src/gtk/radiobox.cpp

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

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

#if wxUSE_RADIOBOX

#include "wx/radiobox.h"

#ifndef WX_PRECOMP
    #include "wx/log.h"
    #include "wx/frame.h"
    #include "wx/dialog.h"
#endif

#if wxUSE_TOOLTIPS
    #include "wx/tooltip.h"
#endif

#include "wx/gtk/private.h"
#include <gdk/gdkkeysyms.h>

//-----------------------------------------------------------------------------
// wxGTKRadioButtonInfo
//-----------------------------------------------------------------------------
// structure internally used by wxRadioBox to store its child buttons

class wxGTKRadioButtonInfo : public wxObject
{
public:
    wxGTKRadioButtonInfo( GtkRadioButton * abutton, const wxRect & arect )
    : button( abutton ), rect( arect ) {}

    GtkRadioButton * button;
    wxRect           rect;
};

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

#include "wx/listimpl.cpp"
WX_DEFINE_LIST( wxRadioBoxButtonsInfoList )

extern bool          g_blockEventsOnDrag;

//-----------------------------------------------------------------------------
// "clicked"
//-----------------------------------------------------------------------------

extern "C" {
static void gtk_radiobutton_clicked_callback( GtkToggleButton *button, wxRadioBox *rb )
{
    if (!rb->m_hasVMT) return;
    if (g_blockEventsOnDrag) return;

    if (!button->active) return;

    wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() );
    event.SetInt( rb->GetSelection() );
    event.SetString( rb->GetStringSelection() );
    event.SetEventObject( rb );
    rb->HandleWindowEvent(event);
}
}

//-----------------------------------------------------------------------------
// "key_press_event"
//-----------------------------------------------------------------------------

extern "C" {
static gint gtk_radiobox_keypress_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxRadioBox *rb )
{
    if (!rb->m_hasVMT) return FALSE;
    if (g_blockEventsOnDrag) return FALSE;

    if ( ((gdk_event->keyval == GDK_Tab) ||
          (gdk_event->keyval == GDK_ISO_Left_Tab)) &&
         rb->GetParent() && (rb->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
    {
        wxNavigationKeyEvent new_event;
        new_event.SetEventObject( rb->GetParent() );
        // GDK reports GDK_ISO_Left_Tab for SHIFT-TAB
        new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
        // CTRL-TAB changes the (parent) window, i.e. switch notebook page
        new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
        new_event.SetCurrentFocus( rb );
        return rb->GetParent()->HandleWindowEvent(new_event);
    }

    if ((gdk_event->keyval != GDK_Up) &&
        (gdk_event->keyval != GDK_Down) &&
        (gdk_event->keyval != GDK_Left) &&
        (gdk_event->keyval != GDK_Right))
    {
        return FALSE;
    }

    wxRadioBoxButtonsInfoList::compatibility_iterator node = rb->m_buttonsInfo.GetFirst();
    while( node && GTK_WIDGET( node->GetData()->button ) != widget )
    {
        node = node->GetNext();
    }
    if (!node)
    {
        return FALSE;
    }

    if ((gdk_event->keyval == GDK_Up) ||
        (gdk_event->keyval == GDK_Left))
    {
        if (node == rb->m_buttonsInfo.GetFirst())
            node = rb->m_buttonsInfo.GetLast();
        else
            node = node->GetPrevious();
    }
    else
    {
        if (node == rb->m_buttonsInfo.GetLast())
            node = rb->m_buttonsInfo.GetFirst();
        else
            node = node->GetNext();
    }

    GtkWidget *button = (GtkWidget*) node->GetData()->button;

    gtk_widget_grab_focus( button );

    return TRUE;
}
}

extern "C" {
static gint gtk_radiobutton_focus_out( GtkWidget * WXUNUSED(widget),
                                       GdkEventFocus *WXUNUSED(event),
                                       wxRadioBox *win )
{
    // NB: This control is composed of several GtkRadioButton widgets and
    //     when focus changes from one of them to another in the same
    //     wxRadioBox, we get a focus-out event followed by focus-in for
    //     another GtkRadioButton owned by the same control. We don't want
    //     to generate two spurious wxEVT_SET_FOCUS events in this case,
    //     so we defer sending wx events until idle time.
    win->GTKHandleFocusOut();

    // never stop the signal emission, it seems to break the kbd handling
    // inside the radiobox
    return FALSE;
}
}

extern "C" {
static gint gtk_radiobutton_focus_in( GtkWidget * WXUNUSED(widget),
                                      GdkEventFocus *WXUNUSED(event),
                                      wxRadioBox *win )
{
    win->GTKHandleFocusIn();

