src/gtk/control.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/gtk/control.cpp
// Purpose:     wxControl implementation for wxGTK
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Vadim Zeitlin
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#if wxUSE_CONTROLS

#include "wx/control.h"

#ifndef WX_PRECOMP
    #include "wx/log.h"
    #include "wx/settings.h"
#endif

#include "wx/fontutil.h"
#include "wx/gtk/private.h"

#include "wx/private/stattext.h"


// ============================================================================
// wxControl implementation
// ============================================================================

// ----------------------------------------------------------------------------
// wxControl creation
// ----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxControl, wxWindow)

wxControl::wxControl()
{
}

bool wxControl::Create( wxWindow *parent,
                      wxWindowID id,
                      const wxPoint &pos,
                      const wxSize &size,
                      long style,
                      const wxValidator& validator,
                      const wxString &name )
{
    bool ret = wxWindow::Create(parent, id, pos, size, style, name);

#if wxUSE_VALIDATORS
    SetValidator(validator);
#endif

    return ret;
}

wxSize wxControl::DoGetBestSize() const
{
    // Do not return any arbitrary default value...
    wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );

    GtkRequisition req;
    req.width = 2;
    req.height = 2;
    (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
        (m_widget, &req );

    wxSize best(req.width, req.height);
    CacheBestSize(best);
    return best;
}

void wxControl::PostCreation(const wxSize& size)
{
    wxWindow::PostCreation();

    // NB: GetBestSize needs to know the style, otherwise it will assume
    //     default font and if the user uses a different font, determined
    //     best size will be different (typically, smaller) than the desired
    //     size. This call ensure that a style is available at the time
    //     GetBestSize is called.
    gtk_widget_ensure_style(m_widget);

    ApplyWidgetStyle();
    SetInitialSize(size);
}

// ----------------------------------------------------------------------------
// wxControl dealing with labels
// ----------------------------------------------------------------------------

void wxControl::GTKSetLabelForLabel(GtkLabel *w, const wxString& label)
{
    // save the original label
    wxControlBase::SetLabel(label);

    const wxString labelGTK = GTKConvertMnemonics(label);
    gtk_label_set_text_with_mnemonic(w, wxGTK_CONV(labelGTK));
}

void wxControl::GTKSetLabelWithMarkupForLabel(GtkLabel *w, const wxString& label)
{
    const wxString labelGTK = GTKConvertMnemonicsWithMarkup(label);
    gtk_label_set_markup_with_mnemonic(w, wxGTK_CONV(labelGTK));
}


// ----------------------------------------------------------------------------
// GtkFrame helpers
//
// GtkFrames do in fact support mnemonics in GTK2+ but not through
// gtk_frame_set_label, rather you need to use a custom label widget
// instead (idea gleaned from the native gtk font dialog code in GTK)
// ----------------------------------------------------------------------------

GtkWidget* wxControl::GTKCreateFrame(const wxString& label)
{
    const wxString labelGTK = GTKConvertMnemonics(label);
    GtkWidget* labelwidget = gtk_label_new_with_mnemonic(wxGTK_CONV(labelGTK));
    gtk_widget_show(labelwidget); // without this it won't show...

    GtkWidget* framewidget = gtk_frame_new(NULL);
    gtk_frame_set_label_widget(GTK_FRAME(framewidget), labelwidget);

    return framewidget; // note that the label is already set so you'll
                        // only need to call wxControl::SetLabel afterwards
}

void wxControl::GTKSetLabelForFrame(GtkFrame *w, const wxString& label)
{
    GtkLabel* labelwidget = GTK_LABEL(gtk_frame_get_label_widget(w));
    GTKSetLabelForLabel(labelwidget, label);
}

void wxControl::GTKFrameApplyWidgetStyle(GtkFrame* w, GtkRcStyle* style)
{
    gtk_widget_modify_style(GTK_WIDGET(w), style);
    gtk_widget_modify_style(gtk_frame_get_label_widget (w), style);
}

void wxControl::GTKFrameSetMnemonicWidget(GtkFrame* w, GtkWidget* widget)
{
    GtkLabel* labelwidget = GTK_LABEL(gtk_frame_get_label_widget(w));

