src/gtk1/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 // wxRadioBox
  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
  54 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)
  55
  56 BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
  57   EVT_SIZE(wxRadioBox::OnSize)
  58 END_EVENT_TABLE()
  59
  60 wxRadioBox::wxRadioBox(void)
  61 {
  62 }
  63
  64 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
  65       const wxPoint &pos, const wxSize &size,
  66       int n, const wxString choices[], int WXUNUSED(majorDim),
  67       long style, const wxValidator& validator, const wxString &name )
  68 {
  69   m_alreadySent = FALSE;
  70   m_needParent = TRUE;
  71
  72   PreCreation( parent, id, pos, size, style, name );
  73
  74   SetValidator( validator );
  75
  76   m_widget = gtk_frame_new( title );
  77
  78   int x = m_x+5;
  79   int y = m_y+15;
  80   int maxLen = 0;
  81   int height = 20;
  82
  83 //  if (((m_style & wxRA_VERTICAL) == wxRA_VERTICAL) && (n > 0))
  84   if (n > 0)
  85   {
  86     GSList *radio_button_group = (GSList *) NULL;
  87     for (int i = 0; i < n; i++)
  88     {
  89       if (i) radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) );
  90
  91       m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, choices[i] ) );
  92
  93       if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE );
  94
  95       gtk_signal_connect( GTK_OBJECT(m_radio), "clicked",
  96         GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
  97
  98       gtk_myfixed_put( GTK_MYFIXED(m_parent->m_wxwindow), GTK_WIDGET(m_radio), x, y );
  99
 100       int tmp = 22+gdk_string_measure( GTK_WIDGET(m_radio)->style->font, choices[i] );
 101       if (tmp > maxLen) maxLen = tmp;
 102
 103       int width = m_width-10;
 104       if (size.x == -1) width = tmp;
 105       gtk_widget_set_usize( GTK_WIDGET(m_radio), width, 20 );
 106
 107       y += 20;
 108       height += 20;
 109
 110     }
 111   }
 112
 113   wxSize newSize = size;
 114   if (newSize.x == -1) newSize.x = maxLen+10;
 115   if (newSize.y == -1) newSize.y = height;
 116   SetSize( newSize.x, newSize.y );
 117
 118   PostCreation();
 119
 120   Show( TRUE );
 121
 122   return TRUE;
 123 }
 124
 125 void wxRadioBox::OnSize( wxSizeEvent &WXUNUSED(event) )
 126 {
 127   int x = m_x+5;
 128   int y = m_y+15;
 129
 130   GSList *item = gtk_radio_button_group( m_radio );
 131   while (item)
 132   {
 133     GtkWidget *button = GTK_WIDGET( item->data );
 134
 135     gtk_myfixed_move( GTK_MYFIXED(m_parent->m_wxwindow), button, x, y );
 136
 137     y += 20;
 138
 139     item = item->next;
 140   }
 141 }
 142
 143 bool wxRadioBox::Show( bool show )
 144 {
 145   wxWindow::Show( show );
 146
 147   GSList *item = gtk_radio_button_group( m_radio );
 148   while (item)
 149   {
 150     GtkWidget *w = GTK_WIDGET( item->data );
 151     if (show) gtk_widget_show( w ); else gtk_widget_hide( w );
 152     item = item->next;
 153   }
 154
 155   return TRUE;
 156 }
 157
 158 int wxRadioBox::FindString( const wxString &s ) const
 159 {
 160   GSList *item = gtk_radio_button_group( m_radio );
 161
 162   int count = g_slist_length(item)-1;
 163
 164   while (item)
 165   {
 166     GtkButton *b = GTK_BUTTON( item->data );
 167     GtkLabel *l = GTK_LABEL( b->child );
 168     if (s == l->label) return count;
 169     count--;
 170     item = item->next;
 171   }
 172
 173   return -1;
 174 }
 175
 176 void wxRadioBox::SetSelection( int n )
 177 {
 178   GSList *item = gtk_radio_button_group( m_radio );
 179   item = g_slist_nth( item, g_slist_length(item)-n-1 );
 180
 181   if (!item)
 182   {
 183     wxFAIL_MSG( "wxRadioBox wrong index" );
 184     return;
 185   }
 186
 187   GtkToggleButton *button = GTK_TOGGLE_BUTTON( item->data );
 188
 189   gtk_toggle_button_set_state( button, 1 );
 190 }
 191
 192 int wxRadioBox::GetSelection(void) const
 193 {
 194   GSList *item = gtk_radio_button_group( m_radio );
 195   int count = 0;
 196   int found = -1;
 197   while (item)
 198   {
 199     GtkButton *button = GTK_BUTTON( item->data );
 200     if (GTK_TOGGLE_BUTTON(button)->active) found = count;
 201     count++;
 202     item = item->next;
 203   }
 204
 205   return found != -1 ? count-found-1 : -1;
 206 }
 207
 208 wxString wxRadioBox::GetString( int n ) const