    // never stop the signal emission, it seems to break the kbd handling
    // inside the radiobox
    return FALSE;
}
}

extern "C" {
static void gtk_radiobutton_size_allocate( GtkWidget *widget,
                                           GtkAllocation * alloc,
                                           wxRadioBox *win )
{
    for ( wxRadioBoxButtonsInfoList::compatibility_iterator node = win->m_buttonsInfo.GetFirst();
          node;
          node = node->GetNext())
    {
        if (widget == GTK_WIDGET(node->GetData()->button))
        {
            const wxPoint origin = win->GetPosition();
            wxRect rect = wxRect( alloc->x - origin.x, alloc->y - origin.y,
                                  alloc->width, alloc->height );
            node->GetData()->rect = rect;
            break;
        }
    }
}
}


//-----------------------------------------------------------------------------
// wxRadioBox
//-----------------------------------------------------------------------------

IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)

bool wxRadioBox::Create( wxWindow *parent, wxWindowID id,
                         const wxString& title,
                         const wxPoint &pos, const wxSize &size,
                         const wxArrayString& choices, int majorDim,
                         long style, const wxValidator& validator,
                         const wxString &name )
{
    wxCArrayString chs(choices);

    return Create( parent, id, title, pos, size, chs.GetCount(),
                   chs.GetStrings(), majorDim, style, validator, name );
}

bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
                         const wxPoint &pos, const wxSize &size,
                         int n, const wxString choices[], int majorDim,
                         long style, const wxValidator& validator,
                         const wxString &name )
{
    if (!PreCreation( parent, pos, size ) ||
        !CreateBase( parent, id, pos, size, style, validator, name ))
    {
        wxFAIL_MSG( wxT("wxRadioBox creation failed") );
        return false;
    }

    m_widget = GTKCreateFrame(title);
    g_object_ref(m_widget);
    wxControl::SetLabel(title);
    if ( HasFlag(wxNO_BORDER) )
    {
        // If we don't do this here, the wxNO_BORDER style is ignored in Show()
        gtk_frame_set_shadow_type(GTK_FRAME(m_widget), GTK_SHADOW_NONE);
    }


    // majorDim may be 0 if all trailing parameters were omitted, so don't
    // assert here but just use the correct value for it
    SetMajorDim(majorDim == 0 ? n : majorDim, style);


    unsigned int num_of_cols = GetColumnCount();
    unsigned int num_of_rows = GetRowCount();

    GtkRadioButton *rbtn = NULL;

    GtkWidget *table = gtk_table_new( num_of_rows, num_of_cols, FALSE );
    gtk_table_set_col_spacings( GTK_TABLE(table), 1 );
    gtk_table_set_row_spacings( GTK_TABLE(table), 1 );
    gtk_widget_show( table );
    gtk_container_add( GTK_CONTAINER(m_widget), table );

    wxString label;
    GSList *radio_button_group = NULL;
    for (unsigned int i = 0; i < (unsigned int)n; i++)
    {
        if ( i != 0 )
            radio_button_group = gtk_radio_button_get_group( GTK_RADIO_BUTTON(rbtn) );

        label.Empty();
        for ( wxString::const_iterator pc = choices[i].begin();
              pc != choices[i].end(); ++pc )
        {
            if ( *pc != wxT('&') )
                label += *pc;
        }

        rbtn = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, wxGTK_CONV( label ) ) );
        gtk_widget_show( GTK_WIDGET(rbtn) );

        g_signal_connect (rbtn, "key_press_event",
                          G_CALLBACK (gtk_radiobox_keypress_callback), this);

        m_buttonsInfo.Append( new wxGTKRadioButtonInfo( rbtn, wxRect() ) );

        if (HasFlag(wxRA_SPECIFY_COLS))
        {
            int left = i%num_of_cols;
            int right = (i%num_of_cols) + 1;
            int top = i/num_of_cols;
            int bottom = (i/num_of_cols)+1;
            gtk_table_attach( GTK_TABLE(table), GTK_WIDGET(rbtn), left, right, top, bottom,
                  GTK_FILL, GTK_FILL, 1, 1 );
        }
        else
        {
            int left = i/num_of_rows;
            int right = (i/num_of_rows) + 1;
            int top = i%num_of_rows;
            int bottom = (i%num_of_rows)+1;
            gtk_table_attach( GTK_TABLE(table), GTK_WIDGET(rbtn), left, right, top, bottom,
                  GTK_FILL, GTK_FILL, 1, 1 );
        }

        ConnectWidget( GTK_WIDGET(rbtn) );

        if (!i)
            gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(rbtn), TRUE );

        g_signal_connect (rbtn, "clicked",
                          G_CALLBACK (gtk_radiobutton_clicked_callback), this);
        g_signal_connect (rbtn, "focus_in_event",
                          G_CALLBACK (gtk_radiobutton_focus_in), this);
        g_signal_connect (rbtn, "focus_out_event",
                          G_CALLBACK (gtk_radiobutton_focus_out), this);
        g_signal_connect (rbtn, "size_allocate",
                          G_CALLBACK (gtk_radiobutton_size_allocate), this);
    }

    m_parent->DoAddChild( this );

