src/gtk/radiobox.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        radiobox.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "radiobox.h"
  14 #endif
  15
  16 #include "wx/radiobox.h"
  17 #include "wx/dialog.h"
  18 #include "wx/frame.h"
  19 #include "wx/gtk/win_gtk.h"
  20
  21 //-----------------------------------------------------------------------------
  22 // data
  23 //-----------------------------------------------------------------------------
  24
  25 extern bool   g_blockEventsOnDrag;
  26
  27 //-----------------------------------------------------------------------------
  28 // "clicked"
  29 //-----------------------------------------------------------------------------
  30
  31 static void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioBox *rb )
  32 {
  33   if (!rb->HasVMT()) return;
  34   if (g_blockEventsOnDrag) return;
  35
  36   if (rb->m_alreadySent)
  37   {
  38     rb->m_alreadySent = FALSE;
  39     return;
  40   }
  41
  42   rb->m_alreadySent = TRUE;
  43
  44   wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() );
  45   event.SetInt( rb->GetSelection() );
  46   wxString tmp( rb->GetStringSelection() );
  47   event.SetString( WXSTRINGCAST(tmp) );
  48   event.SetEventObject( rb );
  49   rb->GetEventHandler()->ProcessEvent(event);
  50 }
  51
  52 //-----------------------------------------------------------------------------
  53 // wxRadioBox
  54 //-----------------------------------------------------------------------------
  55
  56 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)
  57
  58 BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
  59   EVT_SIZE(wxRadioBox::OnSize)
  60 END_EVENT_TABLE()
  61
  62 wxRadioBox::wxRadioBox(void)
  63 {
  64 }
  65
  66 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
  67       const wxPoint &pos, const wxSize &size,
  68       int n, const wxString choices[], int WXUNUSED(majorDim),
  69       long style, const wxValidator& validator, const wxString &name )
  70 {
  71   m_alreadySent = FALSE;
  72   m_needParent = TRUE;
  73
  74   PreCreation( parent, id, pos, size, style, name );
  75
  76   SetValidator( validator );
  77
  78   m_widget = gtk_frame_new( title );
  79
  80   int x = m_x+5;
  81   int y = m_y+15;
  82   int maxLen = 0;
  83   int height = 20;
  84
  85   GtkRadioButton *m_radio = (GtkRadioButton*) NULL;
  86
  87 //  if (((m_style & wxRA_VERTICAL) == wxRA_VERTICAL) && (n > 0))
  88   if (n > 0)
  89   {
  90     GSList *radio_button_group = (GSList *) NULL;
  91     for (int i = 0; i < n; i++)
  92     {
  93       if (i) radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) );
  94
  95       m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, choices[i] ) );
  96
  97       m_boxes.Append( (wxObject*) m_radio );
  98
  99       ConnectWidget( GTK_WIDGET(m_radio) );
 100
 101       if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE );
 102
 103       gtk_signal_connect( GTK_OBJECT(m_radio), "clicked",
 104         GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
 105
 106       gtk_myfixed_put( GTK_MYFIXED(m_parent->m_wxwindow), GTK_WIDGET(m_radio), x, y );
 107
 108       int tmp = 22+gdk_string_measure( GTK_WIDGET(m_radio)->style->font, choices[i] );
 109       if (tmp > maxLen) maxLen = tmp;
 110
 111       int width = m_width-10;
 112       if (size.x == -1) width = tmp;
 113       gtk_widget_set_usize( GTK_WIDGET(m_radio), width, 20 );
 114
