src/gtk1/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_clientObjectList.First();
    while (node)
    {
        wxClientData *cd = (wxClientData*)node->Data();
        if (cd) delete cd;
        node = node->Next();
    }
    m_clientObjectList.Clear();

    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;
        }
    }

    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") );

    DisableEvents();

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

    EnableEvents();
}

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::DisableEvents()
{
    GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
    GList *child = list->children;
    while (child)
    {
        gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
          GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );

        child = child->next;
    }
}

void wxComboBox::EnableEvents()
{
    GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
    GList *child = list->children;
    while (child)
    {
        gtk_signal_connect( GTK_OBJECT(child->data), "select",
          GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );

        child = child->next;
    }
}

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	#include "wx/intl.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	// "select"
	39	//-----------------------------------------------------------------------------
	40
	41	static void
	42	gtk_combo_clicked_callback( GtkWidget WXUNUSED(widget), wxComboBox combo )
	43	{
	44	if (g_isIdle) wxapp_install_idle_handler();
	45
	46	if (!combo->m_hasVMT) return;
	47
	48	if (g_blockEventsOnDrag) return;
	49
	50	if (combo->m_alreadySent)
	51	{
	52	combo->m_alreadySent = FALSE;
	53	return;
	54	}
	55
	56	combo->m_alreadySent = TRUE;
	57
	58	wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, combo->GetId() );
	59	event.SetInt( combo->GetSelection() );
	60	event.SetString( combo->GetStringSelection() );
	61	event.SetEventObject( combo );
	62
	63	combo->GetEventHandler()->ProcessEvent( event );
	64	}
	65
	66	//-----------------------------------------------------------------------------
	67	// "changed"
	68	//-----------------------------------------------------------------------------
	69
	70	static void
	71	gtk_text_changed_callback( GtkWidget WXUNUSED(widget), wxComboBox combo )
	72	{
	73	if (g_isIdle) wxapp_install_idle_handler();
	74
	75	if (!combo->m_hasVMT) return;
	76
	77	wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, combo->GetId() );
	78	event.SetString( combo->GetValue() );
	79	event.SetEventObject( combo );
	80	combo->GetEventHandler()->ProcessEvent( event );
	81	}
	82
	83	//-----------------------------------------------------------------------------
	84	// wxComboBox
	85	//-----------------------------------------------------------------------------
	86
	87	IMPLEMENT_DYNAMIC_CLASS(wxComboBox,wxControl)
	88
	89	BEGIN_EVENT_TABLE(wxComboBox, wxControl)
	90	EVT_SIZE(wxComboBox::OnSize)
	91	EVT_CHAR(wxComboBox::OnChar)
	92	END_EVENT_TABLE()
	93
	94	bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
	95	const wxPoint& pos, const wxSize& size,
	96	int n, const wxString choices[],
	97	long style, const wxValidator& validator,
	98	const wxString& name )
	99	{
	100	m_alreadySent = FALSE;
	101	m_needParent = TRUE;
	102	m_acceptsFocus = TRUE;
	103
	104	PreCreation( parent, id, pos, size, style, name );
	105
	106	#if wxUSE_VALIDATORS
	107	SetValidator( validator );
	108	#endif
	109
	110	m_widget = gtk_combo_new();
	111
	112	// make it more useable
	113	gtk_combo_set_use_arrows_always(GTK_COMBO(m_widget), TRUE);
	114
	115	wxSize newSize = size;
	116	if (newSize.x == -1)
	117	newSize.x = 100;
	118	if (newSize.y == -1)
	119	newSize.y = 26;
