src/gtk/radiobox.cpp

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

#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "radiobox.h"
#endif

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

#if wxUSE_RADIOBOX

#include "wx/radiobox.h"

#include "wx/dialog.h"
#include "wx/frame.h"
#include "wx/log.h"

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

#include "wx/gtk/win_gtk.h"

//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------

extern void wxapp_install_idle_handler();
extern bool g_isIdle;

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

extern bool          g_blockEventsOnDrag;
extern wxWindowGTK  *g_delayedFocus;

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

static void gtk_radiobutton_clicked_callback( GtkToggleButton *button, wxRadioBox *rb )
{
    if (g_isIdle) wxapp_install_idle_handler();

    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->GetEventHandler()->ProcessEvent(event);
}

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

static gint gtk_radiobox_keypress_callback( GtkWidget *widget, GdkEventKey *gdk_event, wxRadioBox *rb )
{
    if (g_isIdle)
        wxapp_install_idle_handler();

    if (!rb->m_hasVMT) return FALSE;
    if (g_blockEventsOnDrag) return FALSE;

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

    wxList::compatibility_iterator node = rb->m_boxes.Find( (wxObject*) widget );
    if (!node)
    {
        return FALSE;
    }

    gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );

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

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

    gtk_widget_grab_focus( button );

    return TRUE;
}

static gint gtk_radiobutton_focus_in( GtkWidget *widget,
                                      GdkEvent *WXUNUSED(event),
                                      wxRadioBox *win )
{
    if ( win->m_lostFocus )
    {
        // no, we didn't really lose it
        win->m_lostFocus = FALSE;
    }
    else if ( !win->m_hasFocus )
    {
        win->m_hasFocus = TRUE;

        wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() );
        event.SetEventObject( win );

        // never stop the signal emission, it seems to break the kbd handling
        // inside the radiobox
        (void)win->GetEventHandler()->ProcessEvent( event );
    }

    return FALSE;
}

static gint gtk_radiobutton_focus_out( GtkWidget *widget,
                                       GdkEvent *WXUNUSED(event),
                                       wxRadioBox *win )
{
  //    wxASSERT_MSG( win->m_hasFocus, _T("got focus out without any focus in?") );
  // Replace with a warning, else we dump core a lot!
  //  if (!win->m_hasFocus)
  //      wxLogWarning(_T("Radiobox got focus out without any focus in.") );

    // we might have lost the focus, but may be not - it may have just gone to
    // another button in the same radiobox, so we'll check for it in the next
    // idle iteration (leave m_hasFocus == TRUE for now)
    win->m_lostFocus = TRUE;

    return FALSE;
}

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

IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)

void wxRadioBox::Init()
{
    m_needParent = TRUE;
    m_acceptsFocus = TRUE;

    m_hasFocus =
    m_lostFocus = FALSE;
}

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 = gtk_frame_new( wxGTK_CONV( title ) );

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

    GtkRadioButton *m_radio = (GtkRadioButton*) NULL;

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

        label.Empty();
        for ( const wxChar *pc = choices[i]; *pc; pc++ )
        {
            if ( *pc != wxT('&') )
                label += *pc;
        }

        m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, wxGTK_CONV( label ) ) );

        gtk_signal_connect( GTK_OBJECT(m_radio), "key_press_event",
           GTK_SIGNAL_FUNC(gtk_radiobox_keypress_callback), (gpointer)this );

        m_boxes.Append( (wxObject*) m_radio );

        ConnectWidget( GTK_WIDGET(m_radio) );

        if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE );

        gtk_signal_connect( GTK_OBJECT(m_radio), "clicked",
            GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );

        gtk_signal_connect( GTK_OBJECT(m_radio), "focus_in_event",
            GTK_SIGNAL_FUNC(gtk_radiobutton_focus_in), (gpointer)this );

        gtk_signal_connect( GTK_OBJECT(m_radio), "focus_out_event",
            GTK_SIGNAL_FUNC(gtk_radiobutton_focus_out), (gpointer)this );

        gtk_pizza_put( GTK_PIZZA(m_parent->m_wxwindow),
                         GTK_WIDGET(m_radio),
                         m_x+10, m_y+10+(i*24), 10, 10 );
    }

    m_parent->DoAddChild( this );

    bool wasShown = IsShown();
    if ( wasShown )
        Hide(); // prevent PostCreation() from showing us
    PostCreation();
    InheritAttributes();

    ApplyWidgetStyle();

    SetLabel( title );

    SetFont( parent->GetFont() );

