src/gtk/spinctrl.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/gtk/spinctrl.cpp
// Purpose:     wxSpinCtrl
// Author:      Robert
// Modified by:
// RCS-ID:      $Id$
// Copyright:   (c) Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

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

#if wxUSE_SPINCTRL

#include "wx/spinctrl.h"

#ifndef WX_PRECOMP
    #include "wx/textctrl.h"    // for wxEVT_COMMAND_TEXT_UPDATED
    #include "wx/utils.h"
    #include "wx/wxcrtvararg.h"
#endif

#include <gtk/gtk.h>
#include "wx/gtk/private.h"
#include "wx/gtk/private/gtk2-compat.h"

//-----------------------------------------------------------------------------
// data
//-----------------------------------------------------------------------------

extern bool   g_blockEventsOnDrag;

//-----------------------------------------------------------------------------
// "value_changed"
//-----------------------------------------------------------------------------

extern "C" {
static void
gtk_value_changed(GtkSpinButton* spinbutton, wxSpinCtrlGTKBase* win)
{
    if (!win->m_hasVMT || g_blockEventsOnDrag)
        return;

    if (wxIsKindOf(win, wxSpinCtrl))
    {
        wxSpinEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId());
        event.SetEventObject( win );
        event.SetPosition(static_cast<wxSpinCtrl*>(win)->GetValue());
        event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton)));
        win->HandleWindowEvent( event );
    }
    else // wxIsKindOf(win, wxSpinCtrlDouble)
    {
        wxSpinDoubleEvent event( wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED, win->GetId());
        event.SetEventObject( win );
        event.SetValue(static_cast<wxSpinCtrlDouble*>(win)->GetValue());
        event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton)));
        win->HandleWindowEvent( event );
    }
}
}

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

extern "C" {
static void
gtk_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win)
{
    if (!win->m_hasVMT)
        return;

    wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
    event.SetEventObject( win );
    event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton)));
    event.SetInt(win->GetValue());
    win->HandleWindowEvent( event );
}
}

//-----------------------------------------------------------------------------
// wxSpinCtrlGTKBase
//-----------------------------------------------------------------------------

BEGIN_EVENT_TABLE(wxSpinCtrlGTKBase, wxSpinCtrlBase)
    EVT_CHAR(wxSpinCtrlGTKBase::OnChar)
END_EVENT_TABLE()

bool wxSpinCtrlGTKBase::Create(wxWindow *parent, wxWindowID id,
                        const wxString& value,
                        const wxPoint& pos,  const wxSize& size,
                        long style,
                        double min, double max, double initial, double inc,
                        const wxString& name)
{
    if (!PreCreation( parent, pos, size ) ||
        !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
    {
        wxFAIL_MSG( wxT("wxSpinCtrlGTKBase creation failed") );
        return false;
    }

    m_widget = gtk_spin_button_new_with_range(min, max, inc);
    g_object_ref(m_widget);

    gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), initial);

    gfloat align;
    if ( HasFlag(wxALIGN_RIGHT) )
        align = 1.0;
    else if ( HasFlag(wxALIGN_CENTRE) )
        align = 0.5;
    else
        align = 0.0;

    gtk_entry_set_alignment(GTK_ENTRY(m_widget), align);

    gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),
                              (int)(m_windowStyle & wxSP_WRAP) );

    g_signal_connect_after(m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this);
    g_signal_connect_after(m_widget, "changed", G_CALLBACK(gtk_changed), this);

    m_parent->DoAddChild( this );

    PostCreation(size);

    if (!value.empty())
    {
        SetValue(value);
    }

    return true;
}

double wxSpinCtrlGTKBase::DoGetValue() const
{
    wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );

    // Get value directly from current control text, just as
    // gtk_spin_button_update() would do. Calling gtk_spin_button_update() causes
    // a redraw, which causes an idle event, so if GetValue() is called from
    // a UI update handler, you get a never ending sequence of idle events. It
    // also forces the text into valid range, which wxMSW GetValue() does not do.
    static unsigned sig_id;
    if (sig_id == 0)
        sig_id = g_signal_lookup("input", GTK_TYPE_SPIN_BUTTON);
    double value;
    int handled = 0;
    g_signal_emit(m_widget, sig_id, 0, &value, &handled);
    if (!handled)
        value = g_strtod(gtk_entry_get_text(GTK_ENTRY(m_widget)), NULL);
    GtkAdjustment* adj =
        gtk_spin_button_get_adjustment(GTK_SPIN_BUTTON(m_widget));
    const double lower = gtk_adjustment_get_lower(adj);
    const double upper = gtk_adjustment_get_upper(adj);
    if (value < lower)
        value = lower;
    else if (value > upper)
        value = upper;

