src/gtk1/radiobox.cpp

   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
  11 #ifdef __GNUG__
  12 #pragma implementation "radiobox.h"
  13 #endif
  14
  15 #include "wx/radiobox.h"
  16 #include "wx/dialog.h"
  17 #include "wx/frame.h"
  18 #include "wx/gtk/win_gtk.h"
  19
  20 //-----------------------------------------------------------------------------
  21 // data
  22 //-----------------------------------------------------------------------------
  23
  24 extern bool   g_blockEventsOnDrag;
  25
  26 //-----------------------------------------------------------------------------
  27 // "clicked"
  28 //-----------------------------------------------------------------------------
  29
  30 static void gtk_radiobutton_clicked_callback( GtkWidget *WXUNUSED(widget), wxRadioBox *rb )
  31 {
  32   if (!rb->HasVMT()) return;
  33   if (g_blockEventsOnDrag) return;
  34
  35   if (rb->m_alreadySent)
  36   {
  37     rb->m_alreadySent = FALSE;
  38     return;
  39   }
  40
  41   rb->m_alreadySent = TRUE;
  42
  43   wxCommandEvent event( wxEVT_COMMAND_RADIOBOX_SELECTED, rb->GetId() );
  44   event.SetInt( rb->GetSelection() );
  45   wxString tmp( rb->GetStringSelection() );
  46   event.SetString( WXSTRINGCAST(tmp) );
  47   event.SetEventObject( rb );
  48   rb->GetEventHandler()->ProcessEvent(event);
  49 }
  50
  51 //-----------------------------------------------------------------------------
  52 // wxRadioBox
  53 //-----------------------------------------------------------------------------
  54
  55 IMPLEMENT_DYNAMIC_CLASS(wxRadioBox,wxControl)
  56
  57 BEGIN_EVENT_TABLE(wxRadioBox, wxControl)
  58   EVT_SIZE(wxRadioBox::OnSize)
  59 END_EVENT_TABLE()
  60
  61 wxRadioBox::wxRadioBox(void)
  62 {
  63 }
  64
  65 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
  66       const wxPoint &pos, const wxSize &size,
  67       int n, const wxString choices[], int WXUNUSED(majorDim),
  68       long style, const wxValidator& validator, const wxString &name )
  69 {
  70   m_alreadySent = FALSE;
  71   m_needParent = TRUE;
  72
  73   PreCreation( parent, id, pos, size, style, name );
  74
  75   SetValidator( validator );
  76
  77   m_widget = gtk_frame_new( title );
  78
  79   int x = m_x+5;
  80   int y = m_y+15;
  81   int maxLen = 0;
  82   int height = 20;
  83
  84   GtkRadioButton *m_radio = (GtkRadioButton*) NULL;
  85
  86 //  if (((m_style & wxRA_VERTICAL) == wxRA_VERTICAL) && (n > 0))
  87   if (n > 0)
  88   {
  89     GSList *radio_button_group = (GSList *) NULL;
  90     for (int i = 0; i < n; i++)
  91     {
  92       if (i) radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) );
  93
  94       m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, choices[i] ) );
  95
  96       m_boxes.Append( (wxObject*) m_radio );
  97
  98       ConnectWidget( GTK_WIDGET(m_radio) );
  99
 100       if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE );
 101
 102       gtk_signal_connect( GTK_OBJECT(m_radio), "clicked",
 103         GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
 104
 105       gtk_myfixed_put( GTK_MYFIXED(m_parent->m_wxwindow), GTK_WIDGET(m_radio), x, y );
 106
 107       int tmp = 22+gdk_string_measure( GTK_WIDGET(m_radio)->style->font, choices[i] );
 108       if (tmp > maxLen) maxLen = tmp;
 109
 110       int width = m_width-10;
 111       if (size.x == -1) width = tmp;
 112       gtk_widget_set_usize( GTK_WIDGET(m_radio), width, 20 );
 113
 114       y += 20;
 115       height += 20;
 116
 117     }
 118   }
 119
 120   wxSize newSize = size;
 121   if (newSize.x == -1) newSize.x = maxLen+10;
 122   if (newSize.y == -1) newSize.y = height;
 123   SetSize( newSize.x, newSize.y );
 124
 125   PostCreation();
 126
 127   SetLabel( title );
 128
 129   SetBackgroundColour( parent->GetBackgroundColour() );
 130
 131   Show( TRUE );
 132
 133   return TRUE;