    gtk_label_set_mnemonic_widget(labelwidget, widget);
}

// ----------------------------------------------------------------------------
// worker function implementing GTK*Mnemonics() functions
// ----------------------------------------------------------------------------

enum MnemonicsFlag
{
    MNEMONICS_REMOVE,
    MNEMONICS_CONVERT,
    MNEMONICS_CONVERT_MARKUP
};

static wxString GTKProcessMnemonics(const wxString& label, MnemonicsFlag flag)
{
    wxString labelGTK;
    labelGTK.reserve(label.length());
    for ( wxString::const_iterator i = label.begin(); i != label.end(); ++i )
    {
        wxChar ch = *i;

        switch ( ch )
        {
            case wxT('&'):
                if ( i + 1 == label.end() )
                {
                    // "&" at the end of string is an error
                    wxLogDebug(wxT("Invalid label \"%s\"."), label);
                    break;
                }

                if ( flag == MNEMONICS_CONVERT_MARKUP )
                {
                    bool isMnemonic = true;
                    size_t distanceFromEnd = label.end() - i;

                    // is this ampersand introducing a mnemonic or rather an entity?
                    for (size_t j=0; j < wxMARKUP_ENTITY_MAX; j++)
                    {
                        const wxChar *entity = wxMarkupEntities[wxMARKUP_ELEMENT_NAME][j];
                        size_t entityLen = wxStrlen(entity);

                        if (distanceFromEnd >= entityLen &&
                            wxString(i, i + entityLen) == entity)
                        {
                            labelGTK << entity;
                            i += entityLen - 1;     // the -1 is because main for()
                                                    // loop already increments i
                            isMnemonic = false;

                            break;
                        }
                    }

                    if (!isMnemonic)
                        continue;
                }

                ch = *(++i); // skip '&' itself
                switch ( ch )
                {
                    case wxT('&'):
                        // special case: "&&" is not a mnemonic at all but just
                        // an escaped "&"
                        if ( flag == MNEMONICS_CONVERT_MARKUP )
                            labelGTK += wxT("&amp;");
                        else
                            labelGTK += wxT('&');
                        break;

                    case wxT('_'):
                        if ( flag != MNEMONICS_REMOVE )
                        {
                            // '_' can't be a GTK mnemonic apparently so
                            // replace it with something similar
                            labelGTK += wxT("_-");
                            break;
                        }
                        //else: fall through

                    default:
                        if ( flag != MNEMONICS_REMOVE )
                            labelGTK += wxT('_');
                        labelGTK += ch;
                }
                break;

            case wxT('_'):
                if ( flag != MNEMONICS_REMOVE )
                {
                    // escape any existing underlines in the string so that
                    // they don't become mnemonics accidentally
                    labelGTK += wxT("__");
                    break;
                }
                //else: fall through

            default:
                labelGTK += ch;
        }
    }

    return labelGTK;
}

/* static */
wxString wxControl::GTKRemoveMnemonics(const wxString& label)
{
    return GTKProcessMnemonics(label, MNEMONICS_REMOVE);
}

/* static */
wxString wxControl::GTKConvertMnemonics(const wxString& label)
{
    return GTKProcessMnemonics(label, MNEMONICS_CONVERT);
}

/* static */
wxString wxControl::GTKConvertMnemonicsWithMarkup(const wxString& label)
{
    return GTKProcessMnemonics(label, MNEMONICS_CONVERT_MARKUP);
}

// ----------------------------------------------------------------------------
// wxControl styles (a.k.a. attributes)
// ----------------------------------------------------------------------------

wxVisualAttributes wxControl::GetDefaultAttributes() const
{
    return GetDefaultAttributesFromGTKWidget(m_widget,
                                             UseGTKStyleBase());
}

// static
wxVisualAttributes
wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* widget,
                                             bool useBase,
                                             int state)
{
    GtkStyle* style;
    wxVisualAttributes attr;

    style = gtk_rc_get_style(widget);
    if (!style)
        style = gtk_widget_get_default_style();

    if (!style)
    {
        return wxWindow::GetClassDefaultAttributes(wxWINDOW_VARIANT_NORMAL);
    }

    if (state == -1)
        state = GTK_STATE_NORMAL;