    return value;
}

double wxSpinCtrlGTKBase::DoGetMin() const
{
    wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );

    double min = 0;
    gtk_spin_button_get_range( GTK_SPIN_BUTTON(m_widget), &min, NULL);
    return min;
}

double wxSpinCtrlGTKBase::DoGetMax() const
{
    wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );

    double max = 0;
    gtk_spin_button_get_range( GTK_SPIN_BUTTON(m_widget), NULL, &max);
    return max;
}

double wxSpinCtrlGTKBase::DoGetIncrement() const
{
    wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );

    double inc = 0;
    gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), &inc, NULL);
    return inc;
}

bool wxSpinCtrlGTKBase::GetSnapToTicks() const
{
    wxCHECK_MSG(m_widget, false, "invalid spin button");

    return gtk_spin_button_get_snap_to_ticks( GTK_SPIN_BUTTON(m_widget) ) != 0;
}

void wxSpinCtrlGTKBase::SetValue( const wxString& value )
{
    wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );

    double n;
    if ( wxSscanf(value, "%lg", &n) == 1 )
    {
        // a number - set it, let DoSetValue round for int value
        DoSetValue(n);
        return;
    }

    // invalid number - set text as is (wxMSW compatible)
    GtkDisableEvents();
    gtk_entry_set_text( GTK_ENTRY(m_widget), wxGTK_CONV( value ) );
    GtkEnableEvents();
}

void wxSpinCtrlGTKBase::DoSetValue( double value )
{
    wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );

    GtkDisableEvents();
    gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), value);
    GtkEnableEvents();
}

void wxSpinCtrlGTKBase::SetSnapToTicks(bool snap_to_ticks)
{
    wxCHECK_RET( (m_widget != NULL), "invalid spin button" );

    gtk_spin_button_set_snap_to_ticks( GTK_SPIN_BUTTON(m_widget), snap_to_ticks);
}

void wxSpinCtrlGTKBase::SetSelection(long from, long to)
{
    // translate from wxWidgets conventions to GTK+ ones: (-1, -1) means the
    // entire range
    if ( from == -1 && to == -1 )
    {
        from = 0;
        to = INT_MAX;
    }

    gtk_editable_select_region( GTK_EDITABLE(m_widget), (gint)from, (gint)to );
}

void wxSpinCtrlGTKBase::DoSetRange(double minVal, double maxVal)
{
    wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );

    GtkDisableEvents();
    gtk_spin_button_set_range( GTK_SPIN_BUTTON(m_widget), minVal, maxVal);
    GtkEnableEvents();
}

void wxSpinCtrlGTKBase::DoSetIncrement(double inc)
{
    wxCHECK_RET( m_widget, "invalid spin button" );

    GtkDisableEvents();

    // Preserve the old page value when changing just the increment.
    double page = 10*inc;
    gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), NULL, &page);

    gtk_spin_button_set_increments( GTK_SPIN_BUTTON(m_widget), inc, page);
    GtkEnableEvents();
}

void wxSpinCtrlGTKBase::GtkDisableEvents() const
{
    g_signal_handlers_block_by_func( m_widget,
        (gpointer)gtk_value_changed, (void*) this);

    g_signal_handlers_block_by_func(m_widget,
        (gpointer)gtk_changed, (void*) this);
}

void wxSpinCtrlGTKBase::GtkEnableEvents() const
{
    g_signal_handlers_unblock_by_func(m_widget,
        (gpointer)gtk_value_changed, (void*) this);

    g_signal_handlers_unblock_by_func(m_widget,
        (gpointer)gtk_changed, (void*) this);
}

void wxSpinCtrlGTKBase::OnChar( wxKeyEvent &event )
{
    wxCHECK_RET( m_widget != NULL, wxT("invalid spin ctrl") );

    if (event.GetKeyCode() == WXK_RETURN)
    {
        wxWindow *top_frame = wxGetTopLevelParent(m_parent);

        if ( GTK_IS_WINDOW(top_frame->m_widget) )
        {
            GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
            if ( window )
            {
                GtkWidget* widgetDef = gtk_window_get_default_widget(window);

