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   int width = 0;
  84
  85   GtkRadioButton *m_radio = (GtkRadioButton*) NULL;
  86
  87   if (m_windowStyle & wxRA_VERTICAL)
  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 = 25+gdk_string_measure( GTK_WIDGET(m_radio)->style->font, choices[i] );
 108       if (tmp > maxLen) maxLen = tmp;
 109
 110       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     width = maxLen + 10;
 119   }
 120   else
 121   {
 122     int max = 0;
 123     for (int i = 0; i < n; i++)
 124     {
 125       GdkFont *font = m_widget->style->font;
 126       int len = 27+gdk_string_measure( font, choices[i] );
 127       if (len > max) max = len;
 128     }
 129
 130     GSList *radio_button_group = (GSList *) NULL;
 131     for (int i = 0; i < n; i++)
 132     {
 133       if (i) radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) );
 134
 135       m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, choices[i] ) );
 136
 137       m_boxes.Append( (wxObject*) m_radio );
 138
 139       ConnectWidget( GTK_WIDGET(m_radio) );
 140
 141       if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE );
 142
 143       gtk_signal_connect( GTK_OBJECT(m_radio), "clicked",
 144         GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
 145
 146       gtk_myfixed_put( GTK_MYFIXED(m_parent->m_wxwindow), GTK_WIDGET(m_radio), x, y );
 147
 148       gtk_widget_set_usize( GTK_WIDGET(m_radio), max, 20 );
 149
 150       x += max;
 151     }
 152
 153     width = max*n + 10;
 154     height = 40;
 155   }
 156
 157   wxSize newSize = size;
 158   if (newSize.x == -1) newSize.x = width;
 159   if (newSize.y == -1) newSize.y = height;
 160   SetSize( newSize.x, newSize.y );
 161
 162   gtk_myfixed_put( GTK_MYFIXED(m_parent->m_wxwindow), m_widget, m_x, m_y );
 163   gtk_widget_set_usize( m_widget, m_width, m_height );
 164
 165   PostCreation();
 166
 167   SetLabel( title );
 168
 169   SetBackgroundColour( parent->GetBackgroundColour() );
 170   SetForegroundColour( parent->GetForegroundColour() );
 171
 172   Show( TRUE );
 173
 174   return TRUE;
 175 }
 176
 177 wxRadioBox::~wxRadioBox(void)
 178 {
 179   wxNode *node = m_boxes.First();
 180   while (node)
 181   {
 182     GtkWidget *button = GTK_WIDGET( node->Data() );
 183     gtk_widget_destroy( button );
 184     node = node->Next();
 185   }
 186 }
 187
 188 void wxRadioBox::OnSize( wxSizeEvent &event )
 189 {
 190   wxControl::OnSize( event );
 191
 192   int x = m_x+5;
 193   int y = m_y+15;
 194
 195   if (m_windowStyle & wxRA_VERTICAL)
 196   {
 197     wxNode *node = m_boxes.First();
 198     while (node)
 199     {
 200       GtkWidget *button = GTK_WIDGET( node->Data() );
 201
 202       gtk_myfixed_move( GTK_MYFIXED(m_parent->m_wxwindow), button, x, y );
 203       y += 20;
 204
 205       int w = m_width-10;
 206       if (w < 15) w = 15;
 207       gtk_widget_set_usize( button, w, 20 );
 208
 209       node = node->Next();
 210     }
 211   }
 212   else
 213   {
 214     int max = 0;
 215
 216     wxNode *node = m_boxes.First();
 217     while (node)
 218     {
 219       GtkButton *button = GTK_BUTTON( node->Data() );
 220       GtkLabel *label = GTK_LABEL( button->child );
 221
 222       GdkFont *font = m_widget->style->font;
 223       int len = 27+gdk_string_measure( font, label->label );
 224       if (len > max) max = len;
 225