    PostCreation(size);

    return true;
}

wxRadioBox::~wxRadioBox()
{
    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
    while (node)
    {
        GtkWidget *button = GTK_WIDGET( node->GetData()->button );
        gtk_widget_destroy( button );
        node = node->GetNext();
    }
    WX_CLEAR_LIST( wxRadioBoxButtonsInfoList, m_buttonsInfo );
}

bool wxRadioBox::Show( bool show )
{
    wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );

    if (!wxControl::Show(show))
    {
        // nothing to do
        return false;
    }

    if ( HasFlag(wxNO_BORDER) )
        gtk_widget_hide( m_widget );

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
    while (node)
    {
        GtkWidget *button = GTK_WIDGET( node->GetData()->button );

        if (show)
            gtk_widget_show( button );
        else
            gtk_widget_hide( button );

        node = node->GetNext();
    }

    return true;
}

void wxRadioBox::SetSelection( int n )
{
    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( n );

    wxCHECK_RET( node, wxT("radiobox wrong index") );

    GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData()->button );

    GtkDisableEvents();

    gtk_toggle_button_set_active( button, 1 );

    GtkEnableEvents();
}

int wxRadioBox::GetSelection(void) const
{
    wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid radiobox") );

    int count = 0;

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
    while (node)
    {
        GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData()->button );
        if (button->active) return count;
        count++;
        node = node->GetNext();
    }

    wxFAIL_MSG( wxT("wxRadioBox none selected") );

    return wxNOT_FOUND;
}

wxString wxRadioBox::GetString(unsigned int n) const
{
    wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid radiobox") );

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( n );

    wxCHECK_MSG( node, wxEmptyString, wxT("radiobox wrong index") );

    GtkLabel *label = GTK_LABEL(GTK_BIN(node->GetData()->button)->child);

    wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );

    return str;
}

void wxRadioBox::SetLabel( const wxString& label )
{
    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );

    GTKSetLabelForFrame(GTK_FRAME(m_widget), label);
}

void wxRadioBox::SetString(unsigned int item, const wxString& label)
{
    wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );

    wxCHECK_RET( node, wxT("radiobox wrong index") );

    GtkLabel *g_label = GTK_LABEL(GTK_BIN(node->GetData()->button)->child);

    gtk_label_set_text( g_label, wxGTK_CONV( label ) );
}

bool wxRadioBox::Enable( bool enable )
{
    bool isEnabled = IsEnabled();

    if ( !wxControl::Enable( enable ) )
        return false;

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
    while (node)
    {
        GtkButton *button = GTK_BUTTON( node->GetData()->button );
        GtkLabel *label = GTK_LABEL(GTK_BIN(button)->child);

        gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
        gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
        node = node->GetNext();
    }

    if (!isEnabled && enable)
    {
        GTKFixSensitivity();
    }

    return true;
}

bool wxRadioBox::Enable(unsigned int item, bool enable)
{
    wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );

    wxCHECK_MSG( node, false, wxT("radiobox wrong index") );

    GtkButton *button = GTK_BUTTON( node->GetData()->button );
    GtkLabel *label = GTK_LABEL(GTK_BIN(button)->child);

    gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
    gtk_widget_set_sensitive( GTK_WIDGET(label), enable );

    return true;
}

bool wxRadioBox::IsItemEnabled(unsigned int item) const
{
    wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );

    wxCHECK_MSG( node, false, wxT("radiobox wrong index") );

    GtkButton *button = GTK_BUTTON( node->GetData()->button );

    // don't use GTK_WIDGET_IS_SENSITIVE() here, we want to return true even if
    // the parent radiobox is disabled
    return GTK_WIDGET_SENSITIVE(GTK_WIDGET(button));
}

bool wxRadioBox::Show(unsigned int item, bool show)
{
    wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );

    wxCHECK_MSG( node, false, wxT("radiobox wrong index") );

    GtkWidget *button = GTK_WIDGET( node->GetData()->button );

    if (show)
        gtk_widget_show( button );
    else
        gtk_widget_hide( button );

    return true;
}

bool wxRadioBox::IsItemShown(unsigned int item) const
{
    wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );

    wxCHECK_MSG( node, false, wxT("radiobox wrong index") );

    GtkButton *button = GTK_BUTTON( node->GetData()->button );

    return GTK_WIDGET_VISIBLE(GTK_WIDGET(button));
}

unsigned int wxRadioBox::GetCount() const
{
    return m_buttonsInfo.GetCount();
}

void wxRadioBox::GtkDisableEvents()
{
    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
    while (node)
    {
        g_signal_handlers_block_by_func(node->GetData()->button,
            (gpointer)gtk_radiobutton_clicked_callback, this);

        node = node->GetNext();
    }
}

void wxRadioBox::GtkEnableEvents()
{
    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
    while (node)
    {
        g_signal_handlers_unblock_by_func(node->GetData()->button,
            (gpointer)gtk_radiobutton_clicked_callback, this);

        node = node->GetNext();
    }
}

void wxRadioBox::DoApplyWidgetStyle(GtkRcStyle *style)
{
    GTKFrameApplyWidgetStyle(GTK_FRAME(m_widget), style);