    SetBestSize( size );

    if ( wasShown )
        Show();

    return TRUE;
}

wxRadioBox::~wxRadioBox()
{
    wxList::compatibility_iterator node = m_boxes.GetFirst();
    while (node)
    {
        GtkWidget *button = GTK_WIDGET( node->GetData() );
        gtk_widget_destroy( button );
        node = node->GetNext();
    }
}

void wxRadioBox::DoSetSize( int x, int y, int width, int height, int sizeFlags )
{
    wxWindow::DoSetSize( x, y, width, height, sizeFlags );

    LayoutItems(false);
}

wxSize wxRadioBox::DoGetBestSize() const
{
    wxSize size = LayoutItems(true);

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

    return size;
}

wxSize wxRadioBox::LayoutItems(bool justCalc) const
{
    wxSize res( 0, 0 );

    // avoid dividing by 0 below
    wxCHECK_MSG( m_majorDim, res, wxT("dimension of radiobox should not be 0!") );

    int num_per_major = (m_boxes.GetCount() - 1) / m_majorDim +1;

    int x = 7;
    int y = 15;

    int num_of_cols = 0;
    int num_of_rows = 0;
    if (HasFlag(wxRA_SPECIFY_COLS))
    {
        num_of_cols = m_majorDim;
        num_of_rows = num_per_major;
    }
    else
    {
        num_of_cols = num_per_major;
        num_of_rows = m_majorDim;
    }

    int lineheight = GetCharHeight()+2;

    if ( HasFlag(wxRA_SPECIFY_COLS) ||
         (HasFlag(wxRA_SPECIFY_ROWS) && (num_of_cols > 1)) )
    {
        for (int j = 0; j < num_of_cols; j++)
        {
            y = 3;
            y += lineheight;

            int max_len = 0;
            wxList::compatibility_iterator node = m_boxes.Item( j*num_of_rows );
            for (int i1 = 0; i1< num_of_rows; i1++)
            {
                GtkWidget *button = GTK_WIDGET( node->GetData() );

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

                if (req.width > max_len) max_len = req.width;

                if ( !justCalc )
                    gtk_pizza_move( GTK_PIZZA(m_parent->m_wxwindow), button, m_x+x, m_y+y );
                y += req.height;

                node = node->GetNext();
                if (!node) break;
            }

            // we don't know the max_len before

            node = m_boxes.Item( j*num_of_rows );
            for (int i2 = 0; i2< num_of_rows; i2++)
            {
                GtkWidget *button = GTK_WIDGET( node->GetData() );

                if ( !justCalc )
                    gtk_pizza_resize( GTK_PIZZA(m_parent->m_wxwindow), button, max_len, lineheight );

                node = node->GetNext();
                if (!node) break;
            }

            if (y > res.y) res.y = y;

            x += max_len + 2;
        }

        res.x = x+4;
        res.y += 4;
    }
    else
    {
        int max = 0;

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

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

            if (req.width > max) max = req.width;

            node = node->GetNext();
        }

        node = m_boxes.GetFirst();
        while (node)
        {
            GtkWidget *button = GTK_WIDGET( node->GetData() );

            if ( !justCalc )
                gtk_pizza_set_size( GTK_PIZZA(m_parent->m_wxwindow), button, m_x+x, m_y+y, max, lineheight );
            x += max;

            node = node->GetNext();
        }
        res.x = x+4;
        res.y = 40;
    }

    return res;
}

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 );

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

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

        node = node->GetNext();
    }

    return TRUE;
}

int wxRadioBox::FindString( const wxString &find ) const
{
    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") );

    int count = 0;

    wxList::compatibility_iterator node = m_boxes.GetFirst();
    while (node)
    {
        GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
#ifdef __WXGTK20__
        wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
#else
        wxString str( label->label );
#endif
        if (find == str)
            return count;

        count++;

        node = node->GetNext();
    }

    return -1;
}

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

    if (m_boxes.GetCount() == 0) return;

    wxList::compatibility_iterator node = m_boxes.GetFirst();
    while (node)
    {
        GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
        if (button->active)
        {
            gtk_widget_grab_focus( GTK_WIDGET(button) );
            return;
        }
        node = node->GetNext();
    }
}

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

    wxList::compatibility_iterator node = m_boxes.Item( n );

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

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

    GtkDisableEvents();

    gtk_toggle_button_set_active( button, 1 );

    GtkEnableEvents();
}

int wxRadioBox::GetSelection(void) const
{
    wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") );

    int count = 0;

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

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

    return -1;
}

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

    wxList::compatibility_iterator node = m_boxes.Item( n );

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

    GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );

#ifdef __WXGTK20__
    wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
#else
    wxString str( label->label );
#endif

    return str;
}

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

    wxControl::SetLabel( label );

    gtk_frame_set_label( GTK_FRAME(m_widget), wxGTK_CONV( wxControl::GetLabel() ) );
}

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

    wxList::compatibility_iterator node = m_boxes.Item( item );

