1 ///////////////////////////////////////////////////////////////////////////// 
   4 // Author:      Robert Roebling 
   6 // Copyright:   (c) 1998 Robert Roebling 
   7 // Licence:     wxWindows licence 
   8 ///////////////////////////////////////////////////////////////////////////// 
  11 #pragma implementation "radiobox.h" 
  14 #include "wx/radiobox.h" 
  18 #include "wx/dialog.h" 
  24 #include <gdk/gdkkeysyms.h> 
  26 #include "wx/gtk/win_gtk.h" 
  28 //----------------------------------------------------------------------------- 
  30 //----------------------------------------------------------------------------- 
  32 extern void wxapp_install_idle_handler(); 
  35 //----------------------------------------------------------------------------- 
  37 //----------------------------------------------------------------------------- 
  39 extern bool       g_blockEventsOnDrag
; 
  41 //----------------------------------------------------------------------------- 
  43 //----------------------------------------------------------------------------- 
  45 static void gtk_radiobutton_clicked_callback( GtkWidget 
*WXUNUSED(widget
), wxRadioBox 
*rb 
) 
  47     if (g_isIdle
) wxapp_install_idle_handler(); 
  49     if (!rb
->m_hasVMT
) return; 
  50     if (g_blockEventsOnDrag
) return; 
  52     if (rb
->m_alreadySent
) 
  54         rb
->m_alreadySent 
= FALSE
; 
  58     rb
->m_alreadySent 
= TRUE
; 
  60     wxCommandEvent 
event( wxEVT_COMMAND_RADIOBOX_SELECTED
, rb
->GetId() ); 
  61     event
.SetInt( rb
->GetSelection() ); 
  62     event
.SetString( rb
->GetStringSelection() ); 
  63     event
.SetEventObject( rb 
); 
  64     rb
->GetEventHandler()->ProcessEvent(event
); 
  67 //----------------------------------------------------------------------------- 
  69 //----------------------------------------------------------------------------- 
  71 static gint 
gtk_radiobox_keypress_callback( GtkWidget 
*widget
, GdkEventKey 
*gdk_event
, wxRadioBox 
*rb 
) 
  74         wxapp_install_idle_handler(); 
  76     if (!rb
->m_hasVMT
) return FALSE
; 
  77     if (g_blockEventsOnDrag
) return FALSE
; 
  79     if ((gdk_event
->keyval 
!= GDK_Up
) && 
  80         (gdk_event
->keyval 
!= GDK_Down
) && 
  81         (gdk_event
->keyval 
!= GDK_Left
) && 
  82         (gdk_event
->keyval 
!= GDK_Right
)) 
  87     wxNode 
*node 
= rb
->m_boxes
.Find( (wxObject
*) widget 
); 
  93     gtk_signal_emit_stop_by_name( GTK_OBJECT(widget
), "key_press_event" ); 
  95     if ((gdk_event
->keyval 
== GDK_Up
) || 
  96         (gdk_event
->keyval 
== GDK_Left
)) 
  98         if (node 
== rb
->m_boxes
.First()) 
  99             node 
= rb
->m_boxes
.Last(); 
 101             node 
= node
->Previous(); 
 105         if (node 
== rb
->m_boxes
.Last()) 
 106             node 
= rb
->m_boxes
.First(); 
 111     GtkWidget 
*button 
= (GtkWidget
*) node
->Data(); 
 113     gtk_widget_grab_focus( button 
); 
 118 static gint 
gtk_radiobutton_focus_in( GtkWidget 
*widget
, 
 119                                       GdkEvent 
*WXUNUSED(event
), 
 122     if ( win
->m_lostFocus 
) 
 124         // no, we didn't really lose it 
 125         win
->m_lostFocus 
= FALSE
; 
 127     else if ( !win
->m_hasFocus 
) 
 129         win
->m_hasFocus 
= TRUE
; 
 131         wxFocusEvent 
event( wxEVT_SET_FOCUS
, win
->GetId() ); 
 132         event
.SetEventObject( win 
); 
 134         // never stop the signal emission, it seems to break the kbd handling 
 135         // inside the radiobox 
 136         (void)win
->GetEventHandler()->ProcessEvent( event 
); 
 142 static gint 
gtk_radiobutton_focus_out( GtkWidget 
*widget
, 
 143                                        GdkEvent 
*WXUNUSED(event
), 
 146   //    wxASSERT_MSG( win->m_hasFocus, _T("got focus out without any focus in?") ); 
 147   // Replace with a warning, else we dump core a lot! 