 226       node = node->Next();
 227     }
 228
 229     node = m_boxes.First();
 230     while (node)
 231     {
 232       GtkWidget *button = GTK_WIDGET( node->Data() );
 233
 234       gtk_myfixed_move( GTK_MYFIXED(m_parent->m_wxwindow), button, x, y );
 235       x += max;
 236       gtk_widget_set_usize( button, max, 20 );
 237
 238       node = node->Next();
 239     }
 240   }
 241 }
 242
 243 bool wxRadioBox::Show( bool show )
 244 {
 245   wxCHECK_MSG( m_widget != NULL, FALSE, "invalid radiobox" );
 246
 247   wxWindow::Show( show );
 248
 249   wxNode *node = m_boxes.First();
 250   while (node)
 251   {
 252     GtkWidget *button = GTK_WIDGET( node->Data() );
 253
 254     if (show) gtk_widget_show( button ); else gtk_widget_hide( button );
 255
 256     node = node->Next();
 257   }
 258
 259   return TRUE;
 260 }
 261
 262 int wxRadioBox::FindString( const wxString &s ) const
 263 {
 264   wxCHECK_MSG( m_widget != NULL, -1, "invalid radiobox" );
 265
 266   int count = 0;
 267
 268   wxNode *node = m_boxes.First();
 269   while (node)
 270   {
 271     GtkButton *button = GTK_BUTTON( node->Data() );
 272
 273     GtkLabel *label = GTK_LABEL( button->child );
 274     if (s == label->label) return count;
 275     count++;
 276
 277     node = node->Next();
 278   }
 279
 280   return -1;
 281 }
 282
 283 void wxRadioBox::SetSelection( int n )
 284 {
 285   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 286
 287   wxNode *node = m_boxes.Nth( n );
 288
 289   if (!node)
 290   {
 291     wxFAIL_MSG( "wxRadioBox wrong index" );
 292     return;
 293   }
 294
 295   GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 296
 297   gtk_toggle_button_set_state( button, 1 );
 298 }
 299
 300 int wxRadioBox::GetSelection(void) const
 301 {
 302   wxCHECK_MSG( m_widget != NULL, -1, "invalid radiobox" );
 303
 304   int count = 0;
 305
 306   wxNode *node = m_boxes.First();
 307   while (node)
 308   {
 309     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 310     if (button->active) return count;
 311     count++;
 312     node = node->Next();
 313   }
 314
 315   wxFAIL_MSG( "wxRadioBox none selected" );
 316
 317   return -1;
 318 }
 319
 320 wxString wxRadioBox::GetString( int n ) const
 321 {
 322   wxCHECK_MSG( m_widget != NULL, "", "invalid radiobox" );
 323
 324   wxNode *node = m_boxes.Nth( n );
 325
 326   if (!node)
 327   {
 328     wxFAIL_MSG( "wxRadioBox wrong index" );
 329     return "";
 330   }
 331
 332   GtkButton *button = GTK_BUTTON( node->Data() );
 333   GtkLabel *label = GTK_LABEL( button->child );
 334
 335   return wxString( label->label );
 336 }
 337
 338 wxString wxRadioBox::GetLabel( int item ) const
 339 {
 340   wxCHECK_MSG( m_widget != NULL, "", "invalid radiobox" );
 341
 342   return GetString( item );
 343 }
 344
 345 void wxRadioBox::SetLabel( const wxString& label )
 346 {
 347   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 348
 349   wxControl::SetLabel( label );
 350
 351   gtk_frame_set_label( GTK_FRAME(m_widget), wxControl::GetLabel() );
 352 }
 353
 354 void wxRadioBox::SetLabel( int item, const wxString& label )
 355 {
 356   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 357
 358   wxNode *node = m_boxes.Nth( item );
 359
 360   if (!node)
 361   {
 362     wxFAIL_MSG( "wxRadioBox wrong index" );
 363     return;
 364   }
 365
 366   GtkButton *button = GTK_BUTTON( node->Data() );