                if ( widgetDef )
                {
                    gtk_widget_activate(widgetDef);
                    return;
                }
            }
        }
    }

    if ((event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxTE_PROCESS_ENTER))
    {
        wxCommandEvent evt( wxEVT_COMMAND_TEXT_ENTER, m_windowId );
        evt.SetEventObject(this);
        GtkSpinButton *gsb = GTK_SPIN_BUTTON(m_widget);
        wxString val = wxGTK_CONV_BACK( gtk_entry_get_text( &gsb->entry ) );
        evt.SetString( val );
        if (HandleWindowEvent(evt)) return;
    }

    event.Skip();
}

GdkWindow *wxSpinCtrlGTKBase::GTKGetWindow(wxArrayGdkWindows& windows) const
{
#ifdef __WXGTK3__
    // no access to internal GdkWindows
    wxUnusedVar(windows);
#else
    GtkSpinButton* spinbutton = GTK_SPIN_BUTTON(m_widget);

    windows.push_back(spinbutton->entry.text_area);
    windows.push_back(spinbutton->panel);
#endif

    return NULL;
}

wxSize wxSpinCtrlGTKBase::DoGetBestSize() const
{
    wxSize ret( wxControl::DoGetBestSize() );
    wxSize best(95, ret.y); // FIXME: 95?
    CacheBestSize(best);
    return best;
}

// static
wxVisualAttributes
wxSpinCtrlGTKBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
    // TODO: overload to accept functions like gtk_spin_button_new?
    // Until then use a similar type
    return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
}

//-----------------------------------------------------------------------------
// wxSpinCtrl
//-----------------------------------------------------------------------------

extern "C"
{

static gboolean
wx_gtk_spin_input(GtkSpinButton* spin, gdouble* val, wxSpinCtrl* win)
{
    // We might use g_ascii_strtoll() here but it's 2.12+ only, so use our own
    // wxString function even if this requires an extra conversion.
    const wxString
        text(wxString::FromUTF8(gtk_entry_get_text(GTK_ENTRY(spin))));

    long lval;
    if ( !text.ToLong(&lval, win->GetBase()) )
        return FALSE;

    *val = lval;

    return TRUE;
}

static gint
wx_gtk_spin_output(GtkSpinButton* spin, wxSpinCtrl* win)
{
    const gint val = gtk_spin_button_get_value_as_int(spin);

    gtk_entry_set_text
    (
        GTK_ENTRY(spin),
        wxPrivate::wxSpinCtrlFormatAsHex(val, win->GetMax()).utf8_str()
    );

    return TRUE;
}

} // extern "C"

bool wxSpinCtrl::SetBase(int base)
{
    // Currently we only support base 10 and 16. We could add support for base
    // 8 quite easily but wxMSW doesn't support it natively so don't bother
    // with doing something wxGTK-specific here.
    if ( base != 10 && base != 16 )
        return false;

    if ( base == m_base )
        return true;

    m_base = base;

    // We need to be able to enter letters for any base greater than 10.
    gtk_spin_button_set_numeric( GTK_SPIN_BUTTON(m_widget), m_base <= 10 );

    if ( m_base != 10 )
    {
        g_signal_connect( GTK_SPIN_BUTTON(m_widget), "input",
                              G_CALLBACK(wx_gtk_spin_input), this);
        g_signal_connect( GTK_SPIN_BUTTON(m_widget), "output",
                              G_CALLBACK(wx_gtk_spin_output), this);
    }
    else
    {
        g_signal_handlers_disconnect_by_func(GTK_SPIN_BUTTON(m_widget),
                                             (gpointer)wx_gtk_spin_input,
                                             this);
        g_signal_handlers_disconnect_by_func(GTK_SPIN_BUTTON(m_widget),
                                             (gpointer)wx_gtk_spin_output,
                                             this);
    }

    return true;
}

//-----------------------------------------------------------------------------
// wxSpinCtrlDouble
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrlDouble, wxSpinCtrlGTKBase)

unsigned wxSpinCtrlDouble::GetDigits() const
{
    wxCHECK_MSG( m_widget, 0, "invalid spin button" );

    return gtk_spin_button_get_digits( GTK_SPIN_BUTTON(m_widget) );
}

void wxSpinCtrlDouble::SetDigits(unsigned digits)
{
    wxCHECK_RET( m_widget, "invalid spin button" );

