src/gtk/combobox.cpp

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

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

#include "wx/combobox.h"

#if wxUSE_COMBOBOX

#include "wx/settings.h"

#include <wx/intl.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;

//-----------------------------------------------------------------------------
// "select"
//-----------------------------------------------------------------------------

static void
gtk_combo_clicked_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
{
    if (g_isIdle) wxapp_install_idle_handler();

    if (!combo->m_hasVMT) return;

    if (g_blockEventsOnDrag) return;

    if (combo->m_alreadySent)
    {
        combo->m_alreadySent = FALSE;
        return;
    }

    combo->m_alreadySent = TRUE;

    wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
    event.SetInt( combo->GetSelection() );
    event.SetString( combo->GetStringSelection() );
    event.SetEventObject( combo );

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

//-----------------------------------------------------------------------------
//  "changed"
//-----------------------------------------------------------------------------

static void
gtk_text_changed_callback( GtkWidget *WXUNUSED(widget), wxComboBox *combo )
{
    if (g_isIdle) wxapp_install_idle_handler();

    if (!combo->m_hasVMT) return;

    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
    event.SetString( combo->GetValue() );
    event.SetEventObject( combo );
    combo->GetEventHandler()->ProcessEvent( event );
}

//-----------------------------------------------------------------------------
// wxComboBox
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl)

BEGIN_EVENT_TABLE(wxComboBox, wxControl)
    EVT_SIZE(wxComboBox::OnSize)
    EVT_CHAR(wxComboBox::OnChar)
END_EVENT_TABLE()

bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
                         const wxPoint& pos, const wxSize& size,
                         int n, const wxString choices[],
                         long style, const wxValidator& validator,
                         const wxString& name )
{
    m_alreadySent = FALSE;
    m_needParent = TRUE;
    m_acceptsFocus = TRUE;

    PreCreation( parent, id, pos, size, style, name );

#if wxUSE_VALIDATORS
    SetValidator( validator );
#endif

    m_widget = gtk_combo_new();

    // make it more useable
    gtk_combo_set_use_arrows_always(GTK_COMBO(m_widget), TRUE);

    wxSize newSize = size;
    if (newSize.x == -1)
        newSize.x = 100;
    if (newSize.y == -1)
        newSize.y = 26;
    SetSize( newSize.x, newSize.y );

    GtkWidget *list = GTK_COMBO(m_widget)->list;

    for (int i = 0; i < n; i++)
    {
        /* don't send first event, which GTK sends aways when
	   inserting the first item */
        m_alreadySent = TRUE;

        GtkWidget *list_item = gtk_list_item_new_with_label( choices[i].mbc_str() );

        m_clientDataList.Append( (wxObject*)NULL );
        m_clientObjectList.Append( (wxObject*)NULL );

        gtk_container_add( GTK_CONTAINER(list), list_item );

        gtk_signal_connect( GTK_OBJECT(list_item), "select",
           GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );

        gtk_widget_show( list_item );
    }

    m_parent->DoAddChild( this );

    PostCreation();

    ConnectWidget( GTK_COMBO(m_widget)->button );

    if (!value.IsNull()) SetValue( value );

    if (style & wxCB_READONLY)
        gtk_entry_set_editable( GTK_ENTRY( GTK_COMBO(m_widget)->entry ), FALSE );

    gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed",
      GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);

    SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_WINDOW ) );
    SetForegroundColour( parent->GetForegroundColour() );
    SetFont( parent->GetFont() );

    Show( TRUE );

    return TRUE;
}

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

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

    GtkWidget *list = GTK_COMBO(m_widget)->list;

    GtkWidget *list_item = gtk_list_item_new_with_label( item.mbc_str() );

    gtk_container_add( GTK_CONTAINER(list), list_item );

    gtk_signal_connect( GTK_OBJECT(list_item), "select",
      GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );

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

        if (m_widgetStyle) ApplyWidgetStyle();
    }

    gtk_widget_show( list_item );
}

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

    AppendCommon( item );
}

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

    AppendCommon( item );
}

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

    AppendCommon( item );
}

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

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

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

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

    GtkWidget *list = GTK_COMBO(m_widget)->list;
    gtk_list_clear_items( GTK_LIST(list), 0, Number() );

    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 wxComboBox::Delete( int n )
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );

    GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list );

    GList *child = g_list_nth( listbox->children, n );

    if (!child)
    {
        wxFAIL_MSG(_T("wrong index"));
        return;
    }

    GList *list = g_list_append( (GList*) NULL, child->data );
    gtk_list_remove_items( listbox, list );
    g_list_free( list );

    wxNode *node = m_clientObjectList.Nth( n );
    if (node)
    {
        wxClientData *cd = (wxClientData*)node->Data();
        if (cd) delete cd;
        m_clientObjectList.DeleteNode( node );
    }

    node = m_clientDataList.Nth( n );
    if (node)
    {
        m_clientDataList.DeleteNode( node );
    }
}

int wxComboBox::FindString( const wxString &item )
{
    wxCHECK_MSG( m_widget != NULL, -1, _T("invalid combobox") );

    GtkWidget *list = GTK_COMBO(m_widget)->list;

    GList *child = GTK_LIST(list)->children;
    int count = 0;
    while (child)
    {
        GtkBin *bin = GTK_BIN( child->data );
        GtkLabel *label = GTK_LABEL( bin->child );
        if (item == wxString(label->label,*wxConvCurrent))
            return count;
        count++;
        child = child->next;
    }

    return wxNOT_FOUND;
}

int wxComboBox::GetSelection() const
{
    wxCHECK_MSG( m_widget != NULL, -1, _T("invalid combobox") );

    GtkWidget *list = GTK_COMBO(m_widget)->list;

    GList *selection = GTK_LIST(list)->selection;
    if (selection)
    {
        GList *child = GTK_LIST(list)->children;
        int count = 0;
        while (child)
        {
            if (child->data == selection->data) return count;
            count++;
            child = child->next;
        }
    }

    wxFAIL_MSG( _T("wxComboBox: no selection") );

    return -1;
}

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

    GtkWidget *list = GTK_COMBO(m_widget)->list;

    wxString str;
    GList *child = g_list_nth( GTK_LIST(list)->children, n );
    if (child)
    {
        GtkBin *bin = GTK_BIN( child->data );
        GtkLabel *label = GTK_LABEL( bin->child );
        str = wxString(label->label,*wxConvCurrent);
    }
    else
    {
        wxFAIL_MSG( _T("wxComboBox: wrong index") );
    }

    return str;
}

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

    GtkWidget *list = GTK_COMBO(m_widget)->list;

    GList *selection = GTK_LIST(list)->selection;
    if (selection)
    {
        GtkBin *bin = GTK_BIN( selection->data );
        wxString tmp = wxString(GTK_LABEL( bin->child )->label,*wxConvCurrent);
        return tmp;
    }

    wxFAIL_MSG( _T("wxComboBox: no selection") );

    return _T("");
}

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

    GtkWidget *list = GTK_COMBO(m_widget)->list;

    GList *child = GTK_LIST(list)->children;
    int count = 0;
    while (child) { count++; child = child->next; }
    return count;
}

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

    GtkWidget *list = GTK_COMBO(m_widget)->list;
    gtk_list_select_item( GTK_LIST(list), n );
}

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

    int res = FindString( string );
    if (res == -1) return;
    SetSelection( res );
}

wxString wxComboBox::GetValue() const
{
    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
    wxString tmp = wxString(gtk_entry_get_text( GTK_ENTRY(entry) ),*wxConvCurrent);
    return tmp;
}

void wxComboBox::SetValue( const wxString& value )
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );

    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
    wxString tmp = _T("");
    if (!value.IsNull()) tmp = value;
    gtk_entry_set_text( GTK_ENTRY(entry), tmp.mbc_str() );
}

void wxComboBox::Copy()
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );

    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
#if (GTK_MINOR_VERSION > 0)
    gtk_editable_copy_clipboard( GTK_EDITABLE(entry) );
#else
    gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 );
#endif
}

void wxComboBox::Cut()
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );

    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
#if (GTK_MINOR_VERSION > 0)
    gtk_editable_cut_clipboard( GTK_EDITABLE(entry) );
#else
    gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 );
#endif
}

void wxComboBox::Paste()
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );

    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
#if (GTK_MINOR_VERSION > 0)
    gtk_editable_paste_clipboard( GTK_EDITABLE(entry) );
#else
    gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 );
#endif
}

void wxComboBox::SetInsertionPoint( long pos )
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );

    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
    gtk_entry_set_position( GTK_ENTRY(entry), (int)pos );
}

void wxComboBox::SetInsertionPointEnd()
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );

    SetInsertionPoint( -1 );
}

long wxComboBox::GetInsertionPoint() const
{
    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
    return (long) GTK_EDITABLE(entry)->current_pos;
}

long wxComboBox::GetLastPosition() const
{
    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
    int pos = GTK_ENTRY(entry)->text_length;
    return (long) pos-1;
}

void wxComboBox::Replace( long from, long to, const wxString& value )
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
    // FIXME: not quite sure how to do this method right in multibyte mode

    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
    gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
    if (value.IsNull()) return;
    gint pos = (gint)to;
    gtk_editable_insert_text( GTK_EDITABLE(entry), value.mbc_str(), value.Length(), &pos );
}

void wxComboBox::Remove(long from, long to)
{
    wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );

    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
    gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
}

void wxComboBox::SetSelection( long from, long to )
{
    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
    gtk_editable_select_region( GTK_EDITABLE(entry), (gint)from, (gint)to );
}

void wxComboBox::SetEditable( bool editable )
{
    GtkWidget *entry = GTK_COMBO(m_widget)->entry;
    gtk_entry_set_editable( GTK_ENTRY(entry), editable );
}

void wxComboBox::OnChar( wxKeyEvent &event )
{
    if ( event.KeyCode() == WXK_RETURN )
    {
        wxString value = GetValue();

        if ( Number() == 0 )
        {
            // make Enter generate "selected" event if there is only one item
            // in the combobox - without it, it's impossible to select it at
            // all!
            wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
            event.SetInt( 0 );
            event.SetString( value );
            event.SetEventObject( this );
            GetEventHandler()->ProcessEvent( event );
        }
        else
        {
            // add the item to the list if it's not there yet
            if ( FindString(value) == wxNOT_FOUND )
            {
                Append(value);

                // and generate the selected event for it
                wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
                event.SetInt( Number() - 1 );
                event.SetString( value );
                event.SetEventObject( this );
                GetEventHandler()->ProcessEvent( event );
            }
            //else: do nothing, this will open the listbox
        }
    }

    event.Skip();
}

void wxComboBox::OnSize( wxSizeEvent &event )
{
    event.Skip();

    return;

    int w = 21;
    gtk_widget_set_usize( GTK_COMBO(m_widget)->entry, m_width-w-1, m_height );

    gtk_widget_set_uposition( GTK_COMBO(m_widget)->button, m_x+m_width-w, m_y );
    gtk_widget_set_usize( GTK_COMBO(m_widget)->button, w, m_height );
}

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

//    gtk_widget_set_style( GTK_COMBO(m_widget)->button, m_widgetStyle );
    gtk_widget_set_style( GTK_COMBO(m_widget)->entry, m_widgetStyle );
    gtk_widget_set_style( GTK_COMBO(m_widget)->list, m_widgetStyle );

    GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
    GList *child = list->children;
    while (child)
    {
        gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );