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
    while (node)
    {
        GtkWidget *widget = GTK_WIDGET( node->GetData()->button );

        gtk_widget_modify_style( widget, style );
        gtk_widget_modify_style(GTK_BIN(widget)->child, style);

        node = node->GetNext();
    }
}

bool wxRadioBox::GTKWidgetNeedsMnemonic() const
{
    return true;
}

void wxRadioBox::GTKWidgetDoSetMnemonic(GtkWidget* w)
{
    GTKFrameSetMnemonicWidget(GTK_FRAME(m_widget), w);
}

#if wxUSE_TOOLTIPS
void wxRadioBox::GTKApplyToolTip(GtkTooltips * WXUNUSED(tips), const gchar *tip)
{
    // set this tooltip for all radiobuttons which don't have their own tips
    unsigned n = 0;
    for ( wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
          node;
          node = node->GetNext(), n++ )
    {
        if ( !GetItemToolTip(n) )
        {
            wxToolTip::GTKApply(GTK_WIDGET(node->GetData()->button), tip);
        }
    }
}

void wxRadioBox::DoSetItemToolTip(unsigned int n, wxToolTip *tooltip)
{
    wxCharBuffer buf;
    if ( !tooltip )
        tooltip = GetToolTip();
    if ( tooltip )
        buf = wxGTK_CONV(tooltip->GetTip());

    wxToolTip::GTKApply(GTK_WIDGET(m_buttonsInfo[n]->button), buf);
}

#endif // wxUSE_TOOLTIPS

GdkWindow *wxRadioBox::GTKGetWindow(wxArrayGdkWindows& windows) const
{
    windows.push_back(m_widget->window);

    wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
    while (node)
    {
        GtkWidget *button = GTK_WIDGET( node->GetData()->button );

        windows.push_back(button->window);

        node = node->GetNext();
    }

    return NULL;
}

// static
wxVisualAttributes
wxRadioBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
    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 = gtk_radio_button_new_with_label(NULL, "");
    gtk_container_add(GTK_CONTAINER(wnd), widget);
    attr = GetDefaultAttributesFromGTKWidget(widget);
    gtk_widget_destroy(wnd);
    return attr;
}

int wxRadioBox::GetItemFromPoint(const wxPoint& point) const
{
    const wxPoint pt = ScreenToClient(point);
    unsigned n = 0;
    for ( wxRadioBoxButtonsInfoList::compatibility_iterator
            node = m_buttonsInfo.GetFirst(); node; node = node->GetNext(), n++ )
    {
        if ( m_buttonsInfo[n]->rect.Contains(pt) )
            return n;
    }