 209 {
 210   GSList *item = gtk_radio_button_group( m_radio );
 211
 212   item = g_slist_nth( item, g_slist_length(item)-n-1 );
 213
 214   if (!item)
 215   {
 216     wxFAIL_MSG( "wxRadioBox wrong index" );
 217     return "";
 218   }
 219
 220   GtkButton *button = GTK_BUTTON( item->data );
 221   GtkLabel *label = GTK_LABEL( button->child );
 222
 223   return wxString( label->label );
 224 }
 225
 226 wxString wxRadioBox::GetLabel( int item ) const
 227 {
 228   return GetString( item );
 229 }
 230
 231 void wxRadioBox::SetLabel( const wxString& label )
 232 {
 233   wxControl::SetLabel( label );
 234   GtkFrame *frame = GTK_FRAME( m_widget );
 235   gtk_frame_set_label( frame, wxControl::GetLabel() );
 236 }
 237
 238 void wxRadioBox::SetLabel( int item, const wxString& label )
 239 {
 240   GSList *list = gtk_radio_button_group( m_radio );
 241   list = g_slist_nth( list, g_slist_length(list)-item-1 );
 242
 243   if (!list)
 244   {
 245     wxFAIL_MSG( "wxRadioBox wrong index" );
 246     return;
 247   }
 248
 249   GtkButton *button = GTK_BUTTON( list->data );
 250   GtkLabel *g_label = GTK_LABEL( button->child );
 251
 252   gtk_label_set( g_label, label );
 253 }
 254
 255 void wxRadioBox::SetLabel( int WXUNUSED(item), wxBitmap *WXUNUSED(bitmap) )
 256 {
 257   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 258 }
 259
 260 void wxRadioBox::Enable( bool enable )
 261 {
 262   wxControl::Enable( enable );
 263
 264   GSList *item = gtk_radio_button_group( m_radio );
 265   while (item)
 266   {
 267     GtkButton *button = GTK_BUTTON( item->data );
 268     GtkWidget *label = button->child;
 269     gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 270     gtk_widget_set_sensitive( label, enable );
 271     item = item->next;
 272   }
 273 }
 274
 275 void wxRadioBox::Enable( int item, bool enable )
 276 {
 277   GSList *list = gtk_radio_button_group( m_radio );
 278   list = g_slist_nth( list, g_slist_length(list)-item-1 );
 279
 280   if (!list)
 281   {
 282     wxFAIL_MSG( "wxRadioBox wrong index" );
 283     return;
 284   }
 285
 286   GtkButton *button = GTK_BUTTON( list->data );
 287
 288   GtkWidget *label = button->child;
 289   gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 290   gtk_widget_set_sensitive( label, enable );
 291 }
 292
 293 void wxRadioBox::Show( int item, bool show )
 294 {
 295   GSList *list = gtk_radio_button_group( m_radio );
 296   list = g_slist_nth( list, g_slist_length(list)-item-1 );
 297
 298   if (!list)
 299   {
 300     wxFAIL_MSG( "wxRadioBox wrong index" );
 301     return;
 302   }
 303
 304   GtkWidget *button = GTK_WIDGET( list->data );
 305
 306   if (show)
 307     gtk_widget_show( button );
 308   else
 309     gtk_widget_hide( button );
 310 }
 311
 312 wxString wxRadioBox::GetStringSelection(void) const
 313 {
 314   GSList *item = gtk_radio_button_group( m_radio );
 315   while (item)
 316   {
 317     GtkButton *button = GTK_BUTTON( item->data );
 318     if (GTK_TOGGLE_BUTTON(button)->active)
 319     {
 320       GtkLabel *label = GTK_LABEL( button->child );
 321       return label->label;
 322     }
 323     item = item->next;
 324   }
 325   return "";
 326 }
 327
 328 bool wxRadioBox::SetStringSelection( const wxString&s )
 329 {
 330   int res = FindString( s );
 331   if (res == -1) return FALSE;
 332   SetSelection( res );
 333   return TRUE;
 334 }
 335
 336 int wxRadioBox::Number(void) const
 337 {
 338   int count = 0;
 339   GSList *item = gtk_radio_button_group( m_radio );
 340   while (item)
 341   {
 342     item = item->next;
 343     count++;
 344   }
 345   return count;
 346 }
 347
 348 int wxRadioBox::GetNumberOfRowsOrCols(void) const
 349 {
 350   return 1;
 351 }
 352
 353 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
 354 {
 355   wxFAIL_MSG("wxRadioBox::SetNumberOfRowsOrCols not implemented.");
 356 }
 357
 358 void wxRadioBox::SetFont( const wxFont &font )
 359 {
 360   wxWindow::SetFont( font );
 361
 362   GSList *item = gtk_radio_button_group( m_radio );
 363   while (item)
 364   {
 365     GtkButton *button = GTK_BUTTON( item->data );
 366
 367     gtk_widget_set_style( button->child,
 368       gtk_style_ref(
 369         gtk_widget_get_style( m_widget ) ) );
 370
 371     item = item->next;
 372   }
 373 }