        GtkBin *bin = GTK_BIN(child->data);
        gtk_widget_set_style( bin->child, m_widgetStyle );

        child = child->next;
    }
}

GtkWidget* wxComboBox::GetConnectWidget()
{
    return GTK_COMBO(m_widget)->entry;
}

bool wxComboBox::IsOwnGtkWindow( GdkWindow *window )
{
    return ( (window == GTK_ENTRY( GTK_COMBO(m_widget)->entry )->text_area) ||
             (window == GTK_COMBO(m_widget)->button->window ) );
}

#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: combobox.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifdef __GNUG__
	11	#pragma implementation "combobox.h"
	12	#endif
	13
	14	#include "wx/combobox.h"
	15
	16	#if wxUSE_COMBOBOX
	17
	18	#include "wx/settings.h"
	19
	20	#include <wx/intl.h>
	21
	22	#include "gdk/gdk.h"
	23	#include "gtk/gtk.h"
	24
	25	//-----------------------------------------------------------------------------
	26	// idle system
	27	//-----------------------------------------------------------------------------
	28
	29	extern void wxapp_install_idle_handler();
	30	extern bool g_isIdle;
	31
	32	//-----------------------------------------------------------------------------
	33	// data
	34	//-----------------------------------------------------------------------------
	35
	36	extern bool g_blockEventsOnDrag;
	37
	38	//-----------------------------------------------------------------------------
	39	// "select"
	40	//-----------------------------------------------------------------------------
	41
	42	static void
	43	gtk_combo_clicked_callback( GtkWidget WXUNUSED(widget), wxComboBox combo )
	44	{
	45	if (g_isIdle) wxapp_install_idle_handler();
	46
	47	if (!combo->m_hasVMT) return;
	48
	49	if (g_blockEventsOnDrag) return;
	50
	51	if (combo->m_alreadySent)
	52	{
	53	combo->m_alreadySent = FALSE;
	54	return;
	55	}
	56
	57	combo->m_alreadySent = TRUE;
	58
	59	wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
	60	event.SetInt( combo->GetSelection() );
	61	event.SetString( combo->GetStringSelection() );
	62	event.SetEventObject( combo );
	63
	64	combo->GetEventHandler()->ProcessEvent( event );
	65	}
	66
	67	//-----------------------------------------------------------------------------
	68	// "changed"
	69	//-----------------------------------------------------------------------------
	70
	71	static void
	72	gtk_text_changed_callback( GtkWidget WXUNUSED(widget), wxComboBox combo )
	73	{
	74	if (g_isIdle) wxapp_install_idle_handler();
	75
	76	if (!combo->m_hasVMT) return;
	77
	78	wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
	79	event.SetString( combo->GetValue() );
	80	event.SetEventObject( combo );
	81	combo->GetEventHandler()->ProcessEvent( event );
	82	}
	83
	84	//-----------------------------------------------------------------------------
	85	// wxComboBox
	86	//-----------------------------------------------------------------------------
	87
	88	IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl)
	89
	90	BEGIN_EVENT_TABLE(wxComboBox, wxControl)
	91	EVT_SIZE(wxComboBox::OnSize)
	92	EVT_CHAR(wxComboBox::OnChar)
	93	END_EVENT_TABLE()
	94
	95	bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
	96	const wxPoint& pos, const wxSize& size,
	97	int n, const wxString choices[],
	98	long style, const wxValidator& validator,
	99	const wxString& name )
	100	{
	101	m_alreadySent = FALSE;
	102	m_needParent = TRUE;
	103	m_acceptsFocus = TRUE;
	104
	105	PreCreation( parent, id, pos, size, style, name );
	106
	107	#if wxUSE_VALIDATORS
	108	SetValidator( validator );
	109	#endif
	110
	111	m_widget = gtk_combo_new();
	112
	113	// make it more useable
