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() );
    int n = choice->GetSelection();

    event.SetInt( n );
    event.SetString( choice->GetStringSelection() );
    event.SetEventObject(choice);

    if ( choice->HasClientObjectData() )
        event.SetClientObject( choice->GetClientObject(n) );
    else if ( choice->HasClientUntypedData() )
        event.SetClientData( choice->GetClientData(n) );

    choice->GetEventHandler()->ProcessEvent(event);
}

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

IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)

wxChoice::wxChoice()
{
    m_strings = (wxSortedArrayString *)NULL;
}

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( wxT("wxChoice creation failed") );
        return FALSE;
    }

    m_widget = gtk_option_menu_new();

    if ( style & wxCB_SORT )
    {
        // if our m_strings != NULL, DoAppend() will check for it and insert
        // items in the correct order
        m_strings = new wxSortedArrayString;
    }

    GtkWidget *menu = gtk_menu_new();

    for (int i = 0; i < n; i++)
    {
        GtkAppendHelper(menu, choices[i]);
    }

    gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );

    m_parent->DoAddChild( this );

    PostCreation();

    SetFont( parent->GetFont() );

    wxSize size_best( DoGetBestSize() );
    wxSize new_size( size );
    if (new_size.x == -1)
        new_size.x = size_best.x;
    if (new_size.y == -1)
        new_size.y = size_best.y;
    if ((new_size.x != size.x) || (new_size.y != size.y))
        SetSize( new_size.x, new_size.y );

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

    Show( TRUE );

    return TRUE;
}

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

    delete m_strings;
}

int wxChoice::DoAppend( const wxString &item )
{
    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") );

    GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );

    return GtkAppendHelper(menu, item);
}

void wxChoice::DoSetItemClientData( int n, void* clientData )
{
    wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );

    wxNode *node = m_clientList.Nth( n );
    wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") );

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

void* wxChoice::DoGetItemClientData( int n ) const
{
    wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") );

    wxNode *node = m_clientList.Nth( n );
    wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") );

    return node->Data();
}

void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
{
    wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );

    wxNode *node = m_clientList.Nth( n );
    wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") );

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

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

wxClientData* wxChoice::DoGetItemClientObject( int n ) const
{
    wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") );

    wxNode *node = m_clientList.Nth( n );
    wxCHECK_MSG( node, (wxClientData *)NULL,
                 wxT("invalid index in wxChoice::DoGetItemClientObject") );

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

void wxChoice::Clear()
{
    wxCHECK_RET( m_widget != NULL, wxT("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 );

    if ( HasClientObjectData() )
    {
        // destroy the data (due to Robert's idea of using wxList<wxObject>
        // and not wxList<wxClientData> we can't just say
        // m_clientList.DeleteContents(TRUE) - this would crash!
        wxNode *node = m_clientList.First();
        while ( node )
        {
            delete (wxClientData *)node->Data();
            node = node->Next();
        }
    }
    m_clientList.Clear();

    if ( m_strings )
        m_strings->Clear();
}

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

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

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

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

    return -1;
}

int wxChoice::GetSelection() const
{
    wxCHECK_MSG( m_widget != NULL, -1, wxT("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;
}

void wxChoice::SetString( int WXUNUSED(n), const wxString& WXUNUSED(string) )
{
    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );

    wxFAIL_MSG(wxT("not implemented"));
}

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

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

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

    return wxT("");
}

int wxChoice::GetCount() const
{
    wxCHECK_MSG( m_widget != NULL, 0, wxT("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::SetSelection( int n )
{
    wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );

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

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;
    }
}

size_t wxChoice::GtkAppendHelper(GtkWidget *menu, const wxString& item)
{
    GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() );

    size_t index;
    if ( m_strings )
    {
        // sorted control, need to insert at the correct index
        index = m_strings->Add(item);

        gtk_menu_insert( GTK_MENU(menu), menu_item, index );

        if ( index )
        {
            m_clientList.Insert( m_clientList.Item(index - 1),
                                 (wxObject*) NULL );
        }
        else
        {
            m_clientList.Insert( (wxObject*) NULL );
        }
    }
    else
    {
        // normal control, just append
        gtk_menu_append( GTK_MENU(menu), menu_item );

        m_clientList.Append( (wxObject*) NULL );

