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;

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

    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, wxT("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, wxT("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, wxT("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, wxT("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, wxT("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, wxT("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, wxT("invalid combobox") );

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

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

    if (!child)
    {
        wxFAIL_MSG(wxT("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, wxT("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, wxT("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, wxT(""), wxT("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( wxT("wxComboBox: wrong index") );
    }

    return str;
}

wxString wxComboBox::GetStringSelection() const
{
    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("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( wxT("wxComboBox: no selection") );

    return wxT("");
}

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

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

void wxComboBox::Copy()
{
    wxCHECK_RET( m_widget != NULL, wxT("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, wxT("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, wxT("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, wxT("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, wxT("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, wxT("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, wxT("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();

#if 0
    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 );
#endif // 0
}

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	if (!PreCreation( parent, pos, size ) \|\|
	105	!CreateBase( parent, id, pos, size, style, validator, name ))
	106	{
	107	wxFAIL_MSG( wxT("wxComboBox creation failed") );
	108	return FALSE;
	109	}
	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_clientObjectList.First();
	170	while (node)
	171	{
	172	wxClientData cd = (wxClientData)node->Data();
	173	if (cd) delete cd;
	174	node = node->Next();
	175	}
	176	m_clientObjectList.Clear();
	177
	178	m_clientDataList.Clear();
	179	}
	180
	181	void wxComboBox::AppendCommon( const wxString &item )
	182	{
	183	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	184
	185	GtkWidget *list = GTK_COMBO(m_widget)->list;
	186
	187	GtkWidget *list_item = gtk_list_item_new_with_label( item.mbc_str() );
	188
	189	gtk_container_add( GTK_CONTAINER(list), list_item );
	190
	191	gtk_signal_connect( GTK_OBJECT(list_item), "select",
	192	GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
	193
	194	if (GTK_WIDGET_REALIZED(m_widget))
	195	{
	196	gtk_widget_realize( list_item );
	197	gtk_widget_realize( GTK_BIN(list_item)->child );
	198
	199	if (m_widgetStyle) ApplyWidgetStyle();
	200	}
	201
	202	gtk_widget_show( list_item );
	203	}
	204
	205	void wxComboBox::Append( const wxString &item )
	206	{
	207	m_clientDataList.Append( (wxObject*) NULL );
	208	m_clientObjectList.Append( (wxObject*) NULL );
	209
	210	AppendCommon( item );
	211	}
	212
	213	void wxComboBox::Append( const wxString &item, void *clientData )
	214	{
	215	m_clientDataList.Append( (wxObject*) clientData );
	216	m_clientObjectList.Append( (wxObject*)NULL );
	217
	218	AppendCommon( item );
	219	}
	220
	221	void wxComboBox::Append( const wxString &item, wxClientData *clientData )
	222	{
	223	m_clientDataList.Append( (wxObject*) NULL );
	224	m_clientObjectList.Append( (wxObject*) clientData );
	225
	226	AppendCommon( item );
	227	}
	228
	229	void wxComboBox::SetClientData( int n, void* clientData )
	230	{
	231	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	232
	233	wxNode *node = m_clientDataList.Nth( n );
	234	if (!node) return;
	235
	236	node->SetData( (wxObject*) clientData );
	237	}
	238
	239	void* wxComboBox::GetClientData( int n )
	240	{
	241	wxCHECK_MSG( m_widget != NULL, NULL, wxT("invalid combobox") );
	242
	243	wxNode *node = m_clientDataList.Nth( n );
	244	if (!node) return NULL;
	245
	246	return node->Data();
	247	}
	248
	249	void wxComboBox::SetClientObject( int n, wxClientData* clientData )
	250	{
	251	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	252
	253	wxNode *node = m_clientObjectList.Nth( n );
	254	if (!node) return;
	255
	256	wxClientData cd = (wxClientData) node->Data();
	257	if (cd) delete cd;
	258
	259	node->SetData( (wxObject*) clientData );
	260	}
	261
	262	wxClientData* wxComboBox::GetClientObject( int n )
	263	{
	264	wxCHECK_MSG( m_widget != NULL, (wxClientData*)NULL, wxT("invalid combobox") );
	265
	266	wxNode *node = m_clientDataList.Nth( n );
