42	wxapp_install_idle_handler();
	43
	44	if (!choice->m_hasVMT) return;
	45
	46	if (g_blockEventsOnDrag) return;
	47
	48	wxCommandEvent event(wxEVT_COMMAND_CHOICE_SELECTED, choice->GetId() );
	49	event.SetInt( choice->GetSelection() );
	50	event.SetString( choice->GetStringSelection() );
	51	event.SetEventObject(choice);
	52	choice->GetEventHandler()->ProcessEvent(event);
	53	}
	54
	55	//-----------------------------------------------------------------------------
	56	// wxChoice
	57	//-----------------------------------------------------------------------------
	58
	59	IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)
	60
	61	wxChoice::wxChoice()
	62	{
	63	}
	64
	65	bool wxChoice::Create( wxWindow *parent, wxWindowID id,
	66	const wxPoint &pos, const wxSize &size,
	67	int n, const wxString choices[],
	68	long style, const wxValidator& validator, const wxString &name )
	69	{
	70	m_needParent = TRUE;
	71	#if (GTK_MINOR_VERSION > 0)
	72	m_acceptsFocus = TRUE;
	73	#endif
	74
	75	if (!PreCreation( parent, pos, size ) \|\|
	76	!CreateBase( parent, id, pos, size, style, validator, name ))
	77	{
	78	wxFAIL_MSG( _T("wxChoice creation failed") );
	79	return FALSE;
	80	}
	81
	82	m_widget = gtk_option_menu_new();
	83
	84	wxSize newSize(size);
	85	if (newSize.x == -1)
	86	newSize.x = 80;
	87	if (newSize.y == -1)
	88	newSize.y = 26;
	89	SetSize( newSize.x, newSize.y );
	90
	91	GtkWidget *menu = gtk_menu_new();
	92
	93	for (int i = 0; i < n; i++)
	94	{
	95	m_clientDataList.Append( (wxObject*) NULL );
	96	m_clientObjectList.Append( (wxObject*) NULL );
	97
	98	GtkWidget *item = gtk_menu_item_new_with_label( choices[i].mbc_str() );
	99	gtk_menu_append( GTK_MENU(menu), item );
	100
	101	gtk_widget_show( item );
	102
	103	gtk_signal_connect( GTK_OBJECT( item ), "activate",
	104	GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
	105	}
	106	gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
	107
	108	m_parent->DoAddChild( this );
	109
	110	PostCreation();
	111
	112	SetBackgroundColour( parent->GetBackgroundColour() );
	113	SetForegroundColour( parent->GetForegroundColour() );
	114	SetFont( parent->GetFont() );
	115
	116	Show( TRUE );
	117
	118	return TRUE;
	119	}
	120
	121	wxChoice::~wxChoice()
	122	{
	123	Clear();
	124	}
	125
	126	void wxChoice::AppendCommon( const wxString &item )
	127	{
	128	wxCHECK_RET( m_widget != NULL, _T("invalid choice") );
	129
	130	GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
	131	GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() );
	132
	133	gtk_menu_append( GTK_MENU(menu), menu_item );
	134
	135	if (GTK_WIDGET_REALIZED(m_widget))
	136	{
	137	gtk_widget_realize( menu_item );
	138	gtk_widget_realize( GTK_BIN(menu_item)->child );
	139
	140	if (m_widgetStyle) ApplyWidgetStyle();
	141	}
	142
	143	gtk_signal_connect( GTK_OBJECT( menu_item ), "activate",
	144	GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
	145
	146	gtk_widget_show( menu_item );
	147	}
	148
	149	void wxChoice::Append( const wxString &item )
	150	{
	151	m_clientDataList.Append( (wxObject*) NULL );
	152	m_clientObjectList.Append( (wxObject*) NULL );
	153
	154	AppendCommon( item );
	155	}
	156
	157	void wxChoice::Append( const wxString &item, void *clientData )
	158	{
	159	m_clientDataList.Append( (wxObject*) clientData );
	160	m_clientObjectList.Append( (wxObject*) NULL );
	161
	162	AppendCommon( item );
	163	}
	164
	165	void wxChoice::Append( const wxString &item, wxClientData *clientData )
	166	{
	167	m_clientObjectList.Append( (wxObject*) clientData );
	168	m_clientDataList.Append( (wxObject*) NULL );
	169
	170	AppendCommon( item );
	171	}
	172
	173	void wxChoice::SetClientData( int n, void* clientData )
	174	{
	175	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	176
	177	wxNode *node = m_clientDataList.Nth( n );
	178	if (!node) return;
	179
	180	node->SetData( (wxObject*) clientData );
	181	}
	182
	183	void* wxChoice::GetClientData( int n )
	184	{
	185	wxCHECK_MSG( m_widget != NULL, NULL, _T("invalid combobox") );
	186
	187	wxNode *node = m_clientDataList.Nth( n );
	188	if (!node) return NULL;
	189
	190	return node->Data();
	191	}
	192
	193	void wxChoice::SetClientObject( int n, wxClientData* clientData )
	194	{
	195	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	196
	197	wxNode *node = m_clientObjectList.Nth( n );
	198	if (!node) return;
	199
	200	wxClientData cd = (wxClientData) node->Data();
	201	if (cd) delete cd;
	202
	203	node->SetData( (wxObject*) clientData );
	204	}
	205
	206	wxClientData* wxChoice::GetClientObject( int n )
	207	{
	208	wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, _T("invalid combobox") );
	209
	210	wxNode *node = m_clientObjectList.Nth( n );
	211	if (!node) return (wxClientData*) NULL;
	212
	213	return (wxClientData*) node->Data();
	214	}
	215
	216	void wxChoice::Clear()
	217	{
	218	wxCHECK_RET( m_widget != NULL, _T("invalid choice") );
	219
	220	gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
	221	GtkWidget *menu = gtk_menu_new();
	222	gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
	223
	224	wxNode *node = m_clientObjectList.First();
	225	while (node)
	226	{
	227	wxClientData cd = (wxClientData)node->Data();
	228	if (cd) delete cd;
	229	node = node->Next();
	230	}
	231	m_clientObjectList.Clear();
	232
	233	m_clientDataList.Clear();
	234	}
	235
	236	void wxChoice::Delete( int WXUNUSED(n) )
	237	{
	238	wxFAIL_MSG( _T("wxChoice:Delete not implemented") );
	239	}
	240
	241	int wxChoice::FindString( const wxString &string ) const
	242	{
	243	wxCHECK_MSG( m_widget != NULL, -1, _T("invalid choice") );
	244
	245	// If you read this code once and you think you understand
	246	// it, then you are very wrong. Robert Roebling.