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

    GtkLabel *g_label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );

    gtk_label_set( g_label, wxGTK_CONV( label ) );
}

bool wxRadioBox::Enable( bool enable )
{
    if ( !wxControl::Enable( enable ) )
        return FALSE;

    wxList::compatibility_iterator node = m_boxes.GetFirst();
    while (node)
    {
        GtkButton *button = GTK_BUTTON( node->GetData() );
        GtkLabel *label = GTK_LABEL( BUTTON_CHILD(button) );

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

    return TRUE;
}

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

    wxList::compatibility_iterator node = m_boxes.Item( item );

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

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

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

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

    wxList::compatibility_iterator node = m_boxes.Item( item );

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

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

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

wxString wxRadioBox::GetStringSelection() const
{
    wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid radiobox") );

    wxList::compatibility_iterator node = m_boxes.GetFirst();
    while (node)
    {
        GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
        if (button->active)
        {
            GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );

#ifdef __WXGTK20__
            wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
#else
            wxString str( label->label );
#endif
            return str;
        }
        node = node->GetNext();
    }

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

bool wxRadioBox::SetStringSelection( const wxString &s )
{
    wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobox") );

    int res = FindString( s );
    if (res == -1) return FALSE;
    SetSelection( res );

    return TRUE;
}

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

int wxRadioBox::GetNumberOfRowsOrCols() const
{
    return 1;
}

void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
{
    wxFAIL_MSG(wxT("wxRadioBox::SetNumberOfRowsOrCols not implemented."));
}

void wxRadioBox::GtkDisableEvents()
{
    wxList::compatibility_iterator node = m_boxes.GetFirst();
    while (node)
    {
        gtk_signal_disconnect_by_func( GTK_OBJECT(node->GetData()),
           GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );

        node = node->GetNext();
    }
}

void wxRadioBox::GtkEnableEvents()
{
    wxList::compatibility_iterator node = m_boxes.GetFirst();
    while (node)
    {
        gtk_signal_connect( GTK_OBJECT(node->GetData()), "clicked",
           GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );

        node = node->GetNext();
    }
}

void wxRadioBox::ApplyWidgetStyle()
{
    SetWidgetStyle();

    gtk_widget_set_style( m_widget, m_widgetStyle );

    wxList::compatibility_iterator node = m_boxes.GetFirst();
    while (node)
    {
        GtkWidget *widget = GTK_WIDGET( node->GetData() );
        gtk_widget_set_style( widget, m_widgetStyle );

        gtk_widget_set_style( BUTTON_CHILD(node->GetData()), m_widgetStyle );

        node = node->GetNext();
    }
}

#if wxUSE_TOOLTIPS
void wxRadioBox::ApplyToolTip( GtkTooltips *tips, const wxChar *tip )
{
    wxList::compatibility_iterator node = m_boxes.GetFirst();
    while (node)
    {
        GtkWidget *widget = GTK_WIDGET( node->GetData() );
        gtk_tooltips_set_tip( tips, widget, wxConvCurrent->cWX2MB(tip), (gchar*) NULL );
        node = node->GetNext();
    }
}
#endif // wxUSE_TOOLTIPS

bool wxRadioBox::IsOwnGtkWindow( GdkWindow *window )
{
    if (window == m_widget->window) return TRUE;

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

        if (window == button->window) return TRUE;

        node = node->GetNext();
    }

    return FALSE;
}

void wxRadioBox::OnInternalIdle()
{
    if ( m_lostFocus )
    {
        m_hasFocus = FALSE;
        m_lostFocus = FALSE;

        wxFocusEvent event( wxEVT_KILL_FOCUS, GetId() );
        event.SetEventObject( this );

        (void)GetEventHandler()->ProcessEvent( event );
    }

    if (g_delayedFocus == this)
    {
        if (GTK_WIDGET_REALIZED(m_widget))
        {
            g_delayedFocus = NULL;
            SetFocus();
        }
    }
}