    // get the style's colours
    attr.colFg = wxColour(style->fg[state]);
    if (useBase)
        attr.colBg = wxColour(style->base[state]);
    else
        attr.colBg = wxColour(style->bg[state]);

    // get the style's font
    if ( !style->font_desc )
        style = gtk_widget_get_default_style();
    if ( style && style->font_desc )
    {
        wxNativeFontInfo info;
        info.description = pango_font_description_copy(style->font_desc);
        attr.font = wxFont(info);
    }
    else
    {
        GtkSettings *settings = gtk_settings_get_default();
        gchar *font_name = NULL;
        g_object_get ( settings,
                       "gtk-font-name",
                       &font_name,
                       NULL);
        if (!font_name)
            attr.font = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT );
        else
            attr.font = wxFont(wxString::FromAscii(font_name));
        g_free (font_name);
    }

    return attr;
}


//static
wxVisualAttributes
wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNew_t widget_new,
                                             bool useBase,
                                             int state)
{
    wxVisualAttributes attr;
    // NB: we need toplevel window so that GTK+ can find the right style
    GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    GtkWidget* widget = widget_new();
    gtk_container_add(GTK_CONTAINER(wnd), widget);
    attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
    gtk_widget_destroy(wnd);
    return attr;
}

//static
wxVisualAttributes
wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNewFromStr_t widget_new,
                                             bool useBase,
                                             int state)
{
    wxVisualAttributes attr;
    // NB: we need toplevel window so that GTK+ can find the right style
    GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    GtkWidget* widget = widget_new("");
    gtk_container_add(GTK_CONTAINER(wnd), widget);
    attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
    gtk_widget_destroy(wnd);
    return attr;
}


//static
wxVisualAttributes
wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNewFromAdj_t widget_new,
                                             bool useBase,
                                             int state)
{
    wxVisualAttributes attr;
    // NB: we need toplevel window so that GTK+ can find the right style
    GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    GtkWidget* widget = widget_new(NULL);
    gtk_container_add(GTK_CONTAINER(wnd), widget);
    attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
    gtk_widget_destroy(wnd);
    return attr;
}

// ----------------------------------------------------------------------------
// idle handling
// ----------------------------------------------------------------------------

void wxControl::OnInternalIdle()
{
    if ( GtkShowFromOnIdle() )
        return;

    if ( GTK_WIDGET_REALIZED(m_widget) )
    {
        GTKUpdateCursor();

        GTKSetDelayedFocusIfNeeded();
    }

    if ( wxUpdateUIEvent::CanUpdate(this) )
        UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
}

