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 wxRadioBox::wxRadioBox(void)
  57 {
  58 }
  59
  60 bool wxRadioBox::Create( wxWindow *parent, wxWindowID id, const wxString& title,
  61       const wxPoint &pos, const wxSize &size,
  62       int n, const wxString choices[], int WXUNUSED(majorDim),
  63       long style, const wxValidator& validator, const wxString &name )
  64 {
  65   m_alreadySent = FALSE;
  66   m_needParent = TRUE;
  67
  68   PreCreation( parent, id, pos, size, style, name );
  69
  70   SetValidator( validator );
  71
  72   m_widget = gtk_frame_new( title );
  73
  74   int x = m_x+5;
  75   int y = m_y+15;
  76   int maxLen = 0;
  77   int height = 20;
  78
  79 //  if (((m_style & wxRA_VERTICAL) == wxRA_VERTICAL) && (n > 0))
  80   if (n > 0)
  81   {
  82     GSList *radio_button_group = (GSList *) NULL;
  83     for (int i = 0; i < n; i++)
  84     {
  85       if (i) radio_button_group = gtk_radio_button_group( GTK_RADIO_BUTTON(m_radio) );
  86
  87       m_radio = GTK_RADIO_BUTTON( gtk_radio_button_new_with_label( radio_button_group, choices[i] ) );
  88
  89       if (!i) gtk_toggle_button_set_state( GTK_TOGGLE_BUTTON(m_radio), TRUE );
  90
  91       gtk_signal_connect( GTK_OBJECT(m_radio), "clicked",
  92         GTK_SIGNAL_FUNC(gtk_radiobutton_clicked_callback), (gpointer*)this );
  93
  94       gtk_myfixed_put( GTK_MYFIXED(m_parent->m_wxwindow), GTK_WIDGET(m_radio), x, y );
  95
  96       int tmp = 22+gdk_string_measure( GTK_WIDGET(m_radio)->style->font, choices[i] );
  97       if (tmp > maxLen) maxLen = tmp;
  98
  99       int width = m_width-10;
 100       if (size.x == -1) width = tmp;
 101       gtk_widget_set_usize( GTK_WIDGET(m_radio), width, 20 );
 102
 103       y += 20;
 104       height += 20;
 105
 106     }
 107   }
 108
 109   wxSize newSize = size;
 110   if (newSize.x == -1) newSize.x = maxLen+10;
 111   if (newSize.y == -1) newSize.y = height;
 112   SetSize( newSize.x, newSize.y );
 113
 114   PostCreation();
 115
 116   Show( TRUE );
 117
 118   return TRUE;
 119 }
 120
 121 bool wxRadioBox::Show( bool show )
 122 {
 123   wxWindow::Show( show );
 124
 125   GSList *item = gtk_radio_button_group( m_radio );
 126   while (item)
 127   {
 128     GtkWidget *w = GTK_WIDGET( item->data );
 129     if (show) gtk_widget_show( w ); else gtk_widget_hide( w );
 130     item = item->next;
 131   }
 132
 133   return TRUE;
 134 }
 135
 136 int wxRadioBox::FindString( const wxString &s ) const
 137 {
 138   GSList *item = gtk_radio_button_group( m_radio );
 139
 140   int count = g_slist_length(item)-1;
 141
 142   while (item)
 143   {
 144     GtkButton *b = GTK_BUTTON( item->data );
 145     GtkLabel *l = GTK_LABEL( b->child );
 146     if (s == l->label) return count;
 147     count--;
 148     item = item->next;
 149   }
 150
 151   return -1;
 152 }
 153
 154 void wxRadioBox::SetSelection( int n )
 155 {
 156   GSList *item = gtk_radio_button_group( m_radio );
 157   item = g_slist_nth( item, g_slist_length(item)-n-1 );
 158   if (!item) return;
 159
 160   GtkToggleButton *button = GTK_TOGGLE_BUTTON( item->data );
 161
 162   gtk_toggle_button_set_state( button, 1 );
 163 }
 164
 165 int wxRadioBox::GetSelection(void) const
 166 {
 167   GSList *item = gtk_radio_button_group( m_radio );
 168   int count = 0;
 169   int found = -1;