 148   //  if (!win->m_hasFocus) 
 149   //      wxLogWarning(_T("Radiobox got focus out without any focus in.") ); 
 151     // we might have lost the focus, but may be not - it may have just gone to 
 152     // another button in the same radiobox, so we'll check for it in the next 
 153     // idle iteration (leave m_hasFocus == TRUE for now) 
 154     win
->m_lostFocus 
= TRUE
; 
 159 //----------------------------------------------------------------------------- 
 161 //----------------------------------------------------------------------------- 
 163 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox
,wxControl
) 
 165 void wxRadioBox::Init() 
 167     m_alreadySent 
= FALSE
; 
 169     m_acceptsFocus 
= TRUE
; 
 175 bool wxRadioBox::Create( wxWindow 
*parent
, wxWindowID id
, const wxString
& title
, 
 176                          const wxPoint 
&pos
, const wxSize 
&size
, 
 177                          int n
, const wxString choices
[], int majorDim
, 
 178                          long style
, const wxValidator
& validator
, 
 179                          const wxString 
&name 
) 
 181     if (!PreCreation( parent
, pos
, size 
) || 
 182         !CreateBase( parent
, id
, pos
, size
, style
, validator
, name 
)) 
 184         wxFAIL_MSG( wxT("wxRadioBox creation failed") ); 
 188     m_widget 
= gtk_frame_new( title
.mbc_str() ); 
 190     // majorDim may be 0 if all trailing parameters were omitted, so don't 
 191     // assert here but just use the correct value for it 
 192     m_majorDim 
= majorDim 
== 0 ? n 
: majorDim
; 
 194     GtkRadioButton 
*m_radio 
= (GtkRadioButton
*) NULL
; 
 197     GSList 
*radio_button_group 
= (GSList 
*) NULL
; 
 198     for (int i 
= 0; i 
< n
; i
++) 
 201             radio_button_group 
= gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio
) ); 
 204         for ( const wxChar 
*pc 
= choices
[i
]; *pc
; pc
++ ) 
 206             if ( *pc 
!= wxT('&') ) 
 210         m_radio 
= GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group
, label
.mbc_str() ) ); 
 212         gtk_signal_connect( GTK_OBJECT(m_radio
), "key_press_event", 
 213            GTK_SIGNAL_FUNC(gtk_radiobox_keypress_callback
), (gpointer
)this ); 
 215         m_boxes
.Append( (wxObject
*) m_radio 
); 
 217         ConnectWidget( GTK_WIDGET(m_radio
) ); 
 219         if (!i
) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio
), TRUE 
); 
 221         gtk_signal_connect( GTK_OBJECT(m_radio
), "clicked", 
 222             GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback
), (gpointer
*)this ); 
 224         gtk_signal_connect( GTK_OBJECT(m_radio
), "focus_in_event", 
 225             GTK_SIGNAL_FUNC(gtk_radiobutton_focus_in
), (gpointer
)this ); 
 227         gtk_signal_connect( GTK_OBJECT(m_radio
), "focus_out_event", 
 228             GTK_SIGNAL_FUNC(gtk_radiobutton_focus_out
), (gpointer
)this ); 
 230         gtk_pizza_put( GTK_PIZZA(m_parent
->m_wxwindow
), 
 232                          m_x
+10, m_y
+10+(i
*24), 10, 10 ); 
 235     m_parent
->DoAddChild( this ); 
 243     SetFont( parent
->GetFont() ); 
 245     wxSize ls 
= LayoutItems(); 
 250     (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(m_widget
) )->size_request 
) (m_widget
, &req 
); 
 251     if (req
.width 