#endif // wxUSE_CONTROLS
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/gtk/control.cpp
	3	// Purpose: wxControl implementation for wxGTK
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling, Julian Smart and Vadim Zeitlin
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	// For compilers that support precompilation, includes "wx.h".
	11	#include "wx/wxprec.h"
	12
	13	#if wxUSE_CONTROLS
	14
	15	#include "wx/control.h"
	16
	17	#ifndef WX_PRECOMP
	18	#include "wx/log.h"
	19	#include "wx/settings.h"
	20	#endif
	21
	22	#include "wx/fontutil.h"
	23	#include "wx/gtk/private.h"
	24
	25	#include "wx/private/stattext.h"
	26
	27
	28	// ============================================================================
	29	// wxControl implementation
	30	// ============================================================================
	31
	32	// ----------------------------------------------------------------------------
	33	// wxControl creation
	34	// ----------------------------------------------------------------------------
	35
	36	IMPLEMENT_DYNAMIC_CLASS(wxControl, wxWindow)
	37
	38	wxControl::wxControl()
	39	{
	40	}
	41
	42	bool wxControl::Create( wxWindow *parent,
	43	wxWindowID id,
	44	const wxPoint &pos,
	45	const wxSize &size,
	46	long style,
	47	const wxValidator& validator,
	48	const wxString &name )
	49	{
	50	bool ret = wxWindow::Create(parent, id, pos, size, style, name);
	51
	52	#if wxUSE_VALIDATORS
	53	SetValidator(validator);
	54	#endif
	55
	56	return ret;
	57	}
	58
	59	wxSize wxControl::DoGetBestSize() const
	60	{
	61	// Do not return any arbitrary default value...
	62	wxASSERT_MSG( m_widget, wxT("DoGetBestSize called before creation") );
	63
	64	GtkRequisition req;
	65	req.width = 2;
	66	req.height = 2;
	67	(* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request )
	68	(m_widget, &req );
	69
	70	wxSize best(req.width, req.height);
	71	CacheBestSize(best);
	72	return best;
	73	}
	74
	75	void wxControl::PostCreation(const wxSize& size)
	76	{
	77	wxWindow::PostCreation();
	78
	79	// NB: GetBestSize needs to know the style, otherwise it will assume
	80	// default font and if the user uses a different font, determined
	81	// best size will be different (typically, smaller) than the desired
	82	// size. This call ensure that a style is available at the time
	83	// GetBestSize is called.
	84	gtk_widget_ensure_style(m_widget);
	85
	86	ApplyWidgetStyle();
	87	SetInitialSize(size);
	88	}
	89
	90	// ----------------------------------------------------------------------------
	91	// wxControl dealing with labels
	92	// ----------------------------------------------------------------------------
	93
	94	void wxControl::GTKSetLabelForLabel(GtkLabel *w, const wxString& label)
	95	{
	96	// save the original label
	97	wxControlBase::SetLabel(label);
	98
	99	const wxString labelGTK = GTKConvertMnemonics(label);
	100	gtk_label_set_text_with_mnemonic(w, wxGTK_CONV(labelGTK));
	101	}
	102
	103	void wxControl::GTKSetLabelWithMarkupForLabel(GtkLabel *w, const wxString& label)
	104	{
	105	const wxString labelGTK = GTKConvertMnemonicsWithMarkup(label);
	106	gtk_label_set_markup_with_mnemonic(w, wxGTK_CONV(labelGTK));
	107	}
	108
	109
	110	// ----------------------------------------------------------------------------
	111	// GtkFrame helpers
	112	//
	113	// GtkFrames do in fact support mnemonics in GTK2+ but not through
	114	// gtk_frame_set_label, rather you need to use a custom label widget
	115	// instead (idea gleaned from the native gtk font dialog code in GTK)
	116	// ----------------------------------------------------------------------------
	117
	118	GtkWidget* wxControl::GTKCreateFrame(const wxString& label)
	119	{
	120	const wxString labelGTK = GTKConvertMnemonics(label);
	121	GtkWidget* labelwidget = gtk_label_new_with_mnemonic(wxGTK_CONV(labelGTK));
	122	gtk_widget_show(labelwidget); // without this it won't show...
	123
	124	GtkWidget* framewidget = gtk_frame_new(NULL);