	114	gtk_combo_set_use_arrows_always(GTK_COMBO(m_widget), TRUE);
	115
	116	wxSize newSize = size;
	117	if (newSize.x == -1)
	118	newSize.x = 100;
	119	if (newSize.y == -1)
	120	newSize.y = 26;
	121	SetSize( newSize.x, newSize.y );
	122
	123	GtkWidget *list = GTK_COMBO(m_widget)->list;
	124
	125	for (int i = 0; i < n; i++)
	126	{
	127	/* don't send first event, which GTK sends aways when
	128	inserting the first item */
	129	m_alreadySent = TRUE;
	130
	131	GtkWidget *list_item = gtk_list_item_new_with_label( choices[i].mbc_str() );
	132
	133	m_clientDataList.Append( (wxObject*)NULL );
	134	m_clientObjectList.Append( (wxObject*)NULL );
	135
	136	gtk_container_add( GTK_CONTAINER(list), list_item );
	137
	138	gtk_signal_connect( GTK_OBJECT(list_item), "select",
	139	GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
	140
	141	gtk_widget_show( list_item );
	142	}
	143
	144	m_parent->DoAddChild( this );
	145
	146	PostCreation();
	147
	148	ConnectWidget( GTK_COMBO(m_widget)->button );
	149
	150	if (!value.IsNull()) SetValue( value );
	151
	152	if (style & wxCB_READONLY)
	153	gtk_entry_set_editable( GTK_ENTRY( GTK_COMBO(m_widget)->entry ), FALSE );
	154
	155	gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed",
	156	GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
	157
	158	SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_WINDOW ) );
	159	SetForegroundColour( parent->GetForegroundColour() );
	160	SetFont( parent->GetFont() );
	161
	162	Show( TRUE );
	163
	164	return TRUE;
	165	}
	166
	167	wxComboBox::~wxComboBox()
	168	{
	169	wxNode *node = m_clientDataList.First();
	170	while (node)
	171	{
	172	wxClientData cd = (wxClientData)node->Data();
	173	if (cd) delete cd;
	174	node = node->Next();
	175	}
	176	m_clientDataList.Clear();
	177	}
	178
	179	void wxComboBox::AppendCommon( const wxString &item )
	180	{
	181	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	182
	183	GtkWidget *list = GTK_COMBO(m_widget)->list;
	184
	185	GtkWidget *list_item = gtk_list_item_new_with_label( item.mbc_str() );
	186
	187	gtk_container_add( GTK_CONTAINER(list), list_item );
	188
	189	gtk_signal_connect( GTK_OBJECT(list_item), "select",
	190	GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
	191
	192	if (GTK_WIDGET_REALIZED(m_widget))
	193	{
	194	gtk_widget_realize( list_item );
	195	gtk_widget_realize( GTK_BIN(list_item)->child );
	196
	197	if (m_widgetStyle) ApplyWidgetStyle();
	198	}
	199
	200	gtk_widget_show( list_item );
	201	}
	202
	203	void wxComboBox::Append( const wxString &item )
	204	{
	205	m_clientDataList.Append( (wxObject*) NULL );
	206	m_clientObjectList.Append( (wxObject*) NULL );
	207
	208	AppendCommon( item );
	209	}
	210
	211	void wxComboBox::Append( const wxString &item, void *clientData )
	212	{
	213	m_clientDataList.Append( (wxObject*) clientData );
	214	m_clientObjectList.Append( (wxObject*)NULL );
	215
	216	AppendCommon( item );
	217	}
	218
	219	void wxComboBox::Append( const wxString &item, wxClientData *clientData )
	220	{
	221	m_clientDataList.Append( (wxObject*) NULL );
	222	m_clientObjectList.Append( (wxObject*) clientData );
	223
	224	AppendCommon( item );
	225	}
	226
	227	void wxComboBox::SetClientData( int n, void* clientData )
	228	{
	229	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	230
	231	wxNode *node = m_clientDataList.Nth( n );
	232	if (!node) return;
	233
	234	node->SetData( (wxObject*) clientData );
	235	}
	236
	237	void* wxComboBox::GetClientData( int n )
	238	{
	239	wxCHECK_MSG( m_widget != NULL, NULL, _T("invalid combobox") );
	240
	241	wxNode *node = m_clientDataList.Nth( n );
	242	if (!node) return NULL;
	243