    gtk_spin_button_set_digits( GTK_SPIN_BUTTON(m_widget), digits);
}

#endif // wxUSE_SPINCTRL
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/gtk/spinctrl.cpp
	3	// Purpose: wxSpinCtrl
	4	// Author: Robert
	5	// Modified by:
	6	// RCS-ID: $Id$
	7	// Copyright: (c) Robert Roebling
	8	// Licence: wxWindows licence
	9	/////////////////////////////////////////////////////////////////////////////
	10
	11	// For compilers that support precompilation, includes "wx.h".
	12	#include "wx/wxprec.h"
	13
	14	#if wxUSE_SPINCTRL
	15
	16	#include "wx/spinctrl.h"
	17
	18	#ifndef WX_PRECOMP
	19	#include "wx/textctrl.h" // for wxEVT_COMMAND_TEXT_UPDATED
	20	#include "wx/utils.h"
	21	#include "wx/wxcrtvararg.h"
	22	#endif
	23
	24	#include <gtk/gtk.h>
	25	#include "wx/gtk/private.h"
	26	#include "wx/gtk/private/gtk2-compat.h"
	27
	28	//-----------------------------------------------------------------------------
	29	// data
	30	//-----------------------------------------------------------------------------
	31
	32	extern bool g_blockEventsOnDrag;
	33
	34	//-----------------------------------------------------------------------------
	35	// "value_changed"
	36	//-----------------------------------------------------------------------------
	37
	38	extern "C" {
	39	static void
	40	gtk_value_changed(GtkSpinButton* spinbutton, wxSpinCtrlGTKBase* win)
	41	{
	42	if (!win->m_hasVMT \|\| g_blockEventsOnDrag)
	43	return;
	44
	45	if (wxIsKindOf(win, wxSpinCtrl))
	46	{
	47	wxSpinEvent event(wxEVT_COMMAND_SPINCTRL_UPDATED, win->GetId());
	48	event.SetEventObject( win );
	49	event.SetPosition(static_cast<wxSpinCtrl*>(win)->GetValue());
	50	event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton)));
	51	win->HandleWindowEvent( event );
	52	}
	53	else // wxIsKindOf(win, wxSpinCtrlDouble)
	54	{
	55	wxSpinDoubleEvent event( wxEVT_COMMAND_SPINCTRLDOUBLE_UPDATED, win->GetId());
	56	event.SetEventObject( win );
	57	event.SetValue(static_cast<wxSpinCtrlDouble*>(win)->GetValue());
	58	event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton)));
	59	win->HandleWindowEvent( event );
	60	}
	61	}
	62	}
	63
	64	//-----------------------------------------------------------------------------
	65	// "changed"
	66	//-----------------------------------------------------------------------------
	67
	68	extern "C" {
	69	static void
	70	gtk_changed(GtkSpinButton* spinbutton, wxSpinCtrl* win)
	71	{
	72	if (!win->m_hasVMT)
	73	return;
	74
	75	wxCommandEvent event( wxEVT_COMMAND_TEXT_UPDATED, win->GetId() );
	76	event.SetEventObject( win );
	77	event.SetString(gtk_entry_get_text(GTK_ENTRY(spinbutton)));
	78	event.SetInt(win->GetValue());
	79	win->HandleWindowEvent( event );
	80	}
	81	}
	82
	83	//-----------------------------------------------------------------------------
	84	// wxSpinCtrlGTKBase
	85	//-----------------------------------------------------------------------------
	86
	87	BEGIN_EVENT_TABLE(wxSpinCtrlGTKBase, wxSpinCtrlBase)
	88	EVT_CHAR(wxSpinCtrlGTKBase::OnChar)
	89	END_EVENT_TABLE()
	90
	91	bool wxSpinCtrlGTKBase::Create(wxWindow *parent, wxWindowID id,
	92	const wxString& value,
	93	const wxPoint& pos, const wxSize& size,
	94	long style,
	95	double min, double max, double initial, double inc,
	96	const wxString& name)
	97	{
	98	if (!PreCreation( parent, pos, size ) \|\|
	99	!CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
	100	{
	101	wxFAIL_MSG( wxT("wxSpinCtrlGTKBase creation failed") );