 367   GtkLabel *g_label = GTK_LABEL( button->child );
 368
 369   gtk_label_set( g_label, label );
 370 }
 371
 372 void wxRadioBox::SetLabel( int WXUNUSED(item), wxBitmap *WXUNUSED(bitmap) )
 373 {
 374   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 375 }
 376
 377 void wxRadioBox::Enable( bool enable )
 378 {
 379   wxControl::Enable( enable );
 380
 381   wxNode *node = m_boxes.First();
 382   while (node)
 383   {
 384     GtkButton *button = GTK_BUTTON( node->Data() );
 385     GtkWidget *label = button->child;
 386     gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 387     gtk_widget_set_sensitive( label, enable );
 388     node = node->Next();
 389   }
 390 }
 391
 392 void wxRadioBox::Enable( int item, bool enable )
 393 {
 394   wxNode *node = m_boxes.Nth( item );
 395
 396   if (!node)
 397   {
 398     wxFAIL_MSG( "wxRadioBox wrong index" );
 399     return;
 400   }
 401
 402   GtkButton *button = GTK_BUTTON( node->Data() );
 403   GtkWidget *label = button->child;
 404   gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 405   gtk_widget_set_sensitive( label, enable );
 406 }
 407
 408 void wxRadioBox::Show( int item, bool show )
 409 {
 410   wxNode *node = m_boxes.Nth( item );
 411
 412   if (!node)
 413   {
 414     wxFAIL_MSG( "wxRadioBox wrong index" );
 415     return;
 416   }
 417
 418   GtkWidget *button = GTK_WIDGET( node->Data() );
 419
 420   if (show)
 421     gtk_widget_show( button );
 422   else
 423     gtk_widget_hide( button );
 424 }
 425
 426 wxString wxRadioBox::GetStringSelection(void) const
 427 {
 428   wxNode *node = m_boxes.First();
 429   while (node)
 430   {
 431     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 432     if (button->active)
 433     {
 434       GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child );
 435       return label->label;
 436     }
 437     node = node->Next();
 438   }
 439
 440   wxFAIL_MSG( "wxRadioBox none selected" );
 441   return "";
 442 }
 443
 444 bool wxRadioBox::SetStringSelection( const wxString&s )
 445 {
 446   int res = FindString( s );
 447   if (res == -1) return FALSE;
 448   SetSelection( res );
 449   return TRUE;
 450 }
 451
 452 int wxRadioBox::Number(void) const
 453 {
 454   return m_boxes.Number();
 455 }
 456
 457 int wxRadioBox::GetNumberOfRowsOrCols(void) const
 458 {
 459   return 1;
 460 }
 461
 462 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
 463 {
 464   wxFAIL_MSG("wxRadioBox::SetNumberOfRowsOrCols not implemented.");
 465 }
 466
 467 void wxRadioBox::ApplyWidgetStyle()
 468 {
 469   SetWidgetStyle();
 470
 471   gtk_widget_set_style( m_widget, m_widgetStyle );
 472
 473   wxNode *node = m_boxes.First();
 474   while (node)
 475   {
 476     GtkWidget *widget = GTK_WIDGET( node->Data() );
 477     gtk_widget_set_style( widget, m_widgetStyle );
 478
 479     GtkButton *button = GTK_BUTTON( node->Data() );
 480     gtk_widget_set_style( button->child, m_widgetStyle );
 481
 482     node = node->Next();
 483   }
 484 }
 485
 486 bool wxRadioBox::IsOwnGtkWindow( GdkWindow *window )
 487 {
 488   if (window == m_widget->window) return TRUE;
 489
 490   wxNode *node = m_boxes.First();
 491   while (node)
 492   {
 493     GtkWidget *button = GTK_WIDGET( node->Data() );
 494
 495     if (window == button->window) return TRUE;
 496
 497     node = node->Next();
 498   }
 499
 500   return FALSE;
 501 }