1 ///////////////////////////////////////////////////////////////////////////// 
   4 // Author:      Robert Roebling 
   6 // Copyright:   (c) 1998 Robert Roebling 
   7 // Licence:     wxWindows licence 
   8 ///////////////////////////////////////////////////////////////////////////// 
  10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) 
  11 #pragma implementation "radiobox.h" 
  14 // For compilers that support precompilation, includes "wx.h". 
  15 #include "wx/wxprec.h" 
  19 #include "wx/radiobox.h" 
  21 #include "wx/dialog.h" 
  25 #include "wx/gtk/private.h" 
  26 #include <gdk/gdkkeysyms.h> 
  28 #include "wx/gtk/win_gtk.h" 
  30 //----------------------------------------------------------------------------- 
  32 //----------------------------------------------------------------------------- 
  34 extern void wxapp_install_idle_handler(); 
  37 //----------------------------------------------------------------------------- 
  39 //----------------------------------------------------------------------------- 
  41 extern bool          g_blockEventsOnDrag
; 
  42 extern wxWindowGTK  
*g_delayedFocus
; 
  44 //----------------------------------------------------------------------------- 
  46 //----------------------------------------------------------------------------- 
  48 static void gtk_radiobutton_clicked_callback( GtkToggleButton 
*button
, wxRadioBox 
*rb 
) 
  50     if (g_isIdle
) wxapp_install_idle_handler(); 
  52     if (!rb
->m_hasVMT
) return; 
  53     if (g_blockEventsOnDrag
) return; 
  55     if (!button
->active
) return; 
  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
); 
  64 //----------------------------------------------------------------------------- 
  66 //----------------------------------------------------------------------------- 
  68 static gint 
gtk_radiobox_keypress_callback( GtkWidget 
*widget
, GdkEventKey 
*gdk_event
, wxRadioBox 
*rb 
) 
  71         wxapp_install_idle_handler(); 
  73     if (!rb
->m_hasVMT
) return FALSE
; 
  74     if (g_blockEventsOnDrag
) return FALSE
; 
  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
)) 
  84     wxList::compatibility_iterator node 
= rb
->m_boxes
.Find( (wxObject
*) widget 
); 
  90     gtk_signal_emit_stop_by_name( GTK_OBJECT(widget
), "key_press_event" ); 
  92     if ((gdk_event
->keyval 
== GDK_Up
) || 
  93         (gdk_event
->keyval 
== GDK_Left
)) 
  95         if (node 
== rb
->m_boxes
.GetFirst()) 
  96             node 
= rb
->m_boxes
.GetLast(); 
  98             node 
= node
->GetPrevious(); 
 102         if (node 
== rb
->m_boxes
.GetLast()) 
 103             node 
= rb
->m_boxes
.GetFirst(); 
 105             node 
= node
->GetNext(); 
 108     GtkWidget 
*button 
= (GtkWidget
*) node
->GetData(); 
 110     gtk_widget_grab_focus( button 
); 
 115 static gint 
gtk_radiobutton_focus_in( GtkWidget 
*widget
, 
 116                                       GdkEvent 
*WXUNUSED(event
), 
 119     if ( win
->m_lostFocus 
) 
 121         // no, we didn't really lose it 
 122         win
->m_lostFocus 
= FALSE
; 
 124     else if ( !win
->m_hasFocus 
) 
 126         win
->m_hasFocus 
= TRUE
; 
 128         wxFocusEvent 
event( wxEVT_SET_FOCUS
, win
->GetId() ); 
 129         event
.SetEventObject( win 
); 
 131         // never stop the signal emission, it seems to break the kbd handling 
 132         // inside the radiobox 
 133         (void)win
->GetEventHandler()->ProcessEvent( event 
); 
 139 static gint 