	247
	248	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	249	int count = 0;
	250	GList *child = menu_shell->children;
	251	while (child)
	252	{
	253	GtkBin *bin = GTK_BIN( child->data );
	254	GtkLabel label = (GtkLabel ) NULL;
	255	if (bin->child) label = GTK_LABEL(bin->child);
	256	if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
	257
	258	wxASSERT_MSG( label != NULL , _T("wxChoice: invalid label") );
	259
	260	if (string == wxString(label->label,*wxConvCurrent))
	261	return count;
	262
	263	child = child->next;
	264	count++;
	265	}
	266
	267	return -1;
	268	}
	269
	270	int wxChoice::GetColumns() const
	271	{
	272	return 1;
	273	}
	274
	275	int wxChoice::GetSelection()
	276	{
	277	wxCHECK_MSG( m_widget != NULL, -1, _T("invalid choice") );
	278
	279	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	280	int count = 0;
	281	GList *child = menu_shell->children;
	282	while (child)
	283	{
	284	GtkBin *bin = GTK_BIN( child->data );
	285	if (!bin->child) return count;
	286	child = child->next;
	287	count++;
	288	}
	289
	290	return -1;
	291	}
	292
	293	wxString wxChoice::GetString( int n ) const
	294	{
	295	wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid choice") );
	296
	297	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	298	int count = 0;
	299	GList *child = menu_shell->children;
	300	while (child)
	301	{
	302	GtkBin *bin = GTK_BIN( child->data );
	303	if (count == n)
	304	{
	305	GtkLabel label = (GtkLabel ) NULL;
	306	if (bin->child) label = GTK_LABEL(bin->child);
	307	if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
	308
	309	wxASSERT_MSG( label != NULL , _T("wxChoice: invalid label") );
	310
	311	return wxString(label->label,*wxConvCurrent);
	312	}
	313	child = child->next;
	314	count++;
	315	}
	316
	317	wxFAIL_MSG( _T("wxChoice: invalid index in GetString()") );
	318
	319	return _T("");
	320	}
	321
	322	wxString wxChoice::GetStringSelection() const
	323	{
	324	wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid choice") );
	325
	326	GtkLabel *label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
	327
	328	wxASSERT_MSG( label != NULL , _T("wxChoice: invalid label") );
	329
	330	return wxString(label->label,*wxConvCurrent);
	331	}
	332
	333	int wxChoice::Number() const
	334	{
	335	wxCHECK_MSG( m_widget != NULL, 0, _T("invalid choice") );
	336
	337	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	338	int count = 0;
	339	GList *child = menu_shell->children;
	340	while (child)
	341	{
	342	count++;
	343	child = child->next;
	344	}
	345	return count;
	346	}
	347
	348	void wxChoice::SetColumns( int WXUNUSED(n) )
	349	{
	350	}
	351
	352	void wxChoice::SetSelection( int n )
	353	{
	354	wxCHECK_RET( m_widget != NULL, _T("invalid choice") );
	355
	356	int tmp = n;
	357	gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
	358	}
	359
	360	void wxChoice::SetStringSelection( const wxString &string )
	361	{
	362	wxCHECK_RET( m_widget != NULL, _T("invalid choice") );
	363
	364	int n = FindString( string );
	365	if (n != -1) SetSelection( n );
	366	}
	367
	368	void wxChoice::DisableEvents()
	369	{
	370	/*
	371	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	372	GList *child = menu_shell->children;
	373	while (child)
	374	{
	375	gtk_signal_disconnect_by_func( GTK_OBJECT( child->data ),
	376	GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
	377
	378	child = child->next;
	379	}
	380	*/
	381	}
	382
	383	void wxChoice::EnableEvents()
	384	{
	385	/*
	386	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	387	GList *child = menu_shell->children;
	388	while (child)
	389	{
	390	gtk_signal_connect( GTK_OBJECT( child->data ), "activate",
	391	GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
	392
	393	child = child->next;
	394	}
	395	*/
	396	}
	397
	398	void wxChoice::ApplyWidgetStyle()
	399	{
	400	SetWidgetStyle();
	401
	402	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	403
	404	gtk_widget_set_style( m_widget, m_widgetStyle );
	405	gtk_widget_set_style( GTK_WIDGET( menu_shell ), m_widgetStyle );
	406
	407	GList *child = menu_shell->children;
	408	while (child)
	409	{
	410	gtk_widget_set_style( GTK_WIDGET( child->data ), m_widgetStyle );
	411
	412	GtkBin *bin = GTK_BIN( child->data );
	413	GtkWidget label = (GtkWidget ) NULL;
	414	if (bin->child) label = bin->child;
	415	if (!label) label = GTK_BUTTON(m_widget)->child;
	416
	417	gtk_widget_set_style( label, m_widgetStyle );
	418
	419	child = child->next;
	420	}
	421	}
	422
	423	#endif