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 = 22+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   PostCreation();
 163
 164   SetLabel( title );
 165
 166   SetBackgroundColour( parent->GetBackgroundColour() );
 167   SetForegroundColour( parent->GetForegroundColour() );
 168
 169   Show( TRUE );
 170
 171   return TRUE;
 172 }
 173
 174 wxRadioBox::~wxRadioBox(void)
 175 {
 176   wxNode *node = m_boxes.First();
 177   while (node)
 178   {
 179     GtkWidget *button = GTK_WIDGET( node->Data() );
 180     gtk_widget_destroy( button );
 181     node = node->Next();
 182   }
 183 }
 184
 185 void wxRadioBox::OnSize( wxSizeEvent &event )
 186 {
 187   wxControl::OnSize( event );
 188
 189   int x = m_x+5;
 190   int y = m_y+15;
 191
 192   if (m_windowStyle & wxRA_VERTICAL)
 193   {
 194     wxNode *node = m_boxes.First();
 195     while (node)
 196     {
 197       GtkWidget *button = GTK_WIDGET( node->Data() );
 198
 199       gtk_myfixed_move( GTK_MYFIXED(m_parent->m_wxwindow), button, x, y );
 200       y += 20;
 201
 202       int w = m_width-10;
 203       if (w < 15) w = 15;
 204       gtk_widget_set_usize( button, w, 20 );
 205
 206       node = node->Next();
 207     }
 208   }
 209   else
 210   {
 211     int max = 0;
 212
 213     wxNode *node = m_boxes.First();
 214     while (node)
 215     {
 216       GtkButton *button = GTK_BUTTON( node->Data() );
 217       GtkLabel *label = GTK_LABEL( button->child );
 218
 219       GdkFont *font = m_widget->style->font;
 220       int len = 27+gdk_string_measure( font, label->label );
 221       if (len > max) max = len;
 222
 223       node = node->Next();
 224     }
 225
 226     node = m_boxes.First();
 227     while (node)
 228     {
 229       GtkWidget *button = GTK_WIDGET( node->Data() );
 230
 231       gtk_myfixed_move( GTK_MYFIXED(m_parent->m_wxwindow), button, x, y );
 232       x += max;
 233       gtk_widget_set_usize( button, max, 20 );
 234
 235       node = node->Next();
 236     }
 237   }
 238 }
 239
 240 bool wxRadioBox::Show( bool show )
 241 {
 242   wxCHECK_MSG( m_widget != NULL, FALSE, "invalid radiobox" );
 243
 244   wxWindow::Show( show );
 245
 246   wxNode *node = m_boxes.First();
 247   while (node)
 248   {
 249     GtkWidget *button = GTK_WIDGET( node->Data() );
 250
 251     if (show) gtk_widget_show( button ); else gtk_widget_hide( button );
 252
 253     node = node->Next();
 254   }
 255
 256   return TRUE;
 257 }
 258
 259 int wxRadioBox::FindString( const wxString &s ) const
 260 {
 261   wxCHECK_MSG( m_widget != NULL, -1, "invalid radiobox" );
 262
 263   int count = 0;
 264
 265   wxNode *node = m_boxes.First();
 266   while (node)
 267   {
 268     GtkButton *button = GTK_BUTTON( node->Data() );
 269
 270     GtkLabel *label = GTK_LABEL( button->child );
 271     if (s == label->label) return count;
 272     count++;
 273
 274     node = node->Next();
 275   }
 276
 277   return -1;
 278 }
 279
 280 void wxRadioBox::SetSelection( int n )
 281 {
 282   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 283
 284   wxNode *node = m_boxes.Nth( n );
 285
 286   if (!node)
 287   {
 288     wxFAIL_MSG( "wxRadioBox wrong index" );
 289     return;
 290   }
 291
 292   GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 293
 294   gtk_toggle_button_set_state( button, 1 );
 295 }
 296
 297 int wxRadioBox::GetSelection(void) const
 298 {
 299   wxCHECK_MSG( m_widget != NULL, -1, "invalid radiobox" );
 300
 301   int count = 0;
 302
 303   wxNode *node = m_boxes.First();
 304   while (node)
 305   {
 306     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 307     if (button->active) return count;
 308     count++;
 309     node = node->Next();
 310   }
 311
 312   wxFAIL_MSG( "wxRadioBox none selected" );
 313
 314   return -1;
 315 }
 316
 317 wxString wxRadioBox::GetString( int n ) const
 318 {
 319   wxCHECK_MSG( m_widget != NULL, "", "invalid radiobox" );
 320
 321   wxNode *node = m_boxes.Nth( n );
 322
 323   if (!node)
 324   {
 325     wxFAIL_MSG( "wxRadioBox wrong index" );
 326     return "";
 327   }
 328
 329   GtkButton *button = GTK_BUTTON( node->Data() );
 330   GtkLabel *label = GTK_LABEL( button->child );
 331