#endif // wxUSE_RADIOBOX
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: radiobox.cpp
	3	// Purpose:
	4	// Author: Robert Roebling
	5	// Id: $Id$
	6	// Copyright: (c) 1998 Robert Roebling
	7	// Licence: wxWindows licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
	11	#pragma implementation "radiobox.h"
	12	#endif
	13
	14	// For compilers that support precompilation, includes "wx.h".
	15	#include "wx/wxprec.h"
	16
	17	#if wxUSE_RADIOBOX
	18
	19	#include "wx/radiobox.h"
	20
	21	#include "wx/dialog.h"
	22	#include "wx/frame.h"
	23	#include "wx/log.h"
	24
	25	#include "wx/gtk/private.h"
	26	#include <gdk/gdkkeysyms.h>
	27
	28	#include "wx/gtk/win_gtk.h"
	29
	30	//-----------------------------------------------------------------------------
	31	// idle system
	32	//-----------------------------------------------------------------------------
	33
	34	extern void wxapp_install_idle_handler();
	35	extern bool g_isIdle;
	36
	37	//-----------------------------------------------------------------------------
	38	// data
	39	//-----------------------------------------------------------------------------
	40
	41	extern bool g_blockEventsOnDrag;
	42	extern wxWindowGTK *g_delayedFocus;
	43
	44	//-----------------------------------------------------------------------------
	45	// "clicked"
	46	//-----------------------------------------------------------------------------
	47
	48	static void gtk_radiobutton_clicked_callback( GtkToggleButton button, wxRadioBox rb )
	49	{
	50	if (g_isIdle) wxapp_install_idle_handler();
	51
	52	if (!rb->m_hasVMT) return;
	53	if (g_blockEventsOnDrag) return;
	54
	55	if (!button->active) return;
	56
	57	wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() );
	58	event.SetInt( rb->GetSelection() );
	59	event.SetString( rb->GetStringSelection() );
	60	event.SetEventObject( rb );
	61	rb->GetEventHandler()->ProcessEvent(event);
	62	}
	63
	64	//-----------------------------------------------------------------------------
	65	// "key_press_event"
	66	//-----------------------------------------------------------------------------
	67
	68	static gint gtk_radiobox_keypress_callback( GtkWidget widget, GdkEventKey gdk_event, wxRadioBox *rb )
	69	{
	70	if (g_isIdle)
	71	wxapp_install_idle_handler();
	72
	73	if (!rb->m_hasVMT) return FALSE;
	74	if (g_blockEventsOnDrag) return FALSE;
	75
	76	if ((gdk_event->keyval != GDK_Up) &&
	77	(gdk_event->keyval != GDK_Down) &&
	78	(gdk_event->keyval != GDK_Left) &&
	79	(gdk_event->keyval != GDK_Right))
	80	{
	81	return FALSE;
	82	}
	83
	84	wxList::compatibility_iterator node = rb->m_boxes.Find( (wxObject*) widget );
	85	if (!node)
	86	{
	87	return FALSE;
	88	}
	89
	90	gtk_signal_emit_stop_by_name( GTK_OBJECT(widget), "key_press_event" );
	91
	92	if ((gdk_event->keyval == GDK_Up) \|\|
	93	(gdk_event->keyval == GDK_Left))
	94	{
	95	if (node == rb->m_boxes.GetFirst())
	96	node = rb->m_boxes.GetLast();
	97	else
	98	node = node->GetPrevious();
	99	}
	100	else
	101	{
	102	if (node == rb->m_boxes.GetLast())
	103	node = rb->m_boxes.GetFirst();
	104	else
	105	node = node->GetNext();
	106	}
	107
	108	GtkWidget button = (GtkWidget) node->GetData();
	109
	110	gtk_widget_grab_focus( button );
	111
	112	return TRUE;
	113	}
	114
	115	static gint gtk_radiobutton_focus_in( GtkWidget *widget,
	116	GdkEvent *WXUNUSED(event),
	117	wxRadioBox *win )
	118	{
	119	if ( win->m_lostFocus )
	120	{
	121	// no, we didn't really lose it
	122	win->m_lostFocus = FALSE;
	123	}
	124	else if ( !win->m_hasFocus )
	125	{
	126	win->m_hasFocus = TRUE;
	127
	128	wxFocusEvent event( wxEVT_SET_FOCUS, win->GetId() );
	129	event.SetEventObject( win );
	130
	131	// never stop the signal emission, it seems to break the kbd handling
	132	// inside the radiobox
	133	(void)win->GetEventHandler()->ProcessEvent( event );
	134	}
	135
	136	return FALSE;
	137	}
	138
	139	static gint gtk_radiobutton_focus_out( GtkWidget *widget,
	140	GdkEvent *WXUNUSED(event),
	141	wxRadioBox *win )
	142	{
	143	// wxASSERT_MSG( win->m_hasFocus, _T("got focus out without any focus in?") );