	120	SetSize( newSize.x, newSize.y );
	121
	122	GtkWidget *list = GTK_COMBO(m_widget)->list;
	123
	124	for (int i = 0; i < n; i++)
	125	{
	126	/* don't send first event, which GTK sends aways when
	127	inserting the first item */
	128	m_alreadySent = TRUE;
	129
	130	GtkWidget *list_item = gtk_list_item_new_with_label( choices[i].mbc_str() );
	131
	132	m_clientDataList.Append( (wxObject*)NULL );
	133	m_clientObjectList.Append( (wxObject*)NULL );
	134
	135	gtk_container_add( GTK_CONTAINER(list), list_item );
	136
	137	gtk_signal_connect( GTK_OBJECT(list_item), "select",
	138	GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
	139
	140	gtk_widget_show( list_item );
	141	}
	142
	143	m_parent->DoAddChild( this );
	144
	145	PostCreation();
	146
	147	ConnectWidget( GTK_COMBO(m_widget)->button );
	148
	149	if (!value.IsNull()) SetValue( value );
	150
	151	if (style & wxCB_READONLY)
	152	gtk_entry_set_editable( GTK_ENTRY( GTK_COMBO(m_widget)->entry ), FALSE );
	153
	154	gtk_signal_connect( GTK_OBJECT(GTK_COMBO(m_widget)->entry), "changed",
	155	GTK_SIGNAL_FUNC(gtk_text_changed_callback), (gpointer)this);
	156
	157	SetBackgroundColour( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_WINDOW ) );
	158	SetForegroundColour( parent->GetForegroundColour() );
	159	SetFont( parent->GetFont() );
	160
	161	Show( TRUE );
	162
	163	return TRUE;
	164	}
	165
	166	wxComboBox::~wxComboBox()
	167	{
	168	wxNode *node = m_clientObjectList.First();
	169	while (node)
	170	{
	171	wxClientData cd = (wxClientData)node->Data();
	172	if (cd) delete cd;
	173	node = node->Next();
	174	}
	175	m_clientObjectList.Clear();
	176
	177	m_clientDataList.Clear();
	178	}
	179
	180	void wxComboBox::AppendCommon( const wxString &item )
	181	{
	182	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	183
	184	GtkWidget *list = GTK_COMBO(m_widget)->list;
	185
	186	GtkWidget *list_item = gtk_list_item_new_with_label( item.mbc_str() );
	187
	188	gtk_container_add( GTK_CONTAINER(list), list_item );
	189
	190	gtk_signal_connect( GTK_OBJECT(list_item), "select",
	191	GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
	192
	193	if (GTK_WIDGET_REALIZED(m_widget))
	194	{
	195	gtk_widget_realize( list_item );
	196	gtk_widget_realize( GTK_BIN(list_item)->child );
	197
	198	if (m_widgetStyle) ApplyWidgetStyle();
	199	}
	200
	201	gtk_widget_show( list_item );
	202	}
	203
	204	void wxComboBox::Append( const wxString &item )
	205	{
	206	m_clientDataList.Append( (wxObject*) NULL );
	207	m_clientObjectList.Append( (wxObject*) NULL );
	208
	209	AppendCommon( item );
	210	}
	211
	212	void wxComboBox::Append( const wxString &item, void *clientData )
	213	{
	214	m_clientDataList.Append( (wxObject*) clientData );
	215	m_clientObjectList.Append( (wxObject*)NULL );
	216
	217	AppendCommon( item );
	218	}
	219
	220	void wxComboBox::Append( const wxString &item, wxClientData *clientData )
	221	{
	222	m_clientDataList.Append( (wxObject*) NULL );
	223	m_clientObjectList.Append( (wxObject*) clientData );
	224
	225	AppendCommon( item );
	226	}
	227
	228	void wxComboBox::SetClientData( int n, void* clientData )
	229	{
	230	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	231
	232	wxNode *node = m_clientDataList.Nth( n );
	233	if (!node) return;
	234
	235	node->SetData( (wxObject*) clientData );
	236	}
	237
	238	void* wxComboBox::GetClientData( int n )
	239	{
	240	wxCHECK_MSG( m_widget != NULL, NULL, _T("invalid combobox") );
	241
	242	wxNode *node = m_clientDataList.Nth( n );
	243	if (!node) return NULL;
	244
	245	return node->Data();
	246	}
	247
	248	void wxComboBox::SetClientObject( int n, wxClientData* clientData )
	249	{
	250	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	251
	252	wxNode *node = m_clientObjectList.Nth( n );
	253	if (!node) return;