	102	return false;
	103	}
	104
	105	m_widget = gtk_spin_button_new_with_range(min, max, inc);
	106	g_object_ref(m_widget);
	107
	108	gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), initial);
	109
	110	gfloat align;
	111	if ( HasFlag(wxALIGN_RIGHT) )
	112	align = 1.0;
	113	else if ( HasFlag(wxALIGN_CENTRE) )
	114	align = 0.5;
	115	else
	116	align = 0.0;
	117
	118	gtk_entry_set_alignment(GTK_ENTRY(m_widget), align);
	119
	120	gtk_spin_button_set_wrap( GTK_SPIN_BUTTON(m_widget),
	121	(int)(m_windowStyle & wxSP_WRAP) );
	122
	123	g_signal_connect_after(m_widget, "value_changed", G_CALLBACK(gtk_value_changed), this);
	124	g_signal_connect_after(m_widget, "changed", G_CALLBACK(gtk_changed), this);
	125
	126	m_parent->DoAddChild( this );
	127
	128	PostCreation(size);
	129
	130	if (!value.empty())
	131	{
	132	SetValue(value);
	133	}
	134
	135	return true;
	136	}
	137
	138	double wxSpinCtrlGTKBase::DoGetValue() const
	139	{
	140	wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
	141
	142	// Get value directly from current control text, just as
	143	// gtk_spin_button_update() would do. Calling gtk_spin_button_update() causes
	144	// a redraw, which causes an idle event, so if GetValue() is called from
	145	// a UI update handler, you get a never ending sequence of idle events. It
	146	// also forces the text into valid range, which wxMSW GetValue() does not do.
	147	static unsigned sig_id;
	148	if (sig_id == 0)
	149	sig_id = g_signal_lookup("input", GTK_TYPE_SPIN_BUTTON);
	150	double value;
	151	int handled = 0;
	152	g_signal_emit(m_widget, sig_id, 0, &value, &handled);
	153	if (!handled)
	154	value = g_strtod(gtk_entry_get_text(GTK_ENTRY(m_widget)), NULL);
	155	GtkAdjustment* adj =
	156	gtk_spin_button_get_adjustment(GTK_SPIN_BUTTON(m_widget));
	157	const double lower = gtk_adjustment_get_lower(adj);
	158	const double upper = gtk_adjustment_get_upper(adj);
	159	if (value < lower)
	160	value = lower;
	161	else if (value > upper)
	162	value = upper;
	163
	164	return value;
	165	}
	166
	167	double wxSpinCtrlGTKBase::DoGetMin() const
	168	{
	169	wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
	170
	171	double min = 0;
	172	gtk_spin_button_get_range( GTK_SPIN_BUTTON(m_widget), &min, NULL);
	173	return min;
	174	}
	175
	176	double wxSpinCtrlGTKBase::DoGetMax() const
	177	{
	178	wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
	179
	180	double max = 0;
	181	gtk_spin_button_get_range( GTK_SPIN_BUTTON(m_widget), NULL, &max);
	182	return max;
	183	}
	184
	185	double wxSpinCtrlGTKBase::DoGetIncrement() const
	186	{
	187	wxCHECK_MSG( (m_widget != NULL), 0, wxT("invalid spin button") );
	188
	189	double inc = 0;
	190	gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), &inc, NULL);
	191	return inc;
	192	}
	193
	194	bool wxSpinCtrlGTKBase::GetSnapToTicks() const
	195	{
	196	wxCHECK_MSG(m_widget, false, "invalid spin button");
	197
	198	return gtk_spin_button_get_snap_to_ticks( GTK_SPIN_BUTTON(m_widget) ) != 0;
	199	}
	200
	201	void wxSpinCtrlGTKBase::SetValue( const wxString& value )
	202	{
	203	wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
	204
	205	double n;
	206	if ( wxSscanf(value, "%lg", &n) == 1 )
	207	{
	208	// a number - set it, let DoSetValue round for int value
	209	DoSetValue(n);
	210	return;
	211	}
	212
	213	// invalid number - set text as is (wxMSW compatible)
	214	GtkDisableEvents();
	215	gtk_entry_set_text( GTK_ENTRY(m_widget), wxGTK_CONV( value ) );