	267	if (!node) return (wxClientData*) NULL;
	268
	269	return (wxClientData*) node->Data();
	270	}
	271
	272	void wxComboBox::Clear()
	273	{
	274	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	275
	276	GtkWidget *list = GTK_COMBO(m_widget)->list;
	277	gtk_list_clear_items( GTK_LIST(list), 0, Number() );
	278
	279	wxNode *node = m_clientObjectList.First();
	280	while (node)
	281	{
	282	wxClientData cd = (wxClientData)node->Data();
	283	if (cd) delete cd;
	284	node = node->Next();
	285	}
	286	m_clientObjectList.Clear();
	287
	288	m_clientDataList.Clear();
	289	}
	290
	291	void wxComboBox::Delete( int n )
	292	{
	293	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	294
	295	GtkList *listbox = GTK_LIST( GTK_COMBO(m_widget)->list );
	296
	297	GList *child = g_list_nth( listbox->children, n );
	298
	299	if (!child)
	300	{
	301	wxFAIL_MSG(wxT("wrong index"));
	302	return;
	303	}
	304
	305	GList list = g_list_append( (GList) NULL, child->data );
	306	gtk_list_remove_items( listbox, list );
	307	g_list_free( list );
	308
	309	wxNode *node = m_clientObjectList.Nth( n );
	310	if (node)
	311	{
	312	wxClientData cd = (wxClientData)node->Data();
	313	if (cd) delete cd;
	314	m_clientObjectList.DeleteNode( node );
	315	}
	316
	317	node = m_clientDataList.Nth( n );
	318	if (node)
	319	{
	320	m_clientDataList.DeleteNode( node );
	321	}
	322	}
	323
	324	int wxComboBox::FindString( const wxString &item )
	325	{
	326	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
	327
	328	GtkWidget *list = GTK_COMBO(m_widget)->list;
	329
	330	GList *child = GTK_LIST(list)->children;
	331	int count = 0;
	332	while (child)
	333	{
	334	GtkBin *bin = GTK_BIN( child->data );
	335	GtkLabel *label = GTK_LABEL( bin->child );
	336	if (item == wxString(label->label,*wxConvCurrent))
	337	return count;
	338	count++;
	339	child = child->next;
	340	}
	341
	342	return wxNOT_FOUND;
	343	}
	344
	345	int wxComboBox::GetSelection() const
	346	{
	347	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid combobox") );
	348
	349	GtkWidget *list = GTK_COMBO(m_widget)->list;
	350
	351	GList *selection = GTK_LIST(list)->selection;
	352	if (selection)
	353	{
	354	GList *child = GTK_LIST(list)->children;
	355	int count = 0;
	356	while (child)
	357	{
	358	if (child->data == selection->data) return count;
	359	count++;
	360	child = child->next;
	361	}
	362	}
	363
	364	return -1;
	365	}
	366
	367	wxString wxComboBox::GetString( int n ) const
	368	{
	369	wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("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( wxT("wxComboBox: wrong index") );
	384	}
	385
	386	return str;
	387	}
	388
	389	wxString wxComboBox::GetStringSelection() const
	390	{
	391	wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("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( wxT("wxComboBox: no selection") );
	404
	405	return wxT("");
	406	}
	407
	408	int wxComboBox::Number() const
	409	{
	410	wxCHECK_MSG( m_widget != NULL, 0, wxT("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, wxT("invalid combobox") );
	423
	424	DisableEvents();
	425
	426	GtkWidget *list = GTK_COMBO(m_widget)->list;
	427	gtk_list_select_item( GTK_LIST(list), n );
	428
	429	EnableEvents();
	430	}
	431
	432	void wxComboBox::SetStringSelection( const wxString &string )
	433	{
	434	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	435
	436	int res = FindString( string );
	437	if (res == -1) return;
	438	SetSelection( res );
	439	}
	440
	441	wxString wxComboBox::GetValue() const
	442	{
	443	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	444	wxString tmp = wxString(gtk_entry_get_text( GTK_ENTRY(entry) ),*wxConvCurrent);
	445	return tmp;
	446	}
	447
	448	void wxComboBox::SetValue( const wxString& value )
	449	{
	450	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	451
	452	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	453	wxString tmp = wxT("");
	454	if (!value.IsNull()) tmp = value;
	455	gtk_entry_set_text( GTK_ENTRY(entry), tmp.mbc_str() );
	456	}
	457
	458	void wxComboBox::Copy()
	459	{
	460	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	461
	462	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	463	#if (GTK_MINOR_VERSION > 0)
	464	gtk_editable_copy_clipboard( GTK_EDITABLE(entry) );
	465	#else
	466	gtk_editable_copy_clipboard( GTK_EDITABLE(entry), 0 );
	467	#endif
	468	}
	469
	470	void wxComboBox::Cut()
	471	{
	472	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	473
	474	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	475	#if (GTK_MINOR_VERSION > 0)
	476	gtk_editable_cut_clipboard( GTK_EDITABLE(entry) );
	477	#else
	478	gtk_editable_cut_clipboard( GTK_EDITABLE(entry), 0 );
	479	#endif
	480	}
	481
	482	void wxComboBox::Paste()
	483	{
	484	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	485
	486	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	487	#if (GTK_MINOR_VERSION > 0)
	488	gtk_editable_paste_clipboard( GTK_EDITABLE(entry) );
	489	#else