	144	// Replace with a warning, else we dump core a lot!
	145	// if (!win->m_hasFocus)
	146	// wxLogWarning(_T("Radiobox got focus out without any focus in.") );
	147
	148	// we might have lost the focus, but may be not - it may have just gone to
	149	// another button in the same radiobox, so we'll check for it in the next
	150	// idle iteration (leave m_hasFocus == TRUE for now)
	151	win->m_lostFocus = TRUE;
	152
	153	return FALSE;
	154	}
	155
	156	//-----------------------------------------------------------------------------
	157	// wxRadioBox
	158	//-----------------------------------------------------------------------------
	159
	160	IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)
	161
	162	void wxRadioBox::Init()
	163	{
	164	m_needParent = TRUE;
	165	m_acceptsFocus = TRUE;
	166
	167	m_hasFocus =
	168	m_lostFocus = FALSE;
	169	}
	170
	171	bool wxRadioBox::Create( wxWindow *parent, wxWindowID id,
	172	const wxString& title,
	173	const wxPoint &pos, const wxSize &size,
	174	const wxArrayString& choices, int majorDim,
	175	long style, const wxValidator& validator,
	176	const wxString &name )
	177	{
	178	wxCArrayString chs(choices);
	179
	180	return Create( parent, id, title, pos, size, chs.GetCount(),
	181	chs.GetStrings(), majorDim, style, validator, name );
	182	}
	183
	184	bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
	185	const wxPoint &pos, const wxSize &size,
	186	int n, const wxString choices[], int majorDim,
	187	long style, const wxValidator& validator,
	188	const wxString &name )
	189	{
	190	if (!PreCreation( parent, pos, size ) \|\|
	191	!CreateBase( parent, id, pos, size, style, validator, name ))
	192	{
	193	wxFAIL_MSG( wxT("wxRadioBox creation failed") );
	194	return FALSE;
	195	}
	196
	197	m_widget = gtk_frame_new( wxGTK_CONV( title ) );
	198
	199	// majorDim may be 0 if all trailing parameters were omitted, so don't
	200	// assert here but just use the correct value for it
	201	m_majorDim = majorDim == 0 ? n : majorDim;
	202
	203	GtkRadioButton m_radio = (GtkRadioButton) NULL;
	204
	205	wxString label;
	206	GSList radio_button_group = (GSList ) NULL;
	207	for (int i = 0; i < n; i++)
	208	{
	209	if ( i != 0 )
	210	radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) );
	211
	212	label.Empty();
	213	for ( const wxChar pc = choices[i]; pc; pc++ )
	214	{
	215	if ( *pc != wxT('&') )
	216	label += *pc;
	217	}
	218
	219	m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, wxGTK_CONV( label ) ) );
	220
	221	gtk_signal_connect( GTK_OBJECT(m_radio), "key_press_event",
	222	GTK_SIGNAL_FUNC(gtk_radiobox_keypress_callback), (gpointer)this );
	223
	224	m_boxes.Append( (wxObject*) m_radio );
	225
	226	ConnectWidget( GTK_WIDGET(m_radio) );
	227
	228	if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE );
	229
	230	gtk_signal_connect( GTK_OBJECT(m_radio), "clicked",
	231	GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
	232
	233	gtk_signal_connect( GTK_OBJECT(m_radio), "focus_in_event",
	234	GTK_SIGNAL_FUNC(gtk_radiobutton_focus_in), (gpointer)this );
	235
	236	gtk_signal_connect( GTK_OBJECT(m_radio), "focus_out_event",
	237	GTK_SIGNAL_FUNC(gtk_radiobutton_focus_out), (gpointer)this );
	238
	239	gtk_pizza_put( GTK_PIZZA(m_parent->m_wxwindow),
	240	GTK_WIDGET(m_radio),
	241	m_x+10, m_y+10+(i*24), 10, 10 );
	242	}
	243
	244	m_parent->DoAddChild( this );
	245
	246	bool wasShown = IsShown();
	247	if ( wasShown )
	248	Hide(); // prevent PostCreation() from showing us
	249	PostCreation();
	250	InheritAttributes();
	251
	252	ApplyWidgetStyle();
	253
	254	SetLabel( title );
	255
	256	SetFont( parent->GetFont() );
	257
	258	SetBestSize( size );
	259
	260	if ( wasShown )
	261	Show();
	262
	263	return TRUE;
	264	}
	265
	266	wxRadioBox::~wxRadioBox()
	267	{
	268	wxList::compatibility_iterator node = m_boxes.GetFirst();
	269	while (node)
	270	{
	271	GtkWidget *button = GTK_WIDGET( node->GetData() );
	272	gtk_widget_destroy( button );
	273	node = node->GetNext();
	274	}
	275	}
	276
	277	void wxRadioBox::DoSetSize( int x, int y, int width, int height, int sizeFlags )