	254
	255	wxClientData cd = (wxClientData) node->Data();
	256	if (cd) delete cd;
	257
	258	node->SetData( (wxObject*) clientData );
	259	}
	260
	261	wxClientData* wxComboBox::GetClientObject( int n )
	262	{
	263	wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, _T("invalid combobox") );
	264
	265	wxNode *node = m_clientDataList.Nth( n );
	266	if (!node) return (wxClientData*) NULL;
	267
	268	return (wxClientData*) node->Data();
	269	}
	270
	271	void wxComboBox::Clear()
	272	{
	273	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	274
	275	GtkWidget *list = GTK_COMBO(m_widget)->list;
	276	gtk_list_clear_items( GTK_LIST(list), 0, Number() );
	277
	278	wxNode *node = m_clientObjectList.First();
	279	while (node)
	280	{
	281	wxClientData cd = (wxClientData)node->Data();
	282	if (cd) delete cd;
	283	node = node->Next();
	284	}
	285	m_clientObjectList.Clear();
	286
	287	m_clientDataList.Clear();
	288	}
	289
	290	void wxComboBox::Delete( int n )
	291	{
	292	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	293
	294	GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list );
	295
	296	GList *child = g_list_nth( listbox->children, n );
	297
	298	if (!child)
	299	{
	300	wxFAIL_MSG(_T("wrong index"));
	301	return;
	302	}
	303
	304	GList list = g_list_append( (GList) NULL, child->data );
	305	gtk_list_remove_items( listbox, list );
	306	g_list_free( list );
	307
	308	wxNode *node = m_clientObjectList.Nth( n );
	309	if (node)
	310	{
	311	wxClientData cd = (wxClientData)node->Data();
	312	if (cd) delete cd;
	313	m_clientObjectList.DeleteNode( node );
	314	}
	315
	316	node = m_clientDataList.Nth( n );
	317	if (node)
	318	{
	319	m_clientDataList.DeleteNode( node );
	320	}
	321	}
	322
	323	int wxComboBox::FindString( const wxString &item )
	324	{
	325	wxCHECK_MSG( m_widget != NULL, -1, _T("invalid combobox") );
	326
	327	GtkWidget *list = GTK_COMBO(m_widget)->list;
	328
	329	GList *child = GTK_LIST(list)->children;
	330	int count = 0;
	331	while (child)
	332	{
	333	GtkBin *bin = GTK_BIN( child->data );
	334	GtkLabel *label = GTK_LABEL( bin->child );
	335	if (item == wxString(label->label,*wxConvCurrent))
	336	return count;
	337	count++;
	338	child = child->next;
	339	}
	340
	341	return wxNOT_FOUND;
	342	}
	343
	344	int wxComboBox::GetSelection() const
	345	{
	346	wxCHECK_MSG( m_widget != NULL, -1, _T("invalid combobox") );
	347
	348	GtkWidget *list = GTK_COMBO(m_widget)->list;
	349
	350	GList *selection = GTK_LIST(list)->selection;
	351	if (selection)
	352	{
	353	GList *child = GTK_LIST(list)->children;
	354	int count = 0;
	355	while (child)
	356	{
	357	if (child->data == selection->data) return count;
	358	count++;
	359	child = child->next;
	360	}
	361	}
	362
	363	return -1;
	364	}
	365
	366	wxString wxComboBox::GetString( int n ) const
	367	{
	368	wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid combobox") );
	369
	370	GtkWidget *list = GTK_COMBO(m_widget)->list;
	371
	372	wxString str;
	373	GList *child = g_list_nth( GTK_LIST(list)->children, n );
	374	if (child)
	375	{
	376	GtkBin *bin = GTK_BIN( child->data );
	377	GtkLabel *label = GTK_LABEL( bin->child );
	378	str = wxString(label->label,*wxConvCurrent);
	379	}
	380	else
	381	{
	382	wxFAIL_MSG( _T("wxComboBox: wrong index") );
	383	}
	384
	385	return str;
	386	}
	387
	388	wxString wxComboBox::GetStringSelection() const
	389	{
	390	wxCHECK_MSG( m_widget != NULL, _T(""), _T("invalid combobox") );
	391
	392	GtkWidget *list = GTK_COMBO(m_widget)->list;
	393
	394	GList *selection = GTK_LIST(list)->selection;
	395	if (selection)
	396	{
	397	GtkBin *bin = GTK_BIN( selection->data );
	398	wxString tmp = wxString(GTK_LABEL( bin->child )->label,*wxConvCurrent);
	399	return tmp;
	400	}
	401