> ls
.x
) ls
.x 
= req
.width
; 
 253     wxSize newSize 
= size
; 
 254     if (newSize
.x 
== -1) newSize
.x 
= ls
.x
; 
 255     if (newSize
.y 
== -1) newSize
.y 
= ls
.y
; 
 256     SetSize( newSize
.x
, newSize
.y 
); 
 258     SetBackgroundColour( parent
->GetBackgroundColour() ); 
 259     SetForegroundColour( parent
->GetForegroundColour() ); 
 266 wxRadioBox::~wxRadioBox() 
 268     wxNode 
*node 
= m_boxes
.First(); 
 271         GtkWidget 
*button 
= GTK_WIDGET( node
->Data() ); 
 272         gtk_widget_destroy( button 
); 
 277 void wxRadioBox::DoSetSize( int x
, int y
, int width
, int height
, int sizeFlags 
) 
 279     wxWindow::DoSetSize( x
, y
, width
, height
, sizeFlags 
); 
 284 wxSize 
wxRadioBox::LayoutItems() 
 289     if ( m_majorDim 
== 0 ) 
 291         // avoid dividing by 0 below 
 292         wxFAIL_MSG( wxT("dimension of radiobox should not be 0!") ); 
 297     int num_per_major 
= (m_boxes
.GetCount() - 1) / m_majorDim 
+1; 
 303     if (HasFlag(wxRA_SPECIFY_COLS
)) 
 305         num_of_cols 
= m_majorDim
; 
 306         num_of_rows 
= num_per_major
; 
 310         num_of_cols 
= num_per_major
; 
 311         num_of_rows 
= m_majorDim
; 
 314     if ( HasFlag(wxRA_SPECIFY_COLS
) || 
 315          (HasFlag(wxRA_SPECIFY_ROWS
) && (num_of_cols 
> 1)) ) 
 317         for (int j 
= 0; j 
< num_of_cols
; j
++) 
 322             wxNode 
*node 
= m_boxes
.Nth( j
*num_of_rows 
); 
 323             for (int i1 
= 0; i1
< num_of_rows
; i1
++) 
 325                 GtkWidget 
*button 
= GTK_WIDGET( node
->Data() ); 
 330                 (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(button
) )->size_request 
) 
 333                 if (req
.width 
> max_len
) max_len 
= req
.width
; 
 335                 gtk_pizza_move( GTK_PIZZA(m_parent
->m_wxwindow
), button
, m_x
+x
, m_y
+y 
); 
 342             // we don't know the max_len before 
 344             node 
= m_boxes
.Nth( j
*num_of_rows 
); 
 345             for (int i2 
= 0; i2
< num_of_rows
; i2
++) 
 347                 GtkWidget 
*button 
= GTK_WIDGET( node
->Data() ); 
 349                 gtk_pizza_resize( GTK_PIZZA(m_parent
->m_wxwindow
), button
, max_len
, 20 ); 
 355             if (y 
> res
.y
) res
.y 
= y
; 
 367         wxNode 
*node 
= m_boxes
.First(); 
 370             GtkWidget 
*button 
= GTK_WIDGET( node
->Data() ); 
 375             (* GTK_WIDGET_CLASS( GTK_OBJECT_GET_CLASS(button
) )->size_request 
) 
 378             if (req
.width 
> max
) max 
= req
.width
; 
 383         node 
= m_boxes
.First(); 
 386             GtkWidget 
*button 
= GTK_WIDGET( node
->Data() ); 
 388             gtk_pizza_set_size( GTK_PIZZA(m_parent
->m_wxwindow
), button
, m_x
+x
, m_y
+y
, max
, 20 ); 
 400 bool wxRadioBox::Show( bool show 
) 
 402     wxCHECK_MSG( m_widget 
!= NULL
, FALSE
, wxT("invalid radiobox") ); 
 404     if (!wxControl::Show(show
)) 
 410     if ((m_windowStyle 
& wxNO_BORDER
) != 0) 
 411         gtk_widget_hide( m_widget 
); 
 413     wxNode 
*node 
= m_boxes
.First(); 
 416         GtkWidget 
*button 
= GTK_WIDGET( node
->Data() ); 
 418         if (show
) gtk_widget_show( button 
); else gtk_widget_hide( button 
); 
 426 int wxRadioBox::FindString( const wxString 
&s 
) const 
 428     wxCHECK_MSG( m_widget 
!= NULL