gtk_radiobutton_focus_out( GtkWidget 
*widget
, 
 140                                        GdkEvent 
*WXUNUSED(event
), 
 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.") ); 
 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
; 
 156 //----------------------------------------------------------------------------- 
 158 //----------------------------------------------------------------------------- 
 160 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox
,wxControl
) 
 162 void wxRadioBox::Init() 
 165     m_acceptsFocus 
= TRUE
; 
 171 bool wxRadioBox::Create( wxWindow 
*parent
, wxWindowID id
, const wxString
& title
, 
 172                          const wxPoint 
&pos
, const wxSize 
&size
, 
 173                          int n
, const wxString choices
[], int majorDim
, 
 174                          long style
, const wxValidator
& validator
, 
 175                          const wxString 
&name 
) 
 177     if (!PreCreation( parent
, pos
, size 
) || 
 178         !CreateBase( parent
, id
, pos
, size
, style
, validator
, name 
)) 
 180         wxFAIL_MSG( wxT("wxRadioBox creation failed") ); 
 184     m_widget 
= gtk_frame_new( wxGTK_CONV( title 
) ); 
 186     // majorDim may be 0 if all trailing parameters were omitted, so don't 
 187     // assert here but just use the correct value for it 
 188     m_majorDim 
= majorDim 
== 0 ? n 
: majorDim
; 
 190     GtkRadioButton 
*m_radio 
= (GtkRadioButton
*) NULL
; 
 193     GSList 
*radio_button_group 
= (GSList 
*) NULL
; 
 194     for (int i 
= 0; i 
< n
; i
++) 
 197             radio_button_group 
= gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio
) ); 
 200         for ( const wxChar 
*pc 
= choices
[i
]; *pc
; pc
++ ) 
 202             if ( *pc 
!= wxT('&') ) 
 206         m_radio 
= GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group
, wxGTK_CONV( label 
) ) ); 
 208         gtk_signal_connect( GTK_OBJECT(m_radio
), "key_press_event", 
 209            GTK_SIGNAL_FUNC(gtk_radiobox_keypress_callback
), (gpointer
)this ); 
 211         m_boxes
.Append( (wxObject
*) m_radio 
); 
 213         ConnectWidget( GTK_WIDGET(m_radio
) ); 
 215         if (!i
) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio
), TRUE 
); 
 217         gtk_signal_connect( GTK_OBJECT(m_radio
), "clicked", 
 218             GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback
), (gpointer
*)this ); 
 220         gtk_signal_connect( GTK_OBJECT(m_radio
), "focus_in_event", 
 221             GTK_SIGNAL_FUNC(gtk_radiobutton_focus_in
), (gpointer
)this ); 
 223         gtk_signal_connect( GTK_OBJECT(m_radio
), "focus_out_event", 
 224             GTK_SIGNAL_FUNC(gtk_radiobutton_focus_out
), (gpointer
)this ); 
 226         gtk_pizza_put( GTK_PIZZA(m_parent
->m_wxwindow
), 
 228                          m_x
+10, m_y
+10+(i
*24), 10, 10 ); 
 231     m_parent
->DoAddChild( this ); 
 240     SetFont( parent
->GetFont() ); 
 242     wxSize ls 
= LayoutItems(); 
 247     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget
) )->size_request 
) (m_widget
, &req 
); 
 248     if (req
.width 
> ls
.x
) ls
.x 
= req
.width
; 
 250     wxSize newSize 
= size
; 
 251     if (newSize
.x 
== -1) newSize
.x 
= ls
.x
; 
 252     if (newSize
.y 
== -1) newSize
.y 
= ls
.y
; 
 253     SetSize( newSize
.x
, newSize
.y 
); 
 260 wxRadioBox::~wxRadioBox() 
 262     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 265         GtkWidget 
*button 
= GTK_WIDGET( node