        // don't call wxChoice::GetCount() from here because it doesn't work
        // if we're called from ctor (and GtkMenuShell is still NULL)
        index = m_clientList.GetCount() - 1;
    }

    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 );

    // return the index of the item in the control
    return index;
}

wxSize wxChoice::DoGetBestSize() const
{
    wxSize ret( wxControl::DoGetBestSize() );
    if (ret.x < 80) ret.x = 80;
    ret.y = 16 + gdk_char_height( m_widget->style->font, 'H' );
    return ret;
}

#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	int n = choice->GetSelection();
	50
	51	event.SetInt( n );
	52	event.SetString( choice->GetStringSelection() );
	53	event.SetEventObject(choice);
	54
	55	if ( choice->HasClientObjectData() )
	56	event.SetClientObject( choice->GetClientObject(n) );
	57	else if ( choice->HasClientUntypedData() )
	58	event.SetClientData( choice->GetClientData(n) );
	59
	60	choice->GetEventHandler()->ProcessEvent(event);
	61	}
	62
	63	//-----------------------------------------------------------------------------
	64	// wxChoice
	65	//-----------------------------------------------------------------------------
	66
	67	IMPLEMENT_DYNAMIC_CLASS(wxChoice,wxControl)
	68
	69	wxChoice::wxChoice()
	70	{
	71	m_strings = (wxSortedArrayString *)NULL;
	72	}
	73
	74	bool wxChoice::Create( wxWindow *parent, wxWindowID id,
	75	const wxPoint &pos, const wxSize &size,
	76	int n, const wxString choices[],
	77	long style, const wxValidator& validator, const wxString &name )
	78	{
	79	m_needParent = TRUE;
	80	#if (GTK_MINOR_VERSION > 0)
	81	m_acceptsFocus = TRUE;
	82	#endif
	83
	84	if (!PreCreation( parent, pos, size ) \|\|
	85	!CreateBase( parent, id, pos, size, style, validator, name ))
	86	{
	87	wxFAIL_MSG( wxT("wxChoice creation failed") );
	88	return FALSE;
	89	}
	90
	91	m_widget = gtk_option_menu_new();
	92
	93	if ( style & wxCB_SORT )
	94	{
	95	// if our m_strings != NULL, DoAppend() will check for it and insert
	96	// items in the correct order
	97	m_strings = new wxSortedArrayString;
	98	}
	99
	100	GtkWidget *menu = gtk_menu_new();
	101
	102	for (int i = 0; i < n; i++)
	103	{
	104	GtkAppendHelper(menu, choices[i]);
	105	}
	106
	107	gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
	108
	109	m_parent->DoAddChild( this );
	110
	111	PostCreation();
	112
	113	SetFont( parent->GetFont() );
	114
	115	wxSize size_best( DoGetBestSize() );
	116	wxSize new_size( size );
	117	if (new_size.x == -1)
	118	new_size.x = size_best.x;
	119	if (new_size.y == -1)
	120	new_size.y = size_best.y;
	121	if ((new_size.x != size.x) \|\| (new_size.y != size.y))
	122	SetSize( new_size.x, new_size.y );
	123
	124	SetBackgroundColour( parent->GetBackgroundColour() );
	125	SetForegroundColour( parent->GetForegroundColour() );
	126
	127	Show( TRUE );
	128
	129	return TRUE;
	130	}
	131
	132	wxChoice::~wxChoice()
	133	{
	134	Clear();
	135
	136	delete m_strings;
	137	}
	138
	139	int wxChoice::DoAppend( const wxString &item )
	140	{
	141	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice control") );
	142
	143	GtkWidget *menu = gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) );
	144
	145	return GtkAppendHelper(menu, item);
	146	}
	147
	148	void wxChoice::DoSetItemClientData( int n, void* clientData )
	149	{
	150	wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
	151
	152	wxNode *node = m_clientList.Nth( n );
	153	wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientData") );
	154
	155	node->SetData( (wxObject*) clientData );
	156	}
	157
	158	void* wxChoice::DoGetItemClientData( int n ) const