	125	gtk_frame_set_label_widget(GTK_FRAME(framewidget), labelwidget);
	126
	127	return framewidget; // note that the label is already set so you'll
	128	// only need to call wxControl::SetLabel afterwards
	129	}
	130
	131	void wxControl::GTKSetLabelForFrame(GtkFrame *w, const wxString& label)
	132	{
	133	GtkLabel* labelwidget = GTK_LABEL(gtk_frame_get_label_widget(w));
	134	GTKSetLabelForLabel(labelwidget, label);
	135	}
	136
	137	void wxControl::GTKFrameApplyWidgetStyle(GtkFrame* w, GtkRcStyle* style)
	138	{
	139	gtk_widget_modify_style(GTK_WIDGET(w), style);
	140	gtk_widget_modify_style(gtk_frame_get_label_widget (w), style);
	141	}
	142
	143	void wxControl::GTKFrameSetMnemonicWidget(GtkFrame* w, GtkWidget* widget)
	144	{
	145	GtkLabel* labelwidget = GTK_LABEL(gtk_frame_get_label_widget(w));
	146
	147	gtk_label_set_mnemonic_widget(labelwidget, widget);
	148	}
	149
	150	// ----------------------------------------------------------------------------
	151	// worker function implementing GTK*Mnemonics() functions
	152	// ----------------------------------------------------------------------------
	153
	154	enum MnemonicsFlag
	155	{
	156	MNEMONICS_REMOVE,
	157	MNEMONICS_CONVERT,
	158	MNEMONICS_CONVERT_MARKUP
	159	};
	160
	161	static wxString GTKProcessMnemonics(const wxString& label, MnemonicsFlag flag)
	162	{
	163	wxString labelGTK;
	164	labelGTK.reserve(label.length());
	165	for ( wxString::const_iterator i = label.begin(); i != label.end(); ++i )
	166	{
	167	wxChar ch = *i;
	168
	169	switch ( ch )
	170	{
	171	case wxT('&'):
	172	if ( i + 1 == label.end() )
	173	{
	174	// "&" at the end of string is an error
	175	wxLogDebug(wxT("Invalid label \"%s\"."), label);
	176	break;
	177	}
	178
	179	if ( flag == MNEMONICS_CONVERT_MARKUP )
	180	{
	181	bool isMnemonic = true;
	182	size_t distanceFromEnd = label.end() - i;
	183
	184	// is this ampersand introducing a mnemonic or rather an entity?
	185	for (size_t j=0; j < wxMARKUP_ENTITY_MAX; j++)
	186	{
	187	const wxChar *entity = wxMarkupEntities[wxMARKUP_ELEMENT_NAME][j];
	188	size_t entityLen = wxStrlen(entity);
	189
	190	if (distanceFromEnd >= entityLen &&
	191	wxString(i, i + entityLen) == entity)
	192	{
	193	labelGTK << entity;
	194	i += entityLen - 1; // the -1 is because main for()
	195	// loop already increments i
	196	isMnemonic = false;
	197
	198	break;
	199	}
	200	}
	201
	202	if (!isMnemonic)
	203	continue;
	204	}
	205
	206	ch = *(++i); // skip '&' itself
	207	switch ( ch )
	208	{
	209	case wxT('&'):
	210	// special case: "&&" is not a mnemonic at all but just
	211	// an escaped "&"
	212	if ( flag == MNEMONICS_CONVERT_MARKUP )
	213	labelGTK += wxT("&");
	214	else
	215	labelGTK += wxT('&');
	216	break;
	217
	218	case wxT('_'):
	219	if ( flag != MNEMONICS_REMOVE )
	220	{
	221	// '_' can't be a GTK mnemonic apparently so
	222	// replace it with something similar
	223	labelGTK += wxT("_-");
	224	break;
	225	}
	226	//else: fall through
	227
	228	default:
	229	if ( flag != MNEMONICS_REMOVE )
	230	labelGTK += wxT('_');
	231	labelGTK += ch;
	232	}
	233	break;
	234
	235	case wxT('_'):
	236	if ( flag != MNEMONICS_REMOVE )
	237	{
	238	// escape any existing underlines in the string so that
	239	// they don't become mnemonics accidentally
	240	labelGTK += wxT("__");
	241	break;
	242	}
	243	//else: fall through
	244
	245	default:
	246	labelGTK += ch;
	247	}
	248	}
	249
	250	return labelGTK;
	251	}
	252
	253	/* static */
	254	wxString wxControl::GTKRemoveMnemonics(const wxString& label)
	255	{
	256	return GTKProcessMnemonics(label, MNEMONICS_REMOVE);
	257	}
	258
	259	/* static */
	260	wxString wxControl::GTKConvertMnemonics(const wxString& label)
	261	{
	262	return GTKProcessMnemonics(label, MNEMONICS_CONVERT);
	263	}
	264
	265	/* static */
	266	wxString wxControl::GTKConvertMnemonicsWithMarkup(const wxString& label)
	267	{
	268	return GTKProcessMnemonics(label, MNEMONICS_CONVERT_MARKUP);
	269	}
	270