	278	{
	279	wxWindow::DoSetSize( x, y, width, height, sizeFlags );
	280
	281	LayoutItems(false);
	282	}
	283
	284	wxSize wxRadioBox::DoGetBestSize() const
	285	{
	286	wxSize size = LayoutItems(true);
	287
	288	GtkRequisition req;
	289	req.width = 2;
	290	req.height = 2;
	291	(* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget) )->size_request ) (m_widget, &req );
	292	if (req.width > size.x)
	293	size.x = req.width;
	294
	295	return size;
	296	}
	297
	298	wxSize wxRadioBox::LayoutItems(bool justCalc) const
	299	{
	300	wxSize res( 0, 0 );
	301
	302	// avoid dividing by 0 below
	303	wxCHECK_MSG( m_majorDim, res, wxT("dimension of radiobox should not be 0!") );
	304
	305	int num_per_major = (m_boxes.GetCount() - 1) / m_majorDim +1;
	306
	307	int x = 7;
	308	int y = 15;
	309
	310	int num_of_cols = 0;
	311	int num_of_rows = 0;
	312	if (HasFlag(wxRA_SPECIFY_COLS))
	313	{
	314	num_of_cols = m_majorDim;
	315	num_of_rows = num_per_major;
	316	}
	317	else
	318	{
	319	num_of_cols = num_per_major;
	320	num_of_rows = m_majorDim;
	321	}
	322
	323	int lineheight = GetCharHeight()+2;
	324
	325	if ( HasFlag(wxRA_SPECIFY_COLS) \|\|
	326	(HasFlag(wxRA_SPECIFY_ROWS) && (num_of_cols > 1)) )
	327	{
	328	for (int j = 0; j < num_of_cols; j++)
	329	{
	330	y = 3;
	331	y += lineheight;
	332
	333	int max_len = 0;
	334	wxList::compatibility_iterator node = m_boxes.Item( j*num_of_rows );
	335	for (int i1 = 0; i1< num_of_rows; i1++)
	336	{
	337	GtkWidget *button = GTK_WIDGET( node->GetData() );
	338
	339	GtkRequisition req;
	340	req.width = 2;
	341	req.height = 2;
	342	(* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(button) )->size_request )
	343	(button, &req );
	344
	345	if (req.width > max_len) max_len = req.width;
	346
	347	if ( !justCalc )
	348	gtk_pizza_move( GTK_PIZZA(m_parent->m_wxwindow), button, m_x+x, m_y+y );
	349	y += req.height;
	350
	351	node = node->GetNext();
	352	if (!node) break;
	353	}
	354
	355	// we don't know the max_len before
	356
	357	node = m_boxes.Item( j*num_of_rows );
	358	for (int i2 = 0; i2< num_of_rows; i2++)
	359	{
	360	GtkWidget *button = GTK_WIDGET( node->GetData() );
	361
	362	if ( !justCalc )
	363	gtk_pizza_resize( GTK_PIZZA(m_parent->m_wxwindow), button, max_len, lineheight );
	364
	365	node = node->GetNext();
	366	if (!node) break;
	367	}
	368
	369	if (y > res.y) res.y = y;
	370
	371	x += max_len + 2;
	372	}
	373
	374	res.x = x+4;
	375	res.y += 4;
	376	}
	377	else
	378	{
	379	int max = 0;
	380
	381	wxList::compatibility_iterator node = m_boxes.GetFirst();
	382	while (node)
	383	{
	384	GtkWidget *button = GTK_WIDGET( node->GetData() );
	385
	386	GtkRequisition req;
	387	req.width = 2;
	388	req.height = 2;
	389	(* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(button) )->size_request )
	390	(button, &req );
	391
	392	if (req.width > max) max = req.width;
	393
	394	node = node->GetNext();
	395	}
	396
	397	node = m_boxes.GetFirst();
	398	while (node)
	399	{
	400	GtkWidget *button = GTK_WIDGET( node->GetData() );
	401
	402	if ( !justCalc )
	403	gtk_pizza_set_size( GTK_PIZZA(m_parent->m_wxwindow), button, m_x+x, m_y+y, max, lineheight );
	404	x += max;
	405
	406	node = node->GetNext();
	407	}
	408	res.x = x+4;
	409	res.y = 40;
	410	}
	411
	412	return res;
	413	}
	414
	415	bool wxRadioBox::Show( bool show )
	416	{
	417	wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobox") );
	418
	419	if (!wxControl::Show(show))
	420	{
	421	// nothing to do
	422	return FALSE;
	423	}
	424
	425	if ( HasFlag(wxNO_BORDER) )
	426	gtk_widget_hide( m_widget );
	427
	428	wxList::compatibility_iterator node = m_boxes.GetFirst();
	429	while (node)
	430	{
	431	GtkWidget *button = GTK_WIDGET( node->GetData() );
	432
	433	if (show) gtk_widget_show( button ); else gtk_widget_hide( button );
	434
	435	node = node->GetNext();
	436	}
	437
	438	return TRUE;
	439	}
	440
	441	int wxRadioBox::FindString( const wxString &find ) const
	442	{
	443	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") );
	444
	445	int count = 0;
	446