	159	{
	160	wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid choice control") );
	161
	162	wxNode *node = m_clientList.Nth( n );
	163	wxCHECK_MSG( node, NULL, wxT("invalid index in wxChoice::DoGetItemClientData") );
	164
	165	return node->Data();
	166	}
	167
	168	void wxChoice::DoSetItemClientObject( int n, wxClientData* clientData )
	169	{
	170	wxCHECK_RET( m_widget != NULL, wxT("invalid choice control") );
	171
	172	wxNode *node = m_clientList.Nth( n );
	173	wxCHECK_RET( node, wxT("invalid index in wxChoice::DoSetItemClientObject") );
	174
	175	wxClientData cd = (wxClientData) node->Data();
	176	delete cd;
	177
	178	node->SetData( (wxObject*) clientData );
	179	}
	180
	181	wxClientData* wxChoice::DoGetItemClientObject( int n ) const
	182	{
	183	wxCHECK_MSG( m_widget != NULL, (wxClientData*) NULL, wxT("invalid choice control") );
	184
	185	wxNode *node = m_clientList.Nth( n );
	186	wxCHECK_MSG( node, (wxClientData *)NULL,
	187	wxT("invalid index in wxChoice::DoGetItemClientObject") );
	188
	189	return (wxClientData*) node->Data();
	190	}
	191
	192	void wxChoice::Clear()
	193	{
	194	wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
	195
	196	gtk_option_menu_remove_menu( GTK_OPTION_MENU(m_widget) );
	197	GtkWidget *menu = gtk_menu_new();
	198	gtk_option_menu_set_menu( GTK_OPTION_MENU(m_widget), menu );
	199
	200	if ( HasClientObjectData() )
	201	{
	202	// destroy the data (due to Robert's idea of using wxList<wxObject>
	203	// and not wxList<wxClientData> we can't just say
	204	// m_clientList.DeleteContents(TRUE) - this would crash!
	205	wxNode *node = m_clientList.First();
	206	while ( node )
	207	{
	208	delete (wxClientData *)node->Data();
	209	node = node->Next();
	210	}
	211	}
	212	m_clientList.Clear();
	213
	214	if ( m_strings )
	215	m_strings->Clear();
	216	}
	217
	218	void wxChoice::Delete( int WXUNUSED(n) )
	219	{
	220	wxFAIL_MSG( wxT("wxChoice:Delete not implemented") );
	221	}
	222
	223	int wxChoice::FindString( const wxString &string ) const
	224	{
	225	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
	226
	227	// If you read this code once and you think you understand
	228	// it, then you are very wrong. Robert Roebling.
	229
	230	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	231	int count = 0;
	232	GList *child = menu_shell->children;
	233	while (child)
	234	{
	235	GtkBin *bin = GTK_BIN( child->data );
	236	GtkLabel label = (GtkLabel ) NULL;
	237	if (bin->child) label = GTK_LABEL(bin->child);
	238	if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
	239
	240	wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
	241
	242	if (string == wxString(label->label,*wxConvCurrent))
	243	return count;
	244
	245	child = child->next;
	246	count++;
	247	}
	248
	249	return -1;
	250	}
	251
	252	int wxChoice::GetSelection() const
	253	{
	254	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid choice") );
	255
	256	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	257	int count = 0;
	258	GList *child = menu_shell->children;
	259	while (child)
	260	{
	261	GtkBin *bin = GTK_BIN( child->data );
	262	if (!bin->child) return count;
	263	child = child->next;
	264	count++;
	265	}
	266
	267	return -1;
	268	}
	269
	270	void wxChoice::SetString( int WXUNUSED(n), const wxString& WXUNUSED(string) )
	271	{
	272	wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
	273
	274	wxFAIL_MSG(wxT("not implemented"));
	275	}
	276
	277	wxString wxChoice::GetString( int n ) const
	278	{
	279	wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid choice") );
	280