	402	wxFAIL_MSG( _T("wxComboBox: no selection") );
	403
	404	return _T("");
	405	}
	406
	407	int wxComboBox::Number() const
	408	{
	409	wxCHECK_MSG( m_widget != NULL, 0, _T("invalid combobox") );
	410
	411	GtkWidget *list = GTK_COMBO(m_widget)->list;
	412
	413	GList *child = GTK_LIST(list)->children;
	414	int count = 0;
	415	while (child) { count++; child = child->next; }
	416	return count;
	417	}
	418
	419	void wxComboBox::SetSelection( int n )
	420	{
	421	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	422
	423	DisableEvents();
	424
	425	GtkWidget *list = GTK_COMBO(m_widget)->list;
	426	gtk_list_select_item( GTK_LIST(list), n );
	427
	428	EnableEvents();
	429	}
	430
	431	void wxComboBox::SetStringSelection( const wxString &string )
	432	{
	433	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	434
	435	int res = FindString( string );
	436	if (res == -1) return;
	437	SetSelection( res );
	438	}
	439
	440	wxString wxComboBox::GetValue() const
	441	{
	442	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	443	wxString tmp = wxString(gtk_entry_get_text( GTK_ENTRY(entry) ),*wxConvCurrent);
	444	return tmp;
	445	}
	446
	447	void wxComboBox::SetValue( const wxString& value )
	448	{
	449	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	450
	451	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	452	wxString tmp = _T("");
	453	if (!value.IsNull()) tmp = value;
	454	gtk_entry_set_text( GTK_ENTRY(entry), tmp.mbc_str() );
	455	}
	456
	457	void wxComboBox::Copy()
	458	{
	459	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	460
	461	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	462	#if (GTK_MINOR_VERSION > 0)
	463	gtk_editable_copy_clipboard( GTK_EDITABLE(entry) );
	464	#else
	465	gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 );
	466	#endif
	467	}
	468
	469	void wxComboBox::Cut()
	470	{
	471	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	472
	473	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	474	#if (GTK_MINOR_VERSION > 0)
	475	gtk_editable_cut_clipboard( GTK_EDITABLE(entry) );
	476	#else
	477	gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 );
	478	#endif
	479	}
	480
	481	void wxComboBox::Paste()
	482	{
	483	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	484
	485	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	486	#if (GTK_MINOR_VERSION > 0)
	487	gtk_editable_paste_clipboard( GTK_EDITABLE(entry) );
	488	#else
	489	gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 );
	490	#endif
	491	}
	492
	493	void wxComboBox::SetInsertionPoint( long pos )
	494	{
	495	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	496
	497	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	498	gtk_entry_set_position( GTK_ENTRY(entry), (int)pos );
	499	}
	500
	501	void wxComboBox::SetInsertionPointEnd()
	502	{
	503	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	504
	505	SetInsertionPoint( -1 );
	506	}
	507
	508	long wxComboBox::GetInsertionPoint() const
	509	{
	510	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	511	return (long) GTK_EDITABLE(entry)->current_pos;
	512	}
	513
	514	long wxComboBox::GetLastPosition() const
	515	{
	516	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	517	int pos = GTK_ENTRY(entry)->text_length;
	518	return (long) pos-1;
	519	}
	520
	521	void wxComboBox::Replace( long from, long to, const wxString& value )
	522	{
	523	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	524	// FIXME: not quite sure how to do this method right in multibyte mode
	525
	526	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	527	gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
	528	if (value.IsNull()) return;
	529	gint pos = (gint)to;
	530	gtk_editable_insert_text( GTK_EDITABLE(entry), value.mbc_str(), value.Length(), &pos );