	244	return node->Data();
	245	}
	246
	247	void wxComboBox::SetClientObject( int n, wxClientData* clientData )
	248	{
	249	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	250
	251	wxNode *node = m_clientObjectList.Nth( n );
	252	if (!node) return;
	253
	254	wxClientData cd = (wxClientData) node->Data();
	255	if (cd) delete cd;
	256
	257	node->SetData( (wxObject*) clientData );
	258	}
	259
	260	wxClientData* wxComboBox::GetClientObject( int n )
	261	{
	262	wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, _T("invalid combobox") );
	263
	264	wxNode *node = m_clientDataList.Nth( n );
	265	if (!node) return (wxClientData*) NULL;
	266
	267	return (wxClientData*) node->Data();
	268	}
	269
	270	void wxComboBox::Clear()
	271	{
	272	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	273
	274	GtkWidget *list = GTK_COMBO(m_widget)->list;
	275	gtk_list_clear_items( GTK_LIST(list), 0, Number() );
	276
	277	wxNode *node = m_clientObjectList.First();
	278	while (node)
	279	{
	280	wxClientData cd = (wxClientData)node->Data();
	281	if (cd) delete cd;
	282	node = node->Next();
	283	}
	284	m_clientObjectList.Clear();
	285
	286	m_clientDataList.Clear();
	287	}
	288
	289	void wxComboBox::Delete( int n )
	290	{
	291	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	292
	293	GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list );
	294
	295	GList *child = g_list_nth( listbox->children, n );
	296
	297	if (!child)
	298	{
	299	wxFAIL_MSG(_T("wrong index"));
	300	return;
	301	}
	302
	303	GList list = g_list_append( (GList) NULL, child->data );
	304	gtk_list_remove_items( listbox, list );
	305	g_list_free( list );
	306
	307	wxNode *node = m_clientObjectList.Nth( n );
	308	if (node)
	309	{
	310	wxClientData cd = (wxClientData)node->Data();
	311	if (cd) delete cd;
	312	m_clientObjectList.DeleteNode( node );
	313	}
	314
	315	node = m_clientDataList.Nth( n );
	316	if (node)
	317	{
	318	m_clientDataList.DeleteNode( node );
	319	}
	320	}
	321
	322	int wxComboBox::FindString( const wxString &item )
	323	{
	324	wxCHECK_MSG( m_widget != NULL, -1, _T("invalid combobox") );
	325
	326	GtkWidget *list = GTK_COMBO(m_widget)->list;
	327
	328	GList *child = GTK_LIST(list)->children;
	329	int count = 0;
	330	while (child)
	331	{
	332	GtkBin *bin = GTK_BIN( child->data );
	333	GtkLabel *label = GTK_LABEL( bin->child );
	334	if (item == wxString(label->label,*wxConvCurrent))
	335	return count;
	336	count++;
	337	child = child->next;
	338	}
	339
	340	return wxNOT_FOUND;
	341	}
	342
	343	int wxComboBox::GetSelection() const
	344	{
	345	wxCHECK_MSG( m_widget != NULL, -1, _T("invalid combobox") );
	346
	347	GtkWidget *list = GTK_COMBO(m_widget)->list;
	348
	349	GList *selection = GTK_LIST(list)->selection;
	350	if (selection)
	351	{
	352	GList *child = GTK_LIST(list)->children;
	353	int count = 0;
	354	while (child)
	355	{
	356	if (child->data == selection->data) return count;
	357	count++;
	358	child = child->next;
	359	}
	360	}
	361
	362	wxFAIL_MSG( _T("wxComboBox: no selection") );
	363
	364	return -1;
	365	}
	366
	367	wxString wxComboBox::GetString( int n ) const
	368	{
	369	wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid combobox") );
	370
	371	GtkWidget *list = GTK_COMBO(m_widget)->list;
	372
	373	wxString str;
	374	GList *child = g_list_nth( GTK_LIST(list)->children, n );
	375	if (child)
	376	{
	377	GtkBin *bin = GTK_BIN( child->data );
	378	GtkLabel *label = GTK_LABEL( bin->child );
	379	str = wxString(label->label,*wxConvCurrent);
	380	}
	381	else
	382	{
	383	wxFAIL_MSG( _T("wxComboBox: wrong index") );
	384	}
	385
	386	return str;
	387	}
