src/gtk/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   if (!item) return;
 181
 182   GtkToggleButton *button = GTK_TOGGLE_BUTTON( item->data );
 183
 184   gtk_toggle_button_set_state( button, 1 );
 185 }
 186
 187 int wxRadioBox::GetSelection(void) const
 188 {
 189   GSList *item = gtk_radio_button_group( m_radio );
 190   int count = 0;
 191   int found = -1;
 192   while (item)
 193   {
 194     GtkButton *button = GTK_BUTTON( item->data );
 195     if (GTK_TOGGLE_BUTTON(button)->active) found = count;
 196     count++;
 197     item = item->next;
 198   }
 199
 200   return found != -1 ? count-found-1 : -1;
 201 }
 202
 203 wxString wxRadioBox::GetString( int n ) const
 204 {
 205   GSList *item = gtk_radio_button_group( m_radio );
 206
 207   item = g_slist_nth( item, g_slist_length(item)-n-1 );
 208   if (!item) return "";
 209
 210   GtkToggleButton *button = GTK_TOGGLE_BUTTON( item->data );
 211
 212   GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child );
 213
 214   return wxString( label->label );
 215 }
 216
 217 wxString wxRadioBox::GetLabel(void) const
 218 {
 219   return wxControl::GetLabel();
 220 }
 221
 222 void wxRadioBox::SetLabel( const wxString& WXUNUSED(label) )
 223 {
 224   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 225 }
 226
 227 void wxRadioBox::SetLabel( int WXUNUSED(item), const wxString& WXUNUSED(label) )
 228 {
 229   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 230 }
 231
 232 void wxRadioBox::SetLabel( int WXUNUSED(item), wxBitmap *WXUNUSED(bitmap) )
 233 {
 234   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 235 }
 236
 237 wxString wxRadioBox::GetLabel( int WXUNUSED(item) ) const
 238 {
 239   wxFAIL_MSG("wxRadioBox::GetLabel not implemented.");
 240   return "";
 241 }
 242
 243 void wxRadioBox::Enable( bool WXUNUSED(enable) )
 244 {
 245   wxFAIL_MSG("wxRadioBox::Enable not implemented.");
 246 }
 247
 248 void wxRadioBox::Enable( int WXUNUSED(item), bool WXUNUSED(enable) )
 249 {
 250   wxFAIL_MSG("wxRadioBox::Enable not implemented.");
 251 }
 252
 253 void wxRadioBox::Show( int WXUNUSED(item), bool WXUNUSED(show) )
 254 {
 255   wxFAIL_MSG("wxRadioBox::Show not implemented.");
 256 }
 257
 258 wxString wxRadioBox::GetStringSelection(void) const
 259 {
 260   GSList *item = gtk_radio_button_group( m_radio );
 261   while (item)
 262   {
 263     GtkButton *button = GTK_BUTTON( item->data );
 264     if (GTK_TOGGLE_BUTTON(button)->active)
 265     {
 266       GtkLabel *label = GTK_LABEL( button->child );
 267       return label->label;
 268     }
 269     item = item->next;
 270   }
 271   return "";
 272 }
 273
 274 bool wxRadioBox::SetStringSelection( const wxString&s )
 275 {
 276   int res = FindString( s );
 277   if (res == -1) return FALSE;
 278   SetSelection( res );
 279   return TRUE;
 280 }
 281
 282 int wxRadioBox::Number(void) const
 283 {
 284   int count = 0;
 285   GSList *item = gtk_radio_button_group( m_radio );
 286   while (item)
 287   {
 288     item = item->next;
 289     count++;
 290   }
 291   return count;
 292 }
 293
 294 int wxRadioBox::GetNumberOfRowsOrCols(void) const
 295 {
 296   return 1;
 297 }
 298
 299 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
 300 {
 301   wxFAIL_MSG("wxRadioBox::SetNumberOfRowsOrCols not implemented.");
 302 }
 303
 304 void wxRadioBox::SetFont( const wxFont &font )
 305 {
 306   wxWindow::SetFont( font );
 307
 308   GSList *item = gtk_radio_button_group( m_radio );
 309   while (item)
 310   {
 311     GtkButton *button = GTK_BUTTON( item->data );
 312
 313     gtk_widget_set_style( button->child,
 314       gtk_style_ref(
 315         gtk_widget_get_style( m_widget ) ) );
 316
 317     item = item->next;
 318   }
 319 }