    return wxNOT_FOUND;
}

#endif // wxUSE_RADIOBOX
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: src/gtk/radiobox.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	// For compilers that support precompilation, includes "wx.h".
	11	#include "wx/wxprec.h"
	12
	13	#if wxUSE_RADIOBOX
	14
	15	#include "wx/radiobox.h"
	16
	17	#ifndef WX_PRECOMP
	18	#include "wx/log.h"
	19	#include "wx/frame.h"
	20	#include "wx/dialog.h"
	21	#endif
	22
	23	#if wxUSE_TOOLTIPS
	24	#include "wx/tooltip.h"
	25	#endif
	26
	27	#include "wx/gtk/private.h"
	28	#include <gdk/gdkkeysyms.h>
	29
	30	//-----------------------------------------------------------------------------
	31	// wxGTKRadioButtonInfo
	32	//-----------------------------------------------------------------------------
	33	// structure internally used by wxRadioBox to store its child buttons
	34
	35	class wxGTKRadioButtonInfo : public wxObject
	36	{
	37	public:
	38	wxGTKRadioButtonInfo( GtkRadioButton * abutton, const wxRect & arect )
	39	: button( abutton ), rect( arect ) {}
	40
	41	GtkRadioButton * button;
	42	wxRect rect;
	43	};
	44
	45	//-----------------------------------------------------------------------------
	46	// data
	47	//-----------------------------------------------------------------------------
	48
	49	#include "wx/listimpl.cpp"
	50	WX_DEFINE_LIST( wxRadioBoxButtonsInfoList )
	51
	52	extern bool g_blockEventsOnDrag;
	53
	54	//-----------------------------------------------------------------------------
	55	// "clicked"
	56	//-----------------------------------------------------------------------------
	57
	58	extern "C" {
	59	static void gtk_radiobutton_clicked_callback( GtkToggleButton button, wxRadioBox rb )
	60	{
	61	if (!rb->m_hasVMT) return;
	62	if (g_blockEventsOnDrag) return;
	63
	64	if (!button->active) return;
	65
	66	wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() );
	67	event.SetInt( rb->GetSelection() );
	68	event.SetString( rb->GetStringSelection() );
	69	event.SetEventObject( rb );
	70	rb->HandleWindowEvent(event);
	71	}
	72	}
	73
	74	//-----------------------------------------------------------------------------
	75	// "key_press_event"
	76	//-----------------------------------------------------------------------------
	77
	78	extern "C" {
	79	static gint gtk_radiobox_keypress_callback( GtkWidget widget, GdkEventKey gdk_event, wxRadioBox *rb )
	80	{
	81	if (!rb->m_hasVMT) return FALSE;
	82	if (g_blockEventsOnDrag) return FALSE;
	83
	84	if ( ((gdk_event->keyval == GDK_Tab) \|\|
	85	(gdk_event->keyval == GDK_ISO_Left_Tab)) &&
	86	rb->GetParent() && (rb->GetParent()->HasFlag( wxTAB_TRAVERSAL)) )
	87	{
	88	wxNavigationKeyEvent new_event;
	89	new_event.SetEventObject( rb->GetParent() );
	90	// GDK reports GDK_ISO_Left_Tab for SHIFT-TAB
	91	new_event.SetDirection( (gdk_event->keyval == GDK_Tab) );
	92	// CTRL-TAB changes the (parent) window, i.e. switch notebook page
	93	new_event.SetWindowChange( (gdk_event->state & GDK_CONTROL_MASK) );
	94	new_event.SetCurrentFocus( rb );
	95	return rb->GetParent()->HandleWindowEvent(new_event);
	96	}
	97
	98	if ((gdk_event->keyval != GDK_Up) &&
	99	(gdk_event->keyval != GDK_Down) &&
	100	(gdk_event->keyval != GDK_Left) &&
	101	(gdk_event->keyval != GDK_Right))
	102	{
	103	return FALSE;
	104	}
	105
	106	wxRadioBoxButtonsInfoList::compatibility_iterator node = rb->m_buttonsInfo.GetFirst();
	107	while( node && GTK_WIDGET( node->GetData()->button ) != widget )
	108	{
	109	node = node->GetNext();
	110	}
	111	if (!node)
	112	{
	113	return FALSE;
	114	}
	115
	116	if ((gdk_event->keyval == GDK_Up) \|\|
	117	(gdk_event->keyval == GDK_Left))
	118	{
	119	if (node == rb->m_buttonsInfo.GetFirst())
	120	node = rb->m_buttonsInfo.GetLast();
	121	else
	122	node = node->GetPrevious();
	123	}
	124	else
	125	{
	126	if (node == rb->m_buttonsInfo.GetLast())
	127	node = rb->m_buttonsInfo.GetFirst();
	128	else
	129	node = node->GetNext();
	130	}
	131
	132	GtkWidget button = (GtkWidget) node->GetData()->button;
	133
	134	gtk_widget_grab_focus( button );
	135
	136	return TRUE;
	137	}
	138	}
	139
	140	extern "C" {
	141	static gint gtk_radiobutton_focus_out( GtkWidget * WXUNUSED(widget),
	142	GdkEventFocus *WXUNUSED(event),
	143	wxRadioBox *win )
	144	{
	145	// NB: This control is composed of several GtkRadioButton widgets and
	146	// when focus changes from one of them to another in the same
	147	// wxRadioBox, we get a focus-out event followed by focus-in for
	148	// another GtkRadioButton owned by the same control. We don't want
	149	// to generate two spurious wxEVT_SET_FOCUS events in this case,
	150	// so we defer sending wx events until idle time.
	151	win->GTKHandleFocusOut();
	152
	153	// never stop the signal emission, it seems to break the kbd handling