	271	// ----------------------------------------------------------------------------
	272	// wxControl styles (a.k.a. attributes)
	273	// ----------------------------------------------------------------------------
	274
	275	wxVisualAttributes wxControl::GetDefaultAttributes() const
	276	{
	277	return GetDefaultAttributesFromGTKWidget(m_widget,
	278	UseGTKStyleBase());
	279	}
	280
	281	// static
	282	wxVisualAttributes
	283	wxControl::GetDefaultAttributesFromGTKWidget(GtkWidget* widget,
	284	bool useBase,
	285	int state)
	286	{
	287	GtkStyle* style;
	288	wxVisualAttributes attr;
	289
	290	style = gtk_rc_get_style(widget);
	291	if (!style)
	292	style = gtk_widget_get_default_style();
	293
	294	if (!style)
	295	{
	296	return wxWindow::GetClassDefaultAttributes(wxWINDOW_VARIANT_NORMAL);
	297	}
	298
	299	if (state == -1)
	300	state = GTK_STATE_NORMAL;
	301
	302	// get the style's colours
	303	attr.colFg = wxColour(style->fg[state]);
	304	if (useBase)
	305	attr.colBg = wxColour(style->base[state]);
	306	else
	307	attr.colBg = wxColour(style->bg[state]);
	308
	309	// get the style's font
	310	if ( !style->font_desc )
	311	style = gtk_widget_get_default_style();
	312	if ( style && style->font_desc )
	313	{
	314	wxNativeFontInfo info;
	315	info.description = pango_font_description_copy(style->font_desc);
	316	attr.font = wxFont(info);
	317	}
	318	else
	319	{
	320	GtkSettings *settings = gtk_settings_get_default();
	321	gchar *font_name = NULL;
	322	g_object_get ( settings,
	323	"gtk-font-name",
	324	&font_name,
	325	NULL);
	326	if (!font_name)
	327	attr.font = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT );
	328	else
	329	attr.font = wxFont(wxString::FromAscii(font_name));
	330	g_free (font_name);
	331	}
	332
	333	return attr;
	334	}
	335
	336
	337	//static
	338	wxVisualAttributes
	339	wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNew_t widget_new,
	340	bool useBase,
	341	int state)
	342	{
	343	wxVisualAttributes attr;
	344	// NB: we need toplevel window so that GTK+ can find the right style
	345	GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	346	GtkWidget* widget = widget_new();
	347	gtk_container_add(GTK_CONTAINER(wnd), widget);
	348	attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
	349	gtk_widget_destroy(wnd);
	350	return attr;
	351	}
	352
	353	//static
	354	wxVisualAttributes
	355	wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNewFromStr_t widget_new,
	356	bool useBase,
	357	int state)
	358	{
	359	wxVisualAttributes attr;
	360	// NB: we need toplevel window so that GTK+ can find the right style
	361	GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	362	GtkWidget* widget = widget_new("");
	363	gtk_container_add(GTK_CONTAINER(wnd), widget);
	364	attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
	365	gtk_widget_destroy(wnd);
	366	return attr;
	367	}
	368
	369
	370	//static
	371	wxVisualAttributes
	372	wxControl::GetDefaultAttributesFromGTKWidget(wxGtkWidgetNewFromAdj_t widget_new,
	373	bool useBase,
	374	int state)
	375	{
	376	wxVisualAttributes attr;
	377	// NB: we need toplevel window so that GTK+ can find the right style
	378	GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	379	GtkWidget* widget = widget_new(NULL);
	380	gtk_container_add(GTK_CONTAINER(wnd), widget);
	381	attr = GetDefaultAttributesFromGTKWidget(widget, useBase, state);
	382	gtk_widget_destroy(wnd);
	383	return attr;
	384	}
	385
	386	// ----------------------------------------------------------------------------
	387	// idle handling
	388	// ----------------------------------------------------------------------------
	389
	390	void wxControl::OnInternalIdle()
	391	{
	392	if ( GtkShowFromOnIdle() )
	393	return;
	394
	395	if ( GTK_WIDGET_REALIZED(m_widget) )
	396	{
	397	GTKUpdateCursor();
	398
	399	GTKSetDelayedFocusIfNeeded();
	400	}
	401
	402	if ( wxUpdateUIEvent::CanUpdate(this) )
	403	UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
	404	}
	405
	406	#endif // wxUSE_CONTROLS