, -1, wxT("invalid radiobox") ); 
 432     wxNode 
*node 
= m_boxes
.First(); 
 435         GtkButton 
*button 
= GTK_BUTTON( node
->Data() ); 
 437         GtkLabel 
*label 
= GTK_LABEL( button
->child 
); 
 438         if (s 
== label
->label
) return count
; 
 447 void wxRadioBox::SetFocus() 
 449     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 451     if (m_boxes
.GetCount() == 0) return; 
 453     wxNode 
*node 
= m_boxes
.First(); 
 456         GtkToggleButton 
*button 
= GTK_TOGGLE_BUTTON( node
->Data() ); 
 459             gtk_widget_grab_focus( GTK_WIDGET(button
) ); 
 467 void wxRadioBox::SetSelection( int n 
) 
 469     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 471     wxNode 
*node 
= m_boxes
.Nth( n 
); 
 473     wxCHECK_RET( node
, wxT("radiobox wrong index") ); 
 475     GtkToggleButton 
*button 
= GTK_TOGGLE_BUTTON( node
->Data() ); 
 479     gtk_toggle_button_set_state( button
, 1 ); 
 484 int wxRadioBox::GetSelection(void) const 
 486     wxCHECK_MSG( m_widget 
!= NULL
, -1, wxT("invalid radiobox") ); 
 490     wxNode 
*node 
= m_boxes
.First(); 
 493         GtkToggleButton 
*button 
= GTK_TOGGLE_BUTTON( node
->Data() ); 
 494         if (button
->active
) return count
; 
 499     wxFAIL_MSG( wxT("wxRadioBox none selected") ); 
 504 wxString 
wxRadioBox::GetString( int n 
) const 
 506     wxCHECK_MSG( m_widget 
!= NULL
, wxT(""), wxT("invalid radiobox") ); 
 508     wxNode 
*node 
= m_boxes
.Nth( n 
); 
 510     wxCHECK_MSG( node
, wxT(""), wxT("radiobox wrong index") ); 
 512     GtkButton 
*button 
= GTK_BUTTON( node
->Data() ); 
 513     GtkLabel 
*label 
= GTK_LABEL( button
->child 
); 
 515     return wxString( label
->label 
); 
 518 wxString 
wxRadioBox::GetLabel( int item 
) const 
 520     wxCHECK_MSG( m_widget 
!= NULL
, wxT(""), wxT("invalid radiobox") ); 
 522     return GetString( item 
); 
 525 void wxRadioBox::SetLabel( const wxString
& label 
) 
 527     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 529     wxControl::SetLabel( label 
); 
 531     gtk_frame_set_label( GTK_FRAME(m_widget
), wxControl::GetLabel().mbc_str() ); 
 534 void wxRadioBox::SetLabel( int item
, const wxString
& label 
) 
 536     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 538     wxNode 
*node 
= m_boxes
.Nth( item 
); 
 540     wxCHECK_RET( node
, wxT("radiobox wrong index") ); 
 542     GtkButton 
*button 
= GTK_BUTTON( node
->Data() ); 
 543     GtkLabel 
*g_label 
= GTK_LABEL( button
->child 
); 
 545     gtk_label_set( g_label
, label
.mbc_str() ); 
 548 void wxRadioBox::SetLabel( int WXUNUSED(item
), wxBitmap 
*WXUNUSED(bitmap
) ) 
 550     wxFAIL_MSG(wxT("wxRadioBox::SetLabel not implemented.")); 
 553 bool wxRadioBox::Enable( bool enable 
) 
 555     if ( !wxControl::Enable( enable 
) ) 
 558     wxNode 
*node 
= m_boxes
.First(); 
 561         GtkButton 
*button 
= GTK_BUTTON( node
->Data() ); 
 562         GtkWidget 
*label 
= button
->child
; 
 563         gtk_widget_set_sensitive( GTK_WIDGET(button
), enable 
); 
 564         gtk_widget_set_sensitive( label
, enable 
); 
 571 void wxRadioBox::Enable( int item
, bool enable 
) 
 573     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 575     wxNode 
*node 
= m_boxes
.Nth( item 
); 
 577     wxCHECK_RET( node
, wxT("radiobox wrong index") ); 