	216	GtkEnableEvents();
	217	}
	218
	219	void wxSpinCtrlGTKBase::DoSetValue( double value )
	220	{
	221	wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
	222
	223	GtkDisableEvents();
	224	gtk_spin_button_set_value( GTK_SPIN_BUTTON(m_widget), value);
	225	GtkEnableEvents();
	226	}
	227
	228	void wxSpinCtrlGTKBase::SetSnapToTicks(bool snap_to_ticks)
	229	{
	230	wxCHECK_RET( (m_widget != NULL), "invalid spin button" );
	231
	232	gtk_spin_button_set_snap_to_ticks( GTK_SPIN_BUTTON(m_widget), snap_to_ticks);
	233	}
	234
	235	void wxSpinCtrlGTKBase::SetSelection(long from, long to)
	236	{
	237	// translate from wxWidgets conventions to GTK+ ones: (-1, -1) means the
	238	// entire range
	239	if ( from == -1 && to == -1 )
	240	{
	241	from = 0;
	242	to = INT_MAX;
	243	}
	244
	245	gtk_editable_select_region( GTK_EDITABLE(m_widget), (gint)from, (gint)to );
	246	}
	247
	248	void wxSpinCtrlGTKBase::DoSetRange(double minVal, double maxVal)
	249	{
	250	wxCHECK_RET( (m_widget != NULL), wxT("invalid spin button") );
	251
	252	GtkDisableEvents();
	253	gtk_spin_button_set_range( GTK_SPIN_BUTTON(m_widget), minVal, maxVal);
	254	GtkEnableEvents();
	255	}
	256
	257	void wxSpinCtrlGTKBase::DoSetIncrement(double inc)
	258	{
	259	wxCHECK_RET( m_widget, "invalid spin button" );
	260
	261	GtkDisableEvents();
	262
	263	// Preserve the old page value when changing just the increment.
	264	double page = 10*inc;
	265	gtk_spin_button_get_increments( GTK_SPIN_BUTTON(m_widget), NULL, &page);
	266
	267	gtk_spin_button_set_increments( GTK_SPIN_BUTTON(m_widget), inc, page);
	268	GtkEnableEvents();
	269	}
	270
	271	void wxSpinCtrlGTKBase::GtkDisableEvents() const
	272	{
	273	g_signal_handlers_block_by_func( m_widget,
	274	(gpointer)gtk_value_changed, (void*) this);
	275
	276	g_signal_handlers_block_by_func(m_widget,
	277	(gpointer)gtk_changed, (void*) this);
	278	}
	279
	280	void wxSpinCtrlGTKBase::GtkEnableEvents() const
	281	{
	282	g_signal_handlers_unblock_by_func(m_widget,
	283	(gpointer)gtk_value_changed, (void*) this);
	284
	285	g_signal_handlers_unblock_by_func(m_widget,
	286	(gpointer)gtk_changed, (void*) this);
	287	}
	288
	289	void wxSpinCtrlGTKBase::OnChar( wxKeyEvent &event )
	290	{
	291	wxCHECK_RET( m_widget != NULL, wxT("invalid spin ctrl") );
	292
	293	if (event.GetKeyCode() == WXK_RETURN)
	294	{
	295	wxWindow *top_frame = wxGetTopLevelParent(m_parent);
	296
	297	if ( GTK_IS_WINDOW(top_frame->m_widget) )
	298	{
	299	GtkWindow *window = GTK_WINDOW(top_frame->m_widget);
	300	if ( window )
	301	{
	302	GtkWidget* widgetDef = gtk_window_get_default_widget(window);
	303
	304	if ( widgetDef )
	305	{
	306	gtk_widget_activate(widgetDef);
	307	return;
	308	}
	309	}
	310	}
	311	}
	312
	313	if ((event.GetKeyCode() == WXK_RETURN) && (m_windowStyle & wxTE_PROCESS_ENTER))
	314	{
	315	wxCommandEvent evt( wxEVT_COMMAND_TEXT_ENTER, m_windowId );
	316	evt.SetEventObject(this);
	317	GtkSpinButton *gsb = GTK_SPIN_BUTTON(m_widget);
	318	wxString val = wxGTK_CONV_BACK( gtk_entry_get_text( &gsb->entry ) );
	319	evt.SetString( val );
	320	if (HandleWindowEvent(evt)) return;
	321	}
	322
	323	event.Skip();
	324	}
	325
	326	GdkWindow *wxSpinCtrlGTKBase::GTKGetWindow(wxArrayGdkWindows& windows) const
	327	{
	328	#ifdef __WXGTK3__
	329	// no access to internal GdkWindows
	330	wxUnusedVar(windows);
	331	#else
	332	GtkSpinButton* spinbutton = GTK_SPIN_BUTTON(m_widget);
	333
	334	windows.push_back(spinbutton->entry.text_area);