->GetData() ); 
 266         gtk_widget_destroy( button 
); 
 267         node 
= node
->GetNext(); 
 271 void wxRadioBox::DoSetSize( int x
, int y
, int width
, int height
, int sizeFlags 
) 
 273     wxWindow::DoSetSize( x
, y
, width
, height
, sizeFlags 
); 
 278 wxSize 
wxRadioBox::LayoutItems() 
 283     if ( m_majorDim 
== 0 ) 
 285         // avoid dividing by 0 below 
 286         wxFAIL_MSG( wxT("dimension of radiobox should not be 0!") ); 
 291     int num_per_major 
= (m_boxes
.GetCount() - 1) / m_majorDim 
+1; 
 297     if (HasFlag(wxRA_SPECIFY_COLS
)) 
 299         num_of_cols 
= m_majorDim
; 
 300         num_of_rows 
= num_per_major
; 
 304         num_of_cols 
= num_per_major
; 
 305         num_of_rows 
= m_majorDim
; 
 308     if ( HasFlag(wxRA_SPECIFY_COLS
) || 
 309          (HasFlag(wxRA_SPECIFY_ROWS
) && (num_of_cols 
> 1)) ) 
 311         for (int j 
= 0; j 
< num_of_cols
; j
++) 
 316             wxList::compatibility_iterator node 
= m_boxes
.Item( j
*num_of_rows 
); 
 317             for (int i1 
= 0; i1
< num_of_rows
; i1
++) 
 319                 GtkWidget 
*button 
= GTK_WIDGET( node
->GetData() ); 
 324                 (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(button
) )->size_request 
) 
 327                 if (req
.width 
> max_len
) max_len 
= req
.width
; 
 329                 gtk_pizza_move( GTK_PIZZA(m_parent
->m_wxwindow
), button
, m_x
+x
, m_y
+y 
); 
 332                 node 
= node
->GetNext(); 
 336             // we don't know the max_len before 
 338             node 
= m_boxes
.Item( j
*num_of_rows 
); 
 339             for (int i2 
= 0; i2
< num_of_rows
; i2
++) 
 341                 GtkWidget 
*button 
= GTK_WIDGET( node
->GetData() ); 
 343                 gtk_pizza_resize( GTK_PIZZA(m_parent
->m_wxwindow
), button
, max_len
, 20 ); 
 345                 node 
= node
->GetNext(); 
 349             if (y 
> res
.y
) res
.y 
= y
; 
 361         wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 364             GtkWidget 
*button 
= GTK_WIDGET( node
->GetData() ); 
 369             (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(button
) )->size_request 
) 
 372             if (req
.width 
> max
) max 
= req
.width
; 
 374             node 
= node
->GetNext(); 
 377         node 
= m_boxes
.GetFirst(); 
 380             GtkWidget 
*button 
= GTK_WIDGET( node
->GetData() ); 
 382             gtk_pizza_set_size( GTK_PIZZA(m_parent
->m_wxwindow
), button
, m_x
+x
, m_y
+y
, max
, 20 ); 
 385             node 
= node
->GetNext(); 
 394 bool wxRadioBox::Show( bool show 
) 
 396     wxCHECK_MSG( m_widget 
!= NULL
, FALSE
, wxT("invalid radiobox") ); 
 398     if (!wxControl::Show(show
)) 
 404     if ((m_windowStyle 
& wxNO_BORDER
) != 0) 
 405         gtk_widget_hide( m_widget 
); 
 407     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 410         GtkWidget 
*button 
= GTK_WIDGET( node
->GetData() ); 
 412         if (show
) gtk_widget_show( button 
); else gtk_widget_hide( button 
); 
 414         node 
= node
->GetNext(); 
 420 int wxRadioBox::FindString( const wxString 
&find 
) const 
 422     wxCHECK_MSG( m_widget 
!= NULL
, -1, wxT("invalid radiobox") ); 
 426     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 429         GtkLabel 
*label 
= GTK_LABEL( BUTTON_CHILD(node
->GetData()) ); 
 431         wxString 
str( wxGTK_CONV_BACK( gtk_label_get_text(label
) ) ); 
 433         wxString 
str( label
->label 
); 
 440         node 