	447	wxList::compatibility_iterator node = m_boxes.GetFirst();
	448	while (node)
	449	{
	450	GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
	451	#ifdef __WXGTK20__
	452	wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
	453	#else
	454	wxString str( label->label );
	455	#endif
	456	if (find == str)
	457	return count;
	458
	459	count++;
	460
	461	node = node->GetNext();
	462	}
	463
	464	return -1;
	465	}
	466
	467	void wxRadioBox::SetFocus()
	468	{
	469	wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
	470
	471	if (m_boxes.GetCount() == 0) return;
	472
	473	wxList::compatibility_iterator node = m_boxes.GetFirst();
	474	while (node)
	475	{
	476	GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
	477	if (button->active)
	478	{
	479	gtk_widget_grab_focus( GTK_WIDGET(button) );
	480	return;
	481	}
	482	node = node->GetNext();
	483	}
	484	}
	485
	486	void wxRadioBox::SetSelection( int n )
	487	{
	488	wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
	489
	490	wxList::compatibility_iterator node = m_boxes.Item( n );
	491
	492	wxCHECK_RET( node, wxT("radiobox wrong index") );
	493
	494	GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
	495
	496	GtkDisableEvents();
	497
	498	gtk_toggle_button_set_active( button, 1 );
	499
	500	GtkEnableEvents();
	501	}
	502
	503	int wxRadioBox::GetSelection(void) const
	504	{
	505	wxCHECK_MSG( m_widget != NULL, -1, wxT("invalid radiobox") );
	506
	507	int count = 0;
	508
	509	wxList::compatibility_iterator node = m_boxes.GetFirst();
	510	while (node)
	511	{
	512	GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
	513	if (button->active) return count;
	514	count++;
	515	node = node->GetNext();
	516	}
	517
	518	wxFAIL_MSG( wxT("wxRadioBox none selected") );
	519
	520	return -1;
	521	}
	522
	523	wxString wxRadioBox::GetString( int n ) const
	524	{
	525	wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid radiobox") );
	526
	527	wxList::compatibility_iterator node = m_boxes.Item( n );
	528
	529	wxCHECK_MSG( node, wxT(""), wxT("radiobox wrong index") );
	530
	531	GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
	532
	533	#ifdef __WXGTK20__
	534	wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
	535	#else
	536	wxString str( label->label );
	537	#endif
	538
	539	return str;
	540	}
	541
	542	void wxRadioBox::SetLabel( const wxString& label )
	543	{
	544	wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
	545
	546	wxControl::SetLabel( label );
	547
	548	gtk_frame_set_label( GTK_FRAME(m_widget), wxGTK_CONV( wxControl::GetLabel() ) );
	549	}
	550
	551	void wxRadioBox::SetString( int item, const wxString& label )
	552	{
	553	wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
	554
	555	wxList::compatibility_iterator node = m_boxes.Item( item );
	556
	557	wxCHECK_RET( node, wxT("radiobox wrong index") );
	558
	559	GtkLabel *g_label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
	560
	561	gtk_label_set( g_label, wxGTK_CONV( label ) );
	562	}
	563
	564	bool wxRadioBox::Enable( bool enable )
	565	{
	566	if ( !wxControl::Enable( enable ) )
	567	return FALSE;
	568
	569	wxList::compatibility_iterator node = m_boxes.GetFirst();
	570	while (node)
	571	{
	572	GtkButton *button = GTK_BUTTON( node->GetData() );
	573	GtkLabel *label = GTK_LABEL( BUTTON_CHILD(button) );
	574
	575	gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
	576	gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
	577	node = node->GetNext();
	578	}
	579
	580	return TRUE;
	581	}
	582
	583	void wxRadioBox::Enable( int item, bool enable )
	584	{
	585	wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
	586
	587	wxList::compatibility_iterator node = m_boxes.Item( item );
	588
	589	wxCHECK_RET( node, wxT("radiobox wrong index") );
	590
	591	GtkButton *button = GTK_BUTTON( node->GetData() );
	592	GtkLabel *label = GTK_LABEL( BUTTON_CHILD(button) );
	593
	594	gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
	595	gtk_widget_set_sensitive( GTK_WIDGET(label), enable );
	596	}
	597
	598	void wxRadioBox::Show( int item, bool show )
	599	{
