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   m_parent->AddChild( this );
 163
 164   (m_parent->m_insertCallback)( m_parent, this );
 165
 166   PostCreation();
 167
 168   SetLabel( title );
 169
 170   SetBackgroundColour( parent->GetBackgroundColour() );
 171   SetForegroundColour( parent->GetForegroundColour() );
 172
 173   Show( TRUE );
 174
 175   return TRUE;
 176 }
 177
 178 wxRadioBox::~wxRadioBox(void)
 179 {
 180   wxNode *node = m_boxes.First();
 181   while (node)
 182   {
 183     GtkWidget *button = GTK_WIDGET( node->Data() );
 184     gtk_widget_destroy( button );
 185     node = node->Next();
 186   }
 187 }
 188
 189 void wxRadioBox::OnSize( wxSizeEvent &event )
 190 {
 191   wxControl::OnSize( event );
 192
 193   int x = m_x+5;
 194   int y = m_y+15;
 195
 196   if (m_windowStyle & wxRA_VERTICAL)
 197   {
 198     wxNode *node = m_boxes.First();
 199     while (node)
 200     {
 201       GtkWidget *button = GTK_WIDGET( node->Data() );
 202
 203       gtk_myfixed_move( GTK_MYFIXED(m_parent->m_wxwindow), button, x, y );
 204       y += 20;
 205
 206       int w = m_width-10;
 207       if (w < 15) w = 15;
 208       gtk_widget_set_usize( button, w, 20 );
 209
 210       node = node->Next();
 211     }
 212   }
 213   else
 214   {
 215     int max = 0;
 216
 217     wxNode *node = m_boxes.First();
 218     while (node)
 219     {
 220       GtkButton *button = GTK_BUTTON( node->Data() );
 221       GtkLabel *label = GTK_LABEL( button->child );
 222
 223       GdkFont *font = m_widget->style->font;
 224       int len = 27+gdk_string_measure( font, label->label );
 225       if (len > max) max = len;
 226
 227       node = node->Next();
 228     }
 229
 230     node = m_boxes.First();
 231     while (node)
 232     {
 233       GtkWidget *button = GTK_WIDGET( node->Data() );
 234
 235       gtk_myfixed_move( GTK_MYFIXED(m_parent->m_wxwindow), button, x, y );
 236       x += max;
 237       gtk_widget_set_usize( button, max, 20 );
 238
 239       node = node->Next();
 240     }
 241   }
 242 }
 243
 244 bool wxRadioBox::Show( bool show )
 245 {
 246   wxCHECK_MSG( m_widget != NULL, FALSE, "invalid radiobox" );
 247
 248   wxWindow::Show( show );
 249
 250   wxNode *node = m_boxes.First();
 251   while (node)
 252   {
 253     GtkWidget *button = GTK_WIDGET( node->Data() );
 254
 255     if (show) gtk_widget_show( button ); else gtk_widget_hide( button );
 256
 257     node = node->Next();
 258   }
 259
 260   return TRUE;
 261 }
 262
 263 int wxRadioBox::FindString( const wxString &s ) const
 264 {
 265   wxCHECK_MSG( m_widget != NULL, -1, "invalid radiobox" );
 266
 267   int count = 0;
 268
 269   wxNode *node = m_boxes.First();
 270   while (node)
 271   {
 272     GtkButton *button = GTK_BUTTON( node->Data() );
 273
 274     GtkLabel *label = GTK_LABEL( button->child );
 275     if (s == label->label) return count;
 276     count++;
 277
 278     node = node->Next();
 279   }
 280
 281   return -1;
 282 }
 283
 284 void wxRadioBox::SetSelection( int n )
 285 {
 286   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 287
 288   wxNode *node = m_boxes.Nth( n );
 289
 290   if (!node)
 291   {
 292     wxFAIL_MSG( "wxRadioBox wrong index" );
 293     return;
 294   }
 295
 296   GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 297
 298   gtk_toggle_button_set_state( button, 1 );
 299 }
 300
 301 int wxRadioBox::GetSelection(void) const
 302 {
 303   wxCHECK_MSG( m_widget != NULL, -1, "invalid radiobox" );
 304
 305   int count = 0;
 306
 307   wxNode *node = m_boxes.First();
 308   while (node)
 309   {
 310     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 311     if (button->active) return count;
 312     count++;
 313     node = node->Next();
 314   }
 315
 316   wxFAIL_MSG( "wxRadioBox none selected" );
 317
 318   return -1;
 319 }
 320
 321 wxString wxRadioBox::GetString( int n ) const
 322 {
 323   wxCHECK_MSG( m_widget != NULL, "", "invalid radiobox" );
 324
 325   wxNode *node = m_boxes.Nth( n );
 326
 327   if (!node)
 328   {
 329     wxFAIL_MSG( "wxRadioBox wrong index" );
 330     return "";
 331   }
 332
 333   GtkButton *button = GTK_BUTTON( node->Data() );
 334   GtkLabel *label = GTK_LABEL( button->child );