	531	}
	532
	533	void wxComboBox::Remove(long from, long to)
	534	{
	535	wxCHECK_RET( m_widget != NULL, _T("invalid combobox") );
	536
	537	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	538	gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
	539	}
	540
	541	void wxComboBox::SetSelection( long from, long to )
	542	{
	543	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	544	gtk_editable_select_region( GTK_EDITABLE(entry), (gint)from, (gint)to );
	545	}
	546
	547	void wxComboBox::SetEditable( bool editable )
	548	{
	549	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	550	gtk_entry_set_editable( GTK_ENTRY(entry), editable );
	551	}
	552
	553	void wxComboBox::OnChar( wxKeyEvent &event )
	554	{
	555	if ( event.KeyCode() == WXK_RETURN )
	556	{
	557	wxString value = GetValue();
	558
	559	if ( Number() == 0 )
	560	{
	561	// make Enter generate "selected" event if there is only one item
	562	// in the combobox - without it, it's impossible to select it at
	563	// all!
	564	wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
	565	event.SetInt( 0 );
	566	event.SetString( value );
	567	event.SetEventObject( this );
	568	GetEventHandler()->ProcessEvent( event );
	569	}
	570	else
	571	{
	572	// add the item to the list if it's not there yet
	573	if ( FindString(value) == wxNOT_FOUND )
	574	{
	575	Append(value);
	576
	577	// and generate the selected event for it
	578	wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
	579	event.SetInt( Number() - 1 );
	580	event.SetString( value );
	581	event.SetEventObject( this );
	582	GetEventHandler()->ProcessEvent( event );
	583	}
	584	//else: do nothing, this will open the listbox
	585	}
	586	}
	587
	588	event.Skip();
	589	}
	590
	591	void wxComboBox::DisableEvents()
	592	{
	593	GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
	594	GList *child = list->children;
	595	while (child)
	596	{
	597	gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
	598	GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
	599
	600	child = child->next;
	601	}
	602	}
	603
	604	void wxComboBox::EnableEvents()
	605	{
	606	GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
	607	GList *child = list->children;
	608	while (child)
	609	{
	610	gtk_signal_connect( GTK_OBJECT(child->data), "select",
	611	GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
	612
	613	child = child->next;
	614	}
	615	}
	616
	617	void wxComboBox::OnSize( wxSizeEvent &event )
	618	{
	619	event.Skip();
	620
	621	return;
	622
	623	int w = 21;
	624	gtk_widget_set_usize( GTK_COMBO(m_widget)->entry, m_width-w-1, m_height );
	625
	626	gtk_widget_set_uposition( GTK_COMBO(m_widget)->button, m_x+m_width-w, m_y );
	627	gtk_widget_set_usize( GTK_COMBO(m_widget)->button, w, m_height );
	628	}
	629
	630	void wxComboBox::ApplyWidgetStyle()
	631	{
	632	SetWidgetStyle();
	633
	634	// gtk_widget_set_style( GTK_COMBO(m_widget)->button, m_widgetStyle );
	635	gtk_widget_set_style( GTK_COMBO(m_widget)->entry, m_widgetStyle );
	636	gtk_widget_set_style( GTK_COMBO(m_widget)->list, m_widgetStyle );
	637
	638	GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
	639	GList *child = list->children;
	640	while (child)
	641	{
	642	gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
	643
	644	GtkBin *bin = GTK_BIN(child->data);
	645	gtk_widget_set_style( bin->child, m_widgetStyle );
	646
	647	child = child->next;
	648	}
	649	}
	650
	651	GtkWidget* wxComboBox::GetConnectWidget()
	652	{
	653	return GTK_COMBO(m_widget)->entry;
	654	}
	655
	656	bool wxComboBox::IsOwnGtkWindow( GdkWindow *window )
	657	{
	658	return ( (window == GTK_ENTRY( GTK_COMBO(m_widget)->entry )->text_area) \|\|
	659	(window == GTK_COMBO(m_widget)->button->window ) );
	660	}
	661
	662	#endif