	600	wxCHECK_RET( m_widget != NULL, wxT("invalid radiobox") );
	601
	602	wxList::compatibility_iterator node = m_boxes.Item( item );
	603
	604	wxCHECK_RET( node, wxT("radiobox wrong index") );
	605
	606	GtkWidget *button = GTK_WIDGET( node->GetData() );
	607
	608	if (show)
	609	gtk_widget_show( button );
	610	else
	611	gtk_widget_hide( button );
	612	}
	613
	614	wxString wxRadioBox::GetStringSelection() const
	615	{
	616	wxCHECK_MSG( m_widget != NULL, wxT(""), wxT("invalid radiobox") );
	617
	618	wxList::compatibility_iterator node = m_boxes.GetFirst();
	619	while (node)
	620	{
	621	GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->GetData() );
	622	if (button->active)
	623	{
	624	GtkLabel *label = GTK_LABEL( BUTTON_CHILD(node->GetData()) );
	625
	626	#ifdef __WXGTK20__
	627	wxString str( wxGTK_CONV_BACK( gtk_label_get_text(label) ) );
	628	#else
	629	wxString str( label->label );
	630	#endif
	631	return str;
	632	}
	633	node = node->GetNext();
	634	}
	635
	636	wxFAIL_MSG( wxT("wxRadioBox none selected") );
	637	return wxT("");
	638	}
	639
	640	bool wxRadioBox::SetStringSelection( const wxString &s )
	641	{
	642	wxCHECK_MSG( m_widget != NULL, FALSE, wxT("invalid radiobox") );
	643
	644	int res = FindString( s );
	645	if (res == -1) return FALSE;
	646	SetSelection( res );
	647
	648	return TRUE;
	649	}
	650
	651	int wxRadioBox::GetCount() const
	652	{
	653	return m_boxes.GetCount();
	654	}
	655
	656	int wxRadioBox::GetNumberOfRowsOrCols() const
	657	{
	658	return 1;
	659	}
	660
	661	void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
	662	{
	663	wxFAIL_MSG(wxT("wxRadioBox::SetNumberOfRowsOrCols not implemented."));
	664	}
	665
	666	void wxRadioBox::GtkDisableEvents()
	667	{
	668	wxList::compatibility_iterator node = m_boxes.GetFirst();
	669	while (node)
	670	{
	671	gtk_signal_disconnect_by_func( GTK_OBJECT(node->GetData()),
	672	GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
	673
	674	node = node->GetNext();
	675	}
	676	}
	677
	678	void wxRadioBox::GtkEnableEvents()
	679	{
	680	wxList::compatibility_iterator node = m_boxes.GetFirst();
	681	while (node)
	682	{
	683	gtk_signal_connect( GTK_OBJECT(node->GetData()), "clicked",
	684	GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
	685
	686	node = node->GetNext();
	687	}
	688	}
	689
	690	void wxRadioBox::ApplyWidgetStyle()
	691	{
	692	SetWidgetStyle();
	693
	694	gtk_widget_set_style( m_widget, m_widgetStyle );
	695
	696	wxList::compatibility_iterator node = m_boxes.GetFirst();
	697	while (node)
	698	{
	699	GtkWidget *widget = GTK_WIDGET( node->GetData() );
	700	gtk_widget_set_style( widget, m_widgetStyle );
	701
	702	gtk_widget_set_style( BUTTON_CHILD(node->GetData()), m_widgetStyle );
	703
	704	node = node->GetNext();
	705	}
	706	}
	707
	708	#if wxUSE_TOOLTIPS
	709	void wxRadioBox::ApplyToolTip( GtkTooltips tips, const wxChar tip )
	710	{
	711	wxList::compatibility_iterator node = m_boxes.GetFirst();
	712	while (node)
	713	{
	714	GtkWidget *widget = GTK_WIDGET( node->GetData() );
	715	gtk_tooltips_set_tip( tips, widget, wxConvCurrent->cWX2MB(tip), (gchar*) NULL );
	716	node = node->GetNext();
	717	}
	718	}
	719	#endif // wxUSE_TOOLTIPS
	720
	721	bool wxRadioBox::IsOwnGtkWindow( GdkWindow *window )
	722	{
	723	if (window == m_widget->window) return TRUE;
	724
	725	wxList::compatibility_iterator node = m_boxes.GetFirst();
	726	while (node)
	727	{
	728	GtkWidget *button = GTK_WIDGET( node->GetData() );
	729
	730	if (window == button->window) return TRUE;
	731
	732	node = node->GetNext();
	733	}
	734
	735	return FALSE;
	736	}
	737
	738	void wxRadioBox::OnInternalIdle()
	739	{
	740	if ( m_lostFocus )
	741	{
	742	m_hasFocus = FALSE;
	743	m_lostFocus = FALSE;
	744
	745	wxFocusEvent event( wxEVT_KILL_FOCUS, GetId() );
	746	event.SetEventObject( this );
	747
	748	(void)GetEventHandler()->ProcessEvent( event );
	749	}
	750
	751	if (g_delayedFocus == this)
	752	{
	753	if (GTK_WIDGET_REALIZED(m_widget))
	754	{
	755	g_delayedFocus = NULL;
	756	SetFocus();
	757	}
	758	}
	759	}
	760
	761	#endif // wxUSE_RADIOBOX
	762