 134 }
 135
 136 wxRadioBox::~wxRadioBox(void)
 137 {
 138   wxNode *node = m_boxes.First();
 139   while (node)
 140   {
 141     GtkWidget *button = GTK_WIDGET( node->Data() );
 142     gtk_widget_destroy( button );
 143     node = node->Next();
 144   }
 145 }
 146
 147 void wxRadioBox::OnSize( wxSizeEvent &event )
 148 {
 149   wxControl::OnSize( event );
 150
 151   int x = m_x+5;
 152   int y = m_y+15;
 153
 154   wxNode *node = m_boxes.First();
 155   while (node)
 156   {
 157     GtkWidget *button = GTK_WIDGET( node->Data() );
 158
 159     gtk_myfixed_move( GTK_MYFIXED(m_parent->m_wxwindow), button, x, y );
 160     y += 20;
 161
 162     int w = m_width-10;
 163     if (w < 15) w = 15;
 164     gtk_widget_set_usize( button, w, 20 );
 165
 166     node = node->Next();
 167   }
 168 }
 169
 170 bool wxRadioBox::Show( bool show )
 171 {
 172   wxCHECK_MSG( m_widget != NULL, FALSE, "invalid radiobox" );
 173
 174   wxWindow::Show( show );
 175
 176   wxNode *node = m_boxes.First();
 177   while (node)
 178   {
 179     GtkWidget *button = GTK_WIDGET( node->Data() );
 180
 181     if (show) gtk_widget_show( button ); else gtk_widget_hide( button );
 182
 183     node = node->Next();
 184   }
 185
 186   return TRUE;
 187 }
 188
 189 int wxRadioBox::FindString( const wxString &s ) const
 190 {
 191   wxCHECK_MSG( m_widget != NULL, -1, "invalid radiobox" );
 192
 193   int count = 0;
 194
 195   wxNode *node = m_boxes.First();
 196   while (node)
 197   {
 198     GtkButton *button = GTK_BUTTON( node->Data() );
 199
 200     GtkLabel *label = GTK_LABEL( button->child );
 201     if (s == label->label) return count;
 202     count++;
 203
 204     node = node->Next();
 205   }
 206
 207   return -1;
 208 }
 209
 210 void wxRadioBox::SetSelection( int n )
 211 {
 212   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 213
 214   wxNode *node = m_boxes.Nth( n );
 215
 216   if (!node)
 217   {
 218     wxFAIL_MSG( "wxRadioBox wrong index" );
 219     return;
 220   }
 221
 222   GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 223
 224   gtk_toggle_button_set_state( button, 1 );
 225 }
 226
 227 int wxRadioBox::GetSelection(void) const
 228 {
 229   wxCHECK_MSG( m_widget != NULL, -1, "invalid radiobox" );
 230
 231   int count = 0;
 232
 233   wxNode *node = m_boxes.First();
 234   while (node)
 235   {
 236     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 237     if (button->active) return count;
 238     count++;
 239     node = node->Next();
 240   }
 241
 242   wxFAIL_MSG( "wxRadioBox none selected" );
 243
 244   return -1;
 245 }
 246
 247 wxString wxRadioBox::GetString( int n ) const
 248 {
 249   wxCHECK_MSG( m_widget != NULL, "", "invalid radiobox" );
 250
 251   wxNode *node = m_boxes.Nth( n );
 252
 253   if (!node)
 254   {
 255     wxFAIL_MSG( "wxRadioBox wrong index" );
 256     return "";
 257   }
 258
 259   GtkButton *button = GTK_BUTTON( node->Data() );
 260   GtkLabel *label = GTK_LABEL( button->child );
 261
 262   return wxString( label->label );
 263 }
 264
 265 wxString wxRadioBox::GetLabel( int item ) const
 266 {
 267   wxCHECK_MSG( m_widget != NULL, "", "invalid radiobox" );
 268
 269   return GetString( item );
 270 }
 271
 272 void wxRadioBox::SetLabel( const wxString& label )
 273 {
 274   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 275
 276   wxControl::SetLabel( label );
 277
 278   gtk_frame_set_label( GTK_FRAME(m_widget), wxControl::GetLabel() );
 279 }
 280
 281 void wxRadioBox::SetLabel( int item, const wxString& label )
 282 {
 283   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 284
 285   wxNode *node = m_boxes.Nth( item );
 286
 287   if (!node)
 288   {
 289     wxFAIL_MSG( "wxRadioBox wrong index" );
 290     return;
 291   }
 292
 293   GtkButton *button = GTK_BUTTON( node->Data() );
 294   GtkLabel *g_label = GTK_LABEL( button->child );