 332   return wxString( label->label );
 333 }
 334
 335 wxString wxRadioBox::GetLabel( int item ) const
 336 {
 337   wxCHECK_MSG( m_widget != NULL, "", "invalid radiobox" );
 338
 339   return GetString( item );
 340 }
 341
 342 void wxRadioBox::SetLabel( const wxString& label )
 343 {
 344   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 345
 346   wxControl::SetLabel( label );
 347
 348   gtk_frame_set_label( GTK_FRAME(m_widget), wxControl::GetLabel() );
 349 }
 350
 351 void wxRadioBox::SetLabel( int item, const wxString& label )
 352 {
 353   wxCHECK_RET( m_widget != NULL, "invalid radiobox" );
 354
 355   wxNode *node = m_boxes.Nth( item );
 356
 357   if (!node)
 358   {
 359     wxFAIL_MSG( "wxRadioBox wrong index" );
 360     return;
 361   }
 362
 363   GtkButton *button = GTK_BUTTON( node->Data() );
 364   GtkLabel *g_label = GTK_LABEL( button->child );
 365
 366   gtk_label_set( g_label, label );
 367 }
 368
 369 void wxRadioBox::SetLabel( int WXUNUSED(item), wxBitmap *WXUNUSED(bitmap) )
 370 {
 371   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 372 }
 373
 374 void wxRadioBox::Enable( bool enable )
 375 {
 376   wxControl::Enable( enable );
 377
 378   wxNode *node = m_boxes.First();
 379   while (node)
 380   {
 381     GtkButton *button = GTK_BUTTON( node->Data() );
 382     GtkWidget *label = button->child;
 383     gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 384     gtk_widget_set_sensitive( label, enable );
 385     node = node->Next();
 386   }
 387 }
 388
 389 void wxRadioBox::Enable( int item, bool enable )
 390 {
 391   wxNode *node = m_boxes.Nth( item );
 392
 393   if (!node)
 394   {
 395     wxFAIL_MSG( "wxRadioBox wrong index" );
 396     return;
 397   }
 398
 399   GtkButton *button = GTK_BUTTON( node->Data() );
 400   GtkWidget *label = button->child;
 401   gtk_widget_set_sensitive( GTK_WIDGET(button), enable );
 402   gtk_widget_set_sensitive( label, enable );
 403 }
 404
 405 void wxRadioBox::Show( int item, bool show )
 406 {
 407   wxNode *node = m_boxes.Nth( item );
 408
 409   if (!node)
 410   {
 411     wxFAIL_MSG( "wxRadioBox wrong index" );
 412     return;
 413   }
 414
 415   GtkWidget *button = GTK_WIDGET( node->Data() );
 416
 417   if (show)
 418     gtk_widget_show( button );
 419   else
 420     gtk_widget_hide( button );
 421 }
 422
 423 wxString wxRadioBox::GetStringSelection(void) const
 424 {
 425   wxNode *node = m_boxes.First();
 426   while (node)
 427   {
 428     GtkToggleButton *button = GTK_TOGGLE_BUTTON( node->Data() );
 429     if (button->active)
 430     {
 431       GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child );
 432       return label->label;
 433     }
 434     node = node->Next();
 435   }
 436
 437   wxFAIL_MSG( "wxRadioBox none selected" );
 438   return "";
 439 }
 440
 441 bool wxRadioBox::SetStringSelection( const wxString&s )
 442 {
 443   int res = FindString( s );
 444   if (res == -1) return FALSE;
 445   SetSelection( res );
 446   return TRUE;
 447 }
 448
 449 int wxRadioBox::Number(void) const
 450 {
 451   return m_boxes.Number();
 452 }
 453
 454 int wxRadioBox::GetNumberOfRowsOrCols(void) const
 455 {
 456   return 1;
 457 }
 458
 459 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
 460 {
 461   wxFAIL_MSG("wxRadioBox::SetNumberOfRowsOrCols not implemented.");
 462 }
 463
 464 void wxRadioBox::ApplyWidgetStyle()
 465 {
 466   SetWidgetStyle();
 467
 468   gtk_widget_set_style( m_widget, m_widgetStyle );
 469
 470   wxNode *node = m_boxes.First();
 471   while (node)
 472   {
 473     GtkWidget *widget = GTK_WIDGET( node->Data() );
 474     gtk_widget_set_style( widget, m_widgetStyle );
 475
 476     GtkButton *button = GTK_BUTTON( node->Data() );
 477     gtk_widget_set_style( button->child, m_widgetStyle );
 478
 479     node = node->Next();
 480   }
 481 }
 482
 483 bool wxRadioBox::IsOwnGtkWindow( GdkWindow *window )
 484 {
 485   if (window == m_widget->window) return TRUE;
 486
 487   wxNode *node = m_boxes.First();
 488   while (node)
 489   {
 490     GtkWidget *button = GTK_WIDGET( node->Data() );
 491
 492     if (window == button->window) return TRUE;
 493
 494     node = node->Next();
 495   }
 496
 497   return FALSE;
 498 }