 170   while (item)
 171   {
 172     GtkButton *button = GTK_BUTTON( item->data );
 173     if (GTK_TOGGLE_BUTTON(button)->active) found = count;
 174     count++;
 175     item = item->next;
 176   }
 177
 178   return found != -1 ? count-found-1 : -1;
 179 }
 180
 181 wxString wxRadioBox::GetString( int n ) const
 182 {
 183   GSList *item = gtk_radio_button_group( m_radio );
 184
 185   item = g_slist_nth( item, g_slist_length(item)-n-1 );
 186   if (!item) return "";
 187
 188   GtkToggleButton *button = GTK_TOGGLE_BUTTON( item->data );
 189
 190   GtkLabel *label = GTK_LABEL( GTK_BUTTON(button)->child );
 191
 192   return wxString( label->label );
 193 }
 194
 195 wxString wxRadioBox::GetLabel(void) const
 196 {
 197   return wxControl::GetLabel();
 198 }
 199
 200 void wxRadioBox::SetLabel( const wxString& WXUNUSED(label) )
 201 {
 202   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 203 }
 204
 205 void wxRadioBox::SetLabel( int WXUNUSED(item), const wxString& WXUNUSED(label) )
 206 {
 207   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 208 }
 209
 210 void wxRadioBox::SetLabel( int WXUNUSED(item), wxBitmap *WXUNUSED(bitmap) )
 211 {
 212   wxFAIL_MSG("wxRadioBox::SetLabel not implemented.");
 213 }
 214
 215 wxString wxRadioBox::GetLabel( int WXUNUSED(item) ) const
 216 {
 217   wxFAIL_MSG("wxRadioBox::GetLabel not implemented.");
 218   return "";
 219 }
 220
 221 void wxRadioBox::Enable( bool WXUNUSED(enable) )
 222 {
 223   wxFAIL_MSG("wxRadioBox::Enable not implemented.");
 224 }
 225
 226 void wxRadioBox::Enable( int WXUNUSED(item), bool WXUNUSED(enable) )
 227 {
 228   wxFAIL_MSG("wxRadioBox::Enable not implemented.");
 229 }
 230
 231 void wxRadioBox::Show( int WXUNUSED(item), bool WXUNUSED(show) )
 232 {
 233   wxFAIL_MSG("wxRadioBox::Show not implemented.");
 234 }
 235
 236 wxString wxRadioBox::GetStringSelection(void) const
 237 {
 238   GSList *item = gtk_radio_button_group( m_radio );
 239   while (item)
 240   {
 241     GtkButton *button = GTK_BUTTON( item->data );
 242     if (GTK_TOGGLE_BUTTON(button)->active)
 243     {
 244       GtkLabel *label = GTK_LABEL( button->child );
 245       return label->label;
 246     }
 247     item = item->next;
 248   }
 249   return "";
 250 }
 251
 252 bool wxRadioBox::SetStringSelection( const wxString&s )
 253 {
 254   int res = FindString( s );
 255   if (res == -1) return FALSE;
 256   SetSelection( res );
 257   return TRUE;
 258 }
 259
 260 int wxRadioBox::Number(void) const
 261 {
 262   int count = 0;
 263   GSList *item = gtk_radio_button_group( m_radio );
 264   while (item)
 265   {
 266     item = item->next;
 267     count++;
 268   }
 269   return count;
 270 }
 271
 272 int wxRadioBox::GetNumberOfRowsOrCols(void) const
 273 {
 274   return 1;
 275 }
 276
 277 void wxRadioBox::SetNumberOfRowsOrCols( int WXUNUSED(n) )
 278 {
 279   wxFAIL_MSG("wxRadioBox::SetNumberOfRowsOrCols not implemented.");
 280 }
 281
 282 void wxRadioBox::SetFont( const wxFont &font )
 283 {
 284   wxWindow::SetFont( font );
 285
 286   GSList *item = gtk_radio_button_group( m_radio );
 287   while (item)
 288   {
 289     GtkButton *button = GTK_BUTTON( item->data );
 290
 291     gtk_widget_set_style( button->child,
 292       gtk_style_ref(
 293         gtk_widget_get_style( m_widget ) ) );
 294
 295     item = item->next;
 296   }
 297 }