	154	// inside the radiobox
	155	return FALSE;
	156	}
	157	}
	158
	159	extern "C" {
	160	static gint gtk_radiobutton_focus_in( GtkWidget * WXUNUSED(widget),
	161	GdkEventFocus *WXUNUSED(event),
	162	wxRadioBox *win )
	163	{
	164	win->GTKHandleFocusIn();
	165
	166	// never stop the signal emission, it seems to break the kbd handling
	167	// inside the radiobox
	168	return FALSE;
	169	}
	170	}
	171
	172	extern "C" {
	173	static void gtk_radiobutton_size_allocate( GtkWidget *widget,
	174	GtkAllocation * alloc,
	175	wxRadioBox *win )
	176	{
	177	for ( wxRadioBoxButtonsInfoList::compatibility_iterator node = win->m_buttonsInfo.GetFirst();
	178	node;
	179	node = node->GetNext())
	180	{
	181	if (widget == GTK_WIDGET(node->GetData()->button))
	182	{
	183	const wxPoint origin = win->GetPosition();
	184	wxRect rect = wxRect( alloc->x - origin.x, alloc->y - origin.y,
	185	alloc->width, alloc->height );
	186	node->GetData()->rect = rect;
	187	break;
	188	}
	189	}
	190	}
	191	}
	192
	193
	194	//-----------------------------------------------------------------------------
	195	// wxRadioBox
	196	//-----------------------------------------------------------------------------
	197
	198	IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)
	199
	200	bool wxRadioBox::Create( wxWindow *parent, wxWindowID id,
	201	const wxString& title,
	202	const wxPoint &pos, const wxSize &size,
	203	const wxArrayString& choices, int majorDim,
	204	long style, const wxValidator& validator,
	205	const wxString &name )
	206	{
	207	wxCArrayString chs(choices);
	208
	209	return Create( parent, id, title, pos, size, chs.GetCount(),
	210	chs.GetStrings(), majorDim, style, validator, name );
	211	}
	212
	213	bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
	214	const wxPoint &pos, const wxSize &size,
	215	int n, const wxString choices[], int majorDim,
	216	long style, const wxValidator& validator,
	217	const wxString &name )
	218	{
	219	if (!PreCreation( parent, pos, size ) \|\|
	220	!CreateBase( parent, id, pos, size, style, validator, name ))
	221	{
	222	wxFAIL_MSG( wxT("wxRadioBox creation failed") );
	223	return false;
	224	}
	225
	226	m_widget = GTKCreateFrame(title);
	227	g_object_ref(m_widget);
	228	wxControl::SetLabel(title);
	229	if ( HasFlag(wxNO_BORDER) )
	230	{
	231	// If we don't do this here, the wxNO_BORDER style is ignored in Show()
	232	gtk_frame_set_shadow_type(GTK_FRAME(m_widget), GTK_SHADOW_NONE);
	233	}
	234
	235
	236	// majorDim may be 0 if all trailing parameters were omitted, so don't
	237	// assert here but just use the correct value for it
	238	SetMajorDim(majorDim == 0 ? n : majorDim, style);
	239
	240
	241	unsigned int num_of_cols = GetColumnCount();
	242	unsigned int num_of_rows = GetRowCount();
	243
	244	GtkRadioButton *rbtn = NULL;
	245
	246	GtkWidget *table = gtk_table_new( num_of_rows, num_of_cols, FALSE );
	247	gtk_table_set_col_spacings( GTK_TABLE(table), 1 );
	248	gtk_table_set_row_spacings( GTK_TABLE(table), 1 );
	249	gtk_widget_show( table );
	250	gtk_container_add( GTK_CONTAINER(m_widget), table );
	251
	252	wxString label;
	253	GSList *radio_button_group = NULL;
	254	for (unsigned int i = 0; i < (unsigned int)n; i++)
	255	{
	256	if ( i != 0 )
	257	radio_button_group = gtk_radio_button_get_group( GTK_RADIO_BUTTON(rbtn) );
	258
	259	label.Empty();
	260	for ( wxString::const_iterator pc = choices[i].begin();
	261	pc != choices[i].end(); ++pc )
	262	{
	263	if ( *pc != wxT('&') )
	264	label += *pc;
	265	}
	266
	267	rbtn = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, wxGTK_CONV( label ) ) );
	268	gtk_widget_show( GTK_WIDGET(rbtn) );
	269
	270	g_signal_connect (rbtn, "key_press_event",
	271	G_CALLBACK (gtk_radiobox_keypress_callback), this);
	272
	273	m_buttonsInfo.Append( new wxGTKRadioButtonInfo( rbtn, wxRect() ) );
	274
	275	if (HasFlag(wxRA_SPECIFY_COLS))
	276	{
	277	int left = i%num_of_cols;
	278	int right = (i%num_of_cols) + 1;
	279	int top = i/num_of_cols;
	280	int bottom = (i/num_of_cols)+1;
	281	gtk_table_attach( GTK_TABLE(table), GTK_WIDGET(rbtn), left, right, top, bottom,
	282	GTK_FILL, GTK_FILL, 1, 1 );
	283	}
	284	else
	285	{
	286	int left = i/num_of_rows;
	287	int right = (i/num_of_rows) + 1;
	288	int top = i%num_of_rows;
	289	int bottom = (i%num_of_rows)+1;
	290	gtk_table_attach( GTK_TABLE(table), GTK_WIDGET(rbtn), left, right, top, bottom,
	291	GTK_FILL, GTK_FILL, 1, 1 );
	292	}
	293
	294	ConnectWidget( GTK_WIDGET(rbtn) );
	295
	296	if (!i)
	297	gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(rbtn), TRUE );
	298
	299	g_signal_connect (rbtn, "clicked",
	300	G_CALLBACK (gtk_radiobutton_clicked_callback), this);
	301	g_signal_connect (rbtn, "focus_in_event",