 115       y += 20;
 116       height += 20;
 117
 118     }
 119   }
 120
 121   wxSize newSize = size;
 122   if (newSize.x == -1) newSize.x = maxLen+10;
 123   if (newSize.y == -1) newSize.y = height;
 124   SetSize( newSize.x, newSize.y );
 125
 126   PostCreation();
 127
 128   SetLabel( title );
 129
 130   Show( TRUE );
 131
 132   return TRUE;
 133 }
 134
 135 wxRadioBox::~wxRadioBox(void)
 136 {
 137   wxNode *node = m_boxes.First();
 138   while (node)
 139   {
 140     GtkWidget *button = GTK_WIDGET( node->Data() );
 141     gtk_widget_destroy( button );
 142     node = node->Next();
 143   }
 144 }
 145
 146 void wxRadioBox::OnSize( wxSizeEvent &event )
 147 {
 148   wxControl::OnSize( event );
 149
 150   int x = m_x+5;
 151   int y = m_y+15;
 152
 153   wxNode *node = m_boxes.First();
 154   while (node)
 155   {
 156     GtkWidget *button = GTK_WIDGET( node->Data() );
 157
 158     gtk_myfixed_move( GTK_MYFIXED(m_parent->m_wxwindow), button, x, y );
 159     y += 20;
 160
 161     int w = m_width-10;
 162     if (w < 15) w = 15;
 163     gtk_widget_set_usize( button, w, 20 );
 164
 165     node = node->Next();
 166   }
 167 }
 168
 169 bool wxRadioBox::Show( bool show )
 170 {
 171   wxWindow::Show( show );
 172
 173   wxNode *node = m_boxes.First();
 174   while (node)
 175   {
 176     GtkWidget *button = GTK_WIDGET( node->Data() );
 177
 178     if (show) gtk_widget_show( button ); else gtk_widget_hide( button );
 179
 180     node = node->Next();
 181   }
 182
 183   return TRUE;
 184 }
 185
 186 int wxRadioBox::FindString( const wxString &s ) const
 187 {
 188   int count = 0;
 189
 190   wxNode *node = m_boxes.First();
 191   while (node)
 192   {
 193     GtkButton *button = GTK_BUTTON( node->Data() );
 194
 195     GtkLabel *label = GTK_LABEL( button->child );
 196     if (s == label->label) return count;
 197     count++;
 198
 199     node = node->Next();
 200   }
 201
 202   return -1;
 203 }
 204
 205 void wxRadioBox::SetSelection( int n )
 206 {
 207   wxNode *node = m_boxes.Nth( n );
 208
 209   if (!node)
 210   {
 211     wxFAIL_MSG( "wxRadioBox wrong index" );
 212     return;
 213   }
 214
 215   GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 216
 217   gtk_toggle_button_set_state( button, 1 );
 218 }
 219
 220 int wxRadioBox::GetSelection(void) const
 221 {
 222   int count = 0;
 223
 224   wxNode *node = m_boxes.First();
 225   while (node)
 226   {
 227     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 228     if (button->active) return count;
 229     count++;
 230     node = node->Next();
 231   }
 232
 233   wxFAIL_MSG( "wxRadioBox none selected" );
 234
 235   return -1;
 236 }
 237
 238 wxString wxRadioBox::GetString( int n ) const
 239 {
 240   wxNode *node = m_boxes.Nth( n );
 241
 242   if (!node)
 243   {
 244     wxFAIL_MSG( "wxRadioBox wrong index" );
 245     return "";
 246   }
 247
 248   GtkButton *button = GTK_BUTTON( node->Data() );
 249   GtkLabel *label = GTK_LABEL( button->child );
 250
 251   return wxString( label->label );
 252 }
 253
 254 wxString wxRadioBox::GetLabel( int item ) const
 255 {
 256   return GetString( item );
 257 }
 258
 259 void wxRadioBox::SetLabel( const wxString& label )
 260 {
 261   wxControl::SetLabel( label );
 262   GtkFrame *frame = GTK_FRAME( m_widget );
 263   gtk_frame_set_label( frame, wxControl::GetLabel() );
 264 }
 265
 266 void wxRadioBox::SetLabel( int item, const wxString& label )
 267 {
 268   wxNode *node = m_boxes.Nth( item );