 579     GtkButton 
*button 
= GTK_BUTTON( node
->Data() ); 
 580     GtkWidget 
*label 
= button
->child
; 
 581     gtk_widget_set_sensitive( GTK_WIDGET(button
), enable 
); 
 582     gtk_widget_set_sensitive( label
, enable 
); 
 585 void wxRadioBox::Show( int item
, bool show 
) 
 587     wxCHECK_RET( m_widget 
!= NULL
, wxT("invalid radiobox") ); 
 589     wxNode 
*node 
= m_boxes
.Nth( item 
); 
 591     wxCHECK_RET( node
, wxT("radiobox wrong index") ); 
 593     GtkWidget 
*button 
= GTK_WIDGET( node
->Data() ); 
 596         gtk_widget_show( button 
); 
 598         gtk_widget_hide( button 
); 
 601 wxString 
wxRadioBox::GetStringSelection() const 
 603     wxCHECK_MSG( m_widget 
!= NULL
, wxT(""), wxT("invalid radiobox") ); 
 605     wxNode 
*node 
= m_boxes
.First(); 
 608         GtkToggleButton 
*button 
= GTK_TOGGLE_BUTTON( node
->Data() ); 
 611             GtkLabel 
*label 
= GTK_LABEL( GTK_BUTTON(button
)->child 
); 
 617     wxFAIL_MSG( wxT("wxRadioBox none selected") ); 
 621 bool wxRadioBox::SetStringSelection( const wxString 
&s 
) 
 623     wxCHECK_MSG( m_widget 
!= NULL
, FALSE
, wxT("invalid radiobox") ); 
 625     int res 
= FindString( s 
); 
 626     if (res 
== -1) return FALSE
; 
 632 int wxRadioBox::Number() const 
 634     return m_boxes
.Number(); 
 637 int wxRadioBox::GetNumberOfRowsOrCols() const 
 642 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n
) ) 
 644     wxFAIL_MSG(wxT("wxRadioBox::SetNumberOfRowsOrCols not implemented.")); 
 647 void wxRadioBox::GtkDisableEvents() 
 649     wxNode 
*node 
= m_boxes
.First(); 
 652         gtk_signal_disconnect_by_func( GTK_OBJECT(node
->Data()), 
 653            GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback
), (gpointer
*)this ); 
 659 void wxRadioBox::GtkEnableEvents() 
 661     wxNode 
*node 
= m_boxes
.First(); 
 664         gtk_signal_connect( GTK_OBJECT(node
->Data()), "clicked", 
 665            GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback
), (gpointer
*)this ); 
 671 void wxRadioBox::ApplyWidgetStyle() 
 675     gtk_widget_set_style( m_widget
, m_widgetStyle 
); 
 677     wxNode 
*node 
= m_boxes
.First(); 
 680         GtkWidget 
*widget 
= GTK_WIDGET( node
->Data() ); 
 681         gtk_widget_set_style( widget
, m_widgetStyle 
); 
 683         GtkButton 
*button 
= GTK_BUTTON( node
->Data() ); 
 684         gtk_widget_set_style( button
->child
, m_widgetStyle 
); 
 691 void wxRadioBox::ApplyToolTip( GtkTooltips 
*tips
, const wxChar 
*tip 
) 
 693     wxNode 
*node 
= m_boxes
.First(); 
 696         GtkWidget 
*widget 
= GTK_WIDGET( node
->Data() ); 
 697         gtk_tooltips_set_tip( tips
, widget
, wxConvCurrent
->cWX2MB(tip
), (gchar
*) NULL 
); 
 701 #endif // wxUSE_TOOLTIPS 
 703 bool wxRadioBox::IsOwnGtkWindow( GdkWindow 
*window 
) 
 705     if (window 
== m_widget
->window
) return TRUE
; 
 707     wxNode 
*node 
= m_boxes
.First(); 
 710         GtkWidget 
*button 
= GTK_WIDGET( node
->Data() ); 
 712         if (window 
== button
->window
) return TRUE
; 
 720 void wxRadioBox::OnInternalIdle() 
 727         wxFocusEvent 
event( wxEVT_KILL_FOCUS
, GetId() ); 
 728         event
.SetEventObject( this ); 
 730         (void)GetEventHandler()->ProcessEvent( event 
); 
 734 #endif // wxUSE_RADIOBOX