	388
	389	wxString wxComboBox::GetStringSelection() const
	390	{
	391	wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid combobox") );
	392
	393	GtkWidget *list = GTK_COMBO(m_widget)->list;
	394
	395	GList *selection = GTK_LIST(list)->selection;
	396	if (selection)
	397	{
	398	GtkBin *bin = GTK_BIN( selection->data );
	399	wxString tmp = wxString(GTK_LABEL( bin->child )->label,*wxConvCurrent);
	400	return tmp;
	401	}
	402
	403	wxFAIL_MSG( _T("wxComboBox: no selection") );
	404
	405	return _T("");
	406	}
	407
	408	int wxComboBox::Number() const
	409	{
	410	wxCHECK_MSG( m_widget != NULL, 0, _T("invalid combobox") );
	411
	412	GtkWidget *list = GTK_COMBO(m_widget)->list;
	413
	414	GList *child = GTK_LIST(list)->children;
	415	int count = 0;
	416	while (child) { count++; child = child->next; }
	417	return count;
	418	}
	419
	420	void wxComboBox::SetSelection( int n )
	421	{
	422	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	423
	424	GtkWidget *list = GTK_COMBO(m_widget)->list;
	425	gtk_list_select_item( GTK_LIST(list), n );
	426	}
	427
	428	void wxComboBox::SetStringSelection( const wxString &string )
	429	{
	430	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	431
	432	int res = FindString( string );
	433	if (res == -1) return;
	434	SetSelection( res );
	435	}
	436
	437	wxString wxComboBox::GetValue() const
	438	{
	439	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	440	wxString tmp = wxString(gtk_entry_get_text( GTK_ENTRY(entry) ),*wxConvCurrent);
	441	return tmp;
	442	}
	443
	444	void wxComboBox::SetValue( const wxString& value )
	445	{
	446	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	447
	448	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	449	wxString tmp = _T("");
	450	if (!value.IsNull()) tmp = value;
	451	gtk_entry_set_text( GTK_ENTRY(entry), tmp.mbc_str() );
	452	}
	453
	454	void wxComboBox::Copy()
	455	{
	456	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	457
	458	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	459	#if (GTK_MINOR_VERSION > 0)
	460	gtk_editable_copy_clipboard( GTK_EDITABLE(entry) );
	461	#else
	462	gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 );
	463	#endif
	464	}
	465
	466	void wxComboBox::Cut()
	467	{
	468	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	469
	470	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	471	#if (GTK_MINOR_VERSION > 0)
	472	gtk_editable_cut_clipboard( GTK_EDITABLE(entry) );
	473	#else
	474	gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 );
	475	#endif
	476	}
	477
	478	void wxComboBox::Paste()
	479	{
	480	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	481
	482	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	483	#if (GTK_MINOR_VERSION > 0)
	484	gtk_editable_paste_clipboard( GTK_EDITABLE(entry) );
	485	#else
	486	gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 );
	487	#endif
	488	}
	489
	490	void wxComboBox::SetInsertionPoint( long pos )
	491	{
	492	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	493
	494	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	495	gtk_entry_set_position( GTK_ENTRY(entry), (int)pos );
	496	}
	497
	498	void wxComboBox::SetInsertionPointEnd()
	499	{
	500	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	501
	502	SetInsertionPoint( -1 );
	503	}
	504
	505	long wxComboBox::GetInsertionPoint() const
	506	{
	507	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	508	return (long) GTK_EDITABLE(entry)->current_pos;
	509	}
	510
	511	long wxComboBox::GetLastPosition() const
	512	{
	513	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	514	int pos = GTK_ENTRY(entry)->text_length;