= node
->GetNext(); 
 446 void wxRadioBox::SetFocus() 
 448     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 450     if (m_boxes
.GetCount() == 0) return; 
 452     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 455         GtkToggleButton 
*button 
= GTK_TOGGLE_BUTTON( node
->GetData() ); 
 458             gtk_widget_grab_focus( GTK_WIDGET(button
) ); 
 461         node 
= node
->GetNext(); 
 465 void wxRadioBox::SetSelection( int n 
) 
 467     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 469     wxList::compatibility_iterator node 
= m_boxes
.Item( n 
); 
 471     wxCHECK_RET( node
, wxT("radiobox wrong index") ); 
 473     GtkToggleButton 
*button 
= GTK_TOGGLE_BUTTON( node
->GetData() ); 
 477     gtk_toggle_button_set_active( button
, 1 ); 
 482 int wxRadioBox::GetSelection(void) const 
 484     wxCHECK_MSG( m_widget 
!= NULL
, -1, wxT("invalid radiobox") ); 
 488     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 491         GtkToggleButton 
*button 
= GTK_TOGGLE_BUTTON( node
->GetData() ); 
 492         if (button
->active
) return count
; 
 494         node 
= node
->GetNext(); 
 497     wxFAIL_MSG( wxT("wxRadioBox none selected") ); 
 502 wxString 
wxRadioBox::GetString( int n 
) const 
 504     wxCHECK_MSG( m_widget 
!= NULL
, wxT(""), wxT("invalid radiobox") ); 
 506     wxList::compatibility_iterator node 
= m_boxes
.Item( n 
); 
 508     wxCHECK_MSG( node
, wxT(""), wxT("radiobox wrong index") ); 
 510     GtkLabel 
*label 
= GTK_LABEL( BUTTON_CHILD(node
->GetData()) ); 
 513     wxString 
str( wxGTK_CONV_BACK( gtk_label_get_text(label
) ) ); 
 515     wxString 
str( label
->label 
); 
 521 void wxRadioBox::SetLabel( const wxString
& label 
) 
 523     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 525     wxControl::SetLabel( label 
); 
 527     gtk_frame_set_label( GTK_FRAME(m_widget
), wxGTK_CONV( wxControl::GetLabel() ) ); 
 530 void wxRadioBox::SetString( int item
, const wxString
& label 
) 
 532     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 534     wxList::compatibility_iterator node 
= m_boxes
.Item( item 
); 
 536     wxCHECK_RET( node
, wxT("radiobox wrong index") ); 
 538     GtkLabel 
*g_label 
= GTK_LABEL( BUTTON_CHILD(node
->GetData()) ); 
 540     gtk_label_set( g_label
, wxGTK_CONV( label 
) ); 
 543 bool wxRadioBox::Enable( bool enable 
) 
 545     if ( !wxControl::Enable( enable 
) ) 
 548     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 551         GtkButton 
*button 
= GTK_BUTTON( node
->GetData() ); 
 552         GtkLabel 
*label 
= GTK_LABEL( BUTTON_CHILD(button
) ); 
 554         gtk_widget_set_sensitive( GTK_WIDGET(button
), enable 
); 
 555         gtk_widget_set_sensitive( GTK_WIDGET(label
), enable 
); 
 556         node 
= node
->GetNext(); 
 562 void wxRadioBox::Enable( int item
, bool enable 
) 
 564     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 566     wxList::compatibility_iterator node 
= m_boxes
.Item( item 
); 
 568     wxCHECK_RET( node
, wxT("radiobox wrong index") ); 
 570     GtkButton 
*button 
= GTK_BUTTON( node
->GetData() ); 
 571     GtkLabel 
*label 
= GTK_LABEL( BUTTON_CHILD(button
) ); 
 573     gtk_widget_set_sensitive( GTK_WIDGET(button
), enable 
); 
 574     gtk_widget_set_sensitive( GTK_WIDGET(label
), enable 
); 
 577 void wxRadioBox::Show( int item
, bool show 
) 
 579     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 581     wxList::compatibility_iterator node 
= m_boxes