	302	G_CALLBACK (gtk_radiobutton_focus_in), this);
	303	g_signal_connect (rbtn, "focus_out_event",
	304	G_CALLBACK (gtk_radiobutton_focus_out), this);
	305	g_signal_connect (rbtn, "size_allocate",
	306	G_CALLBACK (gtk_radiobutton_size_allocate), this);
	307	}
	308
	309	m_parent->DoAddChild( this );
	310
	311	PostCreation(size);
	312
	313	return true;
	314	}
	315
	316	wxRadioBox::~wxRadioBox()
	317	{
	318	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
	319	while (node)
	320	{
	321	GtkWidget *button = GTK_WIDGET( node->GetData()->button );
	322	gtk_widget_destroy( button );
	323	node = node->GetNext();
	324	}
	325	WX_CLEAR_LIST( wxRadioBoxButtonsInfoList, m_buttonsInfo );
	326	}
	327
	328	bool wxRadioBox::Show( bool show )
	329	{
	330	wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
	331
	332	if (!wxControl::Show(show))
	333	{
	334	// nothing to do
	335	return false;
	336	}
	337
	338	if ( HasFlag(wxNO_BORDER) )
	339	gtk_widget_hide( m_widget );
	340
	341	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
	342	while (node)
	343	{
	344	GtkWidget *button = GTK_WIDGET( node->GetData()->button );
	345
	346	if (show)
	347	gtk_widget_show( button );
	348	else
	349	gtk_widget_hide( button );
	350
	351	node = node->GetNext();
	352	}
	353
	354	return true;
	355	}
	356
	357	void wxRadioBox::SetSelection( int n )
	358	{
	359	wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
	360
	361	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( n );
	362
	363	wxCHECK_RET( node, wxT("radiobox wrong index") );
	364
	365	GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData()->button );
	366
	367	GtkDisableEvents();
	368
	369	gtk_toggle_button_set_active( button, 1 );
	370
	371	GtkEnableEvents();
	372	}
	373
	374	int wxRadioBox::GetSelection(void) const
	375	{
	376	wxCHECK_MSG( m_widget != NULL, wxNOT_FOUND, wxT("invalid radiobox") );
	377
	378	int count = 0;
	379
	380	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
	381	while (node)
	382	{
	383	GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData()->button );
	384	if (button->active) return count;
	385	count++;
	386	node = node->GetNext();
	387	}
	388
	389	wxFAIL_MSG( wxT("wxRadioBox none selected") );
	390
	391	return wxNOT_FOUND;
	392	}
	393
	394	wxString wxRadioBox::GetString(unsigned int n) const
	395	{
	396	wxCHECK_MSG( m_widget != NULL, wxEmptyString, wxT("invalid radiobox") );
	397
	398	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( n );
	399
	400	wxCHECK_MSG( node, wxEmptyString, wxT("radiobox wrong index") );
	401
	402	GtkLabel *label = GTK_LABEL(GTK_BIN(node->GetData()->button)->child);
	403
	404	wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
	405
	406	return str;
	407	}
	408
	409	void wxRadioBox::SetLabel( const wxString& label )
	410	{
	411	wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
	412
	413	GTKSetLabelForFrame(GTK_FRAME(m_widget), label);
	414	}
	415
	416	void wxRadioBox::SetString(unsigned int item, const wxString& label)
	417	{
	418	wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
	419
	420	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
	421
	422	wxCHECK_RET( node, wxT("radiobox wrong index") );
	423
	424	GtkLabel *g_label = GTK_LABEL(GTK_BIN(node->GetData()->button)->child);
	425
	426	gtk_label_set_text( g_label, wxGTK_CONV( label ) );
	427	}
	428
	429	bool wxRadioBox::Enable( bool enable )
	430	{
	431	bool isEnabled = IsEnabled();
	432
	433	if ( !wxControl::Enable( enable ) )
	434	return false;
	435
	436	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
	437	while (node)
	438	{
	439	GtkButton *button = GTK_BUTTON( node->GetData()->button );
	440	GtkLabel *label = GTK_LABEL(GTK_BIN(button)->child);
	441
	442	gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
	443	gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
	444	node = node->GetNext();
	445	}
	446
	447	if (!isEnabled && enable)
	448	{
	449	GTKFixSensitivity();
	450	}
	451
	452	return true;
	453	}
	454
	455	bool wxRadioBox::Enable(unsigned int item, bool enable)
	456	{
	457	wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
	458
	459	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
	460
	461	wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
	462
	463	GtkButton *button = GTK_BUTTON( node->GetData()->button );
	464	GtkLabel *label = GTK_LABEL(GTK_BIN(button)->child);
	465
	466	gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
	467	gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
	468
	469	return true;
	470	}
	471
	472	bool wxRadioBox::IsItemEnabled(unsigned int item) const
	473	{
	474	wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
	475
	476	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
	477
	478	wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