	515	return (long) pos-1;
	516	}
	517
	518	void wxComboBox::Replace( long from, long to, const wxString& value )
	519	{
	520	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	521	// FIXME: not quite sure how to do this method right in multibyte mode
	522
	523	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	524	gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
	525	if (value.IsNull()) return;
	526	gint pos = (gint)to;
	527	gtk_editable_insert_text( GTK_EDITABLE(entry), value.mbc_str(), value.Length(), &pos );
	528	}
	529
	530	void wxComboBox::Remove(long from, long to)
	531	{
	532	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	533
	534	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	535	gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
	536	}
	537
	538	void wxComboBox::SetSelection( long from, long to )
	539	{
	540	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	541	gtk_editable_select_region( GTK_EDITABLE(entry), (gint)from, (gint)to );
	542	}
	543
	544	void wxComboBox::SetEditable( bool editable )
	545	{
	546	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	547	gtk_entry_set_editable( GTK_ENTRY(entry), editable );
	548	}
	549
	550	void wxComboBox::OnChar( wxKeyEvent &event )
	551	{
	552	if ( event.KeyCode() == WXK_RETURN )
	553	{
	554	wxString value = GetValue();
	555
	556	if ( Number() == 0 )
	557	{
	558	// make Enter generate "selected" event if there is only one item
	559	// in the combobox - without it, it's impossible to select it at
	560	// all!
	561	wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
	562	event.SetInt( 0 );
	563	event.SetString( value );
	564	event.SetEventObject( this );
	565	GetEventHandler()->ProcessEvent( event );
	566	}
	567	else
	568	{
	569	// add the item to the list if it's not there yet
	570	if ( FindString(value) == wxNOT_FOUND )
	571	{
	572	Append(value);
	573
	574	// and generate the selected event for it
	575	wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
	576	event.SetInt( Number() - 1 );
	577	event.SetString( value );
	578	event.SetEventObject( this );
	579	GetEventHandler()->ProcessEvent( event );
	580	}
	581	//else: do nothing, this will open the listbox
	582	}
	583	}
	584
	585	event.Skip();
	586	}
	587
	588	void wxComboBox::OnSize( wxSizeEvent &event )
	589	{
	590	event.Skip();
	591
	592	return;
	593
	594	int w = 21;
	595	gtk_widget_set_usize( GTK_COMBO(m_widget)->entry, m_width-w-1, m_height );
	596
	597	gtk_widget_set_uposition( GTK_COMBO(m_widget)->button, m_x+m_width-w, m_y );
	598	gtk_widget_set_usize( GTK_COMBO(m_widget)->button, w, m_height );
	599	}
	600
	601	void wxComboBox::ApplyWidgetStyle()
	602	{
	603	SetWidgetStyle();
	604
	605	// gtk_widget_set_style( GTK_COMBO(m_widget)->button, m_widgetStyle );
	606	gtk_widget_set_style( GTK_COMBO(m_widget)->entry, m_widgetStyle );
	607	gtk_widget_set_style( GTK_COMBO(m_widget)->list, m_widgetStyle );
	608
	609	GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
	610	GList *child = list->children;
	611	while (child)
	612	{
	613	gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
	614
	615	GtkBin *bin = GTK_BIN(child->data);
	616	gtk_widget_set_style( bin->child, m_widgetStyle );
	617
	618	child = child->next;
	619	}
	620	}
	621
	622	GtkWidget* wxComboBox::GetConnectWidget()
	623	{
	624	return GTK_COMBO(m_widget)->entry;
	625	}
	626
	627	bool wxComboBox::IsOwnGtkWindow( GdkWindow *window )
	628	{
	629	return ( (window == GTK_ENTRY( GTK_COMBO(m_widget)->entry )->text_area) \|\|
	630	(window == GTK_COMBO(m_widget)->button->window ) );
	631	}
	632
	633	#endif