 295
 296   gtk_label_set( g_label, label );
 297 }
 298
 299 void wxRadioBox::SetLabel( int WXUNUSED(item), wxBitmap *WXUNUSED(bitmap) )
 300 {
 301   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 302 }
 303
 304 void wxRadioBox::Enable( bool enable )
 305 {
 306   wxControl::Enable( enable );
 307
 308   wxNode *node = m_boxes.First();
 309   while (node)
 310   {
 311     GtkButton *button = GTK_BUTTON( node->Data() );
 312     GtkWidget *label = button->child;
 313     gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 314     gtk_widget_set_sensitive( label, enable );
 315     node = node->Next();
 316   }
 317 }
 318
 319 void wxRadioBox::Enable( int item, bool enable )
 320 {
 321   wxNode *node = m_boxes.Nth( item );
 322
 323   if (!node)
 324   {
 325     wxFAIL_MSG( "wxRadioBox wrong index" );
 326     return;
 327   }
 328
 329   GtkButton *button = GTK_BUTTON( node->Data() );
 330   GtkWidget *label = button->child;
 331   gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 332   gtk_widget_set_sensitive( label, enable );
 333 }
 334
 335 void wxRadioBox::Show( int item, bool show )
 336 {
 337   wxNode *node = m_boxes.Nth( item );
 338
 339   if (!node)
 340   {
 341     wxFAIL_MSG( "wxRadioBox wrong index" );
 342     return;
 343   }
 344
 345   GtkWidget *button = GTK_WIDGET( node->Data() );
 346
 347   if (show)
 348     gtk_widget_show( button );
 349   else
 350     gtk_widget_hide( button );
 351 }
 352
 353 wxString wxRadioBox::GetStringSelection(void) const
 354 {
 355   wxNode *node = m_boxes.First();
 356   while (node)
 357   {
 358     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 359     if (button->active)
 360     {
 361       GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child );
 362       return label->label;
 363     }
 364     node = node->Next();
 365   }
 366
 367   wxFAIL_MSG( "wxRadioBox none selected" );
 368   return "";
 369 }
 370
 371 bool wxRadioBox::SetStringSelection( const wxString&s )
 372 {
 373   int res = FindString( s );
 374   if (res == -1) return FALSE;
 375   SetSelection( res );
 376   return TRUE;
 377 }
 378
 379 int wxRadioBox::Number(void) const
 380 {
 381   return m_boxes.Number();
 382 }
 383
 384 int wxRadioBox::GetNumberOfRowsOrCols(void) const
 385 {
 386   return 1;
 387 }
 388
 389 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
 390 {
 391   wxFAIL_MSG("wxRadioBox::SetNumberOfRowsOrCols not implemented.");
 392 }
 393
 394 void wxRadioBox::SetFont( const wxFont &font )
 395 {
 396   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 397
 398   wxControl::SetFont( font );
 399
 400   gtk_widget_set_style( m_widget, m_widgetStyle );
 401
 402   wxNode *node = m_boxes.First();
 403   while (node)
 404   {
 405     GtkButton *button = GTK_BUTTON( node->Data() );
 406
 407     gtk_widget_set_style( button->child, m_widgetStyle );
 408
 409     node = node->Next();
 410   }
 411 }
 412
 413 void wxRadioBox::SetBackgroundColour( const wxColour &colour )
 414 {
 415   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 416
 417   wxControl::SetBackgroundColour( colour );
 418
 419   if (!m_backgroundColour.Ok()) return;
 420
 421   gtk_widget_set_style( m_widget, m_widgetStyle );
 422
 423   wxNode *node = m_boxes.First();
 424   while (node)
 425   {
 426     GtkWidget *button = GTK_WIDGET( node->Data() );
 427
 428     gtk_widget_set_style( button, m_widgetStyle );
 429
 430     node = node->Next();
 431   }
 432 }
 433
 434 bool wxRadioBox::IsOwnGtkWindow( GdkWindow *window )
 435 {
 436   if (window == m_widget->window) return TRUE;
 437
 438   wxNode *node = m_boxes.First();
 439   while (node)
 440   {
 441     GtkWidget *button = GTK_WIDGET( node->Data() );
 442
 443     if (window == button->window) return TRUE;
 444
 445     node = node->Next();
 446   }
 447
 448   return FALSE;
 449 }