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/defs.h"

#if wxUSE_CHOICE

#include "wx/choice.h"

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