	479
	480	GtkButton *button = GTK_BUTTON( node->GetData()->button );
	481
	482	// don't use GTK_WIDGET_IS_SENSITIVE() here, we want to return true even if
	483	// the parent radiobox is disabled
	484	return GTK_WIDGET_SENSITIVE(GTK_WIDGET(button));
	485	}
	486
	487	bool wxRadioBox::Show(unsigned int item, bool show)
	488	{
	489	wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
	490
	491	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
	492
	493	wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
	494
	495	GtkWidget *button = GTK_WIDGET( node->GetData()->button );
	496
	497	if (show)
	498	gtk_widget_show( button );
	499	else
	500	gtk_widget_hide( button );
	501
	502	return true;
	503	}
	504
	505	bool wxRadioBox::IsItemShown(unsigned int item) const
	506	{
	507	wxCHECK_MSG( m_widget != NULL, false, wxT("invalid radiobox") );
	508
	509	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.Item( item );
	510
	511	wxCHECK_MSG( node, false, wxT("radiobox wrong index") );
	512
	513	GtkButton *button = GTK_BUTTON( node->GetData()->button );
	514
	515	return GTK_WIDGET_VISIBLE(GTK_WIDGET(button));
	516	}
	517
	518	unsigned int wxRadioBox::GetCount() const
	519	{
	520	return m_buttonsInfo.GetCount();
	521	}
	522
	523	void wxRadioBox::GtkDisableEvents()
	524	{
	525	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
	526	while (node)
	527	{
	528	g_signal_handlers_block_by_func(node->GetData()->button,
	529	(gpointer)gtk_radiobutton_clicked_callback, this);
	530
	531	node = node->GetNext();
	532	}
	533	}
	534
	535	void wxRadioBox::GtkEnableEvents()
	536	{
	537	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
	538	while (node)
	539	{
	540	g_signal_handlers_unblock_by_func(node->GetData()->button,
	541	(gpointer)gtk_radiobutton_clicked_callback, this);
	542
	543	node = node->GetNext();
	544	}
	545	}
	546
	547	void wxRadioBox::DoApplyWidgetStyle(GtkRcStyle *style)
	548	{
	549	GTKFrameApplyWidgetStyle(GTK_FRAME(m_widget), style);
	550
	551	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
	552	while (node)
	553	{
	554	GtkWidget *widget = GTK_WIDGET( node->GetData()->button );
	555
	556	gtk_widget_modify_style( widget, style );
	557	gtk_widget_modify_style(GTK_BIN(widget)->child, style);
	558
	559	node = node->GetNext();
	560	}
	561	}
	562
	563	bool wxRadioBox::GTKWidgetNeedsMnemonic() const
	564	{
	565	return true;
	566	}
	567
	568	void wxRadioBox::GTKWidgetDoSetMnemonic(GtkWidget* w)
	569	{
	570	GTKFrameSetMnemonicWidget(GTK_FRAME(m_widget), w);
	571	}
	572
	573	#if wxUSE_TOOLTIPS
	574	void wxRadioBox::GTKApplyToolTip(GtkTooltips * WXUNUSED(tips), const gchar *tip)
	575	{
	576	// set this tooltip for all radiobuttons which don't have their own tips
	577	unsigned n = 0;
	578	for ( wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
	579	node;
	580	node = node->GetNext(), n++ )
	581	{
	582	if ( !GetItemToolTip(n) )
	583	{
	584	wxToolTip::GTKApply(GTK_WIDGET(node->GetData()->button), tip);
	585	}
	586	}
	587	}
	588
	589	void wxRadioBox::DoSetItemToolTip(unsigned int n, wxToolTip *tooltip)
	590	{
	591	wxCharBuffer buf;
	592	if ( !tooltip )
	593	tooltip = GetToolTip();
	594	if ( tooltip )
	595	buf = wxGTK_CONV(tooltip->GetTip());
	596
	597	wxToolTip::GTKApply(GTK_WIDGET(m_buttonsInfo[n]->button), buf);
	598	}
	599
	600	#endif // wxUSE_TOOLTIPS
	601
	602	GdkWindow *wxRadioBox::GTKGetWindow(wxArrayGdkWindows& windows) const
	603	{
	604	windows.push_back(m_widget->window);
	605
	606	wxRadioBoxButtonsInfoList::compatibility_iterator node = m_buttonsInfo.GetFirst();
	607	while (node)
	608	{
	609	GtkWidget *button = GTK_WIDGET( node->GetData()->button );
	610
	611	windows.push_back(button->window);
	612
	613	node = node->GetNext();
	614	}
	615
	616	return NULL;
	617	}
	618
	619	// static
	620	wxVisualAttributes
	621	wxRadioBox::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
	622	{
	623	wxVisualAttributes attr;
	624	// NB: we need toplevel window so that GTK+ can find the right style
	625	GtkWidget *wnd = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	626	GtkWidget* widget = gtk_radio_button_new_with_label(NULL, "");
	627	gtk_container_add(GTK_CONTAINER(wnd), widget);
	628	attr = GetDefaultAttributesFromGTKWidget(widget);
	629	gtk_widget_destroy(wnd);
	630	return attr;
	631	}
	632
	633	int wxRadioBox::GetItemFromPoint(const wxPoint& point) const
	634	{
	635	const wxPoint pt = ScreenToClient(point);
	636	unsigned n = 0;
	637	for ( wxRadioBoxButtonsInfoList::compatibility_iterator
	638	node = m_buttonsInfo.GetFirst(); node; node = node->GetNext(), n++ )
	639	{
	640	if ( m_buttonsInfo[n]->rect.Contains(pt) )
	641	return n;
	642	}
	643
	644	return wxNOT_FOUND;
	645	}
	646
	647	#endif // wxUSE_RADIOBOX