	490	gtk_editable_paste_clipboard( GTK_EDITABLE(entry), 0 );
	491	#endif
	492	}
	493
	494	void wxComboBox::SetInsertionPoint( long pos )
	495	{
	496	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	497
	498	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	499	gtk_entry_set_position( GTK_ENTRY(entry), (int)pos );
	500	}
	501
	502	void wxComboBox::SetInsertionPointEnd()
	503	{
	504	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	505
	506	SetInsertionPoint( -1 );
	507	}
	508
	509	long wxComboBox::GetInsertionPoint() const
	510	{
	511	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	512	return (long) GTK_EDITABLE(entry)->current_pos;
	513	}
	514
	515	long wxComboBox::GetLastPosition() const
	516	{
	517	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	518	int pos = GTK_ENTRY(entry)->text_length;
	519	return (long) pos-1;
	520	}
	521
	522	void wxComboBox::Replace( long from, long to, const wxString& value )
	523	{
	524	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	525	// FIXME: not quite sure how to do this method right in multibyte mode
	526
	527	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	528	gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
	529	if (value.IsNull()) return;
	530	gint pos = (gint)to;
	531	gtk_editable_insert_text( GTK_EDITABLE(entry), value.mbc_str(), value.Length(), &pos );
	532	}
	533
	534	void wxComboBox::Remove(long from, long to)
	535	{
	536	wxCHECK_RET( m_widget != NULL, wxT("invalid combobox") );
	537
	538	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	539	gtk_editable_delete_text( GTK_EDITABLE(entry), (gint)from, (gint)to );
	540	}
	541
	542	void wxComboBox::SetSelection( long from, long to )
	543	{
	544	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	545	gtk_editable_select_region( GTK_EDITABLE(entry), (gint)from, (gint)to );
	546	}
	547
	548	void wxComboBox::SetEditable( bool editable )
	549	{
	550	GtkWidget *entry = GTK_COMBO(m_widget)->entry;
	551	gtk_entry_set_editable( GTK_ENTRY(entry), editable );
	552	}
	553
	554	void wxComboBox::OnChar( wxKeyEvent &event )
	555	{
	556	if ( event.KeyCode() == WXK_RETURN )
	557	{
	558	wxString value = GetValue();
	559
	560	if ( Number() == 0 )
	561	{
	562	// make Enter generate "selected" event if there is only one item
	563	// in the combobox - without it, it's impossible to select it at
	564	// all!
	565	wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
	566	event.SetInt( 0 );
	567	event.SetString( value );
	568	event.SetEventObject( this );
	569	GetEventHandler()->ProcessEvent( event );
	570	}
	571	else
	572	{
	573	// add the item to the list if it's not there yet
	574	if ( FindString(value) == wxNOT_FOUND )
	575	{
	576	Append(value);
	577
	578	// and generate the selected event for it
	579	wxCommandEvent event( wxEVT_COMMAND_COMBOBOX_SELECTED, GetId() );
	580	event.SetInt( Number() - 1 );
	581	event.SetString( value );
	582	event.SetEventObject( this );
	583	GetEventHandler()->ProcessEvent( event );
	584	}
	585	//else: do nothing, this will open the listbox
	586	}
	587	}
	588
	589	event.Skip();
	590	}
	591
	592	void wxComboBox::DisableEvents()
	593	{
	594	GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
	595	GList *child = list->children;
	596	while (child)
	597	{
	598	gtk_signal_disconnect_by_func( GTK_OBJECT(child->data),
	599	GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
	600
	601	child = child->next;
	602	}
	603	}
	604
	605	void wxComboBox::EnableEvents()
	606	{
	607	GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
	608	GList *child = list->children;
	609	while (child)
	610	{
	611	gtk_signal_connect( GTK_OBJECT(child->data), "select",
	612	GTK_SIGNAL_FUNC(gtk_combo_clicked_callback), (gpointer)this );
	613
	614	child = child->next;
	615	}
	616	}
	617
	618	void wxComboBox::OnSize( wxSizeEvent &event )
	619	{
	620	event.Skip();
	621
	622	#if 0
	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	#endif // 0
	629	}
	630
	631	void wxComboBox::ApplyWidgetStyle()
	632	{
	633	SetWidgetStyle();
	634
	635	// gtk_widget_set_style( GTK_COMBO(m_widget)->button, m_widgetStyle );
	636	gtk_widget_set_style( GTK_COMBO(m_widget)->entry, m_widgetStyle );
	637	gtk_widget_set_style( GTK_COMBO(m_widget)->list, m_widgetStyle );
	638
	639	GtkList *list = GTK_LIST( GTK_COMBO(m_widget)->list );
	640	GList *child = list->children;
	641	while (child)
	642	{
	643	gtk_widget_set_style( GTK_WIDGET(child->data), m_widgetStyle );
	644
	645	GtkBin *bin = GTK_BIN(child->data);
	646	gtk_widget_set_style( bin->child, m_widgetStyle );
	647
	648	child = child->next;
	649	}
	650	}
	651
	652	GtkWidget* wxComboBox::GetConnectWidget()
	653	{
	654	return GTK_COMBO(m_widget)->entry;
	655	}
	656
	657	bool wxComboBox::IsOwnGtkWindow( GdkWindow *window )
	658	{
	659	return ( (window == GTK_ENTRY( GTK_COMBO(m_widget)->entry )->text_area) \|\|
	660	(window == GTK_COMBO(m_widget)->button->window ) );
	661	}
	662
	663	#endif