 269
 270   if (!node)
 271   {
 272     wxFAIL_MSG( "wxRadioBox wrong index" );
 273     return;
 274   }
 275
 276   GtkButton *button = GTK_BUTTON( node->Data() );
 277   GtkLabel *g_label = GTK_LABEL( button->child );
 278
 279   gtk_label_set( g_label, label );
 280 }
 281
 282 void wxRadioBox::SetLabel( int WXUNUSED(item), wxBitmap *WXUNUSED(bitmap) )
 283 {
 284   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 285 }
 286
 287 void wxRadioBox::Enable( bool enable )
 288 {
 289   wxControl::Enable( enable );
 290
 291   wxNode *node = m_boxes.First();
 292   while (node)
 293   {
 294     GtkButton *button = GTK_BUTTON( node->Data() );
 295     GtkWidget *label = button->child;
 296     gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 297     gtk_widget_set_sensitive( label, enable );
 298     node = node->Next();
 299   }
 300 }
 301
 302 void wxRadioBox::Enable( int item, bool enable )
 303 {
 304   wxNode *node = m_boxes.Nth( item );
 305
 306   if (!node)
 307   {
 308     wxFAIL_MSG( "wxRadioBox wrong index" );
 309     return;
 310   }
 311
 312   GtkButton *button = GTK_BUTTON( node->Data() );
 313   GtkWidget *label = button->child;
 314   gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 315   gtk_widget_set_sensitive( label, enable );
 316 }
 317
 318 void wxRadioBox::Show( int item, bool show )
 319 {
 320   wxNode *node = m_boxes.Nth( item );
 321
 322   if (!node)
 323   {
 324     wxFAIL_MSG( "wxRadioBox wrong index" );
 325     return;
 326   }
 327
 328   GtkWidget *button = GTK_WIDGET( node->Data() );
 329
 330   if (show)
 331     gtk_widget_show( button );
 332   else
 333     gtk_widget_hide( button );
 334 }
 335
 336 wxString wxRadioBox::GetStringSelection(void) const
 337 {
 338   wxNode *node = m_boxes.First();
 339   while (node)
 340   {
 341     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 342     if (button->active)
 343     {
 344       GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child );
 345       return label->label;
 346     }
 347     node = node->Next();
 348   }
 349
 350   wxFAIL_MSG( "wxRadioBox none selected" );
 351   return "";
 352 }
 353
 354 bool wxRadioBox::SetStringSelection( const wxString&s )
 355 {
 356   int res = FindString( s );
 357   if (res == -1) return FALSE;
 358   SetSelection( res );
 359   return TRUE;
 360 }
 361
 362 int wxRadioBox::Number(void) const
 363 {
 364   return m_boxes.Number();
 365 }
 366
 367 int wxRadioBox::GetNumberOfRowsOrCols(void) const
 368 {
 369   return 1;
 370 }
 371
 372 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
 373 {
 374   wxFAIL_MSG("wxRadioBox::SetNumberOfRowsOrCols not implemented.");
 375 }
 376
 377 void wxRadioBox::SetFont( const wxFont &font )
 378 {
 379   wxWindow::SetFont( font );
 380
 381   wxNode *node = m_boxes.First();
 382   while (node)
 383   {
 384     GtkButton *button = GTK_BUTTON( node->Data() );
 385
 386     gtk_widget_set_style( button->child,
 387       gtk_style_ref(
 388         gtk_widget_get_style( m_widget ) ) );
 389
 390     node = node->Next();
 391   }
 392 }
 393
 394 bool wxRadioBox::IsOwnGtkWindow( GdkWindow *window )
 395 {
 396   if (window == m_widget->window) return TRUE;
 397
 398   wxNode *node = m_boxes.First();
 399   while (node)
 400   {
 401     GtkWidget *button = GTK_WIDGET( node->Data() );
 402
 403     if (window == button->window) return TRUE;
 404
 405     node = node->Next();
 406   }
 407
 408   return FALSE;
 409 }