	281	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	282	int count = 0;
	283	GList *child = menu_shell->children;
	284	while (child)
	285	{
	286	GtkBin *bin = GTK_BIN( child->data );
	287	if (count == n)
	288	{
	289	GtkLabel label = (GtkLabel ) NULL;
	290	if (bin->child) label = GTK_LABEL(bin->child);
	291	if (!label) label = GTK_LABEL( GTK_BUTTON(m_widget)->child );
	292
	293	wxASSERT_MSG( label != NULL , wxT("wxChoice: invalid label") );
	294
	295	return wxString(label->label,*wxConvCurrent);
	296	}
	297	child = child->next;
	298	count++;
	299	}
	300
	301	wxFAIL_MSG( wxT("wxChoice: invalid index in GetString()") );
	302
	303	return wxT("");
	304	}
	305
	306	int wxChoice::GetCount() const
	307	{
	308	wxCHECK_MSG( m_widget != NULL, 0, wxT("invalid choice") );
	309
	310	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	311	int count = 0;
	312	GList *child = menu_shell->children;
	313	while (child)
	314	{
	315	count++;
	316	child = child->next;
	317	}
	318	return count;
	319	}
	320
	321	void wxChoice::SetSelection( int n )
	322	{
	323	wxCHECK_RET( m_widget != NULL, wxT("invalid choice") );
	324
	325	int tmp = n;
	326	gtk_option_menu_set_history( GTK_OPTION_MENU(m_widget), (gint)tmp );
	327	}
	328
	329	void wxChoice::ApplyWidgetStyle()
	330	{
	331	SetWidgetStyle();
	332
	333	GtkMenuShell *menu_shell = GTK_MENU_SHELL( gtk_option_menu_get_menu( GTK_OPTION_MENU(m_widget) ) );
	334
	335	gtk_widget_set_style( m_widget, m_widgetStyle );
	336	gtk_widget_set_style( GTK_WIDGET( menu_shell ), m_widgetStyle );
	337
	338	GList *child = menu_shell->children;
	339	while (child)
	340	{
	341	gtk_widget_set_style( GTK_WIDGET( child->data ), m_widgetStyle );
	342
	343	GtkBin *bin = GTK_BIN( child->data );
	344	GtkWidget label = (GtkWidget ) NULL;
	345	if (bin->child) label = bin->child;
	346	if (!label) label = GTK_BUTTON(m_widget)->child;
	347
	348	gtk_widget_set_style( label, m_widgetStyle );
	349
	350	child = child->next;
	351	}
	352	}
	353
	354	size_t wxChoice::GtkAppendHelper(GtkWidget *menu, const wxString& item)
	355	{
	356	GtkWidget *menu_item = gtk_menu_item_new_with_label( item.mbc_str() );
	357
	358	size_t index;
	359	if ( m_strings )
	360	{
	361	// sorted control, need to insert at the correct index
	362	index = m_strings->Add(item);
	363
	364	gtk_menu_insert( GTK_MENU(menu), menu_item, index );
	365
	366	if ( index )
	367	{
	368	m_clientList.Insert( m_clientList.Item(index - 1),
	369	(wxObject*) NULL );
	370	}
	371	else
	372	{
	373	m_clientList.Insert( (wxObject*) NULL );
	374	}
	375	}
	376	else
	377	{
	378	// normal control, just append
	379	gtk_menu_append( GTK_MENU(menu), menu_item );
	380
	381	m_clientList.Append( (wxObject*) NULL );
	382
	383	// don't call wxChoice::GetCount() from here because it doesn't work
	384	// if we're called from ctor (and GtkMenuShell is still NULL)
	385	index = m_clientList.GetCount() - 1;
	386	}
	387
	388	if (GTK_WIDGET_REALIZED(m_widget))
	389	{
	390	gtk_widget_realize( menu_item );
	391	gtk_widget_realize( GTK_BIN(menu_item)->child );
	392
	393	if (m_widgetStyle) ApplyWidgetStyle();
	394	}
	395
	396	gtk_signal_connect( GTK_OBJECT( menu_item ), "activate",
	397	GTK_SIGNAL_FUNC(gtk_choice_clicked_callback), (gpointer*)this );
	398
	399	gtk_widget_show( menu_item );
	400
	401	// return the index of the item in the control
	402	return index;
	403	}
	404
	405	wxSize wxChoice::DoGetBestSize() const
	406	{
	407	wxSize ret( wxControl::DoGetBestSize() );
	408	if (ret.x < 80) ret.x = 80;
	409	ret.y = 16 + gdk_char_height( m_widget->style->font, 'H' );
	410	return ret;
	411	}
	412
	413	#endif