.Item( item 
); 
 583     wxCHECK_RET( node
, wxT("radiobox wrong index") ); 
 585     GtkWidget 
*button 
= GTK_WIDGET( node
->GetData() ); 
 588         gtk_widget_show( button 
); 
 590         gtk_widget_hide( button 
); 
 593 wxString 
wxRadioBox::GetStringSelection() const 
 595     wxCHECK_MSG( m_widget 
!= NULL
, wxT(""), wxT("invalid radiobox") ); 
 597     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 600         GtkToggleButton 
*button 
= GTK_TOGGLE_BUTTON( node
->GetData() ); 
 603             GtkLabel 
*label 
= GTK_LABEL( BUTTON_CHILD(node
->GetData()) ); 
 606             wxString 
str( wxGTK_CONV_BACK( gtk_label_get_text(label
) ) ); 
 608             wxString 
str( label
->label 
); 
 612         node 
= node
->GetNext(); 
 615     wxFAIL_MSG( wxT("wxRadioBox none selected") ); 
 619 bool wxRadioBox::SetStringSelection( const wxString 
&s 
) 
 621     wxCHECK_MSG( m_widget 
!= NULL
, FALSE
, wxT("invalid radiobox") ); 
 623     int res 
= FindString( s 
); 
 624     if (res 
== -1) return FALSE
; 
 630 int wxRadioBox::GetCount() const 
 632     return m_boxes
.GetCount(); 
 635 int wxRadioBox::GetNumberOfRowsOrCols() const 
 640 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n
) ) 
 642     wxFAIL_MSG(wxT("wxRadioBox::SetNumberOfRowsOrCols not implemented.")); 
 645 void wxRadioBox::GtkDisableEvents() 
 647     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 650         gtk_signal_disconnect_by_func( GTK_OBJECT(node
->GetData()), 
 651            GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback
), (gpointer
*)this ); 
 653         node 
= node
->GetNext(); 
 657 void wxRadioBox::GtkEnableEvents() 
 659     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 662         gtk_signal_connect( GTK_OBJECT(node
->GetData()), "clicked", 
 663            GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback
), (gpointer
*)this ); 
 665         node 
= node
->GetNext(); 
 669 void wxRadioBox::ApplyWidgetStyle() 
 673     gtk_widget_set_style( m_widget
, m_widgetStyle 
); 
 675     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 678         GtkWidget 
*widget 
= GTK_WIDGET( node
->GetData() ); 
 679         gtk_widget_set_style( widget
, m_widgetStyle 
); 
 681         gtk_widget_set_style( BUTTON_CHILD(node
->GetData()), m_widgetStyle 
); 
 683         node 
= node
->GetNext(); 
 688 void wxRadioBox::ApplyToolTip( GtkTooltips 
*tips
, const wxChar 
*tip 
) 
 690     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 693         GtkWidget 
*widget 
= GTK_WIDGET( node
->GetData() ); 
 694         gtk_tooltips_set_tip( tips
, widget
, wxConvCurrent
->cWX2MB(tip
), (gchar
*) NULL 
); 
 695         node 
= node
->GetNext(); 
 698 #endif // wxUSE_TOOLTIPS 
 700 bool wxRadioBox::IsOwnGtkWindow( GdkWindow 
*window 
) 
 702     if (window 
== m_widget
->window
) return TRUE
; 
 704     wxList::compatibility_iterator node 
= m_boxes
.GetFirst(); 
 707         GtkWidget 
*button 
= GTK_WIDGET( node
->GetData() ); 
 709         if (window 
== button
->window
) return TRUE
; 
 711         node 
= node
->GetNext(); 
 717 void wxRadioBox::OnInternalIdle() 
 724         wxFocusEvent 
event( wxEVT_KILL_FOCUS
, GetId() ); 
 725         event
.SetEventObject( this ); 
 727         (void)GetEventHandler()->ProcessEvent( event 
); 
 730     if (g_delayedFocus 
== this) 
 732         if (GTK_WIDGET_REALIZED(m_widget
)) 
 734             g_delayedFocus 
= NULL
; 
 740 #endif // wxUSE_RADIOBOX