	335	windows.push_back(spinbutton->panel);
	336	#endif
	337
	338	return NULL;
	339	}
	340
	341	wxSize wxSpinCtrlGTKBase::DoGetBestSize() const
	342	{
	343	wxSize ret( wxControl::DoGetBestSize() );
	344	wxSize best(95, ret.y); // FIXME: 95?
	345	CacheBestSize(best);
	346	return best;
	347	}
	348
	349	// static
	350	wxVisualAttributes
	351	wxSpinCtrlGTKBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
	352	{
	353	// TODO: overload to accept functions like gtk_spin_button_new?
	354	// Until then use a similar type
	355	return GetDefaultAttributesFromGTKWidget(gtk_entry_new, true);
	356	}
	357
	358	//-----------------------------------------------------------------------------
	359	// wxSpinCtrl
	360	//-----------------------------------------------------------------------------
	361
	362	extern "C"
	363	{
	364
	365	static gboolean
	366	wx_gtk_spin_input(GtkSpinButton* spin, gdouble* val, wxSpinCtrl* win)
	367	{
	368	// We might use g_ascii_strtoll() here but it's 2.12+ only, so use our own
	369	// wxString function even if this requires an extra conversion.
	370	const wxString
	371	text(wxString::FromUTF8(gtk_entry_get_text(GTK_ENTRY(spin))));
	372
	373	long lval;
	374	if ( !text.ToLong(&lval, win->GetBase()) )
	375	return FALSE;
	376
	377	*val = lval;
	378
	379	return TRUE;
	380	}
	381
	382	static gint
	383	wx_gtk_spin_output(GtkSpinButton* spin, wxSpinCtrl* win)
	384	{
	385	const gint val = gtk_spin_button_get_value_as_int(spin);
	386
	387	gtk_entry_set_text
	388	(
	389	GTK_ENTRY(spin),
	390	wxPrivate::wxSpinCtrlFormatAsHex(val, win->GetMax()).utf8_str()
	391	);
	392
	393	return TRUE;
	394	}
	395
	396	} // extern "C"
	397
	398	bool wxSpinCtrl::SetBase(int base)
	399	{
	400	// Currently we only support base 10 and 16. We could add support for base
	401	// 8 quite easily but wxMSW doesn't support it natively so don't bother
	402	// with doing something wxGTK-specific here.
	403	if ( base != 10 && base != 16 )
	404	return false;
	405
	406	if ( base == m_base )
	407	return true;
	408
	409	m_base = base;
	410
	411	// We need to be able to enter letters for any base greater than 10.
	412	gtk_spin_button_set_numeric( GTK_SPIN_BUTTON(m_widget), m_base <= 10 );
	413
	414	if ( m_base != 10 )
	415	{
	416	g_signal_connect( GTK_SPIN_BUTTON(m_widget), "input",
	417	G_CALLBACK(wx_gtk_spin_input), this);
	418	g_signal_connect( GTK_SPIN_BUTTON(m_widget), "output",
	419	G_CALLBACK(wx_gtk_spin_output), this);
	420	}
	421	else
	422	{
	423	g_signal_handlers_disconnect_by_func(GTK_SPIN_BUTTON(m_widget),
	424	(gpointer)wx_gtk_spin_input,
	425	this);
	426	g_signal_handlers_disconnect_by_func(GTK_SPIN_BUTTON(m_widget),
	427	(gpointer)wx_gtk_spin_output,
	428	this);
	429	}
	430
	431	return true;
	432	}
	433
	434	//-----------------------------------------------------------------------------
	435	// wxSpinCtrlDouble
	436	//-----------------------------------------------------------------------------
	437
	438	IMPLEMENT_DYNAMIC_CLASS(wxSpinCtrlDouble, wxSpinCtrlGTKBase)
	439
	440	unsigned wxSpinCtrlDouble::GetDigits() const
	441	{
	442	wxCHECK_MSG( m_widget, 0, "invalid spin button" );
	443
	444	return gtk_spin_button_get_digits( GTK_SPIN_BUTTON(m_widget) );
	445	}
	446
	447	void wxSpinCtrlDouble::SetDigits(unsigned digits)
	448	{
	449	wxCHECK_RET( m_widget, "invalid spin button" );
	450
	451	gtk_spin_button_set_digits( GTK_SPIN_BUTTON(m_widget), digits);
	452	}
	453
	454	#endif // wxUSE_SPINCTRL