 335
 336   return wxString( label->label );
 337 }
 338
 339 wxString wxRadioBox::GetLabel( int item ) const
 340 {
 341   wxCHECK_MSG( m_widget != NULL, "", "invalid radiobox" );
 342
 343   return GetString( item );
 344 }
 345
 346 void wxRadioBox::SetLabel( const wxString& label )
 347 {
 348   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 349
 350   wxControl::SetLabel( label );
 351
 352   gtk_frame_set_label( GTK_FRAME(m_widget), wxControl::GetLabel() );
 353 }
 354
 355 void wxRadioBox::SetLabel( int item, const wxString& label )
 356 {
 357   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 358
 359   wxNode *node = m_boxes.Nth( item );
 360
 361   if (!node)
 362   {
 363     wxFAIL_MSG( "wxRadioBox wrong index" );
 364     return;
 365   }
 366
 367   GtkButton *button = GTK_BUTTON( node->Data() );
 368   GtkLabel *g_label = GTK_LABEL( button->child );
 369
 370   gtk_label_set( g_label, label );
 371 }
 372
 373 void wxRadioBox::SetLabel( int WXUNUSED(item), wxBitmap *WXUNUSED(bitmap) )
 374 {
 375   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 376 }
 377
 378 void wxRadioBox::Enable( bool enable )
 379 {
 380   wxControl::Enable( enable );
 381
 382   wxNode *node = m_boxes.First();
 383   while (node)
 384   {
 385     GtkButton *button = GTK_BUTTON( node->Data() );
 386     GtkWidget *label = button->child;
 387     gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 388     gtk_widget_set_sensitive( label, enable );
 389     node = node->Next();
 390   }
 391 }
 392
 393 void wxRadioBox::Enable( int item, bool enable )
 394 {
 395   wxNode *node = m_boxes.Nth( item );
 396
 397   if (!node)
 398   {
 399     wxFAIL_MSG( "wxRadioBox wrong index" );
 400     return;
 401   }
 402
 403   GtkButton *button = GTK_BUTTON( node->Data() );
 404   GtkWidget *label = button->child;
 405   gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 406   gtk_widget_set_sensitive( label, enable );
 407 }
 408
 409 void wxRadioBox::Show( int item, bool show )
 410 {
 411   wxNode *node = m_boxes.Nth( item );
 412
 413   if (!node)
 414   {
 415     wxFAIL_MSG( "wxRadioBox wrong index" );
 416     return;
 417   }
 418
 419   GtkWidget *button = GTK_WIDGET( node->Data() );
 420
 421   if (show)
 422     gtk_widget_show( button );
 423   else
 424     gtk_widget_hide( button );
 425 }
 426
 427 wxString wxRadioBox::GetStringSelection(void) const
 428 {
 429   wxNode *node = m_boxes.First();
 430   while (node)
 431   {
 432     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 433     if (button->active)
 434     {
 435       GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child );
 436       return label->label;
 437     }
 438     node = node->Next();
 439   }
 440
 441   wxFAIL_MSG( "wxRadioBox none selected" );
 442   return "";
 443 }
 444
 445 bool wxRadioBox::SetStringSelection( const wxString&s )
 446 {
 447   int res = FindString( s );
 448   if (res == -1) return FALSE;
 449   SetSelection( res );
 450   return TRUE;
 451 }
 452
 453 int wxRadioBox::Number(void) const
 454 {
 455   return m_boxes.Number();
 456 }
 457
 458 int wxRadioBox::GetNumberOfRowsOrCols(void) const
 459 {
 460   return 1;
 461 }
 462
 463 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
 464 {
 465   wxFAIL_MSG("wxRadioBox::SetNumberOfRowsOrCols not implemented.");
 466 }
 467
 468 void wxRadioBox::ApplyWidgetStyle()
 469 {
 470   SetWidgetStyle();
 471
 472   gtk_widget_set_style( m_widget, m_widgetStyle );
 473
 474   wxNode *node = m_boxes.First();
 475   while (node)
 476   {
 477     GtkWidget *widget = GTK_WIDGET( node->Data() );
 478     gtk_widget_set_style( widget, m_widgetStyle );
 479
 480     GtkButton *button = GTK_BUTTON( node->Data() );
 481     gtk_widget_set_style( button->child, m_widgetStyle );
 482
 483     node = node->Next();
 484   }
 485 }
 486
 487 bool wxRadioBox::IsOwnGtkWindow( GdkWindow *window )
 488 {
 489   if (window == m_widget->window) return TRUE;
 490
 491   wxNode *node = m_boxes.First();
 492   while (node)
 493   {
 494     GtkWidget *button = GTK_WIDGET( node->Data() );
 495
 496     if (window == button->window) return TRUE;
 497
 498     node = node->Next();
 499   }
 500
 501   return FALSE;
 502 }